Adding Character Spacing

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / devel-api / text / text-utils-devel.cpp

diff --git a/dali-toolkit/devel-api/text/text-utils-devel.cpp b/dali-toolkit/devel-api/text/text-utils-devel.cpp
index 1441dc4..7242687 100644 (file)
--- a/dali-toolkit/devel-api/text/text-utils-devel.cpp
+++ b/dali-toolkit/devel-api/text/text-utils-devel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2022 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.
@@ -40,6 +40,7 @@
 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
 #include <dali-toolkit/internal/text/text-font-style.h>
 #include <dali-toolkit/internal/text/text-model.h>
+#include <dali-toolkit/internal/text/glyph-metrics-helper.h>
 
 namespace Dali
 {
@@ -173,7 +174,10 @@ void ShapeTextPreprocess(const RendererParameters& textParameters, TextAbstracti
   MarkupProcessData markupProcessData(colorRuns,
                                       fontDescriptionRuns,
                                       textModel->mLogicalModel->mEmbeddedItems,
-                                      textModel->mLogicalModel->mAnchors);
+                                      textModel->mLogicalModel->mAnchors,
+                                      textModel->mLogicalModel->mUnderlinedCharacterRuns,
+                                      textModel->mLogicalModel->mBackgroundColorRuns,
+                                      textModel->mLogicalModel->mStrikethroughCharacterRuns);
 
   if(textParameters.markupEnabled)
   {
@@ -811,9 +815,13 @@ void Ellipsis(const RendererParameters& textParameters, TextAbstraction::TextRen
   Text::ModelPtr& textModel  = internalDataModel.textModel;
   FontClient&     fontClient = internalDataModel.fontClient;
 
-  Vector<LineRun>& lines          = textModel->mVisualModel->mLines; // The laid out lines.
-  Vector<bool>&    isEmoji        = internalDataModel.isEmoji;
-  const Size       textLayoutArea = internalDataModel.textLayoutArea;
+  Vector<LineRun>&        lines                     = textModel->mVisualModel->mLines; // The laid out lines.
+  Vector<bool>&           isEmoji                   = internalDataModel.isEmoji;
+  const Size              textLayoutArea            = internalDataModel.textLayoutArea;
+  const float             characterSpacing          = textModel->mVisualModel->GetCharacterSpacing();
+  float                   calculatedAdvance         = 0.f;
+  Vector<CharacterIndex>& glyphToCharacterMap       = textModel->mVisualModel->mGlyphsToCharacters;
+  const CharacterIndex*   glyphToCharacterMapBuffer = glyphToCharacterMap.Begin();
   ////////////////////////////////////////////////////////////////////////////////
   // Ellipsis the text.
   ////////////////////////////////////////////////////////////////////////////////
@@ -826,7 +834,7 @@ void Ellipsis(const RendererParameters& textParameters, TextAbstraction::TextRen
     {
       Length finalNumberOfGlyphs = 0u;
 
-      if((line.ascender - line.descender) > textLayoutArea.height)
+      if((GetLineHeight(line)) > textLayoutArea.height)
       {
         // The height of the line is bigger than the height of the text area.
         // Show the ellipsis glyph even if it doesn't fit in the text area.
@@ -899,7 +907,8 @@ void Ellipsis(const RendererParameters& textParameters, TextAbstraction::TextRen
                 firstPenSet = true;
               }
 
-              removedGlypsWidth += std::min(glyphToRemove.advance, (glyphToRemove.xBearing + glyphToRemove.width));
+              calculatedAdvance = GetCalculatedAdvance(*(textModel->mLogicalModel->mText.Begin() + (*(glyphToCharacterMapBuffer + index))), characterSpacing, glyphToRemove.advance);
+              removedGlypsWidth += 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;
@@ -976,6 +985,7 @@ Size LayoutText(const RendererParameters& textParameters, TextAbstraction::TextR
   const bool               isTextMirrored          = internalDataModel.isTextMirrored;
   const Vector<Character>& mirroredUtf32Characters = internalDataModel.mirroredUtf32Characters;
   const Length             numberOfCharacters      = internalDataModel.numberOfCharacters;
+  const auto               ellipsisPosition        = textModel->mEllipsisPosition;
 
   Layout::Type layout = Layout::SINGLELINE;
 
@@ -1029,9 +1039,8 @@ Size LayoutText(const RendererParameters& textParameters, TextAbstraction::TextR
   // Resize the vector of positions to have the same size than the vector of glyphs.
   rendererParameters.positions.Resize(numberOfGlyphs);
 
-  textModel->mLineWrapMode                 = LineWrap::WORD;
-  textModel->mIgnoreSpacesAfterText        = false;
-  textModel->mMatchSystemLanguageDirection = false;
+  textModel->mLineWrapMode          = Text::LineWrap::WORD;
+  textModel->mIgnoreSpacesAfterText = false;
   Text::Layout::Parameters layoutParameters(internalDataModel.textLayoutArea,
                                             textModel);
 
@@ -1052,7 +1061,8 @@ Size LayoutText(const RendererParameters& textParameters, TextAbstraction::TextR
   layoutEngine.LayoutText(layoutParameters,
                           newLayoutSize,
                           textParameters.ellipsisEnabled,
-                          isAutoScrollEnabled);
+                          isAutoScrollEnabled,
+                          ellipsisPosition);
 
   return newLayoutSize;
 }
@@ -1385,7 +1395,8 @@ void UpdateBuffer(Devel::PixelBuffer src, Devel::PixelBuffer dst, unsigned int x
   }
 
   const unsigned int bytesPerPixel = Dali::Pixel::GetBytesPerPixel(pixelFormat);
-  if(bytesPerPixel == 0u || bytesPerPixel == 12u || bytesPerPixel == 24u)
+  // Ignore when pixelFormat is invalid or contain float
+  if(bytesPerPixel == 0u || bytesPerPixel == 6u || bytesPerPixel == 12u)
   {
     return;
   }
@@ -1521,7 +1532,7 @@ Dali::Property::Array RenderForLastIndex(RendererParameters& textParameters)
     const LineRun& line = *(lines.Begin() + index);
     numberOfCharacters += line.characterRun.numberOfCharacters;
 
-    lineOffset = lineSize > 0.f ? lineSize : (line.ascender + -line.descender);
+    lineOffset = lineSize > 0.f ? lineSize : GetLineHeight(line);
     penY += lineOffset;
     if((penY + lineOffset) > boundingBox)
     {