2 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali/internal/event/images/bitmap-external.h>
22 #include <dali/internal/common/core-impl.h>
30 // use power of two bufferWidth and bufferHeight for better performance
31 BitmapExternal::BitmapExternal(Dali::Integration::PixelBuffer* pixBuf,
34 Pixel::Format pixelFormat,
35 unsigned int bufferWidth,
36 unsigned int bufferHeight)
37 : BitmapPackedPixel(ResourcePolicy::RETAIN, NULL/*pixBuf is externally owned*/),
41 mImageHeight = height;
42 mBufferWidth = (bufferWidth != 0) ? bufferWidth : width;
43 mBufferHeight = (bufferHeight != 0) ? bufferHeight : height;
44 mPixelFormat = pixelFormat;
46 mBytesPerPixel = Pixel::GetBytesPerPixel(pixelFormat);
47 mHasAlphaChannel = Pixel::HasAlpha(pixelFormat);
48 mAlphaChannelUsed = mHasAlphaChannel;
50 DALI_ASSERT_DEBUG(mBufferWidth >= mImageWidth && mBufferHeight >= mImageHeight);
53 BitmapExternal::~BitmapExternal()
55 DALI_LOG_TRACE_METHOD(Debug::Filter::gImage);
58 } //namespace Internal