pixel_converter.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2013 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 
31 #pragma once
32 
33 #include "../api_display.h"
34 #include <memory>
35 #include "../../Core/Math/vec4.h"
36 #include "texture_format.h"
37 
38 namespace clan
39 {
42 
43 class PixelConverter_Impl;
44 
46 class CL_API_DISPLAY PixelConverter
47 {
50 public:
53  ~PixelConverter();
55 
58 public:
60  bool get_premultiply_alpha() const;
61 
63  bool flip_vertical() const;
64 
66  float get_gamma() const;
67 
69  Vec4i get_swizzle() const;
70 
72  bool get_input_is_ycrcb() const;
73 
75  bool get_output_is_ycrcb() const;
76 
78 
81 public:
85  void set_premultiply_alpha(bool enable);
86 
90  void set_flip_vertical(bool enable);
91 
95  void set_gamma(float gamma);
96 
100  void set_swizzle(int red_source, int green_source, int blue_source, int alpha_source);
101  void set_swizzle(const Vec4i &swizzle);
102 
104  void set_input_is_ycrcb(bool enable);
105 
107  void set_output_is_ycrcb(bool enable);
108 
110  void convert(void *output, int output_pitch, TextureFormat output_format, const void *input, int input_pitch, TextureFormat input_format, int width, int height);
112 
115 private:
116  std::shared_ptr<PixelConverter_Impl> impl;
118 };
119 
120 }
121 
TextureFormat
Texture format.
Definition: texture_format.h:41
Low level pixel format converter class.
Definition: pixel_converter.h:46
4D vector
Definition: size.h:48