shared/utility.h

   1 #ifndef __DALI_DEMO_UTILITY_H__
   2 #define __DALI_DEMO_UTILITY_H__
   3
   4 /*
   5  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  * http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  */
  20
  21 #include <dali/dali.h>
  22 #include <dali/devel-api/images/atlas.h>
  23 #include <dali/devel-api/rendering/texture.h>
  24 #include <dali/devel-api/adaptor-framework/bitmap-loader.h>
  25
  26 namespace DemoHelper
  27 {
  28
  29 Dali::PixelData LoadPixelData( const char* imagePath,
  30                                Dali::ImageDimensions size,
  31                                Dali::FittingMode::Type fittingMode,
  32                                Dali::SamplingMode::Type samplingMode )
  33 {
  34   Dali::BitmapLoader loader = Dali::BitmapLoader::New( imagePath, size, fittingMode, samplingMode );
  35   loader.Load();
  36   return loader.GetPixelData();
  37 }
  38
  39
  40 Dali::Atlas LoadImage( const char* imagePath,
  41                        Dali::ImageDimensions size = Dali::ImageDimensions(),
  42                        Dali::FittingMode::Type fittingMode = Dali::FittingMode::DEFAULT,
  43                        Dali::SamplingMode::Type samplingMode = Dali::SamplingMode::DEFAULT )
  44 {
  45   Dali::PixelData pixelData = LoadPixelData(imagePath, size, fittingMode, samplingMode);
  46   Dali::Atlas image  =Dali:: Atlas::New( pixelData.GetWidth(), pixelData.GetHeight(), pixelData.GetPixelFormat() );
  47   image.Upload( pixelData, 0u, 0u );
  48
  49   return image;
  50 }
  51
  52 Dali::Texture LoadTexture( const char* imagePath,
  53                            Dali::ImageDimensions size = Dali::ImageDimensions(),
  54                            Dali::FittingMode::Type fittingMode = Dali::FittingMode::DEFAULT,
  55                            Dali::SamplingMode::Type samplingMode = Dali::SamplingMode::DEFAULT )
  56 {
  57   Dali::PixelData pixelData = LoadPixelData(imagePath, size, fittingMode, samplingMode);
  58   Dali::Texture texture  = Dali::Texture::New( Dali::TextureType::TEXTURE_2D,
  59                                                pixelData.GetPixelFormat(),
  60                                                pixelData.GetWidth(),
  61                                                pixelData.GetHeight() );
  62   texture.Upload( pixelData );
  63
  64   return texture;
  65 }
  66
  67 /**
  68  * @brief Load an bitmap resource.
  69  *
  70  * If it is required to scaled-down to no more than the stage dimensions,
  71  * uses image scaling mode FittingMode::SCALE_TO_FILL to resize the image at
  72  * load time to cover the entire stage with pixels with no borders,
  73  * and filter mode BOX_THEN_LINEAR to sample the image with
  74  * maximum quality.
  75  */
  76
  77 Dali::Atlas LoadStageFillingImage( const char* imagePath )
  78 {
  79   Dali::Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
  80   return LoadImage( imagePath, Dali::ImageDimensions( stageSize.x, stageSize.y ), Dali::FittingMode::SCALE_TO_FILL, Dali::SamplingMode::BOX_THEN_LINEAR );
  81 }
  82
  83 Dali::Texture LoadStageFillingTexture( const char* imagePath )
  84 {
  85   Dali::Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
  86   return LoadTexture( imagePath, Dali::ImageDimensions( stageSize.x, stageSize.y ), Dali::FittingMode::SCALE_TO_FILL, Dali::SamplingMode::BOX_THEN_LINEAR );
  87 }
  88
  89 } // DemoHelper
  90
  91 #endif // __DALI_DEMO_HELPER_VIEW_H__