dali/public-api/images/buffer-image.cpp

   1 /*
   2  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
   3  *
   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
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali/public-api/images/buffer-image.h>
  20
  21 // INTERNAL INCLUDES
  22 #include <dali/integration-api/debug.h>
  23 #include <dali/public-api/common/dali-common.h>
  24 #include <dali/internal/event/images/buffer-image-impl.h>
  25
  26 namespace Dali
  27 {
  28
  29 BufferImage::BufferImage()
  30 {
  31 }
  32
  33 BufferImage::BufferImage(Internal::BufferImage* internal)
  34   : Image(internal)
  35 {
  36 }
  37
  38 BufferImage BufferImage::DownCast( BaseHandle handle )
  39 {
  40   return BufferImage( dynamic_cast<Dali::Internal::BufferImage*>(handle.GetObjectPtr()) );
  41 }
  42
  43 BufferImage::~BufferImage()
  44 {
  45 }
  46
  47 BufferImage::BufferImage(const BufferImage& handle)
  48 : Image(handle)
  49 {
  50 }
  51
  52 BufferImage& BufferImage::operator=(const BufferImage& rhs)
  53 {
  54   BaseHandle::operator=(rhs);
  55   return *this;
  56 }
  57
  58 const BufferImage BufferImage::WHITE()
  59 {
  60   Internal::BufferImage* internal = new Internal::BufferImage(1,1,Pixel::RGBA8888, Dali::Image::NEVER);
  61   PixelBuffer* pBuf = internal->GetBuffer();
  62   pBuf[0] = pBuf[1] = pBuf[2] = pBuf[3] = 0xFF;
  63   return BufferImage(internal);
  64 }
  65
  66 BufferImage BufferImage::New(unsigned int width, unsigned int height, Pixel::Format pixelformat)
  67 {
  68   DALI_ASSERT_ALWAYS( 0u != width  && "Invalid BufferImage width requested" );
  69   DALI_ASSERT_ALWAYS( 0u != height && "Invalid BufferImage height requested" );
  70
  71   Internal::BufferImagePtr internal = Internal::BufferImage::New(width, height, pixelformat);
  72   return BufferImage(internal.Get());
  73 }
  74
  75 BufferImage BufferImage::New(unsigned int width, unsigned int height, Pixel::Format pixelformat, ReleasePolicy releasePol)
  76 {
  77   DALI_ASSERT_ALWAYS( 0u != width  && "Invalid BufferImage width requested" );
  78   DALI_ASSERT_ALWAYS( 0u != height && "Invalid BufferImage height requested" );
  79
  80   Internal::BufferImagePtr internal = Internal::BufferImage::New(width, height, pixelformat, releasePol);
  81   return BufferImage(internal.Get());
  82 }
  83
  84 BufferImage BufferImage::New(PixelBuffer* pixBuf, unsigned int width, unsigned int height, Pixel::Format pixelformat, unsigned int stride)
  85 {
  86   DALI_ASSERT_ALWAYS( 0u != width  && "Invalid BufferImage width requested" );
  87   DALI_ASSERT_ALWAYS( 0u != height && "Invalid BufferImage height requested" );
  88
  89   Internal::BufferImagePtr internal = Internal::BufferImage::New(pixBuf, width, height, pixelformat, stride);
  90   return BufferImage(internal.Get());
  91 }
  92
  93 BufferImage BufferImage::New(PixelBuffer* pixBuf, unsigned int width, unsigned int height, Pixel::Format pixelformat, unsigned int stride, ReleasePolicy releasePol)
  94 {
  95   DALI_ASSERT_ALWAYS( 0u != width  && "Invalid BufferImage width requested" );
  96   DALI_ASSERT_ALWAYS( 0u != height && "Invalid BufferImage height requested" );
  97   Internal::BufferImagePtr internal = Internal::BufferImage::New(pixBuf, width, height, pixelformat, stride, releasePol);
  98   return BufferImage(internal.Get());
  99 }
 100
 101 PixelBuffer* BufferImage::GetBuffer()
 102 {
 103   return GetImplementation(*this).GetBuffer();
 104 }
 105
 106 unsigned int BufferImage::GetBufferSize() const
 107 {
 108   return GetImplementation(*this).GetBufferSize();
 109 }
 110
 111 unsigned int BufferImage::GetBufferStride() const
 112 {
 113   return GetImplementation(*this).GetBufferStride();
 114 }
 115
 116 Pixel::Format BufferImage::GetPixelFormat() const
 117 {
 118   return GetImplementation(*this).GetPixelFormat();
 119 }
 120
 121 void BufferImage::Update ()
 122 {
 123   RectArea area;
 124   GetImplementation(*this).Update(area);
 125 }
 126
 127 void BufferImage::Update (RectArea updateArea)
 128 {
 129   GetImplementation(*this).Update(updateArea);
 130 }
 131
 132 bool BufferImage::IsDataExternal() const
 133 {
 134   return GetImplementation(*this).IsDataExternal();
 135 }
 136
 137 } // namespace Dali