/*
- * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2017 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "npatch-visual.h"
// EXTERNAL INCLUDES
-#include <dali/integration-api/platform-abstraction.h>
#include <dali/public-api/images/buffer-image.h>
#include <dali/public-api/images/resource-image.h>
+#include <dali/devel-api/object/handle-devel.h>
#include <dali/devel-api/images/texture-set-image.h>
+#include <dali/devel-api/adaptor-framework/image-loading.h>
+#include <dali/integration-api/debug.h>
-// INTERNAL IINCLUDES
+// INTERNAL INCLUDES
#include <dali-toolkit/public-api/visuals/image-visual-properties.h>
+#include <dali-toolkit/devel-api/visuals/image-visual-properties-devel.h>
+#include <dali-toolkit/public-api/visuals/visual-properties.h>
+#include <dali-toolkit/internal/visuals/npatch-loader.h>
#include <dali-toolkit/internal/visuals/visual-factory-impl.h>
#include <dali-toolkit/internal/visuals/visual-factory-cache.h>
#include <dali-toolkit/internal/visuals/visual-string-constants.h>
#include <dali-toolkit/internal/visuals/visual-base-impl.h>
#include <dali-toolkit/internal/visuals/visual-base-data-impl.h>
-
namespace Dali
{
namespace
{
-const char * const BORDER_ONLY("borderOnly");
+const char * const BORDER_ONLY( "borderOnly" );
+const char * const BORDER( "border" );
+const char * const AUXILIARY_IMAGE_NAME( "auxiliaryImage" );
+const char * const AUXILIARY_IMAGE_ALPHA_NAME( "auxiliaryImageAlpha" );
const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
attribute mediump vec2 aPosition;\n
varying mediump vec2 vTexCoord;\n
+ varying mediump vec2 vMaskTexCoord;\n
uniform mediump mat4 uMvpMatrix;\n
uniform mediump vec3 uSize;\n
uniform mediump vec2 uNinePatchFactorsX[ FACTOR_SIZE_X ];\n
uniform mediump vec2 uNinePatchFactorsY[ FACTOR_SIZE_Y ];\n
\n
+
+ // Visual size and offset
+ uniform mediump vec2 offset;\n
+ uniform mediump vec2 size;\n
+ uniform mediump vec4 offsetSizeMode;\n
+ uniform mediump vec2 origin;\n
+ uniform mediump vec2 anchorPoint;\n
+
void main()\n
{\n
mediump vec2 fixedFactor = vec2( uNinePatchFactorsX[ int( ( aPosition.x + 1.0 ) * 0.5 ) ].x, uNinePatchFactorsY[ int( ( aPosition.y + 1.0 ) * 0.5 ) ].x );\n
mediump vec2 fixedTotal = vec2( uNinePatchFactorsX[ FACTOR_SIZE_X - 1 ].x, uNinePatchFactorsY[ FACTOR_SIZE_Y - 1 ].x );\n
mediump vec2 stretchTotal = vec2( uNinePatchFactorsX[ FACTOR_SIZE_X - 1 ].y, uNinePatchFactorsY[ FACTOR_SIZE_Y - 1 ].y );\n
\n
- mediump vec4 vertexPosition = vec4( ( fixedFactor + ( uSize.xy - fixedTotal ) * stretch / stretchTotal ), 0.0, 1.0 );\n
- vertexPosition.xy -= uSize.xy * vec2( 0.5, 0.5 );\n
+ vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw );\n
+ vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n
+ \n
+ mediump vec4 gridPosition = vec4( fixedFactor + ( visualSize.xy - fixedTotal ) * stretch / stretchTotal, 0.0, 1.0 );\n
+ mediump vec4 vertexPosition = gridPosition;\n
+ vertexPosition.xy -= visualSize.xy * vec2( 0.5, 0.5 );\n
+ vertexPosition.xy += anchorPoint*visualSize + (visualOffset + origin)*uSize.xy;\n
vertexPosition = uMvpMatrix * vertexPosition;\n
\n
vTexCoord = ( fixedFactor + stretch ) / ( fixedTotal + stretchTotal );\n
+ vMaskTexCoord = gridPosition.xy / visualSize;\n
\n
gl_Position = vertexPosition;\n
}\n
const char* VERTEX_SHADER_3X3 = DALI_COMPOSE_SHADER(
attribute mediump vec2 aPosition;\n
varying mediump vec2 vTexCoord;\n
+ varying mediump vec2 vMaskTexCoord;\n
uniform mediump mat4 uModelMatrix;\n
uniform mediump mat4 uMvpMatrix;\n
uniform mediump vec3 uSize;\n
uniform mediump vec2 uFixed[ 3 ];\n
uniform mediump vec2 uStretchTotal;\n
\n
+ //Visual size and offset
+ uniform mediump vec2 offset;\n
+ uniform mediump vec2 size;\n
+ uniform mediump vec4 offsetSizeMode;\n
+ uniform mediump vec2 origin;\n
+ uniform mediump vec2 anchorPoint;\n
+ \n
void main()\n
{\n
- mediump vec2 scale = vec2( length( uModelMatrix[ 0 ].xyz ), length( uModelMatrix[ 1 ].xyz ) );\n
- mediump vec2 size = uSize.xy * scale;\n
+ vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw );\n
+ vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n
+ \n
+ mediump vec2 size = visualSize.xy;\n
\n
mediump vec2 fixedFactor = vec2( uFixed[ int( ( aPosition.x + 1.0 ) * 0.5 ) ].x, uFixed[ int( ( aPosition.y + 1.0 ) * 0.5 ) ].y );\n
mediump vec2 stretch = floor( aPosition * 0.5 );\n
mediump vec2 fixedTotal = uFixed[ 2 ];\n
\n
- mediump vec4 vertexPosition = vec4( fixedFactor + ( size - fixedTotal ) * stretch, 0.0, 1.0 );\n
+ mediump vec4 gridPosition = vec4( fixedFactor + ( size - fixedTotal ) * stretch, 0.0, 1.0 );\n
+ mediump vec4 vertexPosition = gridPosition;\n
vertexPosition.xy -= size * vec2( 0.5, 0.5 );\n
- vertexPosition.xy = vertexPosition.xy / scale;\n
+ vertexPosition.xy += anchorPoint*size + (visualOffset + origin)*uSize.xy;\n
\n
vertexPosition = uMvpMatrix * vertexPosition;\n
\n
vTexCoord = ( fixedFactor + stretch * uStretchTotal ) / ( fixedTotal + uStretchTotal );\n
\n
+ vMaskTexCoord = gridPosition.xy / size;\n
gl_Position = vertexPosition;\n
}\n
);
varying mediump vec2 vTexCoord;\n
uniform sampler2D sTexture;\n
uniform lowp vec4 uColor;\n
- \n
+ uniform lowp vec3 mixColor;\n
+ uniform lowp float opacity;\n
+ uniform lowp float preMultipliedAlpha;\n
+ lowp vec4 visualMixColor()\n
+ {\n
+ return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
+ }\n
+ void main()\n
+ {\n
+ gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor * visualMixColor();\n
+ }\n
+);
+
+const char* FRAGMENT_MASK_SHADER = DALI_COMPOSE_SHADER(
+ varying mediump vec2 vTexCoord;\n
+ varying mediump vec2 vMaskTexCoord;\n
+ uniform sampler2D sTexture;\n
+ uniform sampler2D sMask;\n
+ uniform lowp vec4 uColor;\n
+ uniform lowp vec3 mixColor;\n
+ uniform lowp float opacity;\n
+ uniform lowp float preMultipliedAlpha;\n
+ uniform mediump float auxiliaryImageAlpha;\n
+ lowp vec4 visualMixColor()\n
+ {\n
+ return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
+ }\n
void main()\n
{\n
- gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;\n
+ // Where mask image is transparent, all of background image must show through.
+ // where mask image is opaque, only mask should be shown
+ // where mask is translucent, less of background should be shown.
+ // auxiliaryImageAlpha controls how much of mask is visible
+
+ mediump vec4 color = texture2D( sTexture, vTexCoord );\n
+ mediump vec4 mask = texture2D( sMask, vMaskTexCoord );\n
+
+ mediump vec3 mixedColor = color.rgb * mix( 1.0-mask.a, 1.0, 1.0-auxiliaryImageAlpha)
+ + mask.rgb*mask.a * auxiliaryImageAlpha;\n
+ gl_FragColor = vec4(mixedColor,1.0) * uColor * visualMixColor();\n
}\n
);
/////////////////NPatchVisual////////////////
-NPatchVisual::NPatchVisual( VisualFactoryCache& factoryCache )
-: Visual::Base( factoryCache ),
- mBorderOnly( false )
+NPatchVisualPtr NPatchVisual::New( VisualFactoryCache& factoryCache, const VisualUrl& imageUrl, const Property::Map& properties )
{
+ NPatchVisualPtr nPatchVisual( new NPatchVisual( factoryCache ) );
+ nPatchVisual->mImageUrl = imageUrl;
+ nPatchVisual->SetProperties( properties );
+
+ return nPatchVisual;
}
-NPatchVisual::~NPatchVisual()
+NPatchVisualPtr NPatchVisual::New( VisualFactoryCache& factoryCache, const VisualUrl& imageUrl )
{
+ NPatchVisualPtr nPatchVisual( new NPatchVisual( factoryCache ) );
+ nPatchVisual->mImageUrl = imageUrl;
+
+ return nPatchVisual;
}
-void NPatchVisual::DoInitialize( Actor& actor, const Property::Map& propertyMap )
+NPatchVisualPtr NPatchVisual::New( VisualFactoryCache& factoryCache, NinePatchImage image )
{
- Property::Value* imageURLValue = propertyMap.Find( Toolkit::ImageVisual::Property::URL, IMAGE_URL_NAME );
- if( imageURLValue )
- {
- //Read the borderOnly property first since InitialiseFromImage relies on mBorderOnly to be properly set
- Property::Value* borderOnlyValue = propertyMap.Find( Toolkit::ImageVisual::Property::BORDER_ONLY, BORDER_ONLY );
- if( borderOnlyValue )
- {
- borderOnlyValue->Get( mBorderOnly );
- }
-
- if( imageURLValue->Get( mImageUrl ) )
- {
- NinePatchImage nPatch = NinePatchImage::New( mImageUrl );
- InitializeFromImage( nPatch );
- }
- else
- {
- InitializeFromBrokenImage();
- DALI_LOG_ERROR( "The property '%s' is not a string\n", IMAGE_URL_NAME );
- }
- }
+ NPatchVisualPtr nPatchVisual( new NPatchVisual( factoryCache ) );
+ VisualUrl visualUrl( image.GetUrl() );
+ nPatchVisual->mImageUrl = visualUrl;
+ return nPatchVisual;
}
-void NPatchVisual::GetNaturalSize( Vector2& naturalSize ) const
+void NPatchVisual::LoadImages()
{
- if( mImage )
+ if( NPatchLoader::UNINITIALIZED_ID == mId && mImageUrl.IsLocalResource() )
{
- naturalSize.x = mImage.GetWidth();
- naturalSize.y = mImage.GetHeight();
+ mId = mLoader.Load( mImageUrl.GetUrl(), mBorder );
}
- else if( !mImageUrl.empty() )
- {
- ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
- naturalSize.x = dimentions.GetWidth();
- naturalSize.y = dimentions.GetHeight();
- }
- else
+
+ if( ! mAuxiliaryPixelBuffer && mAuxiliaryUrl.IsValid() && mAuxiliaryUrl.IsLocalResource() )
{
- naturalSize = Vector2::ZERO;
+ // Load the auxiliary image synchronously
+ mAuxiliaryPixelBuffer = Dali::LoadImageFromFile( mAuxiliaryUrl.GetUrl(), ImageDimensions(),
+ FittingMode::DEFAULT, SamplingMode::BOX_THEN_LINEAR, true );
}
}
-Geometry NPatchVisual::CreateGeometry()
+void NPatchVisual::GetNaturalSize( Vector2& naturalSize )
{
- Geometry geometry;
- if( mStretchPixelsX.Size() == 1 && mStretchPixelsY.Size() == 1 )
+ naturalSize.x = 0u;
+ naturalSize.y = 0u;
+
+ // load now if not already loaded
+ LoadImages();
+
+ const NPatchLoader::Data* data;
+ if( mLoader.GetNPatchData( mId, data ) )
{
- if( !mBorderOnly )
- {
- geometry = mFactoryCache.GetGeometry( VisualFactoryCache::NINE_PATCH_GEOMETRY );
- if( !geometry )
- {
- geometry = CreateGeometry( Uint16Pair( 3, 3 ) );
- mFactoryCache.SaveGeometry( VisualFactoryCache::NINE_PATCH_GEOMETRY, geometry );
- }
- }
- else
- {
- geometry = mFactoryCache.GetGeometry( VisualFactoryCache::NINE_PATCH_BORDER_GEOMETRY );
- if( !geometry )
- {
- geometry = CreateGeometryBorder( Uint16Pair( 3, 3 ) );
- mFactoryCache.SaveGeometry( VisualFactoryCache::NINE_PATCH_BORDER_GEOMETRY, geometry );
- }
- }
+ naturalSize.x = data->croppedWidth;
+ naturalSize.y = data->croppedHeight;
}
- else if( mStretchPixelsX.Size() > 0 || mStretchPixelsY.Size() > 0)
+
+ if( mAuxiliaryPixelBuffer )
{
- Uint16Pair gridSize( 2 * mStretchPixelsX.Size() + 1, 2 * mStretchPixelsY.Size() + 1 );
- geometry = !mBorderOnly ? CreateGeometry( gridSize ) : CreateGeometryBorder( gridSize );
+ naturalSize.x = std::max( naturalSize.x, float(mAuxiliaryPixelBuffer.GetWidth()) );
+ naturalSize.y = std::max( naturalSize.y, float(mAuxiliaryPixelBuffer.GetHeight()) );
}
-
- return geometry;
}
-Shader NPatchVisual::CreateShader()
+void NPatchVisual::DoSetProperties( const Property::Map& propertyMap )
{
- Shader shader;
- if( !mImpl->mCustomShader )
- {
- if( mStretchPixelsX.Size() == 1 && mStretchPixelsY.Size() == 1 )
- {
- shader = mFactoryCache.GetShader( VisualFactoryCache::NINE_PATCH_SHADER );
- if( !shader )
- {
- shader = Shader::New( VERTEX_SHADER_3X3, FRAGMENT_SHADER );
- mFactoryCache.SaveShader( VisualFactoryCache::NINE_PATCH_SHADER, shader );
- }
- }
- else if( mStretchPixelsX.Size() > 0 || mStretchPixelsY.Size() > 0)
- {
- std::stringstream vertexShader;
- vertexShader << "#define FACTOR_SIZE_X " << mStretchPixelsX.Size() + 2 << "\n"
- << "#define FACTOR_SIZE_Y " << mStretchPixelsY.Size() + 2 << "\n"
- << VERTEX_SHADER;
+ // URL is already passed in via constructor
- shader = Shader::New( vertexShader.str(), FRAGMENT_SHADER );
- }
- }
- else
+ Property::Value* borderOnlyValue = propertyMap.Find( Toolkit::ImageVisual::Property::BORDER_ONLY, BORDER_ONLY );
+ if( borderOnlyValue )
{
- const char* fragmentShader = FRAGMENT_SHADER;
- Dali::Shader::Hint::Value hints = Dali::Shader::Hint::NONE;
+ borderOnlyValue->Get( mBorderOnly );
+ }
- if( !mImpl->mCustomShader->mFragmentShader.empty() )
+ Property::Value* borderValue = propertyMap.Find( Toolkit::ImageVisual::Property::BORDER, BORDER );
+ if( borderValue && ! borderValue->Get( mBorder ) ) // If value exists and is rect, just set mBorder
+ {
+ // Not a rect so try vector4
+ Vector4 border;
+ if( borderValue->Get( border ) )
{
- fragmentShader = mImpl->mCustomShader->mFragmentShader.c_str();
+ mBorder.left = static_cast< int >( border.x );
+ mBorder.right = static_cast< int >( border.y );
+ mBorder.bottom = static_cast< int >( border.z );
+ mBorder.top = static_cast< int >( border.w );
}
- hints = mImpl->mCustomShader->mHints;
+ }
- if( mStretchPixelsX.Size() == 1 && mStretchPixelsY.Size() == 1 )
- {
- shader = Shader::New( VERTEX_SHADER_3X3, fragmentShader, hints );
- }
- else if( mStretchPixelsX.Size() > 0 || mStretchPixelsY.Size() > 0)
+ Property::Value* auxImage = propertyMap.Find( Toolkit::DevelImageVisual::Property::AUXILIARY_IMAGE, AUXILIARY_IMAGE_NAME );
+ if( auxImage )
+ {
+ std::string url;
+ if( auxImage->Get( url ) )
{
- std::stringstream vertexShader;
- vertexShader << "#define FACTOR_SIZE_X " << mStretchPixelsX.Size() + 2 << "\n"
- << "#define FACTOR_SIZE_Y " << mStretchPixelsY.Size() + 2 << "\n"
- << VERTEX_SHADER;
-
- shader = Shader::New( vertexShader.str(), fragmentShader, hints );
+ mAuxiliaryUrl = url;
}
}
- return shader;
+ Property::Value* auxImageAlpha = propertyMap.Find( Toolkit::DevelImageVisual::Property::AUXILIARY_IMAGE_ALPHA, AUXILIARY_IMAGE_ALPHA_NAME );
+ if( auxImageAlpha )
+ {
+ auxImageAlpha->Get( mAuxiliaryImageAlpha );
+ }
}
-void NPatchVisual::InitializeRenderer()
+void NPatchVisual::DoSetOnStage( Actor& actor )
{
+ // load when first go on stage
+ LoadImages();
+
Geometry geometry = CreateGeometry();
Shader shader = CreateShader();
-
- if( !geometry || !shader )
- {
- DALI_LOG_ERROR("The 9 patch image '%s' doesn't have any valid stretch borders and so is not a valid 9 patch image\n", mImageUrl.c_str() );
- InitializeFromBrokenImage();
- }
-
- TextureSet textureSet = TextureSet::New();
mImpl->mRenderer = Renderer::New( geometry, shader );
- mImpl->mRenderer.SetTextures( textureSet );
-}
+ ApplyTextureAndUniforms();
-void NPatchVisual::DoSetOnStage( Actor& actor )
-{
- if( !mCroppedImage )
- {
- if( !mImageUrl.empty() )
- {
- NinePatchImage nPatch = NinePatchImage::New( mImageUrl );
- InitializeFromImage( nPatch );
- }
- else if( mImage )
- {
- InitializeFromImage( mImage );
- }
- }
-
- //initialize the renderer after initializing from the image since we need to know the grid size from the image before creating the geometry
- InitializeRenderer();
+ actor.AddRenderer( mImpl->mRenderer );
- if( mCroppedImage )
- {
- ApplyImageToSampler();
- }
+ // npatch loaded and ready to display
+ ResourceReady( Toolkit::Visual::ResourceStatus::READY );
}
void NPatchVisual::DoSetOffStage( Actor& actor )
{
- mCroppedImage.Reset();
actor.RemoveRenderer( mImpl->mRenderer );
mImpl->mRenderer.Reset();
}
+void NPatchVisual::OnSetTransform()
+{
+ if( mImpl->mRenderer )
+ {
+ mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
+ }
+}
+
void NPatchVisual::DoCreatePropertyMap( Property::Map& map ) const
{
map.Clear();
- map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::IMAGE );
- if( !mImageUrl.empty() )
+ map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::N_PATCH );
+ map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl.GetUrl() );
+ map.Insert( Toolkit::ImageVisual::Property::BORDER_ONLY, mBorderOnly );
+ map.Insert( Toolkit::ImageVisual::Property::BORDER, mBorder );
+
+ if( mAuxiliaryUrl.IsValid() )
{
- map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl );
+ map.Insert( Toolkit::DevelImageVisual::Property::AUXILIARY_IMAGE, mAuxiliaryUrl.GetUrl() );
+ map.Insert( Toolkit::DevelImageVisual::Property::AUXILIARY_IMAGE_ALPHA, mAuxiliaryImageAlpha );
}
- else if( mImage )
+}
+
+void NPatchVisual::DoCreateInstancePropertyMap( Property::Map& map ) const
+{
+ if( mAuxiliaryUrl.IsValid() )
{
- map.Insert( Toolkit::ImageVisual::Property::URL, mImage.GetUrl() );
+ map.Insert( Toolkit::DevelImageVisual::Property::AUXILIARY_IMAGE, mAuxiliaryUrl.GetUrl() );
+ map.Insert( Toolkit::DevelImageVisual::Property::AUXILIARY_IMAGE_ALPHA, mAuxiliaryImageAlpha );
}
- map.Insert( Toolkit::ImageVisual::Property::BORDER_ONLY, mBorderOnly );
}
-void NPatchVisual::ChangeRenderer( bool oldBorderOnly, size_t oldGridX, size_t oldGridY )
+NPatchVisual::NPatchVisual( VisualFactoryCache& factoryCache )
+: Visual::Base( factoryCache ),
+ mLoader( factoryCache.GetNPatchLoader() ),
+ mImageUrl(),
+ mAuxiliaryUrl(),
+ mId( NPatchLoader::UNINITIALIZED_ID ),
+ mBorderOnly( false ),
+ mBorder(),
+ mAuxiliaryImageAlpha( 0.0f )
{
- //check to see if the border style has changed
+}
- bool borderOnlyChanged = oldBorderOnly != mBorderOnly;
- bool gridChanged = oldGridX != mStretchPixelsX.Size() || oldGridY != mStretchPixelsY.Size();
+NPatchVisual::~NPatchVisual()
+{
+}
- if( borderOnlyChanged || gridChanged )
+Geometry NPatchVisual::CreateGeometry()
+{
+ Geometry geometry;
+ const NPatchLoader::Data* data;
+ if( mLoader.GetNPatchData( mId, data ) )
{
- Geometry geometry = CreateGeometry();
- if( geometry )
+ if( data->stretchPixelsX.Size() == 1 && data->stretchPixelsY.Size() == 1 )
{
- mImpl->mRenderer.SetGeometry( geometry );
+ if( DALI_UNLIKELY( mBorderOnly ) )
+ {
+ geometry = GetNinePatchGeometry( VisualFactoryCache::NINE_PATCH_BORDER_GEOMETRY );
+ }
+ else
+ {
+ geometry = GetNinePatchGeometry( VisualFactoryCache::NINE_PATCH_GEOMETRY );
+ }
}
- else
+ else if( data->stretchPixelsX.Size() > 0 || data->stretchPixelsY.Size() > 0)
{
- InitializeFromBrokenImage();
+ Uint16Pair gridSize( 2 * data->stretchPixelsX.Size() + 1, 2 * data->stretchPixelsY.Size() + 1 );
+ geometry = !mBorderOnly ? CreateGridGeometry( gridSize ) : CreateBorderGeometry( gridSize );
}
}
-
- if( gridChanged )
+ else
{
- Shader shader = CreateShader();
- TextureSet textureSet;
- if( shader )
- {
- textureSet = mImpl->mRenderer.GetTextures();
- if( !textureSet )
- {
- InitializeFromBrokenImage();
- }
- mImpl->mRenderer.SetShader( shader );
- }
+ // no N patch data so use default geometry
+ geometry = GetNinePatchGeometry( VisualFactoryCache::NINE_PATCH_GEOMETRY );
}
+ return geometry;
}
-void NPatchVisual::SetImage( const std::string& imageUrl, bool borderOnly )
+Shader NPatchVisual::CreateShader()
{
- bool oldBorderOnly = mBorderOnly;
- size_t oldGridX = mStretchPixelsX.Size();
- size_t oldGridY = mStretchPixelsY.Size();
+ Shader shader;
+ const NPatchLoader::Data* data;
+ // 0 is either no data (load failed?) or no stretch regions on image
+ // for both cases we use the default shader
+ NinePatchImage::StretchRanges::SizeType xStretchCount = 0;
+ NinePatchImage::StretchRanges::SizeType yStretchCount = 0;
+
+ auto fragmentShader = mAuxiliaryPixelBuffer ? FRAGMENT_MASK_SHADER
+ : FRAGMENT_SHADER;
+ auto shaderType = mAuxiliaryPixelBuffer ? VisualFactoryCache::NINE_PATCH_MASK_SHADER
+ : VisualFactoryCache::NINE_PATCH_SHADER;
- mBorderOnly = borderOnly;
- mImage.Reset();
- if( mImageUrl == imageUrl )
+ // ask loader for the regions
+ if( mLoader.GetNPatchData( mId, data ) )
{
- return;
+ xStretchCount = data->stretchPixelsX.Count();
+ yStretchCount = data->stretchPixelsY.Count();
}
- mImageUrl = imageUrl;
- if( mImpl->mRenderer )
+ if( DALI_LIKELY( !mImpl->mCustomShader ) )
{
- NinePatchImage nPatch = NinePatchImage::New( mImageUrl );
- InitializeFromImage( nPatch );
-
- ChangeRenderer( oldBorderOnly, oldGridX, oldGridY );
-
- if( mCroppedImage )
+ if( DALI_LIKELY( ( xStretchCount == 1 && yStretchCount == 1 ) ||
+ ( xStretchCount == 0 && yStretchCount == 0 ) ) )
{
- ApplyImageToSampler();
+ shader = mFactoryCache.GetShader( shaderType );
+ if( DALI_UNLIKELY( !shader ) )
+ {
+ shader = Shader::New( VERTEX_SHADER_3X3, fragmentShader );
+ // Only cache vanilla 9 patch shaders
+ mFactoryCache.SaveShader( shaderType, shader );
+ }
}
- }
-}
-
-void NPatchVisual::SetImage( NinePatchImage image, bool borderOnly )
-{
- bool oldBorderOnly = mBorderOnly;
- size_t oldGridX = mStretchPixelsX.Size();
- size_t oldGridY = mStretchPixelsY.Size();
+ else if( xStretchCount > 0 || yStretchCount > 0)
+ {
+ std::stringstream vertexShader;
+ vertexShader << "#define FACTOR_SIZE_X " << xStretchCount + 2 << "\n"
+ << "#define FACTOR_SIZE_Y " << yStretchCount + 2 << "\n"
+ << VERTEX_SHADER;
- mBorderOnly = borderOnly;
- mImageUrl.empty();
- if( mImage == image )
- {
- return;
+ shader = Shader::New( vertexShader.str(), fragmentShader );
+ }
}
-
- mImage = image;
- if( mImpl->mRenderer )
+ else
{
- InitializeFromImage( mImage );
- ChangeRenderer( oldBorderOnly, oldGridX, oldGridY );
+ Dali::Shader::Hint::Value hints = Dali::Shader::Hint::NONE;
- if( mCroppedImage )
+ if( !mImpl->mCustomShader->mFragmentShader.empty() )
{
- ApplyImageToSampler();
+ fragmentShader = mImpl->mCustomShader->mFragmentShader.c_str();
}
- }
-}
-
-void NPatchVisual::InitializeFromImage( NinePatchImage nPatch )
-{
- mCroppedImage = nPatch.CreateCroppedBufferImage();
- if( !mCroppedImage )
- {
- DALI_LOG_ERROR("'%s' specify a valid 9 patch image\n", mImageUrl.c_str() );
- InitializeFromBrokenImage();
- return;
- }
+ hints = mImpl->mCustomShader->mHints;
- mImageSize = ImageDimensions( mCroppedImage.GetWidth(), mCroppedImage.GetHeight() );
+ /* Apply Custom Vertex Shader only if image is 9-patch */
+ if( ( xStretchCount == 1 && yStretchCount == 1 ) ||
+ ( xStretchCount == 0 && yStretchCount == 0 ) )
+ {
+ const char* vertexShader = VERTEX_SHADER_3X3;
- mStretchPixelsX = nPatch.GetStretchPixelsX();
- mStretchPixelsY = nPatch.GetStretchPixelsY();
-}
+ if( !mImpl->mCustomShader->mVertexShader.empty() )
+ {
+ vertexShader = mImpl->mCustomShader->mVertexShader.c_str();
+ }
+ shader = Shader::New( vertexShader, fragmentShader, hints );
+ }
+ else if( xStretchCount > 0 || yStretchCount > 0)
+ {
+ std::stringstream vertexShader;
+ vertexShader << "#define FACTOR_SIZE_X " << xStretchCount + 2 << "\n"
+ << "#define FACTOR_SIZE_Y " << yStretchCount + 2 << "\n"
+ << VERTEX_SHADER;
-void NPatchVisual::InitializeFromBrokenImage()
-{
- mCroppedImage = VisualFactoryCache::GetBrokenVisualImage();
- mImageSize = ImageDimensions( mCroppedImage.GetWidth(), mCroppedImage.GetHeight() );
+ shader = Shader::New( vertexShader.str(), fragmentShader, hints );
+ }
+ }
- mStretchPixelsX.Clear();
- mStretchPixelsX.PushBack( Uint16Pair( 0, mImageSize.GetWidth() ) );
- mStretchPixelsY.Clear();
- mStretchPixelsY.PushBack( Uint16Pair( 0, mImageSize.GetHeight() ) );
+ return shader;
}
-void NPatchVisual::ApplyImageToSampler()
+void NPatchVisual::ApplyTextureAndUniforms()
{
- TextureSet textureSet = mImpl->mRenderer.GetTextures();
- if( textureSet )
+ const NPatchLoader::Data* data;
+ TextureSet textureSet;
+
+ if( mLoader.GetNPatchData( mId, data ) )
{
- TextureSetImage( textureSet, 0u, mCroppedImage );
+ textureSet = data->textureSet;
- if( mStretchPixelsX.Size() == 1 && mStretchPixelsY.Size() == 1 )
+ if( data->stretchPixelsX.Size() == 1 && data->stretchPixelsY.Size() == 1 )
{
//special case for 9 patch
- Uint16Pair stretchX = mStretchPixelsX[ 0 ];
- Uint16Pair stretchY = mStretchPixelsY[ 0 ];
+ Uint16Pair stretchX = data->stretchPixelsX[ 0 ];
+ Uint16Pair stretchY = data->stretchPixelsY[ 0 ];
- uint16_t stretchWidth = stretchX.GetY() - stretchX.GetX();
- uint16_t stretchHeight = stretchY.GetY() - stretchY.GetX();
+ uint16_t stretchWidth = ( stretchX.GetY() >= stretchX.GetX() ) ? stretchX.GetY() - stretchX.GetX() : 0;
+ uint16_t stretchHeight = ( stretchY.GetY() >= stretchY.GetX() ) ? stretchY.GetY() - stretchY.GetX() : 0;
mImpl->mRenderer.RegisterProperty( "uFixed[0]", Vector2::ZERO );
mImpl->mRenderer.RegisterProperty( "uFixed[1]", Vector2( stretchX.GetX(), stretchY.GetX()) );
- mImpl->mRenderer.RegisterProperty( "uFixed[2]", Vector2( mImageSize.GetWidth() - stretchWidth, mImageSize.GetHeight() - stretchHeight ) );
+ mImpl->mRenderer.RegisterProperty( "uFixed[2]", Vector2( data->croppedWidth - stretchWidth, data->croppedHeight - stretchHeight ) );
mImpl->mRenderer.RegisterProperty( "uStretchTotal", Vector2( stretchWidth, stretchHeight ) );
}
else
mImpl->mRenderer.RegisterProperty( "uNinePatchFactorsX[0]", Vector2::ZERO );
mImpl->mRenderer.RegisterProperty( "uNinePatchFactorsY[0]", Vector2::ZERO );
- RegisterStretchProperties( mImpl->mRenderer, "uNinePatchFactorsX", mStretchPixelsX, mImageSize.GetWidth() );
- RegisterStretchProperties( mImpl->mRenderer, "uNinePatchFactorsY", mStretchPixelsY, mImageSize.GetHeight() );
+ RegisterStretchProperties( mImpl->mRenderer, "uNinePatchFactorsX", data->stretchPixelsX, data->croppedWidth );
+ RegisterStretchProperties( mImpl->mRenderer, "uNinePatchFactorsY", data->stretchPixelsY, data->croppedHeight );
}
}
+ else
+ {
+ DALI_LOG_ERROR("The N patch image '%s' is not a valid N patch image\n", mImageUrl.GetUrl().c_str() );
+ textureSet = TextureSet::New();
+
+ Image croppedImage = VisualFactoryCache::GetBrokenVisualImage();
+ TextureSetImage( textureSet, 0u, croppedImage );
+ mImpl->mRenderer.RegisterProperty( "uFixed[0]", Vector2::ZERO );
+ mImpl->mRenderer.RegisterProperty( "uFixed[1]", Vector2::ZERO );
+ mImpl->mRenderer.RegisterProperty( "uFixed[2]", Vector2::ZERO );
+ mImpl->mRenderer.RegisterProperty( "uStretchTotal", Vector2( croppedImage.GetWidth(), croppedImage.GetHeight() ) );
+ }
+
+ if( mAuxiliaryPixelBuffer )
+ {
+ // If the auxiliary image is smaller than the un-stretched NPatch, use CPU resizing to enlarge it to the
+ // same size as the unstretched NPatch. This will give slightly higher quality results than just relying
+ // on GL interpolation alone.
+ if( mAuxiliaryPixelBuffer.GetWidth() < data->croppedWidth &&
+ mAuxiliaryPixelBuffer.GetHeight() < data->croppedHeight )
+ {
+ mAuxiliaryPixelBuffer.Resize( data->croppedWidth, data->croppedHeight );
+ }
+
+ // Note, this resets mAuxiliaryPixelBuffer handle
+ auto auxiliaryPixelData = Devel::PixelBuffer::Convert( mAuxiliaryPixelBuffer );
+
+ auto texture = Texture::New( TextureType::TEXTURE_2D,
+ auxiliaryPixelData.GetPixelFormat(), auxiliaryPixelData.GetWidth(),
+ auxiliaryPixelData.GetHeight() );
+ texture.Upload( auxiliaryPixelData );
+ textureSet.SetTexture( 1, texture );
+ DevelHandle::RegisterProperty( mImpl->mRenderer, DevelImageVisual::Property::AUXILIARY_IMAGE_ALPHA,
+ AUXILIARY_IMAGE_ALPHA_NAME, mAuxiliaryImageAlpha );
+ }
+ mImpl->mRenderer.SetTextures( textureSet );
+
+ // Register transform properties
+ mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
+}
+
+Geometry NPatchVisual::GetNinePatchGeometry( VisualFactoryCache::GeometryType subType )
+{
+ Geometry geometry = mFactoryCache.GetGeometry( subType );
+ if( !geometry )
+ {
+ if( DALI_LIKELY( VisualFactoryCache::NINE_PATCH_GEOMETRY == subType ) )
+ {
+ geometry = CreateGridGeometry( Uint16Pair( 3, 3 ) );
+ }
+ else if( VisualFactoryCache::NINE_PATCH_BORDER_GEOMETRY == subType )
+ {
+ geometry = CreateBorderGeometry( Uint16Pair( 3, 3 ) );
+ }
+ mFactoryCache.SaveGeometry( subType, geometry );
+ }
+ return geometry;
}
-Geometry NPatchVisual::CreateGeometry( Uint16Pair gridSize )
+Geometry NPatchVisual::CreateGridGeometry( Uint16Pair gridSize )
{
uint16_t gridWidth = gridSize.GetWidth();
uint16_t gridHeight = gridSize.GetHeight();
}
// Create indices
- //TODO: compare performance with triangle strip when Geometry supports it
Vector< unsigned short > indices;
indices.Reserve( gridWidth * gridHeight * 6 );
return GenerateGeometry( vertices, indices );
}
-Geometry NPatchVisual::CreateGeometryBorder( Uint16Pair gridSize )
+Geometry NPatchVisual::CreateBorderGeometry( Uint16Pair gridSize )
{
uint16_t gridWidth = gridSize.GetWidth();
uint16_t gridHeight = gridSize.GetHeight();
}
// Create indices
- //TODO: compare performance with triangle strip when Geometry supports it
Vector< unsigned short > indices;
indices.Reserve( gridWidth * gridHeight * 6 );