utility.h
4.47 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
#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/images/atlas.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();
}
/**
* @deprecated, dont use this anymore
*/
Dali::Image LoadImage( const char* imagePath,
Dali::ImageDimensions size = Dali::ImageDimensions(),
Dali::FittingMode::Type fittingMode = Dali::FittingMode::DEFAULT,
Dali::SamplingMode::Type samplingMode = Dali::SamplingMode::DEFAULT )
{
return Dali::ResourceImage::New( imagePath, size, fittingMode, samplingMode );
}
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;
}
/**
* @brief Load an bitmap resource.
* @deprecated, dont use this anymore
*
* If it is required to scaled-down to no more than the stage dimensions,
* uses image scaling mode FittingMode::SCALE_TO_FILL to resize the image at
* load time to cover the entire stage with pixels with no borders,
* and filter mode BOX_THEN_LINEAR to sample the image with
* maximum quality.
*/
Dali::Image LoadStageFillingImage( const char* imagePath )
{
Dali::Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
return LoadImage( imagePath, Dali::ImageDimensions( stageSize.x, stageSize.y ), Dali::FittingMode::SCALE_TO_FILL, Dali::SamplingMode::BOX_THEN_LINEAR );
}
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