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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef GRAPHICS_TINYGL_ZBLIT_PUBLIC_H
#define GRAPHICS_TINYGL_ZBLIT_PUBLIC_H
#include "common/rect.h"
#include "graphics/surface.h"
namespace TinyGL {
struct BlitTransform {
BlitTransform(int dstX, int dstY) : _rotation(0), _originX(0), _originY(0), _aTint(1.0f),
_rTint(1.0f), _gTint(1.0f), _bTint(1.0), _flipHorizontally(false),
_flipVertically(false) {
_destinationRectangle.translate(dstX, dstY);
}
void sourceRectangle(int srcX, int srcY, int srcWidth, int srcHeight) {
_sourceRectangle.left = srcX;
_sourceRectangle.top = srcY;
_sourceRectangle.setWidth(srcWidth);
_sourceRectangle.setHeight(srcHeight);
}
void tint(float aTint, float rTint = 1.0f, float gTint = 1.0f, float bTint = 1.0f) {
_aTint = aTint;
_rTint = rTint;
_gTint = gTint;
_bTint = bTint;
}
/*
void scale(int width, int height) {
_destinationRectangle.setWidth(width);
_destinationRectangle.setHeight(height);
}
*/
void rotate(int rotation, int originX, int originY) {
_rotation = rotation;
_originX = originX;
_originY = originY;
}
void flip(bool verticalFlip, bool horizontalFlip) {
_flipVertically = verticalFlip;
_flipHorizontally = horizontalFlip;
}
bool operator==(const BlitTransform &other) const {
return
_sourceRectangle == other._sourceRectangle && _destinationRectangle == other._destinationRectangle &&
_rotation == other._rotation && _originX == other._originX && _originY == other._originY &&
_aTint == other._aTint && _rTint == other._rTint && _gTint == other._gTint && _bTint == other._bTint &&
_flipHorizontally == other._flipHorizontally && _flipVertically == other._flipVertically;
}
Common::Rect _sourceRectangle;
Common::Rect _destinationRectangle;
int _rotation;
int _originX, _originY;
float _aTint, _rTint, _gTint, _bTint;
bool _flipHorizontally, _flipVertically;
};
struct BlitImage;
} // end of namespace TinyGL
/**
@brief Generates a new blit image.
@return returns an opaque pointer to the blit image.
*/
TinyGL::BlitImage *tglGenBlitImage();
/**
@brief Copies a surface data into the provided blit image.
@param pointer to the blit image.
@param reference to the surface that's being copied
@param color key value for alpha color keying
@param boolean that enables alpha color keying
*/
void tglUploadBlitImage(TinyGL::BlitImage *blitImage, const Graphics::Surface &surface, uint32 colorKey, bool applyColorKey, bool zBuffer = false);
/**
@brief Destroys an instance of blit image.
@param pointer to the blit image.
*/
void tglDeleteBlitImage(TinyGL::BlitImage *blitImage);
/**
@brief Getter for current blit image width and height
@param pointer to the blit image.
@param reference to the width variable
@param reference to the height variable
*/
void tglGetBlitImageSize(TinyGL::BlitImage *blitImage, int &width, int &height);
/**
@brief Provides a way to check if the image has been updated.
@param pointer to the blit image.
@param boolean that enables alpha color keying
*/
int tglGetBlitImageVersion(TinyGL::BlitImage *blitImage);
/**
@brief Blits an image to the color buffer.
@param pointer to the blit image.
@param blit transform information.
*/
void tglBlit(TinyGL::BlitImage *blitImage, const TinyGL::BlitTransform &transform);
/**
@brief Blits an image to the color buffer.
@param pointer to the blit image.
@param x destination coordinate.
@param y destination coordinate.
*/
void tglBlit(TinyGL::BlitImage *blitImage, int x, int y);
/**
@brief Blits an image to the color buffer without performinc any type of blending, image transformation or tinting.
@param pointer to the blit image.
@param x destination coordinate.
@param y destination coordinate.
*/
void tglBlitFast(TinyGL::BlitImage *blitImage, int x, int y);
/**
@brief Blits an image to the depth buffer.
@param pointer to the blit image.
@param x destination coordinate.
@param y destination coordinate.
*/
void tglBlitZBuffer(TinyGL::BlitImage *blitImage, int x, int y);
void tglIncBlitImageRef(TinyGL::BlitImage *blitImage);
#endif // GRAPHICS_TINYGL_ZBLIT_PUBLIC_H
|
