11 #include "kernel/openbox.h"
18 Visual
*render_visual
;
19 Colormap render_colormap
;
20 int render_red_offset
= 0, render_green_offset
= 0, render_blue_offset
= 0;
21 int render_red_shift
, render_green_shift
, render_blue_shift
;
23 void render_startup(void)
27 render_depth
= DefaultDepth(ob_display
, ob_screen
);
28 render_visual
= DefaultVisual(ob_display
, ob_screen
);
29 render_colormap
= DefaultColormap(ob_display
, ob_screen
);
31 if (render_depth
< 8) {
32 XVisualInfo vinfo_template
, *vinfo_return
;
33 /* search for a TrueColor Visual... if we can't find one...
34 we will use the default visual for the screen */
38 vinfo_template
.screen
= ob_screen
;
39 vinfo_template
.class = TrueColor
;
40 vinfo_return
= XGetVisualInfo(ob_display
,
41 VisualScreenMask
| VisualClassMask
,
42 &vinfo_template
, &vinfo_nitems
);
46 for (i
= 0; i
< vinfo_nitems
; ++i
) {
47 if (vinfo_return
[i
].depth
> max_depth
) {
48 if (max_depth
== 24 && vinfo_return
[i
].depth
> 24)
49 break; /* prefer 24 bit over 32 */
50 max_depth
= vinfo_return
[i
].depth
;
54 if (max_depth
< render_depth
) best
= -1;
57 render_depth
= vinfo_return
[best
].depth
;
58 render_visual
= vinfo_return
[best
].visual
;
59 render_colormap
= XCreateColormap(ob_display
, ob_root
, render_visual
,
64 switch (render_visual
->class) {
72 pseudocolor_startup();
75 g_critical("unsupported visual class.\n");
81 void truecolor_startup(void)
83 unsigned long red_mask
, green_mask
, blue_mask
;
84 XImage
*timage
= NULL
;
86 timage
= XCreateImage(ob_display
, render_visual
, render_depth
,
87 ZPixmap
, 0, NULL
, 1, 1, 32, 0);
88 g_assert(timage
!= NULL
);
89 /* find the offsets for each color in the visual's masks */
90 red_mask
= timage
->red_mask
;
91 green_mask
= timage
->green_mask
;
92 blue_mask
= timage
->blue_mask
;
94 render_red_offset
= 0;
95 render_green_offset
= 0;
96 render_blue_offset
= 0;
98 while (! (red_mask
& 1)) { render_red_offset
++; red_mask
>>= 1; }
99 while (! (green_mask
& 1)) { render_green_offset
++; green_mask
>>= 1; }
100 while (! (blue_mask
& 1)) { render_blue_offset
++; blue_mask
>>= 1; }
102 render_red_shift
= render_green_shift
= render_blue_shift
= 8;
103 while (red_mask
) { red_mask
>>= 1; render_red_shift
--; }
104 while (green_mask
) { green_mask
>>= 1; render_green_shift
--; }
105 while (blue_mask
) { blue_mask
>>= 1; render_blue_shift
--; }
109 void pseudocolor_startup(void)
112 int tr
, tg
, tb
, n
, r
, g
, b
, i
, incolors
, ii
;
115 g_message("Initializing PseudoColor RenderControl\n");
117 /* determine the number of colors and the bits-per-color */
118 pseudo_bpc
= 2; /* XXX THIS SHOULD BE A USER OPTION */
119 g_assert(pseudo_bpc
>= 1);
120 _ncolors
= 1 << (pseudo_bpc
* 3);
122 if (_ncolors
> 1 << render_depth
) {
123 g_warning("PseudoRenderControl: Invalid colormap size. Resizing.\n");
124 pseudo_bpc
= 1 << (render_depth
/3) >> 3;
125 _ncolors
= 1 << (pseudo_bpc
* 3);
128 /* build a color cube */
129 pseudo_colors
= malloc(_ncolors
* sizeof(XColor
));
130 cpc
= 1 << pseudo_bpc
; /* colors per channel */
132 for (n
= 0, r
= 0; r
< cpc
; r
++)
133 for (g
= 0; g
< cpc
; g
++)
134 for (b
= 0; b
< cpc
; b
++, n
++) {
135 tr
= (int)(((float)(r
)/(float)(cpc
-1)) * 0xFF);
136 tg
= (int)(((float)(g
)/(float)(cpc
-1)) * 0xFF);
137 tb
= (int)(((float)(b
)/(float)(cpc
-1)) * 0xFF);
138 pseudo_colors
[n
].red
= tr
| tr
<< 8;
139 pseudo_colors
[n
].green
= tg
| tg
<< 8;
140 pseudo_colors
[n
].blue
= tb
| tb
<< 8;
141 pseudo_colors
[n
].flags
= DoRed
|DoGreen
|DoBlue
; /* used to track
145 /* allocate the colors */
146 for (i
= 0; i
< _ncolors
; i
++)
147 if (!XAllocColor(ob_display
, render_colormap
, &pseudo_colors
[i
]))
148 pseudo_colors
[i
].flags
= 0; /* mark it as unallocated */
150 /* try allocate any colors that failed allocation above */
152 /* get the allocated values from the X server (only the first 256 XXX why!?)
154 incolors
= (((1 << render_depth
) > 256) ? 256 : (1 << render_depth
));
155 for (i
= 0; i
< incolors
; i
++)
156 icolors
[i
].pixel
= i
;
157 XQueryColors(ob_display
, render_colormap
, icolors
, incolors
);
159 /* try match unallocated ones */
160 for (i
= 0; i
< _ncolors
; i
++) {
161 if (!pseudo_colors
[i
].flags
) { /* if it wasn't allocated... */
162 unsigned long closest
= 0xffffffff, close
= 0;
163 for (ii
= 0; ii
< incolors
; ii
++) {
164 /* find deviations */
165 r
= (pseudo_colors
[i
].red
- icolors
[ii
].red
) & 0xff;
166 g
= (pseudo_colors
[i
].green
- icolors
[ii
].green
) & 0xff;
167 b
= (pseudo_colors
[i
].blue
- icolors
[ii
].blue
) & 0xff;
168 /* find a weighted absolute deviation */
169 dev
= (r
* r
) + (g
* g
) + (b
* b
);
177 pseudo_colors
[i
].red
= icolors
[close
].red
;
178 pseudo_colors
[i
].green
= icolors
[close
].green
;
179 pseudo_colors
[i
].blue
= icolors
[close
].blue
;
180 pseudo_colors
[i
].pixel
= icolors
[close
].pixel
;
182 /* try alloc this closest color, it had better succeed! */
183 if (XAllocColor(ob_display
, render_colormap
, &pseudo_colors
[i
]))
184 pseudo_colors
[i
].flags
= DoRed
|DoGreen
|DoBlue
; /* mark as alloced */
186 g_assert(FALSE
); /* wtf has gone wrong, its already alloced for
192 void x_paint(Window win
, Appearance
*l
)
194 int i
, transferred
= 0, sw
;
195 pixel32
*source
, *dest
;
199 int w
= l
->area
.width
;
200 int h
= l
->area
.height
;
201 Rect tarea
; /* area in which to draw textures */
203 if (w
<= 0 || h
<= 0 || x
+w
<= 0 || y
+h
<= 0) return;
205 g_assert(l
->surface
.type
== Surface_Planar
);
207 oldp
= l
->pixmap
; /* save to free after changing the visible pixmap */
208 l
->pixmap
= XCreatePixmap(ob_display
, ob_root
, x
+w
, y
+h
, render_depth
);
209 g_assert(l
->pixmap
!= None
);
211 if (l
->xftdraw
!= NULL
)
212 XftDrawDestroy(l
->xftdraw
);
213 l
->xftdraw
= XftDrawCreate(ob_display
, l
->pixmap
, render_visual
,
215 g_assert(l
->xftdraw
!= NULL
);
217 g_free(l
->surface
.data
.planar
.pixel_data
);
218 l
->surface
.data
.planar
.pixel_data
= g_new(pixel32
, w
* h
);
221 if (l
->surface
.data
.planar
.grad
== Background_ParentRelative
) {
222 sw
= l
->surface
.data
.planar
.parent
->area
.width
;
223 source
= l
->surface
.data
.planar
.parent
->surface
.data
.planar
.pixel_data
224 + l
->surface
.data
.planar
.parentx
225 + sw
* l
->surface
.data
.planar
.parenty
;
226 dest
= l
->surface
.data
.planar
.pixel_data
;
227 for (i
= 0; i
< h
; i
++, source
+= sw
, dest
+= w
) {
228 memcpy(dest
, source
, w
* sizeof(pixel32
));
231 else if (l
->surface
.data
.planar
.grad
== Background_Solid
)
232 gradient_solid(l
, x
, y
, w
, h
);
233 else gradient_render(&l
->surface
, w
, h
);
235 for (i
= 0; i
< l
->textures
; i
++) {
236 tarea
= l
->texture
[i
].position
;
237 if (l
->surface
.data
.planar
.grad
!= Background_ParentRelative
) {
238 if (l
->surface
.data
.planar
.relief
!= Flat
) {
239 switch (l
->surface
.data
.planar
.bevel
) {
241 tarea
.x
+= 1; tarea
.y
+= 1;
242 tarea
.width
-= 2; tarea
.height
-= 2;
245 tarea
.x
+= 2; tarea
.y
+= 2;
246 tarea
.width
-= 4; tarea
.height
-= 4;
249 } else if (l
->surface
.data
.planar
.border
) {
250 tarea
.x
+= 1; tarea
.y
+= 1;
251 tarea
.width
-= 2; tarea
.height
-= 2;
255 switch (l
->texture
[i
].type
) {
259 if (l
->surface
.data
.planar
.grad
!= Background_Solid
)
260 pixel32_to_pixmap(l
->surface
.data
.planar
.pixel_data
,
263 if (l
->xftdraw
== NULL
) {
264 l
->xftdraw
= XftDrawCreate(ob_display
, l
->pixmap
,
265 render_visual
, render_colormap
);
267 font_draw(l
->xftdraw
, &l
->texture
[i
].data
.text
,
273 if (l
->surface
.data
.planar
.grad
!= Background_Solid
)
274 pixel32_to_pixmap(l
->surface
.data
.planar
.pixel_data
,
277 if (l
->texture
[i
].data
.mask
.color
->gc
== None
)
278 color_allocate_gc(l
->texture
[i
].data
.mask
.color
);
279 mask_draw(l
->pixmap
, &l
->texture
[i
].data
.mask
,
283 image_draw(l
->surface
.data
.planar
.pixel_data
,
284 &l
->texture
[i
].data
.rgba
,
292 if (l
->surface
.data
.planar
.grad
!= Background_Solid
)
293 pixel32_to_pixmap(l
->surface
.data
.planar
.pixel_data
, l
->pixmap
298 XSetWindowBackgroundPixmap(ob_display
, win
, l
->pixmap
);
299 XClearWindow(ob_display
, win
);
300 if (oldp
!= None
) XFreePixmap(ob_display
, oldp
);
304 void gl_paint(Window win, Appearance *l)
306 glXMakeCurrent(ob_display, win, gl_context);
310 void render_shutdown(void)
314 Appearance
*appearance_new(SurfaceType type
, int numtex
)
319 out
= g_new(Appearance
, 1);
320 out
->surface
.type
= type
;
321 out
->textures
= numtex
;
323 if (numtex
) out
->texture
= g_new0(Texture
, numtex
);
324 else out
->texture
= NULL
;
329 p
= &out
->surface
.data
.planar
;
332 p
->border_color
= NULL
;
333 p
->pixel_data
= NULL
;
339 Appearance
*appearance_copy(Appearance
*orig
)
341 PlanarSurface
*spo
, *spc
;
342 Appearance
*copy
= g_new(Appearance
, 1);
343 copy
->surface
.type
= orig
->surface
.type
;
344 switch (orig
->surface
.type
) {
346 spo
= &(orig
->surface
.data
.planar
);
347 spc
= &(copy
->surface
.data
.planar
);
348 spc
->grad
= spo
->grad
;
349 spc
->relief
= spo
->relief
;
350 spc
->bevel
= spo
->bevel
;
351 if (spo
->primary
!= NULL
)
352 spc
->primary
= color_new(spo
->primary
->r
,
355 else spc
->primary
= NULL
;
357 if (spo
->secondary
!= NULL
)
358 spc
->secondary
= color_new(spo
->secondary
->r
,
361 else spc
->secondary
= NULL
;
363 if (spo
->border_color
!= NULL
)
364 spc
->border_color
= color_new(spo
->border_color
->r
,
365 spo
->border_color
->g
,
366 spo
->border_color
->b
);
367 else spc
->border_color
= NULL
;
369 spc
->interlaced
= spo
->interlaced
;
370 spc
->border
= spo
->border
;
371 spc
->pixel_data
= NULL
;
374 copy
->textures
= orig
->textures
;
375 copy
->texture
= g_memdup(orig
->texture
, orig
->textures
* sizeof(Texture
));
377 copy
->xftdraw
= NULL
;
381 void appearance_free(Appearance
*a
)
385 if (a
->pixmap
!= None
) XFreePixmap(ob_display
, a
->pixmap
);
386 if (a
->xftdraw
!= NULL
) XftDrawDestroy(a
->xftdraw
);
389 if (a
->surface
.type
== Surface_Planar
) {
390 p
= &a
->surface
.data
.planar
;
391 if (p
->primary
!= NULL
) color_free(p
->primary
);
392 if (p
->secondary
!= NULL
) color_free(p
->secondary
);
393 if (p
->border_color
!= NULL
) color_free(p
->border_color
);
394 if (p
->pixel_data
!= NULL
) g_free(p
->pixel_data
);
401 void pixel32_to_pixmap(pixel32
*in
, Pixmap out
, int x
, int y
, int w
, int h
)
403 unsigned char *scratch
;
405 im
= XCreateImage(ob_display
, render_visual
, render_depth
,
406 ZPixmap
, 0, NULL
, w
, h
, 32, 0);
407 g_assert(im
!= NULL
);
408 im
->byte_order
= endian
;
409 /* this malloc is a complete waste of time on normal 32bpp
410 as reduce_depth just sets im->data = data and returns
412 scratch
= malloc(im
->width
* im
->height
* sizeof(pixel32
));
413 im
->data
= (char*) scratch
;
414 reduce_depth(in
, im
);
415 XPutImage(ob_display
, out
, DefaultGC(ob_display
, ob_screen
),
416 im
, 0, 0, x
, y
, w
, h
);
422 void appearance_minsize(Appearance
*l
, int *w
, int *h
)
428 switch (l
->surface
.type
) {
430 if (l
->surface
.data
.planar
.relief
!= Flat
) {
431 switch (l
->surface
.data
.planar
.bevel
) {
439 } else if (l
->surface
.data
.planar
.border
)
442 for (i
= 0; i
< l
->textures
; ++i
) {
443 switch (l
->texture
[i
].type
) {
445 *w
+= l
->texture
[i
].data
.mask
.mask
->w
;
446 *h
+= l
->texture
[i
].data
.mask
.mask
->h
;
449 m
= font_measure_string(l
->texture
[i
].data
.text
.font
,
450 l
->texture
[i
].data
.text
.string
,
451 l
->texture
[i
].data
.text
.shadow
,
452 l
->texture
[i
].data
.text
.offset
);
454 m
= font_height(l
->texture
[i
].data
.text
.font
,
455 l
->texture
[i
].data
.text
.shadow
,
456 l
->texture
[i
].data
.text
.offset
);
460 *w
+= l
->texture
[i
].data
.rgba
.width
;
461 *h
+= l
->texture
[i
].data
.rgba
.height
;