/*
- * Copyright (c) 2022 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2023 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.
((1ULL << (29)) - 2048))
//extract multiple bytes integer , and saved in *data
-int extractMultiByteInteger(unsigned int* data, void* map, size_t length, size_t* position)
+int extractMultiByteInteger(uint32_t* data, const uint8_t* const& map, size_t length, size_t* position)
{
// the header field contains an image type indentifier of multi-byte length(TypeField), an octet of general header info(FixHeaderField)
//, a multi-byte width field(Width) and a multi-byte height field(Height) and so on.
// The actual organisation of the image data depends on the image type
// for Ext Headers flag (7th bit), 1 = More will follow, 0 = Last octet
// so in the for loop, if(buf & 0x80 == 0), loop will be exited
- int targetMultiByteInteger = 0, readBufCount;
- unsigned char buf;
+ int targetMultiByteInteger = 0, readBufCount;
+ uint8_t buf;
for(readBufCount = 0;;)
{
// for general width and height, if(buf & 0x80) == 0, then the next byte does not need to fetch again
// first step, readBufCount = 1 , read int(4 bytes) to buf, if buf & 0x80 !=0, the buf need to continue to fetch
// second step, readBufCount = 2, read next( 4 bytes) to buf, if buf & 0x80 == 0, then assigned the buf to target
- if((readBufCount++) == 4)
+ if(DALI_UNLIKELY((readBufCount++) == 4))
{
return -1;
}
- if(*position > length)
+ if(DALI_UNLIKELY(*position > length))
{
return -1;
}
- buf = reinterpret_cast<unsigned char*>(map)[(*position)++];
+ buf = map[(*position)++];
targetMultiByteInteger = (targetMultiByteInteger << 7) | (buf & 0x7f);
if((buf & 0x80) == 0)
}
// Calculate 4bit integer into 4byte integer
-constexpr std::uint32_t Calculate4BitTo4Byte(const std::uint8_t& input)
+constexpr uint32_t Calculate4BitTo4Byte(const uint8_t& input)
{
- std::uint32_t output = 0;
+ uint32_t output = 0;
#if DALI_BYTE_ORDER_BIG_ENDIAN
- output |= static_cast<std::uint32_t>(input & 0x08) << 21;
- output |= static_cast<std::uint32_t>(input & 0x04) << 14;
- output |= static_cast<std::uint32_t>(input & 0x02) << 7;
- output |= static_cast<std::uint32_t>(input & 0x01);
+ output |= static_cast<uint32_t>(input & 0x08) << 21;
+ output |= static_cast<uint32_t>(input & 0x04) << 14;
+ output |= static_cast<uint32_t>(input & 0x02) << 7;
+ output |= static_cast<uint32_t>(input & 0x01);
#else
- output |= static_cast<std::uint32_t>(input & 0x08) >> 3;
- output |= static_cast<std::uint32_t>(input & 0x04) << 6;
- output |= static_cast<std::uint32_t>(input & 0x02) << 15;
- output |= static_cast<std::uint32_t>(input & 0x01) << 24;
+ output |= static_cast<uint32_t>(input & 0x08) >> 3;
+ output |= static_cast<uint32_t>(input & 0x04) << 6;
+ output |= static_cast<uint32_t>(input & 0x02) << 15;
+ output |= static_cast<uint32_t>(input & 0x01) << 24;
#endif
return output * 0xff;
}
Calculate4BitTo4Byte(0x08), Calculate4BitTo4Byte(0x09), Calculate4BitTo4Byte(0x0a), Calculate4BitTo4Byte(0x0b),
Calculate4BitTo4Byte(0x0c), Calculate4BitTo4Byte(0x0d), Calculate4BitTo4Byte(0x0e), Calculate4BitTo4Byte(0x0f)};
// clang-format on
-} // end unnamed namespace
-bool LoadBitmapFromWbmp(const Dali::ImageLoader::Input& input, Dali::Devel::PixelBuffer& bitmap)
+bool LoadWbmpHeader(FILE* const fp, unsigned int& width, unsigned int& height, uint32_t& type, uint32_t& fsize, Dali::Vector<uint8_t>& map, size_t& position, bool loadHeaderOnly)
{
- FILE* const fp = input.file;
- if(fp == NULL)
+ if(DALI_UNLIKELY(fp == NULL))
{
DALI_LOG_ERROR("Error loading bitmap\n");
return false;
}
- Dali::Vector<unsigned char> map;
- size_t position = 0;
+ position = 0;
- std::uint32_t w, h;
- std::uint32_t type;
- std::uint32_t lineByteLength;
-
- if(fseek(fp, 0, SEEK_END))
+ uint32_t w, h;
+ if(DALI_UNLIKELY(fseek(fp, 0, SEEK_END)))
{
DALI_LOG_ERROR("Error seeking WBMP data\n");
return false;
}
long positionIndicator = ftell(fp);
- unsigned int fsize(0u);
+ fsize = 0u;
if(positionIndicator > -1L)
{
- fsize = static_cast<unsigned int>(positionIndicator);
+ fsize = static_cast<uint32_t>(positionIndicator);
}
- if(0u == fsize)
+ if(DALI_UNLIKELY(0u == fsize))
{
DALI_LOG_ERROR("Error: filesize is 0!\n");
return false;
}
- if(fseek(fp, 0, SEEK_SET))
+ if(DALI_UNLIKELY(fseek(fp, 0, SEEK_SET)))
{
DALI_LOG_ERROR("Error seeking WBMP data\n");
return false;
}
- if(fsize <= 4)
+ if(DALI_UNLIKELY(fsize <= 4))
{
- DALI_LOG_ERROR("Error: WBMP Raw Data Not Found!\n");
+ DALI_LOG_ERROR("Error: WBMP Raw Data Not Found! Maybe this image is not wbmp format. fileSize : %u\n", fsize);
return false;
}
- if(fsize > 4096 * 4096 * 4)
+ if(DALI_UNLIKELY(fsize > 4096 * 4096 * 4))
{
- DALI_LOG_ERROR("Error: WBMP size is too large!\n");
+ DALI_LOG_ERROR("Error: WBMP size is too large! fileSize : %u\n", fsize);
return false;
}
- map.ResizeUninitialized(fsize);
- if(fread(&map[0], 1, fsize, fp) != fsize)
+ // Read only 80 bytes if we are try to getting header file now.
+ // Else, read whole file data into map
+ uint32_t readDataSize = fsize;
+
+ if(loadHeaderOnly)
{
- DALI_LOG_WARNING("image file read opeation error!\n");
+ // type(1 byte) + fixedheader(1 byte) + width(uint) + height(uint)
+ uint32_t headerSize = 1 + 1 + 4 + 4; // 8 + 8 + 32 + 32;
+
+ readDataSize = std::min(headerSize, fsize);
+ }
+
+ map.ResizeUninitialized(fsize);
+ if(DALI_UNLIKELY(fread(&map[0], 1, readDataSize, fp) != readDataSize))
+ {
+ DALI_LOG_WARNING("image file read opeation error! fileSize : %u, readDataSize : %u\n", fsize, readDataSize);
return false;
}
- if(extractMultiByteInteger(&type, &map[0], fsize, &position) < 0)
+ const std::uint8_t* const inputBufferPtr = &map[0];
+
+ if(DALI_UNLIKELY(extractMultiByteInteger(&type, inputBufferPtr, readDataSize, &position) < 0))
{
+ DALI_LOG_ERROR("Error: unable to read type! Maybe this image is not wbmp format. fileSize : %u, readDataSize : %u\n", fsize, readDataSize);
return false;
}
position++; /* skipping one byte */
- if(extractMultiByteInteger(&w, &map[0], fsize, &position) < 0)
+ if(DALI_UNLIKELY(type != 0))
{
+ DALI_LOG_ERROR("Error: unknown wbmp format! Maybe this image is not wbmp format. type : %u, fileSize : %u, readDataSize : %u\n", type, fsize, readDataSize);
return false;
}
- if(extractMultiByteInteger(&h, &map[0], fsize, &position) < 0)
+ if(DALI_UNLIKELY(extractMultiByteInteger(&w, inputBufferPtr, readDataSize, &position) < 0))
{
+ DALI_LOG_ERROR("Error: can not read width! Maybe this image is not wbmp format. fileSize : %u, readDataSize : %u\n", fsize, readDataSize);
return false;
}
- if(type != 0)
+ if(DALI_UNLIKELY(extractMultiByteInteger(&h, inputBufferPtr, readDataSize, &position) < 0))
{
- DALI_LOG_ERROR("Unknown Format!\n");
+ DALI_LOG_ERROR("Error: can not read height! Maybe this image is not wbmp format. fileSize : %u, readDataSize : %u\n", fsize, readDataSize);
return false;
}
- if((w < 1) || (h < 1) || (w > IMG_MAX_SIZE) || (h > IMG_MAX_SIZE))
+ if(DALI_UNLIKELY((w < 1) || (h < 1) || (w > IMG_MAX_SIZE) || (h > IMG_MAX_SIZE)))
+ {
+ DALI_LOG_ERROR("Error: file size is not supported! Maybe this image is not wbmp format. fileSize : %u, readDataSize : %u, width : %u, height : %u\n", fsize, readDataSize, w, h);
+ return false;
+ }
+
+ width = w;
+ height = h;
+ return true;
+}
+} // end unnamed namespace
+
+bool LoadBitmapFromWbmp(const Dali::ImageLoader::Input& input, Dali::Devel::PixelBuffer& bitmap)
+{
+ FILE* const fp = input.file;
+
+ Dali::Vector<uint8_t> map;
+ uint32_t fsize;
+ size_t position = 0;
+ uint32_t w, h;
+ uint32_t type;
+ if(DALI_UNLIKELY(!LoadWbmpHeader(fp, w, h, type, fsize, map, position, false)))
{
+ DALI_LOG_ERROR("Error loading wbmp header\n");
return false;
}
- lineByteLength = (w + 7) >> 3;
+ uint32_t lineByteLength = (w + 7) >> 3;
+
// fsize was wrong! Load failed.
if(DALI_UNLIKELY(position + h * lineByteLength > fsize))
{
DALI_LOG_ERROR("Pixel infomation is bigger than file size! (%u + %u * %u > %u)\n", static_cast<std::uint32_t>(position), h, lineByteLength, fsize);
return false;
}
+ const uint8_t* const inputBufferPtr = &map[0];
// w >= 1 and h >= 1. So we can assume that outputPixels is not null.
auto outputPixels = (bitmap = Dali::Devel::PixelBuffer::New(w, h, Pixel::L8)).GetBuffer();
+
/**
* @code
* std::uint8_t* line = NULL;
* @endcode
*/
- const std::uint8_t* inputPixels = &map[0] + position;
- const std::uint32_t lineByteLengthWithoutPadding = w >> 3;
- const std::uint8_t linePadding = w & 0x07;
+ const uint8_t* inputPixels = inputBufferPtr + position;
+ const uint32_t lineBitLengthWithoutPadding = (w >> 3) << 3;
- for(std::uint32_t y = 0; y < h; y++)
+ for(uint32_t y = 0; y < h; ++y)
{
- for(std::uint32_t x = 0; x < lineByteLengthWithoutPadding; x++)
+ uint32_t x = 0;
+ if((reinterpret_cast<std::ptrdiff_t>(outputPixels) & (sizeof(uint32_t) - 1)) == 0)
{
- // memset whole 8 bits
- // outputPixels filled 4 bytes in one operation.
- // cachedCalculation4BitTo4ByteTable calculated in compile-time.
- *(reinterpret_cast<std::uint32_t*>(outputPixels + 0)) = cachedCalculation4BitTo4ByteTable[((*inputPixels) >> 4) & 0x0f];
- *(reinterpret_cast<std::uint32_t*>(outputPixels + 4)) = cachedCalculation4BitTo4ByteTable[(*inputPixels) & 0x0f];
- outputPixels += 8;
- ++inputPixels;
+ for(; x < lineBitLengthWithoutPadding; x += 8)
+ {
+ // memset whole 8 bits
+ // outputPixels filled 4 bytes in one operation.
+ // cachedCalculation4BitTo4ByteTable calculated in compile-time.
+ *(reinterpret_cast<uint32_t*>(outputPixels + 0)) = cachedCalculation4BitTo4ByteTable[((*inputPixels) >> 4) & 0x0f];
+ *(reinterpret_cast<uint32_t*>(outputPixels + 4)) = cachedCalculation4BitTo4ByteTable[(*inputPixels) & 0x0f];
+ outputPixels += 8;
+ ++inputPixels;
+ }
}
- if(linePadding > 0)
{
// memset linePadding bits naive.
- for(std::uint8_t x = 0; x < linePadding; ++x)
+ for(; x < w; ++x)
{
- const std::uint8_t offset = (0x07 - (x & 0x07));
- *outputPixels = ((*inputPixels) >> offset) & 1 ? 0xff : 0x00;
+ const uint8_t offset = (0x07 - (x & 0x07));
+ *outputPixels = ((*inputPixels) >> offset) & 1 ? 0xff : 0x00;
++outputPixels;
+ if(offset == 0)
+ {
+ ++inputPixels;
+ }
}
- ++inputPixels;
}
}
bool LoadWbmpHeader(const Dali::ImageLoader::Input& input, unsigned int& width, unsigned int& height)
{
FILE* const fp = input.file;
- if(fp == NULL)
- {
- DALI_LOG_ERROR("Error loading bitmap\n");
- return false;
- }
- Dali::Vector<unsigned char> map;
- size_t position = 0;
-
- unsigned int w, h;
- unsigned int type;
- if(fseek(fp, 0, SEEK_END))
- {
- DALI_LOG_ERROR("Error seeking WBMP data\n");
- return false;
- }
- long positionIndicator = ftell(fp);
-
- unsigned int fsize(0u);
- if(positionIndicator > -1L)
- {
- fsize = static_cast<unsigned int>(positionIndicator);
- }
-
- if(0u == fsize)
- {
- return false;
- }
-
- if(fseek(fp, 0, SEEK_SET))
- {
- DALI_LOG_ERROR("Error seeking WBMP data\n");
- return false;
- }
- if(fsize <= 4)
- {
- DALI_LOG_ERROR("Error: WBMP Raw Data Not Found!\n");
- return false;
- }
-
- // type(1 byte) + fixedheader(1 byte) + width(uint) + height(uint)
- unsigned int headerSize = 1 + 1 + 4 + 4; // 8 + 8 + 32 + 32;
- headerSize = std::min(headerSize, fsize);
- map.ResizeUninitialized(headerSize);
- if(fread(&map[0], 1, headerSize, fp) != headerSize)
- {
- DALI_LOG_WARNING("image file read opeation error!\n");
- return false;
- }
+ Dali::Vector<uint8_t> map;
+ size_t position = 0;
+ uint32_t type;
+ uint32_t fsize;
- if(extractMultiByteInteger(&type, &map[0], headerSize, &position) < 0)
- {
- DALI_LOG_ERROR("Error: unable to read type!\n");
- return false;
- }
- position++; /* skipping one byte */
- if(type != 0)
- {
- DALI_LOG_ERROR("Error: unknown format!\n");
- return false;
- }
- if(extractMultiByteInteger(&w, &map[0], headerSize, &position) < 0)
+ if(DALI_UNLIKELY(!LoadWbmpHeader(fp, width, height, type, fsize, map, position, true)))
{
- DALI_LOG_ERROR("Error: can not read width!\n");
- return false;
- }
- if(extractMultiByteInteger(&h, &map[0], headerSize, &position) < 0)
- {
- DALI_LOG_ERROR("Error: can not read height!\n");
+ DALI_LOG_ERROR("Error loading wbmp header! Maybe this image is not wbmp format.\n");
return false;
}
- if((w < 1) || (h < 1) || (w > IMG_MAX_SIZE) || (h > IMG_MAX_SIZE))
- {
- DALI_LOG_ERROR("Error: file size is not supported!\n");
- return false;
- }
-
- width = w;
- height = h;
return true;
}
projects / platform / core / uifw / dali-adaptor.git / blobdiff