Minor coverity issue fixes

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / rendering / text-typesetter.cpp

diff --git a/dali-toolkit/internal/text/rendering/text-typesetter.cpp b/dali-toolkit/internal/text/rendering/text-typesetter.cpp
index 14f3da7..aaa3911 100644 (file)
--- a/dali-toolkit/internal/text/rendering/text-typesetter.cpp
+++ b/dali-toolkit/internal/text/rendering/text-typesetter.cpp
@@ -21,6 +21,7 @@
 // EXTERNAL INCLUDES
 #include <dali/devel-api/text-abstraction/font-client.h>
 #include <dali/public-api/common/constants.h>
+#include <dali/public-api/math/math-utils.h>
 #include <memory.h>
 
 // INTERNAL INCLUDES
@@ -447,7 +448,7 @@ void DrawUnderline(
 
         for(uint32_t x = xRangeMin; x < xRangeMax; x++)
         {
-          if(dashGap == 0 && dashWidth > 0)
+          if(Dali::EqualsZero(dashGap) && dashWidth > 0)
           {
             // Note : this is same logic as bitmap[y][x] = underlineColor;
             *(bitmapBuffer + x) = packedUnderlineColor;
@@ -749,12 +750,12 @@ inline Devel::PixelBuffer CreateTransparentImageBuffer(const uint32_t bufferWidt
   if(Pixel::RGBA8888 == pixelFormat)
   {
     const uint32_t bufferSizeInt  = bufferWidth * bufferHeight;
-    const uint32_t bufferSizeChar = sizeof(uint32_t) * bufferSizeInt;
+    const size_t   bufferSizeChar = sizeof(uint32_t) * static_cast<std::size_t>(bufferSizeInt);
     memset(imageBuffer.GetBuffer(), 0, bufferSizeChar);
   }
   else
   {
-    memset(imageBuffer.GetBuffer(), 0, bufferWidth * bufferHeight);
+    memset(imageBuffer.GetBuffer(), 0, static_cast<std::size_t>(bufferWidth * bufferHeight));
   }
 
   return imageBuffer;
@@ -945,7 +946,7 @@ PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirect
   const uint32_t bufferHeight = static_cast<uint32_t>(size.height);
 
   const uint32_t bufferSizeInt  = bufferWidth * bufferHeight;
-  const uint32_t bufferSizeChar = sizeof(uint32_t) * bufferSizeInt;
+  const size_t   bufferSizeChar = sizeof(uint32_t) * static_cast<std::size_t>(bufferSizeInt);
 
   //Elided text in ellipsis at START could start on index greater than 0
   auto startIndexOfGlyphs = mModel->GetStartIndexOfElidedGlyphs();
@@ -974,7 +975,8 @@ PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirect
   {
     // Generate the outline if enabled
     const uint16_t outlineWidth = mModel->GetOutlineWidth();
-    if(outlineWidth != 0u && RENDER_OVERLAY_STYLE != behaviour)
+    const float    outlineAlpha = mModel->GetOutlineColor().a;
+    if(outlineWidth != 0u && fabsf(outlineAlpha) > Math::MACHINE_EPSILON_1 && RENDER_OVERLAY_STYLE != behaviour)
     {
       // Create the image buffer for outline
       Devel::PixelBuffer outlineImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_OUTLINE, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
@@ -983,11 +985,12 @@ PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirect
       CombineImageBuffer(imageBuffer, outlineImageBuffer, bufferWidth, bufferHeight, true);
     }
 
-    // @todo. Support shadow and underline for partial text later on.
+    // @todo. Support shadow for partial text later on.
 
     // Generate the shadow if enabled
     const Vector2& shadowOffset = mModel->GetShadowOffset();
-    if(RENDER_OVERLAY_STYLE != behaviour && (fabsf(shadowOffset.x) > Math::MACHINE_EPSILON_1 || fabsf(shadowOffset.y) > Math::MACHINE_EPSILON_1))
+    const float    shadowAlpha  = mModel->GetShadowColor().a;
+    if(RENDER_OVERLAY_STYLE != behaviour && fabsf(shadowAlpha) > Math::MACHINE_EPSILON_1 && (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, startIndexOfGlyphs, endIndexOfGlyphs);
@@ -1004,17 +1007,6 @@ PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirect
       CombineImageBuffer(imageBuffer, shadowImageBuffer, bufferWidth, bufferHeight, true);
     }
 
-    // Generate the underline if enabled
-    const bool underlineEnabled = mModel->IsUnderlineEnabled();
-    if(underlineEnabled && RENDER_OVERLAY_STYLE == behaviour)
-    {
-      // Create the image buffer for underline
-      Devel::PixelBuffer underlineImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_UNDERLINE, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
-
-      // Combine the two buffers
-      CombineImageBuffer(imageBuffer, underlineImageBuffer, bufferWidth, bufferHeight, true);
-    }
-
     // Generate the background if enabled
     const bool backgroundEnabled   = mModel->IsBackgroundEnabled();
     const bool backgroundMarkupSet = mModel->IsMarkupBackgroundColorSet();
@@ -1040,20 +1032,40 @@ PixelData Typesetter::Render(const Vector2& size, Toolkit::DevelText::TextDirect
       CombineImageBuffer(imageBuffer, backgroundImageBuffer, bufferWidth, bufferHeight, true);
     }
 
-    // Generate the strikethrough if enabled
-    const bool strikethroughEnabled = mModel->IsStrikethroughEnabled();
-    if(strikethroughEnabled && RENDER_OVERLAY_STYLE == behaviour)
+    if(RENDER_OVERLAY_STYLE == behaviour)
     {
-      // Create the image buffer for strikethrough
-      Devel::PixelBuffer strikethroughImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_STRIKETHROUGH, ignoreHorizontalAlignment, pixelFormat, penX, penY, 0u, endIndexOfGlyphs);
+      if(mModel->IsUnderlineEnabled())
+      {
+        // Create the image buffer for underline
+        Devel::PixelBuffer underlineImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_UNDERLINE, ignoreHorizontalAlignment, pixelFormat, penX, penY, startIndexOfGlyphs, endIndexOfGlyphs);
 
-      // Combine the two buffers
-      CombineImageBuffer(imageBuffer, strikethroughImageBuffer, bufferWidth, bufferHeight, true);
-    }
+        // Combine the two buffers
+        CombineImageBuffer(imageBuffer, underlineImageBuffer, bufferWidth, bufferHeight, true);
+      }
+
+      if(mModel->IsStrikethroughEnabled())
+      {
+        // Create the image buffer for strikethrough
+        Devel::PixelBuffer strikethroughImageBuffer = CreateImageBuffer(bufferWidth, bufferHeight, Typesetter::STYLE_STRIKETHROUGH, ignoreHorizontalAlignment, pixelFormat, penX, penY, 0u, endIndexOfGlyphs);
 
-    // Markup-Processor
+        // Combine the two buffers
+        CombineImageBuffer(imageBuffer, strikethroughImageBuffer, bufferWidth, bufferHeight, true);
+      }
+
+      // Markup-Processor for overlay styles
+      if(mModel->IsMarkupProcessorEnabled() || mModel->IsSpannedTextPlaced())
+      {
+        if(mModel->IsMarkupUnderlineSet())
+        {
+          imageBuffer = ApplyUnderlineMarkupImageBuffer(imageBuffer, bufferWidth, bufferHeight, ignoreHorizontalAlignment, pixelFormat, penX, penY);
+        }
 
-    imageBuffer = ApplyMarkupProcessorOnPixelBuffer(imageBuffer, bufferWidth, bufferHeight, ignoreHorizontalAlignment, pixelFormat, penX, penY);
+        if(mModel->IsMarkupStrikethroughSet())
+        {
+          imageBuffer = ApplyStrikethroughMarkupImageBuffer(imageBuffer, bufferWidth, bufferHeight, ignoreHorizontalAlignment, pixelFormat, penX, penY);
+        }
+      }
+    }
   }
 
   // Create the final PixelData for the combined image buffer
@@ -1490,20 +1502,6 @@ Devel::PixelBuffer Typesetter::ApplyStrikethroughMarkupImageBuffer(Devel::PixelB
   return topPixelBuffer;
 }
 
-Devel::PixelBuffer Typesetter::ApplyMarkupProcessorOnPixelBuffer(Devel::PixelBuffer topPixelBuffer, const uint32_t bufferWidth, const uint32_t bufferHeight, const bool ignoreHorizontalAlignment, const Pixel::Format pixelFormat, const int32_t horizontalOffset, const int32_t verticalOffset)
-{
-  // Apply the markup-Processor if enabled
-  const bool markupProcessorEnabled = mModel->IsMarkupProcessorEnabled();
-  if(markupProcessorEnabled)
-  {
-    topPixelBuffer = ApplyUnderlineMarkupImageBuffer(topPixelBuffer, bufferWidth, bufferHeight, ignoreHorizontalAlignment, pixelFormat, horizontalOffset, verticalOffset);
-
-    topPixelBuffer = ApplyStrikethroughMarkupImageBuffer(topPixelBuffer, bufferWidth, bufferHeight, ignoreHorizontalAlignment, pixelFormat, horizontalOffset, verticalOffset);
-  }
-
-  return topPixelBuffer;
-}
-
 Typesetter::Typesetter(const ModelInterface* const model)
 : mModel(new ViewModel(model))
 {