X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fimage-loader%2Fimage-atlas-impl.cpp;h=30f1ba784e68ec1ee38f4aacc5b2fb37e843bc20;hb=66521be1c480614a631f58d77be161e1c247e35f;hp=bdd2780db891c636c8a9d32521865625760445bf;hpb=193fa3dcbfa6b46bb9d3d1c079f2ca4eb25747a1;p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git

diff --git a/dali-toolkit/internal/image-loader/image-atlas-impl.cpp b/dali-toolkit/internal/image-loader/image-atlas-impl.cpp
index bdd2780..30f1ba7 100644
--- a/dali-toolkit/internal/image-loader/image-atlas-impl.cpp
+++ b/dali-toolkit/internal/image-loader/image-atlas-impl.cpp
@@ -21,7 +21,7 @@
 // EXTERNAL INCLUDES
 #include <string.h>
 #include <dali/public-api/signals/callback.h>
-#include <dali/public-api/images/resource-image.h>
+#include <dali/devel-api/adaptor-framework/image-loading.h>
 #include <dali/devel-api/adaptor-framework/bitmap-loader.h>
 #include <dali/integration-api/debug.h>
 
@@ -33,6 +33,50 @@ namespace Toolkit
 
 namespace Internal
 {
+typedef unsigned char PixelBuffer;
+
+Texture ImageAtlas::PackToAtlas( const std::vector<PixelData>& pixelData, Dali::Vector<Vector4>& textureRects  )
+{
+  // Record each block size
+  Dali::Vector<Uint16Pair> blockSizes;
+  SizeType count = pixelData.size();
+  for( SizeType index = 0; index < count; index++ )
+  {
+    blockSizes.PushBack( ImageDimensions( pixelData[index].GetWidth(), pixelData[index].GetHeight() ) );
+  }
+
+  // Ask atlasPacker for packing position of each block
+  Dali::Vector<Uint16Pair> packPositions;
+  ImageDimensions atlasSize = AtlasPacker::GroupPack( blockSizes, packPositions );
+
+  // Prepare for outout texture rect array
+  textureRects.Clear();
+  textureRects.Resize( count );
+
+  // create the texture for uploading the multiple pixel data
+  Texture atlasTexture = Texture::New( Dali::TextureType::TEXTURE_2D, Pixel::RGBA8888, atlasSize.GetWidth(), atlasSize.GetHeight() );
+
+  float atlasWidth = static_cast<float>( atlasTexture.GetWidth() );
+  float atlasHeight = static_cast<float>( atlasTexture.GetHeight() );
+  int packPositionX, packPositionY;
+  // Upload the pixel data one by one to its packing position, and record the texture rects
+  for( SizeType index = 0; index < count; index++ )
+  {
+    packPositionX = packPositions[index].GetX();
+    packPositionY = packPositions[index].GetY();
+    atlasTexture.Upload( pixelData[index], 0u, 0u,
+                         packPositionX, packPositionY,
+                         pixelData[index].GetWidth(), pixelData[index].GetHeight() );
+
+    // Apply the half pixel correction to avoid the color bleeding between neighbour blocks
+    textureRects[index].x = ( static_cast<float>( packPositionX ) +0.5f ) / atlasWidth; // left
+    textureRects[index].y = ( static_cast<float>( packPositionY ) +0.5f ) / atlasHeight; // right
+    textureRects[index].z = ( static_cast<float>( packPositionX + pixelData[index].GetWidth() )-0.5f ) / atlasWidth; // right
+    textureRects[index].w = ( static_cast<float>( packPositionY + pixelData[index].GetHeight() )-0.5f ) / atlasHeight;// bottom
+  }
+
+  return atlasTexture;
+}
 
 ImageAtlas::ImageAtlas( SizeType width, SizeType height, Pixel::Format pixelFormat )
 : mAtlas( Texture::New( Dali::TextureType::TEXTURE_2D, pixelFormat, width, height ) ),
@@ -83,7 +127,7 @@ float ImageAtlas::GetOccupancyRate() const
 
 void ImageAtlas::SetBrokenImage( const std::string& brokenImageUrl )
 {
-  mBrokenImageSize = ResourceImage::GetImageSize( brokenImageUrl );
+  mBrokenImageSize = Dali::GetClosestImageSize( brokenImageUrl );
   if(mBrokenImageSize.GetWidth() > 0 && mBrokenImageSize.GetHeight() > 0 ) // check the url is valid
   {
     mBrokenImageUrl = brokenImageUrl;
@@ -101,7 +145,7 @@ bool ImageAtlas::Upload( Vector4& textureRect,
   ImageDimensions zero;
   if( size == zero ) // image size not provided
   {
-    dimensions = ResourceImage::GetImageSize( url );
+    dimensions = Dali::GetClosestImageSize( url );
     if( dimensions == zero ) // Fail to read the image & broken image file exists
     {
       if( !mBrokenImageUrl.empty() )