79 |
} |
} |
80 |
|
|
81 |
/* colour maps */ |
/* colour maps */ |
82 |
|
BOOL owncolmap = False; |
83 |
static Colormap xcolmap; |
static Colormap xcolmap; |
84 |
static uint32 *colmap; |
static uint32 *colmap; |
85 |
|
|
86 |
#define SET_FOREGROUND(col) XSetForeground(display, gc, translate_colour(colmap[col])); |
#define TRANSLATE(col) ( owncolmap ? col : translate_colour(colmap[col]) ) |
87 |
#define SET_BACKGROUND(col) XSetBackground(display, gc, translate_colour(colmap[col])); |
#define SET_FOREGROUND(col) XSetForeground(display, gc, TRANSLATE(col)); |
88 |
|
#define SET_BACKGROUND(col) XSetBackground(display, gc, TRANSLATE(col)); |
89 |
|
|
90 |
static int rop2_map[] = { |
static int rop2_map[] = { |
91 |
GXclear, /* 0 */ |
GXclear, /* 0 */ |
291 |
return False; |
return False; |
292 |
} |
} |
293 |
|
|
294 |
xcolmap = DefaultColormapOfScreen(screen); |
if (owncolmap != True) |
295 |
|
{ |
296 |
|
xcolmap = DefaultColormapOfScreen(screen); |
297 |
|
if (depth <= 8) |
298 |
|
{ |
299 |
|
printf("You're using a screen depth of 8-bits or lower\n"); |
300 |
|
printf("If you get scewed colours, try the -C switch\n"); |
301 |
|
} |
302 |
|
} |
303 |
|
|
304 |
gc = XCreateGC(display, RootWindowOfScreen(screen), 0, NULL); |
gc = XCreateGC(display, RootWindowOfScreen(screen), 0, NULL); |
305 |
|
|
306 |
if (DoesBackingStore(screen) != Always) |
if (DoesBackingStore(screen) != Always) |
722 |
Pixmap bitmap; |
Pixmap bitmap; |
723 |
uint8 *tdata; |
uint8 *tdata; |
724 |
|
|
725 |
tdata = translate_image(width, height, data); |
tdata = (owncolmap ? data : translate_image(width, height, data)); |
726 |
bitmap = XCreatePixmap(display, wnd, width, height, depth); |
bitmap = XCreatePixmap(display, wnd, width, height, depth); |
727 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
728 |
(char *) tdata, width, height, 8, 0); |
(char *) tdata, width, height, 8, 0); |
730 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
731 |
|
|
732 |
XFree(image); |
XFree(image); |
733 |
xfree(tdata); |
if (!owncolmap) |
734 |
|
xfree(tdata); |
735 |
return (HBITMAP) bitmap; |
return (HBITMAP) bitmap; |
736 |
} |
} |
737 |
|
|
741 |
XImage *image; |
XImage *image; |
742 |
uint8 *tdata; |
uint8 *tdata; |
743 |
|
|
744 |
tdata = translate_image(width, height, data); |
tdata = (owncolmap ? data : translate_image(width, height, data)); |
745 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
746 |
(char *) tdata, width, height, 8, 0); |
(char *) tdata, width, height, 8, 0); |
747 |
|
|
756 |
} |
} |
757 |
|
|
758 |
XFree(image); |
XFree(image); |
759 |
xfree(tdata); |
if (!owncolmap) |
760 |
|
xfree(tdata); |
761 |
} |
} |
762 |
|
|
763 |
void |
void |
888 |
(xc)->blue = ((c)->blue << 8) | (c)->blue; \ |
(xc)->blue = ((c)->blue << 8) | (c)->blue; \ |
889 |
(xc)->flags = DoRed | DoGreen | DoBlue; |
(xc)->flags = DoRed | DoGreen | DoBlue; |
890 |
|
|
891 |
|
|
892 |
HCOLOURMAP |
HCOLOURMAP |
893 |
ui_create_colourmap(COLOURMAP * colours) |
ui_create_colourmap(COLOURMAP * colours) |
894 |
{ |
{ |
895 |
COLOURENTRY *entry; |
COLOURENTRY *entry; |
896 |
int i, ncolours = colours->ncolours; |
int i, ncolours = colours->ncolours; |
897 |
uint32 *map = xmalloc(sizeof(*colmap) * ncolours); |
if (!owncolmap) |
|
XColor xentry; |
|
|
XColor xc_cache[256]; |
|
|
uint32 colour; |
|
|
int colLookup = 256; |
|
|
for (i = 0; i < ncolours; i++) |
|
898 |
{ |
{ |
899 |
entry = &colours->colours[i]; |
uint32 *map = xmalloc(sizeof(*colmap) * ncolours); |
900 |
MAKE_XCOLOR(&xentry, entry); |
XColor xentry; |
901 |
|
XColor xc_cache[256]; |
902 |
if (XAllocColor(display, xcolmap, &xentry) == 0) |
uint32 colour; |
903 |
|
int colLookup = 256; |
904 |
|
for (i = 0; i < ncolours; i++) |
905 |
{ |
{ |
906 |
/* Allocation failed, find closest match. */ |
entry = &colours->colours[i]; |
907 |
int j = 256; |
MAKE_XCOLOR(&xentry, entry); |
|
int nMinDist = 3 * 256 * 256; |
|
|
long nDist = nMinDist; |
|
908 |
|
|
909 |
/* only get the colors once */ |
if (XAllocColor(display, xcolmap, &xentry) == 0) |
|
while (colLookup--) |
|
910 |
{ |
{ |
911 |
xc_cache[colLookup].pixel = colLookup; |
/* Allocation failed, find closest match. */ |
912 |
xc_cache[colLookup].red = xc_cache[colLookup].green = |
int j = 256; |
913 |
xc_cache[colLookup].blue = 0; |
int nMinDist = 3 * 256 * 256; |
914 |
xc_cache[colLookup].flags = 0; |
long nDist = nMinDist; |
|
XQueryColor(display, |
|
|
DefaultColormap(display, DefaultScreen(display)), |
|
|
&xc_cache[colLookup]); |
|
|
} |
|
|
colLookup = 0; |
|
915 |
|
|
916 |
/* approximate the pixel */ |
/* only get the colors once */ |
917 |
while (j--) |
while (colLookup--) |
|
{ |
|
|
if (xc_cache[j].flags) |
|
918 |
{ |
{ |
919 |
nDist = ((long) (xc_cache[j].red >> 8) - |
xc_cache[colLookup].pixel = colLookup; |
920 |
(long) (xentry.red >> 8)) * |
xc_cache[colLookup].red = xc_cache[colLookup].green = |
921 |
((long) (xc_cache[j].red >> 8) - |
xc_cache[colLookup].blue = 0; |
922 |
(long) (xentry.red >> 8)) + |
xc_cache[colLookup].flags = 0; |
923 |
((long) (xc_cache[j].green >> 8) - |
XQueryColor(display, |
924 |
(long) (xentry.green >> 8)) * |
DefaultColormap(display, |
925 |
((long) (xc_cache[j].green >> 8) - |
DefaultScreen(display)), |
926 |
(long) (xentry.green >> 8)) + |
&xc_cache[colLookup]); |
|
((long) (xc_cache[j].blue >> 8) - |
|
|
(long) (xentry.blue >> 8)) * |
|
|
((long) (xc_cache[j].blue >> 8) - |
|
|
(long) (xentry.blue >> 8)); |
|
927 |
} |
} |
928 |
if (nDist < nMinDist) |
colLookup = 0; |
929 |
|
|
930 |
|
/* approximate the pixel */ |
931 |
|
while (j--) |
932 |
{ |
{ |
933 |
nMinDist = nDist; |
if (xc_cache[j].flags) |
934 |
xentry.pixel = j; |
{ |
935 |
|
nDist = ((long) (xc_cache[j].red >> 8) - |
936 |
|
(long) (xentry.red >> 8)) * |
937 |
|
((long) (xc_cache[j].red >> 8) - |
938 |
|
(long) (xentry.red >> 8)) + |
939 |
|
((long) (xc_cache[j].green >> 8) - |
940 |
|
(long) (xentry.green >> 8)) * |
941 |
|
((long) (xc_cache[j].green >> 8) - |
942 |
|
(long) (xentry.green >> 8)) + |
943 |
|
((long) (xc_cache[j].blue >> 8) - |
944 |
|
(long) (xentry.blue >> 8)) * |
945 |
|
((long) (xc_cache[j].blue >> 8) - |
946 |
|
(long) (xentry.blue >> 8)); |
947 |
|
} |
948 |
|
if (nDist < nMinDist) |
949 |
|
{ |
950 |
|
nMinDist = nDist; |
951 |
|
xentry.pixel = j; |
952 |
|
} |
953 |
} |
} |
954 |
} |
} |
955 |
|
colour = xentry.pixel; |
956 |
|
|
957 |
|
/* update our cache */ |
958 |
|
if (xentry.pixel < 256) |
959 |
|
{ |
960 |
|
xc_cache[xentry.pixel].red = xentry.red; |
961 |
|
xc_cache[xentry.pixel].green = xentry.green; |
962 |
|
xc_cache[xentry.pixel].blue = xentry.blue; |
963 |
|
|
964 |
|
} |
965 |
|
|
966 |
|
|
967 |
|
/* byte swap here to make translate_image faster */ |
968 |
|
map[i] = translate_colour(colour); |
969 |
} |
} |
970 |
colour = xentry.pixel; |
return map; |
971 |
|
} |
972 |
|
else |
973 |
|
{ |
974 |
|
XColor *xcolours, *xentry; |
975 |
|
Colormap map; |
976 |
|
|
977 |
/* update our cache */ |
xcolours = xmalloc(sizeof(XColor) * ncolours); |
978 |
if (xentry.pixel < 256) |
for (i = 0; i < ncolours; i++) |
979 |
{ |
{ |
980 |
xc_cache[xentry.pixel].red = xentry.red; |
entry = &colours->colours[i]; |
981 |
xc_cache[xentry.pixel].green = xentry.green; |
xentry = &xcolours[i]; |
982 |
xc_cache[xentry.pixel].blue = xentry.blue; |
xentry->pixel = i; |
983 |
|
MAKE_XCOLOR(xentry, entry); |
984 |
} |
} |
985 |
|
|
986 |
|
map = XCreateColormap(display, wnd, visual, AllocAll); |
987 |
|
XStoreColors(display, map, xcolours, ncolours); |
988 |
|
|
989 |
/* byte swap here to make translate_image faster */ |
xfree(xcolours); |
990 |
map[i] = translate_colour(colour); |
return (HCOLOURMAP) map; |
991 |
} |
} |
|
|
|
|
return map; |
|
992 |
} |
} |
993 |
|
|
994 |
void |
void |
995 |
ui_destroy_colourmap(HCOLOURMAP map) |
ui_destroy_colourmap(HCOLOURMAP map) |
996 |
{ |
{ |
997 |
xfree(map); |
if (!owncolmap) |
998 |
|
xfree(map); |
999 |
|
else |
1000 |
|
XFreeColormap(display, (Colormap) map); |
1001 |
} |
} |
1002 |
|
|
1003 |
void |
void |
1004 |
ui_set_colourmap(HCOLOURMAP map) |
ui_set_colourmap(HCOLOURMAP map) |
1005 |
{ |
{ |
1006 |
colmap = map; |
if (!owncolmap) |
1007 |
|
colmap = map; |
1008 |
|
else |
1009 |
|
XSetWindowColormap(display, wnd, (Colormap) map); |
1010 |
} |
} |
1011 |
|
|
1012 |
void |
void |