/*
- * Copyright (c) 2022 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2023 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/public-api/math/vector2.h>
#include <memory.h>
-namespace Dali
+// INTERNAL INCLUDES
+#include <dali-toolkit/internal/text/glyph-metrics-helper.h>
+#include <dali-toolkit/internal/text/rendering/styles/character-spacing-helper-functions.h>
+
+namespace Dali::Toolkit::Text
+{
+
+namespace
+{
+
+/// If ellipsis is enabled, calculate the number of laid out glyphs.
+/// Otherwise use the given number of glyphs.
+void CalculateNumberOfLaidOutGlyphes(
+ const bool hasEllipsis,
+ bool& textElided,
+ Length& numberOfLaidOutGlyphs,
+ Length& numberOfActualLaidOutGlyphs,
+ const Length& numberOfGlyphs,
+ const DevelText::EllipsisPosition::Type& ellipsisPosition,
+ const LineRun*& ellipsisLine,
+ const Length& numberOfLines,
+ const LineRun* const& lines)
{
-namespace Toolkit
+ if(hasEllipsis)
+ {
+ textElided = true;
+ numberOfLaidOutGlyphs = numberOfGlyphs;
+
+ switch(ellipsisPosition)
+ {
+ case DevelText::EllipsisPosition::START:
+ {
+ numberOfActualLaidOutGlyphs = numberOfGlyphs - ellipsisLine->glyphRun.glyphIndex;
+ break;
+ }
+ case DevelText::EllipsisPosition::MIDDLE:
+ {
+ numberOfActualLaidOutGlyphs = 0u;
+ for(Length lineIndex = 0u ; lineIndex < numberOfLines ; lineIndex++)
+ {
+ numberOfActualLaidOutGlyphs += lines[lineIndex].glyphRun.numberOfGlyphs + lines[lineIndex].glyphRunSecondHalf.numberOfGlyphs;
+ }
+ break;
+ }
+ case DevelText::EllipsisPosition::END:
+ {
+ numberOfActualLaidOutGlyphs = ellipsisLine->glyphRun.glyphIndex + ellipsisLine->glyphRun.numberOfGlyphs;
+ break;
+ }
+ }
+ }
+ else
+ {
+ numberOfActualLaidOutGlyphs = numberOfLaidOutGlyphs = numberOfGlyphs;
+ }
+}
+
+void InsertEllipsisGlyph(
+ GlyphInfo*& glyphs,
+ GlyphIndex& indexOfEllipsis,
+ Length& numberOfRemovedGlyphs,
+ Vector2*& glyphPositions,
+ TextAbstraction::FontClient& fontClient,
+ const Vector<CharacterSpacingGlyphRun>& characterSpacingGlyphRuns,
+ const float& modelCharacterSpacing,
+ float& calculatedAdvance,
+ const Character*& textBuffer,
+ const CharacterIndex*& glyphToCharacterMapBuffer,
+ const Length& numberOfGlyphs,
+ const bool isTailMode,
+ const LineRun*& ellipsisLine,
+ const Length& numberOfLaidOutGlyphs)
{
-namespace Text
+ // 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;
+ bool inserted = false;
+
+ float removedGlyphsWidth = 0.f;
+
+ 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 = fontClient.GetEllipsisGlyph(fontClient.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;
+ }
+
+ removedGlyphsWidth = -ellipsisGlyph.xBearing;
+
+ firstPenSet = true;
+ }
+
+ const float characterSpacing = GetGlyphCharacterSpacing(indexOfEllipsis, characterSpacingGlyphRuns, modelCharacterSpacing);
+ calculatedAdvance = GetCalculatedAdvance(*(textBuffer + (*(glyphToCharacterMapBuffer + indexOfEllipsis))), characterSpacing, glyphToRemove.advance);
+ removedGlyphsWidth += std::min(calculatedAdvance, (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 < removedGlyphsWidth) || (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)
+ {
+ if(isTailMode)
+ {
+ // To handle case of the mixed languages (LTR then RTL) with
+ // EllipsisPosition::END and the LayoutDirection::RIGHT_TO_LEFT
+ float nextXPositions = ellipsisLine->width;
+ if(indexOfEllipsis + 1u < numberOfGlyphs)
+ {
+ Vector2& positionOfNextGlyph = *(glyphPositions + indexOfEllipsis + 1u);
+ nextXPositions = positionOfNextGlyph.x;
+ }
+
+ if(position.x > nextXPositions) // RTL language
+ {
+ if((indexOfEllipsis > 0u) && ((position.x - nextXPositions) > removedGlyphsWidth))
+ {
+ // To handle mixed directions
+ // Re-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;
+ }
+ //Reset the width of removed glyphs
+ removedGlyphsWidth = std::min(calculatedAdvance, (glyphToRemove.xBearing + glyphToRemove.width)) - ellipsisGlyph.xBearing;
+
+ --indexOfEllipsis;
+ continue;
+ }
+ else
+ {
+ // To handle the case of RTL language with EllipsisPosition::END
+ position.x = firstPenX + removedGlyphsWidth - ellipsisGlyphWidth;
+ }
+ }
+ }
+ else
+ {
+ // To handle the case of LTR language with EllipsisPosition::START
+ position.x = firstPenX + removedGlyphsWidth - ellipsisGlyphWidth;
+ }
+ }
+ else
+ {
+ if(!isTailMode)
+ {
+ // To handle case of the mixed languages (RTL then LTR) with
+ // EllipsisPosition::START and the LayoutDirection::RIGHT_TO_LEFT
+ float nextXPositions = ellipsisLine->width;
+ if(indexOfEllipsis + 1u < numberOfGlyphs)
+ {
+ Vector2& positionOfNextGlyph = *(glyphPositions + indexOfEllipsis + 1u);
+ nextXPositions = positionOfNextGlyph.x;
+ }
+
+ if(position.x < nextXPositions) // LTR language
+ {
+ position.x = firstPenX + removedGlyphsWidth - ellipsisGlyphWidth;
+
+ if((position.x + ellipsisGlyphWidth + ellipsisGlyph.xBearing) > nextXPositions)
+ {
+ position.x -= (position.x + ellipsisGlyphWidth + ellipsisGlyph.xBearing) - nextXPositions;
+ }
+ }
+ }
+ }
+
+ 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.
+void RemoveAllGlyphsAfterEllipsisGlyph(
+ const DevelText::EllipsisPosition::Type& ellipsisPosition,
+ Length& numberOfLaidOutGlyphs,
+ const Length& numberOfActualLaidOutGlyphs,
+ const Length& numberOfRemovedGlyphs,
+ const bool isTailMode,
+ const GlyphIndex& indexOfEllipsis,
+ const LineRun*& ellipsisNextLine,
+ const LineRun*& ellipsisLine,
+ GlyphInfo*& glyphs,
+ Vector2*& glyphPositions,
+ const Length& numberOfGlyphs,
+ const GlyphIndex& startIndexOfEllipsis,
+ VisualModelPtr& visualModel)
{
+ switch(ellipsisPosition)
+ {
+ case 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;
+ visualModel->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;
+ }
+
+ visualModel->SetFirstMiddleIndexOfElidedGlyphs(firstMiddleIndexOfElidedGlyphs);
+ visualModel->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;
+
+ // Make sure that out-of-boundary does not occur.
+ if(secondMiddleIndexOfElidedGlyphs + numberOfSecondHalfGlyphs > numberOfGlyphs)
+ {
+ numberOfSecondHalfGlyphs = numberOfGlyphs - secondMiddleIndexOfElidedGlyphs;
+ }
+
+ //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));
+ }
+ break;
+ }
+
+ case 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));
+ visualModel->SetStartIndexOfElidedGlyphs(indexOfEllipsis);
+ break;
+ }
+
+ case DevelText::EllipsisPosition::END:
+ {
+ numberOfLaidOutGlyphs = numberOfActualLaidOutGlyphs - numberOfRemovedGlyphs;
+ visualModel->SetEndIndexOfElidedGlyphs(indexOfEllipsis);
+ break;
+ }
+ }
+} // unnamed namespace
+
+}
struct View::Impl
{
VisualModelPtr mVisualModel;
+ LogicalModelPtr mLogicalModel;
TextAbstraction::FontClient mFontClient; ///< Handle to the font client.
};
View::View()
-: mImpl(NULL)
+ : mImpl(NULL)
{
mImpl = new View::Impl();
mImpl->mVisualModel = visualModel;
}
+void View::SetLogicalModel(LogicalModelPtr logicalModel)
+{
+ mImpl->mLogicalModel = logicalModel;
+}
+
const Vector2& View::GetControlSize() const
{
if(mImpl->mVisualModel)
GlyphIndex glyphIndex,
Length numberOfGlyphs) const
{
- Length numberOfLaidOutGlyphs = 0u;
- Length numberOfActualLaidOutGlyphs = 0u;
+ Length numberOfLaidOutGlyphs = 0u;
+ Length numberOfActualLaidOutGlyphs = 0u;
+ const float modelCharacterSpacing = mImpl->mVisualModel->GetCharacterSpacing();
+ Vector<CharacterIndex>& glyphToCharacterMap = mImpl->mVisualModel->mGlyphsToCharacters;
+ const CharacterIndex* glyphToCharacterMapBuffer = glyphToCharacterMap.Begin();
+ float calculatedAdvance = 0.f;
+ const Character* textBuffer = mImpl->mLogicalModel->mText.Begin();
if(mImpl->mVisualModel)
{
+ // Get the character-spacing runs.
+ const Vector<CharacterSpacingGlyphRun>& characterSpacingGlyphRuns = mImpl->mVisualModel->GetCharacterSpacingGlyphRuns();
+
bool textElided = false;
DevelText::EllipsisPosition::Type ellipsisPosition = GetEllipsisPosition();
//Reset indices of ElidedGlyphs
mImpl->mVisualModel->SetStartIndexOfElidedGlyphs(0u);
- mImpl->mVisualModel->SetEndIndexOfElidedGlyphs(numberOfGlyphs);
+ mImpl->mVisualModel->SetEndIndexOfElidedGlyphs(numberOfGlyphs - 1u); // Initialization is the last index of Glyphs
mImpl->mVisualModel->SetFirstMiddleIndexOfElidedGlyphs(0u);
mImpl->mVisualModel->SetSecondMiddleIndexOfElidedGlyphs(0u);
}
}
- // 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;
- }
+ CalculateNumberOfLaidOutGlyphes(hasEllipsis, textElided, numberOfLaidOutGlyphs, numberOfActualLaidOutGlyphs, numberOfGlyphs, ellipsisPosition, ellipsisLine, numberOfLines, lines);
if(0u < numberOfActualLaidOutGlyphs)
{
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
+ switch(ellipsisPosition)
{
- // It's the last glyph in line.
- startIndexOfEllipsis = ellipsisLine->glyphRun.glyphIndex + ellipsisLine->glyphRun.numberOfGlyphs - 1u;
+ case DevelText::EllipsisPosition::START:
+ {
+ // It's the fisrt glyph in line.
+ startIndexOfEllipsis = ellipsisLine->glyphRun.glyphIndex;
+ break;
+ }
+ case 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);
+ break;
+ }
+ case DevelText::EllipsisPosition::END:
+ {
+ // It's the last glyph in line.
+ startIndexOfEllipsis = ellipsisLine->glyphRun.glyphIndex + ellipsisLine->glyphRun.numberOfGlyphs - 1u;
+ break;
+ }
}
}
const LineRun& elidedLine = *ellipsisLine;
if((1u == numberOfLines) &&
- (GetLineHeight(elidedLine) > mImpl->mVisualModel->mControlSize.height))
+ (GetLineHeight(elidedLine, true) > mImpl->mVisualModel->mControlSize.height))
{
// Replace the first glyph with ellipsis glyph
auto indexOfFirstGlyph = (ellipsisPosition == DevelText::EllipsisPosition::START) ? startIndexOfEllipsis : 0u;
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;
(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);
+ InsertEllipsisGlyph(
+ glyphs, indexOfEllipsis, numberOfRemovedGlyphs, glyphPositions, mImpl->mFontClient, characterSpacingGlyphRuns, modelCharacterSpacing,
+ calculatedAdvance, textBuffer, glyphToCharacterMapBuffer, numberOfGlyphs, isTailMode, ellipsisLine, numberOfLaidOutGlyphs);
- // 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);
- }
+ RemoveAllGlyphsAfterEllipsisGlyph(
+ ellipsisPosition, numberOfLaidOutGlyphs, numberOfActualLaidOutGlyphs, numberOfRemovedGlyphs, isTailMode, indexOfEllipsis, ellipsisNextLine,
+ ellipsisLine, glyphs, glyphPositions, numberOfGlyphs, startIndexOfEllipsis, mImpl->mVisualModel);
}
}
}
return numberOfLaidOutGlyphs;
}
-const Vector4* const View::GetColors() const
+const Vector4* View::GetColors() const
{
if(mImpl->mVisualModel)
{
return NULL;
}
-const ColorIndex* const View::GetColorIndices() const
+const ColorIndex* View::GetColorIndices() const
{
if(mImpl->mVisualModel)
{
return NULL;
}
-const Vector4* const View::GetBackgroundColors() const
+const Vector4* View::GetBackgroundColors() const
{
if(mImpl->mVisualModel)
{
return nullptr;
}
-const ColorIndex* const View::GetBackgroundColorIndices() const
+const ColorIndex* View::GetBackgroundColorIndices() const
{
if(mImpl->mVisualModel)
{
return nullptr;
}
-bool const View::IsMarkupBackgroundColorSet() const
+bool View::IsMarkupBackgroundColorSet() const
{
if(mImpl->mVisualModel)
{
return false;
}
+bool View::IsMarkupUnderlineSet() const
+{
+ return (GetNumberOfUnderlineRuns() > 0u);
+}
+
const GlyphInfo* View::GetHyphens() const
{
if(mImpl->mVisualModel)
return 0.0f;
}
+Text::Underline::Type View::GetUnderlineType() const
+{
+ Text::Underline::Type type = Text::Underline::Type::SOLID;
+ if(mImpl->mVisualModel)
+ {
+ type = mImpl->mVisualModel->GetUnderlineType();
+ }
+ return type;
+}
+
+float View::GetDashedUnderlineWidth() const
+{
+ float width = 0.0f;
+ if(mImpl->mVisualModel)
+ {
+ width = mImpl->mVisualModel->GetDashedUnderlineWidth();
+ }
+ return width;
+}
+
+float View::GetDashedUnderlineGap() const
+{
+ float gap = 0.0f;
+ if(mImpl->mVisualModel)
+ {
+ gap = mImpl->mVisualModel->GetDashedUnderlineGap();
+ }
+ return gap;
+}
+
Length View::GetNumberOfUnderlineRuns() const
{
if(mImpl->mVisualModel)
return 0u;
}
-void View::GetUnderlineRuns(GlyphRun* underlineRuns,
- UnderlineRunIndex index,
- Length numberOfRuns) const
+void View::GetUnderlineRuns(UnderlinedGlyphRun* underlineRuns,
+ UnderlineRunIndex index,
+ Length numberOfRuns) const
{
if(mImpl->mVisualModel)
{
}
}
+const Vector2& View::GetOutlineOffset() const
+{
+// TODO : We should support outline offset to editable text.
+/*
+ if(mImpl->mVisualModel)
+ {
+ return mImpl->mVisualModel->GetOutlineOffset();
+ }
+*/
+ return Vector2::ZERO;
+}
+
const Vector4& View::GetOutlineColor() const
{
if(mImpl->mVisualModel)
return (mImpl->mVisualModel) ? mImpl->mVisualModel->IsStrikethroughEnabled() : false;
}
+bool View::IsMarkupStrikethroughSet() const
+{
+ return (GetNumberOfStrikethroughRuns() > 0u);
+}
+
float View::GetStrikethroughHeight() const
{
return (mImpl->mVisualModel) ? mImpl->mVisualModel->GetStrikethroughHeight() : 0.0f;
}
-} // namespace Text
+Length View::GetNumberOfStrikethroughRuns() const
+{
+ if(mImpl->mVisualModel)
+ {
+ return mImpl->mVisualModel->GetNumberOfStrikethroughRuns();
+ }
+
+ return 0u;
+}
+
+void View::GetStrikethroughRuns(StrikethroughGlyphRun* strikethroughRuns,
+ StrikethroughRunIndex index,
+ Length numberOfRuns) const
+{
+ if(mImpl->mVisualModel)
+ {
+ mImpl->mVisualModel->GetStrikethroughRuns(strikethroughRuns,
+ index,
+ numberOfRuns);
+ }
+}
-} // namespace Toolkit
+Length View::GetNumberOfBoundedParagraphRuns() const
+{
+ if(mImpl->mLogicalModel)
+ {
+ return mImpl->mLogicalModel->GetNumberOfBoundedParagraphRuns();
+ }
+
+ return 0u;
+}
+
+const Vector<BoundedParagraphRun>& View::GetBoundedParagraphRuns() const
+{
+ return mImpl->mLogicalModel->GetBoundedParagraphRuns();
+}
+
+float View::GetCharacterSpacing() const
+{
+ return mImpl->mVisualModel->GetCharacterSpacing();
+}
+
+const Character* View::GetTextBuffer() const
+{
+ return mImpl->mLogicalModel->mText.Begin();
+}
+
+const Vector<CharacterIndex>& View::GetGlyphsToCharacters() const
+{
+ return mImpl->mVisualModel->GetGlyphsToCharacters();
+}
-} // namespace Dali
+} // namespace Dali::Toolkit::Text
projects / platform / core / uifw / dali-toolkit.git / blobdiff