2 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali-toolkit/internal/visuals/text/text-visual.h>
22 #include <dali/devel-api/scripting/enum-helper.h>
23 // #include <dali/devel-api/scripting/scripting.h>
26 #include <dali-toolkit/public-api/text/rendering-backend.h>
27 #include <dali-toolkit/public-api/visuals/text-visual-properties.h>
28 #include <dali-toolkit/devel-api/visual-factory/devel-visual-properties.h>
29 #include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
30 #include <dali-toolkit/internal/text/rendering/text-backend.h>
31 #include <dali-toolkit/internal/text/text-view.h>
32 #include <dali-toolkit/internal/visuals/visual-base-impl.h>
33 #include <dali-toolkit/internal/visuals/visual-base-data-impl.h>
34 #include <dali-toolkit/internal/text/text-font-style.h>
35 #include <dali-toolkit/internal/text/text-effects-style.h>
37 using Dali::Toolkit::Text::LayoutEngine;
52 const char * const RENDERING_BACKEND_PROPERTY( "renderingBackend" );
53 const char * const TEXT_PROPERTY( "text" );
54 const char * const FONT_FAMILY_PROPERTY( "fontFamily" );
55 const char * const FONT_STYLE_PROPERTY( "fontStyle" );
56 const char * const POINT_SIZE_PROPERTY( "pointSize" );
57 const char * const MULTI_LINE_PROPERTY( "multiLine" );
58 const char * const HORIZONTAL_ALIGNMENT_PROPERTY( "horizontalAlignment" );
59 const char * const VERTICAL_ALIGNMENT_PROPERTY( "verticalAlignment" );
60 const char * const TEXT_COLOR_PROPERTY( "textColor" );
61 const char * const ENABLE_MARKUP_PROPERTY( "enableMarkup" );
62 const char * const ENABLE_AUTO_SCROLL_PROPERTY( "enableAutoScroll" );
63 const char * const AUTO_SCROLL_SPEED_PROPERTY( "autoScrollSpeed" );
64 const char * const AUTO_SCROLL_LOOP_COUNT_PROPERTY( "autoScrollLoopCount" );
65 const char * const AUTO_SCROLL_GAP_PROPERTY( "autoScrollGap" );
66 const char * const LINE_SPACING_PROPERTY( "lineSpacing" );
67 const char * const UNDERLINE_PROPERTY( "underline" );
68 const char * const SHADOW_PROPERTY( "shadow" );
69 const char * const OUTLINE_PROPERTY( "outline" );
70 const char * const BATCHING_ENABLED_PROPERTY( "batchingEnabled" );
72 const Scripting::StringEnum HORIZONTAL_ALIGNMENT_STRING_TABLE[] =
74 { "BEGIN", Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_BEGIN },
75 { "CENTER", Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_CENTER },
76 { "END", Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_END },
78 const unsigned int HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT = sizeof( HORIZONTAL_ALIGNMENT_STRING_TABLE ) / sizeof( HORIZONTAL_ALIGNMENT_STRING_TABLE[0] );
80 const Scripting::StringEnum VERTICAL_ALIGNMENT_STRING_TABLE[] =
82 { "TOP", Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_TOP },
83 { "CENTER", Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_CENTER },
84 { "BOTTOM", Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_BOTTOM },
86 const unsigned int VERTICAL_ALIGNMENT_STRING_TABLE_COUNT = sizeof( VERTICAL_ALIGNMENT_STRING_TABLE ) / sizeof( VERTICAL_ALIGNMENT_STRING_TABLE[0] );
88 std::string GetHorizontalAlignment( LayoutEngine::HorizontalAlignment alignment )
90 const char* name = Scripting::GetEnumerationName<Toolkit::Text::LayoutEngine::HorizontalAlignment>( alignment,
91 HORIZONTAL_ALIGNMENT_STRING_TABLE,
92 HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT );
94 return std::string( name );
97 std::string GetVerticalAlignment( LayoutEngine::VerticalAlignment alignment )
99 const char* name = Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::VerticalAlignment >( alignment,
100 VERTICAL_ALIGNMENT_STRING_TABLE,
101 VERTICAL_ALIGNMENT_STRING_TABLE_COUNT );
103 return std::string( name );
106 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
107 attribute mediump vec2 aPosition;\n
108 uniform mediump mat4 uMvpMatrix;\n
109 uniform mediump vec3 uSize;\n
110 uniform mediump vec4 pixelArea;
111 varying mediump vec2 vTexCoord;\n
115 mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);\n
116 vertexPosition.xyz *= uSize;\n
117 vertexPosition = uMvpMatrix * vertexPosition;\n
119 vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n
120 gl_Position = vertexPosition;\n
124 const char* FRAGMENT_SHADER_ATLAS_CLAMP = DALI_COMPOSE_SHADER(
125 varying mediump vec2 vTexCoord;\n
126 uniform sampler2D sTexture;\n
127 uniform mediump vec4 uAtlasRect;\n
128 uniform lowp vec4 uColor;\n
132 mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
133 gl_FragColor = texture2D( sTexture, texCoord ) * uColor;\n
137 Geometry CreateGeometry( VisualFactoryCache& factoryCache, ImageDimensions gridSize )
141 if( gridSize == ImageDimensions( 1, 1 ) )
143 geometry = factoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
146 geometry = VisualFactoryCache::CreateQuadGeometry();
147 factoryCache.SaveGeometry( VisualFactoryCache::QUAD_GEOMETRY, geometry );
152 geometry = VisualFactoryCache::CreateGridGeometry( gridSize );
158 } // unnamed namespace
160 TextVisualPtr TextVisual::New( VisualFactoryCache& factoryCache )
162 return new TextVisual( factoryCache );
165 float TextVisual::GetHeightForWidth( float width ) const
167 return mController->GetHeightForWidth( width );
170 void TextVisual::GetNaturalSize( Vector2& naturalSize )
172 naturalSize = mController->GetNaturalSize().GetVectorXY();
175 void TextVisual::DoCreatePropertyMap( Property::Map& map ) const
177 Property::Value value;
180 map.Insert( Toolkit::VisualProperty::TYPE, Toolkit::Visual::TEXT );
182 map.Insert( Toolkit::TextVisual::Property::RENDERING_BACKEND, mRenderingBackend );
185 mController->GetText( text );
186 map.Insert( Toolkit::TextVisual::Property::TEXT, text );
188 map.Insert( Toolkit::TextVisual::Property::FONT_FAMILY, mController->GetDefaultFontFamily() );
190 GetFontStyleProperty( mController, value, Text::FontStyle::DEFAULT );
191 map.Insert( Toolkit::TextVisual::Property::FONT_STYLE, value );
193 map.Insert( Toolkit::TextVisual::Property::POINT_SIZE, mController->GetDefaultPointSize() );
195 map.Insert( Toolkit::TextVisual::Property::MULTI_LINE, mController->IsMultiLineEnabled() );
197 map.Insert( Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT, GetHorizontalAlignment( mController->GetHorizontalAlignment() ) );
199 map.Insert( Toolkit::TextVisual::Property::VERTICAL_ALIGNMENT, GetVerticalAlignment( mController->GetVerticalAlignment() ) );
201 map.Insert( Toolkit::TextVisual::Property::TEXT_COLOR, mController->GetTextColor() );
203 map.Insert( Toolkit::TextVisual::Property::ENABLE_MARKUP, mController->IsMarkupProcessorEnabled() );
205 map.Insert( Toolkit::TextVisual::Property::LINE_SPACING, mController->GetDefaultLineSpacing() );
207 GetUnderlineProperties( mController, value, Text::EffectStyle::DEFAULT );
208 map.Insert( Toolkit::TextVisual::Property::UNDERLINE, value );
210 GetShadowProperties( mController, value, Text::EffectStyle::DEFAULT );
211 map.Insert( Toolkit::TextVisual::Property::SHADOW, value );
213 GetOutlineProperties( mController, value, Text::EffectStyle::DEFAULT );
214 map.Insert( Toolkit::TextVisual::Property::OUTLINE, value );
216 map.Insert( Toolkit::TextVisual::Property::BATCHING_ENABLED, false ); // TODO
219 TextVisual::TextVisual( VisualFactoryCache& factoryCache )
220 : Visual::Base( factoryCache ),
221 mController( Text::Controller::New() ),
222 mRenderingBackend( Toolkit::Text::DEFAULT_RENDERING_BACKEND ),
223 mHasBeenStaged( false )
227 TextVisual::~TextVisual()
231 void TextVisual::DoSetProperties( const Property::Map& propertyMap )
233 for( Property::Map::SizeType index = 0u, count = propertyMap.Count(); index < count; ++index )
235 const KeyValuePair& keyValue = propertyMap.GetKeyValue( index );
237 switch( keyValue.first.type )
239 case Property::Key::INDEX:
241 if( Toolkit::VisualProperty::TYPE != keyValue.first.indexKey ) // Toolkit::VisualProperty::TYPE is not a TextVisual's property.
243 DoSetProperty( keyValue.first.indexKey, keyValue.second );
247 case Property::Key::STRING:
249 if( keyValue.first.stringKey == RENDERING_BACKEND_PROPERTY )
251 DoSetProperty( Toolkit::TextVisual::Property::RENDERING_BACKEND, keyValue.second );
253 else if( keyValue.first.stringKey == TEXT_PROPERTY )
255 DoSetProperty( Toolkit::TextVisual::Property::TEXT, keyValue.second );
257 else if( keyValue.first.stringKey == FONT_FAMILY_PROPERTY )
259 DoSetProperty( Toolkit::TextVisual::Property::FONT_FAMILY, keyValue.second );
261 else if( keyValue.first.stringKey == FONT_STYLE_PROPERTY )
263 DoSetProperty( Toolkit::TextVisual::Property::FONT_STYLE, keyValue.second );
265 else if( keyValue.first.stringKey == POINT_SIZE_PROPERTY )
267 DoSetProperty( Toolkit::TextVisual::Property::POINT_SIZE, keyValue.second );
269 else if( keyValue.first.stringKey == MULTI_LINE_PROPERTY )
271 DoSetProperty( Toolkit::TextVisual::Property::MULTI_LINE, keyValue.second );
273 else if( keyValue.first.stringKey == HORIZONTAL_ALIGNMENT_PROPERTY )
275 DoSetProperty( Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT, keyValue.second );
277 else if( keyValue.first.stringKey == VERTICAL_ALIGNMENT_PROPERTY )
279 DoSetProperty( Toolkit::TextVisual::Property::VERTICAL_ALIGNMENT, keyValue.second );
281 else if( keyValue.first.stringKey == TEXT_COLOR_PROPERTY )
283 DoSetProperty( Toolkit::TextVisual::Property::TEXT_COLOR, keyValue.second );
285 else if( keyValue.first.stringKey == ENABLE_MARKUP_PROPERTY )
287 DoSetProperty( Toolkit::TextVisual::Property::ENABLE_MARKUP, keyValue.second );
289 else if( keyValue.first.stringKey == ENABLE_AUTO_SCROLL_PROPERTY )
291 DoSetProperty( Toolkit::TextVisual::Property::ENABLE_AUTO_SCROLL, keyValue.second );
293 else if( keyValue.first.stringKey == AUTO_SCROLL_SPEED_PROPERTY )
295 DoSetProperty( Toolkit::TextVisual::Property::AUTO_SCROLL_SPEED, keyValue.second );
297 else if( keyValue.first.stringKey == AUTO_SCROLL_LOOP_COUNT_PROPERTY )
299 DoSetProperty( Toolkit::TextVisual::Property::AUTO_SCROLL_LOOP_COUNT, keyValue.second );
301 else if( keyValue.first.stringKey == AUTO_SCROLL_GAP_PROPERTY )
303 DoSetProperty( Toolkit::TextVisual::Property::AUTO_SCROLL_GAP, keyValue.second );
305 else if( keyValue.first.stringKey == LINE_SPACING_PROPERTY )
307 DoSetProperty( Toolkit::TextVisual::Property::LINE_SPACING, keyValue.second );
309 else if( keyValue.first.stringKey == UNDERLINE_PROPERTY )
311 DoSetProperty( Toolkit::TextVisual::Property::UNDERLINE, keyValue.second );
313 else if( keyValue.first.stringKey == SHADOW_PROPERTY )
315 DoSetProperty( Toolkit::TextVisual::Property::SHADOW, keyValue.second );
317 else if( keyValue.first.stringKey == OUTLINE_PROPERTY )
319 DoSetProperty( Toolkit::TextVisual::Property::OUTLINE, keyValue.second );
321 else if( keyValue.first.stringKey == BATCHING_ENABLED_PROPERTY )
323 DoSetProperty( Toolkit::TextVisual::Property::BATCHING_ENABLED, keyValue.second );
330 // Retrieve the layout engine to set whether to elide the text and set the cursor's width.
331 Text::LayoutEngine& engine = mController->GetLayoutEngine();
333 // Elide the text if it exceeds the boundaries.
334 engine.SetTextEllipsisEnabled( true );
336 // Sets 0 as cursor's width.
337 engine.SetCursorWidth( 0u ); // Do not layout space for the cursor.
340 void TextVisual::DoSetOnStage( Actor& actor )
342 // TODO Create the actual renderer(s) for the text!!!!
343 // Will crash if no mImpl->mRenderer is set.
347 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
349 shader = mFactoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
352 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
353 mFactoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
356 mImpl->mRenderer = Renderer::New( geometry, shader );
366 mHasBeenStaged = true;
370 void TextVisual::DoSetOffStage( Actor& actor )
375 void TextVisual::DoSetProperty( Dali::Property::Index index, const Dali::Property::Value& propertyValue )
379 case Toolkit::TextVisual::Property::RENDERING_BACKEND:
381 int backend = propertyValue.Get<int>();
383 #ifndef ENABLE_VECTOR_BASED_TEXT_RENDERING
384 if( Text::RENDERING_VECTOR_BASED == backend )
386 backend = TextAbstraction::BITMAP_GLYPH; // Fallback to bitmap-based rendering
389 if( mRenderingBackend != backend )
391 mRenderingBackend = backend;
394 // When using the vector-based rendering, the size of the GLyphs are different
395 TextAbstraction::GlyphType glyphType = ( Text::RENDERING_VECTOR_BASED == mRenderingBackend ) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
396 mController->SetGlyphType( glyphType );
400 case Toolkit::TextVisual::Property::TEXT:
402 mController->SetText( propertyValue.Get<std::string>() );
405 case Toolkit::TextVisual::Property::FONT_FAMILY:
407 SetFontFamilyProperty( mController, propertyValue );
410 case Toolkit::TextVisual::Property::FONT_STYLE:
412 SetFontStyleProperty( mController, propertyValue, Text::FontStyle::DEFAULT );
415 case Toolkit::TextVisual::Property::POINT_SIZE:
417 const float pointSize = propertyValue.Get<float>();
419 if( !Equals( mController->GetDefaultPointSize(), pointSize ) )
421 mController->SetDefaultPointSize( pointSize );
425 case Toolkit::TextVisual::Property::MULTI_LINE:
427 mController->SetMultiLineEnabled( propertyValue.Get<bool>() );
430 case Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT:
432 LayoutEngine::HorizontalAlignment alignment( LayoutEngine::HORIZONTAL_ALIGN_BEGIN );
433 if( Scripting::GetEnumeration< Toolkit::Text::LayoutEngine::HorizontalAlignment >( propertyValue.Get< std::string >().c_str(),
434 HORIZONTAL_ALIGNMENT_STRING_TABLE,
435 HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT,
438 mController->SetHorizontalAlignment( alignment );
442 case Toolkit::TextVisual::Property::VERTICAL_ALIGNMENT:
444 LayoutEngine::VerticalAlignment alignment( LayoutEngine::VERTICAL_ALIGN_BOTTOM );
445 if( Scripting::GetEnumeration< Toolkit::Text::LayoutEngine::VerticalAlignment >( propertyValue.Get< std::string >().c_str(),
446 VERTICAL_ALIGNMENT_STRING_TABLE,
447 VERTICAL_ALIGNMENT_STRING_TABLE_COUNT,
450 mController->SetVerticalAlignment( alignment );
454 case Toolkit::TextVisual::Property::TEXT_COLOR:
456 const Vector4 textColor = propertyValue.Get< Vector4 >();
457 if( mController->GetTextColor() != textColor )
459 mController->SetTextColor( textColor );
464 case Toolkit::TextVisual::Property::ENABLE_MARKUP:
466 const bool enableMarkup = propertyValue.Get<bool>();
467 mController->SetMarkupProcessorEnabled( enableMarkup );
470 case Toolkit::TextVisual::Property::ENABLE_AUTO_SCROLL:
475 case Toolkit::TextVisual::Property::AUTO_SCROLL_SPEED:
480 case Toolkit::TextVisual::Property::AUTO_SCROLL_LOOP_COUNT:
485 case Toolkit::TextVisual::Property::AUTO_SCROLL_GAP:
490 case Toolkit::TextVisual::Property::LINE_SPACING:
492 const float lineSpacing = propertyValue.Get<float>();
493 mController->SetDefaultLineSpacing( lineSpacing );
497 case Toolkit::TextVisual::Property::UNDERLINE:
499 // TODO : This switch can be removed when the deprecated SHADOW_OFFSET and SHADOW_COLOR properties are finally removed.
500 // Only the code for the MAP case should be kept.
501 switch( propertyValue.GetType() )
503 case Property::VECTOR4:
505 const Vector4 color = propertyValue.Get<Vector4>();
506 if( mController->GetUnderlineColor() != color )
508 mController->SetUnderlineColor( color );
513 case Property::FLOAT:
515 float height = propertyValue.Get<float>();
516 if( fabsf( mController->GetUnderlineHeight() - height ) > Math::MACHINE_EPSILON_1000 )
518 mController->SetUnderlineHeight( height );
523 case Property::BOOLEAN:
525 const bool enabled = propertyValue.Get<bool>();
526 if( mController->IsUnderlineEnabled() != enabled )
528 mController->SetUnderlineEnabled( enabled );
535 const bool update = SetUnderlineProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
551 case Toolkit::TextVisual::Property::SHADOW:
553 // TODO : This switch can be removed when the deprecated SHADOW_OFFSET and SHADOW_COLOR properties are finally removed.
554 // Only the code for the MAP case should be kept.
555 switch( propertyValue.GetType() )
557 case Property::VECTOR2:
559 const Vector2 shadowOffset = propertyValue.Get<Vector2>();
560 if( mController->GetShadowOffset() != shadowOffset )
562 mController->SetShadowOffset( shadowOffset );
567 case Property::VECTOR4:
569 const Vector4 shadowColor = propertyValue.Get<Vector4>();
570 if( mController->GetShadowColor() != shadowColor )
572 mController->SetShadowColor( shadowColor );
579 const bool update = SetShadowProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
594 case Toolkit::TextVisual::Property::EMBOSS:
596 const bool update = SetEmbossProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
603 case Toolkit::TextVisual::Property::OUTLINE:
605 const bool update = SetOutlineProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
612 case Toolkit::TextVisual::Property::BATCHING_ENABLED:
619 // Should not arrive here.
620 DALI_ASSERT_DEBUG( false );
625 Dali::Property::Value TextVisual::DoGetProperty( Dali::Property::Index index )
627 Dali::Property::Value value;
631 case Toolkit::TextVisual::Property::RENDERING_BACKEND:
633 value = mRenderingBackend;
636 case Toolkit::TextVisual::Property::TEXT:
639 mController->GetText( text );
643 case Toolkit::TextVisual::Property::FONT_FAMILY:
645 value = mController->GetDefaultFontFamily();
648 case Toolkit::TextVisual::Property::FONT_STYLE:
650 GetFontStyleProperty( mController, value, Text::FontStyle::DEFAULT );
653 case Toolkit::TextVisual::Property::POINT_SIZE:
655 value = mController->GetDefaultPointSize();
658 case Toolkit::TextVisual::Property::MULTI_LINE:
660 value = mController->IsMultiLineEnabled();
663 case Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT:
665 const char* name = Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::HorizontalAlignment >( mController->GetHorizontalAlignment(),
666 HORIZONTAL_ALIGNMENT_STRING_TABLE,
667 HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT );
670 value = std::string( name );
674 case Toolkit::TextVisual::Property::VERTICAL_ALIGNMENT:
676 const char* name = Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::VerticalAlignment >( mController->GetVerticalAlignment(),
677 VERTICAL_ALIGNMENT_STRING_TABLE,
678 VERTICAL_ALIGNMENT_STRING_TABLE_COUNT );
681 value = std::string( name );
685 case Toolkit::TextVisual::Property::TEXT_COLOR:
687 value = mController->GetTextColor();
690 case Toolkit::TextVisual::Property::ENABLE_MARKUP:
692 value = mController->IsMarkupProcessorEnabled();
695 case Toolkit::TextVisual::Property::ENABLE_AUTO_SCROLL:
700 case Toolkit::TextVisual::Property::AUTO_SCROLL_SPEED:
705 case Toolkit::TextVisual::Property::AUTO_SCROLL_LOOP_COUNT:
710 case Toolkit::TextVisual::Property::AUTO_SCROLL_GAP:
715 case Toolkit::TextVisual::Property::LINE_SPACING:
717 value = mController->GetDefaultLineSpacing();
720 case Toolkit::TextVisual::Property::UNDERLINE:
722 GetUnderlineProperties( mController, value, Text::EffectStyle::DEFAULT );
725 case Toolkit::TextVisual::Property::SHADOW:
727 GetShadowProperties( mController, value, Text::EffectStyle::DEFAULT );
730 case Toolkit::TextVisual::Property::EMBOSS:
732 GetEmbossProperties( mController, value, Text::EffectStyle::DEFAULT );
735 case Toolkit::TextVisual::Property::OUTLINE:
737 GetOutlineProperties( mController, value, Text::EffectStyle::DEFAULT );
740 case Toolkit::TextVisual::Property::BATCHING_ENABLED:
747 // Should not arrive here.
748 DALI_ASSERT_DEBUG( false );
755 void TextVisual::OnSetTransform()
757 Vector2 visualSize = mImpl->mTransform.GetVisualSize( mImpl->mControlSize );
759 // Note, the direction should come from the layout of the parent control
760 mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
762 const Text::Controller::UpdateTextType updateTextType = mController->Relayout( visualSize );
764 if( ( Text::Controller::NONE_UPDATED != ( Text::Controller::MODEL_UPDATED & updateTextType ) ) ||
769 mRenderer = Text::Backend::Get().NewRenderer( mRenderingBackend );
775 void TextVisual::RenderText()
777 Actor self = mSelf.GetHandle();
780 // Nothing to do if the handle is not initialized.
784 Actor renderableActor;
788 renderableActor = mRenderer->Render( mController->GetView(), Toolkit::DepthIndex::TEXT );
791 if( renderableActor != mRenderableActor )
793 UnparentAndReset( mRenderableActor );
795 if( renderableActor )
797 const Vector2& scrollOffset = mController->GetScrollPosition();
798 renderableActor.SetPosition( scrollOffset.x, scrollOffset.y );
800 self.Add( renderableActor );
802 mRenderableActor = renderableActor;
806 } // namespace Internal
808 } // namespace Toolkit