namespace
{
-const char * const RENDERER_TYPE("renderer-type");
-const char * const RENDERER_TYPE_VALUE("n-patch-renderer");
+const char * const RENDERER_TYPE("rendererType");
+const char * const RENDERER_TYPE_VALUE("nPatchRenderer");
-const char * const IMAGE_URL_NAME("image-url");
-const char * const BORDER_ONLY("border-only");
+const char * const IMAGE_URL_NAME("imageUrl");
+const char * const BORDER_ONLY("borderOnly");
std::string TEXTURE_UNIFORM_NAME = "sTexture";
+const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
+ attribute mediump vec2 aPosition;\n
+ varying mediump vec2 vTexCoord;\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
+ 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 stretch = vec2( uNinePatchFactorsX[ int( ( aPosition.x ) * 0.5 ) ].y, uNinePatchFactorsY[ int( ( aPosition.y ) * 0.5 ) ].y );\n
+ \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
+ vertexPosition = uMvpMatrix * vertexPosition;\n
+ \n
+ vTexCoord = ( fixedFactor + stretch ) / ( fixedTotal + stretchTotal );\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
vertices.PushBack( Vector2( x, y ) );
}
+void RegisterStretchProperties( Material& material, const char * uniformName, const NinePatchImage::StretchRanges& stretchPixels, uint16_t imageExtent)
+{
+ uint16_t prevEnd = 0;
+ uint16_t prevFix = 0;
+ uint16_t prevStretch = 0;
+ unsigned int i = 1;
+ for( NinePatchImage::StretchRanges::ConstIterator it = stretchPixels.Begin(); it != stretchPixels.End(); ++it, ++i )
+ {
+ uint16_t start = it->GetX();
+ uint16_t end = it->GetY();
+
+ uint16_t fix = prevFix + start - prevEnd;
+ uint16_t stretch = prevStretch + end - start;
+
+ std::stringstream uniform;
+ uniform << uniformName << "[" << i << "]";
+ material.RegisterProperty( uniform.str(), Vector2( fix, stretch ) );
+
+ prevEnd = end;
+ prevFix = fix;
+ prevStretch = stretch;
+ }
+
+ {
+ prevFix += imageExtent - prevEnd;
+ std::stringstream uniform;
+ uniform << uniformName << "[" << i << "]";
+ material.RegisterProperty( uniform.str(), Vector2( prevFix, prevStretch ) );
+ }
+}
+
} //unnamed namespace
/////////////////NPatchRenderer////////////////
-NPatchRenderer::NPatchRenderer()
-: ControlRenderer(),
+NPatchRenderer::NPatchRenderer( RendererFactoryCache& factoryCache )
+: ControlRenderer( factoryCache ),
mBorderOnly( false )
{
}
{
}
-void NPatchRenderer::DoInitialize( RendererFactoryCache& factoryCache, const Property::Map& propertyMap )
+void NPatchRenderer::DoInitialize( Actor& actor, const Property::Map& propertyMap )
{
- Initialize(factoryCache);
-
Property::Value* imageURLValue = propertyMap.Find( IMAGE_URL_NAME );
if( imageURLValue )
{
- //Read the border-only property first since InitialiseFromImage relies on mBorderOnly to be properly set
+ //Read the borderOnly property first since InitialiseFromImage relies on mBorderOnly to be properly set
Property::Value* borderOnlyValue = propertyMap.Find( BORDER_ONLY );
if( borderOnlyValue )
{
if( imageURLValue->Get( mImageUrl ) )
{
NinePatchImage nPatch = NinePatchImage::New( mImageUrl );
- InitialiseFromImage( nPatch );
+ InitializeFromImage( nPatch );
}
else
{
- CreateErrorImage();
+ InitializeFromBrokenImage();
DALI_LOG_ERROR( "The property '%s' is not a string\n", IMAGE_URL_NAME );
}
}
{
naturalSize.x = mImage.GetWidth();
naturalSize.y = mImage.GetHeight();
- return;
}
else if( !mImageUrl.empty() )
{
ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
naturalSize.x = dimentions.GetWidth();
naturalSize.y = dimentions.GetHeight();
- return;
}
-
- naturalSize = Vector2::ZERO;
+ else
+ {
+ naturalSize = Vector2::ZERO;
+ }
}
void NPatchRenderer::SetClipRect( const Rect<int>& clipRect )
//ToDo: renderer applies the offset
}
+Geometry NPatchRenderer::CreateGeometry()
+{
+ Geometry geometry;
+ if( mStretchPixelsX.Size() == 1 && mStretchPixelsY.Size() == 1 )
+ {
+ if( !mBorderOnly )
+ {
+ geometry = mFactoryCache.GetGeometry( RendererFactoryCache::NINE_PATCH_GEOMETRY );
+ if( !geometry )
+ {
+ geometry = CreateGeometry( Uint16Pair( 3, 3 ) );
+ mFactoryCache.SaveGeometry( RendererFactoryCache::NINE_PATCH_GEOMETRY, geometry );
+ }
+ }
+ else
+ {
+ geometry = mFactoryCache.GetGeometry( RendererFactoryCache::NINE_PATCH_BORDER_GEOMETRY );
+ if( !geometry )
+ {
+ geometry = CreateGeometryBorder( Uint16Pair( 3, 3 ) );
+ mFactoryCache.SaveGeometry( RendererFactoryCache::NINE_PATCH_BORDER_GEOMETRY, geometry );
+ }
+ }
+ }
+ else if( mStretchPixelsX.Size() > 0 || mStretchPixelsY.Size() > 0)
+ {
+ Uint16Pair gridSize( 2 * mStretchPixelsX.Size() + 1, 2 * mStretchPixelsY.Size() + 1 );
+ geometry = !mBorderOnly ? CreateGeometry( gridSize ) : CreateGeometryBorder( gridSize );
+ }
+
+ return geometry;
+}
+
+Shader NPatchRenderer::CreateShader()
+{
+ Shader shader;
+ if( mStretchPixelsX.Size() == 1 && mStretchPixelsY.Size() == 1 )
+ {
+ shader = mFactoryCache.GetShader( RendererFactoryCache::NINE_PATCH_SHADER );
+ if( !shader )
+ {
+ shader = Shader::New( VERTEX_SHADER_3X3, FRAGMENT_SHADER );
+ mFactoryCache.SaveShader( RendererFactoryCache::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;
+
+ shader = Shader::New( vertexShader.str(), FRAGMENT_SHADER );
+ }
+ return shader;
+}
+
+void NPatchRenderer::InitializeRenderer()
+{
+ 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();
+ }
+
+ Material material = Material::New( shader );
+ mImpl->mRenderer = Renderer::New( geometry, material );
+}
+
+
void NPatchRenderer::DoSetOnStage( Actor& actor )
{
if( !mCroppedImage )
if( !mImageUrl.empty() )
{
NinePatchImage nPatch = NinePatchImage::New( mImageUrl );
- InitialiseFromImage( nPatch );
+ InitializeFromImage( nPatch );
}
else if( mImage )
{
- InitialiseFromImage( 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();
+
if( mCroppedImage )
{
ApplyImageToSampler();
void NPatchRenderer::DoSetOffStage( Actor& actor )
{
mCroppedImage.Reset();
+ actor.RemoveRenderer( mImpl->mRenderer );
+ mImpl->mRenderer.Reset();
}
void NPatchRenderer::DoCreatePropertyMap( Property::Map& map ) const
map.Insert( BORDER_ONLY, mBorderOnly );
}
-void NPatchRenderer::Initialize( RendererFactoryCache& factoryCache )
+void NPatchRenderer::ChangeRenderer( bool oldBorderOnly, size_t oldGridX, size_t oldGridY )
{
- mNinePatchGeometry = factoryCache.GetGeometry( RendererFactoryCache::NINE_PATCH_GEOMETRY );
- if( !(mNinePatchGeometry) )
- {
- mNinePatchGeometry = CreateGeometry( Uint16Pair( 3, 3 ) );
- factoryCache.SaveGeometry( RendererFactoryCache::NINE_PATCH_GEOMETRY, mNinePatchGeometry );
- }
+ //check to see if the border style has changed
- mNinePatchBorderGeometry = factoryCache.GetGeometry( RendererFactoryCache::NINE_PATCH_BORDER_GEOMETRY );
- if( !(mNinePatchBorderGeometry) )
- {
- mNinePatchBorderGeometry = CreateGeometryBorder( Uint16Pair( 3, 3 ) );
- factoryCache.SaveGeometry( RendererFactoryCache::NINE_PATCH_BORDER_GEOMETRY, mNinePatchBorderGeometry );
- }
+ bool borderOnlyChanged = oldBorderOnly != mBorderOnly;
+ bool gridChanged = oldGridX != mStretchPixelsX.Size() || oldGridY != mStretchPixelsY.Size();
- mNinePatchShader = factoryCache.GetShader( RendererFactoryCache::NINE_PATCH_SHADER );
- if( !mNinePatchShader )
+ if( borderOnlyChanged || gridChanged )
{
- mNinePatchShader = Shader::New( VERTEX_SHADER_3X3, FRAGMENT_SHADER );
- factoryCache.SaveShader( RendererFactoryCache::NINE_PATCH_SHADER, mNinePatchShader );
+ Geometry geometry = CreateGeometry();
+ if( geometry )
+ {
+ mImpl->mRenderer.SetGeometry( geometry );
+ }
+ else
+ {
+ InitializeFromBrokenImage();
+ }
}
- mImpl->mGeometry = mNinePatchGeometry;
- mImpl->mShader = mNinePatchShader;
+ if( gridChanged )
+ {
+ Shader shader = CreateShader();
+ Material material;
+ if( shader )
+ {
+ material = mImpl->mRenderer.GetMaterial();
+ if( material )
+ {
+ material.SetShader( shader );
+ }
+ }
- mImageUrl.clear();
+ if( !material )
+ {
+ InitializeFromBrokenImage();
+ }
+ }
}
void NPatchRenderer::SetImage( const std::string& imageUrl, bool borderOnly )
{
+ bool oldBorderOnly = mBorderOnly;
+ size_t oldGridX = mStretchPixelsX.Size();
+ size_t oldGridY = mStretchPixelsY.Size();
+
mBorderOnly = borderOnly;
mImage.Reset();
if( mImageUrl == imageUrl )
}
mImageUrl = imageUrl;
- NinePatchImage nPatch = NinePatchImage::New( mImageUrl );
- InitialiseFromImage( nPatch );
-
- if( mCroppedImage && mImpl->mIsOnStage )
+ if( mImpl->mRenderer )
{
- ApplyImageToSampler();
+ NinePatchImage nPatch = NinePatchImage::New( mImageUrl );
+ InitializeFromImage( nPatch );
+
+ ChangeRenderer( oldBorderOnly, oldGridX, oldGridY );
+
+ if( mCroppedImage )
+ {
+ ApplyImageToSampler();
+ }
}
}
void NPatchRenderer::SetImage( NinePatchImage image, bool borderOnly )
{
+ bool oldBorderOnly = mBorderOnly;
+ size_t oldGridX = mStretchPixelsX.Size();
+ size_t oldGridY = mStretchPixelsY.Size();
+
mBorderOnly = borderOnly;
mImageUrl.empty();
if( mImage == image )
}
mImage = image;
- InitialiseFromImage( mImage );
-
- if( mCroppedImage && mImpl->mIsOnStage )
+ if( mImpl->mRenderer )
{
- ApplyImageToSampler();
+ InitializeFromImage( mImage );
+ ChangeRenderer( oldBorderOnly, oldGridX, oldGridY );
+
+ if( mCroppedImage )
+ {
+ ApplyImageToSampler();
+ }
}
}
-void NPatchRenderer::InitialiseFromImage( NinePatchImage nPatch )
+void NPatchRenderer::InitializeFromImage( NinePatchImage nPatch )
{
mCroppedImage = nPatch.CreateCroppedBufferImage();
if( !mCroppedImage )
{
DALI_LOG_ERROR("'%s' specify a valid 9 patch image\n", mImageUrl.c_str() );
- CreateErrorImage();
+ InitializeFromBrokenImage();
return;
}
mStretchPixelsX = nPatch.GetStretchPixelsX();
mStretchPixelsY = nPatch.GetStretchPixelsY();
-
- if( mStretchPixelsX.Size() > 0 && mStretchPixelsY.Size() > 0 )
- {
- //only 9 patch supported for now
- mImpl->mGeometry = !mBorderOnly ? mNinePatchGeometry : mNinePatchBorderGeometry;
- mImpl->mShader = mNinePatchShader;
- }
}
-void NPatchRenderer::CreateErrorImage()
+void NPatchRenderer::InitializeFromBrokenImage()
{
- mImageSize = ImageDimensions( 1, 1 );
-
- BufferImage bufferImage = BufferImage::New( mImageSize.GetWidth(), mImageSize.GetHeight(), Pixel::RGBA8888 );
- mCroppedImage = bufferImage;
- PixelBuffer* pixbuf = bufferImage.GetBuffer();
-
- for( size_t i = 0; i < mImageSize.GetWidth() * mImageSize.GetHeight() * 4u; )
- {
- pixbuf[ i++ ] = 0;
- pixbuf[ i++ ] = 0;
- pixbuf[ i++ ] = 0;
- pixbuf[ i++ ] = 255;
- }
+ mCroppedImage = RendererFactory::GetBrokenRendererImage();
+ mImageSize = ImageDimensions( mCroppedImage.GetWidth(), mCroppedImage.GetHeight() );
mStretchPixelsX.Clear();
mStretchPixelsX.PushBack( Uint16Pair( 0, mImageSize.GetWidth() ) );
mStretchPixelsY.Clear();
mStretchPixelsY.PushBack( Uint16Pair( 0, mImageSize.GetHeight() ) );
-
- mImpl->mGeometry = mNinePatchGeometry;
- mImpl->mShader = mNinePatchShader;
}
void NPatchRenderer::ApplyImageToSampler()
Material material = mImpl->mRenderer.GetMaterial();
if( material )
{
- Sampler sampler;
- for( std::size_t i = 0; i < material.GetNumberOfSamplers(); ++i )
+ int index = material.GetTextureIndex( TEXTURE_UNIFORM_NAME );
+ if( index > -1 )
{
- sampler = material.GetSamplerAt( i );
- if( sampler.GetUniformName() == TEXTURE_UNIFORM_NAME )
- {
- sampler.SetImage( mCroppedImage );
- break;
- }
+ material.SetTextureImage( index, mCroppedImage );
}
- if( !sampler )
+ else
{
- sampler = Sampler::New( mCroppedImage, TEXTURE_UNIFORM_NAME );
- material.AddSampler( sampler );
+ material.AddTexture( mCroppedImage, TEXTURE_UNIFORM_NAME );
}
- if( mStretchPixelsX.Size() > 0 && mStretchPixelsY.Size() > 0 )
+ if( mStretchPixelsX.Size() == 1 && mStretchPixelsY.Size() == 1 )
{
- //only 9 patch supported for now
+ //special case for 9 patch
Uint16Pair stretchX = mStretchPixelsX[ 0 ];
Uint16Pair stretchY = mStretchPixelsY[ 0 ];
uint16_t stretchWidth = stretchX.GetY() - stretchX.GetX();
uint16_t stretchHeight = stretchY.GetY() - stretchY.GetX();
- sampler.RegisterProperty( "uFixed[0]", Vector2::ZERO );
- sampler.RegisterProperty( "uFixed[1]", Vector2( stretchX.GetX(), stretchY.GetX()) );
- sampler.RegisterProperty( "uFixed[2]", Vector2( mImageSize.GetWidth() - stretchWidth, mImageSize.GetHeight() - stretchHeight ) );
- sampler.RegisterProperty( "uStretchTotal", Vector2( stretchWidth, stretchHeight ) );
+ material.RegisterProperty( "uFixed[0]", Vector2::ZERO );
+ material.RegisterProperty( "uFixed[1]", Vector2( stretchX.GetX(), stretchY.GetX()) );
+ material.RegisterProperty( "uFixed[2]", Vector2( mImageSize.GetWidth() - stretchWidth, mImageSize.GetHeight() - stretchHeight ) );
+ material.RegisterProperty( "uStretchTotal", Vector2( stretchWidth, stretchHeight ) );
+ }
+ else
+ {
+ material.RegisterProperty( "uNinePatchFactorsX[0]", Vector2::ZERO );
+ material.RegisterProperty( "uNinePatchFactorsY[0]", Vector2::ZERO );
+
+ RegisterStretchProperties( material, "uNinePatchFactorsX", mStretchPixelsX, mImageSize.GetWidth() );
+ RegisterStretchProperties( material, "uNinePatchFactorsY", mStretchPixelsY, mImageSize.GetHeight() );
}
}
}