/*
- * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <dali/internal/imaging/common/gif-loading.h>
// EXTERNAL INCLUDES
-#include <sys/types.h>
-#include <sys/stat.h>
#include <fcntl.h>
-#include <unistd.h>
#include <gif_lib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
#include <cstring>
+#include <memory>
+
+#include <dali/devel-api/threading/mutex.h>
#include <dali/integration-api/debug.h>
-#include <dali/public-api/images/pixel-data.h>
#include <dali/internal/imaging/common/file-download.h>
#include <dali/internal/system/common/file-reader.h>
+#include <dali/public-api/images/pixel-data.h>
-#define IMG_TOO_BIG( w, h ) \
- ( ( static_cast<unsigned long long>(w) * static_cast<unsigned long long>(h) ) >= \
- ( (1ULL << (29 * (sizeof(void *) / 4))) - 2048) )
+#define IMG_TOO_BIG(w, h) \
+ ((static_cast<unsigned long long>(w) * static_cast<unsigned long long>(h)) >= \
+ ((1ULL << (29 * (sizeof(void*) / 4))) - 2048))
-#define LOADERR( x ) \
- do { \
- DALI_LOG_ERROR( x ); \
- goto on_error; \
- } while ( 0 )
+#define LOADERR(x) \
+ do \
+ { \
+ DALI_LOG_ERROR(x); \
+ goto on_error; \
+ } while(0)
namespace Dali
{
-
namespace Internal
{
-
namespace Adaptor
{
-
namespace
{
#if defined(DEBUG_ENABLED)
-Debug::Filter *gGifLoadingLogFilter = Debug::Filter::New( Debug::NoLogging, false, "LOG_GIF_LOADING" );
+Debug::Filter* gGifLoadingLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_GIF_LOADING");
#endif
-const int IMG_MAX_SIZE = 65000;
-constexpr size_t MAXIMUM_DOWNLOAD_IMAGE_SIZE = 50 * 1024 * 1024;
+const int IMG_MAX_SIZE = 65000;
+constexpr size_t MAXIMUM_DOWNLOAD_IMAGE_SIZE = 50 * 1024 * 1024;
#if GIFLIB_MAJOR < 5
-const int DISPOSE_BACKGROUND = 2; /* Set area too background color */
-const int DISPOSE_PREVIOUS = 3; /* Restore to previous content */
+const int DISPOSE_BACKGROUND = 2; /* Set area too background color */
+const int DISPOSE_PREVIOUS = 3; /* Restore to previous content */
#endif
struct FrameInfo
{
FrameInfo()
- : x( 0 ),
- y( 0 ),
- w( 0 ),
- h( 0 ),
- delay( 0 ),
- transparent( -1 ),
- dispose( DISPOSE_BACKGROUND ),
- interlace( 0 )
+ : x(0),
+ y(0),
+ w(0),
+ h(0),
+ delay(0),
+ transparent(-1),
+ dispose(DISPOSE_BACKGROUND),
+ interlace(0)
{
}
- int x, y, w, h;
- unsigned short delay; // delay time in 1/100ths of a sec
- short transparent : 10; // -1 == not, anything else == index
- short dispose : 6; // 0, 1, 2, 3 (others invalid)
- short interlace : 1; // interlaced or not
+ int x, y, w, h;
+ unsigned short delay; // delay time in 1/100ths of a sec
+ short transparent : 10; // -1 == not, anything else == index
+ short dispose : 6; // 0, 1, 2, 3 (others invalid)
+ short interlace : 1; // interlaced or not
};
struct ImageFrame
{
ImageFrame()
- : index( 0 ),
- data( nullptr ),
+ : index(0),
+ data(nullptr),
info(),
- loaded( false )
+ loaded(false)
{
}
~ImageFrame()
{
+ if(data != nullptr)
+ {
+ // De-allocate memory of the frame data.
+ delete[] data;
+ data = nullptr;
+ }
}
int index;
- uint32_t *data; /* frame decoding data */
- FrameInfo info; /* special image type info */
- bool loaded : 1;
+ uint32_t* data; /* frame decoding data */
+ FrameInfo info; /* special image type info */
+ bool loaded : 1;
};
struct GifAnimationData
{
GifAnimationData()
- : frames( ),
- frameCount( 0 ),
- loopCount( 0 ),
- currentFrame( 0 ),
- animated( false )
+ : frames(),
+ frameCount(0),
+ loopCount(0),
+ currentFrame(0),
+ animated(false)
{
}
std::vector<ImageFrame> frames;
- int frameCount;
- int loopCount;
- int currentFrame;
- bool animated;
+ int frameCount;
+ int loopCount;
+ int currentFrame;
+ bool animated;
};
+// Forward declaration
+struct GifAccessor;
+
struct LoaderInfo
{
LoaderInfo()
- : gif( nullptr ) ,
- imageNumber ( 0 )
{
}
struct FileData
{
FileData()
- : fileName( nullptr ),
- globalMap ( nullptr ),
- length( 0 ),
- isLocalResource( true )
+ : fileName(nullptr),
+ globalMap(nullptr),
+ length(0),
+ isLocalResource(true)
+ {
+ }
+
+ ~FileData()
{
+ if(globalMap)
+ {
+ free(globalMap);
+ globalMap = nullptr;
+ }
}
- const char *fileName; /**< The absolute path of the file. */
- unsigned char *globalMap ; /**< A pointer to the entire contents of the file that have been mapped with mmap(2). */
- long long length; /**< The length of the file in bytes. */
- bool isLocalResource; /**< The flag whether the file is a local resource */
+ bool LoadFile();
+
+ private:
+ bool LoadLocalFile();
+ bool LoadRemoteFile();
+
+ public:
+ const char* fileName; /**< The absolute path of the file. */
+ unsigned char* globalMap; /**< A pointer to the entire contents of the file */
+ long long length; /**< The length of the file in bytes. */
+ bool isLocalResource; /**< The flag whether the file is a local resource */
};
struct FileInfo
{
FileInfo()
- : map( nullptr ),
- position( 0 ),
- length( 0 )
+ : map(nullptr),
+ position(0),
+ length(0)
{
}
- unsigned char *map;
- int position, length; // yes - gif uses ints for file sizes.
+ unsigned char* map;
+ int position, length; // yes - gif uses ints for file sizes.
};
- FileData fileData;
- GifAnimationData animated;
- GifFileType *gif;
- int imageNumber;
- FileInfo fileInfo;
+ FileData fileData;
+ GifAnimationData animated;
+ std::unique_ptr<GifAccessor> gifAccessor{nullptr};
+ int imageNumber{0};
+ FileInfo fileInfo;
};
struct ImageProperties
{
- ImageProperties()
- : w( 0 ),
- h( 0 ),
- alpha( 0 )
+ unsigned int w{0};
+ unsigned int h{0};
+ bool alpha{0};
+};
+
+/**
+ * Class to access gif open/close using riaa
+ */
+struct GifAccessor
+{
+ /**
+ * Constructor
+ * @param[in,out] fileInfo Contains ptr to memory, and is updated by DGifOpen
+ */
+ GifAccessor(LoaderInfo::FileInfo& fileInfo)
+ {
+// actually ask libgif to open the file
+#if GIFLIB_MAJOR >= 5
+ gif = DGifOpen(&fileInfo, FileRead, NULL);
+#else
+ gif = DGifOpen(&fileInfo, FileRead);
+#endif
+
+ if(!gif)
+ {
+ DALI_LOG_ERROR("LOAD_ERROR_UNKNOWN_FORMAT\n");
+ }
+ }
+
+ ~GifAccessor()
+ {
+ if(gif)
+ {
+#if(GIFLIB_MAJOR > 5) || ((GIFLIB_MAJOR == 5) && (GIFLIB_MINOR >= 1))
+ DGifCloseFile(gif, NULL);
+#else
+ DGifCloseFile(gif);
+#endif
+ }
+ }
+
+ /**
+ * @brief Copy data from gif file into buffer.
+ *
+ * @param[in] gifFileType A pointer pointing to GIF File Type
+ * @param[out] buffer A pointer to buffer containing GIF raw data
+ * @param[in] len The length in bytes to be copied
+ * @return The data length of the image in bytes
+ */
+ static int FileRead(GifFileType* gifFileType, GifByteType* buffer, int length)
{
+ LoaderInfo::FileInfo* fi = reinterpret_cast<LoaderInfo::FileInfo*>(gifFileType->UserData);
+
+ if(fi->position >= fi->length)
+ {
+ return 0; // if at or past end - no
+ }
+ if((fi->position + length) >= fi->length)
+ {
+ length = fi->length - fi->position;
+ }
+ memcpy(buffer, fi->map + fi->position, length);
+ fi->position += length;
+ return length;
}
- unsigned int w;
- unsigned int h;
- bool alpha;
+ GifFileType* gif = nullptr;
};
+bool LoaderInfo::FileData::LoadFile()
+{
+ bool success = false;
+ if(isLocalResource)
+ {
+ success = LoadLocalFile();
+ }
+ else
+ {
+ success = LoadRemoteFile();
+ }
+ return success;
+}
+
+bool LoaderInfo::FileData::LoadLocalFile()
+{
+ Internal::Platform::FileReader fileReader(fileName);
+ FILE* fp = fileReader.GetFile();
+ if(fp == NULL)
+ {
+ return false;
+ }
+
+ if(fseek(fp, 0, SEEK_END) <= -1)
+ {
+ return false;
+ }
+
+ length = ftell(fp);
+ if(length <= -1)
+ {
+ return false;
+ }
+
+ if((!fseek(fp, 0, SEEK_SET)))
+ {
+ globalMap = reinterpret_cast<GifByteType*>(malloc(sizeof(GifByteType) * length));
+ length = fread(globalMap, sizeof(GifByteType), length, fp);
+ }
+ else
+ {
+ return false;
+ }
+ return true;
+}
+
+bool LoaderInfo::FileData::LoadRemoteFile()
+{
+ // remote file
+ bool succeeded = false;
+ Dali::Vector<uint8_t> dataBuffer;
+ size_t dataSize;
+
+ succeeded = TizenPlatform::Network::DownloadRemoteFileIntoMemory(fileName, dataBuffer, dataSize, MAXIMUM_DOWNLOAD_IMAGE_SIZE);
+ if(succeeded)
+ {
+ size_t blobSize = dataBuffer.Size();
+ if(blobSize > 0U)
+ {
+ // Open a file handle on the memory buffer:
+ Dali::Internal::Platform::FileReader fileReader(dataBuffer, blobSize);
+ FILE* const fp = fileReader.GetFile();
+ if(NULL != fp)
+ {
+ if((!fseek(fp, 0, SEEK_SET)))
+ {
+ globalMap = reinterpret_cast<GifByteType*>(malloc(sizeof(GifByteType) * blobSize));
+ length = fread(globalMap, sizeof(GifByteType), blobSize, fp);
+ succeeded = true;
+ }
+ else
+ {
+ DALI_LOG_ERROR("Error seeking within file\n");
+ }
+ }
+ else
+ {
+ DALI_LOG_ERROR("Error reading file\n");
+ }
+ }
+ }
+
+ return succeeded;
+}
+
/**
* @brief This combines R, G, B and Alpha values into a single 32-bit (ABGR) value.
*
* @param[in] index Frame index to be searched in GIF
* @return A pointer to the ImageFrame.
*/
-inline int CombinePixelABGR( int a, int r, int g, int b )
+inline int CombinePixelABGR(int a, int r, int g, int b)
{
- return ( ((a) << 24) + ((b) << 16) + ((g) << 8) + (r) );
+ return (((a) << 24) + ((b) << 16) + ((g) << 8) + (r));
}
-inline int PixelLookup( ColorMapObject *colorMap, int index )
+inline int PixelLookup(ColorMapObject* colorMap, int index)
{
- return CombinePixelABGR( 0xFF, colorMap->Colors[index].Red, colorMap->Colors[index].Green, colorMap->Colors[index].Blue );
+ return CombinePixelABGR(0xFF, colorMap->Colors[index].Red, colorMap->Colors[index].Green, colorMap->Colors[index].Blue);
}
/**
* @param[in] index Frame index to be searched in GIF
* @return A pointer to the ImageFrame.
*/
-ImageFrame *FindFrame( const GifAnimationData &animated, int index )
+ImageFrame* FindFrame(const GifAnimationData& animated, int index)
{
- for( auto &&elem : animated.frames )
+ for(auto&& elem : animated.frames)
{
- if( elem.index == index )
+ if(elem.index == index)
{
- return const_cast<ImageFrame *>( &elem );
+ return const_cast<ImageFrame*>(&elem);
}
}
return nullptr;
* @param[in] width Width of the image
* @param[in] height Height of the image
*/
-void FillImage( uint32_t *data, int row, uint32_t val, int x, int y, int width, int height )
+void FillImage(uint32_t* data, int row, uint32_t val, int x, int y, int width, int height)
{
- int xAxis, yAxis;
- uint32_t *pixelPosition;
+ int xAxis, yAxis;
+ uint32_t* pixelPosition;
- for( yAxis = 0; yAxis < height; yAxis++ )
+ for(yAxis = 0; yAxis < height; yAxis++)
{
pixelPosition = data + ((y + yAxis) * row) + x;
- for( xAxis = 0; xAxis < width; xAxis++ )
+ for(xAxis = 0; xAxis < width; xAxis++)
{
*pixelPosition = val;
pixelPosition++;
* @param[in] width Width of the image
* @param[in] height Height of the image
*/
-void FillFrame( uint32_t *data, int row, GifFileType *gif, FrameInfo *frameInfo, int x, int y, int w, int h )
+void FillFrame(uint32_t* data, int row, GifFileType* gif, FrameInfo* frameInfo, int x, int y, int w, int h)
{
// solid color fill for pre frame region
- if( frameInfo->transparent < 0 )
+ if(frameInfo->transparent < 0)
{
- ColorMapObject *colorMap;
- int backGroundColor;
+ ColorMapObject* colorMap;
+ int backGroundColor;
// work out color to use from colorMap
- if( gif->Image.ColorMap )
+ if(gif->Image.ColorMap)
{
colorMap = gif->Image.ColorMap;
}
}
backGroundColor = gif->SBackGroundColor;
// and do the fill
- FillImage( data, row,
- CombinePixelABGR( 0xff, colorMap->Colors[backGroundColor].Red,
- colorMap->Colors[backGroundColor].Green,
- colorMap->Colors[backGroundColor].Blue ),
- x, y, w, h );
+ FillImage(data, row, CombinePixelABGR(0xff, colorMap->Colors[backGroundColor].Red, colorMap->Colors[backGroundColor].Green, colorMap->Colors[backGroundColor].Blue), x, y, w, h);
}
// fill in region with 0 (transparent)
else
{
- FillImage( data, row, 0, x, y, w, h );
+ FillImage(data, row, 0, x, y, w, h);
}
}
* @param[in] gif A pointer pointing to GIF File Type
* @param[in] frameInfo A pointer pointing to Frame Information data
*/
-void StoreFrameInfo( GifFileType *gif, FrameInfo *frameInfo )
+void StoreFrameInfo(GifFileType* gif, FrameInfo* frameInfo)
{
- frameInfo->x = gif->Image.Left;
- frameInfo->y = gif->Image.Top;
- frameInfo->w = gif->Image.Width;
- frameInfo->h = gif->Image.Height;
+ frameInfo->x = gif->Image.Left;
+ frameInfo->y = gif->Image.Top;
+ frameInfo->w = gif->Image.Width;
+ frameInfo->h = gif->Image.Height;
frameInfo->interlace = gif->Image.Interlace;
}
* @param[in] width Width of the image
* @param[in] height Height of the image
*/
-void CheckTransparency( bool &full, FrameInfo *frameInfo, int width, int height )
+void CheckTransparency(bool& full, FrameInfo* frameInfo, int width, int height)
{
- if( ( frameInfo->x == 0 ) && ( frameInfo->y == 0 ) &&
- ( frameInfo->w == width ) && ( frameInfo->h == height ) )
+ if((frameInfo->x == 0) && (frameInfo->y == 0) &&
+ (frameInfo->w == width) && (frameInfo->h == height))
{
- if( frameInfo->transparent >= 0 )
+ if(frameInfo->transparent >= 0)
{
full = false;
}
/**
* @brief Fix coords and work out an x and y inset in orig data if out of image bounds.
*/
-void ClipCoordinates( int imageWidth, int imageHeight, int *xin, int *yin, int x0, int y0, int w0, int h0, int *x, int *y, int *w, int *h )
+void ClipCoordinates(int imageWidth, int imageHeight, int* xin, int* yin, int x0, int y0, int w0, int h0, int* x, int* y, int* w, int* h)
{
- if( x0 < 0 )
+ if(x0 < 0)
{
w0 += x0;
*xin = -x0;
- x0 = 0;
+ x0 = 0;
}
- if( (x0 + w0) > imageWidth )
+ if((x0 + w0) > imageWidth)
{
w0 = imageWidth - x0;
}
- if( y0 < 0 )
+ if(y0 < 0)
{
h0 += y0;
*yin = -y0;
- y0 = 0;
+ y0 = 0;
}
- if( (y0 + h0) > imageHeight )
+ if((y0 + h0) > imageHeight)
{
h0 = imageHeight - y0;
}
* @param[in] prevframe The previous frame
* @param[in] lastPreservedFrame The last preserved frame
*/
-void FlushFrames( GifAnimationData &animated, int width, int height, ImageFrame *thisframe, ImageFrame *prevframe, ImageFrame *lastPreservedFrame )
+void FlushFrames(GifAnimationData& animated, int width, int height, ImageFrame* thisframe, ImageFrame* prevframe, ImageFrame* lastPreservedFrame)
{
- DALI_LOG_INFO( gGifLoadingLogFilter, Debug::Concise, "FlushFrames() START \n" );
+ DALI_LOG_INFO(gGifLoadingLogFilter, Debug::Concise, "FlushFrames() START \n");
// target is the amount of memory we want to be under for stored frames
int total = 0, target = 512 * 1024;
// total up the amount of memory used by stored frames for this image
- for( auto &&frame : animated.frames )
+ for(auto&& frame : animated.frames)
{
- if( frame.data )
+ if(frame.data)
{
total++;
}
}
- total *= ( width * height * sizeof( uint32_t ) );
+ total *= (width * height * sizeof(uint32_t));
- DALI_LOG_INFO( gGifLoadingLogFilter, Debug::Concise, "Total used frame size: %d\n", total );
+ DALI_LOG_INFO(gGifLoadingLogFilter, Debug::Concise, "Total used frame size: %d\n", total);
// If we use more than target (512k) for frames - flush
- if( total > target )
+ if(total > target)
{
// Clean frames (except current and previous) until below target
- for( auto &&frame : animated.frames )
+ for(auto&& frame : animated.frames)
{
- if( (frame.index != thisframe->index) && (!prevframe || frame.index != prevframe->index) &&
- (!lastPreservedFrame || frame.index != lastPreservedFrame->index) )
+ if((frame.index != thisframe->index) && (!prevframe || frame.index != prevframe->index) &&
+ (!lastPreservedFrame || frame.index != lastPreservedFrame->index))
{
- if( frame.data != nullptr )
+ if(frame.data != nullptr)
{
delete[] frame.data;
frame.data = nullptr;
// subtract memory used and if below target - stop flush
- total -= ( width * height * sizeof( uint32_t ) );
- if( total < target )
+ total -= (width * height * sizeof(uint32_t));
+ if(total < target)
{
break;
}
}
}
- DALI_LOG_INFO( gGifLoadingLogFilter, Debug::Concise, "FlushFrames() END \n" );
+ DALI_LOG_INFO(gGifLoadingLogFilter, Debug::Concise, "FlushFrames() END \n");
}
/**
* @param[in] delay The frame delay of new frame
* @param[in] index The index of new frame
*/
-FrameInfo *NewFrame( GifAnimationData &animated, int transparent, int dispose, int delay, int index )
+FrameInfo* NewFrame(GifAnimationData& animated, int transparent, int dispose, int delay, int index)
{
ImageFrame frame;
frame.index = index;
// that frame is stored AT image/screen size
- animated.frames.push_back( frame );
+ animated.frames.push_back(frame);
- DALI_LOG_INFO( gGifLoadingLogFilter, Debug::Concise, "NewFrame: animated.frames.size() = %d\n", animated.frames.size() );
+ DALI_LOG_INFO(gGifLoadingLogFilter, Debug::Concise, "NewFrame: animated.frames.size() = %d\n", animated.frames.size());
- return &( animated.frames.back().info );
-}
-
-/**
- * @brief Copy data from gif file into buffer.
- *
- * @param[in] gifFileType A pointer pointing to GIF File Type
- * @param[out] buffer A pointer to buffer containing GIF raw data
- * @param[in] len The length in bytes to be copied
- * @return The data length of the image in bytes
- */
-int FileRead( GifFileType *gifFileType, GifByteType *buffer, int length )
-{
- LoaderInfo::FileInfo *fi = reinterpret_cast<LoaderInfo::FileInfo *>( gifFileType->UserData );
-
- if( fi->position >= fi->length )
- {
- return 0; // if at or past end - no
- }
- if( (fi->position + length) >= fi->length )
- {
- length = fi->length - fi->position;
- }
- memcpy( buffer, fi->map + fi->position, length );
- fi->position += length;
- return length;
+ return &(animated.frames.back().info);
}
/**
* @brief Decode a gif image into rows then expand to 32bit into the destination
* data pointer.
*/
-bool DecodeImage( GifFileType *gif, uint32_t *data, int rowpix, int xin, int yin,
- int transparent, int x, int y, int w, int h, bool fill )
+bool DecodeImage(GifFileType* gif, uint32_t* data, int rowpix, int xin, int yin, int transparent, int x, int y, int w, int h, bool fill)
{
- int intoffset[] = {0, 4, 2, 1};
- int intjump[] = {8, 8, 4, 2};
- int i, xx, yy, pix, gifW, gifH;
- GifRowType *rows = NULL;
- bool ret = false;
- ColorMapObject *colorMap;
- uint32_t *p;
+ int intoffset[] = {0, 4, 2, 1};
+ int intjump[] = {8, 8, 4, 2};
+ int i, xx, yy, pix, gifW, gifH;
+ GifRowType* rows = NULL;
+ bool ret = false;
+ ColorMapObject* colorMap;
+ uint32_t* p;
// what we need is image size.
- SavedImage *sp;
- sp = &gif->SavedImages[ gif->ImageCount - 1 ];
- if( !sp )
- {
- goto on_error;
- }
+ SavedImage* sp;
+ sp = &gif->SavedImages[gif->ImageCount - 1];
gifW = sp->ImageDesc.Width;
gifH = sp->ImageDesc.Height;
- if( ( gifW < w ) || ( gifH < h ) )
+ if((gifW < w) || (gifH < h))
{
- DALI_ASSERT_DEBUG( false && "Dimensions are bigger than the Gif image size");
+ DALI_LOG_ERROR("gifW : %d, w : %d, gifH : %d, h : %d\n", gifW, w, gifH, h);
+ DALI_ASSERT_DEBUG(false && "Dimensions are bigger than the Gif image size");
goto on_error;
}
// build a blob of memory to have pointers to rows of pixels
// AND store the decoded gif pixels (1 byte per pixel) as welll
- rows = static_cast<GifRowType *>(malloc( (gifH * sizeof(GifRowType) ) + ( gifW * gifH * sizeof(GifPixelType) )));
- if( !rows )
+ rows = static_cast<GifRowType*>(malloc((gifH * sizeof(GifRowType)) + (gifW * gifH * sizeof(GifPixelType))));
+ if(!rows)
{
goto on_error;
}
// fill in the pointers at the start
- for( yy = 0; yy < gifH; yy++ )
+ for(yy = 0; yy < gifH; yy++)
{
- rows[yy] = reinterpret_cast<unsigned char *>(rows) + (gifH * sizeof(GifRowType)) + (yy * gifW * sizeof(GifPixelType));
+ rows[yy] = reinterpret_cast<unsigned char*>(rows) + (gifH * sizeof(GifRowType)) + (yy * gifW * sizeof(GifPixelType));
}
// if gif is interlaced, walk interlace pattern and decode into rows
- if( gif->Image.Interlace )
+ if(gif->Image.Interlace)
{
- for( i = 0; i < 4; i++ )
+ for(i = 0; i < 4; i++)
{
- for( yy = intoffset[i]; yy < gifH; yy += intjump[i] )
+ for(yy = intoffset[i]; yy < gifH; yy += intjump[i])
{
- if( DGifGetLine( gif, rows[yy], gifW ) != GIF_OK )
+ if(DGifGetLine(gif, rows[yy], gifW) != GIF_OK)
{
goto on_error;
}
// normal top to bottom - decode into rows
else
{
- for( yy = 0; yy < gifH; yy++ )
+ for(yy = 0; yy < gifH; yy++)
{
- if( DGifGetLine( gif, rows[yy], gifW ) != GIF_OK )
+ if(DGifGetLine(gif, rows[yy], gifW) != GIF_OK)
{
goto on_error;
}
}
// work out what colormap to use
- if( gif->Image.ColorMap )
+ if(gif->Image.ColorMap)
{
colorMap = gif->Image.ColorMap;
}
}
// if we need to deal with transparent pixels at all...
- if( transparent >= 0 )
+ if(transparent >= 0)
{
// if we are told to FILL (overwrite with transparency kept)
- if( fill )
+ if(fill)
{
- for( yy = 0; yy < h; yy++ )
+ for(yy = 0; yy < h; yy++)
{
p = data + ((y + yy) * rowpix) + x;
- for( xx = 0; xx < w; xx++ )
+ for(xx = 0; xx < w; xx++)
{
pix = rows[yin + yy][xin + xx];
- if( pix != transparent )
+ if(pix != transparent)
{
- *p = PixelLookup( colorMap, pix );
+ *p = PixelLookup(colorMap, pix);
}
else
{
// paste on top with transparent pixels untouched
else
{
- for( yy = 0; yy < h; yy++ )
+ for(yy = 0; yy < h; yy++)
{
p = data + ((y + yy) * rowpix) + x;
- for( xx = 0; xx < w; xx++ )
+ for(xx = 0; xx < w; xx++)
{
pix = rows[yin + yy][xin + xx];
- if( pix != transparent )
+ if(pix != transparent)
{
- *p = PixelLookup( colorMap, pix );
+ *p = PixelLookup(colorMap, pix);
}
p++;
}
else
{
// walk pixels without worring about transparency at all
- for( yy = 0; yy < h; yy++ )
+ for(yy = 0; yy < h; yy++)
{
p = data + ((y + yy) * rowpix) + x;
- for( xx = 0; xx < w; xx++ )
+ for(xx = 0; xx < w; xx++)
{
pix = rows[yin + yy][xin + xx];
- *p = PixelLookup( colorMap, pix );
+ *p = PixelLookup(colorMap, pix);
p++;
}
}
ret = true;
on_error:
- if( rows )
+ if(rows)
{
- free( rows );
+ free(rows);
}
return ret;
}
* @param[out] error Error code
* @return The true or false whether reading was successful or not.
*/
-bool ReadHeader( LoaderInfo &loaderInfo,
- ImageProperties &prop, //output struct
- int *error )
+bool ReadHeader(LoaderInfo& loaderInfo,
+ ImageProperties& prop, //output struct
+ int* error)
{
- GifAnimationData &animated = loaderInfo.animated;
- LoaderInfo::FileData &fileData = loaderInfo.fileData;
- bool ret = false;
- LoaderInfo::FileInfo fileInfo;
- GifRecordType rec;
- GifFileType *gif = NULL;
+ GifAnimationData& animated = loaderInfo.animated;
+ LoaderInfo::FileData& fileData = loaderInfo.fileData;
+ bool success = false;
+ LoaderInfo::FileInfo fileInfo;
+ GifRecordType rec;
+
// it is possible which gif file have error midle of frames,
// in that case we should play gif file until meet error frame.
- int imageNumber = 0;
- int loopCount = -1;
- FrameInfo *frameInfo = NULL;
- bool full = true;
+ int imageNumber = 0;
+ int loopCount = -1;
+ FrameInfo* frameInfo = NULL;
+ bool full = true;
- if( fileData.isLocalResource )
+ success = fileData.LoadFile();
+ if(!success || !fileData.globalMap)
{
- Internal::Platform::FileReader fileReader( fileData.fileName );
- FILE *fp = fileReader.GetFile();
- if( fp == NULL )
- {
- return false;
- }
-
- if( fseek( fp, 0, SEEK_END ) <= -1 )
- {
- return false;
- }
-
- fileData.length = ftell( fp );
- if( fileData.length <= -1 )
- {
- return false;
- }
-
- if( ( ! fseek( fp, 0, SEEK_SET ) ) )
- {
- fileData.globalMap = reinterpret_cast<GifByteType*>( malloc(sizeof( GifByteType ) * fileData.length ) );
- fileData.length = fread( fileData.globalMap, sizeof( GifByteType ), fileData.length, fp);
- fileInfo.map = fileData.globalMap;
- }
- else
- {
- return false;
- }
+ success = false;
+ DALI_LOG_ERROR("LOAD_ERROR_CORRUPT_FILE\n");
}
else
{
- // remote file
- bool succeeded;
- Dali::Vector<uint8_t> dataBuffer;
- size_t dataSize;
-
- succeeded = TizenPlatform::Network::DownloadRemoteFileIntoMemory( fileData.fileName, dataBuffer, dataSize,
- MAXIMUM_DOWNLOAD_IMAGE_SIZE );
- if( succeeded )
+ fileInfo.map = fileData.globalMap;
+ fileInfo.length = fileData.length;
+ fileInfo.position = 0;
+ GifAccessor gifAccessor(fileInfo);
+
+ if(gifAccessor.gif)
{
- size_t blobSize = dataBuffer.Size();
- if( blobSize > 0U )
+ // get the gif "screen size" (the actual image size)
+ prop.w = gifAccessor.gif->SWidth;
+ prop.h = gifAccessor.gif->SHeight;
+
+ // if size is invalid - abort here
+ if((prop.w < 1) || (prop.h < 1) || (prop.w > IMG_MAX_SIZE) || (prop.h > IMG_MAX_SIZE) || IMG_TOO_BIG(prop.w, prop.h))
{
- // Open a file handle on the memory buffer:
- Dali::Internal::Platform::FileReader fileReader( dataBuffer, blobSize );
- FILE * const fp = fileReader.GetFile();
- if ( NULL != fp )
+ if(IMG_TOO_BIG(prop.w, prop.h))
{
- if( ( ! fseek( fp, 0, SEEK_SET ) ) )
- {
- fileData.globalMap = reinterpret_cast<GifByteType*>( malloc(sizeof( GifByteType ) * blobSize ) );
- fileData.length = fread( fileData.globalMap, sizeof( GifByteType ), blobSize, fp);
- fileInfo.map = fileData.globalMap;
- }
- else
- {
- DALI_LOG_ERROR( "Error seeking within file\n" );
- }
+ success = false;
+ DALI_LOG_ERROR("LOAD_ERROR_RESOURCE_ALLOCATION_FAILED");
}
else
{
- DALI_LOG_ERROR( "Error reading file\n" );
+ success = false;
+ DALI_LOG_ERROR("LOAD_ERROR_GENERIC");
}
}
- }
- }
-
- if( !fileInfo.map )
- {
- LOADERR("LOAD_ERROR_CORRUPT_FILE");
- }
- fileInfo.length = fileData.length;
- fileInfo.position = 0;
-
-// actually ask libgif to open the file
-#if GIFLIB_MAJOR >= 5
- gif = DGifOpen( &fileInfo, FileRead, NULL );
-#else
- gif = DGifOpen( &fileInfo, FileRead );
-#endif
-
- if (!gif)
- {
- LOADERR("LOAD_ERROR_UNKNOWN_FORMAT");
- }
-
- // get the gif "screen size" (the actual image size)
- prop.w = gif->SWidth;
- prop.h = gif->SHeight;
-
- // if size is invalid - abort here
- if( (prop.w < 1) || (prop.h < 1) || (prop.w > IMG_MAX_SIZE) || (prop.h > IMG_MAX_SIZE) || IMG_TOO_BIG(prop.w, prop.h) )
- {
- if( IMG_TOO_BIG(prop.w, prop.h) )
- {
- LOADERR("LOAD_ERROR_RESOURCE_ALLOCATION_FAILED");
- }
- LOADERR("LOAD_ERROR_GENERIC");
- }
- // walk through gif records in file to figure out info
- do
- {
- if( DGifGetRecordType(gif, &rec) == GIF_ERROR )
- {
- // if we have a gif that ends part way through a sequence
- // (or animation) consider it valid and just break - no error
- if( imageNumber > 1 )
- {
- break;
- }
- LOADERR("LOAD_ERROR_UNKNOWN_FORMAT");
- }
-
- // get image description section
- if( rec == IMAGE_DESC_RECORD_TYPE )
- {
- int img_code;
- GifByteType *img;
-
- // get image desc
- if( DGifGetImageDesc(gif) == GIF_ERROR )
- {
- LOADERR("LOAD_ERROR_UNKNOWN_FORMAT");
- }
- // skip decoding and just walk image to next
- if( DGifGetCode(gif, &img_code, &img) == GIF_ERROR )
- {
- LOADERR("LOAD_ERROR_UNKNOWN_FORMAT");
- }
- // skip till next...
- while( img )
- {
- img = NULL;
- DGifGetCodeNext( gif, &img );
- }
- // store geometry in the last frame info data
- if( frameInfo )
- {
- StoreFrameInfo( gif, frameInfo );
- CheckTransparency( full, frameInfo, prop.w, prop.h );
- }
- // or if we dont have a frameInfo entry - create one even for stills
else
{
- // allocate and save frame with field data
- frameInfo = NewFrame( animated, -1, 0, 0, imageNumber + 1 );
- if (!frameInfo)
+ // walk through gif records in file to figure out info
+ success = true;
+ do
{
- LOADERR("LOAD_ERROR_RESOURCE_ALLOCATION_FAILED");
- }
- // store geometry info from gif image
- StoreFrameInfo( gif, frameInfo );
- // check for transparency/alpha
- CheckTransparency( full, frameInfo, prop.w, prop.h );
- }
- imageNumber++;
- }
- // we have an extension code block - for animated gifs for sure
- else if( rec == EXTENSION_RECORD_TYPE )
- {
- int ext_code;
- GifByteType *ext;
-
- ext = NULL;
- // get the first extension entry
- DGifGetExtension( gif, &ext_code, &ext );
- while( ext )
- {
- // graphic control extension - for animated gif data
- // and transparent index + flag
- if( ext_code == 0xf9 )
- {
- // create frame and store it in image
- int transparencyIndex = (ext[1] & 1) ? ext[4] : -1;
- int disposeMode = (ext[1] >> 2) & 0x7;
- int delay = (int(ext[3]) << 8) | int(ext[2]);
- frameInfo = NewFrame(animated, transparencyIndex, disposeMode, delay, imageNumber + 1);
- if( !frameInfo )
+ if(DGifGetRecordType(gifAccessor.gif, &rec) == GIF_ERROR)
{
- LOADERR("LOAD_ERROR_RESOURCE_ALLOCATION_FAILED");
+ // if we have a gif that ends part way through a sequence
+ // (or animation) consider it valid and just break - no error
+ if(imageNumber <= 1)
+ {
+ success = true;
+ }
+ else
+ {
+ success = false;
+ DALI_LOG_ERROR("LOAD_ERROR_UNKNOWN_FORMAT\n");
+ }
+ break;
}
- }
- // netscape extension indicating loop count.
- else if( ext_code == 0xff ) /* application extension */
- {
- if( !strncmp(reinterpret_cast<char *>(&ext[1]), "NETSCAPE2.0", 11) ||
- !strncmp(reinterpret_cast<char *>(&ext[1]), "ANIMEXTS1.0", 11) )
+
+ // get image description section
+ if(rec == IMAGE_DESC_RECORD_TYPE)
{
- ext = NULL;
- DGifGetExtensionNext( gif, &ext );
- if( ext[1] == 0x01 )
+ int img_code;
+ GifByteType* img;
+
+ // get image desc
+ if(DGifGetImageDesc(gifAccessor.gif) == GIF_ERROR)
+ {
+ success = false;
+ DALI_LOG_ERROR("LOAD_ERROR_UNKNOWN_FORMAT\n");
+ break;
+ }
+ // skip decoding and just walk image to next
+ if(DGifGetCode(gifAccessor.gif, &img_code, &img) == GIF_ERROR)
+ {
+ success = false;
+ DALI_LOG_ERROR("LOAD_ERROR_UNKNOWN_FORMAT\n");
+ break;
+ }
+ // skip till next...
+ while(img)
+ {
+ img = NULL;
+ DGifGetCodeNext(gifAccessor.gif, &img);
+ }
+ // store geometry in the last frame info data
+ if(frameInfo)
+ {
+ StoreFrameInfo(gifAccessor.gif, frameInfo);
+ CheckTransparency(full, frameInfo, prop.w, prop.h);
+ }
+ // or if we dont have a frameInfo entry - create one even for stills
+ else
{
- loopCount = (int(ext[3]) << 8) | int(ext[2]);
- if( loopCount > 0 )
+ // allocate and save frame with field data
+ frameInfo = NewFrame(animated, -1, 0, 0, imageNumber + 1);
+ if(!frameInfo)
{
- loopCount++;
+ success = false;
+ DALI_LOG_ERROR("LOAD_ERROR_RESOURCE_ALLOCATION_FAILED");
+ break;
}
+ // store geometry info from gif image
+ StoreFrameInfo(gifAccessor.gif, frameInfo);
+ // check for transparency/alpha
+ CheckTransparency(full, frameInfo, prop.w, prop.h);
}
+ imageNumber++;
}
- }
- // and continue onto the next extension entry
- ext = NULL;
- DGifGetExtensionNext( gif, &ext );
- }
- }
- } while( rec != TERMINATE_RECORD_TYPE );
+ // we have an extension code block - for animated gifs for sure
+ else if(rec == EXTENSION_RECORD_TYPE)
+ {
+ int ext_code;
+ GifByteType* ext = NULL;
- // if the gif main says we have more than one image or our image counting
- // says so, then this image is animated - indicate this
- if( (gif->ImageCount > 1) || (imageNumber > 1) )
- {
- animated.animated = 1;
- animated.loopCount = loopCount;
- }
- animated.frameCount = std::min( gif->ImageCount, imageNumber );
+ // get the first extension entry
+ DGifGetExtension(gifAccessor.gif, &ext_code, &ext);
+ while(ext)
+ {
+ // graphic control extension - for animated gif data
+ // and transparent index + flag
+ if(ext_code == 0xf9)
+ {
+ // create frame and store it in image
+ int transparencyIndex = (ext[1] & 1) ? ext[4] : -1;
+ int disposeMode = (ext[1] >> 2) & 0x7;
+ int delay = (int(ext[3]) << 8) | int(ext[2]);
+ frameInfo = NewFrame(animated, transparencyIndex, disposeMode, delay, imageNumber + 1);
+ if(!frameInfo)
+ {
+ success = false;
+ DALI_LOG_ERROR("LOAD_ERROR_RESOURCE_ALLOCATION_FAILED");
+ break;
+ }
+ }
+ // netscape extension indicating loop count.
+ else if(ext_code == 0xff) /* application extension */
+ {
+ if(!strncmp(reinterpret_cast<char*>(&ext[1]), "NETSCAPE2.0", 11) ||
+ !strncmp(reinterpret_cast<char*>(&ext[1]), "ANIMEXTS1.0", 11))
+ {
+ ext = NULL;
+ DGifGetExtensionNext(gifAccessor.gif, &ext);
+ if(ext[1] == 0x01)
+ {
+ loopCount = (int(ext[3]) << 8) | int(ext[2]);
+ if(loopCount > 0)
+ {
+ loopCount++;
+ }
+ }
+ }
+ }
- if( !full )
- {
- prop.alpha = 1;
- }
+ // and continue onto the next extension entry
+ ext = NULL;
+ DGifGetExtensionNext(gifAccessor.gif, &ext);
+ }
+ }
+ } while(rec != TERMINATE_RECORD_TYPE && success);
- animated.currentFrame = 1;
+ if(success)
+ {
+ // if the gif main says we have more than one image or our image counting
+ // says so, then this image is animated - indicate this
+ if((gifAccessor.gif->ImageCount > 1) || (imageNumber > 1))
+ {
+ animated.animated = 1;
+ animated.loopCount = loopCount;
+ }
+ animated.frameCount = std::min(gifAccessor.gif->ImageCount, imageNumber);
- // no errors in header scan etc. so set err and return value
- *error = 0;
- ret = true;
+ if(!full)
+ {
+ prop.alpha = 1;
+ }
-on_error: // jump here on any errors to clean up
-#if (GIFLIB_MAJOR > 5) || ((GIFLIB_MAJOR == 5) && (GIFLIB_MINOR >= 1))
- if( gif )
- {
- DGifCloseFile( gif, NULL );
- }
-#else
- if( gif )
- {
- DGifCloseFile( gif );
- }
-#endif
+ animated.currentFrame = 1;
- return ret;
+ // no errors in header scan etc. so set err and return value
+ *error = 0;
+ }
+ }
+ }
+ }
+ return success;
}
/**
* @brief Reader next frame of the gif file and populates structures accordingly.
*
- * @param[in] loaderInfo A LoaderInfo structure containing file descriptor and other data about GIF.
- * @param[in/out] prop A ImageProperties structure containing information about gif data.
+ * @param[in,out] loaderInfo A LoaderInfo structure containing file descriptor and other data about GIF.
+ * @param[in,out] prop A ImageProperties structure containing information about gif data.
* @param[out] pixels A pointer to buffer which will contain all pixel data of the frame on return.
* @param[out] error Error code
* @return The true or false whether reading was successful or not.
*/
-bool ReadNextFrame( LoaderInfo &loaderInfo, ImageProperties &prop, // use for w and h
- unsigned char *pixels, int *error )
+bool ReadNextFrame(LoaderInfo& loaderInfo, ImageProperties& prop, // use for w and h
+ unsigned char* pixels,
+ int* error)
{
- GifAnimationData &animated = loaderInfo.animated;
- LoaderInfo::FileData &fileData = loaderInfo.fileData;
- bool ret = false;
- GifRecordType rec;
- GifFileType *gif = NULL;
- int index = 0, imageNumber = 0;
- FrameInfo *frameInfo;
- ImageFrame *frame = NULL;
- ImageFrame *lastPreservedFrame = NULL;
+ GifAnimationData& animated = loaderInfo.animated;
+ LoaderInfo::FileData& fileData = loaderInfo.fileData;
+ bool ret = false;
+ GifRecordType rec;
+ int index = 0, imageNumber = 0;
+ FrameInfo* frameInfo;
+ ImageFrame* frame = NULL;
+ ImageFrame* lastPreservedFrame = NULL;
index = animated.currentFrame;
// if index is invalid for animated image - error out
- if ((animated.animated) && ((index <= 0) || (index > animated.frameCount)))
+ if((animated.animated) && ((index <= 0) || (index > animated.frameCount)))
{
- LOADERR("LOAD_ERROR_GENERIC");
+ DALI_LOG_ERROR("LOAD_ERROR_GENERIC");
+ return false;
}
// find the given frame index
- frame = FindFrame( animated, index );
- if( frame )
- {
- if( (frame->loaded) && (frame->data) )
- {
- // frame is already there and decoded - jump to end
- goto on_ok;
- }
- }
- else
+ frame = FindFrame(animated, index);
+ if(!frame)
{
- LOADERR("LOAD_ERROR_CORRUPT_FILE");
+ DALI_LOG_ERROR("LOAD_ERROR_CORRUPT_FILE\n");
+ return false;
}
-
-open_file:
- // actually ask libgif to open the file
- gif = loaderInfo.gif;
- if( !gif )
+ else if(!(frame->loaded) || !(frame->data))
{
- loaderInfo.fileInfo.map = fileData.globalMap ;
- if( !loaderInfo.fileInfo.map )
+ // if we want to go backwards, we likely need/want to re-decode from the
+ // start as we have nothing to build on. If there is a gif, imageNumber
+ // has been set already.
+ if(loaderInfo.gifAccessor && loaderInfo.imageNumber > 0)
{
- LOADERR("LOAD_ERROR_CORRUPT_FILE");
- }
- loaderInfo.fileInfo.length = fileData.length;
- loaderInfo.fileInfo.position = 0;
-
-#if GIFLIB_MAJOR >= 5
- gif = DGifOpen( &( loaderInfo.fileInfo ), FileRead, NULL );
-#else
- gif = DGifOpen( &( loaderInfo.fileInfo ), FileRead );
-#endif
- // if gif open failed... get out of here
- if( !gif )
- {
- LOADERR("LOAD_ERROR_UNKNOWN_FORMAT");
- }
- loaderInfo.gif = gif;
- loaderInfo.imageNumber = 1;
- }
-
- // if we want to go backwards, we likely need/want to re-decode from the
- // start as we have nothing to build on
- if( (index > 0) && (index < loaderInfo.imageNumber) && (animated.animated) )
- {
-#if (GIFLIB_MAJOR > 5) || ((GIFLIB_MAJOR == 5) && (GIFLIB_MINOR >= 1))
- if( loaderInfo.gif )
- DGifCloseFile( loaderInfo.gif, NULL );
-#else
- if( loaderInfo.gif )
- DGifCloseFile( loaderInfo.gif );
-#endif
- loaderInfo.gif = NULL;
- loaderInfo.imageNumber = 0;
- goto open_file;
- }
-
- // our current position is the previous frame we decoded from the file
- imageNumber = loaderInfo.imageNumber;
-
- // walk through gif records in file to figure out info
- do
- {
- if( DGifGetRecordType( gif, &rec ) == GIF_ERROR )
- {
- LOADERR("LOAD_ERROR_UNKNOWN_FORMAT");
+ if((index > 0) && (index < loaderInfo.imageNumber) && (animated.animated))
+ {
+ loaderInfo.gifAccessor.reset();
+ loaderInfo.imageNumber = 0;
+ }
}
- if( rec == EXTENSION_RECORD_TYPE )
+ // actually ask libgif to open the file
+ if(!loaderInfo.gifAccessor)
{
- int ext_code;
- GifByteType *ext = NULL;
- DGifGetExtension( gif, &ext_code, &ext );
-
- while( ext )
+ loaderInfo.fileInfo.map = fileData.globalMap;
+ loaderInfo.fileInfo.length = fileData.length;
+ loaderInfo.fileInfo.position = 0;
+ if(!loaderInfo.fileInfo.map)
{
- ext = NULL;
- DGifGetExtensionNext( gif, &ext );
+ DALI_LOG_ERROR("LOAD_ERROR_CORRUPT_FILE\n");
+ return false;
}
- }
- // get image description section
- else if( rec == IMAGE_DESC_RECORD_TYPE )
- {
- int xin = 0, yin = 0, x = 0, y = 0, w = 0, h = 0;
- int img_code;
- GifByteType *img;
- ImageFrame *previousFrame = NULL;
- ImageFrame *thisFrame = NULL;
-
- // get image desc
- if( DGifGetImageDesc(gif) == GIF_ERROR )
+ std::unique_ptr<GifAccessor> gifAccessor = std::make_unique<GifAccessor>(loaderInfo.fileInfo);
+ if(!gifAccessor->gif)
{
- LOADERR("LOAD_ERROR_UNKNOWN_FORMAT");
+ DALI_LOG_ERROR("LOAD_ERROR_UNKNOWN_FORMAT\n");
+ return false;
}
+ loaderInfo.gifAccessor = std::move(gifAccessor);
+ loaderInfo.imageNumber = 1;
+ }
- // get the previous frame entry AND the current one to fill in
- previousFrame = FindFrame(animated, imageNumber - 1);
- thisFrame = FindFrame(animated, imageNumber);
+ // our current position is the previous frame we decoded from the file
+ imageNumber = loaderInfo.imageNumber;
- // if we have a frame AND we're animated AND we have no data...
- if( (thisFrame) && (!thisFrame->data) && (animated.animated) )
+ // walk through gif records in file to figure out info
+ do
+ {
+ if(DGifGetRecordType(loaderInfo.gifAccessor->gif, &rec) == GIF_ERROR)
{
- bool first = false;
+ DALI_LOG_ERROR("LOAD_ERROR_UNKNOWN_FORMAT\n");
+ return false;
+ }
- // allocate it
- thisFrame->data = new uint32_t[prop.w * prop.h];
+ if(rec == EXTENSION_RECORD_TYPE)
+ {
+ int ext_code;
+ GifByteType* ext = NULL;
+ DGifGetExtension(loaderInfo.gifAccessor->gif, &ext_code, &ext);
- if( !thisFrame->data )
+ while(ext)
{
- LOADERR("LOAD_ERROR_RESOURCE_ALLOCATION_FAILED");
+ ext = NULL;
+ DGifGetExtensionNext(loaderInfo.gifAccessor->gif, &ext);
}
-
- // if we have no prior frame OR prior frame data... empty
- if( (!previousFrame) || (!previousFrame->data) )
+ }
+ // get image description section
+ else if(rec == IMAGE_DESC_RECORD_TYPE)
+ {
+ int xin = 0, yin = 0, x = 0, y = 0, w = 0, h = 0;
+ int img_code;
+ GifByteType* img;
+ ImageFrame* previousFrame = NULL;
+ ImageFrame* thisFrame = NULL;
+
+ // get image desc
+ if(DGifGetImageDesc(loaderInfo.gifAccessor->gif) == GIF_ERROR)
{
- first = true;
- frameInfo = &(thisFrame->info);
- memset( thisFrame->data, 0, prop.w * prop.h * sizeof(uint32_t) );
+ DALI_LOG_ERROR("LOAD_ERROR_UNKNOWN_FORMAT\n");
+ return false;
}
- // we have a prior frame to copy data from...
- else
+
+ // get the previous frame entry AND the current one to fill in
+ previousFrame = FindFrame(animated, imageNumber - 1);
+ thisFrame = FindFrame(animated, imageNumber);
+
+ // if we have a frame AND we're animated AND we have no data...
+ if((thisFrame) && (!thisFrame->data) && (animated.animated))
{
- frameInfo = &( previousFrame->info );
+ bool first = false;
- // fix coords of sub image in case it goes out...
- ClipCoordinates( prop.w, prop.h, &xin, &yin,
- frameInfo->x, frameInfo->y, frameInfo->w, frameInfo->h,
- &x, &y, &w, &h );
+ // allocate it
+ thisFrame->data = new uint32_t[prop.w * prop.h];
- // if dispose mode is not restore - then copy pre frame
- if( frameInfo->dispose != DISPOSE_PREVIOUS )
+ if(!thisFrame->data)
{
- memcpy( thisFrame->data, previousFrame->data, prop.w * prop.h * sizeof(uint32_t) );
+ DALI_LOG_ERROR("LOAD_ERROR_RESOURCE_ALLOCATION_FAILED");
+ return false;
}
- // if dispose mode is "background" then fill with bg
- if( frameInfo->dispose == DISPOSE_BACKGROUND )
+ // if we have no prior frame OR prior frame data... empty
+ if((!previousFrame) || (!previousFrame->data))
{
- FillFrame( thisFrame->data, prop.w, gif, frameInfo, x, y, w, h );
+ first = true;
+ frameInfo = &(thisFrame->info);
+ memset(thisFrame->data, 0, prop.w * prop.h * sizeof(uint32_t));
}
- else if( frameInfo->dispose == DISPOSE_PREVIOUS ) // GIF_DISPOSE_RESTORE
+ // we have a prior frame to copy data from...
+ else
{
- int prevIndex = 2;
- do
+ frameInfo = &(previousFrame->info);
+
+ // fix coords of sub image in case it goes out...
+ ClipCoordinates(prop.w, prop.h, &xin, &yin, frameInfo->x, frameInfo->y, frameInfo->w, frameInfo->h, &x, &y, &w, &h);
+
+ // if dispose mode is not restore - then copy pre frame
+ if(frameInfo->dispose != DISPOSE_PREVIOUS)
{
- // Find last preserved frame.
- lastPreservedFrame = FindFrame( animated, imageNumber - prevIndex );
- if( ! lastPreservedFrame )
- {
- LOADERR( "LOAD_ERROR_LAST_PRESERVED_FRAME_NOT_FOUND" );
- }
- prevIndex++;
- } while( lastPreservedFrame && lastPreservedFrame->info.dispose == DISPOSE_PREVIOUS );
+ memcpy(thisFrame->data, previousFrame->data, prop.w * prop.h * sizeof(uint32_t));
+ }
- if ( lastPreservedFrame )
+ // if dispose mode is "background" then fill with bg
+ if(frameInfo->dispose == DISPOSE_BACKGROUND)
+ {
+ FillFrame(thisFrame->data, prop.w, loaderInfo.gifAccessor->gif, frameInfo, x, y, w, h);
+ }
+ else if(frameInfo->dispose == DISPOSE_PREVIOUS) // GIF_DISPOSE_RESTORE
{
- memcpy( thisFrame->data, lastPreservedFrame->data, prop.w * prop.h * sizeof(uint32_t) );
+ int prevIndex = 2;
+ do
+ {
+ // Find last preserved frame.
+ lastPreservedFrame = FindFrame(animated, imageNumber - prevIndex);
+ if(!lastPreservedFrame)
+ {
+ DALI_LOG_ERROR("LOAD_ERROR_LAST_PRESERVED_FRAME_NOT_FOUND");
+ return false;
+ }
+ prevIndex++;
+ } while(lastPreservedFrame && lastPreservedFrame->info.dispose == DISPOSE_PREVIOUS);
+
+ if(lastPreservedFrame)
+ {
+ memcpy(thisFrame->data, lastPreservedFrame->data, prop.w * prop.h * sizeof(uint32_t));
+ }
}
}
+ // now draw this frame on top
+ frameInfo = &(thisFrame->info);
+ ClipCoordinates(prop.w, prop.h, &xin, &yin, frameInfo->x, frameInfo->y, frameInfo->w, frameInfo->h, &x, &y, &w, &h);
+ if(!DecodeImage(loaderInfo.gifAccessor->gif, thisFrame->data, prop.w, xin, yin, frameInfo->transparent, x, y, w, h, first))
+ {
+ DALI_LOG_ERROR("LOAD_ERROR_CORRUPT_FILE\n");
+ return false;
+ }
+
+ // mark as loaded and done
+ thisFrame->loaded = true;
+
+ FlushFrames(animated, prop.w, prop.h, thisFrame, previousFrame, lastPreservedFrame);
}
- // now draw this frame on top
- frameInfo = &( thisFrame->info );
- ClipCoordinates( prop.w, prop.h, &xin, &yin,
- frameInfo->x, frameInfo->y, frameInfo->w, frameInfo->h,
- &x, &y, &w, &h );
- if( !DecodeImage( gif, thisFrame->data, prop.w,
- xin, yin, frameInfo->transparent,
- x, y, w, h, first) )
+ // if we have a frame BUT the image is not animated. different
+ // path
+ else if((thisFrame) && (!thisFrame->data) && (!animated.animated))
{
- LOADERR("LOAD_ERROR_CORRUPT_FILE");
- }
+ // if we don't have the data decoded yet - decode it
+ if((!thisFrame->loaded) || (!thisFrame->data))
+ {
+ // use frame info but we WONT allocate frame pixels
+ frameInfo = &(thisFrame->info);
+ ClipCoordinates(prop.w, prop.h, &xin, &yin, frameInfo->x, frameInfo->y, frameInfo->w, frameInfo->h, &x, &y, &w, &h);
- // mark as loaded and done
- thisFrame->loaded = true;
+ // clear out all pixels
+ FillFrame(reinterpret_cast<uint32_t*>(pixels), prop.w, loaderInfo.gifAccessor->gif, frameInfo, 0, 0, prop.w, prop.h);
- FlushFrames( animated, prop.w, prop.h, thisFrame, previousFrame, lastPreservedFrame );
- }
- // if we have a frame BUT the image is not animated. different
- // path
- else if( (thisFrame) && (!thisFrame->data) && (!animated.animated) )
- {
- // if we don't have the data decoded yet - decode it
- if( (!thisFrame->loaded) || (!thisFrame->data) )
+ // and decode the gif with overwriting
+ if(!DecodeImage(loaderInfo.gifAccessor->gif, reinterpret_cast<uint32_t*>(pixels), prop.w, xin, yin, frameInfo->transparent, x, y, w, h, true))
+ {
+ DALI_LOG_ERROR("LOAD_ERROR_CORRUPT_FILE\n");
+ return false;
+ }
+
+ // mark as loaded and done
+ thisFrame->loaded = true;
+ }
+ // flush mem we don't need (at expense of decode cpu)
+ }
+ else
{
- // use frame info but we WONT allocate frame pixels
- frameInfo = &( thisFrame->info );
- ClipCoordinates( prop.w, prop.h, &xin, &yin,
- frameInfo->x, frameInfo->y, frameInfo->w, frameInfo->h,
- &x, &y, &w, &h );
-
- // clear out all pixels
- FillFrame( reinterpret_cast<uint32_t *>(pixels), prop.w, gif, frameInfo, 0, 0, prop.w, prop.h );
-
- // and decode the gif with overwriting
- if( !DecodeImage( gif, reinterpret_cast<uint32_t *>(pixels), prop.w,
- xin, yin, frameInfo->transparent, x, y, w, h, true) )
+ // skip decoding and just walk image to next
+ if(DGifGetCode(loaderInfo.gifAccessor->gif, &img_code, &img) == GIF_ERROR)
{
- LOADERR("LOAD_ERROR_CORRUPT_FILE");
+ DALI_LOG_ERROR("LOAD_ERROR_UNKNOWN_FORMAT\n");
+ return false;
}
- // mark as loaded and done
- thisFrame->loaded = true;
- }
- // flush mem we don't need (at expense of decode cpu)
- }
- else
- {
- // skip decoding and just walk image to next
- if( DGifGetCode( gif, &img_code, &img ) == GIF_ERROR )
- {
- LOADERR("LOAD_ERROR_UNKNOWN_FORMAT");
+ while(img)
+ {
+ img = NULL;
+ DGifGetCodeNext(loaderInfo.gifAccessor->gif, &img);
+ }
}
- while( img )
+ imageNumber++;
+ // if we found the image we wanted - get out of here
+ if(imageNumber > index)
{
- img = NULL;
- DGifGetCodeNext( gif, &img );
+ break;
}
}
+ } while(rec != TERMINATE_RECORD_TYPE);
- imageNumber++;
- // if we found the image we wanted - get out of here
- if( imageNumber > index )
- {
- break;
- }
- }
- } while( rec != TERMINATE_RECORD_TYPE );
-
- // if we are at the end of the animation or not animated, close file
- loaderInfo.imageNumber = imageNumber;
- if( (animated.frameCount <= 1) || (rec == TERMINATE_RECORD_TYPE) )
- {
-#if (GIFLIB_MAJOR > 5) || ((GIFLIB_MAJOR == 5) && (GIFLIB_MINOR >= 1))
- if( loaderInfo.gif )
- {
- DGifCloseFile( loaderInfo.gif, NULL );
- }
-#else
- if( loaderInfo.gif )
+ // if we are at the end of the animation or not animated, close file
+ loaderInfo.imageNumber = imageNumber;
+ if((animated.frameCount <= 1) || (rec == TERMINATE_RECORD_TYPE))
{
- DGifCloseFile( loaderInfo.gif );
+ loaderInfo.gifAccessor.reset();
+ loaderInfo.imageNumber = 0;
}
-#endif
-
- loaderInfo.gif = NULL;
- loaderInfo.imageNumber = 0;
}
-on_ok:
// no errors in header scan etc. so set err and return value
*error = 0;
- ret = true;
+ ret = true;
// if it was an animated image we need to copy the data to the
// pixels for the image from the frame holding the data
- if( animated.animated && frame->data )
+ if(animated.animated && frame->data)
{
- memcpy( pixels, frame->data, prop.w * prop.h * sizeof( uint32_t ) );
+ memcpy(pixels, frame->data, prop.w * prop.h * sizeof(uint32_t));
}
-on_error: // jump here on any errors to clean up
return ret;
}
struct GifLoading::Impl
{
public:
- Impl( const std::string& url, bool isLocalResource )
- : mUrl( url )
+ Impl(const std::string& url, bool isLocalResource)
+ : mUrl(url),
+ mLoadSucceeded(true),
+ mMutex()
{
- loaderInfo.gif = nullptr;
+ loaderInfo.gifAccessor = nullptr;
int error;
- loaderInfo.fileData.fileName = mUrl.c_str();
+ loaderInfo.fileData.fileName = mUrl.c_str();
loaderInfo.fileData.isLocalResource = isLocalResource;
- ReadHeader( loaderInfo, imageProperties, &error );
+ mLoadSucceeded = ReadHeader(loaderInfo, imageProperties, &error);
}
// Moveable but not copyable
+ Impl(const Impl&) = delete;
+ Impl& operator=(const Impl&) = delete;
+ Impl(Impl&&) = default;
+ Impl& operator=(Impl&&) = default;
- Impl( const Impl& ) = delete;
- Impl& operator=( const Impl& ) = delete;
- Impl( Impl&& ) = default;
- Impl& operator=( Impl&& ) = default;
-
- ~Impl()
- {
- if( loaderInfo.fileData.globalMap )
- {
- free( loaderInfo.fileData.globalMap );
- loaderInfo.fileData.globalMap = nullptr;
- }
-
- // Delete all image frames
- for( auto &&frame : loaderInfo.animated.frames )
- {
- if( frame.data != nullptr )
- {
- // De-allocate memory of the frame data.
- delete[] frame.data;
- frame.data = nullptr;
- }
- }
- }
-
- std::string mUrl;
- LoaderInfo loaderInfo;
+ std::string mUrl;
+ LoaderInfo loaderInfo;
ImageProperties imageProperties;
+ bool mLoadSucceeded;
+ Mutex mMutex;
};
-AnimatedImageLoadingPtr GifLoading::New( const std::string &url, bool isLocalResource )
+AnimatedImageLoadingPtr GifLoading::New(const std::string& url, bool isLocalResource)
{
- return AnimatedImageLoadingPtr( new GifLoading( url, isLocalResource ) );
+ return AnimatedImageLoadingPtr(new GifLoading(url, isLocalResource));
}
-GifLoading::GifLoading( const std::string &url, bool isLocalResource )
-: mImpl( new GifLoading::Impl( url, isLocalResource ) )
+GifLoading::GifLoading(const std::string& url, bool isLocalResource)
+: mImpl(new GifLoading::Impl(url, isLocalResource))
{
}
-
GifLoading::~GifLoading()
{
delete mImpl;
}
-bool GifLoading::LoadNextNFrames( uint32_t frameStartIndex, int count, std::vector<Dali::PixelData> &pixelData )
+bool GifLoading::LoadNextNFrames(uint32_t frameStartIndex, int count, std::vector<Dali::PixelData>& pixelData)
{
- int error;
+ int error;
bool ret = false;
+ if(!mImpl->mLoadSucceeded)
+ {
+ return false;
+ }
+
+ Mutex::ScopedLock lock(mImpl->mMutex);
+ if(!mImpl->mLoadSucceeded)
+ {
+ return false;
+ }
- const int bufferSize = mImpl->imageProperties.w * mImpl->imageProperties.h * sizeof( uint32_t );
+ const int bufferSize = mImpl->imageProperties.w * mImpl->imageProperties.h * sizeof(uint32_t);
- DALI_LOG_INFO( gGifLoadingLogFilter, Debug::Concise, "LoadNextNFrames( frameStartIndex:%d, count:%d )\n", frameStartIndex, count );
+ DALI_LOG_INFO(gGifLoadingLogFilter, Debug::Concise, "LoadNextNFrames( frameStartIndex:%d, count:%d )\n", frameStartIndex, count);
- for( int i = 0; i < count; ++i )
+ for(int i = 0; i < count; ++i)
{
- auto pixelBuffer = new unsigned char[ bufferSize ];
+ auto pixelBuffer = new unsigned char[bufferSize];
- mImpl->loaderInfo.animated.currentFrame = 1 + ( (frameStartIndex + i) % mImpl->loaderInfo.animated.frameCount );
+ mImpl->loaderInfo.animated.currentFrame = 1 + ((frameStartIndex + i) % mImpl->loaderInfo.animated.frameCount);
- if( ReadNextFrame( mImpl->loaderInfo, mImpl->imageProperties, pixelBuffer, &error ) )
+ if(ReadNextFrame(mImpl->loaderInfo, mImpl->imageProperties, pixelBuffer, &error))
{
- if( pixelBuffer )
+ if(pixelBuffer)
{
- pixelData.push_back( Dali::PixelData::New( pixelBuffer, bufferSize,
- mImpl->imageProperties.w, mImpl->imageProperties.h,
- Dali::Pixel::RGBA8888, Dali::PixelData::DELETE_ARRAY) );
+ pixelData.push_back(Dali::PixelData::New(pixelBuffer, bufferSize, mImpl->imageProperties.w, mImpl->imageProperties.h, Dali::Pixel::RGBA8888, Dali::PixelData::DELETE_ARRAY));
ret = true;
}
}
return ret;
}
-Dali::Devel::PixelBuffer GifLoading::LoadFrame( uint32_t frameIndex )
+Dali::Devel::PixelBuffer GifLoading::LoadFrame(uint32_t frameIndex)
{
- int error;
+ int error;
Dali::Devel::PixelBuffer pixelBuffer;
+ if(!mImpl->mLoadSucceeded)
+ {
+ return pixelBuffer;
+ }
- DALI_LOG_INFO( gGifLoadingLogFilter, Debug::Concise, "LoadFrame( frameIndex:%d )\n", frameIndex );
+ Mutex::ScopedLock lock(mImpl->mMutex);
+ DALI_LOG_INFO(gGifLoadingLogFilter, Debug::Concise, "LoadFrame( frameIndex:%d )\n", frameIndex);
- pixelBuffer = Dali::Devel::PixelBuffer::New( mImpl->imageProperties.w, mImpl->imageProperties.h, Dali::Pixel::RGBA8888 );
+ pixelBuffer = Dali::Devel::PixelBuffer::New(mImpl->imageProperties.w, mImpl->imageProperties.h, Dali::Pixel::RGBA8888);
- mImpl->loaderInfo.animated.currentFrame = 1 + ( frameIndex % mImpl->loaderInfo.animated.frameCount );
- ReadNextFrame( mImpl->loaderInfo, mImpl->imageProperties, pixelBuffer.GetBuffer(), &error );
+ mImpl->loaderInfo.animated.currentFrame = 1 + (frameIndex % mImpl->loaderInfo.animated.frameCount);
+ ReadNextFrame(mImpl->loaderInfo, mImpl->imageProperties, pixelBuffer.GetBuffer(), &error);
- if( error != 0 )
+ if(error != 0)
{
pixelBuffer = Dali::Devel::PixelBuffer();
}
ImageDimensions GifLoading::GetImageSize() const
{
- return ImageDimensions( mImpl->imageProperties.w, mImpl->imageProperties.h );
+ return ImageDimensions(mImpl->imageProperties.w, mImpl->imageProperties.h);
}
uint32_t GifLoading::GetImageCount() const
return mImpl->loaderInfo.animated.frameCount;
}
-uint32_t GifLoading::GetFrameInterval( uint32_t frameIndex ) const
+uint32_t GifLoading::GetFrameInterval(uint32_t frameIndex) const
{
return mImpl->loaderInfo.animated.frames[frameIndex].info.delay * 10;
}
return mImpl->mUrl;
}
+bool GifLoading::HasLoadingSucceeded() const
+{
+ return mImpl->mLoadSucceeded;
+}
+
} // namespace Adaptor
} // namespace Internal
-} // namespace Dali
\ No newline at end of file
+} // namespace Dali
projects / platform / core / uifw / dali-adaptor.git / blobdiff