#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-toolkit/public-api/image-loader/sync-image-loader.h>
+#include <dali/integration-api/debug.h>
namespace Dali
{
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()
{
}
{
}
-std::size_t NPatchLoader::Load( const std::string& url, const Rect< int >& border )
+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;
data->textureSet = mCache[ cachedIndex ]->textureSet;
- NinePatchImage::StretchRanges stretchRangesX;
- stretchRangesX.PushBack( Uint16Pair( border.left, data->croppedWidth - border.right ) );
+ StretchRanges stretchRangesX;
+ stretchRangesX.PushBack( Uint16Pair( border.left, ( (data->croppedWidth >= static_cast< unsigned int >( border.right )) ? data->croppedWidth - border.right : 0 ) ) );
- NinePatchImage::StretchRanges stretchRangesY;
- stretchRangesY.PushBack( Uint16Pair( border.top, data->croppedHeight - border.bottom ) );
+ 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;
}
// got to the end so no match, decode N patch and append new item to cache
- if( border == Rect< int >( 0, 0, 0, 0 ) )
+ Devel::PixelBuffer pixelBuffer = Dali::LoadImageFromFile( url, ImageDimensions(), FittingMode::DEFAULT, SamplingMode::BOX_THEN_LINEAR, true );
+ if( pixelBuffer )
{
- NinePatchImage ninePatch = NinePatchImage::New( url );
- if( ninePatch )
+ Data* data = new Data();
+ data->hash = hash;
+ data->url = url;
+
+ if( border == Rect< int >( 0, 0, 0, 0 ) )
{
- 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();
- data->border = Rect< int >( 0, 0, 0, 0 );
- mCache.PushBack( data );
-
- return mCache.Count(); // valid ids start from 1u
- }
+ 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
- {
- // Load image from file
- PixelData pixels = SyncImageLoader::Load( url );
- if( pixels )
+ else
{
- Data* data = new Data();
- data->hash = hash;
- data->url = url;
- data->croppedWidth = pixels.GetWidth();
- data->croppedHeight = pixels.GetHeight();
+ 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;
+ }
- Texture texture = Texture::New( TextureType::TEXTURE_2D, pixels.GetPixelFormat(), pixels.GetWidth(), pixels.GetHeight() );
- texture.Upload( pixels, 0, 0, 0, 0, pixels.GetWidth(), pixels.GetHeight() );
+ data->croppedWidth = pixelBuffer.GetWidth();
+ data->croppedHeight = pixelBuffer.GetHeight();
- data->textureSet = TextureSet::New();
- data->textureSet.SetTexture( 0u, texture );
+ if( preMultiplyOnLoad && Pixel::HasAlpha( pixelBuffer.GetPixelFormat() ) )
+ {
+ pixelBuffer.MultiplyColorByAlpha();
+ }
+ else
+ {
+ preMultiplyOnLoad = false;
+ }
- NinePatchImage::StretchRanges stretchRangesX;
- stretchRangesX.PushBack( Uint16Pair( border.left, data->croppedWidth - border.right ) );
+ PixelData pixels = Devel::PixelBuffer::Convert( pixelBuffer ); // takes ownership of buffer
- NinePatchImage::StretchRanges stretchRangesY;
- stretchRangesY.PushBack( Uint16Pair( border.top, data->croppedHeight - border.bottom ) );
+ Texture texture = Texture::New( TextureType::TEXTURE_2D, pixels.GetPixelFormat(), pixels.GetWidth(), pixels.GetHeight() );
+ texture.Upload( pixels );
- data->stretchPixelsX = stretchRangesX;
- data->stretchPixelsY = stretchRangesY;
- data->border = border;
+ data->textureSet = TextureSet::New();
+ data->textureSet.SetTexture( 0u, texture );
- mCache.PushBack( data );
+ mCache.PushBack( data );
- return mCache.Count(); // valid ids start from 1u
- }
+ return mCache.Count(); // valid ids start from 1u
}
return 0u;