+++ /dev/null
- /*
- * Copyright (c) 2016 Samsung Electronics Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-// CLASS HEADER
-#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/integration-api/debug.h>
-
-namespace Dali
-{
-
-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()
-{
-}
-
-NPatchLoader::~NPatchLoader()
-{
-}
-
-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 )
- {
- // hash match, check url as well in case of hash collision
- if( mCache[ index ]->url == url )
- {
- // 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
- Devel::PixelBuffer pixelBuffer = Dali::LoadImageFromFile( url, ImageDimensions(), FittingMode::DEFAULT, SamplingMode::BOX_THEN_LINEAR, true );
- if( pixelBuffer )
- {
- 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;
-}
-
-bool NPatchLoader::GetNPatchData( std::size_t id, const Data*& data )
-{
- if( ( id > UNINITIALIZED_ID )&&( id <= mCache.Count() ) )
- {
- data = mCache[ id - 1u ]; // id's start from 1u
- return true;
- }
- data = NULL;
- return false;
-}
-
-} // namespace Internal
-
-} // namespace Toolkit
-
-} // namespace Dali
projects / platform / core / uifw / dali-toolkit.git / blobdiff