10 #include "kernel/openbox.h"
13 Visual
*render_visual
;
14 Colormap render_colormap
;
15 int render_red_offset
= 0, render_green_offset
= 0, render_blue_offset
= 0;
16 int render_red_shift
, render_green_shift
, render_blue_shift
;
18 void render_startup(void)
22 render_depth
= DefaultDepth(ob_display
, ob_screen
);
23 render_visual
= DefaultVisual(ob_display
, ob_screen
);
24 render_colormap
= DefaultColormap(ob_display
, ob_screen
);
26 if (render_depth
< 8) {
27 XVisualInfo vinfo_template
, *vinfo_return
;
28 /* search for a TrueColor Visual... if we can't find one...
29 we will use the default visual for the screen */
33 vinfo_template
.screen
= ob_screen
;
34 vinfo_template
.class = TrueColor
;
35 vinfo_return
= XGetVisualInfo(ob_display
,
36 VisualScreenMask
| VisualClassMask
,
37 &vinfo_template
, &vinfo_nitems
);
41 for (i
= 0; i
< vinfo_nitems
; ++i
) {
42 if (vinfo_return
[i
].depth
> max_depth
) {
43 if (max_depth
== 24 && vinfo_return
[i
].depth
> 24)
44 break; /* prefer 24 bit over 32 */
45 max_depth
= vinfo_return
[i
].depth
;
49 if (max_depth
< render_depth
) best
= -1;
52 render_depth
= vinfo_return
[best
].depth
;
53 render_visual
= vinfo_return
[best
].visual
;
54 render_colormap
= XCreateColormap(ob_display
, ob_root
, render_visual
,
59 switch (render_visual
->class) {
67 pseudocolor_startup();
70 g_critical("unsupported visual class.\n");
76 void truecolor_startup(void)
78 unsigned long red_mask
, green_mask
, blue_mask
;
79 XImage
*timage
= NULL
;
81 timage
= XCreateImage(ob_display
, render_visual
, render_depth
,
82 ZPixmap
, 0, NULL
, 1, 1, 32, 0);
83 g_assert(timage
!= NULL
);
84 /* find the offsets for each color in the visual's masks */
85 red_mask
= timage
->red_mask
;
86 green_mask
= timage
->green_mask
;
87 blue_mask
= timage
->blue_mask
;
89 render_red_offset
= 0;
90 render_green_offset
= 0;
91 render_blue_offset
= 0;
93 while (! (red_mask
& 1)) { render_red_offset
++; red_mask
>>= 1; }
94 while (! (green_mask
& 1)) { render_green_offset
++; green_mask
>>= 1; }
95 while (! (blue_mask
& 1)) { render_blue_offset
++; blue_mask
>>= 1; }
97 render_red_shift
= render_green_shift
= render_blue_shift
= 8;
98 while (red_mask
) { red_mask
>>= 1; render_red_shift
--; }
99 while (green_mask
) { green_mask
>>= 1; render_green_shift
--; }
100 while (blue_mask
) { blue_mask
>>= 1; render_blue_shift
--; }
104 void pseudocolor_startup(void)
107 int tr
, tg
, tb
, n
, r
, g
, b
, i
, incolors
, ii
;
110 g_message("Initializing PseudoColor RenderControl\n");
112 /* determine the number of colors and the bits-per-color */
113 pseudo_bpc
= 2; /* XXX THIS SHOULD BE A USER OPTION */
114 g_assert(pseudo_bpc
>= 1);
115 _ncolors
= 1 << (pseudo_bpc
* 3);
117 if (_ncolors
> 1 << render_depth
) {
118 g_warning("PseudoRenderControl: Invalid colormap size. Resizing.\n");
119 pseudo_bpc
= 1 << (render_depth
/3) >> 3;
120 _ncolors
= 1 << (pseudo_bpc
* 3);
123 /* build a color cube */
124 pseudo_colors
= malloc(_ncolors
* sizeof(XColor
));
125 cpc
= 1 << pseudo_bpc
; /* colors per channel */
127 for (n
= 0, r
= 0; r
< cpc
; r
++)
128 for (g
= 0; g
< cpc
; g
++)
129 for (b
= 0; b
< cpc
; b
++, n
++) {
130 tr
= (int)(((float)(r
)/(float)(cpc
-1)) * 0xFF);
131 tg
= (int)(((float)(g
)/(float)(cpc
-1)) * 0xFF);
132 tb
= (int)(((float)(b
)/(float)(cpc
-1)) * 0xFF);
133 pseudo_colors
[n
].red
= tr
| tr
<< 8;
134 pseudo_colors
[n
].green
= tg
| tg
<< 8;
135 pseudo_colors
[n
].blue
= tb
| tb
<< 8;
136 pseudo_colors
[n
].flags
= DoRed
|DoGreen
|DoBlue
; /* used to track
140 /* allocate the colors */
141 for (i
= 0; i
< _ncolors
; i
++)
142 if (!XAllocColor(ob_display
, render_colormap
, &pseudo_colors
[i
]))
143 pseudo_colors
[i
].flags
= 0; /* mark it as unallocated */
145 /* try allocate any colors that failed allocation above */
147 /* get the allocated values from the X server (only the first 256 XXX why!?)
149 incolors
= (((1 << render_depth
) > 256) ? 256 : (1 << render_depth
));
150 for (i
= 0; i
< incolors
; i
++)
151 icolors
[i
].pixel
= i
;
152 XQueryColors(ob_display
, render_colormap
, icolors
, incolors
);
154 /* try match unallocated ones */
155 for (i
= 0; i
< _ncolors
; i
++) {
156 if (!pseudo_colors
[i
].flags
) { /* if it wasn't allocated... */
157 unsigned long closest
= 0xffffffff, close
= 0;
158 for (ii
= 0; ii
< incolors
; ii
++) {
159 /* find deviations */
160 r
= (pseudo_colors
[i
].red
- icolors
[ii
].red
) & 0xff;
161 g
= (pseudo_colors
[i
].green
- icolors
[ii
].green
) & 0xff;
162 b
= (pseudo_colors
[i
].blue
- icolors
[ii
].blue
) & 0xff;
163 /* find a weighted absolute deviation */
164 dev
= (r
* r
) + (g
* g
) + (b
* b
);
172 pseudo_colors
[i
].red
= icolors
[close
].red
;
173 pseudo_colors
[i
].green
= icolors
[close
].green
;
174 pseudo_colors
[i
].blue
= icolors
[close
].blue
;
175 pseudo_colors
[i
].pixel
= icolors
[close
].pixel
;
177 /* try alloc this closest color, it had better succeed! */
178 if (XAllocColor(ob_display
, render_colormap
, &pseudo_colors
[i
]))
179 pseudo_colors
[i
].flags
= DoRed
|DoGreen
|DoBlue
; /* mark as alloced */
181 g_assert(FALSE
); /* wtf has gone wrong, its already alloced for
187 void x_paint(Window win
, Appearance
*l
)
189 int i
, transferred
= 0, sw
;
190 pixel32
*source
, *dest
;
194 int w
= l
->area
.width
;
195 int h
= l
->area
.height
;
197 if (w
<= 0 || h
<= 0 || x
+w
<= 0 || y
+h
<= 0) return;
199 g_assert(l
->surface
.type
== Surface_Planar
);
201 oldp
= l
->pixmap
; /* save to free after changing the visible pixmap */
202 l
->pixmap
= XCreatePixmap(ob_display
, ob_root
, x
+w
, y
+h
, render_depth
);
203 g_assert(l
->pixmap
!= None
);
205 if (l
->xftdraw
!= NULL
)
206 XftDrawDestroy(l
->xftdraw
);
207 l
->xftdraw
= XftDrawCreate(ob_display
, l
->pixmap
, render_visual
,
209 g_assert(l
->xftdraw
!= NULL
);
211 g_free(l
->surface
.data
.planar
.pixel_data
);
212 l
->surface
.data
.planar
.pixel_data
= g_new(pixel32
, w
* h
);
215 if (l
->surface
.data
.planar
.grad
== Background_ParentRelative
) {
216 sw
= l
->surface
.data
.planar
.parent
->area
.width
;
217 source
= l
->surface
.data
.planar
.parent
->surface
.data
.planar
.pixel_data
218 + l
->surface
.data
.planar
.parentx
219 + sw
* l
->surface
.data
.planar
.parenty
;
220 dest
= l
->surface
.data
.planar
.pixel_data
;
221 for (i
= 0; i
< h
; i
++, source
+= sw
, dest
+= w
) {
222 memcpy(dest
, source
, w
* sizeof(pixel32
));
225 else if (l
->surface
.data
.planar
.grad
== Background_Solid
)
226 gradient_solid(l
, x
, y
, w
, h
);
227 else gradient_render(&l
->surface
, w
, h
);
229 for (i
= 0; i
< l
->textures
; i
++) {
230 switch (l
->texture
[i
].type
) {
234 if (l
->surface
.data
.planar
.grad
!= Background_Solid
)
235 pixel32_to_pixmap(l
->surface
.data
.planar
.pixel_data
,
238 if (l
->xftdraw
== NULL
) {
239 l
->xftdraw
= XftDrawCreate(ob_display
, l
->pixmap
,
240 render_visual
, render_colormap
);
242 font_draw(l
->xftdraw
, &l
->texture
[i
].data
.text
,
243 &l
->texture
[i
].position
);
248 if (l
->surface
.data
.planar
.grad
!= Background_Solid
)
249 pixel32_to_pixmap(l
->surface
.data
.planar
.pixel_data
,
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
,
255 &l
->texture
[i
].position
);
258 image_draw(l
->surface
.data
.planar
.pixel_data
,
259 &l
->texture
[i
].data
.rgba
,
260 &l
->texture
[i
].position
);
267 if (l
->surface
.data
.planar
.grad
!= Background_Solid
)
268 pixel32_to_pixmap(l
->surface
.data
.planar
.pixel_data
, l
->pixmap
273 XSetWindowBackgroundPixmap(ob_display
, win
, l
->pixmap
);
274 XClearWindow(ob_display
, win
);
275 if (oldp
!= None
) XFreePixmap(ob_display
, oldp
);
279 void gl_paint(Window win, Appearance *l)
281 glXMakeCurrent(ob_display, win, gl_context);
285 void render_shutdown(void)
289 Appearance
*appearance_new(SurfaceType type
, int numtex
)
294 out
= g_new(Appearance
, 1);
295 out
->surface
.type
= type
;
296 out
->textures
= numtex
;
298 if (numtex
) out
->texture
= g_new0(Texture
, numtex
);
299 else out
->texture
= NULL
;
304 p
= &out
->surface
.data
.planar
;
307 p
->border_color
= NULL
;
308 p
->pixel_data
= NULL
;
314 Appearance
*appearance_copy(Appearance
*orig
)
316 PlanarSurface
*spo
, *spc
;
317 Appearance
*copy
= g_new(Appearance
, 1);
318 copy
->surface
.type
= orig
->surface
.type
;
319 switch (orig
->surface
.type
) {
321 spo
= &(orig
->surface
.data
.planar
);
322 spc
= &(copy
->surface
.data
.planar
);
323 spc
->grad
= spo
->grad
;
324 spc
->relief
= spo
->relief
;
325 spc
->bevel
= spo
->bevel
;
326 if (spo
->primary
!= NULL
)
327 spc
->primary
= color_new(spo
->primary
->r
,
330 else spc
->primary
= NULL
;
332 if (spo
->secondary
!= NULL
)
333 spc
->secondary
= color_new(spo
->secondary
->r
,
336 else spc
->secondary
= NULL
;
338 if (spo
->border_color
!= NULL
)
339 spc
->border_color
= color_new(spo
->border_color
->r
,
340 spo
->border_color
->g
,
341 spo
->border_color
->b
);
342 else spc
->border_color
= NULL
;
344 spc
->interlaced
= spo
->interlaced
;
345 spc
->border
= spo
->border
;
346 spc
->pixel_data
= NULL
;
349 copy
->textures
= orig
->textures
;
350 copy
->texture
= g_memdup(orig
->texture
, orig
->textures
* sizeof(Texture
));
352 copy
->xftdraw
= NULL
;
356 void appearance_free(Appearance
*a
)
359 if (a
->pixmap
!= None
) XFreePixmap(ob_display
, a
->pixmap
);
360 if (a
->xftdraw
!= NULL
) XftDrawDestroy(a
->xftdraw
);
363 if (a
->surface
.type
== Surface_Planar
) {
364 p
= &a
->surface
.data
.planar
;
365 if (p
->primary
!= NULL
) color_free(p
->primary
);
366 if (p
->secondary
!= NULL
) color_free(p
->secondary
);
367 if (p
->border_color
!= NULL
) color_free(p
->border_color
);
368 if (p
->pixel_data
!= NULL
) g_free(p
->pixel_data
);
374 void pixel32_to_pixmap(pixel32
*in
, Pixmap out
, int x
, int y
, int w
, int h
)
377 im
= XCreateImage(ob_display
, render_visual
, render_depth
,
378 ZPixmap
, 0, NULL
, w
, h
, 32, 0);
379 g_assert(im
!= NULL
);
380 im
->byte_order
= endian
;
381 im
->data
= (char *)in
;
382 reduce_depth((pixel32
*)im
->data
, im
);
383 XPutImage(ob_display
, out
, DefaultGC(ob_display
, ob_screen
),
384 im
, 0, 0, x
, y
, w
, h
);
389 void appearance_minsize(Appearance
*l
, Size
*s
)
394 switch (l
->surface
.type
) {
396 if (l
->surface
.data
.planar
.border
||
397 l
->surface
.data
.planar
.bevel
== Bevel1
)
399 else if (l
->surface
.data
.planar
.bevel
== Bevel2
)
402 for (i
= 0; i
< l
->textures
; ++i
)
403 switch (l
->texture
[i
].type
) {
405 s
->width
+= l
->texture
[i
].data
.mask
.mask
->w
;
406 s
->height
+= l
->texture
[i
].data
.mask
.mask
->h
;
409 s
->width
+=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
);
413 s
->height
+= font_height(l
->texture
[i
].data
.text
.font
,
414 l
->texture
[i
].data
.text
.shadow
,
415 l
->texture
[i
].data
.text
.offset
);
418 s
->width
+= l
->texture
[i
].data
.rgba
.width
;
419 s
->height
+= l
->texture
[i
].data
.rgba
.height
;