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#ifndef DALI_DEMO_UTILITY_H
#define DALI_DEMO_UTILITY_H
/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <dali/dali.h>
#include <dali/devel-api/adaptor-framework/bitmap-loader.h>
#include <dali/public-api/rendering/geometry.h>
#include <dali/public-api/rendering/texture.h>
namespace DemoHelper
{
Dali::PixelData LoadPixelData( const char* imagePath,
Dali::ImageDimensions size,
Dali::FittingMode::Type fittingMode,
Dali::SamplingMode::Type samplingMode )
{
Dali::BitmapLoader loader = Dali::BitmapLoader::New( imagePath, size, fittingMode, samplingMode );
loader.Load();
return loader.GetPixelData();
}
Dali::Texture LoadTexture( const char* imagePath,
Dali::ImageDimensions size = Dali::ImageDimensions(),
Dali::FittingMode::Type fittingMode = Dali::FittingMode::DEFAULT,
Dali::SamplingMode::Type samplingMode = Dali::SamplingMode::DEFAULT )
{
Dali::PixelData pixelData = LoadPixelData(imagePath, size, fittingMode, samplingMode);
Dali::Texture texture = Dali::Texture::New( Dali::TextureType::TEXTURE_2D,
pixelData.GetPixelFormat(),
pixelData.GetWidth(),
pixelData.GetHeight() );
texture.Upload( pixelData );
return texture;
}
Dali::Texture LoadStageFillingTexture( const char* imagePath )
{
Dali::Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
return LoadTexture( imagePath, Dali::ImageDimensions( stageSize.x, stageSize.y ), Dali::FittingMode::SCALE_TO_FILL, Dali::SamplingMode::BOX_THEN_LINEAR );
}
Dali::Geometry CreateTexturedQuad()
{
struct Vertex
{
Dali::Vector2 position;
Dali::Vector2 texCoord;
};
static const Vertex data[] = {{ Dali::Vector2( -0.5f, -0.5f ), Dali::Vector2( 0.0f, 0.0f ) },
{ Dali::Vector2( 0.5f, -0.5f ), Dali::Vector2( 1.0f, 0.0f ) },
{ Dali::Vector2( -0.5f, 0.5f ), Dali::Vector2( 0.0f, 1.0f ) },
{ Dali::Vector2( 0.5f, 0.5f ), Dali::Vector2( 1.0f, 1.0f ) }};
Dali::PropertyBuffer vertexBuffer;
Dali::Property::Map vertexFormat;
vertexFormat["aPosition"] = Dali::Property::VECTOR2;
vertexFormat["aTexCoord"] = Dali::Property::VECTOR2;
//Create a vertex buffer for vertex positions and texture coordinates
vertexBuffer = Dali::PropertyBuffer::New( vertexFormat );
vertexBuffer.SetData( data, 4u );
//Create the geometry
Dali::Geometry geometry = Dali::Geometry::New();
geometry.AddVertexBuffer( vertexBuffer );
geometry.SetType(Dali::Geometry::TRIANGLE_STRIP );
return geometry;
}
} // DemoHelper
#endif // DALI_DEMO_UTILITY_H
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