+++ /dev/null
-/*
- * libmedia-thumbnail
- *
- * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
- *
- * Contact: Hyunjun Ko <zzoon.ko@samsung.com>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-#include "media-thumb-debug.h"
-#include "img-codec-common.h"
-#include "IfegDecodeAGIF.h"
-
-
-
-#define MAX_CODES 4096
-
-int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAlign);
-int __FastImgGetNextFrameAGIF_UseBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAlign);
-
-int image_left_pos_N = 0; /* left position of image in Logical screeen */
-int image_top_pos_N = 0;
-
-AGifFrameInfo *FastImgCreateAGIFFrameData(unsigned int width, unsigned int height, unsigned char *pEncodedData, unsigned int file_size, unsigned int ui_backcolor, BOOL bLoop)
-{
- unsigned int header_temp;
- int backcolor_index;
- unsigned int image_backcolor;
- unsigned int backcolor_parsing;
- int transparent = 0;
- int transIndex = 0;
- int inputPos = 0;
-
- AGifFrameInfo *pFrameData;
- if (0 == (pFrameData = IfegMemAlloc(sizeof(AGifFrameInfo)))) {
- return 0;
- }
-
- IfegMemset(pFrameData, 0, sizeof(AGifFrameInfo));
-
- inputPos += 13;
-
- pFrameData->logi_wdt = pEncodedData[6] | (pEncodedData[7]<<8);
- pFrameData->logi_hgt = pEncodedData[8] | (pEncodedData[9]<<8);
-#ifdef INTERNAL_IMGCODEC
- thumb_dbg("logi_wdt:%d, logi_hgt:%d", pFrameData->logi_wdt, pFrameData->logi_hgt);
-#else
- thumb_dbg("logi_wdt:%d, logi_hgt:%d", pFrameData->logi_wdt, pFrameData->logi_hgt);
- if ((pFrameData->logi_wdt > MAXWIDTH) || (pFrameData->logi_hgt > MAXHEIGHT)) {
- if (pFrameData) {
- IfegMemFree(pFrameData);
- pFrameData = 0;
- }
- return 0;
- }
-#endif
-
- /* save nReapeatCount assigned by content */
-
- if ((pEncodedData[10]&0x80) == 0x80) {
- header_temp = 3 * (1<<((pEncodedData[10] & 0x07) + 1));
- } else {
- header_temp = 0;
- }
-
- if (file_size > 30+header_temp && pEncodedData[14+header_temp] == 0xFF) {
- pFrameData->nLoopCount = pEncodedData[30+header_temp]<<8 | pEncodedData[29+header_temp];
- } else if (file_size > 30+8+header_temp && pEncodedData[14+8+header_temp] == 0xFF) {
- pFrameData->nLoopCount = pEncodedData[30+8+header_temp]<<8 | pEncodedData[29+8+header_temp];
- } else {
- pFrameData->nLoopCount = -1;
- }
-
- pFrameData->nRepeatCount = 0;
-
- thumb_dbg("10st data : 0x%x , global color table num : %d", pEncodedData[10], header_temp);
- thumb_dbg("13: 0x%x ,14: 0x%x, 15: 0x%x, nRepeatCount : %d, nLoopCount : %d", pEncodedData[13+header_temp], pEncodedData[14+header_temp], pEncodedData[15+header_temp], pFrameData->nRepeatCount, pFrameData->nLoopCount);
-
- backcolor_index = pEncodedData[11];
-
- if (pEncodedData[14+header_temp] == 0xF9) {
- transparent = pEncodedData[16+header_temp] & 0x01;
- transIndex = pEncodedData[19+header_temp];
-
- backcolor_parsing = (unsigned short)((pEncodedData[inputPos+backcolor_index*3] >> 3)<<11) | ((pEncodedData[inputPos+backcolor_index*3+1] >> 2)<<5) | (pEncodedData[inputPos+backcolor_index*3+2] >> 3);
- } else if (pEncodedData[14+19+header_temp] == 0xF9) {
- transparent = pEncodedData[35+header_temp] & 0x01;
- transIndex = pEncodedData[38+header_temp];
-
- backcolor_parsing = (unsigned short)((pEncodedData[inputPos+backcolor_index*3] >> 3)<<11) | ((pEncodedData[inputPos+backcolor_index*3+1] >> 2)<<5) | (pEncodedData[inputPos+backcolor_index*3+2] >> 3);
- } else if ((pEncodedData[10]&0x80) != 0x80) { /* global color table */
- backcolor_parsing = ui_backcolor;
- } else {
- backcolor_parsing = (unsigned short)((pEncodedData[inputPos+backcolor_index*3] >> 3)<<11) | ((pEncodedData[inputPos+backcolor_index*3+1] >> 2)<<5) | (pEncodedData[inputPos+backcolor_index*3+2] >> 3);
- }
-
- /* graphic extension block */
- if (pEncodedData[14+header_temp] == 0xF9 || pEncodedData[14+19+header_temp] == 0xF9) {
-
- if (transparent == 1 && backcolor_index == transIndex) {
- image_backcolor = ui_backcolor;
- } else {
- image_backcolor = backcolor_parsing;
- }
- } else {
- image_backcolor = backcolor_parsing;
- }
-
-#if MODE == 0
- if (0 == (pFrameData->pPrevImg = IfegMemAlloc(sizeof(unsigned char)*width*height*2))) {
- if (pFrameData) {
- IfegMemFree(pFrameData);
- pFrameData = 0;
- }
- return 0;
- }
- pFrameData->useBuffer = 0;
-#endif
-
-#if MODE == 1
- if (0 == (pFrameData->pPrevImg = IfegMemAlloc(sizeof(unsigned int)*pFrameData->logi_wdt*pFrameData->logi_hgt))) {
- if (pFrameData) {
- IfegMemFree(pFrameData);
- pFrameData = 0;
- }
- return 0;
- }
- pFrameData->useBuffer = 1;
-#endif
-
-
-#if MODE == 2
- if (((pFrameData->logi_wdt <= width) && (pFrameData->logi_hgt <= height))) {
- if (0 == (pFrameData->pPrevImg = IfegMemAlloc(sizeof(unsigned char)*width*height*2))) {
- if (pFrameData) {
- IfegMemFree(pFrameData);
- pFrameData = 0;
- }
- return 0;
- }
- pFrameData->useBuffer = 0;
- } else {
- if (0 == (pFrameData->pPrevImg = IfegMemAlloc(sizeof(unsigned int)*pFrameData->logi_wdt*pFrameData->logi_hgt))) {
- if (pFrameData) {
- IfegMemFree(pFrameData);
- pFrameData = 0;
- }
- return 0;
- }
- pFrameData->useBuffer = 1;
- }
-#endif
-
- if (0 == (pFrameData->pOutBits = IfegMemAlloc(sizeof(unsigned char)*width*height*2))) {
- if (pFrameData->pPrevImg) {
- IfegMemFree(pFrameData->pPrevImg);
- pFrameData->pPrevImg = 0;
- }
- if (pFrameData) {
- IfegMemFree(pFrameData);
- pFrameData = 0;
- }
- return 0;
- }
-
- pFrameData->inputSize = file_size;
- pFrameData->pEncodedData = pEncodedData;
-
- if (0 == (pFrameData->pGlobal_table = IfegMemAlloc(sizeof(unsigned int)*256))) {
- if (pFrameData->pPrevImg) {
- IfegMemFree(pFrameData->pPrevImg);
- pFrameData->pPrevImg = 0;
- }
-
- if (pFrameData->pOutBits) {
- IfegMemFree(pFrameData->pOutBits);
- pFrameData->pOutBits = 0;
- }
-
- if (pFrameData) {
- IfegMemFree(pFrameData);
- pFrameData = 0;
- }
- return 0;
- }
-
- if (0 == (pFrameData->pPrefix = IfegMemAlloc(sizeof(unsigned short)*4097))) {
- if (pFrameData->pPrevImg) {
- IfegMemFree(pFrameData->pPrevImg);
- pFrameData->pPrevImg = 0;
- }
- if (pFrameData->pOutBits) {
- IfegMemFree(pFrameData->pOutBits);
- pFrameData->pOutBits = 0;
- }
- if (pFrameData->pGlobal_table) {
- IfegMemFree(pFrameData->pGlobal_table);
- pFrameData->pGlobal_table = 0;
- }
- if (pFrameData) {
- IfegMemFree(pFrameData);
- pFrameData = 0;
- }
- return 0;
- }
-
- if (0 == (pFrameData->pDstack = IfegMemAlloc(sizeof(unsigned char)*4097))) {
- if (pFrameData->pPrevImg) {
- IfegMemFree(pFrameData->pPrevImg);
- pFrameData->pPrevImg = 0;
- }
- if (pFrameData->pOutBits) {
- IfegMemFree(pFrameData->pOutBits);
- pFrameData->pOutBits = 0;
- }
- if (pFrameData->pGlobal_table) {
- IfegMemFree(pFrameData->pGlobal_table);
- pFrameData->pGlobal_table = 0;
- }
- if (pFrameData->pPrefix) {
- IfegMemFree(pFrameData->pPrefix);
- pFrameData->pPrefix = 0;
- }
- if (pFrameData) {
- IfegMemFree(pFrameData);
- pFrameData = 0;
- }
- return 0;
- }
-
- if (0 == (pFrameData->pSuffix = IfegMemAlloc(sizeof(unsigned char)*4097))) {
- if (pFrameData->pPrevImg) {
- IfegMemFree(pFrameData->pPrevImg);
- pFrameData->pPrevImg = 0;
- }
- if (pFrameData->pOutBits) {
- IfegMemFree(pFrameData->pOutBits);
- pFrameData->pOutBits = 0;
- }
- if (pFrameData->pGlobal_table) {
- IfegMemFree(pFrameData->pGlobal_table);
- pFrameData->pGlobal_table = 0;
- }
- if (pFrameData->pPrefix) {
- IfegMemFree(pFrameData->pPrefix);
- pFrameData->pPrefix = 0;
- }
- if (pFrameData->pDstack) {
- IfegMemFree(pFrameData->pDstack);
- pFrameData->pDstack = 0;
- }
- if (pFrameData) {
- IfegMemFree(pFrameData);
- pFrameData = 0;
- }
- return 0;
- }
-
- pFrameData->width = width;
- pFrameData->height = height;
- pFrameData->imgCount = -1;
- pFrameData->offset = 0;
- pFrameData->backcolor = image_backcolor;
- pFrameData->ui_backcolor = ui_backcolor;
- pFrameData->delay = 10;
- pFrameData->bLoop = bLoop;
- return pFrameData;
-}
-
-void FastImgDestroyAGIFFrameData(AGifFrameInfo *pFrameData)
-{
- if (pFrameData == NULL) {
- return;
- }
-
- if (pFrameData->pPrevImg) {
- IfegMemFree(pFrameData->pPrevImg);
- pFrameData->pPrevImg = 0;
- }
-
- if (pFrameData->pEncodedData) {
- IfegMemFree(pFrameData->pEncodedData);
- pFrameData->pEncodedData = 0;
- }
- if (pFrameData->pOutBits) {
- IfegMemFree(pFrameData->pOutBits);
- pFrameData->pOutBits = 0;
- }
-
- if (pFrameData->pGlobal_table) {
- IfegMemFree(pFrameData->pGlobal_table);
- pFrameData->pGlobal_table = 0;
- }
-
- if (pFrameData->pPrefix) {
- IfegMemFree(pFrameData->pPrefix);
- pFrameData->pPrefix = 0;
- }
-
- if (pFrameData->pDstack) {
- IfegMemFree(pFrameData->pDstack);
- pFrameData->pDstack = 0;
- }
-
- if (pFrameData->pSuffix) {
- IfegMemFree(pFrameData->pSuffix);
- pFrameData->pSuffix = 0;
- }
-
- if (pFrameData) {
- IfegMemFree(pFrameData);
- pFrameData = 0;
- }
-}
-
-/* macro */
-#define __get_next_code_first_nbits_left_0(pInputStream) \
-{\
- {\
- if (navail_bytes == 0) {\
- navail_bytes = (pInputStream)[inputPos++];\
- if ((inputPos + navail_bytes) > filesize) {\
- if (decoderline) {\
- IfegMemFree(decoderline);\
- decoderline = 0;\
- } \
- if (pDecBuf) {\
- IfegMemFree(pDecBuf);\
- pDecBuf = 0;\
- } \
- return -1;\
- } \
- } \
- b1 = (pInputStream)[inputPos++];\
- ret = b1;\
- nbits_left = 8;\
- --navail_bytes;\
- } \
-}
-
-#define __get_next_code_first_nbits_left_0_nobuffer(pInputStream) \
-{\
- {\
- if (navail_bytes == 0) {\
- navail_bytes = (pInputStream)[inputPos++];\
- if ((inputPos + navail_bytes) > filesize) {\
- if (decoderline) {\
- IfegMemFree(decoderline);\
- decoderline = 0;\
- } \
- if (pDecBuf) {\
- IfegMemFree(pDecBuf);\
- pDecBuf = 0;\
- } \
- if (done_prefix) {\
- IfegMemFree(done_prefix);\
- done_prefix = 0;\
- } \
- return -1;\
- } \
- } \
- b1 = (pInputStream)[inputPos++];\
- ret = b1;\
- nbits_left = 8;\
- --navail_bytes;\
- } \
-}
-
-#define __get_next_code_first_nbits_left_not_0(pInputStream) \
-{\
- {\
- ret = b1 >> (8 - nbits_left); \
- } \
-}
-
-#define __get_next_code_first_while(pInputStream) \
-{\
- while (curr_size > nbits_left) {\
- if (navail_bytes == 0) {\
- navail_bytes = (pInputStream)[inputPos++];\
- if ((inputPos + navail_bytes) > filesize) {\
- if (decoderline) {\
- IfegMemFree(decoderline);\
- decoderline = 0;\
- } \
- if (pDecBuf) {\
- IfegMemFree(pDecBuf);\
- pDecBuf = 0;\
- } \
- return -1;\
- } \
- } \
- b1 = (pInputStream)[inputPos++];\
- ret |= b1 << nbits_left;\
- nbits_left += 8;\
- --navail_bytes;\
- } \
- nbits_left -= curr_size;\
- ret &= (1<<curr_size)-1;\
- c = ret;\
-}
-
-#define __get_next_code_first_while_nobuffer(pInputStream) \
-{\
- while (curr_size > nbits_left) {\
- if (navail_bytes == 0) {\
- navail_bytes = (pInputStream)[inputPos++];\
- if ((inputPos + navail_bytes) > filesize) {\
- if (decoderline) {\
- IfegMemFree(decoderline);\
- decoderline = 0;\
- } \
- if (pDecBuf) {\
- IfegMemFree(pDecBuf);\
- pDecBuf = 0;\
- } \
- if (done_prefix) {\
- IfegMemFree(done_prefix);\
- done_prefix = 0;\
- } \
- return -1;\
- } \
- } \
- b1 = (pInputStream)[inputPos++];\
- ret |= b1 << nbits_left;\
- nbits_left += 8;\
- --navail_bytes;\
- } \
- nbits_left -= curr_size;\
- ret &= (1<<curr_size)-1;\
- c = ret;\
-}
-
-#define __get_next_code_second_nbits_left_0(pInputStream) \
-{\
- {\
- b1 = (pInputStream)[inputPos++];\
- ret = b1;\
- nbits_left = 8;\
- --navail_bytes;\
- } \
-}
-
-#define __get_next_code_second_nbits_left_not_0(pInputStream) \
-{\
- {\
- ret = b1 >> (8 - nbits_left);\
- } \
-}
-
-#define __get_next_code_second_while(pInputStream) \
-{\
- while (curr_size > nbits_left) {\
- b1 = (pInputStream)[inputPos++];\
- ret |= b1 << nbits_left;\
- nbits_left += 8;\
- --navail_bytes;\
- } \
- nbits_left -= curr_size;\
- ret &= (1 << curr_size)-1;\
- c = ret;\
-}
-
-int FastImgGetNextFrameAGIF(AGifFrameInfo *pFrameData, BOOL bCenterAlign)
-{
- if (pFrameData->useBuffer) {
- return __FastImgGetNextFrameAGIF_UseBuffer(pFrameData, bCenterAlign);
- } else {
- return __FastImgGetNextFrameAGIF_NoBuffer(pFrameData, bCenterAlign);
- }
-}
-
-int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAlign)
-{
- unsigned int *pImage32, *pImage32_2;
- unsigned short *pImage16;
- unsigned char *sp;
- unsigned char *bufptr;
- unsigned int code, fc, oc, bufcnt;
- unsigned char buffer[16];
- unsigned char val1;
- unsigned char *buf;
- unsigned int *pDacbox;
- unsigned char *decoderline = 0;
- unsigned int size;
-
- unsigned int c = 0;
- unsigned int clear;
- unsigned int ending;
- unsigned int newcodes;
- unsigned int top_slot;
- unsigned int slot;
-
- int numcolors;
- int i, j, k;
- int rowcount;
- int orgwdt_1, orgwdt, orghgt;
- int decwdt, dechgt;
- int len;
- int inter_step, interLaced;
- int transparent = 0;
- int startloc = 0;
- int transIndex = 0;
- int spCount = 0;
- int logi_wdt; /* logical screen width */
- int logi_hgt;
- int image_backcolor;
- int ui_backcolor;
- int backcolor;
- int image_left_pos; /* left position of image in Logical screeen */
- int image_top_pos;
- int disposal_method = 0;
- int margin_wdt1_2, margin_hgt1_2;
- int inputPos;
-
- unsigned int dacbox[256];
-
- /* Variable for Resize */
- unsigned int a_x, a_y;
- unsigned int b_x, b_y;
- unsigned int c_x, c_y;
- unsigned int d_x, d_y;
- int out_x = 0, out_y = 0;
- int d1, d2;
- int flag = 0;
- unsigned int end;
-
- unsigned char *pDecBuf = 0;
-
- int expected_width = pFrameData->width;
- int expected_height = pFrameData->height;
- int resized_width;
- int resized_height;
-
- /* macro */
- register unsigned int curr_size;
- register int navail_bytes = 0;
- register unsigned int nbits_left = 0;
- register unsigned int b1 = 0;
- register unsigned int ret;
-
- /* parameter */
- int filesize = pFrameData->inputSize;
- unsigned int *global_dacbox = pFrameData->pGlobal_table;
- register unsigned char *pInputStream = pFrameData->pEncodedData;
- void *pOutBits = pFrameData->pOutBits;
- unsigned short *prefix = pFrameData->pPrefix;
- unsigned char *dstack = pFrameData->pDstack;
- unsigned char *suffix = pFrameData->pSuffix;
- unsigned char *done_prefix = 0;
-
- inputPos = pFrameData->offset;
-
- done_prefix = IfegMemAlloc(sizeof(unsigned char)*(MAX_CODES+1));
- if (done_prefix == 0) {
- thumb_err("Failed to allocate memory for check buffer.");
- return -1;
- }
- IfegMemset(prefix, 0, sizeof(unsigned short)*(MAX_CODES+1));
- IfegMemset(dstack, 0, sizeof(unsigned char)*(MAX_CODES+1));
- IfegMemset(suffix, 0, sizeof(unsigned char)*(MAX_CODES+1));
-
- image_backcolor = pFrameData->backcolor;
- ui_backcolor = pFrameData->ui_backcolor;
-
- backcolor = image_backcolor;
-
- if (pFrameData->imgCount == -1) {
- /* Input stream index set to 0 */
- inputPos = 0;
- inter_step = 1;
- interLaced = 0;
- transparent = 0;
-
- /* read a GIF HEADER */
- IfegMemcpy(buffer, pInputStream, 13);
- inputPos += 13;
-
- /* wheather GIF file or not */
- if (buffer[0] != 'G' || buffer[1] != 'I' || buffer[2] != 'F' ||
- buffer[3] < '0' || buffer[3] > '9' ||
- buffer[4] < '0' || buffer[4] > '9' ||
- buffer[5] < 'A' || buffer[5] > 'z') {
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return -1;
- }
-
- /* Regard the width/height of image block as the size of thumbnails. */
- pFrameData->logi_wdt = logi_wdt = expected_width;
- pFrameData->logi_hgt = logi_hgt = expected_height;
-
- /* ouput resized image size */
- if (logi_wdt <= expected_width && logi_hgt <= expected_height) {
- resized_width = logi_wdt;
- resized_height = logi_hgt;
- pFrameData->flag = flag = 1;
- } else {
- if ((logi_wdt/(float)expected_width) >= (logi_hgt/(float)expected_height)) {
- resized_height = logi_hgt * expected_width / logi_wdt;
- resized_width = expected_width;
- } else {
- resized_width = logi_wdt * expected_height / logi_hgt;
- resized_height = expected_height;
- }
- }
- if (!resized_width || !resized_height) {
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return 0;
- }
-
- /* ouput resized image size */
- pFrameData->resizedwidth = resized_width;
- pFrameData->resizedheight = resized_height;
-
- /* Color Resolution */
- IfegMemset(global_dacbox, 0, 1024);
- numcolors = (buffer[10] & 0x7) + 1;
- if ((buffer[10] & 0x80) == 0) { /* Global color table */
- global_dacbox[0] = 0x000000;
- global_dacbox[1] = 0x3f3f3f;
- numcolors = 2;
- } else { /* Global color table */
- numcolors = 1 << numcolors;
-
- /* Make color table */
- for (i = 0 ; i < numcolors; i++) {
- global_dacbox[i] = ((pInputStream[inputPos++] >> 2)<<16);
- global_dacbox[i] |= ((pInputStream[inputPos++] >> 2)<<8);
- global_dacbox[i] |= (pInputStream[inputPos++] >> 2);
- }
- }
-
- /* Background Color */
- pImage16 = (unsigned short *)pFrameData->pPrevImg;
- for (i = 0; i < expected_width * expected_height; i++) {
- *pImage16++ = ui_backcolor;
- }
-
- if (numcolors > 16) {
- numcolors = 256;
- }
- if (numcolors > 2 && numcolors < 16) {
- numcolors = 16;
- }
-
- pFrameData->global_numcol = numcolors;
- pFrameData->imgCount++;
- pFrameData->firstpos = inputPos;
- } else {
-
- logi_wdt = pFrameData->logi_wdt;
- logi_hgt = pFrameData->logi_hgt;
- resized_width = pFrameData->resizedwidth;
- resized_height = pFrameData->resizedheight;
-
- flag = pFrameData->flag ;
-
- numcolors = pFrameData->global_numcol;
- }
-
-
- while (1) {
- if (inputPos > filesize) {
- if (decoderline) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- pFrameData->imgCount = 0;
- pFrameData->offset = pFrameData->firstpos;
-
- if (pFrameData->bLoop) {
- /* Background Color */
- pImage16 = (unsigned short *)pFrameData->pPrevImg;
- for (i = 0; i < expected_width * expected_height; i++) {
- *pImage16++ = ui_backcolor;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return 1;
- } else {
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return 0;
- }
- }
-
- switch (pInputStream[inputPos++]) {
- case 0x3b: /* End of the GIF dataset */
- if (decoderline) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- if (pFrameData->imgCount == 0) {
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return -1;
- }
- pFrameData->imgCount = 0;
- pFrameData->offset = pFrameData->firstpos;
-
-#ifdef INTERNAL_IMGCODEC
- pFrameData->nRepeatCount++;
- thumb_dbg("(no_buffer) bLoop : %d, nRepeatCount : %d, nLoopCount : %d" , pFrameData->bLoop, pFrameData->nRepeatCount , pFrameData->nLoopCount);
-
- if (pFrameData->nLoopCount == -1) {
- break;
- } else if (pFrameData->bLoop || (pFrameData->nRepeatCount <= pFrameData->nLoopCount) || (pFrameData->nLoopCount == 0)) {
- /* Background Color */
- pImage16 = (unsigned short *)pFrameData->pPrevImg;
-
- for (i = 0; i < expected_width * expected_height; i++) {
- *pImage16++ = ui_backcolor;
- }
-
- inputPos = pFrameData->offset;
- continue;
- } else {
- /* if there is last frame and bLoop is FALSE, return 2. */
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return 2;
- }
-#else
- if (pFrameData->bLoop) {
- /* Background Color */
- pImage16 = (unsigned short *)pFrameData->pPrevImg;
- for (i = 0; i < expected_width * expected_height; i++) {
- *pImage16++ = backcolor;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return 1;
- } else {
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return 0;
- }
-#endif
- break;
- case 0x21: /* Extension Block */
- switch (pInputStream[inputPos++]) {
- case 0xf9: /* Graphic control extension block */
- if (4 != pInputStream[inputPos++]) { /* data length : fixed 4 bytes */
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return -1;
- }
-
- disposal_method = ((pInputStream[inputPos] & 0x1c) >> 2);
- transparent = pInputStream[inputPos++] & 0x01; /* does it use? 1:on 0:off */
- pFrameData->delay = (pInputStream[inputPos] | (pInputStream[inputPos+1] << 8))*10;
- inputPos += 2; /* Delay time (skip) */
- transIndex = pInputStream[inputPos++];
- inputPos++; /* block end */
- break;
-
- case 0x01: /* Plain Text block */
- while ((i = pInputStream[inputPos++]) > 0) {/* get the data length */
- inputPos += i;
- if (inputPos > filesize) {
- if (decoderline) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return -1;
- }
- }
- break;
-
- case 0xfe: /* Comment Extension block */
- while ((i = pInputStream[inputPos++]) > 0) { /* get the data length */
- inputPos += i;
- if (inputPos > filesize) {
- if (decoderline) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return -1;
- }
- }
- break;
-
- case 0xff: /* Appliation Extension block */
- while ((i = pInputStream[inputPos++]) > 0) { /* get the data length */
- inputPos += i;
- if (inputPos > filesize) {
- if (decoderline) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
-
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return -1;
- }
- }
- break;
-
- default:
- break;
- }
- break;
-
- case 0x2c: /* Start of an image object. Read the image description. */
-
- /* initialize */
- IfegMemcpy(pOutBits, pFrameData->pPrevImg, expected_width * expected_height * 2);
- pDacbox = global_dacbox;
-
- IfegMemcpy(buffer, pInputStream+inputPos, 9);
- inputPos += 9;
-
- image_left_pos = (buffer[0] | (buffer[1]<<8));
- image_top_pos = (buffer[2] | (buffer[3]<<8));
- orgwdt_1 = orgwdt = (buffer[4] | (buffer[5] << 8));
- orghgt = (buffer[6] | (buffer[7] << 8));
-
-#ifdef INTERNAL_IMGCODEC
-#else
- if ((orgwdt > MAXWIDTH) || (orghgt > MAXHEIGHT)) {
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return -1;
- }
-#endif
-
- /* Interlaced check */
- interLaced = buffer[8] & 0x40;
- if (interLaced) {
- startloc = -8;
- }
-
- inter_step = 1;
-
- if (decoderline) {
- IfegMemFree(decoderline);
- }
- decoderline = (unsigned char *)IfegMemAlloc(orgwdt);
- if (!decoderline) {
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return 0;
- }
- IfegMemset(decoderline, 0, orgwdt);
-
- decwdt = ((orgwdt * resized_width+logi_wdt-1) / logi_wdt);
- dechgt = ((orghgt * resized_height+logi_hgt-1) / logi_hgt);
-
- if (!decwdt || !dechgt) {
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return 0;
- }
-
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- }
- pDecBuf = (unsigned char *)IfegMemAlloc(decwdt * dechgt * 4);
- if (!pDecBuf) {
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return 0;
- }
- IfegMemset(pDecBuf, 0, decwdt * dechgt * 4);
-
- /* assign out_888_image plane */
- pImage32 = (unsigned int *)(pDecBuf);
-
- /* Initialize */
- a_x = orgwdt>>2, a_y = orghgt>>2;
- b_x = ((orgwdt*3)>>2), b_y = orghgt>>2;
- c_x = orgwdt>>2, c_y = ((orghgt*3)>>2);
- d_x = ((orgwdt*3)>>2), d_y = ((orghgt*3)>>2);
-
- end = dechgt * orghgt;
- out_x = 0, out_y = -dechgt;
-
- /* Color Resolution */
- if ((buffer[8] & 0x80) == 0) { /* Logical color table */
- /* use global table */
- } else { /* Logical color table */
- IfegMemset(dacbox, 0, 1024);
-
- numcolors = (buffer[8] & 0x7) + 1;
- numcolors = 1 << numcolors;
-
- /* Make color table */
- for (i = 0 ; i < numcolors; i++) {
- dacbox[i] = ((pInputStream[inputPos++] >> 2)<<16);
- dacbox[i] |= ((pInputStream[inputPos++] >> 2)<<8);
- dacbox[i] |= (pInputStream[inputPos++] >> 2);
- }
- pDacbox = dacbox;
- }
-
- if (numcolors > 16) {
- numcolors = 256;
- }
- if (numcolors > 2 && numcolors < 16) {
- numcolors = 16;
- }
-
- /****************************************************************************
- decoder(WDT, pInputStream, pBitmapElem->pBits);
- int decoder(int linewidth, UCHAR* pInputStream, UCHAR *pBitmapElem->pBits)
- ****************************************************************************/
-
- size = pInputStream[inputPos++];
- if (size < 2 || 9 < size) {
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return -1;
- }
-
- rowcount = oc = fc = 0;
- buf = decoderline;
- sp = dstack;
- bufptr = buf;
- bufcnt = orgwdt_1;
-
- /************************
- init_exp(size);
- int init_exp(int size)
- ************************/
- curr_size = size + 1;
- top_slot = 1 << curr_size;
- clear = 1 << size;
- ending = clear + 1;
- slot = newcodes = ending + 1;
- navail_bytes = nbits_left = 0;
- /************************/
-
-
- /* __get_next_code(pInputStream) */
- __get_next_code_first_nbits_left_0_nobuffer(pInputStream)
- __get_next_code_first_while_nobuffer(pInputStream)
-
- if (c == ending) {
- break;
- }
- /**********************************************************/
-
- if (c == clear) {
- curr_size = size + 1;
- slot = newcodes;
- top_slot = 1 << curr_size;
-
- do {
- /* __get_next_code(pInputStream); */
- if (navail_bytes < 2) {
- if (nbits_left == 0)
- __get_next_code_first_nbits_left_0_nobuffer(pInputStream)
- else
- __get_next_code_first_nbits_left_not_0(pInputStream)
-
- __get_next_code_first_while_nobuffer(pInputStream)
- } else {
- if (nbits_left == 0)
- __get_next_code_second_nbits_left_0(pInputStream)
- else
- __get_next_code_second_nbits_left_not_0(pInputStream)
-
- __get_next_code_second_while(pInputStream)
- }
-
- } while (c == clear);
-
- if (c == ending) {
- break;
- }
-
- if (c >= slot) {
- c = 0;
- }
-
- oc = fc = c;
- *sp++ = (unsigned char)c;
- } else {
- if (c >= slot) {
- c = 0;
- }
-
- oc = fc = c;
- *sp++ = (unsigned char)c;
- }
-
- while (rowcount < orghgt) {
- if ((sp - dstack) > 0) {
- spCount = sp - dstack;
- }
- /* Now that we've pushed the decoded string (in reverse order)
- * onto the stack, lets pop it off and put it into our decode
- * buffer... And when the decode buffer is full, write another
- * line...
- */
- while (sp > dstack) {
- --sp;
- *bufptr++ = *sp;
-
- if (--bufcnt == 0) {
-
- /********************************************************************************
- if ((ret = put_line(rowcount++, bufptr - buf, WDT, buf, pBitmapElem->pBits)) < 0)
- ********************************************************************************/
- rowcount++;
- len = bufptr - buf;
- if (len >= orgwdt) {
- len = orgwdt;
- }
-
- if (interLaced == 0) { /* interlaced image */
- if (!flag) {
- out_x = 0, out_y += dechgt;
- }
- } else { /* interlaced image */
- if (inter_step == 1) {
- startloc += 8;
- } else if (inter_step == 2) {
- startloc += 8;
- } else if (inter_step == 3) {
- startloc += 4;
- } else if (inter_step == 4) {
- startloc += 2;
- }
-
- if (startloc >= orghgt) {
- inter_step++;
- if (inter_step == 2) {
- startloc = 4;
- } else if (inter_step == 3) {
- startloc = 2;
- } else if (inter_step == 4) {
- startloc = 1;
- }
- }
-
- /* gif to rgb 565 */
- if (flag) {
- pImage32 = (unsigned int *)(pDecBuf) + startloc * decwdt;
- } else {
- out_x = 0, out_y = startloc * dechgt;
- a_x = orgwdt>>2;
- b_x = ((orgwdt*3)>>2);
- c_x = orgwdt>>2;
- d_x = ((orgwdt*3)>>2);
- if (out_y <= (orghgt >> 2)) {
- a_y = orghgt>>2;
- b_y = orghgt>>2;
- c_y = ((orghgt*3)>>2);
- d_y = ((orghgt*3)>>2);
- } else {
- if (((out_y%orghgt) - (orghgt>>2)) > 0) {
- a_y = ((out_y/orghgt)+1) * orghgt + (orghgt>>2);
- } else if (((out_y%orghgt) - (orghgt>>2)) < 0 || !(out_y%orghgt)) {
- a_y = ((out_y/orghgt)) * orghgt + (orghgt>>2);
- } else {
- a_y = out_y;
- }
-
- if (((out_y % orghgt) - ((orghgt * 3) >> 2)) > 0) {
- c_y = ((out_y/orghgt)+1) * orghgt + ((orghgt*3)>>2);
- } else if (((out_y%orghgt) - ((orghgt*3)>>2)) < 0 || !(out_y%orghgt)) {
- c_y = ((out_y/orghgt)) * orghgt + ((orghgt * 3) >> 2);
- } else {
- c_y = out_y;
- }
- b_y = a_y, d_y = c_y;
- }
- }
- }
-
- if (transparent == 1) {
- if (flag) {
- for (i = 0; i < len; i++) {
- val1 = buf[i] & (numcolors-1);
-
- if (val1 == transIndex) {
- *pImage32++ = 0x4000000; /* Set *pImage32 MSB 1 */
- } else {
- *pImage32++ = pDacbox[val1]<<2;
- }
- }
- } else {
- if (c_y < end) {
- d1 = a_y - out_y;
- d2 = c_y - out_y;
- if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/orghgt) * decwdt;
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/orghgt) * decwdt;
-
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
-
- if (0 <= d1 && d1 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (a_x/orgwdt)) += 0x1000000;
- *(pImage32_2 + (c_x/orgwdt)) += 0x1000000;
- a_x += orgwdt, c_x += orgwdt;
- } else {
- *(pImage32 + (a_x/orgwdt)) += pDacbox[val1];
- *(pImage32_2 + (c_x/orgwdt)) += pDacbox[val1];
- a_x += orgwdt, c_x += orgwdt;
- }
- }
- if (0 <= d2 && d2 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (b_x/orgwdt)) += 0x1000000;
- *(pImage32_2 + (d_x/orgwdt)) += 0x1000000;
- b_x += orgwdt, d_x += orgwdt;
- } else {
- *(pImage32 + (b_x/orgwdt)) += pDacbox[val1];
- *(pImage32_2 + (d_x/orgwdt)) += pDacbox[val1];
- b_x += orgwdt, d_x += orgwdt;
- }
- }
- out_x += decwdt;
- }
- if (!interLaced) {
- a_x = orgwdt>>2, a_y += orghgt;
- b_x = ((orgwdt*3)>>2), b_y += orghgt;
- c_x = orgwdt>>2, c_y += orghgt;
- d_x = ((orgwdt*3)>>2), d_y += orghgt;
- }
- } else if (0 <= d1 && d1 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/orghgt) * decwdt;
-
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (a_x/orgwdt)) += 0x1000000;
- a_x += orgwdt;
- } else {
- *(pImage32 + (a_x/orgwdt)) += pDacbox[val1];
- a_x += orgwdt;
- }
- } if (0 <= d2 && d2 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (b_x/orgwdt)) += 0x1000000;
- b_x += orgwdt;
- } else {
- *(pImage32 + (b_x/orgwdt)) += pDacbox[val1];
- b_x += orgwdt;
- }
- }
- out_x += decwdt;
- }
- if (!interLaced) {
- a_x = orgwdt>>2, a_y += orghgt;
- b_x = ((orgwdt*3)>>2), b_y += orghgt;
- }
- } else if (0 <= d2 && d2 < dechgt) {
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/orghgt) * decwdt;
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32_2 + (c_x/orgwdt)) += 0x1000000;
- c_x += orgwdt;
- } else {
- *(pImage32_2 + (c_x/orgwdt)) += pDacbox[val1];
- c_x += orgwdt;
- }
- }
- if (0 <= d2 && d2 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32_2 + (d_x/orgwdt)) += 0x1000000;
- d_x += orgwdt;
- } else {
- *(pImage32_2 + (d_x/orgwdt)) += pDacbox[val1];
- d_x += orgwdt;
- }
- }
- out_x += decwdt;
- }
- if (!interLaced) {
- c_x = orgwdt>>2, c_y += orghgt;
- d_x = ((orgwdt*3)>>2), d_y += orghgt;
- }
- }
- }
- }
- } else {
- if (flag) {
- for (i = 0; i < len; i++) {
- val1 = buf[i] & (numcolors-1);
- *pImage32++ = pDacbox[val1]<<2;
- }
- } else {
- if (c_y < end) {
- d1 = a_y - out_y;
- d2 = c_y - out_y;
- if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/orghgt) * decwdt;
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/orghgt) * decwdt;
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/orgwdt)) += pDacbox[val1];
- *(pImage32_2 + (c_x/orgwdt)) += pDacbox[val1];
- a_x += orgwdt, c_x += orgwdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/orgwdt)) += pDacbox[val1];
- *(pImage32_2 + (d_x/orgwdt)) += pDacbox[val1];
- b_x += orgwdt, d_x += orgwdt;
- }
- out_x += decwdt;
- }
- if (!interLaced) {
- a_x = orgwdt>>2, a_y += orghgt;
- b_x = ((orgwdt*3)>>2), b_y += orghgt;
- c_x = orgwdt>>2, c_y += orghgt;
- d_x = ((orgwdt*3)>>2), d_y += orghgt;
- }
- } else if (0 <= d1 && d1 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/orghgt) * decwdt;
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/orgwdt)) += pDacbox[val1];
- a_x += orgwdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/orgwdt)) += pDacbox[val1];
- b_x += orgwdt;
- }
- out_x += decwdt;
- }
- if (!interLaced) {
- a_x = orgwdt>>2, a_y += orghgt;
- b_x = ((orgwdt*3)>>2), b_y += orghgt;
- }
- } else if (0 <= d2 && d2 < dechgt) {
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/orghgt) * decwdt;
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/orgwdt)) += pDacbox[val1];
- c_x += orgwdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/orgwdt)) += pDacbox[val1];
- d_x += orgwdt;
- }
- out_x += decwdt;
- }
-
- if (!interLaced) {
- c_x = orgwdt>>2, c_y += orghgt;
- d_x = ((orgwdt*3)>>2), d_y += orghgt;
- }
- }
- }
- }
- }
- bufptr = buf;
- bufcnt = orgwdt_1;
- }
- }
-
- if (rowcount == orghgt) {
- break;
- }
-
- /* __get_next_code(pInputStream) */
- if (navail_bytes < 2) {
- if (nbits_left == 0)
- __get_next_code_first_nbits_left_0_nobuffer(pInputStream)
- else
- __get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while_nobuffer(pInputStream)
- } else {
- if (nbits_left == 0)
- __get_next_code_second_nbits_left_0(pInputStream)
- else
- __get_next_code_second_nbits_left_not_0(pInputStream)
-
- __get_next_code_second_while(pInputStream)
- }
-
- if (c == ending) {
- break;
- }
- /*************************************************************/
-
- if (c == clear) {
- curr_size = size + 1;
- slot = newcodes;
- top_slot = 1 << curr_size;
-
- do {
- /* __get_next_code(pInputStream); */
- if (navail_bytes < 2) {
- if (nbits_left == 0)
- __get_next_code_first_nbits_left_0_nobuffer(pInputStream)
- else
- __get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while_nobuffer(pInputStream)
- } else {
- if (nbits_left == 0)
- __get_next_code_second_nbits_left_0(pInputStream)
- else
- __get_next_code_second_nbits_left_not_0(pInputStream)
-
- __get_next_code_second_while(pInputStream)
- }
- } while (c == clear);
-
- if (c == ending) {
- break;
- }
-
- if (c >= slot) {
- c = 0;
- }
-
- oc = fc = c;
- *sp++ = (unsigned char)c;
- } else {
- code = c;
-
- if (code >= slot) {
- code = oc;
- *sp++ = (unsigned char)fc;
- }
-
- IfegMemset(done_prefix, 0, sizeof(unsigned char)*(MAX_CODES+1));
- while (code >= newcodes) {
- *sp++ = suffix[code];
- if ((code == prefix[code]) || (done_prefix[code] == 1)) {
- thumb_err("Circular entry in table.");
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
- return 0;
- }
- done_prefix[code] = 1;
- code = prefix[code];
- }
-
- *sp++ = (unsigned char)code;
- spCount++;
- if (slot < top_slot) {
- fc = code;
- suffix[slot] = (unsigned char)fc;
- prefix[slot++] = oc;
- oc = c;
- }
- if (slot >= top_slot) {
- if (curr_size < 12) {
- top_slot <<= 1;
- ++curr_size;
- }
- }
- }
- }
- /*************************************************************/
-
- if (bCenterAlign) {
- margin_wdt1_2 = (expected_width - resized_width)>>1;
- margin_hgt1_2 = (expected_height - resized_height)>>1;
- } else {
- margin_wdt1_2 = 0;
- margin_hgt1_2 = 0;
- }
-
- pImage32 = (unsigned int *)(pDecBuf);
-
- /* Only make a first image frame as a thumbnail */
- image_left_pos = 0;
- image_top_pos = 0;
- len = decwdt;
-
- if (orgwdt > logi_wdt) {
- decwdt = resized_width;
- }
- if (orghgt > logi_hgt) {
- dechgt = resized_height;
- }
-
- if ((image_left_pos + decwdt) > resized_width) {
- decwdt = resized_width - image_left_pos;
- if (decwdt < 0) {
- decwdt = 0;
- }
- }
- if ((image_top_pos+dechgt) > resized_height) {
- dechgt = resized_height - image_top_pos;
- if (dechgt < 0) {
- dechgt = 0;
- }
- }
-
- if (pFrameData->imgCount == 0) {
- for (i = 0, k = margin_hgt1_2; i < resized_height; i++) {
- pImage16 = (unsigned short *)((unsigned char *)pOutBits + ((margin_wdt1_2 + expected_width * k) << 1));
- for (j = 0; j < resized_width; j++) {
- *pImage16++ = backcolor;
- }
- k++;
- }
- if (transparent == 1) {
- for (i = 0, k = image_top_pos+margin_hgt1_2; i < dechgt; i++) {
- pImage16 = (unsigned short *)((unsigned char *)pOutBits + ((image_left_pos+margin_wdt1_2 + expected_width * k) << 1));
- for (j = 0; j < decwdt; j++) {
- *pImage16++ = ui_backcolor;
- }
- k++;
- }
- }
- }
-
- for (i = 0, k = image_top_pos+margin_hgt1_2; i < dechgt; i++) {
- pImage16 = (unsigned short *)((unsigned char*)pOutBits + ((image_left_pos+margin_wdt1_2 + (expected_width) * k) << 1));
- pImage32 = (unsigned int *)(pDecBuf) + (i * len);
-
- for (j = 0; j < decwdt; j++) {
- if ((*pImage32>>24) == 0) {
- *(pImage16++) = ((*pImage32 & 0xf80000) >> 8) | ((*pImage32 & 0xfc00) >> 5) | ((*pImage32 & 0xf8) >> 3);
- } else if ((*pImage32 >> 24) == 4) {
- pImage16++;
- } else if ((*pImage32 >> 24) == 3) {
- *pImage16 =
- (((*pImage32 & 0xf80000) >> 8)+(((((*pImage16) & 0xf800) * 3) >> 2) & 0xf800)) |
- (((*pImage32 & 0xfc00) >> 5)+(((((*pImage16) & 0x07c0) * 3) >> 2) & 0x07c0)) |
- (((*pImage32 & 0xf8) >> 3)+((((*pImage16) & 0x001f) * 3) >> 2));
- pImage16++;
- } else if ((*pImage32 >> 24) == 1) {
- *pImage16 =
- (((*pImage32 & 0xf80000) >> 8)+((((*pImage16) & 0xf800) >> 2) & 0xf800)) |
- (((*pImage32 & 0xfc00) >> 5)+((((*pImage16) & 0x07c0) >> 2) & 0x07c0)) |
- (((*pImage32 & 0xf8) >> 3)+((((*pImage16) & 0x001f) >> 2)));
- pImage16++;
- } else {
- *pImage16 =
- (((*pImage32 & 0xf80000) >> 8)+((((*pImage16) & 0xf800) >> 1) & 0xf800)) |
- (((*pImage32 & 0xfc00) >> 5)+((((*pImage16) & 0x07c0) >> 1) & 0x07c0)) |
- (((*pImage32 & 0xf8) >> 3)+((((*pImage16) & 0x001f) >> 1)));
- pImage16++;
- }
- pImage32++;
- }
- k++;
- }
-
- switch (disposal_method) {
- /* No disposal specified. The decoder is not required to take any action */
- case 0:
-
- /* Do not dispose. The graphic is to be left in place. */
- case 1:
- IfegMemcpy(pFrameData->pPrevImg, pOutBits, expected_width * expected_height * 2);
- break;
-
- /* Restore to background color. The area used by the graphic must be restored to the background color. */
- case 2:
- IfegMemcpy(pFrameData->pPrevImg, pOutBits, expected_width * expected_height * 2);
-
- if (transparent == 1) {
- for (i = 0, k = image_top_pos+margin_hgt1_2; i < dechgt; i++) {
- pImage16 = (unsigned short *)((pFrameData->pPrevImg) + ((image_left_pos+margin_wdt1_2 + expected_width * k) << 1));
- for (j = 0; j < decwdt; j++) {
- *pImage16++ = ui_backcolor;
- }
- k++;
- }
- } else {
- for (i = 0, k = image_top_pos+margin_hgt1_2; i < dechgt; i++) {
- pImage16 = (unsigned short *)((pFrameData->pPrevImg) + ((image_left_pos+margin_wdt1_2 + expected_width * k) << 1));
- for (j = 0; j < decwdt; j++) {
- *pImage16++ = image_backcolor;
- }
- k++;
- }
- }
- break;
-
- /* Restore to previous. The decoder is required to restore the area overwritten by the graphic with what was there prior to rendering the graphic.*/
- case 3:
- break;
-
- default:
- IfegMemcpy(pFrameData->pPrevImg, pOutBits, expected_width * expected_height * 2);
- /* same with case 1 */
- break;
- }
-
- if (decoderline) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- IfegMemFree(done_prefix);
- done_prefix = 0;
-
- pFrameData->offset = inputPos;
- pFrameData->imgCount++;
-
- return 1;
-
- break;
-
- default:
- break;
-
- }
- }
-}
-
-
-/* use buffer */
-int __FastImgGetNextFrameAGIF_UseBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAlign)
-{
- unsigned int *pImage32, *pImage32_2, *backGround;
- unsigned short *pImage16;
- unsigned char *sp;
- unsigned char *bufptr;
- unsigned int code, fc, oc, bufcnt;
- unsigned char buffer[16];
- unsigned char val1;
- unsigned char *buf;
- unsigned int *pDacbox;
- unsigned char *decoderline = 0;
- unsigned int size;
- unsigned int c = 0;
-
- unsigned int clear;
- unsigned int ending;
- unsigned int newcodes;
- unsigned int top_slot;
- unsigned int slot;
-
- int numcolors;
- int i, j, k;
- int rowcount;
- int orgwdt_1, orgwdt, orghgt;
- int decwdt, dechgt;
- int len;
- int inter_step, interLaced, intercount;
- int transparent = 0;
- int startloc = 0;
- int backgroundIndex = 0;
- int transIndex = 0;
- int spCount = 0;
- int logi_wdt; /* logical screen width */
- int logi_hgt;
- int ui_backcolor565;
- int backcolor565;
-
- int backcolor888;
-
- int image_left_pos; /* left position of image in Logical screeen */
- int image_top_pos;
- int disposal_method = 0;
- int margin_wdt1_2, margin_hgt1_2;
-
- int inputPos;
-
-
- unsigned int dacbox[256];
-
- /* Variable for Resize */
-
- unsigned int a_x, a_y;
- unsigned int b_x, b_y;
- unsigned int c_x, c_y;
- unsigned int d_x, d_y;
- int out_x = 0, out_y = 0;
- int d1, d2;
- int flag = 0;
- unsigned int end;
-
- unsigned char *pDecBuf = 0;
-
- int expected_width = pFrameData->width;
- int expected_height = pFrameData->height;
- int resized_width;
- int resized_height;
-
- /* macro */
- register unsigned int curr_size;
- register int navail_bytes = 0;
- register unsigned int nbits_left = 0;
- register unsigned int b1 = 0;
- register unsigned int ret;
-
- /* parameter */
- unsigned int *global_dacbox = pFrameData->pGlobal_table;
- unsigned char *pInputStream = pFrameData->pEncodedData;
- void *pOutBits = pFrameData->pOutBits;
- unsigned short *prefix = pFrameData->pPrefix;
- unsigned char *dstack = pFrameData->pDstack;
- unsigned char *suffix = pFrameData->pSuffix;
- int filesize = pFrameData->inputSize;
-
- inputPos = pFrameData->offset;
-
- IfegMemset(prefix, 0, sizeof(unsigned short)*(MAX_CODES+1));
- IfegMemset(dstack, 0, sizeof(unsigned char)*(MAX_CODES+1));
- IfegMemset(suffix, 0, sizeof(unsigned char)*(MAX_CODES+1));
-
- ui_backcolor565 = pFrameData->ui_backcolor;
-
- backcolor565 = pFrameData->backcolor;
- backcolor888 =
- ((backcolor565&0xf800) << 6)|
- ((backcolor565&0x7e0) << 3)|
- ((backcolor565&0x1f) << 1);
-
- backGround = (unsigned int *)pFrameData->pPrevImg;
-
- intercount = 0;
-
- if (pFrameData->imgCount == -1) {
- /* Input stream index set to 0 */
- inputPos = 0;
- inter_step = 1;
- interLaced = 0;
- transparent = 0;
-
- /* read a GIF HEADER */
- IfegMemcpy(buffer, pInputStream, 13);
- inputPos += 13;
-
- /* wheather GIF file or not */
- if (buffer[0] != 'G' || buffer[1] != 'I' || buffer[2] != 'F' ||
- buffer[3] < '0' || buffer[3] > '9' ||
- buffer[4] < '0' || buffer[4] > '9' ||
- buffer[5] < 'A' || buffer[5] > 'z') {
- return -1;
- }
-
- /* get Logical width, height */
- pFrameData->logi_wdt = logi_wdt = buffer[6] | (buffer[7] << 8);
- pFrameData->logi_hgt = logi_hgt = buffer[8] | (buffer[9] << 8);
-
- /* ouput resized image size */
- if (logi_wdt <= expected_width && logi_hgt <= expected_height) {
- resized_width = logi_wdt;
- resized_height = logi_hgt;
- pFrameData->flag = flag = 1;
- } else {
- if ((logi_wdt/(float)expected_width) >= (logi_hgt/(float)expected_height)) {
- resized_height = logi_hgt * expected_width / logi_wdt;
- resized_width = expected_width;
- } else {
- resized_width = logi_wdt * expected_height / logi_hgt;
- resized_height = expected_height;
- }
- }
- if (!resized_width || !resized_height) {
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- return 0;
- }
-
- /* ouput resized image size */
- pFrameData->resizedwidth = resized_width;
- pFrameData->resizedheight = resized_height;
-
- /* Color Resolution */
- IfegMemset(global_dacbox, 0, 1024);
- numcolors = (buffer[10] & 0x7) + 1;
- if ((buffer[10] & 0x80) == 0) { /* Global color table */
- global_dacbox[0] = 0x000000;
- global_dacbox[1] = 0x3f3f3f;
- numcolors = 2;
- } else { /* Global color table */
- numcolors = 1 << numcolors;
-
- /* Make color table */
- for (i = 0; i < numcolors; i++) {
- global_dacbox[i] = ((pInputStream[inputPos++] >> 2) << 16);
- global_dacbox[i] |= ((pInputStream[inputPos++] >> 2) << 8);
- global_dacbox[i] |= (pInputStream[inputPos++] >> 2);
- }
- }
-
- backgroundIndex = buffer[11];
- /* Background Color */
- backcolor888 = global_dacbox[backgroundIndex];
- backcolor565 = pFrameData->backcolor = (((backcolor888 & 0xff0000) >> 17) << 11) | (((backcolor888 & 0x00ff00) >> 8) << 5) | (((backcolor888 & 0xff) >> 1));
-
- pImage16 = pOutBits;
-
- ui_backcolor565 = pFrameData->ui_backcolor ;
- for (i = 0; i < expected_width * expected_height; i++) {
- *pImage16++ = ui_backcolor565;
- }
-
- pImage32 = (unsigned int *)pFrameData->pPrevImg;
-
- if (numcolors > 16) {
- numcolors = 256;
- }
- if (numcolors > 2 && numcolors < 16) {
- numcolors = 16;
- }
- pFrameData->global_numcol = numcolors;
- pFrameData->imgCount++;
- pFrameData->firstpos = inputPos;
- } else {
- logi_wdt = pFrameData->logi_wdt;
- logi_hgt = pFrameData->logi_hgt;
- resized_width = pFrameData->resizedwidth;
- resized_height = pFrameData->resizedheight;
- flag = pFrameData->flag ;
-
- numcolors = pFrameData->global_numcol;
- }
-
- /* still gif image (image_cnt = 1) */
- while (1) {
- if (inputPos > filesize) {
-
- if (decoderline) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- pFrameData->imgCount = 0;
- pFrameData->offset = pFrameData->firstpos;
-
- if (pFrameData->bLoop) {
- return 1;
- } else {
- return 0;
- }
- }
-
- switch (pInputStream[inputPos++]) {
- case 0x3b:/* End of the GIF dataset */
- if (decoderline) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- if (pFrameData->imgCount == 0) {
- return -1;
- }
- pFrameData->imgCount = 0;
- pFrameData->offset = pFrameData->firstpos;
-#ifdef INTERNAL_IMGCODEC
- pFrameData->nRepeatCount++;
-
- if (pFrameData->nLoopCount == -1) {
- break;
- } else if (pFrameData->bLoop || (pFrameData->nRepeatCount <= pFrameData->nLoopCount) || (pFrameData->nLoopCount == 0)) {
- inputPos = pFrameData->offset;
- continue;
- } else {
- return 2;
- }
-#else
- if (pFrameData->bLoop) {
- return 1;
- } else {
- return 0;
- }
-
-#endif
- break;
- case 0x21: /* Extension Block */
- switch (pInputStream[inputPos++]) {
- case 0xf9: /* Graphic control extension block */
- if (4 != pInputStream[inputPos++]) { /* data length : fixed 4 bytes */
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- return -1;
- }
-
- disposal_method = ((pInputStream[inputPos] & 0x1c) >> 2);
- transparent = pInputStream[inputPos++] & 0x01; /* does it use? 1:on 0:off */
- pFrameData->delay = (pInputStream[inputPos] | (pInputStream[inputPos+1] << 8))*10;
- inputPos += 2; /* Delay time (skip) */
- transIndex = pInputStream[inputPos++];
- inputPos++; /* block end */
-
- if (backgroundIndex == transIndex && transparent == 1) {
- backcolor888 = 0x1000000;
- backcolor565 = pFrameData->ui_backcolor;
- }
-
- break;
- case 0x01: /* Plain Text block */
- while ((i = pInputStream[inputPos++]) > 0) { /* get the data length */
- inputPos += i;
- if (inputPos > filesize) {
- if (decoderline) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- return -1;
- }
- }
- break;
- case 0xfe: /* Comment Extension block */
- while ((i = pInputStream[inputPos++]) > 0) { /* get the data length */
- inputPos += i;
- if (inputPos > filesize) {
- if (decoderline) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- return -1;
- }
- }
- break;
- case 0xff: /* Appliation Extension block */
-
- while ((i = pInputStream[inputPos++]) > 0) { /* get the data length */
- inputPos += i;
- if (inputPos > filesize) {
- if (decoderline) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- return -1;
- }
- }
- break;
- default:
- break;
- }
-
- break;
-
- case 0x2c: /* Start of an image object. Read the image description. */
-
- /* initialize */
- pDacbox = global_dacbox;
-
- IfegMemcpy(buffer, pInputStream+inputPos, 9);
- inputPos += 9;
-
- if (pFrameData->imgCount == 0) {
- image_left_pos_N = (buffer[0] | (buffer[1] << 8));
- image_top_pos_N = (buffer[2] | (buffer[3] << 8));
-
- image_left_pos = image_left_pos_N;
- image_top_pos = image_top_pos_N;
- }
- image_left_pos = (buffer[0] | (buffer[1] << 8));
- image_top_pos = (buffer[2] | (buffer[3] << 8));
- orgwdt_1 = orgwdt = (buffer[4] | (buffer[5] << 8));
- orghgt = (buffer[6] | (buffer[7] << 8));
-
-
-#ifdef INTERNAL_IMGCODEC
-#else
- if ((orgwdt > MAXWIDTH) || (orghgt > MAXHEIGHT)) {
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- return -1;
- }
-#endif
-
- /* Initialize */
- a_x = logi_wdt >> 2, a_y = logi_hgt >> 2;
- b_x = ((logi_wdt*3) >> 2), b_y = logi_hgt >> 2;
- c_x = logi_wdt >> 2, c_y = ((logi_hgt*3) >> 2);
- d_x = ((logi_wdt*3) >> 2), d_y = ((logi_hgt*3) >> 2);
-
- /* Interlaced check */
- interLaced = buffer[8] & 0x40;
- if (interLaced) {
- startloc = -8+image_top_pos;
- }
-
- inter_step = 1;
-
- if (decoderline) {
- IfegMemFree(decoderline);
- }
- decoderline = (unsigned char *)IfegMemAlloc(orgwdt);
- if (!decoderline) {
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- return 0;
- }
- IfegMemset(decoderline, 0, orgwdt);
-
- decwdt = resized_width;
- dechgt = resized_height;
-
- if (!decwdt || !dechgt) {
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- return 0;
- }
-
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- }
- pDecBuf = (unsigned char *)IfegMemAlloc(decwdt * dechgt * 4);
- if (!pDecBuf) {
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- return 0;
- }
-
- IfegMemset(pDecBuf, 0, decwdt * dechgt * 4);
-
- /* assign out_888_image plane */
- pImage32 = (unsigned int *)(pDecBuf);
-
- end = dechgt * logi_hgt;
- out_x = 0, out_y = -dechgt;
-
- /* Color Resolution */
- if ((buffer[8] & 0x80) == 0) { /* Logical color table */
- ;/* use global table */
- } else { /* Logical color table */
- IfegMemset(dacbox, 0, 1024);
-
- numcolors = (buffer[8] & 0x7) + 1;
- numcolors = 1 << numcolors;
-
- /* Make color table */
- for (i = 0; i < numcolors; i++) {
- dacbox[i] = ((pInputStream[inputPos++] >> 2) << 16);
- dacbox[i] |= ((pInputStream[inputPos++] >> 2) << 8);
- dacbox[i] |= (pInputStream[inputPos++] >> 2);
- }
- pDacbox = dacbox;
- }
-
- if (numcolors > 16) {
- numcolors = 256;
- }
- if (numcolors > 2 && numcolors < 16) {
- numcolors = 16;
- }
-
- if (logi_wdt < (image_left_pos + orgwdt)) {
- if (image_left_pos > logi_wdt) {
- image_left_pos = logi_wdt;
- }
- orgwdt = logi_wdt - image_left_pos;
- flag = 0;
- }
- if (logi_hgt < (image_top_pos + orghgt)) {
- flag = 0;
- }
-
- if (pFrameData->imgCount == 0) {
- if (disposal_method == 3) {
- pImage32 = (unsigned int *)pFrameData->pPrevImg;
- for (i = 0; i < logi_wdt * logi_hgt; i++) {
- *pImage32++ = 0x1000000;
- }
- } else {
- pImage32 = (unsigned int *)pFrameData->pPrevImg;
- for (i = 0; i < logi_wdt * logi_hgt; i++) {
- *pImage32++ = backcolor888;
- }
- }
- if (transparent == 1) {
- /* Background Color */
- pImage32 = (unsigned int *)pFrameData->pPrevImg;
- pImage32 += image_top_pos * logi_wdt + image_left_pos;
- if (logi_hgt < (image_top_pos + orghgt)) {
- for (i = 0; i < logi_hgt - image_top_pos; i++) {
- for (j = 0; j < orgwdt; j++) {
- pImage32[j] = 0x1000000; /* set ui color */
- }
- pImage32 += logi_wdt;
- }
- } else {
- for (i = 0; i < orghgt; i++) {
- for (j = 0; j < orgwdt; j++) {
- pImage32[j] = 0x1000000; /* set ui color */
- }
- pImage32 += logi_wdt;
- }
- }
- }
- }
-
- /* assign out_888_image plane */
- pImage32 = (unsigned int *)(pDecBuf);
-
- for (rowcount = 0; rowcount < image_top_pos; rowcount++) {
- if (flag) {
- for (i = 0; i < logi_wdt; i++) {
- *pImage32++ = backGround[i] << 2;
- }
- } else {
- out_x = 0, out_y += dechgt;
- if (c_y < end) {
- d1 = a_y - out_y;
- d2 = c_y - out_y;
- if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- } else if (0 <= d1 && d1 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- for (i = 0; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
- }
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- } else if (0 <= d2 && d2 < dechgt) {
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < logi_wdt; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- }
- }
- backGround += logi_wdt;
- }
-
-
- /***************************************************************************
- decoder(WDT, pInputStream, pBitmapElem->pBits); //this does the grunt work
- int decoder(int linewidth, UCHAR* pInputStream, UCHAR *pBitmapElem->pBits)
- ***************************************************************************/
-
- size = pInputStream[inputPos++];
- if (size < 2 || 9 < size) {
- if (decoderline != 0) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf != 0) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
- return -1;
- }
- rowcount = oc = fc = 0;
- buf = decoderline;
- sp = dstack;
- bufptr = buf;
- bufcnt = orgwdt_1;
-
- /************************
- init_exp(size);
- int init_exp(int size)
- ************************/
- curr_size = size + 1;
- top_slot = 1 << curr_size;
- clear = 1 << size;
- ending = clear + 1;
- slot = newcodes = ending + 1;
- navail_bytes = nbits_left = 0;
- /************************/
-
-
- /* __get_next_code(pInputStream) */
- __get_next_code_first_nbits_left_0(pInputStream)
- __get_next_code_first_while(pInputStream)
-
- if (c == ending) {
- break;
- }
-
- if (c == clear) {
- curr_size = size + 1;
- slot = newcodes;
- top_slot = 1 << curr_size;
-
- do {
- /* __get_next_code(pInputStream); */
- if (navail_bytes < 2) {
- if (nbits_left == 0)
- __get_next_code_first_nbits_left_0(pInputStream)
- else
- __get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while(pInputStream)
- } else {
- if (nbits_left == 0)
- __get_next_code_second_nbits_left_0(pInputStream)
- else
- __get_next_code_second_nbits_left_not_0(pInputStream)
-
- __get_next_code_second_while(pInputStream)
- }
- } while (c == clear);
-
- if (c == ending) {
- break;
- }
-
- if (c >= slot) {
- c = 0;
- }
-
- oc = fc = c;
- *sp++ = (unsigned char)c;
- } else {
- if (c >= slot) {
- c = 0;
- }
-
- oc = fc = c;
- *sp++ = (unsigned char)c;
- }
-
- switch (disposal_method) {
-
- /* Restore to previous. The decoder is required to restore the area overwritten by the graphic with what was there prior to rendering the graphic. */
- case 3:
- while (rowcount < orghgt) {
- if ((sp - dstack) > 0) {
- spCount = sp - dstack;
- }
- /* Now that we've pushed the decoded string (in reverse order)
- * onto the stack, lets pop it off and put it into our decode
- * buffer... And when the decode buffer is full, write another
- * line...
- */
- while (sp > dstack) {
- --sp;
- *bufptr++ = *sp;
-
- if (--bufcnt == 0) {
- /**********************************************************************************
- if ((ret = put_line(rowcount++, bufptr - buf, WDT, buf, pBitmapElem->pBits)) < 0)
- **********************************************************************************/
- rowcount++;
- len = bufptr - buf;
- if (len >= orgwdt) {
- len = orgwdt;
- }
-
- if (interLaced == 0) { /* interlaced image */
- if (!flag) {
- out_x = 0, out_y += dechgt;
- }
- } else { /* interlaced image */
- if (inter_step == 1) {
- startloc += 8;
- intercount++;
- } else if (inter_step == 2) {
- startloc += 8;
- intercount++;
- } else if (inter_step == 3) {
- startloc += 4;
- intercount++;
- } else if (inter_step == 4) {
- startloc += 2;
- intercount++;
- }
-
- if (startloc >= orghgt+image_top_pos) {
- inter_step++;
- if (inter_step == 2) {
- startloc = 4+image_top_pos;
- } else if (inter_step == 3) {
- startloc = 2+image_top_pos;
- } else if (inter_step == 4) {
- startloc = 1+image_top_pos;
- }
- }
-
- backGround = (unsigned int *)(pFrameData->pPrevImg + ((startloc * logi_wdt) << 2));
- /* gif to rgb 565 */
- if (flag) {
- pImage32 = (unsigned int *)(pDecBuf) + startloc * decwdt;
- } else {
- out_x = 0, out_y = startloc * dechgt;
- a_x = logi_wdt >> 2;
- b_x = ((logi_wdt*3) >> 2);
- c_x = logi_wdt >> 2;
- d_x = ((logi_wdt*3) >> 2);
- if (out_y <= (logi_hgt >> 2)) {
- a_y = logi_hgt >> 2;
- b_y = logi_hgt >> 2;
- c_y = ((logi_hgt*3) >> 2);
- d_y = ((logi_hgt*3) >> 2);
- } else {
- if (((out_y % logi_hgt) - (logi_hgt >> 2)) > 0) {
- a_y = ((out_y/logi_hgt)+1) * logi_hgt + (logi_hgt >> 2);
- } else if (((out_y % logi_hgt) - (logi_hgt >> 2)) < 0 || !(out_y%logi_hgt)) {
- a_y = ((out_y/logi_hgt)) * logi_hgt + (logi_hgt>>2);
- } else {
- a_y = out_y;
- }
-
- if (((out_y % logi_hgt) - ((logi_hgt*3) >> 2)) > 0) {
- c_y = ((out_y/logi_hgt+1) * logi_hgt + ((logi_hgt*3) >> 2));
- } else if (((out_y % logi_hgt) - ((logi_hgt*3) >> 2)) < 0 || !(out_y % logi_hgt)) {
- c_y = ((out_y/logi_hgt)) * logi_hgt + ((logi_hgt*3) >> 2);
- } else {
- c_y = out_y;
- }
- b_y = a_y, d_y = c_y;
- }
- }
- }
-
- if (transparent == 1) {
- if (flag) {
- for (i = 0; i < image_left_pos; i++) {
- *pImage32++ = backGround[i]<<2;
- }
- for (i = 0; i < len; i++) {
- val1 = buf[i] & (numcolors-1);
-
- if (val1 == transIndex) {
- *pImage32++ = backGround[i+image_left_pos] << 2;
- } else {
- *pImage32++ = pDacbox[val1] << 2;
- }
- }
- for (i = orgwdt+image_left_pos; i < logi_wdt; i++) {
- *pImage32++ = backGround[i] << 2;
- }
- } else {
- if (c_y < end) {
- d1 = a_y - out_y;
- d2 = c_y - out_y;
- if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
-
- for (i = 0; i < image_left_pos; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
- }
-
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i+image_left_pos];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i+image_left_pos];
- a_x += logi_wdt, c_x += logi_wdt;
- } else {
- *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
- *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- }
- if (0 <= d2 && d2 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i+image_left_pos];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i+image_left_pos];
- b_x += logi_wdt, d_x += logi_wdt;
- } else {
- *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
- *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- }
- out_x += decwdt;
- }
-
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
- }
-
- if (!interLaced) {
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- c_x = logi_wdt>>2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- } else if (0 <= d1 && d1 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i+image_left_pos];
- a_x += logi_wdt;
- } else {
- *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
- a_x += logi_wdt;
- }
- }
- if (0 <= d2 && d2 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i+image_left_pos];
- b_x += logi_wdt;
- } else {
- *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
- b_x += logi_wdt;
- }
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
- }
- if (!interLaced) {
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- }
- } else if (0 <= d2 && d2 < dechgt) {
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i+image_left_pos];
- c_x += logi_wdt;
- } else {
- *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
- c_x += logi_wdt;
- }
- }
- if (0 <= d2 && d2 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i+image_left_pos];
- d_x += logi_wdt;
- } else {
- *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
- d_x += logi_wdt;
- }
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- if (!interLaced) {
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- }
- }
- }
- } else {
- if (flag) {
- for (i = 0; i < image_left_pos; i++) {
- *pImage32++ = backGround[i] << 2;
- }
- for (i = 0; i < len; i++) {
- val1 = buf[i] & (numcolors - 1);
- *pImage32++ = pDacbox[val1] << 2;
- }
- for (i = orgwdt+image_left_pos; i < logi_wdt; i++) {
- *pImage32++ = backGround[i] << 2;
- }
- } else {
- if (c_y < end) {
- d1 = a_y - out_y;
- d2 = c_y - out_y;
- if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
- *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
- *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- if (!interLaced) {
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- } else if (0 <= d1 && d1 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
- b_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- if (!interLaced) {
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- }
- } else if (0 <= d2 && d2 < dechgt) {
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- if (!interLaced) {
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- }
- }
- }
- }
-
- backGround += logi_wdt;
- bufptr = buf;
- bufcnt = orgwdt_1;
- }
- }
-
- if (rowcount == orghgt) {
- break;
- }
- /* __get_next_code(pInputStream) */
- if (navail_bytes < 2) {
- if (nbits_left == 0)
- __get_next_code_first_nbits_left_0(pInputStream)
- else
- __get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while(pInputStream)
- } else {
- if (nbits_left == 0)
- __get_next_code_second_nbits_left_0(pInputStream)
- else
- __get_next_code_second_nbits_left_not_0(pInputStream)
-
- __get_next_code_second_while(pInputStream)
- }
-
- if (c == ending) {
- break;
- }
-
- if (c == clear) {
- curr_size = size + 1;
- slot = newcodes;
- top_slot = 1 << curr_size;
-
- do {
- /* __get_next_code(pInputStream); */
- if (navail_bytes < 2) {
- if (nbits_left == 0)
- __get_next_code_first_nbits_left_0(pInputStream)
- else
- __get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while(pInputStream)
- } else {
- if (nbits_left == 0)
- __get_next_code_second_nbits_left_0(pInputStream)
- else
- __get_next_code_second_nbits_left_not_0(pInputStream)
-
- __get_next_code_second_while(pInputStream)
- }
- } while (c == clear);
-
- if (c == ending) {
- break;
- }
-
- if (c >= slot) {
- c = 0;
- }
-
- oc = fc = c;
-
- *sp++ = (unsigned char)c;
- } else {
- code = c;
-
- if (code >= slot) {
- code = oc;
- *sp++ = (unsigned char)fc;
- }
-
- while (code >= newcodes) {
- *sp++ = suffix[code];
- code = prefix[code];
- }
-
- *sp++ = (unsigned char)code;
- spCount++;
- if (slot < top_slot) {
- fc = code;
- suffix[slot] = (unsigned char)fc;
- prefix[slot++] = oc;
- oc = c;
- }
- if (slot >= top_slot) {
- if (curr_size < 12) {
- top_slot <<= 1;
- ++curr_size;
- }
- }
- }
- }
- break;
-
- /* Restore to background color. The area used by the graphic must be restored to the background color. */
- case 2:
- while (rowcount < orghgt) {
- if ((sp - dstack) > 0) {
- spCount = sp - dstack;
- }
- while (sp > dstack) {
- --sp;
- *bufptr++ = *sp;
-
- if (--bufcnt == 0) {
- /********************************************************************************
- if ((ret = put_line(rowcount++, bufptr - buf, WDT, buf, pBitmapElem->pBits)) < 0)
- ********************************************************************************/
- rowcount++;
- len = bufptr - buf;
- if (len >= orgwdt) {
- len = orgwdt;
- }
-
- if (interLaced == 0) { /* interlaced image */
- if (!flag) {
- out_x = 0, out_y += dechgt;
- }
- } else { /* interlaced image */
- if (inter_step == 1) {
- startloc += 8;
- } else if (inter_step == 2) {
- startloc += 8;
- } else if (inter_step == 3) {
- startloc += 4;
- } else if (inter_step == 4) {
- startloc += 2;
- }
-
- if (startloc >= orghgt + image_top_pos) {
- inter_step++;
- if (inter_step == 2) {
- startloc = 4 + image_top_pos;
- } else if (inter_step == 3) {
- startloc = 2+image_top_pos;
- } else if (inter_step == 4) {
- startloc = 1+image_top_pos;
- }
- }
- backGround = (unsigned int *)(pFrameData->pPrevImg + ((startloc * logi_wdt) << 2));
- /* gif to rgb 565 */
- if (flag) {
- pImage32 = (unsigned int *)(pDecBuf) + startloc * decwdt;
- } else {
- out_x = 0, out_y = startloc * dechgt;
- a_x = logi_wdt >> 2;
- b_x = ((logi_wdt*3) >> 2);
- c_x = logi_wdt>>2;
- d_x = ((logi_wdt*3) >> 2);
- if (out_y <= (logi_hgt >> 2)) {
- a_y = logi_hgt>>2;
- b_y = logi_hgt>>2;
- c_y = ((logi_hgt*3)>>2);
- d_y = ((logi_hgt*3)>>2);
- } else {
- if (((out_y % logi_hgt) - (logi_hgt >> 2)) > 0) {
- a_y = ((out_y/logi_hgt)+1) * logi_hgt + (logi_hgt >> 2);
- } else if (((out_y%logi_hgt) - (logi_hgt >> 2)) < 0 || !(out_y%logi_hgt)) {
- a_y = ((out_y/logi_hgt)) * logi_hgt + (logi_hgt >> 2);
- } else {
- a_y = out_y;
- }
-
- if (((out_y%logi_hgt) - ((logi_hgt*3) >> 2)) > 0) {
- c_y = ((out_y/logi_hgt+1) * logi_hgt + ((logi_hgt*3) >> 2));
- } else if (((out_y%logi_hgt) - ((logi_hgt*3) >> 2)) < 0 || !(out_y%logi_hgt)) {
- c_y = ((out_y/logi_hgt)) * logi_hgt + ((logi_hgt*3) >> 2);
- } else {
- c_y = out_y;
- }
- b_y = a_y, d_y = c_y;
- }
- }
- }
-
- if (transparent == 1) {
- if (flag) {
- for (i = 0; i < image_left_pos; i++) {
- *pImage32++ = backGround[i] << 2;
- }
- for (i = 0; i < len; i++) {
- val1 = buf[i] & (numcolors-1);
-
- if (val1 == transIndex) {
- *pImage32++ = backGround[i+image_left_pos] << 2;
- backGround[i+image_left_pos] = 0x1000000;
- } else {
- *pImage32++ = pDacbox[val1] << 2;
- backGround[i+image_left_pos] = 0x1000000;
- }
- }
- for (i = orgwdt+image_left_pos; i < logi_wdt; i++) {
- *pImage32++ = backGround[i] << 2;
- }
- } else {
- if (c_y < end) {
- d1 = a_y - out_y;
- d2 = c_y - out_y;
- if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
-
- for (i = 0; i < image_left_pos; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
- }
-
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i+image_left_pos];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i+image_left_pos];
- a_x += logi_wdt, c_x += logi_wdt;
- } else {
- *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
- *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- }
- if (0 <= d2 && d2 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i+image_left_pos];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i+image_left_pos];
- b_x += logi_wdt, d_x += logi_wdt;
- } else {
- *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
- *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- }
- backGround[i+image_left_pos] = 0x1000000;
- out_x += decwdt;
- }
-
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
- }
-
- if (!interLaced) {
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- } else if (0 <= d1 && d1 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i+image_left_pos];
- a_x += logi_wdt;
- } else {
- *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
- a_x += logi_wdt;
- }
- }
- if (0 <= d2 && d2 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i+image_left_pos];
- b_x += logi_wdt;
- } else {
- *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
- b_x += logi_wdt;
- }
- }
- backGround[i+image_left_pos] = 0x1000000;
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- if (!interLaced) {
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- }
- } else if (0 <= d2 && d2 < dechgt) {
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i+image_left_pos];
- c_x += logi_wdt;
- } else {
- *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
- c_x += logi_wdt;
- }
- }
- if (0 <= d2 && d2 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i+image_left_pos];
- d_x += logi_wdt;
- } else {
- *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
- d_x += logi_wdt;
- }
- }
- backGround[i+image_left_pos] = 0x1000000;
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- if (!interLaced) {
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- }
- }
- }
- } else {
- if (flag) {
- for (i = 0; i < image_left_pos; i++) {
- *pImage32++ = backGround[i]<<2;
- }
- for (i = 0; i < len; i++) {
- val1 = buf[i] & (numcolors-1);
- *pImage32++ = pDacbox[val1] << 2;
- backGround[i+image_left_pos] = backcolor888;
- }
- for (i = orgwdt+image_left_pos; i < logi_wdt; i++) {
- *pImage32++ = backGround[i] << 2;
- }
- } else {
- if (c_y < end) {
- d1 = a_y - out_y;
- d2 = c_y - out_y;
- if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
- *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
- a_x += logi_wdt, c_x += logi_wdt;
- backGround[i+image_left_pos] = backcolor888;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
- *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
- b_x += logi_wdt, d_x += logi_wdt;
- backGround[i+image_left_pos] = backcolor888;
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- if (!interLaced) {
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- } else if (0 <= d1 && d1 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
- a_x += logi_wdt;
- backGround[i+image_left_pos] = backcolor888;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
- b_x += logi_wdt;
- backGround[i+image_left_pos] = backcolor888;
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- if (!interLaced) {
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- }
- } else if (0 <= d2 && d2 < dechgt) {
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
- c_x += logi_wdt;
- backGround[i+image_left_pos] = backcolor888;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
- d_x += logi_wdt;
- backGround[i+image_left_pos] = backcolor888;
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- if (!interLaced) {
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- }
- }
- }
- }
-
- backGround += logi_wdt;
- bufptr = buf;
- bufcnt = orgwdt_1;
- }
- }
-
- if (rowcount == orghgt) {
- break;
- }
- /* __get_next_code(pInputStream) */
- if (navail_bytes < 2) {
- if (nbits_left == 0)
- __get_next_code_first_nbits_left_0(pInputStream)
- else
- __get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while(pInputStream)
- } else {
- if (nbits_left == 0)
- __get_next_code_second_nbits_left_0(pInputStream)
- else
- __get_next_code_second_nbits_left_not_0(pInputStream)
-
- __get_next_code_second_while(pInputStream)
- }
- if (c == ending) {
- break;
- }
-
- if (c == clear) {
- curr_size = size + 1;
- slot = newcodes;
- top_slot = 1 << curr_size;
-
- do {
- /* __get_next_code(pInputStream); */
- if (navail_bytes < 2) {
- if (nbits_left == 0)
- __get_next_code_first_nbits_left_0(pInputStream)
- else
- __get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while(pInputStream)
- } else {
- if (nbits_left == 0)
- __get_next_code_second_nbits_left_0(pInputStream)
- else
- __get_next_code_second_nbits_left_not_0(pInputStream)
-
- __get_next_code_second_while(pInputStream)
- }
- } while (c == clear);
-
- if (c == ending) {
- break;
- }
-
- if (c >= slot) {
- c = 0;
- }
-
- oc = fc = c;
-
- *sp++ = (unsigned char)c;
- } else {
- code = c;
-
- if (code >= slot) {
- code = oc;
- *sp++ = (unsigned char)fc;
- }
-
- while (code >= newcodes) {
- *sp++ = suffix[code];
- code = prefix[code];
- }
-
- *sp++ = (unsigned char)code;
- spCount++;
- if (slot < top_slot) {
- fc = code;
- suffix[slot] = (unsigned char)fc;
- prefix[slot++] = oc;
- oc = c;
- }
- if (slot >= top_slot) {
- if (curr_size < 12) {
- top_slot <<= 1;
- ++curr_size;
- }
- }
- }
-
- }
-
- break;
-
-
- /* No disposal specified. The decoder is not required to take any action */
- case 0:
-
- /* Do not dispose. The graphic is to be left in place. */
- case 1:
-
- default:
- while (rowcount < orghgt) {
- if ((sp - dstack) > 0) {
- spCount = sp - dstack;
- }
- /* Now that we've pushed the decoded string (in reverse order)
- * onto the stack, lets pop it off and put it into our decode
- * buffer... And when the decode buffer is full, write another
- * line...
- */
- while (sp > dstack) {
- --sp;
- *bufptr++ = *sp;
-
- if (--bufcnt == 0) {
- /**********************************************************************************
- if ((ret = put_line(rowcount++, bufptr - buf, WDT, buf, pBitmapElem->pBits)) < 0)
- **********************************************************************************/
- rowcount++;
- len = bufptr - buf;
- if (len >= orgwdt) {
- len = orgwdt;
- }
-
- if (interLaced == 0) { /* interlaced image */
- if (!flag) {
- out_x = 0, out_y += dechgt;
- }
- } else { /* interlaced image */
- if (inter_step == 1) {
- startloc += 8;
- intercount++;
- } else if (inter_step == 2) {
- startloc += 8;
- intercount++;
- } else if (inter_step == 3) {
- startloc += 4;
- intercount++;
- } else if (inter_step == 4) {
- startloc += 2;
- intercount++;
- }
-
- if (startloc >= orghgt+image_top_pos) {
- inter_step++;
- if (inter_step == 2) {
- startloc = 4+image_top_pos;
- } else if (inter_step == 3) {
- startloc = 2+image_top_pos;
- } else if (inter_step == 4) {
- startloc = 1+image_top_pos;
- }
- }
-
- backGround = (unsigned int *)(pFrameData->pPrevImg + ((startloc * logi_wdt) << 2));
- /* gif to rgb 565 */
- if (flag) {
- pImage32 = (unsigned int *)(pDecBuf) + startloc * decwdt;
- } else {
- out_x = 0, out_y = startloc * dechgt;
- a_x = logi_wdt >> 2;
- b_x = ((logi_wdt*3) >> 2);
- c_x = logi_wdt >> 2;
- d_x = ((logi_wdt*3) >> 2);
- if (out_y <= (logi_hgt >> 2)) {
- a_y = logi_hgt >> 2;
- b_y = logi_hgt >> 2;
- c_y = ((logi_hgt*3) >> 2);
- d_y = ((logi_hgt*3) >> 2);
- } else {
- if (((out_y%logi_hgt) - (logi_hgt >> 2)) > 0) {
- a_y = ((out_y/logi_hgt)+1) * logi_hgt + (logi_hgt >> 2);
- } else if (((out_y%logi_hgt) - (logi_hgt >> 2)) < 0 || !(out_y%logi_hgt)) {
- a_y = ((out_y/logi_hgt)) * logi_hgt + (logi_hgt >> 2);
- } else {
- a_y = out_y;
- }
-
- if (((out_y%logi_hgt) - ((logi_hgt*3) >> 2)) > 0) {
- c_y = ((out_y/logi_hgt+1) * logi_hgt + ((logi_hgt*3) >> 2));
- } else if (((out_y%logi_hgt) - ((logi_hgt*3) >> 2)) < 0 || !(out_y%logi_hgt)) {
- c_y = ((out_y/logi_hgt)) * logi_hgt + ((logi_hgt*3) >> 2);
- } else {
- c_y = out_y;
- }
- b_y = a_y, d_y = c_y;
- }
- }
- }
-
- if (transparent == 1) {
- if (flag) {
- for (i = 0; i < image_left_pos; i++) {
- *pImage32++ = backGround[i] << 2;
- }
- for (i = 0; i < len; i++) {
- val1 = buf[i] & (numcolors-1);
-
- if (val1 == transIndex) {
- *pImage32++ = backGround[i+image_left_pos] << 2; /* Set *pImage32 MSB 1 */
- } else {
- *pImage32++ = pDacbox[val1] << 2;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- }
- for (i = orgwdt+image_left_pos; i < logi_wdt; i++) {
- *pImage32++ = backGround[i] << 2;
- }
- } else {
- if (c_y < end) {
- d1 = a_y - out_y;
- d2 = c_y - out_y;
- if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
-
- for (i = 0; i < image_left_pos; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
- }
-
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i+image_left_pos];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i+image_left_pos];
- a_x += logi_wdt, c_x += logi_wdt;
- } else {
- *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
- *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
- a_x += logi_wdt, c_x += logi_wdt;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- }
- if (0 <= d2 && d2 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i+image_left_pos];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i+image_left_pos];
- b_x += logi_wdt, d_x += logi_wdt;
- } else {
- *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
- *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
- b_x += logi_wdt, d_x += logi_wdt;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- }
- out_x += decwdt;
- }
-
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
- }
-
- if (!interLaced) {
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- } else if (0 <= d1 && d1 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i+image_left_pos];
- a_x += logi_wdt;
- } else {
- *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
- a_x += logi_wdt;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- }
- if (0 <= d2 && d2 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i+image_left_pos];
- b_x += logi_wdt;
- } else {
- *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
- b_x += logi_wdt;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- if (!interLaced) {
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- }
- } else if (0 <= d2 && d2 < dechgt) {
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i+image_left_pos];
- c_x += logi_wdt;
- } else {
- *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
- c_x += logi_wdt;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- }
- if (0 <= d2 && d2 < decwdt) {
- if (val1 == transIndex) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i+image_left_pos];
- d_x += logi_wdt;
- } else {
- *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
- d_x += logi_wdt;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- if (!interLaced) {
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- }
- }
- }
- } else {
- if (flag) {
- for (i = 0; i < image_left_pos; i++) {
- *pImage32++ = backGround[i] << 2;
- }
- for (i = 0; i < len; i++) {
- val1 = buf[i] & (numcolors-1);
- *pImage32++ = pDacbox[val1] << 2;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- for (i = orgwdt+image_left_pos; i < logi_wdt; i++) {
- *pImage32++ = backGround[i] << 2;
- }
- } else {
- if (c_y < end) {
- d1 = a_y - out_y;
- d2 = c_y - out_y;
- if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
- *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
- a_x += logi_wdt, c_x += logi_wdt;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
- *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
- b_x += logi_wdt, d_x += logi_wdt;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- if (!interLaced) {
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- } else if (0 <= d1 && d1 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += pDacbox[val1];
- a_x += logi_wdt;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += pDacbox[val1];
- b_x += logi_wdt;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
- }
- if (!interLaced) {
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- }
- } else if (0 <= d2 && d2 < dechgt) {
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < image_left_pos; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- for (i = 0; i < orgwdt; i++) {
- val1 = buf[i] & (numcolors-1);
-
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += pDacbox[val1];
- c_x += logi_wdt;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += pDacbox[val1];
- d_x += logi_wdt;
- backGround[i+image_left_pos] = pDacbox[val1];
- }
- out_x += decwdt;
- }
- for (i = image_left_pos+orgwdt; i < logi_wdt; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
-
- }
- if (!interLaced) {
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- }
- }
- }
- }
-
- backGround += logi_wdt;
- bufptr = buf;
- bufcnt = orgwdt_1;
- }
- }
- if (rowcount == orghgt) {
- break;
- }
- /* __get_next_code(pInputStream) */
- if (navail_bytes < 2) {
- if (nbits_left == 0)
- __get_next_code_first_nbits_left_0(pInputStream)
- else
- __get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while(pInputStream)
- } else {
- if (nbits_left == 0)
- __get_next_code_second_nbits_left_0(pInputStream)
- else
- __get_next_code_second_nbits_left_not_0(pInputStream)
-
- __get_next_code_second_while(pInputStream)
- }
- if (c == ending) {
- break;
- }
-
- if (c == clear) {
- curr_size = size + 1;
- slot = newcodes;
- top_slot = 1 << curr_size;
-
- do {
- /* __get_next_code(pInputStream); */
- if (navail_bytes < 2) {
- if (nbits_left == 0)
- __get_next_code_first_nbits_left_0(pInputStream)
- else
- __get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while(pInputStream)
- } else {
- if (nbits_left == 0)
- __get_next_code_second_nbits_left_0(pInputStream)
- else
- __get_next_code_second_nbits_left_not_0(pInputStream)
-
- __get_next_code_second_while(pInputStream)
- }
- } while (c == clear);
-
- if (c == ending) {
- break;
- }
-
- if (c >= slot) {
- c = 0;
- }
-
- oc = fc = c;
-
- *sp++ = (unsigned char)c;
- } else {
- code = c;
-
- if (code >= slot) {
- code = oc;
- *sp++ = (unsigned char)fc;
- }
-
- while (code >= newcodes) {
- *sp++ = suffix[code];
- code = prefix[code];
- }
-
- *sp++ = (unsigned char)code;
- spCount++;
- if (slot < top_slot) {
- fc = code;
- suffix[slot] = (unsigned char)fc;
- prefix[slot++] = oc;
- oc = c;
- }
- if (slot >= top_slot) {
- if (curr_size < 12) {
- top_slot <<= 1;
- ++curr_size;
- }
- }
- }
- }
-
- break;
- }
-
- if (interLaced) {
- startloc = orghgt+image_top_pos;
- pImage32 = (unsigned int *)(pDecBuf) + startloc * decwdt;
- if (!flag) {
- out_x = 0, out_y = startloc * dechgt;
- a_x = logi_wdt >> 2;
- b_x = ((logi_wdt*3) >> 2);
- c_x = logi_wdt >> 2;
- d_x = ((logi_wdt*3) >> 2);
- if (out_y <= (logi_hgt >> 2)) {
- a_y = logi_hgt >> 2;
- b_y = logi_hgt >> 2;
- c_y = ((logi_hgt*3) >> 2);
- d_y = ((logi_hgt*3) >> 2);
- } else {
- if (((out_y%logi_hgt) - (logi_hgt >> 2)) > 0) {
- a_y = ((out_y/logi_hgt)+1) * logi_hgt + (logi_hgt >> 2);
- } else if (((out_y%logi_hgt) - (logi_hgt >> 2)) < 0 || !(out_y%logi_hgt)) {
- a_y = ((out_y/logi_hgt)) * logi_hgt + (logi_hgt >> 2);
- } else {
- a_y = out_y;
- }
-
- if (((out_y%logi_hgt) - ((logi_hgt*3) >> 2)) > 0) {
- c_y = ((out_y/logi_hgt+1) * logi_hgt + ((logi_hgt*3) >> 2));
- } else if (((out_y%logi_hgt) - ((logi_hgt*3) >> 2)) < 0 || !(out_y%logi_hgt)) {
- c_y = ((out_y/logi_hgt)) * logi_hgt + ((logi_hgt*3) >> 2);
- } else {
- c_y = out_y;
- }
- b_y = a_y, d_y = c_y;
- }
- }
- out_y -= dechgt;
- }
-
- backGround = (unsigned int *)(pFrameData->pPrevImg + (((image_top_pos+orghgt) * logi_wdt) << 2));
- for (rowcount = image_top_pos+orghgt; rowcount < logi_hgt; rowcount++) {
- if (flag) {
- for (i = 0; i < logi_wdt; i++) {
- *pImage32++ = backGround[i] << 2;
- }
- } else {
- out_x = 0, out_y += dechgt;
- if (c_y < end) {
- d1 = a_y - out_y;
- d2 = c_y - out_y;
- if ((0 <= d1 && d1 < dechgt) && 0 <= d2 && d2 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt, c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt, d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- } else if (0 <= d1 && d1 < dechgt) {
- pImage32 = (unsigned int *)(pDecBuf) + (a_y/logi_hgt) * decwdt;
- for (i = 0; i < logi_wdt; i++) {
- d1 = a_x - out_x;
- d2 = b_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32 + (a_x/logi_wdt)) += backGround[i];
- a_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32 + (b_x/logi_wdt)) += backGround[i];
- b_x += logi_wdt;
- }
- out_x += decwdt;
- }
- a_x = logi_wdt >> 2, a_y += logi_hgt;
- b_x = ((logi_wdt*3) >> 2), b_y += logi_hgt;
- } else if (0 <= d2 && d2 < dechgt) {
- pImage32_2 = (unsigned int *)(pDecBuf) + (c_y/logi_hgt) * decwdt;
- for (i = 0; i < logi_wdt; i++) {
- d1 = c_x - out_x;
- d2 = d_x - out_x;
- if (0 <= d1 && d1 < decwdt) {
- *(pImage32_2 + (c_x/logi_wdt)) += backGround[i];
- c_x += logi_wdt;
- }
- if (0 <= d2 && d2 < decwdt) {
- *(pImage32_2 + (d_x/logi_wdt)) += backGround[i];
- d_x += logi_wdt;
- }
- out_x += decwdt;
- }
- c_x = logi_wdt >> 2, c_y += logi_hgt;
- d_x = ((logi_wdt*3) >> 2), d_y += logi_hgt;
- }
- }
- }
- backGround += logi_wdt;
- }
-
- if (bCenterAlign) {
- margin_wdt1_2 = (expected_width - resized_width) >> 1;
- margin_hgt1_2 = (expected_height - resized_height) >> 1;
- } else {
- margin_wdt1_2 = 0;
- margin_hgt1_2 = 0;
- }
-
-
- /* 565 Conversion */
- pImage32 = (unsigned int *)(pDecBuf);
-
- for (i = 0, k = margin_hgt1_2; i < dechgt; i++) {
- pImage16 = (unsigned short *)((unsigned char *)pOutBits + ((margin_wdt1_2 + (expected_width) * k) << 1));
- for (j = 0; j < decwdt; j++) {
- if ((*pImage32>>24) == 0) {
- *(pImage16++) = ((*pImage32 & 0xf80000) >> 8) | ((*pImage32 & 0xfc00) >> 5) | ((*pImage32 & 0xf8) >> 3);
- } else if ((*pImage32 >> 24) == 1) {
- *(pImage16++) = (((*pImage32 & 0xf80000) >> 6) / 3) | (((*pImage32 & 0xfc00) >> 3)/3) | (((*pImage32 & 0xf8) >> 1)/3);
- } else if ((*pImage32 >> 24) == 2) {
- *(pImage16++) = ((*pImage32 & 0xf80000) >> 7) | ((*pImage32 & 0xfc00) >> 4) | ((*pImage32 & 0xf8) >> 2);
- } else {
- *(pImage16++) = ui_backcolor565;
- }
- pImage32++;
- }
- k++;
- }
-
- if (decoderline) {
- IfegMemFree(decoderline);
- decoderline = 0;
- }
- if (pDecBuf) {
- IfegMemFree(pDecBuf);
- pDecBuf = 0;
- }
-
- pFrameData->offset = inputPos;
- pFrameData->imgCount++;
-
- return 1;
-
- break;
-
- default:
- break;
-
- }
- }
-}
projects / platform / core / multimedia / libmedia-thumbnail.git / commitdiff