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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
#ifndef GRAPHICS_H
#define GRAPHICS_H
#include <string>
#include <cstdlib>
#include <cstring>
#include <vector>
#if defined(OGLI)
#include "OpenGLHeaders.h"
#endif
#include "Config.h"
//#include "powder.h"
#define PIXELCHANNELS 3
#ifdef PIX16
#define PIXELSIZE 2
#define PIXPACK(x) ((((x)>>8)&0xF800)|(((x)>>5)&0x07E0)|(((x)>>3)&0x001F)) //16bit RGB in 16bit int: ????
#define PIXRGB(r,g,b) ((((r)<<8)&0xF800)|(((g)<<3)&0x07E0)|(((b)>>3)&0x001F))
#define PIXR(x) (((x)>>8)&0xF8)
#define PIXG(x) (((x)>>3)&0xFC)
#define PIXB(x) (((x)<<3)&0xF8)
#else
#define PIXELSIZE 4
#ifdef PIX32BGRA
#define PIXPACK(x) ((((x)>>16)&0x0000FF)|((x)&0x00FF00)|(((x)<<16)&0xFF0000)) //24bit BGR in 32bit int: 00BBGGRR
#define PIXRGB(r,g,b) (((b)<<16)|((g)<<8)|((r)))// (((b)<<16)|((g)<<8)|(r))
#define PIXR(x) ((x)&0xFF)
#define PIXG(x) (((x)>>8)&0xFF)
#define PIXB(x) ((x)>>16)
#else
#ifdef PIX32BGRA
#define PIXPACK(x) ((((x)>>8)&0x0000FF00)|(((x)<<8)&0x00FF0000)|(((x)<<24)&0xFF000000)) //32bit BGRA in 32bit int: BBGGRRAA
#define PIXRGB(r,g,b) (((b)<<24)|((g)<<16)|((r)<<8))
#define PIXR(x) (((x)>>8)&0xFF)
#define PIXG(x) (((x)>>16)&0xFF)
#define PIXB(x) (((x)>>24))
#elif defined(PIX32OGL)
#define PIXELCHANNELS 4
#define PIXPACK(x) (0xFF000000|((x)&0xFFFFFF)) //32bit ARGB in 32bit int: AARRGGBB
#define PIXRGB(r,g,b) (0xFF000000|((r)<<16)|((g)<<8)|((b)))
#define PIXRGBA(r,g,b,a) (((a)<<24)|((r)<<16)|((g)<<8)|((b)))
#define PIXA(x) (((x)>>24)&0xFF)
#define PIXR(x) (((x)>>16)&0xFF)
#define PIXG(x) (((x)>>8)&0xFF)
#define PIXB(x) ((x)&0xFF)
#else
#define PIXPACK(x) (x) //24bit RGB in 32bit int: 00RRGGBB.
#define PIXRGB(r,g,b) (((r)<<16)|((g)<<8)|(b))
#define PIXR(x) ((x)>>16)
#define PIXG(x) (((x)>>8)&0xFF)
#define PIXB(x) ((x)&0xFF)
#endif
#endif
#endif
#ifdef PIX16
typedef unsigned short pixel;
#else
typedef unsigned int pixel;
#endif
//Icon names, see Graphics::draw_icon
enum Icon
{
NoIcon = 0,
IconOpen,
IconReload,
IconSave,
IconVoteUp,
IconVoteDown,
IconTag,
IconNew,
IconLogin,
IconRenderSettings,
IconSimulationSettings,
IconPause,
IconVoteSort,
IconDateSort,
IconMyOwn,
IconFavourite,
IconSearch,
IconDelete,
IconAdd,
IconReport,
IconUsername,
IconPassword,
IconClose,
IconEffect,
IconFire,
IconGlow,
IconBlur,
IconBlob,
IconBasic,
IconAltAir,
IconPressure,
IconVelocity,
IconWarp,
IconPersistant,
IconHeat,
IconLife,
IconGradient
};
//"Graphics lite" - slightly lower performance due to variable size,
class VideoBuffer
{
public:
pixel * Buffer;
int Width, Height;
VideoBuffer(const VideoBuffer & old);
VideoBuffer(VideoBuffer * old);
VideoBuffer(pixel * buffer, int width, int height);
VideoBuffer(int width, int height);
void Resize(float factor, bool resample = false);
void Resize(int width, int height, bool resample = false, bool fixedRatio = true);
TPT_INLINE void BlendPixel(int x, int y, int r, int g, int b, int a)
{
#ifdef PIX32OGL
pixel t;
if (x<0 || y<0 || x>=Width || y>=Height)
return;
if (a!=255)
{
t = Buffer[y*(Width)+x];
r = (a*r + (255-a)*PIXR(t)) >> 8;
g = (a*g + (255-a)*PIXG(t)) >> 8;
b = (a*b + (255-a)*PIXB(t)) >> 8;
a = a > PIXA(t) ? a : PIXA(t);
}
Buffer[y*(Width)+x] = PIXRGBA(r,g,b,a);
#else
pixel t;
if (x<0 || y<0 || x>=Width || y>=Height)
return;
if (a!=255)
{
t = Buffer[y*(Width)+x];
r = (a*r + (255-a)*PIXR(t)) >> 8;
g = (a*g + (255-a)*PIXG(t)) >> 8;
b = (a*b + (255-a)*PIXB(t)) >> 8;
}
Buffer[y*(Width)+x] = PIXRGB(r,g,b);
#endif
}
TPT_INLINE void SetPixel(int x, int y, int r, int g, int b, int a)
{
if (x<0 || y<0 || x>=Width || y>=Height)
return;
#ifdef PIX32OGL
Buffer[y*(Width)+x] = PIXRGBA(r,g,b,a);
#else
Buffer[y*(Width)+x] = PIXRGB((r*a)>>8, (g*a)>>8, (b*a)>>8);
#endif
}
TPT_INLINE void AddPixel(int x, int y, int r, int g, int b, int a)
{
pixel t;
if (x<0 || y<0 || x>=Width || y>=Height)
return;
t = Buffer[y*(Width)+x];
r = (a*r + 255*PIXR(t)) >> 8;
g = (a*g + 255*PIXG(t)) >> 8;
b = (a*b + 255*PIXB(t)) >> 8;
if (r>255)
r = 255;
if (g>255)
g = 255;
if (b>255)
b = 255;
Buffer[y*(Width)+x] = PIXRGB(r,g,b);
}
int SetCharacter(int x, int y, int c, int r, int g, int b, int a);
int BlendCharacter(int x, int y, int c, int r, int g, int b, int a);
int AddCharacter(int x, int y, int c, int r, int g, int b, int a);
~VideoBuffer();
};
class Graphics
{
public:
pixel *vid;
int sdl_scale;
#ifdef OGLI
//OpenGL specific instance variables
GLuint vidBuf, textTexture;
void Reset();
#endif
//Common graphics methods in Graphics.cpp
static char * GenerateGradient(pixel * colours, float * points, int pointcount, int size);
//PTIF methods
static void *ptif_pack(pixel *src, int w, int h, int *result_size);
static pixel *ptif_unpack(void *datain, int size, int *w, int *h);
static pixel *resample_img_nn(pixel *src, int sw, int sh, int rw, int rh);
static pixel *resample_img(pixel *src, int sw, int sh, int rw, int rh);
static pixel *rescale_img(pixel *src, int sw, int sh, int *qw, int *qh, int f);
static pixel *render_packed_rgb(void *image, int width, int height, int cmp_size);
//Font/text metrics
static int CharIndexAtPosition(char *s, int positionX, int positionY);
static int PositionAtCharIndex(char *s, int charIndex, int & positionX, int & positionY);
static int CharWidth(unsigned char c);
static int textnwidth(char *s, int n);
static void textnpos(char *s, int n, int w, int *cx, int *cy);
static int textwidthx(char *s, int w);
static int textposxy(char *s, int width, int w, int h);
static int textwrapheight(char *s, int width);
static int textwidth(const char *s);
static void textsize(const char * s, int & width, int & height);
VideoBuffer DumpFrame();
void Acquire();
void Release();
void blendpixel(int x, int y, int r, int g, int b, int a);
void addpixel(int x, int y, int r, int g, int b, int a);
void draw_icon(int x, int y, Icon icon, unsigned char alpha = 255, bool invert = false);
void Clear();
void Finalise();
//
int drawtext_outline(int x, int y, const char *s, int r, int g, int b, int a);
int drawtext(int x, int y, const char *s, int r, int g, int b, int a);
int drawtext(int x, int y, std::string s, int r, int g, int b, int a);
int drawchar(int x, int y, int c, int r, int g, int b, int a);
int addchar(int x, int y, int c, int r, int g, int b, int a);
void xor_pixel(int x, int y);
void xor_line(int x, int y, int x2, int y2);
void xor_rect(int x, int y, int width, int height);
void xor_bitmap(unsigned char * bitmap, int x, int y, int w, int h);
void draw_line(int x, int y, int x2, int y2, int r, int g, int b, int a);
void drawrect(int x, int y, int width, int height, int r, int g, int b, int a);
void fillrect(int x, int y, int width, int height, int r, int g, int b, int a);
void drawcircle(int x, int y, int rx, int ry, int r, int g, int b, int a);
void fillcircle(int x, int y, int rx, int ry, int r, int g, int b, int a);
void clearrect(int x, int y, int width, int height);
void gradientrect(int x, int y, int width, int height, int r, int g, int b, int a, int r2, int g2, int b2, int a2);
void draw_image(pixel *img, int x, int y, int w, int h, int a);
void draw_image(const VideoBuffer & vidBuf, int w, int h, int a);
void draw_image(VideoBuffer * vidBuf, int w, int h, int a);
void draw_rgba_image(unsigned char *data, int x, int y, float alpha);
Graphics();
~Graphics();
};
#endif
|
