2 * Copyright (c) 2018 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-compressed.h>
25 #include <dali/internal/common/core-impl.h>
26 #include <dali/integration-api/debug.h>
33 using namespace Dali::Pixel;
35 BitmapCompressed::BitmapCompressed( const ResourcePolicy::Discardable discardable )
36 : Bitmap( discardable ),
41 BitmapCompressed::~BitmapCompressed()
43 DALI_LOG_TRACE_METHOD(Debug::Filter::gImage);
46 void BitmapCompressed::Initialize( Pixel::Format pixelFormat,
48 const uint32_t height,
49 const uint32_t bufferSize )
51 Dali::Integration::Bitmap::Initialize( pixelFormat, width, height );
52 mBufferSize = bufferSize;
53 mAlphaChannelUsed = false; // Default to not using Alpha as we cannot scan the pixels to look for transparent pixels. A follow-up work-item and patch will add an "assume alpha present" flag to ImageAttributes.
56 Dali::Integration::PixelBuffer* BitmapCompressed::ReserveBufferOfSize( Pixel::Format pixelFormat,
58 const uint32_t height,
59 const uint32_t bufferSize )
61 // Sanity check that a not-outrageous amount of data is being passed in (indicating a client error):
62 DALI_ASSERT_DEBUG(bufferSize < (1U << 27U) && "That is far too much compressed data."); // 128MB of compressed data == unreasonable.
63 // delete existing buffer
66 Initialize(pixelFormat, width, height, bufferSize);
68 mData = reinterpret_cast< Dali::Integration::PixelBuffer* >( malloc( bufferSize ) );
73 } //namespace Integration