const float ONE( 1.0f );
const uint32_t DEFAULT_ATLAS_WIDTH = 512u;
const uint32_t DEFAULT_ATLAS_HEIGHT = 512u;
-const int NO_OUTLINE( 0 );
+const uint32_t NO_OUTLINE = 0;
}
struct AtlasRenderer::Impl
TextCacheEntry()
: mFontId( 0 ),
mIndex( 0 ),
+ mOutlineWidth( 0 ),
mImageId( 0 )
{
}
FontId mFontId;
Text::GlyphIndex mIndex;
+ uint32_t mOutlineWidth;
uint32_t mImageId;
};
return false;
}
+ void CacheGlyph( const GlyphInfo& glyph, FontId lastFontId, uint32_t outline, AtlasManager::AtlasSlot& slot )
+ {
+ const bool glyphNotCached = !mGlyphManager.IsCached( glyph.fontId, glyph.index, outline, slot ); // Check FontGlyphRecord vector for entry with glyph index and fontId
+
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "AddGlyphs fontID[%u] glyphIndex[%u] [%s]\n", glyph.fontId, glyph.index, (glyphNotCached)?"not cached":"cached" );
+
+ if( glyphNotCached )
+ {
+ MaxBlockSize& blockSize = mBlockSizes[0u];
+
+ if ( lastFontId != glyph.fontId )
+ {
+ uint32_t index = 0u;
+ // Looks through all stored block sizes until finds the one which mataches required glyph font it. Ensures new atlas block size will match existing for same font id.
+ // CalculateBlocksSize() above ensures a block size entry exists.
+ for( std::vector<MaxBlockSize>::const_iterator it = mBlockSizes.begin(),
+ endIt = mBlockSizes.end();
+ it != endIt;
+ ++it, ++index )
+ {
+ const MaxBlockSize& blockSizeEntry = *it;
+ if( blockSizeEntry.mFontId == glyph.fontId )
+ {
+ blockSize = mBlockSizes[index];
+ }
+ }
+ }
+
+ // Create a new image for the glyph
+ PixelData bitmap;
+
+ // Whether the glyph is an outline.
+ const bool isOutline = 0u != outline;
+
+ // Whether the current glyph is a color one.
+ const bool isColorGlyph = mFontClient.IsColorGlyph( glyph.fontId, glyph.index );
+
+ if( !isOutline || ( isOutline && !isColorGlyph) )
+ {
+ // Retrieve the emoji's bitmap.
+ TextAbstraction::FontClient::GlyphBufferData glyphBufferData;
+ glyphBufferData.width = isColorGlyph ? glyph.width : 0; // Desired width and height.
+ glyphBufferData.height = isColorGlyph ? glyph.height : 0;
+
+ mFontClient.CreateBitmap( glyph.fontId,
+ glyph.index,
+ glyphBufferData,
+ outline );
+
+ // Create the pixel data.
+ bitmap = PixelData::New( glyphBufferData.buffer,
+ glyphBufferData.width * glyphBufferData.height * GetBytesPerPixel( glyphBufferData.format ),
+ glyphBufferData.width,
+ glyphBufferData.height,
+ glyphBufferData.format,
+ PixelData::DELETE_ARRAY );
+
+ if( bitmap )
+ {
+ // Ensure that the next image will fit into the current block size
+ if( bitmap.GetWidth() > blockSize.mNeededBlockWidth )
+ {
+ blockSize.mNeededBlockWidth = bitmap.GetWidth();
+ }
+
+ if( bitmap.GetHeight() > blockSize.mNeededBlockHeight )
+ {
+ blockSize.mNeededBlockHeight = bitmap.GetHeight();
+ }
+
+ // If CheckAtlas in AtlasManager::Add can't fit the bitmap in the current atlas it will create a new atlas
+
+ // Setting the block size and size of new atlas does not mean a new one will be created. An existing atlas may still surffice.
+ mGlyphManager.SetNewAtlasSize( DEFAULT_ATLAS_WIDTH,
+ DEFAULT_ATLAS_HEIGHT,
+ blockSize.mNeededBlockWidth,
+ blockSize.mNeededBlockHeight );
+
+ // Locate a new slot for our glyph
+ mGlyphManager.Add( glyph, outline, bitmap, slot ); // slot will be 0 is glyph not added
+ }
+ }
+ }
+ else
+ {
+ // We have 2+ copies of the same glyph
+ mGlyphManager.AdjustReferenceCount( glyph.fontId, glyph.index, outline, 1 ); //increment
+ }
+ }
+
+ void GenerateMesh( const GlyphInfo& glyph,
+ const Vector2& position,
+ const Vector4& color,
+ uint32_t outline,
+ AtlasManager::AtlasSlot& slot,
+ bool underlineGlyph,
+ float currentUnderlinePosition,
+ float currentUnderlineThickness,
+ std::vector<MeshRecord>& meshContainer,
+ Vector<TextCacheEntry>& newTextCache,
+ Vector<Extent>& extents )
+ {
+ // Generate mesh data for this quad, plugging in our supplied position
+ AtlasManager::Mesh2D newMesh;
+ mGlyphManager.GenerateMeshData( slot.mImageId, position, newMesh );
+
+ TextCacheEntry textCacheEntry;
+ textCacheEntry.mFontId = glyph.fontId;
+ textCacheEntry.mImageId = slot.mImageId;
+ textCacheEntry.mIndex = glyph.index;
+ textCacheEntry.mOutlineWidth = outline;
+
+ newTextCache.PushBack( textCacheEntry );
+
+ AtlasManager::Vertex2D* verticesBuffer = newMesh.mVertices.Begin();
+
+ for( unsigned int index = 0u, size = newMesh.mVertices.Count();
+ index < size;
+ ++index )
+ {
+ AtlasManager::Vertex2D& vertex = *( verticesBuffer + index );
+
+ // Set the color of the vertex.
+ vertex.mColor = color;
+ }
+
+ // Find an existing mesh data object to attach to ( or create a new one, if we can't find one using the same atlas)
+ StitchTextMesh( meshContainer,
+ newMesh,
+ extents,
+ position.y + glyph.yBearing,
+ underlineGlyph,
+ currentUnderlinePosition,
+ currentUnderlineThickness,
+ slot );
+ }
+
+ void CreateActors( const std::vector<MeshRecord>& meshContainer,
+ const Size& textSize,
+ const Vector4& color,
+ const Vector4& shadowColor,
+ const Vector2& shadowOffset,
+ Actor textControl,
+ Property::Index animatablePropertyIndex,
+ bool drawShadow )
+ {
+ if( !mActor )
+ {
+ // Create a container actor to act as a common parent for text and shadow, to avoid color inheritence issues.
+ mActor = Actor::New();
+ mActor.SetParentOrigin( ParentOrigin::TOP_LEFT );
+ mActor.SetAnchorPoint( AnchorPoint::TOP_LEFT );
+ mActor.SetSize( textSize );
+ mActor.SetColorMode( USE_OWN_MULTIPLY_PARENT_COLOR );
+ }
+
+ for( std::vector< MeshRecord >::const_iterator it = meshContainer.begin(),
+ endIt = meshContainer.end();
+ it != endIt; ++it )
+ {
+ const MeshRecord& meshRecord = *it;
+
+ Actor actor = CreateMeshActor( textControl, animatablePropertyIndex, color, meshRecord, textSize, STYLE_NORMAL );
+
+ // Whether the actor has renderers.
+ const bool hasRenderer = actor.GetRendererCount() > 0u;
+
+ // Create an effect if necessary
+ if( hasRenderer &&
+ drawShadow )
+ {
+ // Change the color of the vertices.
+ for( Vector<AtlasManager::Vertex2D>::Iterator vIt = meshRecord.mMesh.mVertices.Begin(),
+ vEndIt = meshRecord.mMesh.mVertices.End();
+ vIt != vEndIt;
+ ++vIt )
+ {
+ AtlasManager::Vertex2D& vertex = *vIt;
+
+ vertex.mColor = shadowColor;
+ }
+
+ Actor shadowActor = CreateMeshActor(textControl, animatablePropertyIndex, color, meshRecord, textSize, STYLE_DROP_SHADOW );
+#if defined(DEBUG_ENABLED)
+ shadowActor.SetName( "Text Shadow renderable actor" );
+#endif
+ // Offset shadow in x and y
+ shadowActor.RegisterProperty("uOffset", shadowOffset );
+ Dali::Renderer renderer( shadowActor.GetRendererAt( 0 ) );
+ int depthIndex = renderer.GetProperty<int>(Dali::Renderer::Property::DEPTH_INDEX);
+ renderer.SetProperty( Dali::Renderer::Property::DEPTH_INDEX, depthIndex - 1 );
+ mActor.Add( shadowActor );
+ }
+
+ if( hasRenderer )
+ {
+ mActor.Add( actor );
+ }
+ }
+ }
+
void AddGlyphs( Text::ViewInterface& view,
Actor textControl,
Property::Index animatablePropertyIndex,
float minLineOffset )
{
AtlasManager::AtlasSlot slot;
+ slot.mImageId = 0u;
+ slot.mAtlasId = 0u;
+
+ AtlasManager::AtlasSlot slotOutline;
+ slotOutline.mImageId = 0u;
+ slotOutline.mAtlasId = 0u;
+
std::vector< MeshRecord > meshContainer;
+ std::vector< MeshRecord > meshContainerOutline;
Vector< Extent > extents;
- TextCacheEntry textCacheEntry;
mDepth = depth;
const Vector2& textSize( view.GetLayoutSize() );
const Vector2 halfTextSize( textSize * 0.5f );
const Vector2& shadowOffset( view.GetShadowOffset() );
const Vector4& shadowColor( view.GetShadowColor() );
- const bool underlineEnabled( view.IsUnderlineEnabled() );
+ const bool underlineEnabled = view.IsUnderlineEnabled();
const Vector4& underlineColor( view.GetUnderlineColor() );
- const float underlineHeight( view.GetUnderlineHeight() );
+ const float underlineHeight = view.GetUnderlineHeight();
+ const unsigned int outlineWidth = view.GetOutlineWidth();
+ const Vector4& outlineColor( view.GetOutlineColor() );
+ const bool isOutline = 0u != outlineWidth;
const bool useDefaultColor = ( NULL == colorsBuffer );
float currentUnderlinePosition = ZERO;
float currentUnderlineThickness = underlineHeight;
- uint32_t currentBlockSize = 0;
FontId lastFontId = 0;
FontId lastUnderlinedFontId = 0;
Style style = STYLE_NORMAL;
for( uint32_t i = 0, glyphSize = glyphs.Size(); i < glyphSize; ++i )
{
const GlyphInfo& glyph = *( glyphsBuffer + i );
- const bool underlineGlyph = underlineEnabled || IsGlyphUnderlined( i, underlineRuns );
- thereAreUnderlinedGlyphs = thereAreUnderlinedGlyphs || underlineGlyph;
+ const bool isGlyphUnderlined = underlineEnabled || IsGlyphUnderlined( i, underlineRuns );
+ thereAreUnderlinedGlyphs = thereAreUnderlinedGlyphs || isGlyphUnderlined;
// No operation for white space
if( glyph.width && glyph.height )
{
// Are we still using the same fontId as previous
- if( underlineGlyph && ( glyph.fontId != lastUnderlinedFontId ) )
+ if( isGlyphUnderlined && ( glyph.fontId != lastUnderlinedFontId ) )
{
// We need to fetch fresh font underline metrics
FontMetrics fontMetrics;
lastUnderlinedFontId = glyph.fontId;
} // underline
- bool glyphNotCached = !mGlyphManager.IsCached( glyph.fontId, glyph.index, slot ); // Check FontGlyphRecord vector for entry with glyph index and fontId
-
- DALI_LOG_INFO( gLogFilter, Debug::Verbose, "AddGlyphs fontID[%u] glyphIndex[%u] [%s]\n", glyph.fontId, glyph.index, (glyphNotCached)?"not cached":"cached" );
+ // Retrieves and caches the glyph's bitmap.
+ CacheGlyph( glyph, lastFontId, NO_OUTLINE, slot );
- if( glyphNotCached )
+ // Retrieves and caches the outline glyph's bitmap.
+ if( isOutline )
{
- MaxBlockSize& blockSize = mBlockSizes[currentBlockSize];
-
- if ( lastFontId != glyph.fontId )
- {
- uint32_t index = 0u;
- // Looks through all stored block sizes until finds the one which mataches required glyph font it. Ensures new atlas block size will match existing for same font id.
- // CalculateBlocksSize() above ensures a block size entry exists.
- for( std::vector<MaxBlockSize>::const_iterator it = mBlockSizes.begin(),
- endIt = mBlockSizes.end();
- it != endIt;
- ++it, ++index )
- {
- const MaxBlockSize& blockSizeEntry = *it;
- if( blockSizeEntry.mFontId == glyph.fontId )
- {
- blockSize = mBlockSizes[index];
- }
- }
- }
-
- // Create a new image for the glyph
- PixelData bitmap;
-
- // Whether the current glyph is a color one.
- const bool isColorGlyph = mFontClient.IsColorGlyph( glyph.fontId, glyph.index );
-
- // Retrieve the emoji's bitmap.
- TextAbstraction::FontClient::GlyphBufferData glyphBufferData;
- glyphBufferData.width = isColorGlyph ? glyph.width : 0; // Desired width and height.
- glyphBufferData.height = isColorGlyph ? glyph.height : 0;
-
- mFontClient.CreateBitmap( glyph.fontId,
- glyph.index,
- glyphBufferData,
- NO_OUTLINE );
-
- // Create the pixel data.
- bitmap = PixelData::New( glyphBufferData.buffer,
- glyph.width * glyph.height * GetBytesPerPixel( glyphBufferData.format ),
- glyph.width,
- glyph.height,
- glyphBufferData.format,
- PixelData::DELETE_ARRAY );
-
- if( bitmap )
- {
- // Ensure that the next image will fit into the current block size
- if( bitmap.GetWidth() > blockSize.mNeededBlockWidth )
- {
- blockSize.mNeededBlockWidth = bitmap.GetWidth();
- }
-
- if( bitmap.GetHeight() > blockSize.mNeededBlockHeight )
- {
- blockSize.mNeededBlockHeight = bitmap.GetHeight();
- }
-
- // If CheckAtlas in AtlasManager::Add can't fit the bitmap in the current atlas it will create a new atlas
-
- // Setting the block size and size of new atlas does not mean a new one will be created. An existing atlas may still surffice.
- mGlyphManager.SetNewAtlasSize( DEFAULT_ATLAS_WIDTH,
- DEFAULT_ATLAS_HEIGHT,
- blockSize.mNeededBlockWidth,
- blockSize.mNeededBlockHeight );
-
- // Locate a new slot for our glyph
- mGlyphManager.Add( glyph, bitmap, slot ); // slot will be 0 is glyph not added
- }
- }
- else
- {
- // We have 2+ copies of the same glyph
- mGlyphManager.AdjustReferenceCount( glyph.fontId, glyph.index, 1/*increment*/ );
+ CacheGlyph( glyph, lastFontId, outlineWidth, slotOutline );
}
// Move the origin (0,0) of the mesh to the center of the actor
if ( 0u != slot.mImageId ) // invalid slot id, glyph has failed to be added to atlas
{
- // Generate mesh data for this quad, plugging in our supplied position
- AtlasManager::Mesh2D newMesh;
- mGlyphManager.GenerateMeshData( slot.mImageId, position, newMesh );
- textCacheEntry.mFontId = glyph.fontId;
- textCacheEntry.mImageId = slot.mImageId;
- textCacheEntry.mIndex = glyph.index;
- newTextCache.PushBack( textCacheEntry );
-
- AtlasManager::Vertex2D* verticesBuffer = newMesh.mVertices.Begin();
+ Vector2 positionPlusOutlineOffset = position;
+ if( isOutline )
+ {
+ // Add an offset to the text.
+ const float outlineWidthOffset = static_cast<float>( outlineWidth );
+ positionPlusOutlineOffset += Vector2( outlineWidthOffset, outlineWidthOffset );
+ }
// Get the color of the character.
const ColorIndex colorIndex = useDefaultColor ? 0u : *( colorIndicesBuffer + i );
const Vector4& color = ( useDefaultColor || ( 0u == colorIndex ) ) ? defaultColor : *( colorsBuffer + colorIndex - 1u );
- for( unsigned int index = 0u, size = newMesh.mVertices.Count();
- index < size;
- ++index )
- {
- AtlasManager::Vertex2D& vertex = *( verticesBuffer + index );
-
- // Set the color of the vertex.
- vertex.mColor = color;
- }
-
- // Find an existing mesh data object to attach to ( or create a new one, if we can't find one using the same atlas)
- StitchTextMesh( meshContainer,
- newMesh,
- extents,
- position.y + glyph.yBearing,
- underlineGlyph,
- currentUnderlinePosition,
- currentUnderlineThickness,
- slot );
+ GenerateMesh( glyph,
+ positionPlusOutlineOffset,
+ color,
+ NO_OUTLINE,
+ slot,
+ isGlyphUnderlined,
+ currentUnderlinePosition,
+ currentUnderlineThickness,
+ meshContainer,
+ newTextCache,
+ extents);
lastFontId = glyph.fontId; // Prevents searching for existing blocksizes when string of the same fontId.
}
+
+ if( isOutline && ( 0u != slotOutline.mImageId ) ) // invalid slot id, glyph has failed to be added to atlas
+ {
+ GenerateMesh( glyph,
+ position,
+ outlineColor,
+ outlineWidth,
+ slotOutline,
+ false,
+ currentUnderlinePosition,
+ currentUnderlineThickness,
+ meshContainerOutline,
+ newTextCache,
+ extents);
+ }
}
} // glyphs
}
// For each MeshData object, create a mesh actor and add to the renderable actor
- if( !meshContainer.empty() )
+ bool isShadowDrawn = false;
+ if( !meshContainerOutline.empty() )
{
- if( !mActor )
- {
- // Create a container actor to act as a common parent for text and shadow, to avoid color inheritence issues.
- mActor = Actor::New();
- mActor.SetParentOrigin( ParentOrigin::TOP_LEFT );
- mActor.SetAnchorPoint( AnchorPoint::TOP_LEFT );
- mActor.SetSize( textSize );
- mActor.SetColorMode( USE_OWN_MULTIPLY_PARENT_COLOR );
- }
-
- for( std::vector< MeshRecord >::iterator it = meshContainer.begin(),
- endIt = meshContainer.end();
- it != endIt; ++it )
- {
- MeshRecord& meshRecord = *it;
-
- Actor actor = CreateMeshActor( textControl, animatablePropertyIndex, defaultColor, meshRecord, textSize, STYLE_NORMAL );
-
- // Whether the actor has renderers.
- const bool hasRenderer = actor.GetRendererCount() > 0u;
-
- // Create an effect if necessary
- if( hasRenderer &&
- ( style == STYLE_DROP_SHADOW ) )
- {
- // Change the color of the vertices.
- for( Vector<AtlasManager::Vertex2D>::Iterator vIt = meshRecord.mMesh.mVertices.Begin(),
- vEndIt = meshRecord.mMesh.mVertices.End();
- vIt != vEndIt;
- ++vIt )
- {
- AtlasManager::Vertex2D& vertex = *vIt;
-
- vertex.mColor = shadowColor;
- }
-
- Actor shadowActor = CreateMeshActor(textControl, animatablePropertyIndex, defaultColor, meshRecord, textSize, STYLE_DROP_SHADOW );
-#if defined(DEBUG_ENABLED)
- shadowActor.SetName( "Text Shadow renderable actor" );
-#endif
- // Offset shadow in x and y
- shadowActor.RegisterProperty("uOffset", shadowOffset );
- Dali::Renderer renderer( shadowActor.GetRendererAt( 0 ) );
- int depthIndex = renderer.GetProperty<int>(Dali::Renderer::Property::DEPTH_INDEX);
- renderer.SetProperty( Dali::Renderer::Property::DEPTH_INDEX, depthIndex - 1 );
- mActor.Add( shadowActor );
- }
+ const bool drawShadow = STYLE_DROP_SHADOW == style;
+ CreateActors( meshContainerOutline,
+ textSize,
+ outlineColor,
+ shadowColor,
+ shadowOffset,
+ textControl,
+ animatablePropertyIndex,
+ drawShadow );
+
+ isShadowDrawn = drawShadow;
+ }
- if( hasRenderer )
- {
- mActor.Add( actor );
- }
- }
+ // For each MeshData object, create a mesh actor and add to the renderable actor
+ if( !meshContainer.empty() )
+ {
+ const bool drawShadow = !isShadowDrawn && ( STYLE_DROP_SHADOW == style );
+ CreateActors( meshContainer,
+ textSize,
+ defaultColor,
+ shadowColor,
+ shadowOffset,
+ textControl,
+ animatablePropertyIndex,
+ drawShadow );
}
+
#if defined(DEBUG_ENABLED)
Toolkit::AtlasGlyphManager::Metrics metrics = mGlyphManager.GetMetrics();
DALI_LOG_INFO( gLogFilter, Debug::General, "TextAtlasRenderer::GlyphManager::GlyphCount: %i, AtlasCount: %i, TextureMemoryUse: %iK\n",
{
for( Vector< TextCacheEntry >::Iterator oldTextIter = mTextCache.Begin(); oldTextIter != mTextCache.End(); ++oldTextIter )
{
- mGlyphManager.AdjustReferenceCount( oldTextIter->mFontId, oldTextIter->mIndex, -1/*decrement*/ );
+ mGlyphManager.AdjustReferenceCount( oldTextIter->mFontId, oldTextIter->mIndex, oldTextIter->mOutlineWidth, -1/*decrement*/ );
}
mTextCache.Resize( 0 );
}
actor.SetSize( actorSize );
actor.RegisterProperty("uOffset", Vector2::ZERO );
actor.SetColorMode( USE_OWN_MULTIPLY_PARENT_COLOR );
+
return actor;
}
projects / platform / core / uifw / dali-toolkit.git / blobdiff