X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fcontrols%2Frenderers%2Fnpatch%2Fnpatch-renderer.cpp;h=13bf8306fb7f84c98cf2695c3ba835fa44ae8582;hp=d49f3d32ec0bd04f6b2f6a2edf0a3d76c328561a;hb=f3da11c2818c6d17706fbb2417f21b602b3190f5;hpb=299e8f55adab64025e446c5dcd1e87f050e43f82

diff --git a/dali-toolkit/internal/controls/renderers/npatch/npatch-renderer.cpp b/dali-toolkit/internal/controls/renderers/npatch/npatch-renderer.cpp
index d49f3d3..13bf830 100644
--- a/dali-toolkit/internal/controls/renderers/npatch/npatch-renderer.cpp
+++ b/dali-toolkit/internal/controls/renderers/npatch/npatch-renderer.cpp
@@ -41,14 +41,40 @@ namespace Internal
 
 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
@@ -146,12 +172,43 @@ void AddVertex( Vector< Vector2 >& vertices, unsigned int x, unsigned int y )
   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 )
 {
 }
@@ -160,14 +217,12 @@ NPatchRenderer::~NPatchRenderer()
 {
 }
 
-void NPatchRenderer::Initialize( 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 )
     {
@@ -177,16 +232,35 @@ void NPatchRenderer::Initialize( RendererFactoryCache& factoryCache, const Prope
     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 );
     }
   }
 }
 
+void NPatchRenderer::GetNaturalSize( Vector2& naturalSize ) const
+{
+  if( mImage )
+  {
+    naturalSize.x = mImage.GetWidth();
+    naturalSize.y = mImage.GetHeight();
+  }
+  else if( !mImageUrl.empty() )
+  {
+    ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
+    naturalSize.x = dimentions.GetWidth();
+    naturalSize.y = dimentions.GetHeight();
+  }
+  else
+  {
+    naturalSize = Vector2::ZERO;
+  }
+}
+
 void NPatchRenderer::SetClipRect( const Rect<int>& clipRect )
 {
   ControlRenderer::SetClipRect( clipRect );
@@ -198,6 +272,79 @@ void NPatchRenderer::SetOffset( const Vector2& offset )
   //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 )
@@ -205,14 +352,17 @@ void NPatchRenderer::DoSetOnStage( Actor& actor )
     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();
@@ -224,7 +374,7 @@ void NPatchRenderer::DoSetOffStage( Actor& actor )
   mCroppedImage.Reset();
 }
 
-void NPatchRenderer::CreatePropertyMap( Property::Map& map ) const
+void NPatchRenderer::DoCreatePropertyMap( Property::Map& map ) const
 {
   map.Clear();
   map.Insert( RENDERER_TYPE, RENDERER_TYPE_VALUE );
@@ -239,37 +389,52 @@ void NPatchRenderer::CreatePropertyMap( 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 )
@@ -278,17 +443,26 @@ void NPatchRenderer::SetImage( const std::string& imageUrl, bool borderOnly )
   }
 
   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 )
@@ -297,21 +471,25 @@ void NPatchRenderer::SetImage( NinePatchImage image, bool borderOnly )
   }
 
   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;
   }
 
@@ -319,38 +497,17 @@ void NPatchRenderer::InitialiseFromImage( NinePatchImage nPatch )
 
   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()
@@ -358,35 +515,37 @@ 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() );
     }
   }
 }