}
}
+Devel::PixelBuffer DrawGlyphsBackground(const ViewModel* model, Devel::PixelBuffer& buffer, const unsigned int bufferWidth, const unsigned int bufferHeight, bool ignoreHorizontalAlignment, int horizontalOffset, int verticalOffset)
+{
+ // Retrieve lines, glyphs, positions and colors from the view model.
+ const Length modelNumberOfLines = model->GetNumberOfLines();
+ const LineRun* const modelLinesBuffer = model->GetLines();
+ const Length numberOfGlyphs = model->GetNumberOfGlyphs();
+ const GlyphInfo* const glyphsBuffer = model->GetGlyphs();
+ const Vector2* const positionBuffer = model->GetLayout();
+ const Vector4* const backgroundColorsBuffer = model->GetBackgroundColors();
+ const ColorIndex* const backgroundColorIndicesBuffer = model->GetBackgroundColorIndices();
+
+ // Create and initialize the pixel buffer.
+ GlyphData glyphData;
+ glyphData.verticalOffset = verticalOffset;
+ glyphData.width = bufferWidth;
+ glyphData.height = bufferHeight;
+ glyphData.bitmapBuffer = buffer;
+ glyphData.horizontalOffset = 0;
+
+ ColorIndex prevBackgroundColorIndex = 0;
+ ColorIndex backgroundColorIndex = 0;
+
+ // Traverses the lines of the text.
+ for(LineIndex lineIndex = 0u; lineIndex < modelNumberOfLines; ++lineIndex)
+ {
+ const LineRun& line = *(modelLinesBuffer + lineIndex);
+
+ // Sets the horizontal offset of the line.
+ glyphData.horizontalOffset = ignoreHorizontalAlignment ? 0 : static_cast<int>(line.alignmentOffset);
+ glyphData.horizontalOffset += horizontalOffset;
+
+ // Increases the vertical offset with the line's ascender.
+ glyphData.verticalOffset += static_cast<int>(line.ascender);
+
+ // Include line spacing after first line
+ if(lineIndex > 0u)
+ {
+ glyphData.verticalOffset += static_cast<int>(line.lineSpacing);
+ }
+
+ float left = bufferWidth;
+ float right = 0.0f;
+ float baseline = 0.0f;
+
+ // Traverses the glyphs of the line.
+ const GlyphIndex endGlyphIndex = std::min(numberOfGlyphs, line.glyphRun.glyphIndex + line.glyphRun.numberOfGlyphs);
+ for(GlyphIndex glyphIndex = line.glyphRun.glyphIndex; glyphIndex < endGlyphIndex; ++glyphIndex)
+ {
+ // Retrieve the glyph's info.
+ const GlyphInfo* const glyphInfo = glyphsBuffer + glyphIndex;
+
+ if((glyphInfo->width < Math::MACHINE_EPSILON_1000) ||
+ (glyphInfo->height < Math::MACHINE_EPSILON_1000))
+ {
+ // Nothing to do if default background color, the glyph's width or height is zero.
+ continue;
+ }
+
+ backgroundColorIndex = (nullptr == backgroundColorsBuffer) ? 0u : *(backgroundColorIndicesBuffer + glyphIndex);
+
+ if((backgroundColorIndex != prevBackgroundColorIndex) &&
+ (prevBackgroundColorIndex != 0u))
+ {
+ const Vector4& backgroundColor = *(backgroundColorsBuffer + prevBackgroundColorIndex - 1u);
+ DrawBackgroundColor(backgroundColor, bufferWidth, bufferHeight, glyphData, baseline, line, left, right);
+ }
+
+ if(backgroundColorIndex == 0u)
+ {
+ prevBackgroundColorIndex = backgroundColorIndex;
+ //if background color is the default do nothing
+ continue;
+ }
+
+ // Retrieves the glyph's position.
+ const Vector2* const position = positionBuffer + glyphIndex;
+
+ if(baseline < position->y + glyphInfo->yBearing)
+ {
+ baseline = position->y + glyphInfo->yBearing;
+ }
+
+ // Calculate the positions of leftmost and rightmost glyphs in the current line
+ if((position->x < left) || (backgroundColorIndex != prevBackgroundColorIndex))
+ {
+ left = position->x - glyphInfo->xBearing;
+ }
+
+ if(position->x + glyphInfo->width > right)
+ {
+ right = position->x - glyphInfo->xBearing + glyphInfo->advance;
+ }
+
+ prevBackgroundColorIndex = backgroundColorIndex;
+ }
+
+ //draw last background at line end if not default
+ if(backgroundColorIndex != 0u)
+ {
+ const Vector4& backgroundColor = *(backgroundColorsBuffer + backgroundColorIndex - 1u);
+ DrawBackgroundColor(backgroundColor, bufferWidth, bufferHeight, glyphData, baseline, line, left, right);
+ }
+
+ // Increases the vertical offset with the line's descender.
+ glyphData.verticalOffset += static_cast<int>(-line.descender);
+ }
+
+ return glyphData.bitmapBuffer;
+}
+
} // namespace
TypesetterPtr Typesetter::New(const ModelInterface* const model)
return mModel;
}
+Devel::PixelBuffer Typesetter::CreateImageBuffer(const unsigned int bufferWidth, const unsigned int bufferHeight, Pixel::Format pixelFormat)
+{
+ Devel::PixelBuffer imageBuffer = Devel::PixelBuffer::New(bufferWidth, bufferHeight, pixelFormat);
+
+ if(Pixel::RGBA8888 == pixelFormat)
+ {
+ const unsigned int bufferSizeInt = bufferWidth * bufferHeight;
+ const unsigned int bufferSizeChar = 4u * bufferSizeInt;
+ memset(imageBuffer.GetBuffer(), 0u, bufferSizeChar);
+ }
+ else
+ {
+ memset(imageBuffer.GetBuffer(), 0, bufferWidth * bufferHeight);
+ }
+
+ return imageBuffer;
+}
+
PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirection::Type textDirection, RenderBehaviour behaviour, bool ignoreHorizontalAlignment, Pixel::Format pixelFormat)
{
// @todo. This initial implementation for a TextLabel has only one visible page.
const unsigned int bufferSizeInt = bufferWidth * bufferHeight;
const unsigned int bufferSizeChar = 4u * bufferSizeInt;
- Length numberOfGlyphs = mModel->GetNumberOfGlyphs();
+ //Elided text in ellipsis at START could start on index greater than 0
+ auto startIndexOfGlyphs = mModel->GetStartIndexOfElidedGlyphs();
+ auto endIndexOfGlyphs = mModel->GetEndIndexOfElidedGlyphs();
Devel::PixelBuffer imageBuffer;
if(RENDER_MASK == behaviour)
{
// Generate the image buffer as an alpha mask for color glyphs.
- imageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_MASK, ignoreHorizontalAlignment, pixelFormat, penX, penY, 0u, numberOfGlyphs - 1);
+ imageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_MASK, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
}
else if(RENDER_NO_TEXT == behaviour)
{
else
{
// Generate the image buffer for the text with no style.
- imageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_NONE, ignoreHorizontalAlignment, pixelFormat, penX, penY, 0u, numberOfGlyphs - 1);
+ imageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_NONE, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
}
if((RENDER_NO_STYLES != behaviour) && (RENDER_MASK != behaviour))
if(outlineWidth != 0u)
{
// Create the image buffer for outline
- Devel::PixelBuffer outlineImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_OUTLINE, ignoreHorizontalAlignment, pixelFormat, penX, penY, 0u, numberOfGlyphs - 1);
+ Devel::PixelBuffer outlineImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_OUTLINE, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
// Combine the two buffers
imageBuffer = CombineImageBuffer(imageBuffer, outlineImageBuffer, bufferWidth, bufferHeight);
if(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, 0u, numberOfGlyphs - 1);
+ Devel::PixelBuffer shadowImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_SHADOW, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
// Check whether it will be a soft shadow
const float& blurRadius = mModel->GetShadowBlurRadius();
if(underlineEnabled)
{
// Create the image buffer for underline
- Devel::PixelBuffer underlineImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_UNDERLINE, ignoreHorizontalAlignment, pixelFormat, penX, penY, 0u, numberOfGlyphs - 1);
+ Devel::PixelBuffer underlineImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_UNDERLINE, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
// Combine the two buffers
imageBuffer = CombineImageBuffer(imageBuffer, underlineImageBuffer, bufferWidth, bufferHeight);
}
// Generate the background if enabled
- const bool backgroundEnabled = mModel->IsBackgroundEnabled();
- if(backgroundEnabled)
+ const bool backgroundEnabled = mModel->IsBackgroundEnabled();
+ const bool backgroundMarkupSet = mModel->IsMarkupBackgroundColorSet();
+ if(backgroundEnabled || backgroundMarkupSet)
{
- Devel::PixelBuffer backgroundImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_BACKGROUND, ignoreHorizontalAlignment, pixelFormat, penX, penY, 0u, numberOfGlyphs - 1);
+ Devel::PixelBuffer backgroundImageBuffer;
+
+ if(backgroundEnabled)
+ {
+ backgroundImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_BACKGROUND, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
+ }
+ else
+ {
+ backgroundImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, pixelFormat);
+ }
+
+ if(backgroundMarkupSet)
+ {
+ DrawGlyphsBackground(mModel, backgroundImageBuffer, bufferWidth, bufferHeight, ignoreHorizontalAlignment, penX, penY);
+ }
// Combine the two buffers
imageBuffer = CombineImageBuffer(imageBuffer, backgroundImageBuffer, bufferWidth, bufferHeight);
// Retrieve lines, glyphs, positions and colors from the view model.
const Length modelNumberOfLines = mModel->GetNumberOfLines();
const LineRun* const modelLinesBuffer = mModel->GetLines();
- const Length numberOfGlyphs = mModel->GetNumberOfGlyphs();
const GlyphInfo* const glyphsBuffer = mModel->GetGlyphs();
const Vector2* const positionBuffer = mModel->GetLayout();
const Vector4* const colorsBuffer = mModel->GetColors();
const Length* hyphenIndices = mModel->GetHyphenIndices();
const Length hyphensCount = mModel->GetHyphensCount();
+ // Elided text info. Indices according to elided text and Ellipsis position.
+ const auto startIndexOfGlyphs = mModel->GetStartIndexOfElidedGlyphs();
+ const auto endIndexOfGlyphs = mModel->GetEndIndexOfElidedGlyphs();
+ const auto firstMiddleIndexOfElidedGlyphs = mModel->GetFirstMiddleIndexOfElidedGlyphs();
+ const auto secondMiddleIndexOfElidedGlyphs = mModel->GetSecondMiddleIndexOfElidedGlyphs();
+ const auto ellipsisPosition = mModel->GetEllipsisPosition();
+
// Whether to use the default color.
const bool useDefaultColor = (NULL == colorsBuffer);
const Vector4& defaultColor = mModel->GetDefaultColor();
glyphData.verticalOffset = verticalOffset;
glyphData.width = bufferWidth;
glyphData.height = bufferHeight;
- glyphData.bitmapBuffer = Devel::PixelBuffer::New(bufferWidth, bufferHeight, pixelFormat);
+ glyphData.bitmapBuffer = CreateImageBuffer(bufferWidth, bufferHeight, pixelFormat);
glyphData.horizontalOffset = 0;
- if(Pixel::RGBA8888 == pixelFormat)
- {
- const unsigned int bufferSizeInt = bufferWidth * bufferHeight;
- const unsigned int bufferSizeChar = 4u * bufferSizeInt;
- memset(glyphData.bitmapBuffer.GetBuffer(), 0u, bufferSizeChar);
- }
- else
- {
- memset(glyphData.bitmapBuffer.GetBuffer(), 0, bufferWidth * bufferHeight);
- }
-
// Get a handle of the font client. Used to retrieve the bitmaps of the glyphs.
TextAbstraction::FontClient fontClient = TextAbstraction::FontClient::Get();
Length hyphenIndex = 0;
bool addHyphen = false;
// Traverses the glyphs of the line.
- const GlyphIndex endGlyphIndex = std::min(numberOfGlyphs, line.glyphRun.glyphIndex + line.glyphRun.numberOfGlyphs);
- for(GlyphIndex glyphIndex = line.glyphRun.glyphIndex; glyphIndex < endGlyphIndex; ++glyphIndex)
+ const GlyphIndex startGlyphIndex = std::max(line.glyphRun.glyphIndex, startIndexOfGlyphs);
+ GlyphIndex endGlyphIndex = (line.isSplitToTwoHalves ? line.glyphRunSecondHalf.glyphIndex + line.glyphRunSecondHalf.numberOfGlyphs : line.glyphRun.glyphIndex + line.glyphRun.numberOfGlyphs) - 1u;
+ endGlyphIndex = std::min(endGlyphIndex, endIndexOfGlyphs);
+
+ for(GlyphIndex glyphIndex = startGlyphIndex; glyphIndex <= endGlyphIndex; ++glyphIndex)
{
if(glyphIndex < fromGlyphIndex || glyphIndex > toGlyphIndex)
{
continue;
}
+ //To handle START case of ellipsis, the first glyph has been shifted
+ //glyphIndex represent indices in whole glyphs but elidedGlyphIndex represents indices in elided Glyphs
+ GlyphIndex elidedGlyphIndex = glyphIndex - startIndexOfGlyphs;
+
+ //To handle MIDDLE case of ellipsis, the first glyph in the second half of line has been shifted and skip the removed glyph from middle.
+ if(ellipsisPosition == DevelText::EllipsisPosition::MIDDLE)
+ {
+ if(glyphIndex > firstMiddleIndexOfElidedGlyphs &&
+ glyphIndex < secondMiddleIndexOfElidedGlyphs)
+ {
+ // Ignore any glyph that removed for MIDDLE ellipsis
+ continue;
+ }
+ if(glyphIndex >= secondMiddleIndexOfElidedGlyphs)
+ {
+ elidedGlyphIndex -= (secondMiddleIndexOfElidedGlyphs - firstMiddleIndexOfElidedGlyphs - 1u);
+ }
+ }
+
// Retrieve the glyph's info.
const GlyphInfo* glyphInfo;
}
else
{
- glyphInfo = glyphsBuffer + glyphIndex;
+ glyphInfo = glyphsBuffer + elidedGlyphIndex;
}
if((glyphInfo->width < Math::MACHINE_EPSILON_1000) ||
} // underline
// Retrieves the glyph's position.
- Vector2 position = *(positionBuffer + glyphIndex);
+ Vector2 position = *(positionBuffer + elidedGlyphIndex);
if(addHyphen)
{
- GlyphInfo tempInfo = *(glyphsBuffer + glyphIndex);
+ GlyphInfo tempInfo = *(glyphsBuffer + elidedGlyphIndex);
position.x = position.x + tempInfo.advance - tempInfo.xBearing + glyphInfo->xBearing;
position.y = -glyphInfo->yBearing;
}
projects / platform / core / uifw / dali-toolkit.git / blobdiff