/*
- * 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.
#include <dali-toolkit/internal/text/rendering/text-typesetter.h>
// EXTERNAL INCLUDES
+#include <cmath>
#include <dali/devel-api/text-abstraction/font-client.h>
+#include <dali/integration-api/debug.h>
+#include <dali/integration-api/trace.h>
#include <dali/public-api/common/constants.h>
+#include <dali/public-api/math/math-utils.h>
#include <memory.h>
// INTERNAL INCLUDES
{
namespace
{
+DALI_INIT_TRACE_FILTER(gTraceFilter, DALI_TRACE_TEXT_PERFORMANCE_MARKER, false);
+
const float HALF(0.5f);
const float ONE_AND_A_HALF(1.5f);
* @param y The value between [0..255]
* @return (x*y)/255
*/
-inline uint8_t MultiplyAndNormalizeColor(const uint8_t& x, const uint8_t& y) noexcept
+inline uint8_t MultiplyAndNormalizeColor(const uint8_t x, const uint8_t y) noexcept
{
const uint32_t xy = static_cast<const uint32_t>(x) * y;
return ((xy << 15) + (xy << 7) + xy) >> 23;
}
/**
+ * @brief Fast multiply & Summation & divide by 255.
+ *
+ * @param x1 The value between [0..255]
+ * @param y1 The value between [0..255]
+ * @param x2 The value between [0..255]
+ * @param y2 The value between [0..255]
+ * @return min(255, (x1*y1)/255 + (x2*y2)/255)
+ */
+inline uint8_t MultiplyAndSummationAndNormalizeColor(const uint8_t x1, const uint8_t y1, const uint8_t x2, const uint8_t y2) noexcept
+{
+ const uint32_t xy1 = static_cast<const uint32_t>(x1) * y1;
+ const uint32_t xy2 = static_cast<const uint32_t>(x2) * y2;
+ const uint32_t res = std::min(65025u, xy1 + xy2); // 65025 is 255 * 255.
+ return ((res + ((res + 257) >> 8)) >> 8); // fast divide by 255.
+}
+
+/// 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.
};
/**
* @param[in] style The style of the text.
* @param[in] pixelFormat The format of the pixel in the image that the text is rendered as (i.e. either Pixel::BGRA8888 or Pixel::L8).
*/
-void TypesetGlyph(GlyphData& data,
- const Vector2* const position,
- const Vector4* const color,
- Typesetter::Style style,
- Pixel::Format pixelFormat)
+void TypesetGlyph(GlyphData& __restrict__ data,
+ const Vector2* const __restrict__ position,
+ const Vector4* const __restrict__ color,
+ const Typesetter::Style style,
+ const Pixel::Format pixelFormat)
{
if((0u == data.glyphBitmap.width) || (0u == data.glyphBitmap.height))
{
// 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);
if(Pixel::RGBA8888 == pixelFormat)
{
- uint32_t* bitmapBuffer = reinterpret_cast<uint32_t*>(data.bitmapBuffer.GetBuffer());
+ uint32_t* __restrict__ bitmapBuffer = reinterpret_cast<uint32_t*>(data.bitmapBuffer.GetBuffer());
// Skip basic line.
bitmapBuffer += (lineIndexRangeMin + yOffset) * static_cast<int32_t>(data.width);
const bool swapChannelsBR = Pixel::BGRA8888 == data.glyphBitmap.format;
- // Pointer to the color glyph if there is one.
- const uint8_t* glyphBuffer = data.glyphBitmap.buffer;
-
// Precalculate input color's packed result.
- uint32_t packedInputColor = 0u;
- uint8_t* packedInputColorBuffer = reinterpret_cast<uint8_t*>(&packedInputColor);
+ uint32_t packedInputColor = 0u;
+ uint8_t* __restrict__ packedInputColorBuffer = reinterpret_cast<uint8_t*>(&packedInputColor);
*(packedInputColorBuffer + 3u) = static_cast<uint8_t>(color->a * 255);
*(packedInputColorBuffer + 2u) = static_cast<uint8_t>(color->b * 255);
*(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.
- glyphBuffer += (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)
{
+ BEGIN_GLYPH_SCANLINE_DECODE(data);
+
for(int32_t index = indexRangeMin; index < indexRangeMax; ++index)
{
const int32_t xOffsetIndex = xOffset + index;
// Retrieves the color from the color glyph.
- uint32_t packedColorGlyph = *(reinterpret_cast<const uint32_t*>(glyphBuffer + (index << 2)));
- uint8_t* packedColorGlyphBuffer = reinterpret_cast<uint8_t*>(&packedColorGlyph);
+ uint32_t packedColorGlyph = *(reinterpret_cast<const uint32_t*>(glyphScanline + (index << 2)));
+ uint8_t* __restrict__ packedColorGlyphBuffer = reinterpret_cast<uint8_t*>(&packedColorGlyph);
// Update the alpha channel.
const uint8_t colorAlpha = MultiplyAndNormalizeColor(*(packedInputColorBuffer + 3u), *(packedColorGlyphBuffer + 3u));
// Set the color into the final pixel buffer.
*(bitmapBuffer + xOffsetIndex) = packedColorGlyph;
}
+
bitmapBuffer += data.width;
- glyphBuffer += data.glyphBitmap.width * glyphPixelSize;
+
+ END_GLYPH_SCANLINE_DECODE(data);
}
}
else
{
for(int32_t lineIndex = lineIndexRangeMin; lineIndex < lineIndexRangeMax; ++lineIndex)
{
+ BEGIN_GLYPH_SCANLINE_DECODE(data);
+
for(int32_t index = indexRangeMin; index < indexRangeMax; ++index)
{
// Update the alpha channel.
- const uint8_t alpha = *(glyphBuffer + index * glyphPixelSize + glyphAlphaIndex);
+ const uint8_t alpha = *(glyphScanline + index * glyphPixelSize + glyphAlphaIndex);
// Copy non-transparent pixels only
if(alpha > 0u)
{
// Pack the given color into a 32bit buffer. The alpha channel will be updated later for each pixel.
// The format is RGBA8888.
- uint32_t packedColor = 0u;
- uint8_t* packedColorBuffer = reinterpret_cast<uint8_t*>(&packedColor);
+ uint32_t packedColor = 0u;
+ uint8_t* __restrict__ packedColorBuffer = reinterpret_cast<uint8_t*>(&packedColor);
// Color is pre-muliplied with its alpha.
*(packedColorBuffer + 3u) = MultiplyAndNormalizeColor(*(packedInputColorBuffer + 3u), currentAlpha);
}
}
}
+
bitmapBuffer += data.width;
- glyphBuffer += data.glyphBitmap.width * glyphPixelSize;
+
+ END_GLYPH_SCANLINE_DECODE(data);
}
}
+
+ END_GLYPH_BITMAP();
}
else // Pixel::L8
{
// Below codes required only if not color glyph.
if(!isColorGlyph)
{
- uint8_t* bitmapBuffer = data.bitmapBuffer.GetBuffer();
- const uint8_t* glyphBuffer = data.glyphBitmap.buffer;
-
+ uint8_t* __restrict__ bitmapBuffer = data.bitmapBuffer.GetBuffer();
// Skip basic line.
bitmapBuffer += (lineIndexRangeMin + yOffset) * static_cast<int32_t>(data.width);
- glyphBuffer += (lineIndexRangeMin) * static_cast<int32_t>(data.glyphBitmap.width) * glyphPixelSize;
+
+ // Prepare glyph bitmap
+ BEGIN_GLYPH_BITMAP(data);
+
+ // Skip basic line of glyph.
+ SKIP_GLYPH_SCANLINE(lineIndexRangeMin);
// Traverse the pixels of the glyph line per line.
for(int32_t lineIndex = lineIndexRangeMin; lineIndex < lineIndexRangeMax; ++lineIndex)
{
+ BEGIN_GLYPH_SCANLINE_DECODE(data);
+
for(int32_t index = indexRangeMin; index < indexRangeMax; ++index)
{
const int32_t xOffsetIndex = xOffset + index;
// Update the alpha channel.
- const uint8_t alpha = *(glyphBuffer + index * glyphPixelSize + glyphAlphaIndex);
+ const uint8_t alpha = *(glyphScanline + index * glyphPixelSize + glyphAlphaIndex);
// Copy non-transparent pixels only
if(alpha > 0u)
}
bitmapBuffer += data.width;
- glyphBuffer += data.glyphBitmap.width * glyphPixelSize;
+
+ END_GLYPH_SCANLINE_DECODE(data);
}
+
+ END_GLYPH_BITMAP();
}
}
}
/// Draws the specified underline color to the buffer
void DrawUnderline(
- const uint32_t& bufferWidth,
- const uint32_t& bufferHeight,
+ const uint32_t bufferWidth,
+ const uint32_t bufferHeight,
GlyphData& glyphData,
- const float& baseline,
- const float& currentUnderlinePosition,
- const float& maxUnderlineHeight,
- const float& lineExtentLeft,
- const float& lineExtentRight,
+ const float baseline,
+ const float currentUnderlinePosition,
+ const float maxUnderlineHeight,
+ const float lineExtentLeft,
+ const float lineExtentRight,
const UnderlineStyleProperties& commonUnderlineProperties,
const UnderlineStyleProperties& currentUnderlineProperties,
const LineRun& line)
for(uint32_t x = xRangeMin; x < xRangeMax; x++)
{
- if(dashGap == 0 && dashWidth > 0)
+ if(Dali::EqualsZero(dashGap) && dashWidth > 0)
{
// Note : this is same logic as bitmap[y][x] = underlineColor;
*(bitmapBuffer + x) = packedUnderlineColor;
/// Draws the background color to the buffer
void DrawBackgroundColor(
- Vector4 backgroundColor,
- const uint32_t& bufferWidth,
- const uint32_t& bufferHeight,
- GlyphData& glyphData,
- const float& baseline,
- const LineRun& line,
- const float& lineExtentLeft,
- const float& lineExtentRight)
+ Vector4 backgroundColor,
+ const uint32_t bufferWidth,
+ const uint32_t bufferHeight,
+ GlyphData& glyphData,
+ const float baseline,
+ const LineRun& line,
+ const float lineExtentLeft,
+ const float lineExtentRight)
{
const int32_t yRangeMin = std::max(0, static_cast<int32_t>(glyphData.verticalOffset + baseline - line.ascender));
const int32_t yRangeMax = std::min(static_cast<int32_t>(bufferHeight), static_cast<int32_t>(glyphData.verticalOffset + baseline - line.descender));
}
}
-Devel::PixelBuffer DrawGlyphsBackground(const ViewModel* model, Devel::PixelBuffer& buffer, const uint32_t& bufferWidth, const uint32_t& bufferHeight, bool ignoreHorizontalAlignment, int32_t horizontalOffset, int32_t verticalOffset)
+Devel::PixelBuffer DrawGlyphsBackground(const ViewModel* model, Devel::PixelBuffer& buffer, const uint32_t bufferWidth, const uint32_t bufferHeight, const bool ignoreHorizontalAlignment, const int32_t horizontalOffset, const int32_t verticalOffset)
{
// Retrieve lines, glyphs, positions and colors from the view model.
const Length modelNumberOfLines = model->GetNumberOfLines();
const Vector2* const positionBuffer = model->GetLayout();
const Vector4* const backgroundColorsBuffer = model->GetBackgroundColors();
const ColorIndex* const backgroundColorIndicesBuffer = model->GetBackgroundColorIndices();
+ const bool removeFrontInset = model->IsRemoveFrontInset();
+ const bool removeBackInset = model->IsRemoveBackInset();
const DevelText::VerticalLineAlignment::Type verLineAlign = model->GetVerticalLineAlignment();
}
// Calculate the positions of leftmost and rightmost glyphs in the current line
- if((position->x < left) || (backgroundColorIndex != prevBackgroundColorIndex))
+ if(removeFrontInset)
{
- left = position->x - glyphInfo->xBearing;
+ if((position->x < left) || (backgroundColorIndex != prevBackgroundColorIndex))
+ {
+ left = position->x;
+ }
+ }
+ else
+ {
+ const float originPositionLeft = position->x - glyphInfo->xBearing;
+ if((originPositionLeft < left) || (backgroundColorIndex != prevBackgroundColorIndex))
+ {
+ left = originPositionLeft;
+ }
}
- if(position->x + glyphInfo->width > right)
+ if(removeBackInset)
+ {
+ if(position->x + glyphInfo->width > right)
+ {
+ right = position->x + glyphInfo->width;
+ }
+ }
+ else
{
- right = position->x - glyphInfo->xBearing + glyphInfo->advance;
+ const float originPositionRight = position->x - glyphInfo->xBearing + glyphInfo->advance;
+ if(originPositionRight > right)
+ {
+ right = originPositionRight;
+ }
}
prevBackgroundColorIndex = backgroundColorIndex;
}
/// Draws the specified strikethrough color to the buffer
-void DrawStrikethrough(const uint32_t& bufferWidth,
- const uint32_t& bufferHeight,
+void DrawStrikethrough(const uint32_t bufferWidth,
+ const uint32_t bufferHeight,
GlyphData& glyphData,
- const float& baseline,
- const float& strikethroughStartingYPosition,
- const float& maxStrikethroughHeight,
- const float& lineExtentLeft,
- const float& lineExtentRight,
+ const float baseline,
+ const float strikethroughStartingYPosition,
+ const float maxStrikethroughHeight,
+ const float lineExtentLeft,
+ const float lineExtentRight,
const StrikethroughStyleProperties& commonStrikethroughProperties,
const StrikethroughStyleProperties& currentStrikethroughProperties,
const LineRun& line)
*
* @return An image buffer.
*/
-inline Devel::PixelBuffer CreateTransparentImageBuffer(const uint32_t& bufferWidth, const uint32_t& bufferHeight, const Pixel::Format& pixelFormat)
+inline Devel::PixelBuffer CreateTransparentImageBuffer(const uint32_t bufferWidth, const uint32_t bufferHeight, const Pixel::Format pixelFormat)
{
Devel::PixelBuffer imageBuffer = Devel::PixelBuffer::New(bufferWidth, bufferHeight, pixelFormat);
if(Pixel::RGBA8888 == pixelFormat)
{
const uint32_t bufferSizeInt = bufferWidth * bufferHeight;
- const uint32_t bufferSizeChar = sizeof(uint32_t) * bufferSizeInt;
+ const size_t bufferSizeChar = sizeof(uint32_t) * static_cast<std::size_t>(bufferSizeInt);
memset(imageBuffer.GetBuffer(), 0, bufferSizeChar);
}
else
{
- memset(imageBuffer.GetBuffer(), 0, bufferWidth * bufferHeight);
+ memset(imageBuffer.GetBuffer(), 0, static_cast<std::size_t>(bufferWidth * bufferHeight));
}
return imageBuffer;
* False if we store the combined image buffer result into bottomPixelBuffer.
*
*/
-void CombineImageBuffer(Devel::PixelBuffer& topPixelBuffer, Devel::PixelBuffer& bottomPixelBuffer, const uint32_t& bufferWidth, const uint32_t& bufferHeight, bool storeResultIntoTop)
+void CombineImageBuffer(Devel::PixelBuffer& __restrict__ topPixelBuffer, Devel::PixelBuffer& __restrict__ bottomPixelBuffer, const uint32_t bufferWidth, const uint32_t bufferHeight, bool storeResultIntoTop)
{
// Assume that we always combine two RGBA images
// Jump with 4bytes for optimize runtime.
const uint32_t bufferSizeInt = bufferWidth * bufferHeight;
- uint32_t* combinedBuffer = storeResultIntoTop ? topBuffer : bottomBuffer;
- uint8_t* topAlphaBufferPointer = reinterpret_cast<uint8_t*>(topBuffer) + 3;
+ uint32_t* __restrict__ combinedBuffer = storeResultIntoTop ? topBuffer : bottomBuffer;
+ uint8_t* __restrict__ topAlphaBufferPointer = reinterpret_cast<uint8_t*>(topBuffer) + 3;
for(uint32_t pixelIndex = 0; pixelIndex < bufferSizeInt; ++pixelIndex)
{
{
// At least one pixel is not fully opaque
// "Over" blend the the pixel from topBuffer with the pixel in bottomBuffer
- uint32_t blendedBottomBufferColor = *(bottomBuffer);
- uint8_t* blendedBottomBufferColorBuffer = reinterpret_cast<uint8_t*>(&blendedBottomBufferColor);
+ uint32_t blendedBottomBufferColor = *(bottomBuffer);
+ uint8_t* __restrict__ blendedBottomBufferColorBuffer = reinterpret_cast<uint8_t*>(&blendedBottomBufferColor);
blendedBottomBufferColorBuffer[0] = MultiplyAndNormalizeColor(blendedBottomBufferColorBuffer[0], 255 - topAlpha);
blendedBottomBufferColorBuffer[1] = MultiplyAndNormalizeColor(blendedBottomBufferColorBuffer[1], 255 - topAlpha);
return mModel;
}
+void Typesetter::SetFontClient(TextAbstraction::FontClient& fontClient)
+{
+ mFontClient = fontClient;
+}
+
PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirection::Type textDirection, RenderBehaviour behaviour, bool ignoreHorizontalAlignment, Pixel::Format pixelFormat)
{
+ Devel::PixelBuffer result = RenderWithPixelBuffer(size, textDirection, behaviour, ignoreHorizontalAlignment, pixelFormat);
+ PixelData pixelData = Devel::PixelBuffer::Convert(result);
+
+ return pixelData;
+}
+
+PixelData Typesetter::RenderWithCutout(const Vector2& size, Toolkit::DevelText::TextDirection::Type textDirection, Devel::PixelBuffer mask, RenderBehaviour behaviour, bool ignoreHorizontalAlignment, Pixel::Format pixelFormat, float originAlpha)
+{
+ Devel::PixelBuffer result = RenderWithPixelBuffer(size, textDirection, behaviour, ignoreHorizontalAlignment, pixelFormat);
+ SetMaskForImageBuffer(mask, result, size.width, size.height, originAlpha);
+
+ PixelData pixelData = Devel::PixelBuffer::Convert(result);
+
+ return pixelData;
+}
+
+Devel::PixelBuffer Typesetter::RenderWithPixelBuffer(const Vector2& size, Toolkit::DevelText::TextDirection::Type textDirection, RenderBehaviour behaviour, bool ignoreHorizontalAlignment, Pixel::Format pixelFormat)
+{
+ DALI_TRACE_SCOPE(gTraceFilter, "DALI_TEXT_RENDERING_TYPESETTER");
// @todo. This initial implementation for a TextLabel has only one visible page.
// Elides the text if needed.
- mModel->ElideGlyphs();
+ mModel->ElideGlyphs(mFontClient);
// Retrieves the layout size.
const Size& layoutSize = mModel->GetLayoutSize();
-
const int32_t outlineWidth = static_cast<int32_t>(mModel->GetOutlineWidth());
// Set the offset for the horizontal alignment according to the text direction and outline width.
int32_t penX = 0;
-
switch(mModel->GetHorizontalAlignment())
{
case HorizontalAlignment::BEGIN:
// Set the offset for the vertical alignment.
int32_t penY = 0u;
-
switch(mModel->GetVerticalAlignment())
{
case VerticalAlignment::TOP:
}
case VerticalAlignment::CENTER:
{
- penY = static_cast<int32_t>(0.5f * (size.height - layoutSize.height));
+ penY = static_cast<int32_t>(std::round(0.5f * (size.height - layoutSize.height)));
penY = penY < 0.f ? 0.f : penY;
+
break;
}
case VerticalAlignment::BOTTOM:
}
}
+ const bool isCutoutEnabled = mModel->IsCutoutEnabled();
+ if(isCutoutEnabled)
+ {
+ Vector2 offset = mModel->GetOffsetWithCutout();
+ penX = offset.x;
+ penY = offset.y;
+ }
+
// Generate the image buffers of the text for each different style first,
// then combine all of them together as one final image buffer. We try to
// do all of these in CPU only, so that once the final texture is generated,
const uint32_t bufferHeight = static_cast<uint32_t>(size.height);
const uint32_t bufferSizeInt = bufferWidth * bufferHeight;
- const uint32_t bufferSizeChar = sizeof(uint32_t) * bufferSizeInt;
+ const size_t bufferSizeChar = sizeof(uint32_t) * static_cast<std::size_t>(bufferSizeInt);
//Elided text in ellipsis at START could start on index greater than 0
auto startIndexOfGlyphs = mModel->GetStartIndexOfElidedGlyphs();
{
// Generate the outline if enabled
const uint16_t outlineWidth = mModel->GetOutlineWidth();
- if(outlineWidth != 0u && RENDER_OVERLAY_STYLE != behaviour)
+ const float outlineAlpha = mModel->GetOutlineColor().a;
+ if(outlineWidth != 0u && fabsf(outlineAlpha) > Math::MACHINE_EPSILON_1 && RENDER_OVERLAY_STYLE != behaviour)
{
// Create the image buffer for outline
Devel::PixelBuffer outlineImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_OUTLINE, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
+ const float& blurRadius = mModel->GetOutlineBlurRadius();
+
+ if(blurRadius > Math::MACHINE_EPSILON_1)
+ {
+ outlineImageBuffer.ApplyGaussianBlur(blurRadius);
+ }
+
// Combine the two buffers
CombineImageBuffer(imageBuffer, outlineImageBuffer, bufferWidth, bufferHeight, true);
}
- // @todo. Support shadow and underline for partial text later on.
+ // @todo. Support shadow for partial text later on.
// Generate the shadow if enabled
const Vector2& shadowOffset = mModel->GetShadowOffset();
- if(RENDER_OVERLAY_STYLE != behaviour && (fabsf(shadowOffset.x) > Math::MACHINE_EPSILON_1 || fabsf(shadowOffset.y) > Math::MACHINE_EPSILON_1))
+ const float shadowAlpha = mModel->GetShadowColor().a;
+ if(RENDER_OVERLAY_STYLE != behaviour && fabsf(shadowAlpha) > Math::MACHINE_EPSILON_1 && (fabsf(shadowOffset.x) > Math::MACHINE_EPSILON_1 || fabsf(shadowOffset.y) > Math::MACHINE_EPSILON_1))
{
// Create the image buffer for shadow
Devel::PixelBuffer shadowImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_SHADOW, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
CombineImageBuffer(imageBuffer, shadowImageBuffer, bufferWidth, bufferHeight, true);
}
- // Generate the underline if enabled
- const bool underlineEnabled = mModel->IsUnderlineEnabled();
- if(underlineEnabled && RENDER_OVERLAY_STYLE == behaviour)
- {
- // Create the image buffer for underline
- Devel::PixelBuffer underlineImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_UNDERLINE, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
-
- // Combine the two buffers
- CombineImageBuffer(imageBuffer, underlineImageBuffer, bufferWidth, bufferHeight, true);
- }
-
// Generate the background if enabled
const bool backgroundEnabled = mModel->IsBackgroundEnabled();
const bool backgroundMarkupSet = mModel->IsMarkupBackgroundColorSet();
CombineImageBuffer(imageBuffer, backgroundImageBuffer, bufferWidth, bufferHeight, true);
}
- // Generate the strikethrough if enabled
- const bool strikethroughEnabled = mModel->IsStrikethroughEnabled();
- if(strikethroughEnabled && RENDER_OVERLAY_STYLE == behaviour)
+ // Generate the background_with_mask if enabled
+ const bool backgroundWithCutoutEnabled = mModel->IsBackgroundWithCutoutEnabled();
+ if((backgroundWithCutoutEnabled) && RENDER_OVERLAY_STYLE != behaviour)
{
- // Create the image buffer for strikethrough
- Devel::PixelBuffer strikethroughImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_STRIKETHROUGH, ignoreHorizontalAlignment, pixelFormat, penX, penY, 0u, endIndexOfGlyphs);
+ Devel::PixelBuffer backgroundImageBuffer;
+
+ backgroundImageBuffer = CreateFullBackgroundBuffer(bufferWidth, bufferHeight, mModel->GetBackgroundColorWithCutout());
// Combine the two buffers
- CombineImageBuffer(imageBuffer, strikethroughImageBuffer, bufferWidth, bufferHeight, true);
+ CombineImageBuffer(imageBuffer, backgroundImageBuffer, bufferWidth, bufferHeight, true);
}
- // Markup-Processor
+ if(RENDER_OVERLAY_STYLE == behaviour)
+ {
+ if(mModel->IsUnderlineEnabled())
+ {
+ // Create the image buffer for underline
+ Devel::PixelBuffer underlineImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_UNDERLINE, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
+
+ // Combine the two buffers
+ CombineImageBuffer(imageBuffer, underlineImageBuffer, bufferWidth, bufferHeight, true);
+ }
+
+ if(mModel->IsStrikethroughEnabled())
+ {
+ // Create the image buffer for strikethrough
+ Devel::PixelBuffer strikethroughImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_STRIKETHROUGH, ignoreHorizontalAlignment, pixelFormat, penX, penY, 0u, endIndexOfGlyphs);
+
+ // Combine the two buffers
+ CombineImageBuffer(imageBuffer, strikethroughImageBuffer, bufferWidth, bufferHeight, true);
+ }
- imageBuffer = ApplyMarkupProcessorOnPixelBuffer(imageBuffer, bufferWidth, bufferHeight, ignoreHorizontalAlignment, pixelFormat, penX, penY);
+ // Markup-Processor for overlay styles
+ if(mModel->IsMarkupProcessorEnabled() || mModel->IsSpannedTextPlaced())
+ {
+ if(mModel->IsMarkupUnderlineSet())
+ {
+ imageBuffer = ApplyUnderlineMarkupImageBuffer(imageBuffer, bufferWidth, bufferHeight, ignoreHorizontalAlignment, pixelFormat, penX, penY);
+ }
+
+ if(mModel->IsMarkupStrikethroughSet())
+ {
+ imageBuffer = ApplyStrikethroughMarkupImageBuffer(imageBuffer, bufferWidth, bufferHeight, ignoreHorizontalAlignment, pixelFormat, penX, penY);
+ }
+ }
+ }
}
- // Create the final PixelData for the combined image buffer
- PixelData pixelData = Devel::PixelBuffer::Convert(imageBuffer);
+ return imageBuffer;
+}
- return pixelData;
+Devel::PixelBuffer Typesetter::CreateFullBackgroundBuffer(const uint32_t bufferWidth, const uint32_t bufferHeight, const Vector4& backgroundColor)
+{
+ const uint32_t bufferSizeInt = bufferWidth * bufferHeight;
+ uint8_t backgroundColorAlpha = static_cast<uint8_t>(backgroundColor.a * 255.f);
+
+ Devel::PixelBuffer buffer = Devel::PixelBuffer::New(bufferWidth, bufferHeight, Pixel::RGBA8888);
+
+ uint32_t* bitmapBuffer = reinterpret_cast<uint32_t*>(buffer.GetBuffer());
+
+ uint32_t packedBackgroundColor = 0u;
+ uint8_t* packedBackgroundColorBuffer = reinterpret_cast<uint8_t*>(&packedBackgroundColor);
+
+ // Write the color to the pixel buffer
+ *(packedBackgroundColorBuffer + 3u) = backgroundColorAlpha;
+ *(packedBackgroundColorBuffer + 2u) = static_cast<uint8_t>(backgroundColor.b * backgroundColorAlpha);
+ *(packedBackgroundColorBuffer + 1u) = static_cast<uint8_t>(backgroundColor.g * backgroundColorAlpha);
+ *(packedBackgroundColorBuffer) = static_cast<uint8_t>(backgroundColor.r * backgroundColorAlpha);
+
+ std::fill(bitmapBuffer, bitmapBuffer + bufferSizeInt, packedBackgroundColor);
+
+ return buffer;
}
-Devel::PixelBuffer Typesetter::CreateImageBuffer(const uint32_t& bufferWidth, const uint32_t& bufferHeight, Typesetter::Style style, bool ignoreHorizontalAlignment, Pixel::Format pixelFormat, const int32_t& horizontalOffset, const int32_t& verticalOffset, GlyphIndex fromGlyphIndex, GlyphIndex toGlyphIndex)
+Devel::PixelBuffer Typesetter::CreateImageBuffer(const uint32_t bufferWidth, const uint32_t bufferHeight, const Typesetter::Style style, const bool ignoreHorizontalAlignment, const Pixel::Format pixelFormat, const int32_t horizontalOffset, const int32_t verticalOffset, const GlyphIndex fromGlyphIndex, const GlyphIndex toGlyphIndex)
{
// Retrieve lines, glyphs, positions and colors from the view model.
- const Length modelNumberOfLines = mModel->GetNumberOfLines();
- const LineRun* const modelLinesBuffer = mModel->GetLines();
- const GlyphInfo* const glyphsBuffer = mModel->GetGlyphs();
- const Vector2* const positionBuffer = mModel->GetLayout();
- const Vector4* const colorsBuffer = mModel->GetColors();
- const ColorIndex* const colorIndexBuffer = mModel->GetColorIndices();
- const GlyphInfo* hyphens = mModel->GetHyphens();
- const Length* hyphenIndices = mModel->GetHyphenIndices();
- const Length hyphensCount = mModel->GetHyphensCount();
+ const Length modelNumberOfLines = mModel->GetNumberOfLines();
+ const LineRun* const __restrict__ modelLinesBuffer = mModel->GetLines();
+ const GlyphInfo* const __restrict__ glyphsBuffer = mModel->GetGlyphs();
+ const Vector2* const __restrict__ positionBuffer = mModel->GetLayout();
+ const Vector4* const __restrict__ colorsBuffer = mModel->GetColors();
+ const ColorIndex* const __restrict__ colorIndexBuffer = mModel->GetColorIndices();
+ const GlyphInfo* __restrict__ hyphens = mModel->GetHyphens();
+ const Length* __restrict__ hyphenIndices = mModel->GetHyphenIndices();
+ const Length hyphensCount = mModel->GetHyphensCount();
+ const bool removeFrontInset = mModel->IsRemoveFrontInset();
+ const bool removeBackInset = mModel->IsRemoveBackInset();
+ const bool cutoutEnabled = mModel->IsCutoutEnabled();
// Elided text info. Indices according to elided text and Ellipsis position.
const auto startIndexOfGlyphs = mModel->GetStartIndexOfElidedGlyphs();
glyphData.horizontalOffset = 0;
// Get a handle of the font client. Used to retrieve the bitmaps of the glyphs.
- TextAbstraction::FontClient fontClient = TextAbstraction::FontClient::Get();
Length hyphenIndex = 0;
- const Character* textBuffer = mModel->GetTextBuffer();
- float calculatedAdvance = 0.f;
- const Vector<CharacterIndex>& glyphToCharacterMap = mModel->GetGlyphsToCharacters();
- const CharacterIndex* glyphToCharacterMapBuffer = glyphToCharacterMap.Begin();
+ const Character* __restrict__ textBuffer = mModel->GetTextBuffer();
+ float calculatedAdvance = 0.f;
+ const Vector<CharacterIndex>& __restrict__ glyphToCharacterMap = mModel->GetGlyphsToCharacters();
+ const CharacterIndex* __restrict__ glyphToCharacterMapBuffer = glyphToCharacterMap.Begin();
const DevelText::VerticalLineAlignment::Type verLineAlign = mModel->GetVerticalLineAlignment();
if(style == Typesetter::STYLE_OUTLINE)
{
+ const Vector2& outlineOffset = mModel->GetOutlineOffset();
+
glyphData.horizontalOffset -= outlineWidth;
+ glyphData.horizontalOffset += outlineOffset.x;
if(lineIndex == 0u)
{
// Only need to add the vertical outline offset for the first line
glyphData.verticalOffset -= outlineWidth;
+ glyphData.verticalOffset += outlineOffset.y;
}
}
else if(style == Typesetter::STYLE_SHADOW)
const float modelCharacterSpacing = mModel->GetCharacterSpacing();
// Get the character-spacing runs.
- const Vector<CharacterSpacingGlyphRun>& characterSpacingGlyphRuns = mModel->GetCharacterSpacingGlyphRuns();
+ const Vector<CharacterSpacingGlyphRun>& __restrict__ characterSpacingGlyphRuns = mModel->GetCharacterSpacingGlyphRuns();
// Aggregate underline-style-properties from mModel
const UnderlineStyleProperties modelUnderlineProperties{mModel->GetUnderlineType(),
{
// We need to fetch fresh font underline metrics
FontMetrics fontMetrics;
- fontClient.GetFontMetrics(glyphInfo->fontId, fontMetrics);
+ mFontClient.GetFontMetrics(glyphInfo->fontId, fontMetrics);
//The currentUnderlinePosition will be used for both Underline and/or Strikethrough
currentUnderlinePosition = FetchUnderlinePositionFromFontMetrics(fontMetrics);
}
// Calculate the positions of leftmost and rightmost glyphs in the current line
- if(position.x < lineExtentLeft)
+ if(removeFrontInset)
+ {
+ if(position.x < lineExtentLeft)
+ {
+ lineExtentLeft = position.x;
+ }
+ }
+ else
{
- lineExtentLeft = position.x;
+ const float originPositionLeft = position.x - glyphInfo->xBearing;
+ if(originPositionLeft < lineExtentLeft)
+ {
+ lineExtentLeft = originPositionLeft;
+ }
}
- if(position.x + glyphInfo->width > lineExtentRight)
+ if(removeBackInset)
+ {
+ if(position.x + glyphInfo->width > lineExtentRight)
+ {
+ lineExtentRight = position.x + glyphInfo->width;
+ }
+ }
+ else
{
- lineExtentRight = position.x + glyphInfo->width;
+ const float originPositionRight = position.x - glyphInfo->xBearing + glyphInfo->advance;
+ if(originPositionRight > lineExtentRight)
+ {
+ lineExtentRight = originPositionRight;
+ }
}
// Retrieves the glyph's color.
color = (useDefaultColor || (0u == colorIndex)) ? defaultColor : *(colorsBuffer + (colorIndex - 1u));
}
+ if(style == Typesetter::STYLE_NONE && cutoutEnabled)
+ {
+ // Temporarily adjust the transparency to 1.f
+ color.a = 1.f;
+ }
+
// Premultiply alpha
color.r *= color.a;
color.g *= color.a;
if(style != Typesetter::STYLE_UNDERLINE && style != Typesetter::STYLE_STRIKETHROUGH)
{
- fontClient.CreateBitmap(glyphInfo->fontId,
- glyphInfo->index,
- glyphInfo->isItalicRequired,
- glyphInfo->isBoldRequired,
- glyphData.glyphBitmap,
- static_cast<int32_t>(outlineWidth));
+ mFontClient.CreateBitmap(glyphInfo->fontId,
+ glyphInfo->index,
+ glyphInfo->isItalicRequired,
+ glyphInfo->isBoldRequired,
+ glyphData.glyphBitmap,
+ static_cast<int32_t>(outlineWidth));
}
// Sets the glyph's bitmap into the bitmap of the whole text.
glyphData.verticalOffset += glyphData.glyphBitmap.outlineOffsetY;
}
- // free the glyphBitmap.buffer as it is now copied into glyphData.bitmapBuffer
- free(glyphData.glyphBitmap.buffer);
+ // free the glyphBitmap.buffer if it is owner of buffer
+ if(glyphData.glyphBitmap.isBufferOwned)
+ {
+ free(glyphData.glyphBitmap.buffer);
+ glyphData.glyphBitmap.isBufferOwned = false;
+ }
glyphData.glyphBitmap.buffer = NULL;
}
return glyphData.bitmapBuffer;
}
-Devel::PixelBuffer Typesetter::ApplyUnderlineMarkupImageBuffer(Devel::PixelBuffer topPixelBuffer, const uint32_t& bufferWidth, const uint32_t& bufferHeight, bool ignoreHorizontalAlignment, Pixel::Format pixelFormat, const int32_t& horizontalOffset, const int32_t& verticalOffset)
+Devel::PixelBuffer Typesetter::ApplyUnderlineMarkupImageBuffer(Devel::PixelBuffer topPixelBuffer, const uint32_t bufferWidth, const uint32_t bufferHeight, const bool ignoreHorizontalAlignment, const Pixel::Format pixelFormat, const int32_t horizontalOffset, const int32_t verticalOffset)
{
// Underline-tags (this is for Markup case)
// Get the underline runs.
return topPixelBuffer;
}
-Devel::PixelBuffer Typesetter::ApplyStrikethroughMarkupImageBuffer(Devel::PixelBuffer topPixelBuffer, const uint32_t& bufferWidth, const uint32_t& bufferHeight, bool ignoreHorizontalAlignment, Pixel::Format pixelFormat, const int32_t& horizontalOffset, const int32_t& verticalOffset)
+Devel::PixelBuffer Typesetter::ApplyStrikethroughMarkupImageBuffer(Devel::PixelBuffer topPixelBuffer, const uint32_t bufferWidth, const uint32_t bufferHeight, const bool ignoreHorizontalAlignment, const Pixel::Format pixelFormat, const int32_t horizontalOffset, const int32_t verticalOffset)
{
// strikethrough-tags (this is for Markup case)
// Get the strikethrough runs.
return topPixelBuffer;
}
-Devel::PixelBuffer Typesetter::ApplyMarkupProcessorOnPixelBuffer(Devel::PixelBuffer topPixelBuffer, const uint32_t& bufferWidth, const uint32_t& bufferHeight, bool ignoreHorizontalAlignment, Pixel::Format pixelFormat, const int32_t& horizontalOffset, const int32_t& verticalOffset)
+void Typesetter::SetMaskForImageBuffer(Devel::PixelBuffer& __restrict__ topPixelBuffer, Devel::PixelBuffer& __restrict__ bottomPixelBuffer, const uint32_t bufferWidth, const uint32_t bufferHeight, float originAlpha)
{
- // Apply the markup-Processor if enabled
- const bool markupProcessorEnabled = mModel->IsMarkupProcessorEnabled();
- if(markupProcessorEnabled)
- {
- topPixelBuffer = ApplyUnderlineMarkupImageBuffer(topPixelBuffer, bufferWidth, bufferHeight, ignoreHorizontalAlignment, pixelFormat, horizontalOffset, verticalOffset);
+ // Assume that we always combine two RGBA images
+ // Jump with 4bytes for optimize runtime.
+ uint32_t* topBuffer = reinterpret_cast<uint32_t*>(topPixelBuffer.GetBuffer());
+ uint32_t* bottomBuffer = reinterpret_cast<uint32_t*>(bottomPixelBuffer.GetBuffer());
- topPixelBuffer = ApplyStrikethroughMarkupImageBuffer(topPixelBuffer, bufferWidth, bufferHeight, ignoreHorizontalAlignment, pixelFormat, horizontalOffset, verticalOffset);
+ if(topBuffer == NULL || bottomBuffer == NULL)
+ {
+ // Nothing to do if one of both buffers are empty.
+ return;
}
- return topPixelBuffer;
+ const uint32_t bufferSizeInt = bufferWidth * bufferHeight;
+
+ for(uint32_t pixelIndex = 0; pixelIndex < bufferSizeInt; ++pixelIndex)
+ {
+ uint32_t topBufferColor = *(topBuffer);
+ uint32_t bottomBufferColor = *(bottomBuffer);
+ uint8_t* __restrict__ topBufferColorBuffer = reinterpret_cast<uint8_t*>(&topBufferColor);
+ uint8_t* __restrict__ bottomBufferColorBuffer = reinterpret_cast<uint8_t*>(&bottomBufferColor);
+
+ // Return the transparency of the text to original.
+ uint8_t originAlphaInt = originAlpha * 255;
+
+ uint8_t topAlpha = topBufferColorBuffer[3];
+ uint8_t bottomAlpha = 255 - topAlpha;
+
+ // Manual blending.
+ bottomBufferColorBuffer[0] = MultiplyAndSummationAndNormalizeColor(topBufferColorBuffer[0], originAlphaInt, bottomBufferColorBuffer[0], bottomAlpha);
+ bottomBufferColorBuffer[1] = MultiplyAndSummationAndNormalizeColor(topBufferColorBuffer[1], originAlphaInt, bottomBufferColorBuffer[1], bottomAlpha);
+ bottomBufferColorBuffer[2] = MultiplyAndSummationAndNormalizeColor(topBufferColorBuffer[2], originAlphaInt, bottomBufferColorBuffer[2], bottomAlpha);
+ bottomBufferColorBuffer[3] = MultiplyAndSummationAndNormalizeColor(topBufferColorBuffer[3], originAlphaInt, bottomBufferColorBuffer[3], bottomAlpha);
+
+ *(bottomBuffer) = bottomBufferColor;
+
+ // Increase each buffer's pointer.
+ ++topBuffer;
+ ++bottomBuffer;
+ }
}
Typesetter::Typesetter(const ModelInterface* const model)
-: mModel(new ViewModel(model))
+: mModel(new ViewModel(model)),
+ mFontClient()
{
+ // Default font client set.
+ mFontClient = TextAbstraction::FontClient::Get();
}
Typesetter::~Typesetter()
projects / platform / core / uifw / dali-toolkit.git / blobdiff