+const Vector2& View::GetControlSize() const
+{
+ if(mImpl->mVisualModel)
+ {
+ return mImpl->mVisualModel->mControlSize;
+ }
+
+ return Vector2::ZERO;
+}
+
+const Vector2& View::GetLayoutSize() const
+{
+ if(mImpl->mVisualModel)
+ {
+ return mImpl->mVisualModel->GetLayoutSize();
+ }
+
+ return Vector2::ZERO;
+}
+
+Length View::GetNumberOfGlyphs() const
+{
+ if(mImpl->mVisualModel)
+ {
+ const VisualModel& model = *mImpl->mVisualModel;
+
+ const Length glyphCount = model.mGlyphs.Count();
+ const Length positionCount = model.mGlyphPositions.Count();
+
+ DALI_ASSERT_DEBUG(positionCount <= glyphCount && "Invalid glyph positions in Model");
+
+ return (positionCount < glyphCount) ? positionCount : glyphCount;
+ }
+
+ return 0;
+}
+
+Length View::GetGlyphs(GlyphInfo* glyphs,
+ Vector2* glyphPositions,
+ float& minLineOffset,
+ GlyphIndex glyphIndex,
+ Length numberOfGlyphs) const
+{
+ Length numberOfLaidOutGlyphs = 0u;
+ Length numberOfActualLaidOutGlyphs = 0u;
+
+ if(mImpl->mVisualModel)
+ {
+ bool textElided = false;
+ DevelText::EllipsisPosition::Type ellipsisPosition = GetEllipsisPosition();
+
+ //Reset indices of ElidedGlyphs
+ mImpl->mVisualModel->SetStartIndexOfElidedGlyphs(0u);
+ mImpl->mVisualModel->SetEndIndexOfElidedGlyphs(numberOfGlyphs);
+ mImpl->mVisualModel->SetFirstMiddleIndexOfElidedGlyphs(0u);
+ mImpl->mVisualModel->SetSecondMiddleIndexOfElidedGlyphs(0u);
+
+ // If ellipsis is enabled, the number of glyphs the layout engine has laid out may be less than 'numberOfGlyphs'.
+ // Check the last laid out line to know if the layout engine elided some text.
+
+ const Length numberOfLines = mImpl->mVisualModel->mLines.Count();
+ if(numberOfLines > 0u)
+ {
+ const LineRun* const lines = mImpl->mVisualModel->mLines.Begin();
+
+ //Get line of ellipsis
+ const LineRun* ellipsisLine = nullptr;
+ const LineRun* ellipsisNextLine = nullptr;
+ bool hasEllipsis = false;
+ for(Length lineIndex = 0; lineIndex < numberOfLines; lineIndex++)
+ {
+ const LineRun* line = (lines + lineIndex);
+ if(line->ellipsis)
+ {
+ ellipsisLine = line;
+ hasEllipsis = true;
+ if(lineIndex < numberOfLines - 1u)
+ {
+ ellipsisNextLine = (lines + lineIndex + 1u);
+ }
+ break;
+ }
+ }
+
+ // If ellipsis is enabled, calculate the number of laid out glyphs.
+ // Otherwise use the given number of glyphs.
+ if(hasEllipsis)
+ {
+ textElided = true;
+ numberOfLaidOutGlyphs = numberOfGlyphs;
+
+ if(ellipsisPosition == DevelText::EllipsisPosition::START)
+ {
+ numberOfActualLaidOutGlyphs = numberOfGlyphs - ellipsisLine->glyphRun.glyphIndex;
+ }
+ else if(ellipsisPosition == DevelText::EllipsisPosition::MIDDLE)
+ {
+ numberOfActualLaidOutGlyphs = 0u;
+ for(Length lineIndex = 0u; lineIndex < numberOfLines; lineIndex++)
+ {
+ numberOfActualLaidOutGlyphs += lines[lineIndex].glyphRun.numberOfGlyphs + lines[lineIndex].glyphRunSecondHalf.numberOfGlyphs;
+ }
+ }
+ else // DevelText::EllipsisPosition::END
+ {
+ numberOfActualLaidOutGlyphs = ellipsisLine->glyphRun.glyphIndex + ellipsisLine->glyphRun.numberOfGlyphs;
+ }
+ }
+ else
+ {
+ numberOfActualLaidOutGlyphs = numberOfLaidOutGlyphs = numberOfGlyphs;
+ }
+
+ if(0u < numberOfActualLaidOutGlyphs)
+ {
+ // Retrieve from the visual model the glyphs and positions.
+ mImpl->mVisualModel->GetGlyphs(glyphs,
+ glyphIndex,
+ numberOfLaidOutGlyphs);
+
+ mImpl->mVisualModel->GetGlyphPositions(glyphPositions,
+ glyphIndex,
+ numberOfLaidOutGlyphs);
+
+ // Get the lines for the given range of glyphs.
+ // The lines contain the alignment offset which needs to be added to the glyph's position.
+ LineIndex firstLineIndex = 0u;
+ Length numberOfLines = 0u;
+ mImpl->mVisualModel->GetNumberOfLines(glyphIndex,
+ numberOfLaidOutGlyphs,
+ firstLineIndex,
+ numberOfLines);
+
+ Vector<LineRun> lines;
+ lines.Resize(numberOfLines);
+ LineRun* lineBuffer = lines.Begin();
+
+ mImpl->mVisualModel->GetLinesOfGlyphRange(lineBuffer,
+ glyphIndex,
+ numberOfLaidOutGlyphs);
+
+ // Get the first line for the given glyph range.
+ LineIndex lineIndex = firstLineIndex;
+ LineRun* line = lineBuffer + lineIndex;
+
+ // Index of the last glyph of the line.
+ GlyphIndex lastGlyphIndexOfLine = (line->isSplitToTwoHalves ? line->glyphRunSecondHalf.glyphIndex + line->glyphRunSecondHalf.numberOfGlyphs : line->glyphRun.glyphIndex + line->glyphRun.numberOfGlyphs) - 1u;
+
+ // Add the alignment offset to the glyph's position.
+
+ minLineOffset = line->alignmentOffset;
+ float penY = line->ascender;
+ for(Length index = 0u; index < numberOfLaidOutGlyphs; ++index)
+ {
+ Vector2& position = *(glyphPositions + index);
+ position.x += line->alignmentOffset;
+ position.y += penY;
+
+ if(lastGlyphIndexOfLine == index)
+ {
+ penY += -line->descender;
+
+ // Get the next line.
+ ++lineIndex;
+
+ if(lineIndex < numberOfLines)
+ {
+ line = lineBuffer + lineIndex;
+ minLineOffset = std::min(minLineOffset, line->alignmentOffset);
+
+ lastGlyphIndexOfLine = (line->isSplitToTwoHalves ? line->glyphRunSecondHalf.glyphIndex + line->glyphRunSecondHalf.numberOfGlyphs : line->glyphRun.glyphIndex + line->glyphRun.numberOfGlyphs) - 1u;
+
+ penY += line->ascender + line->lineSpacing;
+ }
+ }
+ }
+
+ // Set index where to set Ellipsis according to the selected position of Ellipsis.
+ // Start with this index to replace its glyph by Ellipsis, if the width is not enough, then remove more glyphs.
+ GlyphIndex startIndexOfEllipsis = 0u;
+ if(hasEllipsis)
+ {
+ if(ellipsisPosition == DevelText::EllipsisPosition::START)
+ {
+ // It's the fisrt glyph in line.
+ startIndexOfEllipsis = ellipsisLine->glyphRun.glyphIndex;
+ }
+ else if(ellipsisPosition == DevelText::EllipsisPosition::MIDDLE)
+ {
+ // It's the second middle of the line in case the line split to two halves.
+ // Otherwise it's It's the last glyph in line (line before all removed lines).
+ startIndexOfEllipsis = ellipsisLine->isSplitToTwoHalves ? (ellipsisLine->glyphRunSecondHalf.glyphIndex) : (ellipsisLine->glyphRun.glyphIndex + ellipsisLine->glyphRun.numberOfGlyphs - 1u);
+ }
+ else // DevelText::EllipsisPosition::END
+ {
+ // It's the last glyph in line.
+ startIndexOfEllipsis = ellipsisLine->glyphRun.glyphIndex + ellipsisLine->glyphRun.numberOfGlyphs - 1u;
+ }
+ }
+
+ if(1u == numberOfLaidOutGlyphs)
+ {
+ // not a point try to do ellipsis with only one laid out character.
+
+ return numberOfLaidOutGlyphs;
+ }
+
+ if(textElided)
+ {
+ const LineRun& elidedLine = *ellipsisLine;
+
+ if((1u == numberOfLines) &&
+ (GetLineHeight(elidedLine) > mImpl->mVisualModel->mControlSize.height))
+ {
+ // Replace the first glyph with ellipsis glyph
+ auto indexOfFirstGlyph = (ellipsisPosition == DevelText::EllipsisPosition::START) ? startIndexOfEllipsis : 0u;
+
+ // Regardless where the location of ellipsis,in-case the hight of line is greater than control's height
+ // then replace the first glyph with ellipsis glyph.
+
+ // Get the first glyph which is going to be replaced and the ellipsis glyph.
+ GlyphInfo& glyphInfo = *(glyphs + indexOfFirstGlyph);
+ const GlyphInfo& ellipsisGlyph = mImpl->mFontClient.GetEllipsisGlyph(mImpl->mFontClient.GetPointSize(glyphInfo.fontId));
+
+ // Change the 'x' and 'y' position of the ellipsis glyph.
+ Vector2& position = *(glyphPositions + indexOfFirstGlyph);
+ position.x = ellipsisGlyph.xBearing;
+ position.y = mImpl->mVisualModel->mControlSize.height - ellipsisGlyph.yBearing;
+
+ // Replace the glyph by the ellipsis glyph.
+ glyphInfo = ellipsisGlyph;
+
+ mImpl->mVisualModel->SetStartIndexOfElidedGlyphs(indexOfFirstGlyph);
+ mImpl->mVisualModel->SetEndIndexOfElidedGlyphs(indexOfFirstGlyph);
+ mImpl->mVisualModel->SetFirstMiddleIndexOfElidedGlyphs(indexOfFirstGlyph);
+ mImpl->mVisualModel->SetSecondMiddleIndexOfElidedGlyphs(indexOfFirstGlyph);
+
+ numberOfLaidOutGlyphs = 1u;
+
+ return numberOfLaidOutGlyphs;
+ }
+
+ // firstPenX, penY and firstPenSet are used to position the ellipsis glyph if needed.
+ float firstPenX = 0.f; // Used if rtl text is elided.
+ float penY = 0.f;
+ bool firstPenSet = false;
+
+ // Add the ellipsis glyph.
+ bool inserted = false;
+ float removedGlypsWidth = 0.f;
+ Length numberOfRemovedGlyphs = 0u;
+ GlyphIndex indexOfEllipsis = startIndexOfEllipsis;
+
+ // Tail Mode: start by the end of line.
+ const bool isTailMode = ellipsisPosition == DevelText::EllipsisPosition::END ||
+ (ellipsisPosition == DevelText::EllipsisPosition::MIDDLE && numberOfLines != 1u);
+
+ // The ellipsis glyph has to fit in the place where the last glyph(s) is(are) removed.
+ while(!inserted)
+ {
+ const GlyphInfo& glyphToRemove = *(glyphs + indexOfEllipsis);
+
+ if(0u != glyphToRemove.fontId)
+ {
+ // i.e. The font id of the glyph shaped from the '\n' character is zero.
+
+ // Need to reshape the glyph as the font may be different in size.
+ const GlyphInfo& ellipsisGlyph = mImpl->mFontClient.GetEllipsisGlyph(mImpl->mFontClient.GetPointSize(glyphToRemove.fontId));
+
+ if(!firstPenSet)
+ {
+ const Vector2& position = *(glyphPositions + indexOfEllipsis);
+
+ // Calculates the penY of the current line. It will be used to position the ellipsis glyph.
+ penY = position.y + glyphToRemove.yBearing;
+
+ // Calculates the first penX which will be used if rtl text is elided.
+ firstPenX = position.x - glyphToRemove.xBearing;
+ if(firstPenX < -ellipsisGlyph.xBearing)
+ {
+ // Avoids to exceed the bounding box when rtl text is elided.
+ firstPenX = -ellipsisGlyph.xBearing;
+ }
+
+ removedGlypsWidth = -ellipsisGlyph.xBearing;
+
+ firstPenSet = true;
+ }
+
+ removedGlypsWidth += std::min(glyphToRemove.advance, (glyphToRemove.xBearing + glyphToRemove.width));
+
+ // Calculate the width of the ellipsis glyph and check if it fits.
+ const float ellipsisGlyphWidth = ellipsisGlyph.width + ellipsisGlyph.xBearing;
+ if((ellipsisGlyphWidth < removedGlypsWidth) || (isTailMode ? (indexOfEllipsis == 0u) : (indexOfEllipsis == numberOfGlyphs - 1u)))
+ {
+ GlyphInfo& glyphInfo = *(glyphs + indexOfEllipsis);
+ Vector2& position = *(glyphPositions + indexOfEllipsis);
+ position.x -= (0.f > glyphInfo.xBearing) ? glyphInfo.xBearing : 0.f;
+
+ // Replace the glyph by the ellipsis glyph.
+ glyphInfo = ellipsisGlyph;
+
+ // Change the 'x' and 'y' position of the ellipsis glyph.
+
+ if(position.x > firstPenX)
+ {
+ position.x = firstPenX + removedGlypsWidth - ellipsisGlyphWidth;
+ }
+
+ position.x += ellipsisGlyph.xBearing;
+ position.y = penY - ellipsisGlyph.yBearing;
+
+ inserted = true;
+ }
+ }
+
+ if(!inserted)
+ {
+ if(isTailMode && indexOfEllipsis > 0u)
+ {
+ // Tail Mode: remove glyphs from startIndexOfEllipsis then decrement indexOfEllipsis, until arrive to index zero.
+ --indexOfEllipsis;
+ }
+ else if(!isTailMode && indexOfEllipsis < numberOfLaidOutGlyphs - 1u)
+ {
+ // Not Tail Mode: remove glyphs from startIndexOfEllipsis then increase indexOfEllipsis, until arrive to last index (numberOfGlyphs - 1u).
+ ++indexOfEllipsis;
+ }
+ else
+ {
+ // No space for the ellipsis.
+ inserted = true;
+ }
+ ++numberOfRemovedGlyphs;
+ }
+ }
+
+ // 'Removes' all the glyphs after the ellipsis glyph.
+ if(ellipsisPosition == DevelText::EllipsisPosition::MIDDLE)
+ {
+ //Reduce size, shift glyphs and start from ellipsis glyph
+ numberOfLaidOutGlyphs = numberOfActualLaidOutGlyphs - numberOfRemovedGlyphs;
+
+ GlyphIndex firstMiddleIndexOfElidedGlyphs = 0u;
+ GlyphIndex secondMiddleIndexOfElidedGlyphs = 0u;
+
+ bool isOnlySecondHalf = false;
+ if(isTailMode)
+ {
+ // Multi-lines case with MIDDLE
+ // In case the Ellipsis in the end of line,
+ // then this index will be the firstMiddleIndex.
+ // The secondMiddleIndex will be the fisrt index in next line.
+ // But in case there is no line after Ellipsis's line then secondMiddleIndex and endIndex equal firstMiddle
+ // Example:
+ // A: are laid out glyphs in line has Ellipsis in the end.
+ // N: are laid out glyphs in lines after removed lines.
+ // R: are removed glyphs.
+ // L: are removed glyphs when removed lines.
+ // AAAAAAAAAAAA...RRR => Here's the firstMiddleIndex (First index after last A)
+ // LLLLLLLLLLLLLLL
+ // LLLLLLLLLLLLLLL
+ // NNNNNNNNNNNNNN => Here's the secondMiddleIndex (First N)
+ // NNNNNNNNNN
+
+ firstMiddleIndexOfElidedGlyphs = indexOfEllipsis;
+ if(ellipsisNextLine != nullptr)
+ {
+ secondMiddleIndexOfElidedGlyphs = ellipsisNextLine->glyphRun.glyphIndex;
+ }
+ else
+ {
+ secondMiddleIndexOfElidedGlyphs = firstMiddleIndexOfElidedGlyphs;
+ mImpl->mVisualModel->SetEndIndexOfElidedGlyphs(firstMiddleIndexOfElidedGlyphs);
+ }
+ }
+ else
+ {
+ // Single line case with MIDDLE
+ // In case the Ellipsis in the middle of line,
+ // Then the last index in first half will be firstMiddleIndex.
+ // And the indexOfEllipsis will be secondMiddleIndex, which is the first index in second half.
+ // Example:
+ // A: are laid out glyphs in first half of line.
+ // N: are laid out glyphs in second half of line.
+ // R: are removed glyphs.
+ // L: re removed glyphs when layouting text
+ // AAAAAAALLLLLLLLLLLRRR...NNNNN
+ // firstMiddleIndex (index of last A)
+ // secondMiddleIndex (index before first N)
+
+ firstMiddleIndexOfElidedGlyphs = (ellipsisLine->glyphRun.numberOfGlyphs > 0u) ? (ellipsisLine->glyphRun.glyphIndex + ellipsisLine->glyphRun.numberOfGlyphs - 1u) : (ellipsisLine->glyphRun.glyphIndex);
+ secondMiddleIndexOfElidedGlyphs = indexOfEllipsis;
+ isOnlySecondHalf = ellipsisLine->glyphRun.numberOfGlyphs == 0u && ellipsisLine->glyphRunSecondHalf.numberOfGlyphs > 0u;
+ }
+
+ mImpl->mVisualModel->SetFirstMiddleIndexOfElidedGlyphs(firstMiddleIndexOfElidedGlyphs);
+ mImpl->mVisualModel->SetSecondMiddleIndexOfElidedGlyphs(secondMiddleIndexOfElidedGlyphs);
+
+ // The number of shifted glyphs and shifting positions will be different according to Single-line or Multi-lines.
+ // isOnlySecondHalf will be true when MIDDLE Ellipsis glyph in single line.
+ if(isOnlySecondHalf)
+ {
+ Length numberOfSecondHalfGlyphs = numberOfLaidOutGlyphs - firstMiddleIndexOfElidedGlyphs;
+
+ //Copy elided glyphs after the ellipsis glyph.
+ memcpy(glyphs + firstMiddleIndexOfElidedGlyphs, glyphs + secondMiddleIndexOfElidedGlyphs, numberOfSecondHalfGlyphs * sizeof(GlyphInfo));
+ memcpy(glyphPositions + firstMiddleIndexOfElidedGlyphs, glyphPositions + secondMiddleIndexOfElidedGlyphs, numberOfSecondHalfGlyphs * sizeof(Vector2));
+ }
+ else
+ {
+ Length numberOfSecondHalfGlyphs = numberOfLaidOutGlyphs - firstMiddleIndexOfElidedGlyphs + 1u;
+
+ //Copy elided glyphs after the ellipsis glyph.
+ memcpy(glyphs + firstMiddleIndexOfElidedGlyphs + 1u, glyphs + secondMiddleIndexOfElidedGlyphs, numberOfSecondHalfGlyphs * sizeof(GlyphInfo));
+ memcpy(glyphPositions + firstMiddleIndexOfElidedGlyphs + 1u, glyphPositions + secondMiddleIndexOfElidedGlyphs, numberOfSecondHalfGlyphs * sizeof(Vector2));
+ }
+ }
+ else if(ellipsisPosition == DevelText::EllipsisPosition::START)
+ {
+ numberOfLaidOutGlyphs = numberOfActualLaidOutGlyphs - numberOfRemovedGlyphs;
+ //Copy elided glyphs after the ellipsis glyph.
+ memcpy(glyphs, glyphs + startIndexOfEllipsis + numberOfRemovedGlyphs, numberOfLaidOutGlyphs * sizeof(GlyphInfo));
+ memcpy(glyphPositions, glyphPositions + startIndexOfEllipsis + numberOfRemovedGlyphs, numberOfLaidOutGlyphs * sizeof(Vector2));
+ mImpl->mVisualModel->SetStartIndexOfElidedGlyphs(indexOfEllipsis);
+ }
+ else // DevelText::EllipsisPosition::END
+ {
+ numberOfLaidOutGlyphs = numberOfActualLaidOutGlyphs - numberOfRemovedGlyphs;
+ mImpl->mVisualModel->SetEndIndexOfElidedGlyphs(indexOfEllipsis);
+ }
+ }
+ }
+ }
+ }
+
+ return numberOfLaidOutGlyphs;
+}
+
+const Vector4* const View::GetColors() const
+{
+ if(mImpl->mVisualModel)
+ {
+ return mImpl->mVisualModel->mColors.Begin();
+ }
+
+ return NULL;
+}
+
+const ColorIndex* const View::GetColorIndices() const
+{
+ if(mImpl->mVisualModel)
+ {
+ return mImpl->mVisualModel->mColorIndices.Begin();
+ }
+
+ return NULL;
+}
+
+const Vector4* const View::GetBackgroundColors() const
+{
+ if(mImpl->mVisualModel)
+ {
+ return mImpl->mVisualModel->mBackgroundColors.Begin();
+ }
+
+ return nullptr;
+}
+
+const ColorIndex* const View::GetBackgroundColorIndices() const
+{
+ if(mImpl->mVisualModel)
+ {
+ return mImpl->mVisualModel->mBackgroundColorIndices.Begin();
+ }
+
+ return nullptr;
+}
+
+bool const View::IsMarkupBackgroundColorSet() const
+{
+ if(mImpl->mVisualModel)
+ {
+ return (mImpl->mVisualModel->mBackgroundColors.Count() > 0);
+ }
+
+ return false;
+}
+