57 |
/* endianness */ |
/* endianness */ |
58 |
static BOOL g_host_be; |
static BOOL g_host_be; |
59 |
static BOOL g_xserver_be; |
static BOOL g_xserver_be; |
60 |
static BOOL g_xserver_bgr; |
static int g_red_shift_r, g_blue_shift_r, g_green_shift_r; |
61 |
|
static int g_red_shift_l, g_blue_shift_l, g_green_shift_l; |
62 |
|
|
63 |
/* software backing store */ |
/* software backing store */ |
64 |
static BOOL g_ownbackstore; |
static BOOL g_ownbackstore; |
114 |
static Colormap g_xcolmap; |
static Colormap g_xcolmap; |
115 |
static uint32 *g_colmap = NULL; |
static uint32 *g_colmap = NULL; |
116 |
|
|
117 |
#define TRANSLATE(col) ( g_server_bpp != 8 ? translate_colour(col) : g_owncolmap ? col : translate_colour(g_colmap[col]) ) |
#define TRANSLATE(col) ( g_server_bpp != 8 ? translate_colour(col) : g_owncolmap ? col : g_colmap[col] ) |
118 |
#define SET_FOREGROUND(col) XSetForeground(g_display, g_gc, TRANSLATE(col)); |
#define SET_FOREGROUND(col) XSetForeground(g_display, g_gc, TRANSLATE(col)); |
119 |
#define SET_BACKGROUND(col) XSetBackground(g_display, g_gc, TRANSLATE(col)); |
#define SET_BACKGROUND(col) XSetBackground(g_display, g_gc, TRANSLATE(col)); |
120 |
|
|
199 |
} |
} |
200 |
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|
201 |
static uint32 |
static uint32 |
202 |
make_colour16(PixelColour pc) |
make_colour(PixelColour pc) |
203 |
{ |
{ |
204 |
pc.red = (pc.red * 0x1f) / 0xff; |
return (((pc.red >> g_red_shift_r) << g_red_shift_l) |
205 |
pc.green = (pc.green * 0x3f) / 0xff; |
| ((pc.green >> g_green_shift_r) << g_green_shift_l) |
206 |
pc.blue = (pc.blue * 0x1f) / 0xff; |
| ((pc.blue >> g_blue_shift_r) << g_blue_shift_l)); |
|
if (g_xserver_bgr) |
|
|
return (pc.blue << 11) | (pc.green << 5) | pc.red; |
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else |
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return (pc.red << 11) | (pc.green << 5) | pc.blue; |
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} |
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static uint32 |
|
|
make_colour24(PixelColour pc) |
|
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{ |
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if (g_xserver_bgr) |
|
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return (pc.blue << 16) | (pc.green << 8) | pc.red; |
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else |
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return (pc.red << 16) | (pc.green << 8) | pc.blue; |
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} |
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static uint32 |
|
|
make_colour32(PixelColour pc) |
|
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{ |
|
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if (g_xserver_bgr) |
|
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return (pc.blue << 16) | (pc.green << 8) | pc.red; |
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else |
|
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return (pc.red << 16) | (pc.green << 8) | pc.blue; |
|
207 |
} |
} |
208 |
|
|
209 |
#define BSWAP16(x) { x = (((x & 0xff) << 8) | (x >> 8)); } |
#define BSWAP16(x) { x = (((x & 0xff) << 8) | (x >> 8)); } |
214 |
static uint32 |
static uint32 |
215 |
translate_colour(uint32 colour) |
translate_colour(uint32 colour) |
216 |
{ |
{ |
217 |
|
PixelColour pc; |
218 |
switch (g_server_bpp) |
switch (g_server_bpp) |
219 |
{ |
{ |
220 |
case 15: |
case 15: |
221 |
switch (g_bpp) |
pc = split_colour15(colour); |
|
{ |
|
|
case 16: |
|
|
colour = make_colour16(split_colour15(colour)); |
|
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break; |
|
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case 24: |
|
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colour = make_colour24(split_colour15(colour)); |
|
|
break; |
|
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case 32: |
|
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colour = make_colour32(split_colour15(colour)); |
|
|
break; |
|
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} |
|
222 |
break; |
break; |
223 |
case 16: |
case 16: |
224 |
switch (g_bpp) |
pc = split_colour16(colour); |
|
{ |
|
|
case 16: |
|
|
break; |
|
|
case 24: |
|
|
colour = make_colour24(split_colour16(colour)); |
|
|
break; |
|
|
case 32: |
|
|
colour = make_colour32(split_colour16(colour)); |
|
|
break; |
|
|
} |
|
225 |
break; |
break; |
226 |
case 24: |
case 24: |
227 |
switch (g_bpp) |
pc = split_colour24(colour); |
|
{ |
|
|
case 16: |
|
|
colour = make_colour16(split_colour24(colour)); |
|
|
break; |
|
|
case 24: |
|
|
colour = make_colour24(split_colour24(colour)); |
|
|
break; |
|
|
case 32: |
|
|
colour = make_colour32(split_colour24(colour)); |
|
|
break; |
|
|
} |
|
228 |
break; |
break; |
229 |
} |
} |
230 |
return colour; |
return make_colour(pc); |
231 |
} |
} |
232 |
|
|
233 |
static void |
static void |
327 |
BSWAP16(pixel); |
BSWAP16(pixel); |
328 |
} |
} |
329 |
|
|
330 |
value = make_colour16(split_colour15(pixel)); |
value = make_colour(split_colour15(pixel)); |
331 |
|
|
332 |
if (g_xserver_be) |
if (g_xserver_be) |
333 |
{ |
{ |
357 |
BSWAP16(pixel); |
BSWAP16(pixel); |
358 |
} |
} |
359 |
|
|
360 |
value = make_colour24(split_colour15(pixel)); |
value = make_colour(split_colour15(pixel)); |
361 |
if (g_xserver_be) |
if (g_xserver_be) |
362 |
{ |
{ |
363 |
*(out++) = value >> 16; |
*(out++) = value >> 16; |
388 |
BSWAP16(pixel); |
BSWAP16(pixel); |
389 |
} |
} |
390 |
|
|
391 |
value = make_colour32(split_colour15(pixel)); |
value = make_colour(split_colour15(pixel)); |
392 |
|
|
393 |
if (g_xserver_be) |
if (g_xserver_be) |
394 |
{ |
{ |
451 |
BSWAP16(pixel); |
BSWAP16(pixel); |
452 |
} |
} |
453 |
|
|
454 |
value = make_colour24(split_colour16(pixel)); |
value = make_colour(split_colour16(pixel)); |
455 |
|
|
456 |
if (g_xserver_be) |
if (g_xserver_be) |
457 |
{ |
{ |
482 |
{ |
{ |
483 |
BSWAP16(pixel)} |
BSWAP16(pixel)} |
484 |
|
|
485 |
value = make_colour32(split_colour16(pixel)); |
value = make_colour(split_colour16(pixel)); |
486 |
|
|
487 |
if (g_xserver_be) |
if (g_xserver_be) |
488 |
{ |
{ |
512 |
pixel |= *(data++) << 8; |
pixel |= *(data++) << 8; |
513 |
pixel |= *(data++); |
pixel |= *(data++); |
514 |
|
|
515 |
value = (uint16) make_colour16(split_colour24(pixel)); |
value = (uint16) make_colour(split_colour24(pixel)); |
516 |
|
|
517 |
if (g_xserver_be) |
if (g_xserver_be) |
518 |
{ |
{ |
656 |
return (state & keysymMask) ? True : False; |
return (state & keysymMask) ? True : False; |
657 |
} |
} |
658 |
|
|
659 |
|
static void |
660 |
|
calculate_shifts(uint32 mask, int *shift_r, int *shift_l) |
661 |
|
{ |
662 |
|
*shift_l = ffs(mask) - 1; |
663 |
|
mask >>= *shift_l; |
664 |
|
*shift_r = 8 - ffs(mask & ~(mask >> 1)); |
665 |
|
} |
666 |
|
|
667 |
BOOL |
BOOL |
668 |
ui_init(void) |
ui_init(void) |
669 |
{ |
{ |
670 |
|
XVisualInfo vi; |
671 |
XPixmapFormatValues *pfm; |
XPixmapFormatValues *pfm; |
672 |
uint16 test; |
uint16 test; |
673 |
int i; |
int i, screen_num; |
674 |
|
|
675 |
g_display = XOpenDisplay(NULL); |
g_display = XOpenDisplay(NULL); |
676 |
if (g_display == NULL) |
if (g_display == NULL) |
679 |
return False; |
return False; |
680 |
} |
} |
681 |
|
|
682 |
|
screen_num = DefaultScreen(g_display); |
683 |
g_x_socket = ConnectionNumber(g_display); |
g_x_socket = ConnectionNumber(g_display); |
684 |
g_screen = DefaultScreenOfDisplay(g_display); |
g_screen = ScreenOfDisplay(g_display, screen_num); |
|
g_visual = DefaultVisualOfScreen(g_screen); |
|
685 |
g_depth = DefaultDepthOfScreen(g_screen); |
g_depth = DefaultDepthOfScreen(g_screen); |
686 |
|
|
687 |
|
if (g_server_bpp == 8) |
688 |
|
{ |
689 |
|
/* we use a colourmap, so any visual should do */ |
690 |
|
g_visual = DefaultVisualOfScreen(g_screen); |
691 |
|
} |
692 |
|
else |
693 |
|
{ |
694 |
|
/* need a truecolour visual */ |
695 |
|
if (!XMatchVisualInfo(g_display, screen_num, g_depth, TrueColor, &vi)) |
696 |
|
{ |
697 |
|
error("The display does not support true colour - high colour support unavailable.\n"); |
698 |
|
return False; |
699 |
|
} |
700 |
|
|
701 |
|
g_visual = vi.visual; |
702 |
|
g_owncolmap = False; |
703 |
|
calculate_shifts(vi.red_mask, &g_red_shift_r, &g_red_shift_l); |
704 |
|
calculate_shifts(vi.blue_mask, &g_blue_shift_r, &g_blue_shift_l); |
705 |
|
calculate_shifts(vi.green_mask, &g_green_shift_r, &g_green_shift_l); |
706 |
|
} |
707 |
|
|
708 |
pfm = XListPixmapFormats(g_display, &i); |
pfm = XListPixmapFormats(g_display, &i); |
709 |
if (pfm != NULL) |
if (pfm != NULL) |
710 |
{ |
{ |
727 |
return False; |
return False; |
728 |
} |
} |
729 |
|
|
|
/* private colour map code only works for 8 bpp */ |
|
|
if (g_owncolmap && (g_bpp > 8)) |
|
|
g_owncolmap = False; |
|
|
|
|
730 |
if (!g_owncolmap) |
if (!g_owncolmap) |
731 |
{ |
{ |
732 |
g_xcolmap = DefaultColormapOfScreen(g_screen); |
g_xcolmap = DefaultColormapOfScreen(g_screen); |
742 |
test = 1; |
test = 1; |
743 |
g_host_be = !(BOOL) (*(uint8 *) (&test)); |
g_host_be = !(BOOL) (*(uint8 *) (&test)); |
744 |
g_xserver_be = (ImageByteOrder(g_display) == MSBFirst); |
g_xserver_be = (ImageByteOrder(g_display) == MSBFirst); |
|
g_xserver_bgr = (g_visual->blue_mask > g_visual->red_mask); |
|
745 |
|
|
746 |
/* |
/* |
747 |
* Determine desktop size |
* Determine desktop size |
1546 |
|
|
1547 |
} |
} |
1548 |
|
|
1549 |
|
map[i] = colour; |
|
/* byte swap here to make translate_image faster */ |
|
|
map[i] = translate_colour(colour); |
|
1550 |
} |
} |
1551 |
return map; |
return map; |
1552 |
} |
} |