Reduce text visual memory consumption for text with no styles and emojis

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

diff --git a/dali-toolkit/internal/text/rendering/text-typesetter.h b/dali-toolkit/internal/text/rendering/text-typesetter.h
index c1408cc..285348e 100644 (file)
--- a/dali-toolkit/internal/text/rendering/text-typesetter.h
+++ b/dali-toolkit/internal/text/rendering/text-typesetter.h
@@ -21,6 +21,7 @@
 // EXTERNAL INCLUDES
 #include <dali/public-api/common/intrusive-ptr.h>
 #include <dali/public-api/object/ref-object.h>
 // EXTERNAL INCLUDES
 #include <dali/public-api/common/intrusive-ptr.h>
 #include <dali/public-api/object/ref-object.h>

+#include <dali/public-api/images/pixel.h>

 #include <dali/public-api/images/pixel-data.h>
 #include <dali/devel-api/text-abstraction/text-abstraction-definitions.h>
 #include <dali/devel-api/adaptor-framework/pixel-buffer.h>
 #include <dali/public-api/images/pixel-data.h>
 #include <dali/devel-api/text-abstraction/text-abstraction-definitions.h>
 #include <dali/devel-api/adaptor-framework/pixel-buffer.h>


@@ -103,10 +104,11 @@ public:
    * @param[in] size The renderer size.
    * @param[in] behaviour The behaviour of how to render the text (i.e. whether to render the text only or the styles only or both).
    * @param[in] ignoreHorizontalAlignment Whether to ignore the horizontal alignment (i.e. always render as if HORIZONTAL_ALIGN_BEGIN).
    * @param[in] size The renderer size.
    * @param[in] behaviour The behaviour of how to render the text (i.e. whether to render the text only or the styles only or both).
    * @param[in] ignoreHorizontalAlignment Whether to ignore the horizontal alignment (i.e. always render as if HORIZONTAL_ALIGN_BEGIN).

+   * @param[in] pixelFormat The format of the pixel in the image that the text is rendered as (i.e. either Pixel::BGRA8888 or Pixel::L8).

    *
    * @return A pixel data with the text rendered.
    */
    *
    * @return A pixel data with the text rendered.
    */

-  PixelData Render( const Vector2& size, RenderBehaviour behaviour = RENDER_TEXT_AND_STYLES, bool ignoreHorizontalAlignment = false );
+  PixelData Render( const Vector2& size, RenderBehaviour behaviour = RENDER_TEXT_AND_STYLES, bool ignoreHorizontalAlignment = false, Pixel::Format pixelFormat = Pixel::RGBA8888 );

 
 private:
   /**
 
 private:
   /**


@@ -134,16 +136,17 @@ private:
    * @param[in] bufferHeight The height of the image buffer.
    * @param[in] style The style of the text.
    * @param[in] ignoreHorizontalAlignment Whether to ignore the horizontal alignment, not ignored by default.
    * @param[in] bufferHeight The height of the image buffer.
    * @param[in] style The style of the text.
    * @param[in] ignoreHorizontalAlignment Whether to ignore the horizontal alignment, not ignored by default.

+   * @param[in] pixelFormat The format of the pixel in the image that the text is rendered as (i.e. either Pixel::BGRA8888 or Pixel::L8).

    * @param[in] verticalOffset The vertical offset to be added to the glyph's position.
    * @param[in] fromGlyphIndex The index of the first glyph within the text to be drawn
    * @param[in] toGlyphIndex The index of the last glyph within the text to be drawn
    *
    * @return An image buffer with the text.
    */
    * @param[in] verticalOffset The vertical offset to be added to the glyph's position.
    * @param[in] fromGlyphIndex The index of the first glyph within the text to be drawn
    * @param[in] toGlyphIndex The index of the last glyph within the text to be drawn
    *
    * @return An image buffer with the text.
    */

-  Devel::PixelBuffer CreateImageBuffer( const unsigned int bufferWidth, const unsigned int bufferHeight, Typesetter::Style style, bool ignoreHorizontalAlignment, int verticalOffset, TextAbstraction::GlyphIndex fromGlyphIndex, TextAbstraction::GlyphIndex toGlyphIndex );
+  Devel::PixelBuffer CreateImageBuffer( const unsigned int bufferWidth, const unsigned int bufferHeight, Typesetter::Style style, bool ignoreHorizontalAlignment, Pixel::Format pixelFormat, int verticalOffset, TextAbstraction::GlyphIndex fromGlyphIndex, TextAbstraction::GlyphIndex toGlyphIndex );

 
   /**
 
   /**

-   * @brief Combine the two image buffers together.
+   * @brief Combine the two RGBA image buffers together.

    *
    * The top layer buffer will blend over the bottom layer buffer:
    * - If the pixel is not fully opaque from either buffer, it will be blended with
    *
    * The top layer buffer will blend over the bottom layer buffer:
    * - If the pixel is not fully opaque from either buffer, it will be blended with


@@ -159,7 +162,7 @@ private:
    * @return The combined image buffer with the text.
    *
    */
    * @return The combined image buffer with the text.
    *
    */

-  Devel::PixelBuffer CombineImageBuffer( Devel::PixelBuffer topPixelBuffer, Devel::PixelBuffer bottomPixelBuffer, const unsigned int bufferWidth, const unsigned int bufferHeight );
+  Devel::PixelBuffer CombineImageBuffer( Devel::PixelBuffer topPixelBuffer, Devel::PixelBuffer bottomPixelBuffer, const unsigned int bufferWidth, const unsigned int bufferHeightbool );

 
 protected:
 
 
 protected: