| 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)) |
| 37 |
> |
} else if (depth == 24) { |
| 38 |
> |
if (!XMatchVisualInfo(disp,scrn,24,TrueColor,&ourvinfo) && |
| 39 |
> |
!XMatchVisualInfo(disp,scrn,24,DirectColor,&ourvinfo)) |
| 40 |
|
return(NULL); |
| 41 |
|
} else |
| 42 |
|
return(NULL); |
| 46 |
|
xr->screen = scrn; |
| 47 |
|
xr->visual = ourvinfo.visual; |
| 48 |
|
xr->image = XCreateImage(disp,ourvinfo.visual,depth, |
| 49 |
< |
ZPixmap,0,data,width,height,bm_pad,0); |
| 49 |
> |
depth==1 ? XYBitmap : ZPixmap, |
| 50 |
> |
0,data,width,height,bm_pad,0); |
| 51 |
> |
xr->image->bitmap_bit_order = MSBFirst; |
| 52 |
> |
xr->image->byte_order = MSBFirst; |
| 53 |
> |
if (xr->image->bits_per_pixel == 32) { |
| 54 |
> |
xr->image->bytes_per_line = xr->image->bytes_per_line*24/32; |
| 55 |
> |
xr->image->bits_per_pixel = 24; |
| 56 |
> |
} |
| 57 |
|
xr->gc = XCreateGC(disp, RootWindow(disp,scrn), 0, 0); |
| 58 |
|
XSetState(disp, xr->gc, BlackPixel(disp,scrn), WhitePixel(disp,scrn), |
| 59 |
|
GXcopy, AllPlanes); |
| 64 |
|
int |
| 65 |
|
init_rcolors(xr, rmap, gmap, bmap) /* initialize colors */ |
| 66 |
|
register XRASTER *xr; |
| 67 |
< |
unsigned char rmap[256], gmap[256], bmap[256]; |
| 67 |
> |
int rmap[256], gmap[256], bmap[256]; |
| 68 |
|
{ |
| 69 |
|
register unsigned char *p; |
| 70 |
|
register int i; |
| 97 |
|
return(xr->ncolors); |
| 98 |
|
} |
| 99 |
|
|
| 100 |
+ |
Colormap |
| 101 |
+ |
newcmap(disp, scrn, w, vis) /* get colormap and fix b & w */ |
| 102 |
+ |
Display *disp; |
| 103 |
+ |
int scrn; |
| 104 |
+ |
Window w; |
| 105 |
+ |
Visual *vis; |
| 106 |
+ |
{ |
| 107 |
+ |
XColor thiscolor; |
| 108 |
+ |
unsigned long *pixels; |
| 109 |
+ |
Colormap cmap; |
| 110 |
+ |
int n; |
| 111 |
+ |
register int i, j; |
| 112 |
|
|
| 113 |
+ |
cmap = XCreateColormap(disp, w, vis, AllocNone); |
| 114 |
+ |
if (cmap == 0) |
| 115 |
+ |
return(0); |
| 116 |
+ |
pixels=(unsigned long *)malloc(vis->map_entries*sizeof(unsigned long)); |
| 117 |
+ |
if (pixels == NULL) |
| 118 |
+ |
return(0); |
| 119 |
+ |
for (n = vis->map_entries; n > 0; n--) |
| 120 |
+ |
if (XAllocColorCells(disp, cmap, 0, NULL, 0, pixels, n) != 0) |
| 121 |
+ |
break; |
| 122 |
+ |
if (n == 0) |
| 123 |
+ |
return(0); |
| 124 |
+ |
/* reset black and white */ |
| 125 |
+ |
for (i = 0; i < n; i++) { |
| 126 |
+ |
if (pixels[i] != BlackPixel(disp,scrn) |
| 127 |
+ |
&& pixels[i] != WhitePixel(disp,scrn)) |
| 128 |
+ |
continue; |
| 129 |
+ |
thiscolor.pixel = pixels[i]; |
| 130 |
+ |
thiscolor.flags = DoRed|DoGreen|DoBlue; |
| 131 |
+ |
XQueryColor(disp, DefaultColormap(disp,scrn), &thiscolor); |
| 132 |
+ |
XStoreColor(disp, cmap, &thiscolor); |
| 133 |
+ |
for (j = i; j+1 < n; j++) |
| 134 |
+ |
pixels[j] = pixels[j+1]; |
| 135 |
+ |
n--; |
| 136 |
+ |
i--; |
| 137 |
+ |
} |
| 138 |
+ |
XFreeColors(disp, cmap, pixels, n, 0); |
| 139 |
+ |
free((char *)pixels); |
| 140 |
+ |
return(cmap); |
| 141 |
+ |
} |
| 142 |
+ |
|
| 143 |
+ |
|
| 144 |
|
unsigned long * |
| 145 |
|
map_rcolors(xr, w) /* get and assign pixels */ |
| 146 |
|
register XRASTER *xr; |
| 148 |
|
{ |
| 149 |
|
register int i; |
| 150 |
|
register unsigned char *p; |
| 100 |
– |
int j; |
| 151 |
|
|
| 152 |
|
if (xr->ncolors == 0 || xr->image->depth != 8) |
| 153 |
|
return(NULL); |
| 156 |
|
xr->pixels = (unsigned long *)malloc(xr->ncolors*sizeof(unsigned long)); |
| 157 |
|
if (xr->pixels == NULL) |
| 158 |
|
return(NULL); |
| 159 |
< |
if (xr->visual == DefaultVisual(xr->disp, xr->screen)) { |
| 159 |
> |
if (xr->visual == DefaultVisual(xr->disp, xr->screen)) |
| 160 |
|
xr->cmap = DefaultColormap(xr->disp, xr->screen); |
| 161 |
< |
goto gotmap; |
| 162 |
< |
} |
| 163 |
< |
getmap: |
| 164 |
< |
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) { |
| 161 |
> |
else |
| 162 |
> |
xr->cmap = newcmap(xr->disp, xr->screen, w, xr->visual); |
| 163 |
> |
while (XAllocColorCells(xr->disp, xr->cmap, 0, |
| 164 |
> |
NULL, 0, xr->pixels, xr->ncolors) == 0) |
| 165 |
|
if (xr->cmap == DefaultColormap(xr->disp, xr->screen)) |
| 166 |
< |
goto getmap; |
| 167 |
< |
free((char *)xr->pixels); |
| 168 |
< |
xr->pixels = NULL; |
| 169 |
< |
return(NULL); |
| 170 |
< |
} |
| 166 |
> |
xr->cmap = newcmap(xr->disp, xr->screen, w, xr->visual); |
| 167 |
> |
else { |
| 168 |
> |
free((char *)xr->pixels); |
| 169 |
> |
xr->pixels = NULL; |
| 170 |
> |
return(NULL); |
| 171 |
> |
} |
| 172 |
|
for (i = 0; i < xr->ncolors; i++) |
| 173 |
|
if (xr->pmap[xr->pixels[i]] == -1) |
| 174 |
|
break; |
| 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); |
| 203 |
> |
xr->image->width, xr->image->height, |
| 204 |
> |
DisplayPlanes(xr->disp, xr->screen)); |
| 205 |
|
if (pm == 0) |
| 206 |
|
return(0); |
| 207 |
|
put_raster(pm, 0, 0, xr); |
