12 #include "kernel/openbox.h"
19 XVisualInfo render_visual_info
;
21 Visual
*render_visual
;
22 Colormap render_colormap
;
24 int render_red_offset
= 0, render_green_offset
= 0, render_blue_offset
= 0;
25 int render_red_shift
, render_green_shift
, render_blue_shift
;
26 int render_red_mask
, render_green_mask
, render_blue_mask
;
29 void render_startup(void)
31 render_depth
= DefaultDepth(ob_display
, ob_screen
);
32 render_visual
= DefaultVisual(ob_display
, ob_screen
);
33 render_colormap
= DefaultColormap(ob_display
, ob_screen
);
35 switch (render_visual
->class) {
43 pseudocolor_startup();
46 g_critical("unsupported visual class.\n");
51 void truecolor_startup(void)
53 unsigned long red_mask
, green_mask
, blue_mask
;
54 XImage
*timage
= NULL
;
56 timage
= XCreateImage(ob_display
, render_visual
, render_depth
,
57 ZPixmap
, 0, NULL
, 1, 1, 32, 0);
58 g_assert(timage
!= NULL
);
59 /* find the offsets for each color in the visual's masks */
60 render_red_mask
= red_mask
= timage
->red_mask
;
61 render_green_mask
= green_mask
= timage
->green_mask
;
62 render_blue_mask
= blue_mask
= timage
->blue_mask
;
64 render_red_offset
= 0;
65 render_green_offset
= 0;
66 render_blue_offset
= 0;
68 while (! (red_mask
& 1)) { render_red_offset
++; red_mask
>>= 1; }
69 while (! (green_mask
& 1)) { render_green_offset
++; green_mask
>>= 1; }
70 while (! (blue_mask
& 1)) { render_blue_offset
++; blue_mask
>>= 1; }
72 render_red_shift
= render_green_shift
= render_blue_shift
= 8;
73 while (red_mask
) { red_mask
>>= 1; render_red_shift
--; }
74 while (green_mask
) { green_mask
>>= 1; render_green_shift
--; }
75 while (blue_mask
) { blue_mask
>>= 1; render_blue_shift
--; }
79 void pseudocolor_startup(void)
82 int tr
, tg
, tb
, n
, r
, g
, b
, i
, incolors
, ii
;
85 g_message("Initializing PseudoColor RenderControl\n");
87 /* determine the number of colors and the bits-per-color */
88 pseudo_bpc
= 2; /* XXX THIS SHOULD BE A USER OPTION */
89 g_assert(pseudo_bpc
>= 1);
90 _ncolors
= pseudo_ncolors();
92 if (_ncolors
> 1 << render_depth
) {
93 g_warning("PseudoRenderControl: Invalid colormap size. Resizing.\n");
94 pseudo_bpc
= 1 << (render_depth
/3) >> 3;
95 _ncolors
= 1 << (pseudo_bpc
* 3);
98 /* build a color cube */
99 pseudo_colors
= malloc(_ncolors
* sizeof(XColor
));
100 cpc
= 1 << pseudo_bpc
; /* colors per channel */
102 for (n
= 0, r
= 0; r
< cpc
; r
++)
103 for (g
= 0; g
< cpc
; g
++)
104 for (b
= 0; b
< cpc
; b
++, n
++) {
105 tr
= (int)(((float)(r
)/(float)(cpc
-1)) * 0xFF);
106 tg
= (int)(((float)(g
)/(float)(cpc
-1)) * 0xFF);
107 tb
= (int)(((float)(b
)/(float)(cpc
-1)) * 0xFF);
108 pseudo_colors
[n
].red
= tr
| tr
<< 8;
109 pseudo_colors
[n
].green
= tg
| tg
<< 8;
110 pseudo_colors
[n
].blue
= tb
| tb
<< 8;
111 pseudo_colors
[n
].flags
= DoRed
|DoGreen
|DoBlue
; /* used to track
115 /* allocate the colors */
116 for (i
= 0; i
< _ncolors
; i
++)
117 if (!XAllocColor(ob_display
, render_colormap
, &pseudo_colors
[i
]))
118 pseudo_colors
[i
].flags
= 0; /* mark it as unallocated */
120 /* try allocate any colors that failed allocation above */
122 /* get the allocated values from the X server (only the first 256 XXX why!?)
124 incolors
= (((1 << render_depth
) > 256) ? 256 : (1 << render_depth
));
125 for (i
= 0; i
< incolors
; i
++)
126 icolors
[i
].pixel
= i
;
127 XQueryColors(ob_display
, render_colormap
, icolors
, incolors
);
129 /* try match unallocated ones */
130 for (i
= 0; i
< _ncolors
; i
++) {
131 if (!pseudo_colors
[i
].flags
) { /* if it wasn't allocated... */
132 unsigned long closest
= 0xffffffff, close
= 0;
133 for (ii
= 0; ii
< incolors
; ii
++) {
134 /* find deviations */
135 r
= (pseudo_colors
[i
].red
- icolors
[ii
].red
) & 0xff;
136 g
= (pseudo_colors
[i
].green
- icolors
[ii
].green
) & 0xff;
137 b
= (pseudo_colors
[i
].blue
- icolors
[ii
].blue
) & 0xff;
138 /* find a weighted absolute deviation */
139 dev
= (r
* r
) + (g
* g
) + (b
* b
);
147 pseudo_colors
[i
].red
= icolors
[close
].red
;
148 pseudo_colors
[i
].green
= icolors
[close
].green
;
149 pseudo_colors
[i
].blue
= icolors
[close
].blue
;
150 pseudo_colors
[i
].pixel
= icolors
[close
].pixel
;
152 /* try alloc this closest color, it had better succeed! */
153 if (XAllocColor(ob_display
, render_colormap
, &pseudo_colors
[i
]))
154 pseudo_colors
[i
].flags
= DoRed
|DoGreen
|DoBlue
; /* mark as alloced */
156 g_assert(FALSE
); /* wtf has gone wrong, its already alloced for
162 void paint(Window win
, Appearance
*l
, int w
, int h
)
164 int i
, transferred
= 0, sw
;
165 pixel32
*source
, *dest
;
167 Rect tarea
; /* area in which to draw textures */
170 if (w
<= 0 || h
<= 0) return;
172 resized
= (l
->w
!= w
|| l
->h
!= h
);
175 oldp
= l
->pixmap
; /* save to free after changing the visible pixmap */
176 l
->pixmap
= XCreatePixmap(ob_display
, ob_root
, w
, h
, render_depth
);
180 g_assert(l
->pixmap
!= None
);
184 if (l
->xftdraw
!= NULL
)
185 XftDrawDestroy(l
->xftdraw
);
186 l
->xftdraw
= XftDrawCreate(ob_display
, l
->pixmap
, render_visual
,
188 g_assert(l
->xftdraw
!= NULL
);
190 g_free(l
->surface
.pixel_data
);
191 l
->surface
.pixel_data
= g_new(pixel32
, w
* h
);
193 if (l
->surface
.grad
== Background_ParentRelative
) {
194 g_assert (l
->surface
.parent
);
195 g_assert (l
->surface
.parent
->w
);
197 sw
= l
->surface
.parent
->w
;
198 source
= (l
->surface
.parent
->surface
.pixel_data
+ l
->surface
.parentx
+
199 sw
* l
->surface
.parenty
);
200 dest
= l
->surface
.pixel_data
;
201 for (i
= 0; i
< h
; i
++, source
+= sw
, dest
+= w
) {
202 memcpy(dest
, source
, w
* sizeof(pixel32
));
205 else if (l
->surface
.grad
== Background_Solid
)
206 gradient_solid(l
, 0, 0, w
, h
);
207 else gradient_render(&l
->surface
, w
, h
);
209 RECT_SET(tarea
, 0, 0, w
, h
);
210 if (l
->surface
.grad
!= Background_ParentRelative
) {
211 if (l
->surface
.relief
!= Flat
) {
212 switch (l
->surface
.bevel
) {
214 tarea
.x
+= 1; tarea
.y
+= 1;
215 tarea
.width
-= 2; tarea
.height
-= 2;
218 tarea
.x
+= 2; tarea
.y
+= 2;
219 tarea
.width
-= 4; tarea
.height
-= 4;
222 } else if (l
->surface
.border
) {
223 tarea
.x
+= 1; tarea
.y
+= 1;
224 tarea
.width
-= 2; tarea
.height
-= 2;
228 for (i
= 0; i
< l
->textures
; i
++) {
229 switch (l
->texture
[i
].type
) {
235 if (l
->surface
.grad
!= Background_Solid
)
236 pixel32_to_pixmap(l
->surface
.pixel_data
,
237 l
->pixmap
, 0, 0, w
, h
);
239 if (l
->xftdraw
== NULL
) {
240 l
->xftdraw
= XftDrawCreate(ob_display
, l
->pixmap
,
241 render_visual
, render_colormap
);
243 font_draw(l
->xftdraw
, &l
->texture
[i
].data
.text
, &tarea
);
248 if (l
->surface
.grad
!= Background_Solid
)
249 pixel32_to_pixmap(l
->surface
.pixel_data
,
250 l
->pixmap
, 0, 0, w
, h
);
252 if (l
->texture
[i
].data
.mask
.color
->gc
== None
)
253 color_allocate_gc(l
->texture
[i
].data
.mask
.color
);
254 mask_draw(l
->pixmap
, &l
->texture
[i
].data
.mask
, &tarea
);
257 image_draw(l
->surface
.pixel_data
,
258 &l
->texture
[i
].data
.rgba
, &tarea
);
265 if (l
->surface
.grad
!= Background_Solid
)
266 pixel32_to_pixmap(l
->surface
.pixel_data
, l
->pixmap
, 0, 0, w
, h
);
270 XSetWindowBackgroundPixmap(ob_display
, win
, l
->pixmap
);
271 XClearWindow(ob_display
, win
);
272 if (oldp
) XFreePixmap(ob_display
, oldp
);
275 void render_shutdown(void)
279 Appearance
*appearance_new(int numtex
)
284 out
= g_new(Appearance
, 1);
285 out
->textures
= numtex
;
287 if (numtex
) out
->texture
= g_new0(Texture
, numtex
);
288 else out
->texture
= NULL
;
295 p
->border_color
= NULL
;
296 p
->bevel_dark
= NULL
;
297 p
->bevel_light
= NULL
;
298 p
->pixel_data
= NULL
;
302 Appearance
*appearance_copy(Appearance
*orig
)
305 Appearance
*copy
= g_new(Appearance
, 1);
307 spo
= &(orig
->surface
);
308 spc
= &(copy
->surface
);
309 spc
->grad
= spo
->grad
;
310 spc
->relief
= spo
->relief
;
311 spc
->bevel
= spo
->bevel
;
312 if (spo
->primary
!= NULL
)
313 spc
->primary
= color_new(spo
->primary
->r
,
316 else spc
->primary
= NULL
;
318 if (spo
->secondary
!= NULL
)
319 spc
->secondary
= color_new(spo
->secondary
->r
,
322 else spc
->secondary
= NULL
;
324 if (spo
->border_color
!= NULL
)
325 spc
->border_color
= color_new(spo
->border_color
->r
,
326 spo
->border_color
->g
,
327 spo
->border_color
->b
);
328 else spc
->border_color
= NULL
;
330 if (spo
->bevel_dark
!= NULL
)
331 spc
->bevel_dark
= color_new(spo
->bevel_dark
->r
,
334 else spc
->bevel_dark
= NULL
;
336 if (spo
->bevel_light
!= NULL
)
337 spc
->bevel_light
= color_new(spo
->bevel_light
->r
,
339 spo
->bevel_light
->b
);
340 else spc
->bevel_light
= NULL
;
342 spc
->interlaced
= spo
->interlaced
;
343 spc
->border
= spo
->border
;
344 spc
->pixel_data
= NULL
;
346 copy
->textures
= orig
->textures
;
347 copy
->texture
= g_memdup(orig
->texture
, orig
->textures
* sizeof(Texture
));
349 copy
->xftdraw
= NULL
;
350 copy
->w
= copy
->h
= 0;
354 void appearance_free(Appearance
*a
)
358 if (a
->pixmap
!= None
) XFreePixmap(ob_display
, a
->pixmap
);
359 if (a
->xftdraw
!= NULL
) XftDrawDestroy(a
->xftdraw
);
363 color_free(p
->primary
);
364 color_free(p
->secondary
);
365 color_free(p
->border_color
);
366 color_free(p
->bevel_dark
);
367 color_free(p
->bevel_light
);
368 g_free(p
->pixel_data
);
375 void pixel32_to_pixmap(pixel32
*in
, Pixmap out
, int x
, int y
, int w
, int h
)
379 im
= XCreateImage(ob_display
, render_visual
, render_depth
,
380 ZPixmap
, 0, NULL
, w
, h
, 32, 0);
381 g_assert(im
!= NULL
);
382 im
->byte_order
= render_endian
;
383 /* this malloc is a complete waste of time on normal 32bpp
384 as reduce_depth just sets im->data = data and returns
386 scratch
= g_new(pixel32
, im
->width
* im
->height
);
387 im
->data
= (char*) scratch
;
388 reduce_depth(in
, im
);
389 XPutImage(ob_display
, out
, DefaultGC(ob_display
, ob_screen
),
390 im
, 0, 0, x
, y
, w
, h
);
396 void appearance_minsize(Appearance
*l
, int *w
, int *h
)
402 for (i
= 0; i
< l
->textures
; ++i
) {
403 switch (l
->texture
[i
].type
) {
405 *w
= MAX(*w
, l
->texture
[i
].data
.mask
.mask
->w
);
406 *h
= MAX(*h
, l
->texture
[i
].data
.mask
.mask
->h
);
409 m
= font_measure_string(l
->texture
[i
].data
.text
.font
,
410 l
->texture
[i
].data
.text
.string
,
411 l
->texture
[i
].data
.text
.shadow
,
412 l
->texture
[i
].data
.text
.offset
);
414 m
= font_height(l
->texture
[i
].data
.text
.font
,
415 l
->texture
[i
].data
.text
.shadow
,
416 l
->texture
[i
].data
.text
.offset
);
420 *w
+= MAX(*w
, l
->texture
[i
].data
.rgba
.width
);
421 *h
+= MAX(*h
, l
->texture
[i
].data
.rgba
.height
);
428 if (l
->surface
.relief
!= Flat
) {
429 switch (l
->surface
.bevel
) {
439 } else if (l
->surface
.border
) {
448 gboolean
render_pixmap_to_rgba(Pixmap pmap
, Pixmap mask
,
449 int *w
, int *h
, pixel32
**data
)
453 guint pw
, ph
, mw
, mh
, xb
, xd
, i
, x
, y
, di
;
454 XImage
*xi
, *xm
= NULL
;
456 if (!XGetGeometry(ob_display
, pmap
, &xr
, &xx
, &xy
, &pw
, &ph
, &xb
, &xd
))
459 if (!XGetGeometry(ob_display
, mask
, &xr
, &xx
, &xy
, &mw
, &mh
, &xb
, &xd
))
461 if (pw
!= mw
|| ph
!= mh
|| xd
!= 1)
465 xi
= XGetImage(ob_display
, pmap
, 0, 0, pw
, ph
, 0xffffffff, ZPixmap
);
470 xm
= XGetImage(ob_display
, mask
, 0, 0, mw
, mh
, 0xffffffff, ZPixmap
);
475 *data
= g_new(pixel32
, pw
* ph
);
476 increase_depth(*data
, xi
);
479 /* apply transparency from the mask */
481 for (i
= 0, y
= 0; y
< ph
; ++y
) {
482 for (x
= 0; x
< pw
; ++x
, ++i
) {
483 if (!((((unsigned)xm
->data
[di
+ x
/ 8]) >> (x
% 8)) & 0x1))
484 (*data
)[i
] &= ~(0xff << default_alpha_offset
);
486 di
+= xm
->bytes_per_line
;