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1 f7012583 2003-11-25 devnull #ifndef _DRAW_H_
2 f7012583 2003-11-25 devnull #define _DRAW_H_ 1
3 f7012583 2003-11-25 devnull #if defined(__cplusplus)
4 f7012583 2003-11-25 devnull extern "C" {
5 f7012583 2003-11-25 devnull #endif
6 1a0954ab 2005-01-04 devnull
7 1a0954ab 2005-01-04 devnull AUTOLIB(draw)
8 f7012583 2003-11-25 devnull
9 b2cfc4e2 2003-09-30 devnull typedef struct Cachefont Cachefont;
10 b2cfc4e2 2003-09-30 devnull typedef struct Cacheinfo Cacheinfo;
11 b2cfc4e2 2003-09-30 devnull typedef struct Cachesubf Cachesubf;
12 b2cfc4e2 2003-09-30 devnull typedef struct Display Display;
13 b2cfc4e2 2003-09-30 devnull typedef struct Font Font;
14 b2cfc4e2 2003-09-30 devnull typedef struct Fontchar Fontchar;
15 b2cfc4e2 2003-09-30 devnull typedef struct Image Image;
16 b2cfc4e2 2003-09-30 devnull typedef struct Mouse Mouse;
17 b2cfc4e2 2003-09-30 devnull typedef struct Point Point;
18 b2cfc4e2 2003-09-30 devnull typedef struct Rectangle Rectangle;
19 b2cfc4e2 2003-09-30 devnull typedef struct RGB RGB;
20 b2cfc4e2 2003-09-30 devnull typedef struct Screen Screen;
21 b2cfc4e2 2003-09-30 devnull typedef struct Subfont Subfont;
22 b2cfc4e2 2003-09-30 devnull
23 b2cfc4e2 2003-09-30 devnull extern int Rfmt(Fmt*);
24 b2cfc4e2 2003-09-30 devnull extern int Pfmt(Fmt*);
25 b2cfc4e2 2003-09-30 devnull
26 be22ae2d 2004-03-26 devnull #define DOpaque 0xFFFFFFFF
27 be22ae2d 2004-03-26 devnull #define DTransparent 0x00000000 /* only useful for allocimage memfillcolor */
28 be22ae2d 2004-03-26 devnull #define DBlack 0x000000FF
29 be22ae2d 2004-03-26 devnull #define DWhite 0xFFFFFFFF
30 be22ae2d 2004-03-26 devnull #define DRed 0xFF0000FF
31 be22ae2d 2004-03-26 devnull #define DGreen 0x00FF00FF
32 be22ae2d 2004-03-26 devnull #define DBlue 0x0000FFFF
33 be22ae2d 2004-03-26 devnull #define DCyan 0x00FFFFFF
34 be22ae2d 2004-03-26 devnull #define DMagenta 0xFF00FFFF
35 be22ae2d 2004-03-26 devnull #define DYellow 0xFFFF00FF
36 be22ae2d 2004-03-26 devnull #define DPaleyellow 0xFFFFAAFF
37 be22ae2d 2004-03-26 devnull #define DDarkyellow 0xEEEE9EFF
38 be22ae2d 2004-03-26 devnull #define DDarkgreen 0x448844FF
39 be22ae2d 2004-03-26 devnull #define DPalegreen 0xAAFFAAFF
40 be22ae2d 2004-03-26 devnull #define DMedgreen 0x88CC88FF
41 be22ae2d 2004-03-26 devnull #define DDarkblue 0x000055FF
42 be22ae2d 2004-03-26 devnull #define DPalebluegreen 0xAAFFFFFF
43 be22ae2d 2004-03-26 devnull #define DPaleblue 0x0000BBFF
44 be22ae2d 2004-03-26 devnull #define DBluegreen 0x008888FF
45 be22ae2d 2004-03-26 devnull #define DGreygreen 0x55AAAAFF
46 be22ae2d 2004-03-26 devnull #define DPalegreygreen 0x9EEEEEFF
47 be22ae2d 2004-03-26 devnull #define DYellowgreen 0x99994CFF
48 be22ae2d 2004-03-26 devnull #define DMedblue 0x000099FF
49 be22ae2d 2004-03-26 devnull #define DGreyblue 0x005DBBFF
50 be22ae2d 2004-03-26 devnull #define DPalegreyblue 0x4993DDFF
51 be22ae2d 2004-03-26 devnull #define DPurpleblue 0x8888CCFF
52 b2cfc4e2 2003-09-30 devnull
53 be22ae2d 2004-03-26 devnull #define DNotacolor 0xFFFFFF00
54 be22ae2d 2004-03-26 devnull #define DNofill DNotacolor
55 b2cfc4e2 2003-09-30 devnull
56 b2cfc4e2 2003-09-30 devnull enum
57 b2cfc4e2 2003-09-30 devnull {
58 b2cfc4e2 2003-09-30 devnull Displaybufsize = 8000,
59 b2cfc4e2 2003-09-30 devnull ICOSSCALE = 1024,
60 b2cfc4e2 2003-09-30 devnull Borderwidth = 4,
61 b2cfc4e2 2003-09-30 devnull };
62 b2cfc4e2 2003-09-30 devnull
63 b2cfc4e2 2003-09-30 devnull enum
64 b2cfc4e2 2003-09-30 devnull {
65 b2cfc4e2 2003-09-30 devnull /* refresh methods */
66 b2cfc4e2 2003-09-30 devnull Refbackup = 0,
67 b2cfc4e2 2003-09-30 devnull Refnone = 1,
68 b2cfc4e2 2003-09-30 devnull Refmesg = 2
69 b2cfc4e2 2003-09-30 devnull };
70 b2cfc4e2 2003-09-30 devnull #define NOREFRESH ((void*)-1)
71 b2cfc4e2 2003-09-30 devnull
72 b2cfc4e2 2003-09-30 devnull enum
73 b2cfc4e2 2003-09-30 devnull {
74 b2cfc4e2 2003-09-30 devnull /* line ends */
75 b2cfc4e2 2003-09-30 devnull Endsquare = 0,
76 b2cfc4e2 2003-09-30 devnull Enddisc = 1,
77 b2cfc4e2 2003-09-30 devnull Endarrow = 2,
78 b2cfc4e2 2003-09-30 devnull Endmask = 0x1F
79 b2cfc4e2 2003-09-30 devnull };
80 b2cfc4e2 2003-09-30 devnull
81 b2cfc4e2 2003-09-30 devnull #define ARROW(a, b, c) (Endarrow|((a)<<5)|((b)<<14)|((c)<<23))
82 b2cfc4e2 2003-09-30 devnull
83 b2cfc4e2 2003-09-30 devnull typedef enum
84 b2cfc4e2 2003-09-30 devnull {
85 b2cfc4e2 2003-09-30 devnull /* Porter-Duff compositing operators */
86 b2cfc4e2 2003-09-30 devnull Clear = 0,
87 b2cfc4e2 2003-09-30 devnull
88 b2cfc4e2 2003-09-30 devnull SinD = 8,
89 b2cfc4e2 2003-09-30 devnull DinS = 4,
90 b2cfc4e2 2003-09-30 devnull SoutD = 2,
91 b2cfc4e2 2003-09-30 devnull DoutS = 1,
92 b2cfc4e2 2003-09-30 devnull
93 b2cfc4e2 2003-09-30 devnull S = SinD|SoutD,
94 b2cfc4e2 2003-09-30 devnull SoverD = SinD|SoutD|DoutS,
95 b2cfc4e2 2003-09-30 devnull SatopD = SinD|DoutS,
96 b2cfc4e2 2003-09-30 devnull SxorD = SoutD|DoutS,
97 b2cfc4e2 2003-09-30 devnull
98 b2cfc4e2 2003-09-30 devnull D = DinS|DoutS,
99 b2cfc4e2 2003-09-30 devnull DoverS = DinS|DoutS|SoutD,
100 b2cfc4e2 2003-09-30 devnull DatopS = DinS|SoutD,
101 b2cfc4e2 2003-09-30 devnull DxorS = DoutS|SoutD, /* == SxorD */
102 b2cfc4e2 2003-09-30 devnull
103 b2cfc4e2 2003-09-30 devnull Ncomp = 12,
104 b2cfc4e2 2003-09-30 devnull } Drawop;
105 b2cfc4e2 2003-09-30 devnull
106 b2cfc4e2 2003-09-30 devnull /*
107 b2cfc4e2 2003-09-30 devnull * image channel descriptors
108 b2cfc4e2 2003-09-30 devnull */
109 b2cfc4e2 2003-09-30 devnull enum {
110 b2cfc4e2 2003-09-30 devnull CRed = 0,
111 b2cfc4e2 2003-09-30 devnull CGreen,
112 b2cfc4e2 2003-09-30 devnull CBlue,
113 b2cfc4e2 2003-09-30 devnull CGrey,
114 b2cfc4e2 2003-09-30 devnull CAlpha,
115 b2cfc4e2 2003-09-30 devnull CMap,
116 b2cfc4e2 2003-09-30 devnull CIgnore,
117 b2cfc4e2 2003-09-30 devnull NChan,
118 b2cfc4e2 2003-09-30 devnull };
119 b2cfc4e2 2003-09-30 devnull
120 b2cfc4e2 2003-09-30 devnull #define __DC(type, nbits) ((((type)&15)<<4)|((nbits)&15))
121 b2cfc4e2 2003-09-30 devnull #define CHAN1(a,b) __DC(a,b)
122 b2cfc4e2 2003-09-30 devnull #define CHAN2(a,b,c,d) (CHAN1((a),(b))<<8|__DC((c),(d)))
123 b2cfc4e2 2003-09-30 devnull #define CHAN3(a,b,c,d,e,f) (CHAN2((a),(b),(c),(d))<<8|__DC((e),(f)))
124 b2cfc4e2 2003-09-30 devnull #define CHAN4(a,b,c,d,e,f,g,h) (CHAN3((a),(b),(c),(d),(e),(f))<<8|__DC((g),(h)))
125 b2cfc4e2 2003-09-30 devnull
126 b2cfc4e2 2003-09-30 devnull #define NBITS(c) ((c)&15)
127 b2cfc4e2 2003-09-30 devnull #define TYPE(c) (((c)>>4)&15)
128 b2cfc4e2 2003-09-30 devnull
129 b2cfc4e2 2003-09-30 devnull enum {
130 b2cfc4e2 2003-09-30 devnull GREY1 = CHAN1(CGrey, 1),
131 b2cfc4e2 2003-09-30 devnull GREY2 = CHAN1(CGrey, 2),
132 b2cfc4e2 2003-09-30 devnull GREY4 = CHAN1(CGrey, 4),
133 b2cfc4e2 2003-09-30 devnull GREY8 = CHAN1(CGrey, 8),
134 b2cfc4e2 2003-09-30 devnull CMAP8 = CHAN1(CMap, 8),
135 b2cfc4e2 2003-09-30 devnull RGB15 = CHAN4(CIgnore, 1, CRed, 5, CGreen, 5, CBlue, 5),
136 b2cfc4e2 2003-09-30 devnull RGB16 = CHAN3(CRed, 5, CGreen, 6, CBlue, 5),
137 b2cfc4e2 2003-09-30 devnull RGB24 = CHAN3(CRed, 8, CGreen, 8, CBlue, 8),
138 b2cfc4e2 2003-09-30 devnull BGR24 = CHAN3(CBlue, 8, CGreen, 8, CRed, 8),
139 b2cfc4e2 2003-09-30 devnull RGBA32 = CHAN4(CRed, 8, CGreen, 8, CBlue, 8, CAlpha, 8),
140 b2cfc4e2 2003-09-30 devnull ARGB32 = CHAN4(CAlpha, 8, CRed, 8, CGreen, 8, CBlue, 8), /* stupid VGAs */
141 32bb6c87 2005-02-15 devnull ABGR32 = CHAN4(CAlpha, 8, CBlue, 8, CGreen, 8, CRed, 8),
142 b2cfc4e2 2003-09-30 devnull XRGB32 = CHAN4(CIgnore, 8, CRed, 8, CGreen, 8, CBlue, 8),
143 b2cfc4e2 2003-09-30 devnull XBGR32 = CHAN4(CIgnore, 8, CBlue, 8, CGreen, 8, CRed, 8),
144 b2cfc4e2 2003-09-30 devnull };
145 b2cfc4e2 2003-09-30 devnull
146 b2cfc4e2 2003-09-30 devnull extern char* chantostr(char*, u32int);
147 b2cfc4e2 2003-09-30 devnull extern u32int strtochan(char*);
148 b2cfc4e2 2003-09-30 devnull extern int chantodepth(u32int);
149 b2cfc4e2 2003-09-30 devnull
150 b2cfc4e2 2003-09-30 devnull struct Point
151 b2cfc4e2 2003-09-30 devnull {
152 b2cfc4e2 2003-09-30 devnull int x;
153 b2cfc4e2 2003-09-30 devnull int y;
154 b2cfc4e2 2003-09-30 devnull };
155 b2cfc4e2 2003-09-30 devnull
156 b2cfc4e2 2003-09-30 devnull struct Rectangle
157 b2cfc4e2 2003-09-30 devnull {
158 b2cfc4e2 2003-09-30 devnull Point min;
159 b2cfc4e2 2003-09-30 devnull Point max;
160 b2cfc4e2 2003-09-30 devnull };
161 b2cfc4e2 2003-09-30 devnull
162 b2cfc4e2 2003-09-30 devnull typedef void (*Reffn)(Image*, Rectangle, void*);
163 b2cfc4e2 2003-09-30 devnull
164 b2cfc4e2 2003-09-30 devnull struct Screen
165 b2cfc4e2 2003-09-30 devnull {
166 b2cfc4e2 2003-09-30 devnull Display *display; /* display holding data */
167 b2cfc4e2 2003-09-30 devnull int id; /* id of system-held Screen */
168 b2cfc4e2 2003-09-30 devnull Image *image; /* unused; for reference only */
169 b2cfc4e2 2003-09-30 devnull Image *fill; /* color to paint behind windows */
170 b2cfc4e2 2003-09-30 devnull };
171 b2cfc4e2 2003-09-30 devnull
172 b2cfc4e2 2003-09-30 devnull struct Display
173 b2cfc4e2 2003-09-30 devnull {
174 b2cfc4e2 2003-09-30 devnull QLock qlock;
175 b2cfc4e2 2003-09-30 devnull int locking; /*program is using lockdisplay */
176 b2cfc4e2 2003-09-30 devnull int dirno;
177 b2cfc4e2 2003-09-30 devnull int imageid;
178 b2cfc4e2 2003-09-30 devnull int local;
179 b2cfc4e2 2003-09-30 devnull void (*error)(Display*, char*);
180 b2cfc4e2 2003-09-30 devnull char *devdir;
181 b2cfc4e2 2003-09-30 devnull char *windir;
182 b2cfc4e2 2003-09-30 devnull char oldlabel[64];
183 b2cfc4e2 2003-09-30 devnull u32int dataqid;
184 b2cfc4e2 2003-09-30 devnull Image *image;
185 b2cfc4e2 2003-09-30 devnull Image *white;
186 b2cfc4e2 2003-09-30 devnull Image *black;
187 b2cfc4e2 2003-09-30 devnull Image *opaque;
188 b2cfc4e2 2003-09-30 devnull Image *transparent;
189 b2cfc4e2 2003-09-30 devnull uchar *buf;
190 b2cfc4e2 2003-09-30 devnull int bufsize;
191 b2cfc4e2 2003-09-30 devnull uchar *bufp;
192 b2cfc4e2 2003-09-30 devnull uchar *obuf;
193 b2cfc4e2 2003-09-30 devnull int obufsize;
194 b2cfc4e2 2003-09-30 devnull uchar *obufp;
195 b2cfc4e2 2003-09-30 devnull Font *defaultfont;
196 b2cfc4e2 2003-09-30 devnull Subfont *defaultsubfont;
197 b2cfc4e2 2003-09-30 devnull Image *windows;
198 b2cfc4e2 2003-09-30 devnull Image *screenimage;
199 b2cfc4e2 2003-09-30 devnull int _isnewdisplay;
200 b2cfc4e2 2003-09-30 devnull };
201 b2cfc4e2 2003-09-30 devnull
202 b2cfc4e2 2003-09-30 devnull struct Image
203 b2cfc4e2 2003-09-30 devnull {
204 b2cfc4e2 2003-09-30 devnull Display *display; /* display holding data */
205 b2cfc4e2 2003-09-30 devnull int id; /* id of system-held Image */
206 b2cfc4e2 2003-09-30 devnull Rectangle r; /* rectangle in data area, local coords */
207 b2cfc4e2 2003-09-30 devnull Rectangle clipr; /* clipping region */
208 b2cfc4e2 2003-09-30 devnull int depth; /* number of bits per pixel */
209 b2cfc4e2 2003-09-30 devnull u32int chan;
210 b2cfc4e2 2003-09-30 devnull int repl; /* flag: data replicates to tile clipr */
211 b2cfc4e2 2003-09-30 devnull Screen *screen; /* 0 if not a window */
212 b2cfc4e2 2003-09-30 devnull Image *next; /* next in list of windows */
213 b2cfc4e2 2003-09-30 devnull };
214 b2cfc4e2 2003-09-30 devnull
215 b2cfc4e2 2003-09-30 devnull struct RGB
216 b2cfc4e2 2003-09-30 devnull {
217 b2cfc4e2 2003-09-30 devnull u32int red;
218 b2cfc4e2 2003-09-30 devnull u32int green;
219 b2cfc4e2 2003-09-30 devnull u32int blue;
220 b2cfc4e2 2003-09-30 devnull };
221 b2cfc4e2 2003-09-30 devnull
222 b2cfc4e2 2003-09-30 devnull /*
223 b2cfc4e2 2003-09-30 devnull * Subfonts
224 b2cfc4e2 2003-09-30 devnull *
225 b2cfc4e2 2003-09-30 devnull * given char c, Subfont *f, Fontchar *i, and Point p, one says
226 b2cfc4e2 2003-09-30 devnull * i = f->info+c;
227 16a70966 2003-11-23 devnull * void(b, Rect(p.x+i->left, p.y+i->top,
228 b2cfc4e2 2003-09-30 devnull * p.x+i->left+((i+1)->x-i->x), p.y+i->bottom),
229 b2cfc4e2 2003-09-30 devnull * color, f->bits, Pt(i->x, i->top));
230 b2cfc4e2 2003-09-30 devnull * p.x += i->width;
231 b2cfc4e2 2003-09-30 devnull * to draw characters in the specified color (itself an Image) in Image b.
232 b2cfc4e2 2003-09-30 devnull */
233 b2cfc4e2 2003-09-30 devnull
234 b2cfc4e2 2003-09-30 devnull struct Fontchar
235 b2cfc4e2 2003-09-30 devnull {
236 b2cfc4e2 2003-09-30 devnull int x; /* left edge of bits */
237 b2cfc4e2 2003-09-30 devnull uchar top; /* first non-zero scan-line */
238 b2cfc4e2 2003-09-30 devnull uchar bottom; /* last non-zero scan-line + 1 */
239 b2cfc4e2 2003-09-30 devnull char left; /* offset of baseline */
240 b2cfc4e2 2003-09-30 devnull uchar width; /* width of baseline */
241 b2cfc4e2 2003-09-30 devnull };
242 b2cfc4e2 2003-09-30 devnull
243 b2cfc4e2 2003-09-30 devnull struct Subfont
244 b2cfc4e2 2003-09-30 devnull {
245 b2cfc4e2 2003-09-30 devnull char *name;
246 b2cfc4e2 2003-09-30 devnull short n; /* number of chars in font */
247 b2cfc4e2 2003-09-30 devnull uchar height; /* height of image */
248 b2cfc4e2 2003-09-30 devnull char ascent; /* top of image to baseline */
249 b2cfc4e2 2003-09-30 devnull Fontchar *info; /* n+1 character descriptors */
250 b2cfc4e2 2003-09-30 devnull Image *bits; /* of font */
251 b2cfc4e2 2003-09-30 devnull int ref;
252 b2cfc4e2 2003-09-30 devnull };
253 b2cfc4e2 2003-09-30 devnull
254 b2cfc4e2 2003-09-30 devnull enum
255 b2cfc4e2 2003-09-30 devnull {
256 b2cfc4e2 2003-09-30 devnull /* starting values */
257 b2cfc4e2 2003-09-30 devnull LOG2NFCACHE = 6,
258 b2cfc4e2 2003-09-30 devnull NFCACHE = (1<<LOG2NFCACHE), /* #chars cached */
259 b2cfc4e2 2003-09-30 devnull NFLOOK = 5, /* #chars to scan in cache */
260 b2cfc4e2 2003-09-30 devnull NFSUBF = 2, /* #subfonts to cache */
261 b2cfc4e2 2003-09-30 devnull /* max value */
262 b2cfc4e2 2003-09-30 devnull MAXFCACHE = 1024+NFLOOK, /* upper limit */
263 b2cfc4e2 2003-09-30 devnull MAXSUBF = 50, /* generous upper limit */
264 b2cfc4e2 2003-09-30 devnull /* deltas */
265 b2cfc4e2 2003-09-30 devnull DSUBF = 4,
266 b2cfc4e2 2003-09-30 devnull /* expiry ages */
267 b2cfc4e2 2003-09-30 devnull SUBFAGE = 10000,
268 b2cfc4e2 2003-09-30 devnull CACHEAGE = 10000
269 b2cfc4e2 2003-09-30 devnull };
270 b2cfc4e2 2003-09-30 devnull
271 b2cfc4e2 2003-09-30 devnull struct Cachefont
272 b2cfc4e2 2003-09-30 devnull {
273 b2cfc4e2 2003-09-30 devnull Rune min; /* lowest rune value to be taken from subfont */
274 b2cfc4e2 2003-09-30 devnull Rune max; /* highest rune value+1 to be taken from subfont */
275 b2cfc4e2 2003-09-30 devnull int offset; /* position in subfont of character at min */
276 b2cfc4e2 2003-09-30 devnull char *name; /* stored in font */
277 b2cfc4e2 2003-09-30 devnull char *subfontname; /* to access subfont */
278 b2cfc4e2 2003-09-30 devnull };
279 b2cfc4e2 2003-09-30 devnull
280 b2cfc4e2 2003-09-30 devnull struct Cacheinfo
281 b2cfc4e2 2003-09-30 devnull {
282 b2cfc4e2 2003-09-30 devnull ushort x; /* left edge of bits */
283 b2cfc4e2 2003-09-30 devnull uchar width; /* width of baseline */
284 b2cfc4e2 2003-09-30 devnull schar left; /* offset of baseline */
285 b2cfc4e2 2003-09-30 devnull Rune value; /* value of character at this slot in cache */
286 b2cfc4e2 2003-09-30 devnull ushort age;
287 b2cfc4e2 2003-09-30 devnull };
288 b2cfc4e2 2003-09-30 devnull
289 b2cfc4e2 2003-09-30 devnull struct Cachesubf
290 b2cfc4e2 2003-09-30 devnull {
291 b2cfc4e2 2003-09-30 devnull u32int age; /* for replacement */
292 b2cfc4e2 2003-09-30 devnull Cachefont *cf; /* font info that owns us */
293 b2cfc4e2 2003-09-30 devnull Subfont *f; /* attached subfont */
294 b2cfc4e2 2003-09-30 devnull };
295 b2cfc4e2 2003-09-30 devnull
296 b2cfc4e2 2003-09-30 devnull struct Font
297 b2cfc4e2 2003-09-30 devnull {
298 b2cfc4e2 2003-09-30 devnull char *name;
299 b2cfc4e2 2003-09-30 devnull Display *display;
300 b2cfc4e2 2003-09-30 devnull short height; /* max height of image, interline spacing */
301 b2cfc4e2 2003-09-30 devnull short ascent; /* top of image to baseline */
302 b2cfc4e2 2003-09-30 devnull short width; /* widest so far; used in caching only */
303 b2cfc4e2 2003-09-30 devnull short nsub; /* number of subfonts */
304 b2cfc4e2 2003-09-30 devnull u32int age; /* increasing counter; used for LRU */
305 b2cfc4e2 2003-09-30 devnull int maxdepth; /* maximum depth of all loaded subfonts */
306 b2cfc4e2 2003-09-30 devnull int ncache; /* size of cache */
307 b2cfc4e2 2003-09-30 devnull int nsubf; /* size of subfont list */
308 b2cfc4e2 2003-09-30 devnull Cacheinfo *cache;
309 b2cfc4e2 2003-09-30 devnull Cachesubf *subf;
310 b2cfc4e2 2003-09-30 devnull Cachefont **sub; /* as read from file */
311 b2cfc4e2 2003-09-30 devnull Image *cacheimage;
312 b2cfc4e2 2003-09-30 devnull };
313 b2cfc4e2 2003-09-30 devnull
314 b2cfc4e2 2003-09-30 devnull #define Dx(r) ((r).max.x-(r).min.x)
315 b2cfc4e2 2003-09-30 devnull #define Dy(r) ((r).max.y-(r).min.y)
316 b2cfc4e2 2003-09-30 devnull
317 b2cfc4e2 2003-09-30 devnull /*
318 b2cfc4e2 2003-09-30 devnull * Image management
319 b2cfc4e2 2003-09-30 devnull */
320 b2cfc4e2 2003-09-30 devnull extern Image* _allocimage(Image*, Display*, Rectangle, u32int, int, u32int, int, int);
321 b2cfc4e2 2003-09-30 devnull extern Image* allocimage(Display*, Rectangle, u32int, int, u32int);
322 b2cfc4e2 2003-09-30 devnull extern uchar* bufimage(Display*, int);
323 b2cfc4e2 2003-09-30 devnull extern int bytesperline(Rectangle, int);
324 b2cfc4e2 2003-09-30 devnull extern void closedisplay(Display*);
325 b2cfc4e2 2003-09-30 devnull extern void drawerror(Display*, char*);
326 b2cfc4e2 2003-09-30 devnull extern int flushimage(Display*, int);
327 b2cfc4e2 2003-09-30 devnull extern int freeimage(Image*);
328 b2cfc4e2 2003-09-30 devnull extern int _freeimage1(Image*);
329 b2cfc4e2 2003-09-30 devnull extern int geninitdraw(char*, void(*)(Display*, char*), char*, char*, char*, int);
330 b2cfc4e2 2003-09-30 devnull extern int initdraw(void(*)(Display*, char*), char*, char*);
331 b2cfc4e2 2003-09-30 devnull extern int newwindow(char*);
332 b2cfc4e2 2003-09-30 devnull extern int loadimage(Image*, Rectangle, uchar*, int);
333 b2cfc4e2 2003-09-30 devnull extern int cloadimage(Image*, Rectangle, uchar*, int);
334 b2cfc4e2 2003-09-30 devnull extern int getwindow(Display*, int);
335 b2cfc4e2 2003-09-30 devnull extern int gengetwindow(Display*, char*, Image**, Screen**, int);
336 b2cfc4e2 2003-09-30 devnull extern Image* readimage(Display*, int, int);
337 b2cfc4e2 2003-09-30 devnull extern Image* creadimage(Display*, int, int);
338 b2cfc4e2 2003-09-30 devnull extern int unloadimage(Image*, Rectangle, uchar*, int);
339 b2cfc4e2 2003-09-30 devnull extern int wordsperline(Rectangle, int);
340 b2cfc4e2 2003-09-30 devnull extern int writeimage(int, Image*, int);
341 b2cfc4e2 2003-09-30 devnull extern Image* namedimage(Display*, char*);
342 b2cfc4e2 2003-09-30 devnull extern int nameimage(Image*, char*, int);
343 b2cfc4e2 2003-09-30 devnull extern Image* allocimagemix(Display*, u32int, u32int);
344 1a0954ab 2005-01-04 devnull extern int drawsetlabel(char*);
345 b2cfc4e2 2003-09-30 devnull
346 b2cfc4e2 2003-09-30 devnull /*
347 b2cfc4e2 2003-09-30 devnull * Colors
348 b2cfc4e2 2003-09-30 devnull */
349 b2cfc4e2 2003-09-30 devnull extern void readcolmap(Display*, RGB*);
350 b2cfc4e2 2003-09-30 devnull extern void writecolmap(Display*, RGB*);
351 b2cfc4e2 2003-09-30 devnull extern u32int setalpha(u32int, uchar);
352 b2cfc4e2 2003-09-30 devnull
353 b2cfc4e2 2003-09-30 devnull /*
354 b2cfc4e2 2003-09-30 devnull * Windows
355 b2cfc4e2 2003-09-30 devnull */
356 b2cfc4e2 2003-09-30 devnull extern Screen* allocscreen(Image*, Image*, int);
357 b2cfc4e2 2003-09-30 devnull extern Image* _allocwindow(Image*, Screen*, Rectangle, int, u32int);
358 b2cfc4e2 2003-09-30 devnull extern Image* allocwindow(Screen*, Rectangle, int, u32int);
359 b2cfc4e2 2003-09-30 devnull extern void bottomnwindows(Image**, int);
360 b2cfc4e2 2003-09-30 devnull extern void bottomwindow(Image*);
361 b2cfc4e2 2003-09-30 devnull extern int freescreen(Screen*);
362 b2cfc4e2 2003-09-30 devnull extern Screen* publicscreen(Display*, int, u32int);
363 b2cfc4e2 2003-09-30 devnull extern void topnwindows(Image**, int);
364 b2cfc4e2 2003-09-30 devnull extern void topwindow(Image*);
365 b2cfc4e2 2003-09-30 devnull extern int originwindow(Image*, Point, Point);
366 b2cfc4e2 2003-09-30 devnull
367 b2cfc4e2 2003-09-30 devnull /*
368 b2cfc4e2 2003-09-30 devnull * Geometry
369 b2cfc4e2 2003-09-30 devnull */
370 b2cfc4e2 2003-09-30 devnull extern Point Pt(int, int);
371 b2cfc4e2 2003-09-30 devnull extern Rectangle Rect(int, int, int, int);
372 b2cfc4e2 2003-09-30 devnull extern Rectangle Rpt(Point, Point);
373 b2cfc4e2 2003-09-30 devnull extern Point addpt(Point, Point);
374 b2cfc4e2 2003-09-30 devnull extern Point subpt(Point, Point);
375 b2cfc4e2 2003-09-30 devnull extern Point divpt(Point, int);
376 b2cfc4e2 2003-09-30 devnull extern Point mulpt(Point, int);
377 b2cfc4e2 2003-09-30 devnull extern int eqpt(Point, Point);
378 b2cfc4e2 2003-09-30 devnull extern int eqrect(Rectangle, Rectangle);
379 b2cfc4e2 2003-09-30 devnull extern Rectangle insetrect(Rectangle, int);
380 b2cfc4e2 2003-09-30 devnull extern Rectangle rectaddpt(Rectangle, Point);
381 b2cfc4e2 2003-09-30 devnull extern Rectangle rectsubpt(Rectangle, Point);
382 b2cfc4e2 2003-09-30 devnull extern Rectangle canonrect(Rectangle);
383 b2cfc4e2 2003-09-30 devnull extern int rectXrect(Rectangle, Rectangle);
384 b2cfc4e2 2003-09-30 devnull extern int rectinrect(Rectangle, Rectangle);
385 b2cfc4e2 2003-09-30 devnull extern void combinerect(Rectangle*, Rectangle);
386 b2cfc4e2 2003-09-30 devnull extern int rectclip(Rectangle*, Rectangle);
387 b2cfc4e2 2003-09-30 devnull extern int ptinrect(Point, Rectangle);
388 b2cfc4e2 2003-09-30 devnull extern void replclipr(Image*, int, Rectangle);
389 b2cfc4e2 2003-09-30 devnull extern int drawreplxy(int, int, int); /* used to be drawsetxy */
390 b2cfc4e2 2003-09-30 devnull extern Point drawrepl(Rectangle, Point);
391 b2cfc4e2 2003-09-30 devnull extern int rgb2cmap(int, int, int);
392 b2cfc4e2 2003-09-30 devnull extern int cmap2rgb(int);
393 b2cfc4e2 2003-09-30 devnull extern int cmap2rgba(int);
394 b2cfc4e2 2003-09-30 devnull extern void icossin(int, int*, int*);
395 b2cfc4e2 2003-09-30 devnull extern void icossin2(int, int, int*, int*);
396 b2cfc4e2 2003-09-30 devnull
397 b2cfc4e2 2003-09-30 devnull /*
398 b2cfc4e2 2003-09-30 devnull * Graphics
399 b2cfc4e2 2003-09-30 devnull */
400 b2cfc4e2 2003-09-30 devnull extern void draw(Image*, Rectangle, Image*, Image*, Point);
401 b2cfc4e2 2003-09-30 devnull extern void drawop(Image*, Rectangle, Image*, Image*, Point, Drawop);
402 b2cfc4e2 2003-09-30 devnull extern void gendraw(Image*, Rectangle, Image*, Point, Image*, Point);
403 b2cfc4e2 2003-09-30 devnull extern void gendrawop(Image*, Rectangle, Image*, Point, Image*, Point, Drawop);
404 b2cfc4e2 2003-09-30 devnull extern void line(Image*, Point, Point, int, int, int, Image*, Point);
405 b2cfc4e2 2003-09-30 devnull extern void lineop(Image*, Point, Point, int, int, int, Image*, Point, Drawop);
406 b2cfc4e2 2003-09-30 devnull extern void poly(Image*, Point*, int, int, int, int, Image*, Point);
407 b2cfc4e2 2003-09-30 devnull extern void polyop(Image*, Point*, int, int, int, int, Image*, Point, Drawop);
408 b2cfc4e2 2003-09-30 devnull extern void fillpoly(Image*, Point*, int, int, Image*, Point);
409 b2cfc4e2 2003-09-30 devnull extern void fillpolyop(Image*, Point*, int, int, Image*, Point, Drawop);
410 b2cfc4e2 2003-09-30 devnull extern Point string(Image*, Point, Image*, Point, Font*, char*);
411 b2cfc4e2 2003-09-30 devnull extern Point stringop(Image*, Point, Image*, Point, Font*, char*, Drawop);
412 b2cfc4e2 2003-09-30 devnull extern Point stringn(Image*, Point, Image*, Point, Font*, char*, int);
413 b2cfc4e2 2003-09-30 devnull extern Point stringnop(Image*, Point, Image*, Point, Font*, char*, int, Drawop);
414 b2cfc4e2 2003-09-30 devnull extern Point runestring(Image*, Point, Image*, Point, Font*, Rune*);
415 b2cfc4e2 2003-09-30 devnull extern Point runestringop(Image*, Point, Image*, Point, Font*, Rune*, Drawop);
416 b2cfc4e2 2003-09-30 devnull extern Point runestringn(Image*, Point, Image*, Point, Font*, Rune*, int);
417 b2cfc4e2 2003-09-30 devnull extern Point runestringnop(Image*, Point, Image*, Point, Font*, Rune*, int, Drawop);
418 b2cfc4e2 2003-09-30 devnull extern Point stringbg(Image*, Point, Image*, Point, Font*, char*, Image*, Point);
419 b2cfc4e2 2003-09-30 devnull extern Point stringbgop(Image*, Point, Image*, Point, Font*, char*, Image*, Point, Drawop);
420 b2cfc4e2 2003-09-30 devnull extern Point stringnbg(Image*, Point, Image*, Point, Font*, char*, int, Image*, Point);
421 b2cfc4e2 2003-09-30 devnull extern Point stringnbgop(Image*, Point, Image*, Point, Font*, char*, int, Image*, Point, Drawop);
422 b2cfc4e2 2003-09-30 devnull extern Point runestringbg(Image*, Point, Image*, Point, Font*, Rune*, Image*, Point);
423 b2cfc4e2 2003-09-30 devnull extern Point runestringbgop(Image*, Point, Image*, Point, Font*, Rune*, Image*, Point, Drawop);
424 b2cfc4e2 2003-09-30 devnull extern Point runestringnbg(Image*, Point, Image*, Point, Font*, Rune*, int, Image*, Point);
425 b2cfc4e2 2003-09-30 devnull extern Point runestringnbgop(Image*, Point, Image*, Point, Font*, Rune*, int, Image*, Point, Drawop);
426 b2cfc4e2 2003-09-30 devnull extern Point _string(Image*, Point, Image*, Point, Font*, char*, Rune*, int, Rectangle, Image*, Point, Drawop);
427 b2cfc4e2 2003-09-30 devnull extern Point stringsubfont(Image*, Point, Image*, Subfont*, char*);
428 b2cfc4e2 2003-09-30 devnull extern int bezier(Image*, Point, Point, Point, Point, int, int, int, Image*, Point);
429 b2cfc4e2 2003-09-30 devnull extern int bezierop(Image*, Point, Point, Point, Point, int, int, int, Image*, Point, Drawop);
430 b2cfc4e2 2003-09-30 devnull extern int bezspline(Image*, Point*, int, int, int, int, Image*, Point);
431 b2cfc4e2 2003-09-30 devnull extern int bezsplineop(Image*, Point*, int, int, int, int, Image*, Point, Drawop);
432 b2cfc4e2 2003-09-30 devnull extern int bezsplinepts(Point*, int, Point**);
433 b2cfc4e2 2003-09-30 devnull extern int fillbezier(Image*, Point, Point, Point, Point, int, Image*, Point);
434 b2cfc4e2 2003-09-30 devnull extern int fillbezierop(Image*, Point, Point, Point, Point, int, Image*, Point, Drawop);
435 b2cfc4e2 2003-09-30 devnull extern int fillbezspline(Image*, Point*, int, int, Image*, Point);
436 b2cfc4e2 2003-09-30 devnull extern int fillbezsplineop(Image*, Point*, int, int, Image*, Point, Drawop);
437 b2cfc4e2 2003-09-30 devnull extern void ellipse(Image*, Point, int, int, int, Image*, Point);
438 b2cfc4e2 2003-09-30 devnull extern void ellipseop(Image*, Point, int, int, int, Image*, Point, Drawop);
439 b2cfc4e2 2003-09-30 devnull extern void fillellipse(Image*, Point, int, int, Image*, Point);
440 b2cfc4e2 2003-09-30 devnull extern void fillellipseop(Image*, Point, int, int, Image*, Point, Drawop);
441 b2cfc4e2 2003-09-30 devnull extern void arc(Image*, Point, int, int, int, Image*, Point, int, int);
442 b2cfc4e2 2003-09-30 devnull extern void arcop(Image*, Point, int, int, int, Image*, Point, int, int, Drawop);
443 b2cfc4e2 2003-09-30 devnull extern void fillarc(Image*, Point, int, int, Image*, Point, int, int);
444 b2cfc4e2 2003-09-30 devnull extern void fillarcop(Image*, Point, int, int, Image*, Point, int, int, Drawop);
445 b2cfc4e2 2003-09-30 devnull extern void border(Image*, Rectangle, int, Image*, Point);
446 b2cfc4e2 2003-09-30 devnull extern void borderop(Image*, Rectangle, int, Image*, Point, Drawop);
447 b2cfc4e2 2003-09-30 devnull
448 b2cfc4e2 2003-09-30 devnull /*
449 b2cfc4e2 2003-09-30 devnull * Font management
450 b2cfc4e2 2003-09-30 devnull */
451 b2cfc4e2 2003-09-30 devnull extern Font* openfont(Display*, char*);
452 b2cfc4e2 2003-09-30 devnull extern Font* buildfont(Display*, char*, char*);
453 b2cfc4e2 2003-09-30 devnull extern void freefont(Font*);
454 b2cfc4e2 2003-09-30 devnull extern Font* mkfont(Subfont*, Rune);
455 b2cfc4e2 2003-09-30 devnull extern int cachechars(Font*, char**, Rune**, ushort*, int, int*, char**);
456 b2cfc4e2 2003-09-30 devnull extern void agefont(Font*);
457 b2cfc4e2 2003-09-30 devnull extern Subfont* allocsubfont(char*, int, int, int, Fontchar*, Image*);
458 b2cfc4e2 2003-09-30 devnull extern Subfont* lookupsubfont(Display*, char*);
459 b2cfc4e2 2003-09-30 devnull extern void installsubfont(char*, Subfont*);
460 b2cfc4e2 2003-09-30 devnull extern void uninstallsubfont(Subfont*);
461 b2cfc4e2 2003-09-30 devnull extern void freesubfont(Subfont*);
462 b2cfc4e2 2003-09-30 devnull extern Subfont* readsubfont(Display*, char*, int, int);
463 b2cfc4e2 2003-09-30 devnull extern Subfont* readsubfonti(Display*, char*, int, Image*, int);
464 b2cfc4e2 2003-09-30 devnull extern int writesubfont(int, Subfont*);
465 b2cfc4e2 2003-09-30 devnull extern void _unpackinfo(Fontchar*, uchar*, int);
466 b2cfc4e2 2003-09-30 devnull extern Point stringsize(Font*, char*);
467 b2cfc4e2 2003-09-30 devnull extern int stringwidth(Font*, char*);
468 b2cfc4e2 2003-09-30 devnull extern int stringnwidth(Font*, char*, int);
469 b2cfc4e2 2003-09-30 devnull extern Point runestringsize(Font*, Rune*);
470 b2cfc4e2 2003-09-30 devnull extern int runestringwidth(Font*, Rune*);
471 b2cfc4e2 2003-09-30 devnull extern int runestringnwidth(Font*, Rune*, int);
472 b2cfc4e2 2003-09-30 devnull extern Point strsubfontwidth(Subfont*, char*);
473 b2cfc4e2 2003-09-30 devnull extern int loadchar(Font*, Rune, Cacheinfo*, int, int, char**);
474 b2cfc4e2 2003-09-30 devnull extern char* subfontname(char*, char*, int);
475 b2cfc4e2 2003-09-30 devnull extern Subfont* _getsubfont(Display*, char*);
476 b2cfc4e2 2003-09-30 devnull extern Subfont* getdefont(Display*);
477 b2cfc4e2 2003-09-30 devnull extern void lockdisplay(Display*);
478 b2cfc4e2 2003-09-30 devnull extern void unlockdisplay(Display*);
479 b2cfc4e2 2003-09-30 devnull extern int drawlsetrefresh(u32int, int, void*, void*);
480 b2cfc4e2 2003-09-30 devnull
481 b2cfc4e2 2003-09-30 devnull /*
482 b2cfc4e2 2003-09-30 devnull * Predefined
483 b2cfc4e2 2003-09-30 devnull */
484 b2cfc4e2 2003-09-30 devnull extern uchar defontdata[];
485 b2cfc4e2 2003-09-30 devnull extern int sizeofdefont;
486 b2cfc4e2 2003-09-30 devnull extern Point ZP;
487 b2cfc4e2 2003-09-30 devnull extern Rectangle ZR;
488 b2cfc4e2 2003-09-30 devnull
489 b2cfc4e2 2003-09-30 devnull /*
490 b2cfc4e2 2003-09-30 devnull * Set up by initdraw()
491 b2cfc4e2 2003-09-30 devnull */
492 b2cfc4e2 2003-09-30 devnull extern Display *display;
493 b2cfc4e2 2003-09-30 devnull extern Font *font;
494 b2cfc4e2 2003-09-30 devnull extern Image *screen;
495 b2cfc4e2 2003-09-30 devnull extern Screen *_screen;
496 b2cfc4e2 2003-09-30 devnull extern int _cursorfd;
497 b2cfc4e2 2003-09-30 devnull extern int _drawdebug; /* set to 1 to see errors from flushimage */
498 b2cfc4e2 2003-09-30 devnull extern void _setdrawop(Display*, Drawop);
499 b2cfc4e2 2003-09-30 devnull extern Display *_initdisplay(void(*)(Display*,char*), char*);
500 b2cfc4e2 2003-09-30 devnull
501 b2cfc4e2 2003-09-30 devnull #define BGSHORT(p) (((p)[0]<<0) | ((p)[1]<<8))
502 b2cfc4e2 2003-09-30 devnull #define BGLONG(p) ((BGSHORT(p)<<0) | (BGSHORT(p+2)<<16))
503 b2cfc4e2 2003-09-30 devnull #define BPSHORT(p, v) ((p)[0]=(v), (p)[1]=((v)>>8))
504 b2cfc4e2 2003-09-30 devnull #define BPLONG(p, v) (BPSHORT(p, (v)), BPSHORT(p+2, (v)>>16))
505 b2cfc4e2 2003-09-30 devnull
506 b2cfc4e2 2003-09-30 devnull /*
507 b2cfc4e2 2003-09-30 devnull * Compressed image file parameters and helper routines
508 b2cfc4e2 2003-09-30 devnull */
509 b2cfc4e2 2003-09-30 devnull #define NMATCH 3 /* shortest match possible */
510 b2cfc4e2 2003-09-30 devnull #define NRUN (NMATCH+31) /* longest match possible */
511 b2cfc4e2 2003-09-30 devnull #define NMEM 1024 /* window size */
512 b2cfc4e2 2003-09-30 devnull #define NDUMP 128 /* maximum length of dump */
513 b2cfc4e2 2003-09-30 devnull #define NCBLOCK 6000 /* size of compressed blocks */
514 b2cfc4e2 2003-09-30 devnull extern void _twiddlecompressed(uchar*, int);
515 b2cfc4e2 2003-09-30 devnull extern int _compblocksize(Rectangle, int);
516 b2cfc4e2 2003-09-30 devnull
517 b2cfc4e2 2003-09-30 devnull /* XXX backwards helps; should go */
518 b2cfc4e2 2003-09-30 devnull extern u32int drawld2chan[];
519 b2cfc4e2 2003-09-30 devnull extern void drawsetdebug(int);
520 b2cfc4e2 2003-09-30 devnull
521 b2cfc4e2 2003-09-30 devnull /*
522 20093746 2003-10-11 devnull * Snarf buffer
523 20093746 2003-10-11 devnull */
524 20093746 2003-10-11 devnull enum
525 20093746 2003-10-11 devnull {
526 20093746 2003-10-11 devnull SnarfSize = 64*1024,
527 20093746 2003-10-11 devnull };
528 20093746 2003-10-11 devnull char *getsnarf(void);
529 20093746 2003-10-11 devnull void putsnarf(char*);
530 20093746 2003-10-11 devnull
531 20093746 2003-10-11 devnull void drawtopwindow(void);
532 be36ff68 2004-04-29 devnull void drawresizewindow(Rectangle);
533 be36ff68 2004-04-29 devnull extern char *winsize;
534 20093746 2003-10-11 devnull
535 20093746 2003-10-11 devnull /*
536 b2cfc4e2 2003-09-30 devnull * Port magic.
537 b2cfc4e2 2003-09-30 devnull */
538 b2cfc4e2 2003-09-30 devnull int _drawmsgread(Display*, void*, int);
539 b2cfc4e2 2003-09-30 devnull int _drawmsgwrite(Display*, void*, int);
540 16a70966 2003-11-23 devnull int _latin1(Rune*, int);
541 d2ffec70 2004-06-11 devnull
542 d2ffec70 2004-06-11 devnull int mousescrollsize(int);
543 f7012583 2003-11-25 devnull
544 f7012583 2003-11-25 devnull #if defined(__cplusplus)
545 f7012583 2003-11-25 devnull }
546 f7012583 2003-11-25 devnull #endif
547 f7012583 2003-11-25 devnull #endif