// EXTERNAL INCLUDES
#include <dali/public-api/animation/constraints.h>
+#include <dali/devel-api/text-abstraction/text-abstraction-definitions.h>
// INTERNAL HEADER
#include <dali-toolkit/devel-api/visuals/text-visual-properties.h>
#include <dali-toolkit/internal/visuals/visual-string-constants.h>
#include <dali-toolkit/internal/text/text-font-style.h>
#include <dali-toolkit/internal/text/text-effects-style.h>
+#include <dali-toolkit/internal/text/script-run.h>
namespace Dali
{
}\n
);
-const char* FRAGMENT_SHADER_ATLAS_CLAMP = DALI_COMPOSE_SHADER(
+const char* FRAGMENT_SHADER_ATLAS_CLAMP_RGBA = DALI_COMPOSE_SHADER(
varying mediump vec2 vTexCoord;\n
uniform sampler2D sTexture;\n
uniform sampler2D sStyle;\n
}\n
);
+const char* FRAGMENT_SHADER_ATLAS_CLAMP_L8 = DALI_COMPOSE_SHADER(
+ varying mediump vec2 vTexCoord;\n
+ uniform sampler2D sTexture;\n
+ uniform lowp vec4 uTextColorAnimatable;\n
+ uniform mediump vec4 uAtlasRect;\n
+ uniform lowp vec4 uColor;\n
+ uniform lowp vec3 mixColor;\n
+ uniform lowp float opacity;\n
+ \n
+ void main()\n
+ {\n
+ mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
+ mediump float textTexture = texture2D( sTexture, texCoord ).r;\n
+
+ // Set the color of the text to what it is animated to.
+ gl_FragColor = uTextColorAnimatable * textTexture * uColor * vec4( mixColor, opacity );\n
+ }\n
+);
+
/**
* Return Property index for the given string key
* param[in] stringKey the string index key
mControl = actor;
Geometry geometry = mFactoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
-
- Shader shader = mFactoryCache.GetShader( VisualFactoryCache::TEXT_SHADER );
- if( ! shader )
- {
- shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
- shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
-
- mFactoryCache.SaveShader( VisualFactoryCache::TEXT_SHADER, shader );
- }
+ Shader shader = GetTextShader(mFactoryCache, true);
mImpl->mRenderer = Renderer::New( geometry, shader );
mImpl->mRenderer.SetProperty( Dali::Renderer::Property::DEPTH_INDEX, Toolkit::DepthIndex::CONTENT );
if( ( relayoutSize.width > Math::MACHINE_EPSILON_1000 ) &&
( relayoutSize.height > Math::MACHINE_EPSILON_1000 ) )
{
- Vector4 atlasRect = FULL_TEXTURE_RECT;
+ // Check whether it is a markup text with multiple text colors
+ const Vector4* const colorsBuffer = mController->GetTextModel()->GetColors();
+ bool hasMultipleTextColors = ( NULL != colorsBuffer );
+
+ // Check whether the text contains any emoji
+ bool containsEmoji = false;
- // Create a texture for the text without any styles
- PixelData data = mTypesetter->Render( relayoutSize, Text::Typesetter::RENDER_NO_STYLES );
+ Text::ScriptRunIndex numberOfScripts = mController->GetTextModel()->GetNumberOfScripts();
+ const Text::ScriptRun* scripts = mController->GetTextModel()->GetScriptRuns();
+ for ( Text::ScriptRunIndex scriptIndex = 0u; scriptIndex < numberOfScripts; scriptIndex++ )
+ {
+ const Text::ScriptRun& scriptRun = *( scripts + scriptIndex );
+ if( TextAbstraction::EMOJI == scriptRun.script )
+ {
+ containsEmoji = true;
+ break;
+ }
+ }
+
+ // Check whether the text contains any style colors (e.g. underline color, shadow color, etc.)
+ bool shadowEnabled = false;
+ const Vector2& shadowOffset = mController->GetTextModel()->GetShadowOffset();
+ if ( fabsf( shadowOffset.x ) > Math::MACHINE_EPSILON_1 || fabsf( shadowOffset.y ) > Math::MACHINE_EPSILON_1 )
+ {
+ shadowEnabled = true;
+ }
+
+ const bool underlineEnabled = mController->GetTextModel()->IsUnderlineEnabled();
+
+ if ( hasMultipleTextColors || containsEmoji || shadowEnabled || underlineEnabled )
+ {
+ // Create RGBA textures if the text contains emojis or styles or multiple text colors
- // It may happen the image atlas can't handle a pixel data it exceeds the maximum size.
- // In that case, create a texture. TODO: should tile the text.
+ // Create a texture for the text without any styles
+ PixelData data = mTypesetter->Render( relayoutSize, Text::Typesetter::RENDER_NO_STYLES );
- Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D,
- data.GetPixelFormat(),
- data.GetWidth(),
- data.GetHeight() );
+ // It may happen the image atlas can't handle a pixel data it exceeds the maximum size.
+ // In that case, create a texture. TODO: should tile the text.
- texture.Upload( data );
+ Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D,
+ data.GetPixelFormat(),
+ data.GetWidth(),
+ data.GetHeight() );
- TextureSet textureSet = TextureSet::New();
- textureSet.SetTexture( 0u, texture );
+ texture.Upload( data );
- // Create a texture for all the text styles (without the text itself)
- PixelData styleData = mTypesetter->Render( relayoutSize, Text::Typesetter::RENDER_NO_TEXT );
+ TextureSet textureSet = TextureSet::New();
+ textureSet.SetTexture( 0u, texture );
- Texture styleTexture = Texture::New( Dali::TextureType::TEXTURE_2D,
- styleData.GetPixelFormat(),
- styleData.GetWidth(),
- styleData.GetHeight() );
+ // Create a texture for all the text styles (without the text itself)
+ PixelData styleData = mTypesetter->Render( relayoutSize, Text::Typesetter::RENDER_NO_TEXT );
- styleTexture.Upload( styleData );
+ Texture styleTexture = Texture::New( Dali::TextureType::TEXTURE_2D,
+ styleData.GetPixelFormat(),
+ styleData.GetWidth(),
+ styleData.GetHeight() );
- textureSet.SetTexture( 1u, styleTexture );
+ styleTexture.Upload( styleData );
- // Create a texture as a mask to avoid color glyphs (e.g. emojis) to be affected by text color animation
- PixelData maskData = mTypesetter->Render( relayoutSize, Text::Typesetter::RENDER_MASK );
+ textureSet.SetTexture( 1u, styleTexture );
- Texture maskTexture = Texture::New( Dali::TextureType::TEXTURE_2D,
- styleData.GetPixelFormat(),
- styleData.GetWidth(),
- styleData.GetHeight() );
+ // Create a texture as a mask to avoid color glyphs (e.g. emojis) to be affected by text color animation
+ PixelData maskData = mTypesetter->Render( relayoutSize, Text::Typesetter::RENDER_MASK );
- maskTexture.Upload( maskData );
+ Texture maskTexture = Texture::New( Dali::TextureType::TEXTURE_2D,
+ styleData.GetPixelFormat(),
+ styleData.GetWidth(),
+ styleData.GetHeight() );
- textureSet.SetTexture( 2u, maskTexture );
+ maskTexture.Upload( maskData );
- // Filter mode needs to be set to linear to produce better quality while scaling.
- Sampler sampler = Sampler::New();
- sampler.SetFilterMode( FilterMode::LINEAR, FilterMode::LINEAR );
- textureSet.SetSampler( 0u, sampler );
- textureSet.SetSampler( 1u, sampler );
- textureSet.SetSampler( 2u, sampler );
+ textureSet.SetTexture( 2u, maskTexture );
- mImpl->mRenderer.SetTextures( textureSet );
+ // Filter mode needs to be set to nearest to produce better quality while static.
+ Sampler sampler = Sampler::New();
+ sampler.SetFilterMode( FilterMode::LINEAR, FilterMode::LINEAR );
+ textureSet.SetSampler( 0u, sampler );
+ textureSet.SetSampler( 1u, sampler );
+ textureSet.SetSampler( 2u, sampler );
+
+ mImpl->mRenderer.SetTextures( textureSet );
+
+ Shader shader = GetTextShader(mFactoryCache, true); // RGBA shader
+ mImpl->mRenderer.SetShader(shader);
+ }
+ else
+ {
+ // Create L8 texture if the text contains only single text color with no emoji and no style
+
+ // Create a texture for the text without any styles
+ PixelData data = mTypesetter->Render( relayoutSize, Text::Typesetter::RENDER_NO_STYLES, false, Pixel::L8 );
+
+ // It may happen the image atlas can't handle a pixel data it exceeds the maximum size.
+ // In that case, create a texture. TODO: should tile the text.
+
+ Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D,
+ data.GetPixelFormat(),
+ data.GetWidth(),
+ data.GetHeight() );
+
+ texture.Upload( data );
+
+ TextureSet textureSet = TextureSet::New();
+ textureSet.SetTexture( 0u, texture );
+
+ // Filter mode needs to be set to nearest to produce better quality while static.
+ Sampler sampler = Sampler::New();
+ sampler.SetFilterMode( FilterMode::NEAREST, FilterMode::NEAREST );
+ textureSet.SetSampler( 0u, sampler );
+
+ mImpl->mRenderer.SetTextures( textureSet );
+
+ Shader shader = GetTextShader(mFactoryCache, false); // L8 shader
+ mImpl->mRenderer.SetShader(shader);
+ }
mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
+ Vector4 atlasRect = FULL_TEXTURE_RECT;
mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
-
- // Check whether it is a markup text with multiple text colors
- const Vector4* const colorsBuffer = mController->GetTextModel()->GetColors();
- bool hasMultipleTextColors = ( NULL != colorsBuffer );
mImpl->mRenderer.RegisterProperty( "uHasMultipleTextColors", static_cast<float>( hasMultipleTextColors ) );
+ mImpl->mRenderer.SetProperty( Renderer::Property::BLEND_MODE, BlendMode::ON);
+
//Register transform properties
mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
}
}
+Shader TextVisual::GetTextShader( VisualFactoryCache& factoryCache, bool isRgbaTexture )
+{
+ Shader shader;
+ if( isRgbaTexture )
+ {
+ shader = factoryCache.GetShader( VisualFactoryCache::TEXT_SHADER_RGBA );
+ if( !shader )
+ {
+ shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP_RGBA );
+ shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
+ factoryCache.SaveShader( VisualFactoryCache::TEXT_SHADER_RGBA, shader );
+ }
+ }
+ else
+ {
+ shader = factoryCache.GetShader( VisualFactoryCache::TEXT_SHADER_L8 );
+ if( !shader )
+ {
+ shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP_L8 );
+ shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
+ factoryCache.SaveShader( VisualFactoryCache::TEXT_SHADER_L8, shader );
+ }
+ }
+
+ return shader;
+}
+
} // namespace Internal
} // namespace Toolkit
projects / platform / core / uifw / dali-toolkit.git / blobdiff