// EXTERNAL INCLUDES
#include <dali/integration-api/debug.h>
-#include <dali/public-api/common/stage.h>
-#include <dali/public-api/images/frame-buffer-image.h>
-#include <dali/public-api/render-tasks/render-task.h>
-#include <dali/public-api/render-tasks/render-task-list.h>
#include <dali/devel-api/rendering/renderer.h>
#include <dali/devel-api/rendering/geometry.h>
#include <dali/devel-api/text-abstraction/font-client.h>
#include <dali-toolkit/public-api/controls/control-depth-index-ranges.h>
#include <dali-toolkit/internal/text/glyph-run.h>
#include <dali-toolkit/internal/text/rendering/atlas/atlas-glyph-manager.h>
+#include <dali-toolkit/internal/text/rendering/atlas/atlas-mesh-factory.h>
#include <dali-toolkit/internal/text/text-view.h>
using namespace Dali;
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
{
bool IsGlyphUnderlined( GlyphIndex index,
const Vector<GlyphRun>& underlineRuns )
{
- // TODO: At the moment it works because we always traverse the glyphs starting from the beginning
- // and there is only one glyph run! If there are more they should be ordered.
-
for( Vector<GlyphRun>::ConstIterator it = underlineRuns.Begin(),
endIt = underlineRuns.End();
it != endIt;
currentUnderlinePosition = ceil( fabsf( fontMetrics.underlinePosition ) );
const float descender = ceil( fabsf( fontMetrics.descender ) );
- if ( underlineHeight == ZERO )
+ if( fabsf( underlineHeight ) < Math::MACHINE_EPSILON_1000 )
{
currentUnderlineThickness = fontMetrics.underlineThickness;
{
currentUnderlinePosition = descender;
}
- if ( ZERO == currentUnderlinePosition )
+ if( fabsf( currentUnderlinePosition ) < Math::MACHINE_EPSILON_1000 )
{
// Move offset down by one ( EFL behavior )
currentUnderlinePosition = ONE;
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 )
// Create an effect if necessary
if ( style == STYLE_DROP_SHADOW )
{
- Actor shadowActor = GenerateShadow( *mIt, actorSize, shadowOffset, shadowColor );
- shadowActor.Add( actor );
- actor = shadowActor;
+ // 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 = Actor::New();
+#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( actor.GetRendererAt( 0 ) );
+ Geometry geometry = renderer.GetGeometry();
+ Material material = renderer.GetMaterial();
+
+ Dali::Renderer shadowRenderer = Dali::Renderer::New( geometry, material );
+ shadowRenderer.SetDepthIndex( renderer.GetDepthIndex() - 1 );
+ shadowActor.AddRenderer( shadowRenderer );
+ shadowActor.SetParentOrigin( ParentOrigin::CENTER );
+ shadowActor.SetSize( actorSize );
+ shadowActor.SetColor( shadowColor );
+ containerActor.Add( shadowActor );
+ containerActor.Add( actor );
+ actor = containerActor;
+ }
}
if( mActor )
actor.SetParentOrigin( ParentOrigin::CENTER ); // Keep all of the origins aligned
actor.SetSize( actorSize );
actor.SetColor( meshRecord.mColor );
+ actor.RegisterProperty("uOffset", Vector2::ZERO );
return actor;
}
{
if ( slot.mAtlasId == mIt->mAtlasId && color == mIt->mColor )
{
- // Stitch the mesh to the existing mesh and adjust any extents
- mGlyphManager.StitchMesh( mIt->mMesh, newMesh );
+ // Append the mesh to the existing mesh and adjust any extents
+ Toolkit::Internal::AtlasMeshFactory::AppendMesh( mIt->mMesh, newMesh );
if( underlineGlyph )
{
if ( underlineColor == textColor )
{
- mGlyphManager.StitchMesh( meshRecords[ index ].mMesh, newMesh );
+ Toolkit::Internal::AtlasMeshFactory::AppendMesh( meshRecords[ index ].mMesh, newMesh );
}
else
{
}
}
- Actor GenerateShadow( MeshRecord& meshRecord,
- const Vector2& actorSize,
- 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 );
-
- Dali::Renderer renderer = Dali::Renderer::New( quadGeometry, material );
-
- // Ensure shadow is behind the text...
- renderer.SetDepthIndex( CONTENT_DEPTH_INDEX + mDepth );
- Actor actor = Actor::New();
- actor.AddRenderer( renderer );
- actor.SetParentOrigin( ParentOrigin::CENTER ); // Keep all of the origins aligned
- actor.SetSize( actorSize );
-
- // 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.SetParentOrigin( ParentOrigin::CENTER ); // Keep all of the origins aligned
- subActor.SetSize( actorSize );
- 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 );
- }
- }
- }
-
Actor mActor; ///< The actor parent which renders the text
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()
positions,
glyphs,
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;
projects / platform / core / uifw / dali-toolkit.git / blobdiff