#include <dali/public-api/actors/image-actor.h>
#include <dali/public-api/common/stage.h>
+#define MAKE_SHADER(A)#A
+
+namespace
+{
+const char* VERTEX_SHADER = MAKE_SHADER(
+attribute mediump vec2 aPosition;
+attribute mediump vec2 aTexCoord;
+uniform mediump mat4 uMvpMatrix;
+uniform mediump vec3 uSize;
+varying mediump vec2 vTexCoord;
+
+void main()
+{
+ mediump vec4 position = vec4( aPosition, 0.0, 1.0 );
+ position.xyz *= uSize;
+ gl_Position = uMvpMatrix * position;
+ vTexCoord = aTexCoord;
+}
+);
+
+const char* FRAGMENT_SHADER = MAKE_SHADER(
+uniform sampler2D sTexture;
+varying mediump vec2 vTexCoord;
+
+void main()
+{
+ gl_FragColor = texture2D( sTexture, vTexCoord );
+}
+);
+
+const char* VERTEX_SHADER_SHADOW = MAKE_SHADER(
+attribute mediump vec2 aPosition;
+attribute mediump vec2 aTexCoord;
+uniform mediump vec3 uSize;
+varying mediump vec2 vTexCoord;
+
+void main()
+{
+ mediump vec4 position = vec4( aPosition, 0.0, 1.0 );
+ position.xyz *= uSize;
+ gl_Position = position;
+ vTexCoord = aTexCoord;
+}
+);
+
+const char* FRAGMENT_SHADER_SHADOW = MAKE_SHADER(
+uniform sampler2D sTexture;
+uniform lowp vec4 uColor;
+varying mediump vec2 vTexCoord;
+
+void main()
+{
+ mediump vec4 color = texture2D( sTexture, vTexCoord );
+ gl_FragColor = vec4(uColor.rgb, uColor.a*color.r);
+}
+);
+}
+
namespace Dali
{
namespace Internal
{
-//#define DISPLAY_ATLAS
-
AtlasGlyphManager::AtlasGlyphManager()
-: mCount( 0 )
{
mAtlasManager = Dali::Toolkit::AtlasManager::New();
+ mEffectBufferShader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER );
+ mShadowShader = Shader::New( VERTEX_SHADER_SHADOW, FRAGMENT_SHADER_SHADOW, Dali::Shader::HINT_MODIFIES_GEOMETRY );
}
AtlasGlyphManager::~AtlasGlyphManager()
{
+ // Clear up any remaining references
+ for ( std::vector< FontGlyphRecord >::iterator fontGlyphRecordIt = mFontGlyphRecords.begin();
+ fontGlyphRecordIt != mFontGlyphRecords.end();
+ ++fontGlyphRecordIt )
+ {
+ for ( Vector< GlyphRecordEntry >::Iterator glyphRecordEntryIt = fontGlyphRecordIt->mGlyphRecords.Begin();
+ glyphRecordEntryIt != fontGlyphRecordIt->mGlyphRecords.End();
+ ++glyphRecordEntryIt )
+ {
+ mAtlasManager.Remove( glyphRecordEntryIt->mImageId );
+ }
+ }
}
AtlasGlyphManagerPtr AtlasGlyphManager::New()
const BufferImage& bitmap,
Dali::Toolkit::AtlasManager::AtlasSlot& slot )
{
- GlyphRecord record;
- record.mFontId = glyph.fontId;
- record.mIndex = glyph.index;
-
mAtlasManager.Add( bitmap, slot );
+
+ GlyphRecordEntry record;
+ record.mIndex = glyph.index;
record.mImageId = slot.mImageId;
- mGlyphRecords.PushBack( record );
+ record.mCount = 1;
-#ifdef DISPLAY_ATLAS
+ // Have glyph records been created for this fontId ?
+ bool foundGlyph = false;
+ for ( std::vector< FontGlyphRecord >::iterator fontGlyphRecordIt = mFontGlyphRecords.begin();
+ fontGlyphRecordIt != mFontGlyphRecords.end(); ++fontGlyphRecordIt )
{
- uint32_t atlasCount = mAtlasManager.GetAtlasCount();
- if ( atlasCount > mCount )
+ if ( fontGlyphRecordIt->mFontId == glyph.fontId )
{
- for ( uint32_t i = 0; i < atlasCount; ++i )
- {
- ImageActor actor = ImageActor::New( mAtlasManager.GetAtlasContainer( i + 1u ) );
- actor.SetParentOrigin( Vector3( 0.5f, 0.25f + ( static_cast< float >( i ) * 0.25f ), 0.5f ) );
- actor.SetAnchorPoint( AnchorPoint::CENTER );
- actor.SetSize( 256.0f, 256.0f );
- Stage::GetCurrent().Add( actor );
- }
+ fontGlyphRecordIt->mGlyphRecords.PushBack( record );
+ foundGlyph = true;
+ break;
}
- mCount = atlasCount;
}
-#endif
+
+ if ( !foundGlyph )
+ {
+ // We need to add a new font entry
+ FontGlyphRecord fontGlyphRecord;
+ fontGlyphRecord.mFontId = glyph.fontId;
+ fontGlyphRecord.mGlyphRecords.PushBack( record );
+ mFontGlyphRecords.push_back( fontGlyphRecord );
+ }
}
void AtlasGlyphManager::GenerateMeshData( uint32_t imageId,
const Vector2& position,
Toolkit::AtlasManager::Mesh2D& mesh )
{
- mAtlasManager.GenerateMeshData( imageId, position, mesh );
+ // Generate mesh data and tell Atlas Manager not to handle reference counting ( we'll do it )
+ mAtlasManager.GenerateMeshData( imageId, position, mesh, false );
}
void AtlasGlyphManager::StitchMesh( Toolkit::AtlasManager::Mesh2D& first,
mAtlasManager.StitchMesh( first, second );
}
-void AtlasGlyphManager::Cached( Text::FontId fontId,
+bool AtlasGlyphManager::Cached( Text::FontId fontId,
uint32_t index,
Dali::Toolkit::AtlasManager::AtlasSlot& slot )
{
- for ( uint32_t i = 0; i < mGlyphRecords.Size(); ++i )
+ for ( std::vector< FontGlyphRecord >::iterator fontGlyphRecordIt = mFontGlyphRecords.begin();
+ fontGlyphRecordIt != mFontGlyphRecords.end();
+ ++fontGlyphRecordIt )
{
- if ( fontId == mGlyphRecords[ i ].mFontId && index == mGlyphRecords[ i ].mIndex )
+ if ( fontGlyphRecordIt->mFontId == fontId )
{
- slot.mImageId = mGlyphRecords[ i ].mImageId;
- slot.mAtlasId = mAtlasManager.GetAtlas( slot.mImageId );
- return;
+ for ( Vector< GlyphRecordEntry >::Iterator glyphRecordIt = fontGlyphRecordIt->mGlyphRecords.Begin();
+ glyphRecordIt != fontGlyphRecordIt->mGlyphRecords.End();
+ ++glyphRecordIt )
+ {
+ if ( glyphRecordIt->mIndex == index )
+ {
+ slot.mImageId = glyphRecordIt->mImageId;
+ slot.mAtlasId = mAtlasManager.GetAtlas( slot.mImageId );
+ return true;
+ }
+ }
}
}
slot.mImageId = 0;
+ return false;
}
Vector2 AtlasGlyphManager::GetAtlasSize( uint32_t atlasId )
mAtlasManager.SetNewAtlasSize( size );
}
-void AtlasGlyphManager::Remove( uint32_t imageId )
+Pixel::Format AtlasGlyphManager::GetPixelFormat( uint32_t atlasId )
{
- if ( mAtlasManager.Remove( imageId ) )
+ return mAtlasManager.GetPixelFormat( atlasId );
+}
+
+const Toolkit::AtlasGlyphManager::Metrics& AtlasGlyphManager::GetMetrics()
+{
+ mMetrics.mGlyphCount = 0u;
+ for ( std::vector< FontGlyphRecord >::iterator fontGlyphRecordIt = mFontGlyphRecords.begin();
+ fontGlyphRecordIt != mFontGlyphRecords.end();
+ ++fontGlyphRecordIt )
{
- for ( uint32_t i = 0; i < mGlyphRecords.Size(); ++i )
+ mMetrics.mGlyphCount += fontGlyphRecordIt->mGlyphRecords.Size();
+ }
+ mAtlasManager.GetMetrics( mMetrics.mAtlasMetrics );
+ return mMetrics;
+}
+
+void AtlasGlyphManager::AdjustReferenceCount( Text::FontId fontId, uint32_t imageId, int32_t delta )
+{
+ for ( std::vector< FontGlyphRecord >::iterator fontGlyphRecordIt = mFontGlyphRecords.begin();
+ fontGlyphRecordIt != mFontGlyphRecords.end();
+ ++fontGlyphRecordIt )
+ {
+ if ( fontGlyphRecordIt->mFontId == fontId )
{
- if ( mGlyphRecords[ i ].mImageId == imageId )
+ for ( Vector< GlyphRecordEntry >::Iterator glyphRecordIt = fontGlyphRecordIt->mGlyphRecords.Begin();
+ glyphRecordIt != fontGlyphRecordIt->mGlyphRecords.End();
+ ++glyphRecordIt )
{
- mGlyphRecords.Remove( mGlyphRecords.Begin() + i );
- return;
+ if ( glyphRecordIt->mImageId == imageId )
+ {
+ glyphRecordIt->mCount += delta;
+ if ( !glyphRecordIt->mCount )
+ {
+ mAtlasManager.Remove( glyphRecordIt->mImageId );
+ fontGlyphRecordIt->mGlyphRecords.Remove( glyphRecordIt );
+ }
+ return;
+ }
}
}
}
}
-Pixel::Format AtlasGlyphManager::GetPixelFormat( uint32_t atlasId )
-{
- return mAtlasManager.GetPixelFormat( atlasId );
-}
-
Material AtlasGlyphManager::GetMaterial( uint32_t atlasId ) const
{
return mAtlasManager.GetMaterial( atlasId );
return mAtlasManager.GetSampler( atlasId );
}
-const Toolkit::AtlasGlyphManager::Metrics& AtlasGlyphManager::GetMetrics()
-{
- mMetrics.mGlyphCount = mGlyphRecords.Size();
- mAtlasManager.GetMetrics( mMetrics.mAtlasMetrics );
- return mMetrics;
-}
-
} // namespace Internal
} // namespace Toolkit