X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fvisuals%2Fnpatch-loader.cpp;h=e89ebcb22c2714c4fe77367c3aaf1094f828c81c;hp=6e3c8ec04de64b76930233570bb709bd07ee212f;hb=b8061231d4161501d25747516d09ced92ee71bee;hpb=a2e3740073b4cb92846a68831ad5bb35b12ac69a

diff --git a/dali-toolkit/internal/visuals/npatch-loader.cpp b/dali-toolkit/internal/visuals/npatch-loader.cpp
index 6e3c8ec..e89ebcb 100644
--- a/dali-toolkit/internal/visuals/npatch-loader.cpp
+++ b/dali-toolkit/internal/visuals/npatch-loader.cpp
@@ -19,8 +19,10 @@
 #include <dali-toolkit/internal/visuals/npatch-loader.h>
 
 // EXTERNAL HEADER
+#include <dali/devel-api/adaptor-framework/image-loading.h>
+#include <dali/devel-api/adaptor-framework/pixel-buffer.h>
 #include <dali/devel-api/common/hash.h>
-#include <dali/devel-api/images/texture-set-image.h>
+#include <dali/integration-api/debug.h>
 
 namespace Dali
 {
@@ -31,6 +33,223 @@ namespace Toolkit
 namespace Internal
 {
 
+namespace NPatchBuffer
+{
+
+void GetRedOffsetAndMask( Dali::Pixel::Format pixelFormat, int& byteOffset, int& bitMask )
+{
+  switch( pixelFormat )
+  {
+    case Dali::Pixel::A8:
+    case Dali::Pixel::L8:
+    case Dali::Pixel::LA88:
+    {
+      byteOffset = 0;
+      bitMask = 0;
+      break;
+    }
+    case Dali::Pixel::RGB888:
+    case Dali::Pixel::RGB8888:
+    case Dali::Pixel::RGBA8888:
+    {
+      byteOffset = 0;
+      bitMask = 0xFF;
+      break;
+    }
+    case Dali::Pixel::BGR8888:
+    case Dali::Pixel::BGRA8888:
+    {
+      byteOffset = 2;
+      bitMask = 0xff;
+      break;
+    }
+    case Dali::Pixel::RGB565:
+    {
+      byteOffset = 0;
+      bitMask = 0xf8;
+      break;
+    }
+    case Dali::Pixel::BGR565:
+    {
+      byteOffset = 1;
+      bitMask = 0x1f;
+      break;
+    }
+    case Dali::Pixel::RGBA4444:
+    {
+      byteOffset = 0;
+      bitMask = 0xf0;
+      break;
+    }
+    case Dali::Pixel::BGRA4444:
+    {
+      byteOffset = 1;
+      bitMask = 0xf0;
+      break;
+    }
+    case Dali::Pixel::RGBA5551:
+    {
+      byteOffset = 0;
+      bitMask = 0xf8;
+      break;
+    }
+    case Dali::Pixel::BGRA5551:
+    {
+      byteOffset = 1;
+      bitMask = 0x1e;
+      break;
+    }
+    case Dali::Pixel::INVALID:
+    case Dali::Pixel::COMPRESSED_R11_EAC:
+    case Dali::Pixel::COMPRESSED_SIGNED_R11_EAC:
+    case Dali::Pixel::COMPRESSED_RG11_EAC:
+    case Dali::Pixel::COMPRESSED_SIGNED_RG11_EAC:
+    case Dali::Pixel::COMPRESSED_RGB8_ETC2:
+    case Dali::Pixel::COMPRESSED_SRGB8_ETC2:
+    case Dali::Pixel::COMPRESSED_RGB8_ETC1:
+    case Dali::Pixel::COMPRESSED_RGB_PVRTC_4BPPV1:
+    case Dali::Pixel::COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+    case Dali::Pixel::COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+    case Dali::Pixel::COMPRESSED_RGBA8_ETC2_EAC:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_4x4_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_5x4_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_5x5_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_6x5_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_6x6_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_8x5_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_8x6_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_8x8_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_10x5_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_10x6_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_10x8_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_10x10_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_12x10_KHR:
+    case Dali::Pixel::COMPRESSED_RGBA_ASTC_12x12_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+    case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+    {
+      DALI_LOG_ERROR("Pixel formats for compressed images are not compatible with simple masking-out of per-pixel alpha.\n");
+      byteOffset=0;
+      bitMask=0;
+      break;
+    }
+    case Dali::Pixel::RGB16F:
+    case Dali::Pixel::RGB32F:
+    {
+      DALI_LOG_ERROR("Pixel format not compatible.\n");
+      byteOffset=0;
+      bitMask=0;
+      break;
+    }
+  }
+}
+
+Uint16Pair ParseRange( unsigned int& index, unsigned int width, unsigned char*& pixel, unsigned int pixelStride, int testByte, int testBits, int testValue )
+{
+  unsigned int start = 0xFFFF;
+  for( ; index < width; ++index, pixel += pixelStride )
+  {
+    if( ( pixel[ testByte ] & testBits ) == testValue )
+    {
+        start = index;
+        ++index;
+        pixel += pixelStride;
+        break;
+    }
+  }
+
+  unsigned int end = width;
+  for( ; index < width; ++index, pixel += pixelStride )
+  {
+    if( ( pixel[ testByte ] & testBits ) != testValue )
+    {
+        end = index;
+        ++index;
+        pixel += pixelStride;
+        break;
+    }
+  }
+
+  return Uint16Pair( start, end );
+}
+
+void ParseBorders( Devel::PixelBuffer& pixelBuffer, NPatchLoader::Data* data  )
+{
+  data->stretchPixelsX.Clear();
+  data->stretchPixelsY.Clear();
+
+  Pixel::Format pixelFormat = pixelBuffer.GetPixelFormat();
+
+  int alphaByte = 0;
+  int alphaBits = 0;
+  Pixel::GetAlphaOffsetAndMask( pixelFormat, alphaByte, alphaBits );
+
+  int testByte = alphaByte;
+  int testBits = alphaBits;
+  int testValue = alphaBits; // Opaque == stretch
+  if( !alphaBits )
+  {
+    GetRedOffsetAndMask( pixelFormat, testByte, testBits );
+    testValue = 0;           // Black == stretch
+  }
+
+  unsigned int bytesPerPixel = Pixel::GetBytesPerPixel( pixelFormat );
+  unsigned int width = pixelBuffer.GetWidth();
+  unsigned int height = pixelBuffer.GetHeight();
+  unsigned char* srcPixels = pixelBuffer.GetBuffer();
+  unsigned int srcStride = width * bytesPerPixel;
+
+  // TOP
+  unsigned char* top = srcPixels + bytesPerPixel;
+  unsigned int index = 0;
+
+  for( ; index < width - 2; )
+  {
+    Uint16Pair range = ParseRange( index, width - 2, top, bytesPerPixel, testByte, testBits, testValue );
+    if( range.GetX() != 0xFFFF )
+    {
+      data->stretchPixelsX.PushBack( range );
+    }
+  }
+
+  // LEFT
+  unsigned char* left  = srcPixels + srcStride;
+  index = 0;
+  for( ; index < height - 2; )
+  {
+    Uint16Pair range = ParseRange( index, height - 2, left, srcStride, testByte, testBits, testValue );
+    if( range.GetX() != 0xFFFF )
+    {
+      data->stretchPixelsY.PushBack( range );
+    }
+  }
+
+  // If there are no stretch pixels then make the entire image stretchable
+  if( data->stretchPixelsX.Size() == 0 )
+  {
+    data->stretchPixelsX.PushBack( Uint16Pair( 0, width - 2 ) );
+  }
+  if( data->stretchPixelsY.Size() == 0 )
+  {
+    data->stretchPixelsY.PushBack( Uint16Pair( 0, height - 2 ) );
+  }
+}
+
+} // namespace NPatchBuffer
+
 NPatchLoader::NPatchLoader()
 {
 }
@@ -39,11 +258,13 @@ NPatchLoader::~NPatchLoader()
 {
 }
 
-std::size_t NPatchLoader::Load( const std::string& url )
+std::size_t NPatchLoader::Load( const std::string& url, const Rect< int >& border, bool& preMultiplyOnLoad )
 {
   std::size_t hash = CalculateHash( url );
   OwnerContainer< Data* >::SizeType index = UNINITIALIZED_ID;
   const OwnerContainer< Data* >::SizeType count = mCache.Count();
+  int cachedIndex = -1;
+
   for( ; index < count; ++index )
   {
     if( mCache[ index ]->hash == hash )
@@ -51,31 +272,94 @@ std::size_t NPatchLoader::Load( const std::string& url )
       // hash match, check url as well in case of hash collision
       if( mCache[ index ]->url == url )
       {
-        return index+1u; // valid indices are from 1 onwards
+        // Use cached data
+        if( mCache[ index ]->border == border )
+        {
+          return index+1u; // valid indices are from 1 onwards
+        }
+        else
+        {
+          cachedIndex = index;
+        }
       }
     }
   }
+
+  if( cachedIndex != -1 )
+  {
+    // Same url but border is different - use the existing texture
+    Data* data = new Data();
+    data->hash = hash;
+    data->url = url;
+    data->croppedWidth = mCache[ cachedIndex ]->croppedWidth;
+    data->croppedHeight = mCache[ cachedIndex ]->croppedHeight;
+
+    data->textureSet = mCache[ cachedIndex ]->textureSet;
+
+    StretchRanges stretchRangesX;
+    stretchRangesX.PushBack( Uint16Pair( border.left, ( (data->croppedWidth >= static_cast< unsigned int >( border.right )) ? data->croppedWidth - border.right : 0 ) ) );
+
+    StretchRanges stretchRangesY;
+    stretchRangesY.PushBack( Uint16Pair( border.top, ( (data->croppedHeight >= static_cast< unsigned int >( border.bottom )) ? data->croppedHeight - border.bottom : 0 ) ) );
+
+    data->stretchPixelsX = stretchRangesX;
+    data->stretchPixelsY = stretchRangesY;
+    data->border = border;
+
+    mCache.PushBack( data );
+
+    return mCache.Count(); // valid ids start from 1u
+  }
+
   // got to the end so no match, decode N patch and append new item to cache
-  NinePatchImage ninePatch = NinePatchImage::New( url );
-  if( ninePatch )
+  Devel::PixelBuffer pixelBuffer = Dali::LoadImageFromFile( url, ImageDimensions(), FittingMode::DEFAULT, SamplingMode::BOX_THEN_LINEAR, true );
+  if( pixelBuffer )
   {
-    BufferImage croppedImage = ninePatch.CreateCroppedBufferImage();
-    if( croppedImage )
-    {
-      Data* data = new Data();
-      data->hash = hash;
-      data->url = url;
-      data->textureSet = TextureSet::New();
-      TextureSetImage( data->textureSet, 0u, croppedImage );
-      data->croppedWidth = croppedImage.GetWidth();
-      data->croppedHeight = croppedImage.GetHeight();
-      data->stretchPixelsX = ninePatch.GetStretchPixelsX();
-      data->stretchPixelsY = ninePatch.GetStretchPixelsY();
-      mCache.PushBack( data );
-
-      return mCache.Count(); // valid ids start from 1u
+    Data* data = new Data();
+    data->hash = hash;
+    data->url = url;
+
+    if( border == Rect< int >( 0, 0, 0, 0 ) )
+    {
+      NPatchBuffer::ParseBorders( pixelBuffer, data );
+
+      data->border = Rect< int >( 0, 0, 0, 0 );
+
+      // Crop the image
+      pixelBuffer.Crop( 1, 1, pixelBuffer.GetWidth() - 2, pixelBuffer.GetHeight() - 2 );
+    }
+    else
+    {
+      data->stretchPixelsX.PushBack( Uint16Pair( border.left, ( (pixelBuffer.GetWidth() >= static_cast< unsigned int >( border.right )) ? pixelBuffer.GetWidth() - border.right : 0 ) ) );
+      data->stretchPixelsY.PushBack( Uint16Pair( border.top, ( (pixelBuffer.GetHeight() >= static_cast< unsigned int >( border.bottom )) ? pixelBuffer.GetHeight() - border.bottom : 0 ) ) );
+      data->border = border;
     }
+
+    data->croppedWidth = pixelBuffer.GetWidth();
+    data->croppedHeight = pixelBuffer.GetHeight();
+
+    if( preMultiplyOnLoad && Pixel::HasAlpha( pixelBuffer.GetPixelFormat() ) )
+    {
+      pixelBuffer.MultiplyColorByAlpha();
+    }
+    else
+    {
+      preMultiplyOnLoad = false;
+    }
+
+    PixelData pixels = Devel::PixelBuffer::Convert( pixelBuffer ); // takes ownership of buffer
+
+    Texture texture = Texture::New( TextureType::TEXTURE_2D, pixels.GetPixelFormat(), pixels.GetWidth(), pixels.GetHeight() );
+    texture.Upload( pixels );
+
+    data->textureSet = TextureSet::New();
+    data->textureSet.SetTexture( 0u, texture );
+
+    mCache.PushBack( data );
+
+    return mCache.Count(); // valid ids start from 1u
   }
+
   return 0u;
 }