X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Frendering%2Ftext-typesetter.cpp;h=cea2a1979bb2d66d741c8d22647fd48e46ac80da;hp=17a5c614722993d7d4eb7ff26712e3e52ae559b6;hb=f4b327350bf7873847f8f08bb27d11361f60f759;hpb=862dfd28532f834238394c7ec0a15069c9bd2188 diff --git a/dali-toolkit/internal/text/rendering/text-typesetter.cpp b/dali-toolkit/internal/text/rendering/text-typesetter.cpp index 17a5c61..cea2a19 100644 --- a/dali-toolkit/internal/text/rendering/text-typesetter.cpp +++ b/dali-toolkit/internal/text/rendering/text-typesetter.cpp @@ -539,6 +539,24 @@ ViewModel* Typesetter::GetViewModel() 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. @@ -630,14 +648,16 @@ PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirect 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) { @@ -648,7 +668,7 @@ PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirect 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)) @@ -658,7 +678,7 @@ PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirect 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); @@ -671,7 +691,7 @@ PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirect 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(); @@ -690,7 +710,7 @@ PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirect 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); @@ -705,11 +725,11 @@ PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirect if(backgroundEnabled) { - backgroundImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_BACKGROUND, ignoreHorizontalAlignment, pixelFormat, penX, penY, 0u, numberOfGlyphs - 1); + backgroundImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_BACKGROUND, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs); } else { - backgroundImageBuffer = Devel::PixelBuffer::New(bufferWidth, bufferHeight, pixelFormat); + backgroundImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, pixelFormat); } if(backgroundMarkupSet) @@ -737,7 +757,6 @@ Devel::PixelBuffer Typesetter::CreateImageBuffer(const unsigned int bufferWidth, // 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(); @@ -746,6 +765,13 @@ Devel::PixelBuffer Typesetter::CreateImageBuffer(const unsigned int bufferWidth, 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(); @@ -755,20 +781,9 @@ Devel::PixelBuffer Typesetter::CreateImageBuffer(const unsigned int bufferWidth, 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; @@ -839,8 +854,11 @@ Devel::PixelBuffer Typesetter::CreateImageBuffer(const unsigned int bufferWidth, 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) { @@ -848,6 +866,25 @@ Devel::PixelBuffer Typesetter::CreateImageBuffer(const unsigned int bufferWidth, 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; @@ -858,7 +895,7 @@ Devel::PixelBuffer Typesetter::CreateImageBuffer(const unsigned int bufferWidth, } else { - glyphInfo = glyphsBuffer + glyphIndex; + glyphInfo = glyphsBuffer + elidedGlyphIndex; } if((glyphInfo->width < Math::MACHINE_EPSILON_1000) || @@ -879,11 +916,11 @@ Devel::PixelBuffer Typesetter::CreateImageBuffer(const unsigned int bufferWidth, } // 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; }