pixel_converter.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2016 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** arising from the use of this software.
8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Magnus Norddahl
27 ** Mark Page
28 */
29 
30 #pragma once
31 
32 #include <memory>
33 #include "../../Core/Math/vec4.h"
34 #include "texture_format.h"
35 
36 namespace clan
37 {
40 
41  class PixelConverter_Impl;
42 
45  {
46  public:
50 
52  bool get_premultiply_alpha() const;
53 
55  bool flip_vertical() const;
56 
58  float get_gamma() const;
59 
61  Vec4i get_swizzle() const;
62 
64  bool get_input_is_ycrcb() const;
65 
67  bool get_output_is_ycrcb() const;
68 
72  void set_premultiply_alpha(bool enable);
73 
77  void set_flip_vertical(bool enable);
78 
82  void set_gamma(float gamma);
83 
87  void set_swizzle(int red_source, int green_source, int blue_source, int alpha_source);
88  void set_swizzle(const Vec4i &swizzle);
89 
91  void set_input_is_ycrcb(bool enable);
92 
94  void set_output_is_ycrcb(bool enable);
95 
97  void convert(void *output, int output_pitch, TextureFormat output_format, const void *input, int input_pitch, TextureFormat input_format, int width, int height);
98 
99  private:
100  std::shared_ptr<PixelConverter_Impl> impl;
101  };
102 
104 }
void set_flip_vertical(bool enable)
Set the flip vertical setting.
Definition: clanapp.h:35
PixelConverter()
Constructs a pixel format converter.
void set_premultiply_alpha(bool enable)
Set the premultiply alpha setting.
4D vector
Definition: size.h:47
void set_output_is_ycrcb(bool enable)
Converts to JPEG JFIF YCrCb.
void set_swizzle(int red_source, int green_source, int blue_source, int alpha_source)
Set the input channel used for each output channel.
void set_gamma(float gamma)
Set the gamma applied when converting.
Vec4i get_swizzle() const
Returns the input channel used for each output channel.
bool get_output_is_ycrcb() const
Returns the JPEG JFIF YCrCb output setting.
bool get_input_is_ycrcb() const
Returns the JPEG JFIF YCrCb input setting.
bool get_premultiply_alpha() const
Returns the premultiply alpha setting.
TextureFormat
Texture format.
Definition: texture_format.h:38
bool flip_vertical() const
Returns the flip vertical setting.
Low level pixel format converter class.
Definition: pixel_converter.h:44
void convert(void *output, int output_pitch, TextureFormat output_format, const void *input, int input_pitch, TextureFormat input_format, int width, int height)
Convert some pixel data.
void set_input_is_ycrcb(bool enable)
Converts from JPEG JFIF YCrCb.
float get_gamma() const
Returns the gamma setting.