/*
- * Copyright (c) 2022 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2024 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.
return ((xy << 15) + (xy << 7) + xy) >> 23;
}
+/// Helper macro define for glyph typesetter. It will reduce some duplicated code line.
+// clang-format off
+/**
+ * @brief Prepare decode glyph bitmap data. It must be call END_GLYPH_BITMAP end of same scope.
+ */
+#define BEGIN_GLYPH_BITMAP(data) \
+{ \
+ uint32_t glyphOffet = 0u; \
+ const bool useLocalScanline = data.glyphBitmap.compressionType != TextAbstraction::GlyphBufferData::CompressionType::NO_COMPRESSION; \
+ uint8_t* __restrict__ glyphScanline = useLocalScanline ? (uint8_t*)malloc(data.glyphBitmap.width * glyphPixelSize) : data.glyphBitmap.buffer; \
+ DALI_ASSERT_ALWAYS(glyphScanline && "Glyph scanline for buffer is null!");
+
+/**
+ * @brief Macro to skip useless line fast.
+ */
+#define SKIP_GLYPH_SCANLINE(skipLine) \
+if(useLocalScanline) \
+{ \
+ for(int32_t lineIndex = 0; lineIndex < skipLine; ++lineIndex) \
+ { \
+ TextAbstraction::GlyphBufferData::DecompressScanline(data.glyphBitmap, glyphScanline, glyphOffet); \
+ } \
+} \
+else \
+{ \
+ glyphScanline += skipLine * static_cast<int32_t>(data.glyphBitmap.width * glyphPixelSize); \
+}
+
+/**
+ * @brief Prepare scanline of glyph bitmap data per each lines. It must be call END_GLYPH_SCANLINE_DECODE end of same scope.
+ */
+#define BEGIN_GLYPH_SCANLINE_DECODE(data) \
+{ \
+ if(useLocalScanline) \
+ { \
+ TextAbstraction::GlyphBufferData::DecompressScanline(data.glyphBitmap, glyphScanline, glyphOffet); \
+ }
+
+/**
+ * @brief Finalize scanline of glyph bitmap data per each lines.
+ */
+#define END_GLYPH_SCANLINE_DECODE(data) \
+ if(!useLocalScanline) \
+ { \
+ glyphScanline += data.glyphBitmap.width * glyphPixelSize; \
+ } \
+} // For ensure that we call BEGIN_GLYPH_SCANLINE_DECODE before
+
+/**
+ * @brief Finalize decode glyph bitmap data.
+ */
+#define END_GLYPH_BITMAP() \
+ if(useLocalScanline) \
+ { \
+ free(glyphScanline); \
+ } \
+} // For ensure that we call BEGIN_GLYPH_BITMAP before
+
+// clang-format on
+/// Helper macro define end.
+
/**
* @brief Data struct used to set the buffer of the glyph's bitmap into the final bitmap's buffer.
*/
struct GlyphData
{
- Devel::PixelBuffer bitmapBuffer; ///< The buffer of the whole bitmap. The format is RGBA8888.
- Vector2* position; ///< The position of the glyph.
- TextAbstraction::FontClient::GlyphBufferData glyphBitmap; ///< The glyph's bitmap.
- uint32_t width; ///< The bitmap's width.
- uint32_t height; ///< The bitmap's height.
- int32_t horizontalOffset; ///< The horizontal offset to be added to the 'x' glyph's position.
- int32_t verticalOffset; ///< The vertical offset to be added to the 'y' glyph's position.
+ Devel::PixelBuffer bitmapBuffer; ///< The buffer of the whole bitmap. The format is RGBA8888.
+ Vector2* position; ///< The position of the glyph.
+ TextAbstraction::GlyphBufferData glyphBitmap; ///< The glyph's bitmap.
+ uint32_t width; ///< The bitmap's width.
+ uint32_t height; ///< The bitmap's height.
+ int32_t horizontalOffset; ///< The horizontal offset to be added to the 'x' glyph's position.
+ int32_t verticalOffset; ///< The vertical offset to be added to the 'y' glyph's position.
};
/**
// Whether the given glyph is a color one.
const bool isColorGlyph = data.glyphBitmap.isColorEmoji || data.glyphBitmap.isColorBitmap;
const uint32_t glyphPixelSize = Pixel::GetBytesPerPixel(data.glyphBitmap.format);
- const uint32_t glyphAlphaIndex = glyphPixelSize - 1u;
+ const uint32_t glyphAlphaIndex = (glyphPixelSize > 0u) ? glyphPixelSize - 1u : 0u;
// Determinate iterator range.
const int32_t lineIndexRangeMin = std::max(0, -yOffset);
const bool swapChannelsBR = Pixel::BGRA8888 == data.glyphBitmap.format;
- // Offset byte value of glyph bitmap.
- uint32_t glyphOffet = 0u;
-
- // Allocate scanline memory for glyph bitmap if we need.
- const bool useLocalScanline = data.glyphBitmap.compressionType != TextAbstraction::FontClient::GlyphBufferData::CompressionType::NO_COMPRESSION;
- uint8_t* __restrict__ glyphScanline = useLocalScanline ? (uint8_t*)malloc(data.glyphBitmap.width * glyphPixelSize) : data.glyphBitmap.buffer;
-
// Precalculate input color's packed result.
uint32_t packedInputColor = 0u;
uint8_t* __restrict__ packedInputColorBuffer = reinterpret_cast<uint8_t*>(&packedInputColor);
*(packedInputColorBuffer + 1u) = static_cast<uint8_t>(color->g * 255);
*(packedInputColorBuffer) = static_cast<uint8_t>(color->r * 255);
+ // Prepare glyph bitmap
+ BEGIN_GLYPH_BITMAP(data);
+
// Skip basic line of glyph.
- if(useLocalScanline)
- {
- for(int32_t lineIndex = 0; lineIndex < lineIndexRangeMin; ++lineIndex)
- {
- TextAbstraction::FontClient::GlyphBufferData::DecompressScanline(data.glyphBitmap, glyphScanline, glyphOffet);
- }
- }
- else
- {
- glyphScanline += lineIndexRangeMin * static_cast<int32_t>(data.glyphBitmap.width * glyphPixelSize);
- }
+ SKIP_GLYPH_SCANLINE(lineIndexRangeMin);
// Traverse the pixels of the glyph line per line.
if(isColorGlyph)
{
for(int32_t lineIndex = lineIndexRangeMin; lineIndex < lineIndexRangeMax; ++lineIndex)
{
- if(useLocalScanline)
- {
- TextAbstraction::FontClient::GlyphBufferData::DecompressScanline(data.glyphBitmap, glyphScanline, glyphOffet);
- }
+ BEGIN_GLYPH_SCANLINE_DECODE(data);
for(int32_t index = indexRangeMin; index < indexRangeMax; ++index)
{
}
bitmapBuffer += data.width;
- if(!useLocalScanline)
- {
- glyphScanline += data.glyphBitmap.width * glyphPixelSize;
- }
+
+ END_GLYPH_SCANLINE_DECODE(data);
}
}
else
{
for(int32_t lineIndex = lineIndexRangeMin; lineIndex < lineIndexRangeMax; ++lineIndex)
{
- if(useLocalScanline)
- {
- TextAbstraction::FontClient::GlyphBufferData::DecompressScanline(data.glyphBitmap, glyphScanline, glyphOffet);
- }
+ BEGIN_GLYPH_SCANLINE_DECODE(data);
for(int32_t index = indexRangeMin; index < indexRangeMax; ++index)
{
}
bitmapBuffer += data.width;
- if(!useLocalScanline)
- {
- glyphScanline += data.glyphBitmap.width * glyphPixelSize;
- }
+
+ END_GLYPH_SCANLINE_DECODE(data);
}
}
- if(useLocalScanline)
- {
- free(glyphScanline);
- }
+ END_GLYPH_BITMAP();
}
else // Pixel::L8
{
if(!isColorGlyph)
{
uint8_t* __restrict__ bitmapBuffer = data.bitmapBuffer.GetBuffer();
-
- // Offset byte value of glyph bitmap.
- uint32_t glyphOffet = 0u;
-
- // Allocate scanline memory for glyph bitmap if we need.
- const bool useLocalScanline = data.glyphBitmap.compressionType != TextAbstraction::FontClient::GlyphBufferData::CompressionType::NO_COMPRESSION;
- uint8_t* __restrict__ glyphScanline = useLocalScanline ? (uint8_t*)malloc(data.glyphBitmap.width * glyphPixelSize) : data.glyphBitmap.buffer;
-
// Skip basic line.
bitmapBuffer += (lineIndexRangeMin + yOffset) * static_cast<int32_t>(data.width);
+ // Prepare glyph bitmap
+ BEGIN_GLYPH_BITMAP(data);
+
// Skip basic line of glyph.
- if(useLocalScanline)
- {
- for(int32_t lineIndex = 0; lineIndex < lineIndexRangeMin; ++lineIndex)
- {
- TextAbstraction::FontClient::GlyphBufferData::DecompressScanline(data.glyphBitmap, glyphScanline, glyphOffet);
- }
- }
- else
- {
- glyphScanline += lineIndexRangeMin * static_cast<int32_t>(data.glyphBitmap.width * glyphPixelSize);
- }
+ SKIP_GLYPH_SCANLINE(lineIndexRangeMin);
// Traverse the pixels of the glyph line per line.
for(int32_t lineIndex = lineIndexRangeMin; lineIndex < lineIndexRangeMax; ++lineIndex)
{
- if(useLocalScanline)
- {
- TextAbstraction::FontClient::GlyphBufferData::DecompressScanline(data.glyphBitmap, glyphScanline, glyphOffet);
- }
+ BEGIN_GLYPH_SCANLINE_DECODE(data);
for(int32_t index = indexRangeMin; index < indexRangeMax; ++index)
{
}
bitmapBuffer += data.width;
- if(!useLocalScanline)
- {
- glyphScanline += data.glyphBitmap.width * glyphPixelSize;
- }
- }
- if(useLocalScanline)
- {
- free(glyphScanline);
+ END_GLYPH_SCANLINE_DECODE(data);
}
+
+ END_GLYPH_BITMAP();
}
}
}
projects / platform / core / uifw / dali-toolkit.git / blobdiff