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 void TextVisual::SetTextControlInterface( Text::ControlInterface* controlInterface )
169 mController->SetTextControlInterface( controlInterface );
173 void TextVisual::SetSize( const Vector2& size )
175 const Text::Controller::UpdateTextType updateTextType = mController->Relayout( size );
177 if( ( Text::Controller::NONE_UPDATED != ( Text::Controller::MODEL_UPDATED & updateTextType ) ) ||
182 mRenderer = Text::Backend::Get().NewRenderer( mRenderingBackend );
189 float TextVisual::GetHeightForWidth( float width ) const
191 return mController->GetHeightForWidth( width );
194 void TextVisual::GetNaturalSize( Vector2& naturalSize ) const
196 naturalSize = mController->GetNaturalSize().GetVectorXY();
199 void TextVisual::DoCreatePropertyMap( Property::Map& map ) const
201 Property::Value value;
204 map.Insert( Toolkit::VisualProperty::TYPE, Toolkit::Visual::TEXT );
206 map.Insert( Toolkit::TextVisual::Property::RENDERING_BACKEND, mRenderingBackend );
209 mController->GetText( text );
210 map.Insert( Toolkit::TextVisual::Property::TEXT, text );
212 map.Insert( Toolkit::TextVisual::Property::FONT_FAMILY, mController->GetDefaultFontFamily() );
214 GetFontStyleProperty( mController, value, Text::FontStyle::DEFAULT );
215 map.Insert( Toolkit::TextVisual::Property::FONT_STYLE, value );
217 map.Insert( Toolkit::TextVisual::Property::POINT_SIZE, mController->GetDefaultPointSize() );
219 map.Insert( Toolkit::TextVisual::Property::MULTI_LINE, mController->IsMultiLineEnabled() );
221 map.Insert( Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT, GetHorizontalAlignment( mController->GetHorizontalAlignment() ) );
223 map.Insert( Toolkit::TextVisual::Property::VERTICAL_ALIGNMENT, GetVerticalAlignment( mController->GetVerticalAlignment() ) );
225 map.Insert( Toolkit::TextVisual::Property::TEXT_COLOR, mController->GetTextColor() );
227 map.Insert( Toolkit::TextVisual::Property::ENABLE_MARKUP, mController->IsMarkupProcessorEnabled() );
229 map.Insert( Toolkit::TextVisual::Property::ENABLE_AUTO_SCROLL, mController->IsAutoScrollEnabled() );
231 map.Insert( Toolkit::TextVisual::Property::AUTO_SCROLL_SPEED, mController->GetAutoScrollSpeed() );
233 map.Insert( Toolkit::TextVisual::Property::AUTO_SCROLL_LOOP_COUNT, mController->GetAutoScrollLoopCount() );
235 map.Insert( Toolkit::TextVisual::Property::AUTO_SCROLL_GAP, mController->GetAutoScrollWrapGap() );
237 map.Insert( Toolkit::TextVisual::Property::LINE_SPACING, mController->GetDefaultLineSpacing() );
239 GetUnderlineProperties( mController, value, Text::EffectStyle::DEFAULT );
240 map.Insert( Toolkit::TextVisual::Property::UNDERLINE, value );
242 GetShadowProperties( mController, value, Text::EffectStyle::DEFAULT );
243 map.Insert( Toolkit::TextVisual::Property::SHADOW, value );
245 GetOutlineProperties( mController, value, Text::EffectStyle::DEFAULT );
246 map.Insert( Toolkit::TextVisual::Property::OUTLINE, value );
248 map.Insert( Toolkit::TextVisual::Property::BATCHING_ENABLED, false ); // TODO
251 TextVisual::TextVisual( VisualFactoryCache& factoryCache )
252 : Visual::Base( factoryCache ),
253 mController( Text::Controller::New() ),
254 mRenderingBackend( Toolkit::Text::DEFAULT_RENDERING_BACKEND ),
255 mHasBeenStaged( false )
259 TextVisual::~TextVisual()
263 void TextVisual::DoSetProperties( const Property::Map& propertyMap )
265 for( Property::Map::SizeType index = 0u, count = propertyMap.Count(); index < count; ++index )
267 const KeyValuePair& keyValue = propertyMap.GetKeyValue( index );
269 switch( keyValue.first.type )
271 case Property::Key::INDEX:
273 if( Toolkit::VisualProperty::TYPE != keyValue.first.indexKey ) // Toolkit::VisualProperty::TYPE is not a TextVisual's property.
275 DoSetProperty( keyValue.first.indexKey, keyValue.second );
279 case Property::Key::STRING:
281 if( keyValue.first.stringKey == RENDERING_BACKEND_PROPERTY )
283 DoSetProperty( Toolkit::TextVisual::Property::RENDERING_BACKEND, keyValue.second );
285 else if( keyValue.first.stringKey == TEXT_PROPERTY )
287 DoSetProperty( Toolkit::TextVisual::Property::TEXT, keyValue.second );
289 else if( keyValue.first.stringKey == FONT_FAMILY_PROPERTY )
291 DoSetProperty( Toolkit::TextVisual::Property::FONT_FAMILY, keyValue.second );
293 else if( keyValue.first.stringKey == FONT_STYLE_PROPERTY )
295 DoSetProperty( Toolkit::TextVisual::Property::FONT_STYLE, keyValue.second );
297 else if( keyValue.first.stringKey == POINT_SIZE_PROPERTY )
299 DoSetProperty( Toolkit::TextVisual::Property::POINT_SIZE, keyValue.second );
301 else if( keyValue.first.stringKey == MULTI_LINE_PROPERTY )
303 DoSetProperty( Toolkit::TextVisual::Property::MULTI_LINE, keyValue.second );
305 else if( keyValue.first.stringKey == HORIZONTAL_ALIGNMENT_PROPERTY )
307 DoSetProperty( Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT, keyValue.second );
309 else if( keyValue.first.stringKey == VERTICAL_ALIGNMENT_PROPERTY )
311 DoSetProperty( Toolkit::TextVisual::Property::VERTICAL_ALIGNMENT, keyValue.second );
313 else if( keyValue.first.stringKey == TEXT_COLOR_PROPERTY )
315 DoSetProperty( Toolkit::TextVisual::Property::TEXT_COLOR, keyValue.second );
317 else if( keyValue.first.stringKey == ENABLE_MARKUP_PROPERTY )
319 DoSetProperty( Toolkit::TextVisual::Property::ENABLE_MARKUP, keyValue.second );
321 else if( keyValue.first.stringKey == ENABLE_AUTO_SCROLL_PROPERTY )
323 DoSetProperty( Toolkit::TextVisual::Property::ENABLE_AUTO_SCROLL, keyValue.second );
325 else if( keyValue.first.stringKey == AUTO_SCROLL_SPEED_PROPERTY )
327 DoSetProperty( Toolkit::TextVisual::Property::AUTO_SCROLL_SPEED, keyValue.second );
329 else if( keyValue.first.stringKey == AUTO_SCROLL_LOOP_COUNT_PROPERTY )
331 DoSetProperty( Toolkit::TextVisual::Property::AUTO_SCROLL_LOOP_COUNT, keyValue.second );
333 else if( keyValue.first.stringKey == AUTO_SCROLL_GAP_PROPERTY )
335 DoSetProperty( Toolkit::TextVisual::Property::AUTO_SCROLL_GAP, keyValue.second );
337 else if( keyValue.first.stringKey == LINE_SPACING_PROPERTY )
339 DoSetProperty( Toolkit::TextVisual::Property::LINE_SPACING, keyValue.second );
341 else if( keyValue.first.stringKey == UNDERLINE_PROPERTY )
343 DoSetProperty( Toolkit::TextVisual::Property::UNDERLINE, keyValue.second );
345 else if( keyValue.first.stringKey == SHADOW_PROPERTY )
347 DoSetProperty( Toolkit::TextVisual::Property::SHADOW, keyValue.second );
349 else if( keyValue.first.stringKey == OUTLINE_PROPERTY )
351 DoSetProperty( Toolkit::TextVisual::Property::OUTLINE, keyValue.second );
353 else if( keyValue.first.stringKey == BATCHING_ENABLED_PROPERTY )
355 DoSetProperty( Toolkit::TextVisual::Property::BATCHING_ENABLED, keyValue.second );
362 // Retrieve the layout engine to set whether to elide the text and set the cursor's width.
363 Text::LayoutEngine& engine = mController->GetLayoutEngine();
365 // Elide the text if it exceeds the boundaries.
366 engine.SetTextEllipsisEnabled( true );
368 // Sets 0 as cursor's width.
369 engine.SetCursorWidth( 0u ); // Do not layout space for the cursor.
372 void TextVisual::DoSetOnStage( Actor& actor )
374 // TODO Create the actual renderer(s) for the text!!!!
375 // Will crash if no mImpl->mRenderer is set.
379 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
381 shader = mFactoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
384 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
385 mFactoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
388 mImpl->mRenderer = Renderer::New( geometry, shader );
398 mHasBeenStaged = true;
402 void TextVisual::DoSetOffStage( Actor& actor )
407 void TextVisual::DoSetProperty( Dali::Property::Index index, const Dali::Property::Value& propertyValue )
411 case Toolkit::TextVisual::Property::RENDERING_BACKEND:
413 int backend = propertyValue.Get<int>();
415 #ifndef ENABLE_VECTOR_BASED_TEXT_RENDERING
416 if( Text::RENDERING_VECTOR_BASED == backend )
418 backend = TextAbstraction::BITMAP_GLYPH; // Fallback to bitmap-based rendering
421 if( mRenderingBackend != backend )
423 mRenderingBackend = backend;
426 // When using the vector-based rendering, the size of the GLyphs are different
427 TextAbstraction::GlyphType glyphType = ( Text::RENDERING_VECTOR_BASED == mRenderingBackend ) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
428 mController->SetGlyphType( glyphType );
432 case Toolkit::TextVisual::Property::TEXT:
434 mController->SetText( propertyValue.Get<std::string>() );
437 case Toolkit::TextVisual::Property::FONT_FAMILY:
439 SetFontFamilyProperty( mController, propertyValue );
442 case Toolkit::TextVisual::Property::FONT_STYLE:
444 SetFontStyleProperty( mController, propertyValue, Text::FontStyle::DEFAULT );
447 case Toolkit::TextVisual::Property::POINT_SIZE:
449 const float pointSize = propertyValue.Get<float>();
451 if( !Equals( mController->GetDefaultPointSize(), pointSize ) )
453 mController->SetDefaultPointSize( pointSize );
457 case Toolkit::TextVisual::Property::MULTI_LINE:
459 mController->SetMultiLineEnabled( propertyValue.Get<bool>() );
462 case Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT:
464 LayoutEngine::HorizontalAlignment alignment( LayoutEngine::HORIZONTAL_ALIGN_BEGIN );
465 if( Scripting::GetEnumeration< Toolkit::Text::LayoutEngine::HorizontalAlignment >( propertyValue.Get< std::string >().c_str(),
466 HORIZONTAL_ALIGNMENT_STRING_TABLE,
467 HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT,
470 mController->SetHorizontalAlignment( alignment );
474 case Toolkit::TextVisual::Property::VERTICAL_ALIGNMENT:
476 LayoutEngine::VerticalAlignment alignment( LayoutEngine::VERTICAL_ALIGN_BOTTOM );
477 if( Scripting::GetEnumeration< Toolkit::Text::LayoutEngine::VerticalAlignment >( propertyValue.Get< std::string >().c_str(),
478 VERTICAL_ALIGNMENT_STRING_TABLE,
479 VERTICAL_ALIGNMENT_STRING_TABLE_COUNT,
482 mController->SetVerticalAlignment( alignment );
486 case Toolkit::TextVisual::Property::TEXT_COLOR:
488 const Vector4 textColor = propertyValue.Get< Vector4 >();
489 if( mController->GetTextColor() != textColor )
491 mController->SetTextColor( textColor );
496 case Toolkit::TextVisual::Property::ENABLE_MARKUP:
498 const bool enableMarkup = propertyValue.Get<bool>();
499 mController->SetMarkupProcessorEnabled( enableMarkup );
502 case Toolkit::TextVisual::Property::ENABLE_AUTO_SCROLL:
504 const bool enableAutoScroll = propertyValue.Get<bool>();
506 // If request to auto scroll is the same as current state then do nothing.
507 if( enableAutoScroll != mController->IsAutoScrollEnabled() )
509 // If request is disable (false) and auto scrolling is enabled then need to stop it
510 if( !enableAutoScroll )
512 StopTextAutoScrolling(); // Causes the current animation to finish playing.
514 // If request is enable (true) then start autoscroll as not already running
517 mController->GetLayoutEngine().SetTextEllipsisEnabled( false );
518 mController->SetAutoScrollEnabled( enableAutoScroll );
519 mController->RequestRelayout();
524 case Toolkit::TextVisual::Property::AUTO_SCROLL_SPEED:
526 mController->SetAutoscrollSpeed( propertyValue.Get<int>() );
529 case Toolkit::TextVisual::Property::AUTO_SCROLL_LOOP_COUNT:
531 const int loopCount = propertyValue.Get<int>();
534 mController->SetAutoScrollLoopCount( loopCount );
538 StopTextAutoScrolling(); // Causes the current animation to finish playing.
542 case Toolkit::TextVisual::Property::AUTO_SCROLL_GAP:
544 mController->SetAutoScrollWrapGap( propertyValue.Get<float>() );
547 case Toolkit::TextVisual::Property::LINE_SPACING:
549 const float lineSpacing = propertyValue.Get<float>();
550 mController->SetDefaultLineSpacing( lineSpacing );
554 case Toolkit::TextVisual::Property::UNDERLINE:
556 // TODO : This switch can be removed when the deprecated SHADOW_OFFSET and SHADOW_COLOR properties are finally removed.
557 // Only the code for the STRING case should be kept.
558 switch( propertyValue.GetType() )
560 case Property::VECTOR4:
562 const Vector4 color = propertyValue.Get<Vector4>();
563 if( mController->GetUnderlineColor() != color )
565 mController->SetUnderlineColor( color );
570 case Property::FLOAT:
572 float height = propertyValue.Get<float>();
573 if( fabsf( mController->GetUnderlineHeight() - height ) > Math::MACHINE_EPSILON_1000 )
575 mController->SetUnderlineHeight( height );
580 case Property::BOOLEAN:
582 const bool enabled = propertyValue.Get<bool>();
583 if( mController->IsUnderlineEnabled() != enabled )
585 mController->SetUnderlineEnabled( enabled );
590 case Property::STRING:
592 const bool update = SetUnderlineProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
608 case Toolkit::TextVisual::Property::SHADOW:
610 // TODO : This switch can be removed when the deprecated SHADOW_OFFSET and SHADOW_COLOR properties are finally removed.
611 // Only the code for the STRING case should be kept.
612 switch( propertyValue.GetType() )
614 case Property::VECTOR2:
616 const Vector2 shadowOffset = propertyValue.Get<Vector2>();
617 if( mController->GetShadowOffset() != shadowOffset )
619 mController->SetShadowOffset( shadowOffset );
624 case Property::VECTOR4:
626 const Vector4 shadowColor = propertyValue.Get<Vector4>();
627 if( mController->GetShadowColor() != shadowColor )
629 mController->SetShadowColor( shadowColor );
634 case Property::STRING:
636 const bool update = SetShadowProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
651 case Toolkit::TextVisual::Property::EMBOSS:
653 const bool update = SetEmbossProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
660 case Toolkit::TextVisual::Property::OUTLINE:
662 const bool update = SetOutlineProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
669 case Toolkit::TextVisual::Property::BATCHING_ENABLED:
676 // Should not arrive here.
677 DALI_ASSERT_DEBUG( false );
682 Dali::Property::Value TextVisual::DoGetProperty( Dali::Property::Index index )
684 Dali::Property::Value value;
688 case Toolkit::TextVisual::Property::RENDERING_BACKEND:
690 value = mRenderingBackend;
693 case Toolkit::TextVisual::Property::TEXT:
696 mController->GetText( text );
700 case Toolkit::TextVisual::Property::FONT_FAMILY:
702 value = mController->GetDefaultFontFamily();
705 case Toolkit::TextVisual::Property::FONT_STYLE:
707 GetFontStyleProperty( mController, value, Text::FontStyle::DEFAULT );
710 case Toolkit::TextVisual::Property::POINT_SIZE:
712 value = mController->GetDefaultPointSize();
715 case Toolkit::TextVisual::Property::MULTI_LINE:
717 value = mController->IsMultiLineEnabled();
720 case Toolkit::TextVisual::Property::HORIZONTAL_ALIGNMENT:
722 const char* name = Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::HorizontalAlignment >( mController->GetHorizontalAlignment(),
723 HORIZONTAL_ALIGNMENT_STRING_TABLE,
724 HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT );
727 value = std::string( name );
731 case Toolkit::TextVisual::Property::VERTICAL_ALIGNMENT:
733 const char* name = Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::VerticalAlignment >( mController->GetVerticalAlignment(),
734 VERTICAL_ALIGNMENT_STRING_TABLE,
735 VERTICAL_ALIGNMENT_STRING_TABLE_COUNT );
738 value = std::string( name );
742 case Toolkit::TextVisual::Property::TEXT_COLOR:
744 value = mController->GetTextColor();
747 case Toolkit::TextVisual::Property::ENABLE_MARKUP:
749 value = mController->IsMarkupProcessorEnabled();
752 case Toolkit::TextVisual::Property::ENABLE_AUTO_SCROLL:
754 value = mController->IsAutoScrollEnabled();
757 case Toolkit::TextVisual::Property::AUTO_SCROLL_SPEED:
759 value = mController->GetAutoScrollSpeed();
762 case Toolkit::TextVisual::Property::AUTO_SCROLL_LOOP_COUNT:
764 value = mController->GetAutoScrollLoopCount();
767 case Toolkit::TextVisual::Property::AUTO_SCROLL_GAP:
769 value = mController->GetAutoScrollWrapGap();
772 case Toolkit::TextVisual::Property::LINE_SPACING:
774 value = mController->GetDefaultLineSpacing();
777 case Toolkit::TextVisual::Property::UNDERLINE:
779 GetUnderlineProperties( mController, value, Text::EffectStyle::DEFAULT );
782 case Toolkit::TextVisual::Property::SHADOW:
784 GetShadowProperties( mController, value, Text::EffectStyle::DEFAULT );
787 case Toolkit::TextVisual::Property::EMBOSS:
789 GetEmbossProperties( mController, value, Text::EffectStyle::DEFAULT );
792 case Toolkit::TextVisual::Property::OUTLINE:
794 GetOutlineProperties( mController, value, Text::EffectStyle::DEFAULT );
797 case Toolkit::TextVisual::Property::BATCHING_ENABLED:
804 // Should not arrive here.
805 DALI_ASSERT_DEBUG( false );
812 void TextVisual::RenderText()
814 Actor self = mSelf.GetHandle();
817 // Nothing to do if the handle is not initialized.
821 Actor renderableActor;
825 renderableActor = mRenderer->Render( mController->GetView(), Toolkit::DepthIndex::TEXT );
828 if( renderableActor != mRenderableActor )
830 UnparentAndReset( mRenderableActor );
832 if( renderableActor )
834 const Vector2& scrollOffset = mController->GetScrollPosition();
835 renderableActor.SetPosition( scrollOffset.x, scrollOffset.y );
837 self.Add( renderableActor );
839 mRenderableActor = renderableActor;
841 if( mController->IsAutoScrollEnabled() )
843 SetUpAutoScrolling();
848 void TextVisual::StopTextAutoScrolling()
852 mTextScroller->StopScrolling();
856 void TextVisual::SetUpAutoScrolling()
858 Actor self = mSelf.GetHandle();
861 // Nothing to do if the handle is not initialized.
865 const Text::ScrollerData* const data = mController->GetAutoScrollData();
871 // If speed, loopCount or gap not set via property system then will need to create a TextScroller with defaults
872 mTextScroller = Text::TextScroller::New( *mController );
875 mTextScroller->StartScrolling( mRenderableActor,
878 self.Add( mTextScroller->GetScrollingText() );
879 self.Add( mTextScroller->GetSourceCamera() );
883 } // namespace Internal
885 } // namespace Toolkit