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/controls/control-depth-index-ranges.h>
29 #include <dali-toolkit/internal/text/rendering/text-backend.h>
30 #include <dali-toolkit/internal/text/text-view.h>
31 #include <dali-toolkit/internal/visuals/visual-base-impl.h>
32 #include <dali-toolkit/internal/visuals/visual-base-data-impl.h>
33 #include <dali-toolkit/internal/text/text-font-style.h>
34 #include <dali-toolkit/internal/text/text-effects-style.h>
36 using Dali::Toolkit::Text::LayoutEngine;
51 const char * const RENDERING_BACKEND_PROPERTY( "renderingBackend" );
52 const char * const TEXT_PROPERTY( "text" );
53 const char * const FONT_FAMILY_PROPERTY( "fontFamily" );
54 const char * const FONT_STYLE_PROPERTY( "fontStyle" );
55 const char * const POINT_SIZE_PROPERTY( "pointSize" );
56 const char * const MULTI_LINE_PROPERTY( "multiLine" );
57 const char * const HORIZONTAL_ALIGNMENT_PROPERTY( "horizontalAlignment" );
58 const char * const VERTICAL_ALIGNMENT_PROPERTY( "verticalAlignment" );
59 const char * const TEXT_COLOR_PROPERTY( "textColor" );
60 const char * const ENABLE_MARKUP_PROPERTY( "enableMarkup" );
61 const char * const ENABLE_AUTO_SCROLL_PROPERTY( "enableAutoScroll" );
62 const char * const AUTO_SCROLL_SPEED_PROPERTY( "autoScrollSpeed" );
63 const char * const AUTO_SCROLL_LOOP_COUNT_PROPERTY( "autoScrollLoopCount" );
64 const char * const AUTO_SCROLL_GAP_PROPERTY( "autoScrollGap" );
65 const char * const LINE_SPACING_PROPERTY( "lineSpacing" );
66 const char * const UNDERLINE_PROPERTY( "underline" );
67 const char * const SHADOW_PROPERTY( "shadow" );
68 const char * const OUTLINE_PROPERTY( "outline" );
69 const char * const BATCHING_ENABLED_PROPERTY( "batchingEnabled" );
71 const Scripting::StringEnum HORIZONTAL_ALIGNMENT_STRING_TABLE[] =
73 { "BEGIN", Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_BEGIN },
74 { "CENTER", Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_CENTER },
75 { "END", Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_END },
77 const unsigned int HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT = sizeof( HORIZONTAL_ALIGNMENT_STRING_TABLE ) / sizeof( HORIZONTAL_ALIGNMENT_STRING_TABLE[0] );
79 const Scripting::StringEnum VERTICAL_ALIGNMENT_STRING_TABLE[] =
81 { "TOP", Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_TOP },
82 { "CENTER", Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_CENTER },
83 { "BOTTOM", Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_BOTTOM },
85 const unsigned int VERTICAL_ALIGNMENT_STRING_TABLE_COUNT = sizeof( VERTICAL_ALIGNMENT_STRING_TABLE ) / sizeof( VERTICAL_ALIGNMENT_STRING_TABLE[0] );
87 std::string GetHorizontalAlignment( LayoutEngine::HorizontalAlignment alignment )
89 const char* name = Scripting::GetEnumerationName<Toolkit::Text::LayoutEngine::HorizontalAlignment>( alignment,
90 HORIZONTAL_ALIGNMENT_STRING_TABLE,
91 HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT );
93 return std::string( name );
96 std::string GetVerticalAlignment( LayoutEngine::VerticalAlignment alignment )
98 const char* name = Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::VerticalAlignment >( alignment,
99 VERTICAL_ALIGNMENT_STRING_TABLE,
100 VERTICAL_ALIGNMENT_STRING_TABLE_COUNT );
102 return std::string( name );
105 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
106 attribute mediump vec2 aPosition;\n
107 uniform mediump mat4 uMvpMatrix;\n
108 uniform mediump vec3 uSize;\n
109 uniform mediump vec4 pixelArea;
110 varying mediump vec2 vTexCoord;\n
114 mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);\n
115 vertexPosition.xyz *= uSize;\n
116 vertexPosition = uMvpMatrix * vertexPosition;\n
118 vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n
119 gl_Position = vertexPosition;\n
123 const char* FRAGMENT_SHADER_ATLAS_CLAMP = DALI_COMPOSE_SHADER(
124 varying mediump vec2 vTexCoord;\n
125 uniform sampler2D sTexture;\n
126 uniform mediump vec4 uAtlasRect;\n
127 uniform lowp vec4 uColor;\n
131 mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
132 gl_FragColor = texture2D( sTexture, texCoord ) * uColor;\n
136 Geometry CreateGeometry( VisualFactoryCache& factoryCache, ImageDimensions gridSize )
140 if( gridSize == ImageDimensions( 1, 1 ) )
142 geometry = factoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
145 geometry = VisualFactoryCache::CreateQuadGeometry();
146 factoryCache.SaveGeometry( VisualFactoryCache::QUAD_GEOMETRY, geometry );
151 geometry = VisualFactoryCache::CreateGridGeometry( gridSize );
159 TextVisual::TextVisual( VisualFactoryCache& factoryCache )
160 : Visual::Base( factoryCache ),
161 mController( Text::Controller::New() ),
162 mRenderingBackend( Toolkit::Text::DEFAULT_RENDERING_BACKEND ),
163 mHasBeenStaged( false )
167 TextVisual::~TextVisual()
171 void TextVisual::SetTextControlInterface( Text::ControlInterface* controlInterface )
175 mController->SetTextControlInterface( controlInterface );
179 void TextVisual::SetSize( const Vector2& size )
181 const Text::Controller::UpdateTextType updateTextType = mController->Relayout( size );
183 if( ( Text::Controller::NONE_UPDATED != ( Text::Controller::MODEL_UPDATED & updateTextType ) ) ||
188 mRenderer = Text::Backend::Get().NewRenderer( mRenderingBackend );
195 float TextVisual::GetHeightForWidth( float width ) const
197 return mController->GetHeightForWidth( width );
200 void TextVisual::GetNaturalSize( Vector2& naturalSize ) const
202 naturalSize = mController->GetNaturalSize().GetVectorXY();
205 void TextVisual::DoCreatePropertyMap( Property::Map& map ) const
207 Property::Value value;
210 map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::TEXT );
212 map.Insert( Toolkit::TextVisual::Property::RENDERING_BACKEND, mRenderingBackend );
215 mController->GetText( text );
216 map.Insert( Toolkit::TextVisual::Property::TEXT, text );
218 map.Insert( Toolkit::TextVisual::Property::FONT_FAMILY, mController->GetDefaultFontFamily() );
220 GetFontStyleProperty( mController, value, Text::FontStyle::DEFAULT );
221 map.Insert( Toolkit::TextVisual::Property::FONT_STYLE, value );
223 map.Insert( Toolkit::TextVisual::Property::POINT_SIZE, mController->GetDefaultPointSize() );
225 map.Insert( Toolkit::TextVisual::Property::MULTI_LINE, mController->IsMultiLineEnabled() );
227 map.Insert( Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT, GetHorizontalAlignment( mController->GetHorizontalAlignment() ) );
229 map.Insert( Toolkit::TextVisual::Property::VERTICAL_ALIGNMENT, GetVerticalAlignment( mController->GetVerticalAlignment() ) );
231 map.Insert( Toolkit::TextVisual::Property::TEXT_COLOR, mController->GetTextColor() );
233 map.Insert( Toolkit::TextVisual::Property::ENABLE_MARKUP, mController->IsMarkupProcessorEnabled() );
235 map.Insert( Toolkit::TextVisual::Property::ENABLE_AUTO_SCROLL, mController->IsAutoScrollEnabled() );
237 map.Insert( Toolkit::TextVisual::Property::AUTO_SCROLL_SPEED, mController->GetAutoScrollSpeed() );
239 map.Insert( Toolkit::TextVisual::Property::AUTO_SCROLL_LOOP_COUNT, mController->GetAutoScrollLoopCount() );
241 map.Insert( Toolkit::TextVisual::Property::AUTO_SCROLL_GAP, mController->GetAutoScrollWrapGap() );
243 map.Insert( Toolkit::TextVisual::Property::LINE_SPACING, mController->GetDefaultLineSpacing() );
245 GetUnderlineProperties( mController, value, Text::EffectStyle::DEFAULT );
246 map.Insert( Toolkit::TextVisual::Property::UNDERLINE, value );
248 GetShadowProperties( mController, value, Text::EffectStyle::DEFAULT );
249 map.Insert( Toolkit::TextVisual::Property::SHADOW, value );
251 GetOutlineProperties( mController, value, Text::EffectStyle::DEFAULT );
252 map.Insert( Toolkit::TextVisual::Property::OUTLINE, value );
254 map.Insert( Toolkit::TextVisual::Property::BATCHING_ENABLED, false ); // TODO
257 void TextVisual::DoInitialize( Actor& actor, const Property::Map& propertyMap )
261 for( Property::Map::SizeType index = 0u, count = propertyMap.Count(); index < count; ++index )
263 const KeyValuePair& keyValue = propertyMap.GetKeyValue( index );
265 switch( keyValue.first.type )
267 case Property::Key::INDEX:
269 if( Toolkit::Visual::Property::TYPE != keyValue.first.indexKey ) // Toolkit::Visual::Property::TYPE is not a TextVisual's property.
271 DoSetProperty( keyValue.first.indexKey, keyValue.second );
275 case Property::Key::STRING:
277 if( keyValue.first.stringKey == RENDERING_BACKEND_PROPERTY )
279 DoSetProperty( Toolkit::TextVisual::Property::RENDERING_BACKEND, keyValue.second );
281 else if( keyValue.first.stringKey == TEXT_PROPERTY )
283 DoSetProperty( Toolkit::TextVisual::Property::TEXT, keyValue.second );
285 else if( keyValue.first.stringKey == FONT_FAMILY_PROPERTY )
287 DoSetProperty( Toolkit::TextVisual::Property::FONT_FAMILY, keyValue.second );
289 else if( keyValue.first.stringKey == FONT_STYLE_PROPERTY )
291 DoSetProperty( Toolkit::TextVisual::Property::FONT_STYLE, keyValue.second );
293 else if( keyValue.first.stringKey == POINT_SIZE_PROPERTY )
295 DoSetProperty( Toolkit::TextVisual::Property::POINT_SIZE, keyValue.second );
297 else if( keyValue.first.stringKey == MULTI_LINE_PROPERTY )
299 DoSetProperty( Toolkit::TextVisual::Property::MULTI_LINE, keyValue.second );
301 else if( keyValue.first.stringKey == HORIZONTAL_ALIGNMENT_PROPERTY )
303 DoSetProperty( Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT, keyValue.second );
305 else if( keyValue.first.stringKey == VERTICAL_ALIGNMENT_PROPERTY )
307 DoSetProperty( Toolkit::TextVisual::Property::VERTICAL_ALIGNMENT, keyValue.second );
309 else if( keyValue.first.stringKey == TEXT_COLOR_PROPERTY )
311 DoSetProperty( Toolkit::TextVisual::Property::TEXT_COLOR, keyValue.second );
313 else if( keyValue.first.stringKey == ENABLE_MARKUP_PROPERTY )
315 DoSetProperty( Toolkit::TextVisual::Property::ENABLE_MARKUP, keyValue.second );
317 else if( keyValue.first.stringKey == ENABLE_AUTO_SCROLL_PROPERTY )
319 DoSetProperty( Toolkit::TextVisual::Property::ENABLE_AUTO_SCROLL, keyValue.second );
321 else if( keyValue.first.stringKey == AUTO_SCROLL_SPEED_PROPERTY )
323 DoSetProperty( Toolkit::TextVisual::Property::AUTO_SCROLL_SPEED, keyValue.second );
325 else if( keyValue.first.stringKey == AUTO_SCROLL_LOOP_COUNT_PROPERTY )
327 DoSetProperty( Toolkit::TextVisual::Property::AUTO_SCROLL_LOOP_COUNT, keyValue.second );
329 else if( keyValue.first.stringKey == AUTO_SCROLL_GAP_PROPERTY )
331 DoSetProperty( Toolkit::TextVisual::Property::AUTO_SCROLL_GAP, keyValue.second );
333 else if( keyValue.first.stringKey == LINE_SPACING_PROPERTY )
335 DoSetProperty( Toolkit::TextVisual::Property::LINE_SPACING, keyValue.second );
337 else if( keyValue.first.stringKey == UNDERLINE_PROPERTY )
339 DoSetProperty( Toolkit::TextVisual::Property::UNDERLINE, keyValue.second );
341 else if( keyValue.first.stringKey == SHADOW_PROPERTY )
343 DoSetProperty( Toolkit::TextVisual::Property::SHADOW, keyValue.second );
345 else if( keyValue.first.stringKey == OUTLINE_PROPERTY )
347 DoSetProperty( Toolkit::TextVisual::Property::OUTLINE, keyValue.second );
349 else if( keyValue.first.stringKey == BATCHING_ENABLED_PROPERTY )
351 DoSetProperty( Toolkit::TextVisual::Property::BATCHING_ENABLED, keyValue.second );
358 // Retrieve the layout engine to set whether to elide the text and set the cursor's width.
359 Text::LayoutEngine& engine = mController->GetLayoutEngine();
361 // Elide the text if it exceeds the boundaries.
362 engine.SetTextEllipsisEnabled( true );
364 // Sets 0 as cursor's width.
365 engine.SetCursorWidth( 0u ); // Do not layout space for the cursor.
368 void TextVisual::DoSetOnStage( Actor& actor )
370 // TODO Create the actual renderer(s) for the text!!!!
371 // Will crash if no mImpl->mRenderer is set.
375 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
377 shader = mFactoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
380 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
381 mFactoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
384 mImpl->mRenderer = Renderer::New( geometry, shader );
394 mHasBeenStaged = true;
398 void TextVisual::DoSetOffStage( Actor& actor )
403 void TextVisual::DoSetProperty( Dali::Property::Index index, const Dali::Property::Value& propertyValue )
407 case Toolkit::TextVisual::Property::RENDERING_BACKEND:
409 int backend = propertyValue.Get<int>();
411 #ifndef ENABLE_VECTOR_BASED_TEXT_RENDERING
412 if( Text::RENDERING_VECTOR_BASED == backend )
414 backend = TextAbstraction::BITMAP_GLYPH; // Fallback to bitmap-based rendering
417 if( mRenderingBackend != backend )
419 mRenderingBackend = backend;
422 // When using the vector-based rendering, the size of the GLyphs are different
423 TextAbstraction::GlyphType glyphType = ( Text::RENDERING_VECTOR_BASED == mRenderingBackend ) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
424 mController->SetGlyphType( glyphType );
428 case Toolkit::TextVisual::Property::TEXT:
430 mController->SetText( propertyValue.Get<std::string>() );
433 case Toolkit::TextVisual::Property::FONT_FAMILY:
435 SetFontFamilyProperty( mController, propertyValue );
438 case Toolkit::TextVisual::Property::FONT_STYLE:
440 SetFontStyleProperty( mController, propertyValue, Text::FontStyle::DEFAULT );
443 case Toolkit::TextVisual::Property::POINT_SIZE:
445 const float pointSize = propertyValue.Get<float>();
447 if( !Equals( mController->GetDefaultPointSize(), pointSize ) )
449 mController->SetDefaultPointSize( pointSize );
453 case Toolkit::TextVisual::Property::MULTI_LINE:
455 mController->SetMultiLineEnabled( propertyValue.Get<bool>() );
458 case Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT:
460 LayoutEngine::HorizontalAlignment alignment( LayoutEngine::HORIZONTAL_ALIGN_BEGIN );
461 if( Scripting::GetEnumeration< Toolkit::Text::LayoutEngine::HorizontalAlignment >( propertyValue.Get< std::string >().c_str(),
462 HORIZONTAL_ALIGNMENT_STRING_TABLE,
463 HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT,
466 mController->SetHorizontalAlignment( alignment );
470 case Toolkit::TextVisual::Property::VERTICAL_ALIGNMENT:
472 LayoutEngine::VerticalAlignment alignment( LayoutEngine::VERTICAL_ALIGN_BOTTOM );
473 if( Scripting::GetEnumeration< Toolkit::Text::LayoutEngine::VerticalAlignment >( propertyValue.Get< std::string >().c_str(),
474 VERTICAL_ALIGNMENT_STRING_TABLE,
475 VERTICAL_ALIGNMENT_STRING_TABLE_COUNT,
478 mController->SetVerticalAlignment( alignment );
482 case Toolkit::TextVisual::Property::TEXT_COLOR:
484 const Vector4 textColor = propertyValue.Get< Vector4 >();
485 if( mController->GetTextColor() != textColor )
487 mController->SetTextColor( textColor );
492 case Toolkit::TextVisual::Property::ENABLE_MARKUP:
494 const bool enableMarkup = propertyValue.Get<bool>();
495 mController->SetMarkupProcessorEnabled( enableMarkup );
498 case Toolkit::TextVisual::Property::ENABLE_AUTO_SCROLL:
500 const bool enableAutoScroll = propertyValue.Get<bool>();
502 // If request to auto scroll is the same as current state then do nothing.
503 if( enableAutoScroll != mController->IsAutoScrollEnabled() )
505 // If request is disable (false) and auto scrolling is enabled then need to stop it
506 if( !enableAutoScroll )
508 StopTextAutoScrolling(); // Causes the current animation to finish playing.
510 // If request is enable (true) then start autoscroll as not already running
513 mController->GetLayoutEngine().SetTextEllipsisEnabled( false );
514 mController->SetAutoScrollEnabled( enableAutoScroll );
515 mController->RequestRelayout();
520 case Toolkit::TextVisual::Property::AUTO_SCROLL_SPEED:
522 mController->SetAutoscrollSpeed( propertyValue.Get<int>() );
525 case Toolkit::TextVisual::Property::AUTO_SCROLL_LOOP_COUNT:
527 const int loopCount = propertyValue.Get<int>();
530 mController->SetAutoScrollLoopCount( loopCount );
534 StopTextAutoScrolling(); // Causes the current animation to finish playing.
538 case Toolkit::TextVisual::Property::AUTO_SCROLL_GAP:
540 mController->SetAutoScrollWrapGap( propertyValue.Get<float>() );
543 case Toolkit::TextVisual::Property::LINE_SPACING:
545 const float lineSpacing = propertyValue.Get<float>();
546 mController->SetDefaultLineSpacing( lineSpacing );
550 case Toolkit::TextVisual::Property::UNDERLINE:
552 // TODO : This switch can be removed when the deprecated SHADOW_OFFSET and SHADOW_COLOR properties are finally removed.
553 // Only the code for the STRING case should be kept.
554 switch( propertyValue.GetType() )
556 case Property::VECTOR4:
558 const Vector4 color = propertyValue.Get<Vector4>();
559 if( mController->GetUnderlineColor() != color )
561 mController->SetUnderlineColor( color );
566 case Property::FLOAT:
568 float height = propertyValue.Get<float>();
569 if( fabsf( mController->GetUnderlineHeight() - height ) > Math::MACHINE_EPSILON_1000 )
571 mController->SetUnderlineHeight( height );
576 case Property::BOOLEAN:
578 const bool enabled = propertyValue.Get<bool>();
579 if( mController->IsUnderlineEnabled() != enabled )
581 mController->SetUnderlineEnabled( enabled );
586 case Property::STRING:
588 const bool update = SetUnderlineProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
604 case Toolkit::TextVisual::Property::SHADOW:
606 // TODO : This switch can be removed when the deprecated SHADOW_OFFSET and SHADOW_COLOR properties are finally removed.
607 // Only the code for the STRING case should be kept.
608 switch( propertyValue.GetType() )
610 case Property::VECTOR2:
612 const Vector2 shadowOffset = propertyValue.Get<Vector2>();
613 if( mController->GetShadowOffset() != shadowOffset )
615 mController->SetShadowOffset( shadowOffset );
620 case Property::VECTOR4:
622 const Vector4 shadowColor = propertyValue.Get<Vector4>();
623 if( mController->GetShadowColor() != shadowColor )
625 mController->SetShadowColor( shadowColor );
630 case Property::STRING:
632 const bool update = SetShadowProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
647 case Toolkit::TextVisual::Property::EMBOSS:
649 const bool update = SetEmbossProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
656 case Toolkit::TextVisual::Property::OUTLINE:
658 const bool update = SetOutlineProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
665 case Toolkit::TextVisual::Property::BATCHING_ENABLED:
672 // Should not arrive here.
673 DALI_ASSERT_DEBUG( false );
678 Dali::Property::Value TextVisual::DoGetProperty( Dali::Property::Index index )
680 Dali::Property::Value value;
684 case Toolkit::TextVisual::Property::RENDERING_BACKEND:
686 value = mRenderingBackend;
689 case Toolkit::TextVisual::Property::TEXT:
692 mController->GetText( text );
696 case Toolkit::TextVisual::Property::FONT_FAMILY:
698 value = mController->GetDefaultFontFamily();
701 case Toolkit::TextVisual::Property::FONT_STYLE:
703 GetFontStyleProperty( mController, value, Text::FontStyle::DEFAULT );
706 case Toolkit::TextVisual::Property::POINT_SIZE:
708 value = mController->GetDefaultPointSize();
711 case Toolkit::TextVisual::Property::MULTI_LINE:
713 value = mController->IsMultiLineEnabled();
716 case Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT:
718 const char* name = Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::HorizontalAlignment >( mController->GetHorizontalAlignment(),
719 HORIZONTAL_ALIGNMENT_STRING_TABLE,
720 HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT );
723 value = std::string( name );
727 case Toolkit::TextVisual::Property::VERTICAL_ALIGNMENT:
729 const char* name = Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::VerticalAlignment >( mController->GetVerticalAlignment(),
730 VERTICAL_ALIGNMENT_STRING_TABLE,
731 VERTICAL_ALIGNMENT_STRING_TABLE_COUNT );
734 value = std::string( name );
738 case Toolkit::TextVisual::Property::TEXT_COLOR:
740 value = mController->GetTextColor();
743 case Toolkit::TextVisual::Property::ENABLE_MARKUP:
745 value = mController->IsMarkupProcessorEnabled();
748 case Toolkit::TextVisual::Property::ENABLE_AUTO_SCROLL:
750 value = mController->IsAutoScrollEnabled();
753 case Toolkit::TextVisual::Property::AUTO_SCROLL_SPEED:
755 value = mController->GetAutoScrollSpeed();
758 case Toolkit::TextVisual::Property::AUTO_SCROLL_LOOP_COUNT:
760 value = mController->GetAutoScrollLoopCount();
763 case Toolkit::TextVisual::Property::AUTO_SCROLL_GAP:
765 value = mController->GetAutoScrollWrapGap();
768 case Toolkit::TextVisual::Property::LINE_SPACING:
770 value = mController->GetDefaultLineSpacing();
773 case Toolkit::TextVisual::Property::UNDERLINE:
775 GetUnderlineProperties( mController, value, Text::EffectStyle::DEFAULT );
778 case Toolkit::TextVisual::Property::SHADOW:
780 GetShadowProperties( mController, value, Text::EffectStyle::DEFAULT );
783 case Toolkit::TextVisual::Property::EMBOSS:
785 GetEmbossProperties( mController, value, Text::EffectStyle::DEFAULT );
788 case Toolkit::TextVisual::Property::OUTLINE:
790 GetOutlineProperties( mController, value, Text::EffectStyle::DEFAULT );
793 case Toolkit::TextVisual::Property::BATCHING_ENABLED:
800 // Should not arrive here.
801 DALI_ASSERT_DEBUG( false );
808 void TextVisual::RenderText()
810 Actor renderableActor;
814 renderableActor = mRenderer->Render( mController->GetView(), Toolkit::DepthIndex::TEXT );
817 if( renderableActor != mRenderableActor )
819 UnparentAndReset( mRenderableActor );
821 if( renderableActor )
823 const Vector2& scrollOffset = mController->GetScrollPosition();
824 renderableActor.SetPosition( scrollOffset.x, scrollOffset.y );
826 mSelf.Add( renderableActor );
828 mRenderableActor = renderableActor;
830 if( mController->IsAutoScrollEnabled() )
832 SetUpAutoScrolling();
837 void TextVisual::StopTextAutoScrolling()
841 mTextScroller->StopScrolling();
845 void TextVisual::SetUpAutoScrolling()
847 const Text::ScrollerData* const data = mController->GetAutoScrollData();
853 // If speed, loopCount or gap not set via property system then will need to create a TextScroller with defaults
854 mTextScroller = Text::TextScroller::New( *mController );
857 mTextScroller->StartScrolling( mRenderableActor,
860 mSelf.Add( mTextScroller->GetScrollingText() );
861 mSelf.Add( mTextScroller->GetSourceCamera() );
865 } // namespace Internal
867 } // namespace Toolkit