X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Frendering%2Fatlas%2Ftext-atlas-renderer.cpp;h=7a765343495beafdd5794323603eadcbb2783ba7;hp=789dfaff68e680b28a4a6693086cfa20c516e7e9;hb=a2de9cf491172cd5da9dc9ed60b17683dab6d7bc;hpb=68398f4bf6958cd60f12b930e240d0d75e9e7d29 diff --git a/dali-toolkit/internal/text/rendering/atlas/text-atlas-renderer.cpp b/dali-toolkit/internal/text/rendering/atlas/text-atlas-renderer.cpp index 789dfaf..7a76534 100644 --- a/dali-toolkit/internal/text/rendering/atlas/text-atlas-renderer.cpp +++ b/dali-toolkit/internal/text/rendering/atlas/text-atlas-renderer.cpp @@ -19,17 +19,17 @@ #include // EXTERNAL INCLUDES -#include -#include -#include +#include #include -#include -#include +#include #include -#include + // INTERNAL INCLUDES -#include +#include +#include #include +#include +#include using namespace Dali; using namespace Dali::Toolkit; @@ -44,13 +44,12 @@ namespace const float ZERO( 0.0f ); const float HALF( 0.5f ); const float ONE( 1.0f ); -const float TWO( 2.0f ); const uint32_t DEFAULT_ATLAS_WIDTH = 512u; const uint32_t DEFAULT_ATLAS_HEIGHT = 512u; } -struct AtlasRenderer::Impl : public ConnectionTracker -{ +struct AtlasRenderer::Impl +{ enum Style { STYLE_NORMAL, @@ -59,15 +58,32 @@ struct AtlasRenderer::Impl : public ConnectionTracker struct MeshRecord { - Vector4 mColor; + MeshRecord() + : mAtlasId( 0u ) + { + } + uint32_t mAtlasId; AtlasManager::Mesh2D mMesh; FrameBufferImage mBuffer; - bool mIsUnderline; }; + /** + * brief Struct used to generate the underline mesh. + * There is one Extent per line of text. + */ struct Extent { + Extent() + : mBaseLine( 0.0f ), + mLeft( 0.0f ), + mRight( 0.0f ), + mUnderlinePosition( 0.0f ), + mUnderlineThickness( 0.0f ), + mMeshRecordIndex( 0u ) + { + } + float mBaseLine; float mLeft; float mRight; @@ -78,6 +94,13 @@ struct AtlasRenderer::Impl : public ConnectionTracker struct MaxBlockSize { + MaxBlockSize() + : mFontId( 0 ), + mNeededBlockWidth( 0 ), + mNeededBlockHeight( 0 ) + { + } + FontId mFontId; uint32_t mNeededBlockWidth; uint32_t mNeededBlockHeight; @@ -85,35 +108,65 @@ struct AtlasRenderer::Impl : public ConnectionTracker struct CheckEntry { + CheckEntry() + : mFontId( 0 ), + mIndex( 0 ) + { + } + FontId mFontId; Text::GlyphIndex mIndex; }; struct TextCacheEntry { + TextCacheEntry() + : mFontId( 0 ), + mIndex( 0 ), + mImageId( 0 ) + { + } + FontId mFontId; Text::GlyphIndex mIndex; uint32_t mImageId; }; Impl() + : mDepth( 0 ) { mGlyphManager = AtlasGlyphManager::Get(); mFontClient = TextAbstraction::FontClient::Get(); mQuadVertexFormat[ "aPosition" ] = Property::VECTOR2; mQuadVertexFormat[ "aTexCoord" ] = Property::VECTOR2; - mQuadIndexFormat[ "indices" ] = Property::UNSIGNED_INTEGER; + mQuadVertexFormat[ "aColor" ] = Property::VECTOR4; + mQuadIndexFormat[ "indices" ] = Property::INTEGER; } - void AddGlyphs( const std::vector& positions, + bool IsGlyphUnderlined( GlyphIndex index, + const Vector& underlineRuns ) + { + for( Vector::ConstIterator it = underlineRuns.Begin(), + endIt = underlineRuns.End(); + it != endIt; + ++it ) + { + const GlyphRun& run = *it; + + if( ( run.glyphIndex <= index ) && ( index < run.glyphIndex + run.numberOfGlyphs ) ) + { + return true; + } + } + + return false; + } + + void AddGlyphs( Text::ViewInterface& view, + const Vector& positions, const Vector& glyphs, - const Vector4& textColor, - const Vector2& shadowOffset, - const Vector4& shadowColor, - bool underlineEnabled, - const Vector4& underlineColor, - float underlineHeight, + const Vector& colors, int depth ) { AtlasManager::AtlasSlot slot; @@ -122,10 +175,30 @@ struct AtlasRenderer::Impl : public ConnectionTracker TextCacheEntry textCacheEntry; mDepth = depth; + const Vector2& actorSize( view.GetControlSize() ); + 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 Vector4& underlineColor( view.GetUnderlineColor() ); + const float underlineHeight( view.GetUnderlineHeight() ); + + // Get the underline runs. + const Length numberOfUnderlineRuns = view.GetNumberOfUnderlineRuns(); + Vector underlineRuns; + underlineRuns.Resize( numberOfUnderlineRuns ); + view.GetUnderlineRuns( underlineRuns.Begin(), + 0u, + numberOfUnderlineRuns ); + + bool thereAreUnderlinedGlyphs = false; + float currentUnderlinePosition = ZERO; float currentUnderlineThickness = underlineHeight; uint32_t currentBlockSize = 0; FontId lastFontId = 0; + FontId lastUnderlinedFontId = 0; Style style = STYLE_NORMAL; if ( fabsf( shadowOffset.x ) > Math::MACHINE_EPSILON_1 || fabsf( shadowOffset.y ) > Math::MACHINE_EPSILON_1 ) @@ -133,31 +206,34 @@ struct AtlasRenderer::Impl : public ConnectionTracker style = STYLE_DROP_SHADOW; } - if ( mTextCache.Size() ) - { - // Update the glyph cache with any changes to current text - RemoveText( glyphs ); - } - CalculateBlocksSize( glyphs ); + // Avoid emptying mTextCache (& removing references) until after incremented references for the new text + Vector< TextCacheEntry > newTextCache; + const GlyphInfo* const glyphsBuffer = glyphs.Begin(); + const Vector2* const positionsBuffer = positions.Begin(); + const Vector4* const colorsBuffer = colors.Begin(); + for( uint32_t i = 0, glyphSize = glyphs.Size(); i < glyphSize; ++i ) { - const GlyphInfo& glyph = glyphs[ i ]; + const GlyphInfo& glyph = *( glyphsBuffer + i ); + + const bool underlineGlyph = underlineEnabled || IsGlyphUnderlined( i, underlineRuns ); + thereAreUnderlinedGlyphs = thereAreUnderlinedGlyphs || underlineGlyph; // No operation for white space - if ( glyph.width && glyph.height ) + if( glyph.width && glyph.height ) { // Are we still using the same fontId as previous - if ( glyph.fontId != lastFontId ) + if( underlineGlyph && ( glyph.fontId != lastUnderlinedFontId ) ) { // We need to fetch fresh font underline metrics FontMetrics fontMetrics; mFontClient.GetFontMetrics( glyph.fontId, fontMetrics ); currentUnderlinePosition = ceil( fabsf( fontMetrics.underlinePosition ) ); - float descender = ceil( fabsf( fontMetrics.descender ) ); + const float descender = ceil( fabsf( fontMetrics.descender ) ); - if ( underlineHeight == ZERO ) + if( fabsf( underlineHeight ) < Math::MACHINE_EPSILON_1000 ) { currentUnderlineThickness = fontMetrics.underlineThickness; @@ -173,110 +249,193 @@ struct AtlasRenderer::Impl : public ConnectionTracker } // Clamp the underline position at the font descender and check for ( as EFL describes it ) a broken font - if ( currentUnderlinePosition > descender ) + if( currentUnderlinePosition > descender ) { currentUnderlinePosition = descender; } - if ( ZERO == currentUnderlinePosition ) + + if( fabsf( currentUnderlinePosition ) < Math::MACHINE_EPSILON_1000 ) { // Move offset down by one ( EFL behavior ) currentUnderlinePosition = ONE; } - } - const Vector2& position = positions[ i ]; - AtlasManager::Mesh2D newMesh; + lastUnderlinedFontId = glyph.fontId; + } // underline - if ( !mGlyphManager.Cached( glyph.fontId, glyph.index, slot ) ) + if( !mGlyphManager.IsCached( glyph.fontId, glyph.index, slot ) ) { // Select correct size for new atlas if needed....? - if ( lastFontId != glyph.fontId ) + if( lastFontId != glyph.fontId ) { - for ( uint32_t j = 0; j < mBlockSizes.size(); ++j ) + uint32_t index = 0u; + for( std::vector::const_iterator it = mBlockSizes.begin(), + endIt = mBlockSizes.end(); + it != endIt; + ++it, ++index ) { - if ( mBlockSizes[ j ].mFontId == glyph.fontId ) + const MaxBlockSize& blockSize = *it; + if( blockSize.mFontId == glyph.fontId ) { - currentBlockSize = j; + currentBlockSize = index; mGlyphManager.SetNewAtlasSize( DEFAULT_ATLAS_WIDTH, DEFAULT_ATLAS_HEIGHT, - mBlockSizes[ j ].mNeededBlockWidth, - mBlockSizes[ j ].mNeededBlockHeight ); + blockSize.mNeededBlockWidth, + blockSize.mNeededBlockHeight ); } } } // Create a new image for the glyph BufferImage bitmap = mFontClient.CreateBitmap( glyph.fontId, glyph.index ); - if ( bitmap ) + if( bitmap ) { + MaxBlockSize& blockSize = mBlockSizes[currentBlockSize]; + // Ensure that the next image will fit into the current block size bool setSize = false; - if ( bitmap.GetWidth() > mBlockSizes[ currentBlockSize ].mNeededBlockWidth ) + if( bitmap.GetWidth() > blockSize.mNeededBlockWidth ) { setSize = true; - mBlockSizes[ currentBlockSize ].mNeededBlockWidth = bitmap.GetWidth(); + blockSize.mNeededBlockWidth = bitmap.GetWidth(); } - if ( bitmap.GetHeight() > mBlockSizes[ currentBlockSize ].mNeededBlockHeight ) + if( bitmap.GetHeight() > blockSize.mNeededBlockHeight ) { setSize = true; - mBlockSizes[ currentBlockSize ].mNeededBlockHeight = bitmap.GetHeight(); + blockSize.mNeededBlockHeight = bitmap.GetHeight(); } - if ( setSize ) + if( setSize ) { mGlyphManager.SetNewAtlasSize( DEFAULT_ATLAS_WIDTH, DEFAULT_ATLAS_HEIGHT, - mBlockSizes[ currentBlockSize ].mNeededBlockWidth, - mBlockSizes[ currentBlockSize ].mNeededBlockHeight ); + blockSize.mNeededBlockWidth, + blockSize.mNeededBlockHeight ); } // Locate a new slot for our glyph mGlyphManager.Add( glyph, bitmap, slot ); } } + else + { + // We have 2+ copies of the same glyph + mGlyphManager.AdjustReferenceCount( glyph.fontId, glyph.index, 1/*increment*/ ); + } + + // Move the origin (0,0) of the mesh to the center of the actor + const Vector2 position = *( positionsBuffer + i ) - halfTextSize; // 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; - mTextCache.PushBack( textCacheEntry ); + newTextCache.PushBack( textCacheEntry ); + + AtlasManager::Vertex2D* verticesBuffer = newMesh.mVertices.Begin(); + + // Adjust the vertices if the fixed-size font should be down-scaled + if( glyph.scaleFactor > 0 ) + { + for( unsigned int index = 0u, size = newMesh.mVertices.Count(); + index < size; + ++index ) + { + AtlasManager::Vertex2D& vertex = *( verticesBuffer + index ); + + // Set the position of the vertex. + vertex.mPosition.x = position.x + ( ( vertex.mPosition.x - position.x ) * glyph.scaleFactor ); + vertex.mPosition.y = position.y + ( ( vertex.mPosition.y - position.y ) * glyph.scaleFactor ); + } + } + + // Get the color of the character. + const Vector4& color = *( colorsBuffer + i ); + + 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, - textColor, position.y + glyph.yBearing, + underlineGlyph, currentUnderlinePosition, currentUnderlineThickness, slot ); lastFontId = glyph.fontId; } - } + } // glyphs - if ( underlineEnabled ) + // Now remove references for the old text + RemoveText(); + mTextCache.Swap( newTextCache ); + + if( thereAreUnderlinedGlyphs ) { // Check to see if any of the text needs an underline - GenerateUnderlines( meshContainer, extents, underlineColor, textColor ); + GenerateUnderlines( meshContainer, extents, underlineColor ); } // For each MeshData object, create a mesh actor and add to the renderable actor - if ( meshContainer.size() ) + if( !meshContainer.empty() ) { - for ( std::vector< MeshRecord >::iterator mIt = meshContainer.begin(); mIt != meshContainer.end(); ++mIt ) + for( std::vector< MeshRecord >::iterator it = meshContainer.begin(), + endIt = meshContainer.end(); + it != endIt; ++it ) { - Actor actor = CreateMeshActor( *mIt ); + MeshRecord& meshRecord = *it; + + Actor actor = CreateMeshActor( meshRecord, textSize ); // Create an effect if necessary - if ( style == STYLE_DROP_SHADOW ) + if( style == STYLE_DROP_SHADOW ) { - actor.Add( GenerateShadow( *mIt, shadowOffset, shadowColor ) ); + // Change the color of the vertices. + for( Vector::Iterator vIt = meshRecord.mMesh.mVertices.Begin(), + vEndIt = meshRecord.mMesh.mVertices.End(); + vIt != vEndIt; + ++vIt ) + { + AtlasManager::Vertex2D& vertex = *vIt; + + vertex.mColor = shadowColor; + } + + // Create a container actor to act as a common parent for text and shadow, to avoid color inheritence issues. + Actor containerActor = Actor::New(); + containerActor.SetParentOrigin( ParentOrigin::CENTER ); + containerActor.SetSize( actorSize ); + + Actor shadowActor = CreateMeshActor( meshRecord, textSize ); +#if defined(DEBUG_ENABLED) + shadowActor.SetName( "Text Shadow renderable actor" ); +#endif + // Offset shadow in x and y + shadowActor.RegisterProperty("uOffset", shadowOffset ); + if( actor.GetRendererCount() ) + { + Dali::Renderer renderer( shadowActor.GetRendererAt( 0 ) ); + int depthIndex = renderer.GetProperty(Dali::Renderer::Property::DEPTH_INDEX); + renderer.SetProperty( Dali::Renderer::Property::DEPTH_INDEX, depthIndex - 1 ); + containerActor.Add( shadowActor ); + containerActor.Add( actor ); + actor = containerActor; + } } if( mActor ) { - actor.SetParentOrigin( ParentOrigin::CENTER ); // Keep all of the origins aligned mActor.Add( actor ); } else @@ -291,9 +450,12 @@ struct AtlasRenderer::Impl : public ConnectionTracker metrics.mGlyphCount, metrics.mAtlasMetrics.mAtlasCount, metrics.mAtlasMetrics.mTextureMemoryUsed / 1024 ); - for ( uint32_t i = 0; i < metrics.mAtlasMetrics.mAtlasCount; ++i ) + + DALI_LOG_INFO( gLogFilter, Debug::Verbose, "%s\n", metrics.mVerboseGlyphCounts.c_str() ); + + for( uint32_t i = 0; i < metrics.mAtlasMetrics.mAtlasCount; ++i ) { - DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Atlas [%i] %sPixels: %s Size: %ix%i, BlockSize: %ix%i, BlocksUsed: %i/%i\n", + DALI_LOG_INFO( gLogFilter, Debug::Verbose, " Atlas [%i] %sPixels: %s Size: %ix%i, BlockSize: %ix%i, BlocksUsed: %i/%i\n", i + 1, i > 8 ? "" : " ", metrics.mAtlasMetrics.mAtlasMetrics[ i ].mPixelFormat == Pixel::L8 ? "L8 " : "BGRA", metrics.mAtlasMetrics.mAtlasMetrics[ i ].mSize.mWidth, @@ -306,44 +468,52 @@ struct AtlasRenderer::Impl : public ConnectionTracker #endif } - Actor CreateMeshActor( const MeshRecord& meshRecord ) + void RemoveText() { - PropertyBuffer quadVertices = PropertyBuffer::New( mQuadVertexFormat, meshRecord.mMesh.mVertices.Size() ); - PropertyBuffer quadIndices = PropertyBuffer::New( mQuadIndexFormat, meshRecord.mMesh.mIndices.Size() ); - quadVertices.SetData( const_cast< AtlasManager::Vertex2D* >( &meshRecord.mMesh.mVertices[ 0 ] ) ); - quadIndices.SetData( const_cast< unsigned int* >( &meshRecord.mMesh.mIndices[ 0 ] ) ); + for( Vector< TextCacheEntry >::Iterator oldTextIter = mTextCache.Begin(); oldTextIter != mTextCache.End(); ++oldTextIter ) + { + mGlyphManager.AdjustReferenceCount( oldTextIter->mFontId, oldTextIter->mIndex, -1/*decrement*/ ); + } + mTextCache.Resize( 0 ); + } + + Actor CreateMeshActor( const MeshRecord& meshRecord, const Vector2& actorSize ) + { + PropertyBuffer quadVertices = PropertyBuffer::New( mQuadVertexFormat ); + PropertyBuffer quadIndices = PropertyBuffer::New( mQuadIndexFormat ); + quadVertices.SetData( const_cast< AtlasManager::Vertex2D* >( &meshRecord.mMesh.mVertices[ 0 ] ), meshRecord.mMesh.mVertices.Size() ); + quadIndices.SetData( const_cast< unsigned int* >( &meshRecord.mMesh.mIndices[ 0 ] ), meshRecord.mMesh.mIndices.Size() ); Geometry quadGeometry = Geometry::New(); quadGeometry.AddVertexBuffer( quadVertices ); quadGeometry.SetIndexBuffer( quadIndices ); - Material material = mGlyphManager.GetMaterial( meshRecord.mAtlasId ); - Dali::Renderer renderer = Dali::Renderer::New( quadGeometry, material ); - renderer.SetDepthIndex( CONTENT_DEPTH_INDEX + mDepth ); + TextureSet textureSet( mGlyphManager.GetTextures( meshRecord.mAtlasId ) ); + Shader shader( mGlyphManager.GetShader( meshRecord.mAtlasId ) ); + Dali::Renderer renderer = Dali::Renderer::New( quadGeometry, shader ); + renderer.SetTextures( textureSet ); + renderer.SetProperty( Dali::Renderer::Property::BLENDING_MODE, BlendingMode::ON ); + renderer.SetProperty( Dali::Renderer::Property::DEPTH_INDEX, DepthIndex::CONTENT + mDepth ); Actor actor = Actor::New(); #if defined(DEBUG_ENABLED) actor.SetName( "Text renderable actor" ); #endif actor.AddRenderer( renderer ); - actor.SetSize( 1.0f, 1.0f ); - actor.SetColor( meshRecord.mColor ); - if ( meshRecord.mIsUnderline ) - { - actor.SetColorMode( USE_OWN_COLOR ); - } - else - { - actor.SetColorMode( USE_OWN_MULTIPLY_PARENT_COLOR ); - } + // Keep all of the origins aligned + actor.SetParentOrigin( ParentOrigin::TOP_LEFT ); + actor.SetAnchorPoint( AnchorPoint::TOP_LEFT ); + + actor.SetSize( actorSize ); + actor.RegisterProperty("uOffset", Vector2::ZERO ); return actor; } void StitchTextMesh( std::vector< MeshRecord >& meshContainer, AtlasManager::Mesh2D& newMesh, Vector< Extent >& extents, - const Vector4& color, float baseLine, + bool underlineGlyph, float underlinePosition, float underlineThickness, AtlasManager::AtlasSlot& slot ) @@ -355,20 +525,28 @@ struct AtlasRenderer::Impl : public ConnectionTracker // Check to see if there's a mesh data object that references the same atlas ? uint32_t index = 0; - for ( std::vector< MeshRecord >::iterator mIt = meshContainer.begin(); mIt != meshContainer.end(); ++mIt, ++index ) + for ( std::vector< MeshRecord >::iterator mIt = meshContainer.begin(), + mEndIt = meshContainer.end(); + mIt != mEndIt; + ++mIt, ++index ) { - if ( slot.mAtlasId == mIt->mAtlasId && color == mIt->mColor ) + if( slot.mAtlasId == mIt->mAtlasId ) { - // Stitch the mesh to the existing mesh and adjust any extents - mGlyphManager.StitchMesh( mIt->mMesh, newMesh ); - AdjustExtents( extents, - meshContainer, - index, - left, - right, - baseLine, - underlinePosition, - underlineThickness ); + // Append the mesh to the existing mesh and adjust any extents + Toolkit::Internal::AtlasMeshFactory::AppendMesh( mIt->mMesh, newMesh ); + + if( underlineGlyph ) + { + AdjustExtents( extents, + meshContainer, + index, + left, + right, + baseLine, + underlinePosition, + underlineThickness ); + } + return; } } @@ -377,20 +555,20 @@ struct AtlasRenderer::Impl : public ConnectionTracker MeshRecord meshRecord; meshRecord.mAtlasId = slot.mAtlasId; meshRecord.mMesh = newMesh; - meshRecord.mColor = color; - meshRecord.mIsUnderline = false; meshContainer.push_back( meshRecord ); - // Adjust extents for this new meshrecord - AdjustExtents( extents, - meshContainer, - meshContainer.size() - 1u, - left, - right, - baseLine, - underlinePosition, - underlineThickness ); - + if( underlineGlyph ) + { + // Adjust extents for this new meshrecord + AdjustExtents( extents, + meshContainer, + meshContainer.size() - 1u, + left, + right, + baseLine, + underlinePosition, + underlineThickness ); + } } } @@ -404,7 +582,10 @@ struct AtlasRenderer::Impl : public ConnectionTracker float underlineThickness ) { bool foundExtent = false; - for ( Vector< Extent >::Iterator eIt = extents.Begin(); eIt != extents.End(); ++eIt ) + for ( Vector< Extent >::Iterator eIt = extents.Begin(), + eEndIt = extents.End(); + eIt != eEndIt; + ++eIt ) { if ( Equals( baseLine, eIt->mBaseLine ) ) { @@ -441,92 +622,53 @@ struct AtlasRenderer::Impl : public ConnectionTracker } } - void RemoveText( const Vector& glyphs ) - { - Vector< CheckEntry > checked; - CheckEntry checkEntry; - - for ( Vector< TextCacheEntry >::Iterator tCit = mTextCache.Begin(); tCit != mTextCache.End(); ++tCit ) - { - uint32_t index = tCit->mIndex; - uint32_t fontId = tCit->mFontId; - - // Check that this character has not already been checked... - bool wasChecked = false; - for ( Vector< CheckEntry >::Iterator cEit = checked.Begin(); cEit != checked.End(); ++cEit ) - { - if ( fontId == cEit->mFontId && index == cEit->mIndex ) - { - wasChecked = true; - } - } - - if ( !wasChecked ) - { - - int32_t newCount = 0; - int32_t oldCount = 0; - - // How many times does this character occur in the old text ? - for ( Vector< TextCacheEntry >::Iterator oTcit = mTextCache.Begin(); oTcit != mTextCache.End(); ++oTcit ) - { - if ( fontId == oTcit->mFontId && index == oTcit->mIndex ) - { - oldCount++; - } - } - - // And how many times in the new ? - for ( Vector< GlyphInfo >::Iterator cGit = glyphs.Begin(); cGit != glyphs.End(); ++cGit ) - { - if ( fontId == cGit->fontId && index == cGit->index ) - { - newCount++; - } - } - mGlyphManager.AdjustReferenceCount( fontId, tCit->mImageId, newCount - oldCount ); - checkEntry.mIndex = index; - checkEntry.mFontId = fontId; - checked.PushBack( checkEntry ); - } - } - mTextCache.Resize( 0 ); - } - void CalculateBlocksSize( const Vector& glyphs ) { - MaxBlockSize maxBlockSize; - for ( uint32_t i = 0; i < glyphs.Size(); ++i ) + for( Vector::ConstIterator glyphIt = glyphs.Begin(), + glyphEndIt = glyphs.End(); + glyphIt != glyphEndIt; + ++glyphIt ) { - FontId fontId = glyphs[ i ].fontId; + const FontId fontId = (*glyphIt).fontId; bool foundFont = false; - for ( uint32_t j = 0; j < mBlockSizes.size(); ++j ) + + for( std::vector< MaxBlockSize >::const_iterator blockIt = mBlockSizes.begin(), + blockEndIt = mBlockSizes.end(); + blockIt != blockEndIt; + ++blockIt ) { - if ( mBlockSizes[ j ].mFontId == fontId ) + if( (*blockIt).mFontId == fontId ) { foundFont = true; + break; } } + if ( !foundFont ) { FontMetrics fontMetrics; mFontClient.GetFontMetrics( fontId, fontMetrics ); + + MaxBlockSize maxBlockSize; maxBlockSize.mNeededBlockWidth = static_cast< uint32_t >( fontMetrics.height ); - maxBlockSize.mNeededBlockHeight = static_cast< uint32_t >( fontMetrics.height ); + maxBlockSize.mNeededBlockHeight = maxBlockSize.mNeededBlockWidth; maxBlockSize.mFontId = fontId; + mBlockSizes.push_back( maxBlockSize ); } } } - void GenerateUnderlines( std::vector< MeshRecord>& meshRecords, + void GenerateUnderlines( std::vector< MeshRecord >& meshRecords, Vector< Extent >& extents, - const Vector4& underlineColor, - const Vector4& textColor ) + const Vector4& underlineColor ) { AtlasManager::Mesh2D newMesh; unsigned short faceIndex = 0; - for ( Vector< Extent >::ConstIterator eIt = extents.Begin(); eIt != extents.End(); ++eIt ) + for ( Vector< Extent >::ConstIterator eIt = extents.Begin(), + eEndIt = extents.End(); + eIt != eEndIt; + ++eIt ) { AtlasManager::Vertex2D vert; uint32_t index = eIt->mMeshRecordIndex; @@ -571,149 +713,9 @@ struct AtlasRenderer::Impl : public ConnectionTracker newMesh.mIndices.PushBack( faceIndex + 1u ); faceIndex += 4; - if ( underlineColor == textColor ) - { - mGlyphManager.StitchMesh( meshRecords[ index ].mMesh, newMesh ); - } - else - { - MeshRecord record; - record.mMesh = newMesh; - record.mAtlasId = meshRecords[ index ].mAtlasId; - record.mColor = underlineColor; - record.mIsUnderline = true; - meshRecords.push_back( record ); - } - } - } - - Actor GenerateShadow( MeshRecord& meshRecord, - const Vector2& shadowOffset, - const Vector4& shadowColor ) - { - // Scan vertex buffer to determine width and height of effect buffer needed - const Vector< AtlasManager::Vertex2D >& verts = meshRecord.mMesh.mVertices; - float tlx = verts[ 0 ].mPosition.x; - float tly = verts[ 0 ].mPosition.y; - float brx = ZERO; - float bry = ZERO; - - for ( uint32_t i = 0; i < verts.Size(); ++i ) - { - if ( verts[ i ].mPosition.x < tlx ) - { - tlx = verts[ i ].mPosition.x; - } - if ( verts[ i ].mPosition.y < tly ) - { - tly = verts[ i ].mPosition.y; - } - if ( verts[ i ].mPosition.x > brx ) - { - brx = verts[ i ].mPosition.x; - } - if ( verts[ i ].mPosition.y > bry ) - { - bry = verts[ i ].mPosition.y; - } - } - - float width = brx - tlx; - float height = bry - tly; - float divWidth = TWO / width; - float divHeight = TWO / height; - - // Create a buffer to render to - meshRecord.mBuffer = FrameBufferImage::New( width, height ); - - // We will render a quad into this buffer - unsigned int indices[ 6 ] = { 1, 0, 2, 2, 3, 1 }; - PropertyBuffer quadVertices = PropertyBuffer::New( mQuadVertexFormat, 4u ); - PropertyBuffer quadIndices = PropertyBuffer::New( mQuadIndexFormat, sizeof(indices)/sizeof(indices[0]) ); - - AtlasManager::Vertex2D vertices[ 4 ] = { - { Vector2( tlx + shadowOffset.x, tly + shadowOffset.y ), Vector2( ZERO, ZERO ) }, - { Vector2( brx + shadowOffset.x, tly + shadowOffset.y ), Vector2( ONE, ZERO ) }, - { Vector2( tlx + shadowOffset.x, bry + shadowOffset.y ), Vector2( ZERO, ONE ) }, - { Vector2( brx + shadowOffset.x, bry + shadowOffset.y ), Vector2( ONE, ONE ) } }; - - quadVertices.SetData( vertices ); - quadIndices.SetData( indices ); - - Geometry quadGeometry = Geometry::New(); - quadGeometry.AddVertexBuffer( quadVertices ); - quadGeometry.SetIndexBuffer( quadIndices ); - - Sampler sampler = Sampler::New( meshRecord.mBuffer, "sTexture" ); - Material material = Material::New( mGlyphManager.GetEffectBufferShader() ); - material.AddSampler( sampler ); + vert.mColor = underlineColor; - Dali::Renderer renderer = Dali::Renderer::New( quadGeometry, material ); - - // Ensure shadow is behind the text... - renderer.SetDepthIndex( CONTENT_DEPTH_INDEX + mDepth - 1 ); - Actor actor = Actor::New(); - actor.AddRenderer( renderer ); - actor.SetSize( 1.0f, 1.0f ); - - // Create a sub actor to render the source with normalized vertex positions - Vector< AtlasManager::Vertex2D > normVertexList; - for ( uint32_t i = 0; i < verts.Size(); ++i ) - { - AtlasManager::Vertex2D vertex = verts[ i ]; - vertex.mPosition.x = ( ( vertex.mPosition.x - tlx ) * divWidth ) - ONE; - vertex.mPosition.y = ( ( vertex.mPosition.y - tly ) * divHeight ) - ONE; - normVertexList.PushBack( vertex ); - } - - PropertyBuffer normVertices = PropertyBuffer::New( mQuadVertexFormat, normVertexList.Size() ); - PropertyBuffer normIndices = PropertyBuffer::New( mQuadIndexFormat, meshRecord.mMesh.mIndices.Size() ); - normVertices.SetData( const_cast< AtlasManager::Vertex2D* >( &normVertexList[ 0 ] ) ); - normIndices.SetData( const_cast< unsigned int* >( &meshRecord.mMesh.mIndices[ 0 ] ) ); - - Geometry normGeometry = Geometry::New(); - normGeometry.AddVertexBuffer( normVertices ); - normGeometry.SetIndexBuffer( normIndices ); - - Material normMaterial = Material::New( mGlyphManager.GetGlyphShadowShader() ); - Sampler normSampler = mGlyphManager.GetSampler( meshRecord.mAtlasId ); - normMaterial.AddSampler( normSampler ); - Dali::Renderer normRenderer = Dali::Renderer::New( normGeometry, normMaterial ); - Actor subActor = Actor::New(); - subActor.AddRenderer( normRenderer ); - subActor.SetSize( 1.0f, 1.0f ); - subActor.SetColorMode( USE_OWN_MULTIPLY_PARENT_COLOR ); - subActor.SetColor( shadowColor ); - - // Create a render task to render the effect - RenderTask task = Stage::GetCurrent().GetRenderTaskList().CreateTask(); - task.SetTargetFrameBuffer( meshRecord.mBuffer ); - task.SetSourceActor( subActor ); - task.SetClearEnabled( true ); - task.SetClearColor( Vector4::ZERO ); - task.SetExclusive( true ); - task.SetRefreshRate( RenderTask::REFRESH_ONCE ); - task.FinishedSignal().Connect( this, &AtlasRenderer::Impl::RenderComplete ); - actor.Add( subActor ); - - return actor; - } - - void RenderComplete( RenderTask& renderTask ) - { - // Disconnect and remove this single shot render task - renderTask.FinishedSignal().Disconnect( this, &AtlasRenderer::Impl::RenderComplete ); - Stage::GetCurrent().GetRenderTaskList().RemoveTask( renderTask ); - - // Get the actor used for render to buffer and remove it from the parent - Actor renderActor = renderTask.GetSourceActor(); - if ( renderActor ) - { - Actor parent = renderActor.GetParent(); - if ( parent ) - { - parent.Remove( renderActor ); - } + Toolkit::Internal::AtlasMeshFactory::AppendMesh( meshRecords[ index ].mMesh, newMesh ); } } @@ -721,11 +723,10 @@ struct AtlasRenderer::Impl : public ConnectionTracker AtlasGlyphManager mGlyphManager; ///< Glyph Manager to handle upload and caching TextAbstraction::FontClient mFontClient; ///> The font client used to supply glyph information std::vector< MaxBlockSize > mBlockSizes; ///> Maximum size needed to contain a glyph in a block within a new atlas - std::vector< uint32_t > mFace; ///> Face indices for a quad - Vector< TextCacheEntry > mTextCache; - Property::Map mQuadVertexFormat; - Property::Map mQuadIndexFormat; - int mDepth; + Vector< TextCacheEntry > mTextCache; ///> Caches data from previous render + Property::Map mQuadVertexFormat; ///> Describes the vertex format for text + Property::Map mQuadIndexFormat; ///> Describes the index format for text + int mDepth; ///> DepthIndex passed by control when connect to stage }; Text::RendererPtr AtlasRenderer::New() @@ -746,25 +747,34 @@ Actor AtlasRenderer::Render( Text::ViewInterface& view, int depth ) Vector glyphs; glyphs.Resize( numberOfGlyphs ); - std::vector positions; - positions.resize( numberOfGlyphs ); + Vector positions; + positions.Resize( numberOfGlyphs ); + + Vector colors; + colors.Resize( numberOfGlyphs, view.GetTextColor() ); numberOfGlyphs = view.GetGlyphs( glyphs.Begin(), - &positions[0], + positions.Begin(), + colors.Begin(), 0u, numberOfGlyphs ); + glyphs.Resize( numberOfGlyphs ); - positions.resize( numberOfGlyphs ); + positions.Resize( numberOfGlyphs ); + colors.Resize( numberOfGlyphs ); - mImpl->AddGlyphs( positions, + mImpl->AddGlyphs( view, + positions, glyphs, - view.GetTextColor(), - view.GetShadowOffset(), - view.GetShadowColor(), - view.IsUnderlineEnabled(), - view.GetUnderlineColor(), - view.GetUnderlineHeight(), + colors, depth ); + + /* In the case where AddGlyphs does not create a renderable Actor for example when glyphs are all whitespace create a new Actor. */ + /* This renderable actor is used to position the text, other "decorations" can rely on there always being an Actor regardless of it is whitespace or regular text. */ + if ( !mImpl->mActor ) + { + mImpl->mActor = Actor::New(); + } } return mImpl->mActor; @@ -778,7 +788,6 @@ AtlasRenderer::AtlasRenderer() AtlasRenderer::~AtlasRenderer() { - Vector< GlyphInfo > emptyGlyphs; - mImpl->RemoveText( emptyGlyphs ); + mImpl->RemoveText(); delete mImpl; }