18 |
|
|
19 |
|
|
20 |
|
XRASTER * |
21 |
< |
make_raster(disp, scrn, depth, data, width, height, bm_pad) |
21 |
> |
make_raster(disp, vis, npixbits, data, width, height, bm_pad) |
22 |
|
Display *disp; |
23 |
< |
int scrn; |
24 |
< |
int depth; |
23 |
> |
XVisualInfo *vis; |
24 |
> |
int npixbits; |
25 |
|
char *data; |
26 |
|
int width, height; |
27 |
|
int bm_pad; |
28 |
|
{ |
29 |
+ |
static long swaptest = 1; |
30 |
|
register XRASTER *xr; |
31 |
< |
XVisualInfo ourvinfo; |
31 |
< |
/* Pick appropriate Visual */ |
32 |
< |
if (depth == 1) { |
33 |
< |
ourvinfo.visual = DefaultVisual(disp,scrn); |
34 |
< |
} else if (depth == 8) { |
35 |
< |
if (!XMatchVisualInfo(disp,scrn,8,PseudoColor,&ourvinfo)) |
36 |
< |
return(NULL); |
37 |
< |
} else if (depth > 12) { |
38 |
< |
if (!XMatchVisualInfo(disp,scrn,24,TrueColor,&ourvinfo)) |
39 |
< |
return(NULL); |
40 |
< |
} else |
41 |
< |
return(NULL); |
31 |
> |
|
32 |
|
if ((xr = (XRASTER *)calloc(1, sizeof(XRASTER))) == NULL) |
33 |
|
return(NULL); |
34 |
|
xr->disp = disp; |
35 |
< |
xr->screen = scrn; |
36 |
< |
xr->visual = ourvinfo.visual; |
37 |
< |
xr->image = XCreateImage(disp,ourvinfo.visual,depth, |
38 |
< |
ZPixmap,0,data,width,height,bm_pad,0); |
39 |
< |
xr->gc = XCreateGC(disp, RootWindow(disp,scrn), 0, 0); |
40 |
< |
XSetState(disp, xr->gc, BlackPixel(disp,scrn), WhitePixel(disp,scrn), |
41 |
< |
GXcopy, AllPlanes); |
35 |
> |
xr->screen = vis->screen; |
36 |
> |
xr->visual = vis->visual; |
37 |
> |
if (npixbits == 1) |
38 |
> |
xr->image = XCreateImage(disp,vis->visual,1, |
39 |
> |
XYBitmap,0,data,width,height,bm_pad,0); |
40 |
> |
else |
41 |
> |
xr->image = XCreateImage(disp,vis->visual,vis->depth, |
42 |
> |
ZPixmap,0,data,width,height,bm_pad,0); |
43 |
> |
xr->image->bitmap_bit_order = MSBFirst; |
44 |
> |
xr->image->bitmap_unit = bm_pad; |
45 |
> |
xr->image->byte_order = *(char *)&swaptest ? LSBFirst : MSBFirst; |
46 |
> |
if (vis->depth >= 24 && (xr->image->red_mask != 0xff || |
47 |
> |
xr->image->green_mask != 0xff00 || |
48 |
> |
xr->image->blue_mask != 0xff0000) && |
49 |
> |
(xr->image->red_mask != 0xff0000 || |
50 |
> |
xr->image->green_mask != 0xff00 || |
51 |
> |
xr->image->blue_mask != 0xff)) { |
52 |
> |
xr->image->red_mask = 0xff; |
53 |
> |
xr->image->green_mask = 0xff00; |
54 |
> |
xr->image->blue_mask = 0xff0000; |
55 |
> |
} |
56 |
> |
xr->gc = 0; |
57 |
|
return(xr); |
58 |
|
} |
59 |
|
|
61 |
|
int |
62 |
|
init_rcolors(xr, rmap, gmap, bmap) /* initialize colors */ |
63 |
|
register XRASTER *xr; |
64 |
< |
unsigned char rmap[256], gmap[256], bmap[256]; |
64 |
> |
int rmap[256], gmap[256], bmap[256]; |
65 |
|
{ |
66 |
|
register unsigned char *p; |
67 |
|
register int i; |
68 |
|
|
69 |
< |
if (xr->image->depth != 8 || xr->ncolors != 0) |
69 |
> |
if (xr->image->depth > 8 || xr->ncolors != 0) |
70 |
|
return(xr->ncolors); |
71 |
|
xr->pmap = (short *)malloc(256*sizeof(short)); |
72 |
|
if (xr->pmap == NULL) |
95 |
|
} |
96 |
|
|
97 |
|
|
98 |
+ |
Colormap |
99 |
+ |
newcmap(disp, scrn, w, vis) /* get colormap and fix b & w */ |
100 |
+ |
Display *disp; |
101 |
+ |
int scrn; |
102 |
+ |
Window w; |
103 |
+ |
Visual *vis; |
104 |
+ |
{ |
105 |
+ |
XColor thiscolor; |
106 |
+ |
unsigned long *pixels; |
107 |
+ |
Colormap cmap; |
108 |
+ |
int n; |
109 |
+ |
register int i, j; |
110 |
+ |
|
111 |
+ |
cmap = XCreateColormap(disp, w, vis, AllocNone); |
112 |
+ |
if (cmap == 0) |
113 |
+ |
return(0); |
114 |
+ |
pixels=(unsigned long *)malloc(vis->map_entries*sizeof(unsigned long)); |
115 |
+ |
if (pixels == NULL) |
116 |
+ |
return(0); |
117 |
+ |
for (n = vis->map_entries; n > 0; n--) |
118 |
+ |
if (XAllocColorCells(disp, cmap, 0, NULL, 0, pixels, n) != 0) |
119 |
+ |
break; |
120 |
+ |
if (n == 0) |
121 |
+ |
return(0); |
122 |
+ |
/* reset black and white */ |
123 |
+ |
for (i = 0; i < n; i++) { |
124 |
+ |
if (pixels[i] != BlackPixel(disp,scrn) |
125 |
+ |
&& pixels[i] != WhitePixel(disp,scrn)) |
126 |
+ |
continue; |
127 |
+ |
thiscolor.pixel = pixels[i]; |
128 |
+ |
thiscolor.flags = DoRed|DoGreen|DoBlue; |
129 |
+ |
XQueryColor(disp, DefaultColormap(disp,scrn), &thiscolor); |
130 |
+ |
XStoreColor(disp, cmap, &thiscolor); |
131 |
+ |
for (j = i; j+1 < n; j++) |
132 |
+ |
pixels[j] = pixels[j+1]; |
133 |
+ |
n--; |
134 |
+ |
i--; |
135 |
+ |
} |
136 |
+ |
XFreeColors(disp, cmap, pixels, n, 0); |
137 |
+ |
free((char *)pixels); |
138 |
+ |
return(cmap); |
139 |
+ |
} |
140 |
+ |
|
141 |
+ |
|
142 |
|
unsigned long * |
143 |
|
map_rcolors(xr, w) /* get and assign pixels */ |
144 |
|
register XRASTER *xr; |
146 |
|
{ |
147 |
|
register int i; |
148 |
|
register unsigned char *p; |
100 |
– |
int j; |
149 |
|
|
150 |
< |
if (xr->ncolors == 0 || xr->image->depth != 8) |
150 |
> |
if (xr->ncolors == 0 || xr->image->depth > 8) |
151 |
|
return(NULL); |
152 |
|
if (xr->pixels != NULL) |
153 |
|
return(xr->pixels); |
154 |
|
xr->pixels = (unsigned long *)malloc(xr->ncolors*sizeof(unsigned long)); |
155 |
|
if (xr->pixels == NULL) |
156 |
|
return(NULL); |
157 |
< |
if (xr->visual == DefaultVisual(xr->disp, xr->screen)) { |
157 |
> |
if (xr->visual == DefaultVisual(xr->disp, xr->screen)) |
158 |
|
xr->cmap = DefaultColormap(xr->disp, xr->screen); |
159 |
< |
goto gotmap; |
160 |
< |
} |
161 |
< |
getmap: |
162 |
< |
xr->cmap = XCreateColormap(xr->disp, w, xr->visual, AllocNone); |
115 |
< |
gotmap: |
116 |
< |
if (XAllocColorCells(xr->disp, xr->cmap, 0, |
117 |
< |
&j, 0, xr->pixels, xr->ncolors) == 0) { |
159 |
> |
else |
160 |
> |
xr->cmap = newcmap(xr->disp, xr->screen, w, xr->visual); |
161 |
> |
while (XAllocColorCells(xr->disp, xr->cmap, 0, |
162 |
> |
NULL, 0, xr->pixels, xr->ncolors) == 0) |
163 |
|
if (xr->cmap == DefaultColormap(xr->disp, xr->screen)) |
164 |
< |
goto getmap; |
165 |
< |
free((char *)xr->pixels); |
166 |
< |
xr->pixels = NULL; |
167 |
< |
return(NULL); |
168 |
< |
} |
164 |
> |
xr->cmap = newcmap(xr->disp, xr->screen, w, xr->visual); |
165 |
> |
else { |
166 |
> |
free((char *)xr->pixels); |
167 |
> |
xr->pixels = NULL; |
168 |
> |
return(NULL); |
169 |
> |
} |
170 |
|
for (i = 0; i < xr->ncolors; i++) |
171 |
|
if (xr->pmap[xr->pixels[i]] == -1) |
172 |
|
break; |
190 |
|
|
191 |
|
|
192 |
|
Pixmap |
193 |
< |
make_rpixmap(xr) /* make pixmap for raster */ |
193 |
> |
make_rpixmap(xr, w) /* make pixmap for raster */ |
194 |
|
register XRASTER *xr; |
195 |
+ |
Window w; |
196 |
|
{ |
197 |
+ |
XWindowAttributes xwattr; |
198 |
|
Pixmap pm; |
199 |
|
|
200 |
|
if (xr->pm != 0) |
201 |
|
return(xr->pm); |
202 |
< |
pm = XCreatePixmap(xr->disp, RootWindow(xr->disp, xr->screen), |
203 |
< |
xr->image->width, xr->image->height, xr->image->depth); |
202 |
> |
XGetWindowAttributes(xr->disp, w, &xwattr); |
203 |
> |
pm = XCreatePixmap(xr->disp, w, |
204 |
> |
xr->image->width, xr->image->height, |
205 |
> |
xwattr.depth); |
206 |
|
if (pm == 0) |
207 |
|
return(0); |
208 |
|
put_raster(pm, 0, 0, xr); |
233 |
|
if (ysrc + height > xr->image->height) |
234 |
|
height = xr->image->height - ysrc; |
235 |
|
|
236 |
+ |
if (xr->gc == 0) { |
237 |
+ |
xr->gc = XCreateGC(xr->disp, d, 0, 0); |
238 |
+ |
XSetState(xr->disp, xr->gc, BlackPixel(xr->disp,xr->screen), |
239 |
+ |
WhitePixel(xr->disp,xr->screen), GXcopy, AllPlanes); |
240 |
+ |
} |
241 |
|
if (xr->pm == 0) |
242 |
|
XPutImage(xr->disp, d, xr->gc, xr->image, xsrc, ysrc, |
243 |
|
xdst, ydst, width, height); |
280 |
|
free((char *)xr->cdefs); |
281 |
|
} |
282 |
|
XDestroyImage(xr->image); |
283 |
< |
XFreeGC(xr->disp, xr->gc); |
283 |
> |
if (xr->gc != 0) |
284 |
> |
XFreeGC(xr->disp, xr->gc); |
285 |
|
free((char *)xr); |
286 |
|
} |