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   if ( pBuf )
  63   {
  64     pBuf[0] = pBuf[1] = pBuf[2] = pBuf[3] = 0xFF;
  65   }
  66   return BufferImage(internal);
  67 }
  68
  69 BufferImage BufferImage::New(unsigned int width, unsigned int height, Pixel::Format pixelformat)
  70 {
  71   DALI_ASSERT_ALWAYS( 0u != width  && "Invalid BufferImage width requested" );
  72   DALI_ASSERT_ALWAYS( 0u != height && "Invalid BufferImage height requested" );
  73
  74   Internal::BufferImagePtr internal = Internal::BufferImage::New(width, height, pixelformat);
  75   return BufferImage(internal.Get());
  76 }
  77
  78 BufferImage BufferImage::New(unsigned int width, unsigned int height, Pixel::Format pixelformat, ReleasePolicy releasePol)
  79 {
  80   DALI_ASSERT_ALWAYS( 0u != width  && "Invalid BufferImage width requested" );
  81   DALI_ASSERT_ALWAYS( 0u != height && "Invalid BufferImage height requested" );
  82
  83   Internal::BufferImagePtr internal = Internal::BufferImage::New(width, height, pixelformat, releasePol);
  84   return BufferImage(internal.Get());
  85 }
  86
  87 BufferImage BufferImage::New(PixelBuffer* pixBuf, unsigned int width, unsigned int height, Pixel::Format pixelformat, unsigned int stride)
  88 {
  89   DALI_ASSERT_ALWAYS( 0u != width  && "Invalid BufferImage width requested" );
  90   DALI_ASSERT_ALWAYS( 0u != height && "Invalid BufferImage height requested" );
  91
  92   Internal::BufferImagePtr internal = Internal::BufferImage::New(pixBuf, width, height, pixelformat, stride);
  93   return BufferImage(internal.Get());
  94 }
  95
  96 BufferImage BufferImage::New(PixelBuffer* pixBuf, unsigned int width, unsigned int height, Pixel::Format pixelformat, unsigned int stride, ReleasePolicy releasePol)
  97 {
  98   DALI_ASSERT_ALWAYS( 0u != width  && "Invalid BufferImage width requested" );
  99   DALI_ASSERT_ALWAYS( 0u != height && "Invalid BufferImage height requested" );
 100   Internal::BufferImagePtr internal = Internal::BufferImage::New(pixBuf, width, height, pixelformat, stride, releasePol);
 101   return BufferImage(internal.Get());
 102 }
 103
 104 PixelBuffer* BufferImage::GetBuffer()
 105 {
 106   return GetImplementation(*this).GetBuffer();
 107 }
 108
 109 unsigned int BufferImage::GetBufferSize() const
 110 {
 111   return GetImplementation(*this).GetBufferSize();
 112 }
 113
 114 unsigned int BufferImage::GetBufferStride() const
 115 {
 116   return GetImplementation(*this).GetBufferStride();
 117 }
 118
 119 Pixel::Format BufferImage::GetPixelFormat() const
 120 {
 121   return GetImplementation(*this).GetPixelFormat();
 122 }
 123
 124 void BufferImage::Update ()
 125 {
 126   RectArea area;
 127   GetImplementation(*this).Update(area);
 128 }
 129
 130 void BufferImage::Update (RectArea updateArea)
 131 {
 132   GetImplementation(*this).Update(updateArea);
 133 }
 134
 135 bool BufferImage::IsDataExternal() const
 136 {
 137   return GetImplementation(*this).IsDataExternal();
 138 }
 139
 140 } // namespace Dali