#include <dali/devel-api/images/pixel-data-devel.h>
#include <dali/devel-api/rendering/renderer-devel.h>
#include <dali/devel-api/text-abstraction/text-abstraction-definitions.h>
-#include <dali/public-api/animation/constraints.h>
#include <string.h>
// INTERNAL HEADER
// Enable the pre-multiplied alpha to improve the text quality
EnablePreMultipliedAlpha(true);
- const Vector4& defaultColor = mController->GetTextModel()->GetDefaultColor();
- Dali::Property::Index shaderTextColorIndex = mImpl->mRenderer.RegisterProperty("uTextColorAnimatable", defaultColor);
-
if(mAnimatableTextColorPropertyIndex != Property::INVALID_INDEX)
{
+ const Vector4& defaultColor = mController->GetTextModel()->GetDefaultColor();
+ Dali::Property::Index shaderTextColorIndex = mImpl->mRenderer.RegisterProperty("uTextColorAnimatable", defaultColor);
+
// Create constraint for the animatable text's color Property with uTextColorAnimatable in the renderer.
if(shaderTextColorIndex != Property::INVALID_INDEX)
{
- Constraint colorConstraint = Constraint::New<Vector4>(mImpl->mRenderer, shaderTextColorIndex, TextColorConstraint);
- colorConstraint.AddSource(Source(actor, mAnimatableTextColorPropertyIndex));
- colorConstraint.Apply();
+ if(!mColorConstraint)
+ {
+ mColorConstraint = Constraint::New<Vector4>(mImpl->mRenderer, shaderTextColorIndex, TextColorConstraint);
+ mColorConstraint.AddSource(Source(actor, mAnimatableTextColorPropertyIndex));
+ }
+ mColorConstraint.Apply();
// Make zero if the alpha value of text color is zero to skip rendering text
- Constraint opacityConstraint = Constraint::New<float>(mImpl->mRenderer, Dali::DevelRenderer::Property::OPACITY, OpacityConstraint);
- opacityConstraint.AddSource(Source(actor, mAnimatableTextColorPropertyIndex));
- opacityConstraint.Apply();
+ if(!mOpacityConstraint)
+ {
+ mOpacityConstraint = Constraint::New<float>(mImpl->mRenderer, Dali::DevelRenderer::Property::OPACITY, OpacityConstraint);
+ mOpacityConstraint.AddSource(Source(actor, mAnimatableTextColorPropertyIndex));
+ }
+ mOpacityConstraint.Apply();
}
}
void TextVisual::DoSetOffScene(Actor& actor)
{
+ if(mColorConstraint)
+ {
+ mColorConstraint.Remove();
+ }
+ if(mOpacityConstraint)
+ {
+ mOpacityConstraint.Remove();
+ }
+
RemoveRenderer(actor);
// Resets the control handle.
*/
// EXTERNAL INCLUDES
+#include <dali/public-api/animation/constraint.h>
#include <dali/public-api/object/base-object.h>
#include <dali/public-api/object/weak-handle.h>
Text::ControllerPtr mController; ///< The text's controller.
Text::TypesetterPtr mTypesetter; ///< The text's typesetter.
WeakHandle<Actor> mControl; ///< The control where the renderer is added.
+ Constraint mColorConstraint{}; ///< Color constraint
+ Constraint mOpacityConstraint{}; ///< Opacity constraint
Property::Index mAnimatableTextColorPropertyIndex; ///< The index of animatable text color property registered by the control.
bool mRendererUpdateNeeded : 1; ///< The flag to indicate whether the renderer needs to be updated.
RendererContainer mRendererList;