]>
Dogcows Code - chaz/openbox/blob - obrender/render.c
fb59e216928f4d7000f3e05a96ec178d810bc23a
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 render.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
6 Copyright (c) 2003 Derek Foreman
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 See the COPYING file for a copy of the GNU General Public License.
31 #include <X11/Xutil.h>
32 #include <X11/Xft/Xft.h>
38 static void pixel_data_to_pixmap(RrAppearance
*l
,
39 gint x
, gint y
, gint w
, gint h
);
41 Pixmap
RrPaintPixmap(RrAppearance
*a
, gint w
, gint h
)
43 gint i
, transferred
= 0, force_transfer
= 0;
45 RrRect tarea
; /* area in which to draw textures */
48 if (w
<= 0 || h
<= 0) return None
;
50 if (a
->surface
.parentx
< 0 || a
->surface
.parenty
< 0) {
51 /* ob_debug("Invalid parent co-ordinates\n"); */
55 if (a
->surface
.grad
== RR_SURFACE_PARENTREL
&&
56 (a
->surface
.parentx
>= a
->surface
.parent
->w
||
57 a
->surface
.parenty
>= a
->surface
.parent
->h
))
62 resized
= (a
->w
!= w
|| a
->h
!= h
);
64 oldp
= a
->pixmap
; /* save to free after changing the visible pixmap */
65 a
->pixmap
= XCreatePixmap(RrDisplay(a
->inst
),
66 RrRootWindow(a
->inst
),
67 w
, h
, RrDepth(a
->inst
));
69 g_assert(a
->pixmap
!= None
);
73 if (a
->xftdraw
!= NULL
)
74 XftDrawDestroy(a
->xftdraw
);
75 a
->xftdraw
= XftDrawCreate(RrDisplay(a
->inst
), a
->pixmap
,
76 RrVisual(a
->inst
), RrColormap(a
->inst
));
77 g_assert(a
->xftdraw
!= NULL
);
80 g_free(a
->surface
.pixel_data
);
81 a
->surface
.pixel_data
= g_new(RrPixel32
, w
* h
);
88 RrMargins(a
, &l
, &t
, &r
, &b
);
89 RECT_SET(tarea
, l
, t
, w
- l
- r
, h
- t
- b
);
92 for (i
= 0; i
< a
->textures
; i
++) {
93 switch (a
->texture
[i
].type
) {
99 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
)
100 || (a
->surface
.interlaced
))
101 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
103 if (a
->xftdraw
== NULL
) {
104 a
->xftdraw
= XftDrawCreate(RrDisplay(a
->inst
), a
->pixmap
,
106 RrColormap(a
->inst
));
108 RrFontDraw(a
->xftdraw
, &a
->texture
[i
].data
.text
, &tarea
);
110 case RR_TEXTURE_LINE_ART
:
113 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
)
114 || (a
->surface
.interlaced
))
115 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
117 XDrawLine(RrDisplay(a
->inst
), a
->pixmap
,
118 RrColorGC(a
->texture
[i
].data
.lineart
.color
),
119 a
->texture
[i
].data
.lineart
.x1
,
120 a
->texture
[i
].data
.lineart
.y1
,
121 a
->texture
[i
].data
.lineart
.x2
,
122 a
->texture
[i
].data
.lineart
.y2
);
124 case RR_TEXTURE_MASK
:
127 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
)
128 || (a
->surface
.interlaced
))
129 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
131 RrPixmapMaskDraw(a
->pixmap
, &a
->texture
[i
].data
.mask
, &tarea
);
133 case RR_TEXTURE_IMAGE
:
134 g_assert(!transferred
);
136 RrRect narea
= tarea
;
137 RrTextureImage
*img
= &a
->texture
[i
].data
.image
;
139 narea
.width
-= img
->tx
;
141 narea
.height
-= img
->ty
;
143 narea
.width
= MIN(narea
.width
, img
->twidth
);
145 narea
.height
= MIN(narea
.height
, img
->theight
);
146 RrImageDrawImage(a
->surface
.pixel_data
,
147 &a
->texture
[i
].data
.image
,
153 case RR_TEXTURE_RGBA
:
154 g_assert(!transferred
);
156 RrRect narea
= tarea
;
157 RrTextureRGBA
*rgb
= &a
->texture
[i
].data
.rgba
;
159 narea
.width
-= rgb
->tx
;
161 narea
.height
-= rgb
->ty
;
163 narea
.width
= MIN(narea
.width
, rgb
->twidth
);
165 narea
.height
= MIN(narea
.height
, rgb
->theight
);
166 RrImageDrawRGBA(a
->surface
.pixel_data
,
167 &a
->texture
[i
].data
.rgba
,
173 case RR_TEXTURE_NUM_TYPES
:
174 g_assert_not_reached();
180 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
) || (a
->surface
.interlaced
) ||
183 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
190 void RrPaint(RrAppearance
*a
, Window win
, gint w
, gint h
)
194 oldp
= RrPaintPixmap(a
, w
, h
);
195 XSetWindowBackgroundPixmap(RrDisplay(a
->inst
), win
, a
->pixmap
);
196 XClearWindow(RrDisplay(a
->inst
), win
);
197 /* free this after changing the visible pixmap */
198 if (oldp
) XFreePixmap(RrDisplay(a
->inst
), oldp
);
201 RrAppearance
*RrAppearanceNew(const RrInstance
*inst
, gint numtex
)
205 out
= g_slice_new0(RrAppearance
);
207 out
->textures
= numtex
;
208 out
->surface
.bevel_light_adjust
= 128;
209 out
->surface
.bevel_dark_adjust
= 64;
210 if (numtex
) out
->texture
= g_new0(RrTexture
, numtex
);
215 void RrAppearanceRemoveTextures(RrAppearance
*a
)
221 void RrAppearanceAddTextures(RrAppearance
*a
, gint numtex
)
223 g_assert(a
->textures
== 0);
225 a
->textures
= numtex
;
226 if (numtex
) a
->texture
= g_new0(RrTexture
, numtex
);
229 void RrAppearanceClearTextures(RrAppearance
*a
)
231 memset(a
->texture
, 0, a
->textures
* sizeof(RrTexture
));
234 RrAppearance
*RrAppearanceCopy(RrAppearance
*orig
)
236 RrSurface
*spo
, *spc
;
237 RrAppearance
*copy
= g_slice_new(RrAppearance
);
239 copy
->inst
= orig
->inst
;
241 spo
= &(orig
->surface
);
242 spc
= &(copy
->surface
);
243 spc
->grad
= spo
->grad
;
244 spc
->relief
= spo
->relief
;
245 spc
->bevel
= spo
->bevel
;
246 if (spo
->primary
!= NULL
)
247 spc
->primary
= RrColorNew(copy
->inst
,
251 else spc
->primary
= NULL
;
253 if (spo
->secondary
!= NULL
)
254 spc
->secondary
= RrColorNew(copy
->inst
,
258 else spc
->secondary
= NULL
;
260 if (spo
->border_color
!= NULL
)
261 spc
->border_color
= RrColorNew(copy
->inst
,
262 spo
->border_color
->r
,
263 spo
->border_color
->g
,
264 spo
->border_color
->b
);
265 else spc
->border_color
= NULL
;
267 if (spo
->interlace_color
!= NULL
)
268 spc
->interlace_color
= RrColorNew(copy
->inst
,
269 spo
->interlace_color
->r
,
270 spo
->interlace_color
->g
,
271 spo
->interlace_color
->b
);
272 else spc
->interlace_color
= NULL
;
274 if (spo
->bevel_dark
!= NULL
)
275 spc
->bevel_dark
= RrColorNew(copy
->inst
,
279 else spc
->bevel_dark
= NULL
;
281 if (spo
->bevel_light
!= NULL
)
282 spc
->bevel_light
= RrColorNew(copy
->inst
,
285 spo
->bevel_light
->b
);
286 else spc
->bevel_light
= NULL
;
288 if (spo
->split_primary
!= NULL
)
289 spc
->split_primary
= RrColorNew(copy
->inst
,
290 spo
->split_primary
->r
,
291 spo
->split_primary
->g
,
292 spo
->split_primary
->b
);
293 else spc
->split_primary
= NULL
;
295 if (spo
->split_secondary
!= NULL
)
296 spc
->split_secondary
= RrColorNew(copy
->inst
,
297 spo
->split_secondary
->r
,
298 spo
->split_secondary
->g
,
299 spo
->split_secondary
->b
);
300 else spc
->split_secondary
= NULL
;
302 spc
->interlaced
= spo
->interlaced
;
303 spc
->bevel_light_adjust
= spo
->bevel_light_adjust
;
304 spc
->bevel_dark_adjust
= spo
->bevel_dark_adjust
;
305 spc
->border
= spo
->border
;
307 spc
->parentx
= spc
->parenty
= 0;
308 spc
->pixel_data
= NULL
;
310 copy
->textures
= orig
->textures
;
311 copy
->texture
= g_memdup(orig
->texture
,
312 orig
->textures
* sizeof(RrTexture
));
314 copy
->xftdraw
= NULL
;
315 copy
->w
= copy
->h
= 0;
319 void RrAppearanceFree(RrAppearance
*a
)
323 if (a
->pixmap
!= None
) XFreePixmap(RrDisplay(a
->inst
), a
->pixmap
);
324 if (a
->xftdraw
!= NULL
) XftDrawDestroy(a
->xftdraw
);
328 RrColorFree(p
->primary
);
329 RrColorFree(p
->secondary
);
330 RrColorFree(p
->border_color
);
331 RrColorFree(p
->interlace_color
);
332 RrColorFree(p
->bevel_dark
);
333 RrColorFree(p
->bevel_light
);
334 RrColorFree(p
->split_primary
);
335 RrColorFree(p
->split_secondary
);
336 g_free(p
->pixel_data
);
337 p
->pixel_data
= NULL
;
338 g_slice_free(RrAppearance
, a
);
342 static void pixel_data_to_pixmap(RrAppearance
*l
,
343 gint x
, gint y
, gint w
, gint h
)
345 RrPixel32
*in
, *scratch
;
348 im
= XCreateImage(RrDisplay(l
->inst
), RrVisual(l
->inst
), RrDepth(l
->inst
),
349 ZPixmap
, 0, NULL
, w
, h
, 32, 0);
350 g_assert(im
!= NULL
);
352 in
= l
->surface
.pixel_data
;
355 /* this malloc is a complete waste of time on normal 32bpp
356 as reduce_depth just sets im->data = data and returns
358 scratch
= g_new(RrPixel32
, im
->width
* im
->height
);
359 im
->data
= (gchar
*) scratch
;
360 RrReduceDepth(l
->inst
, in
, im
);
361 XPutImage(RrDisplay(l
->inst
), out
,
362 DefaultGC(RrDisplay(l
->inst
), RrScreen(l
->inst
)),
363 im
, 0, 0, x
, y
, w
, h
);
369 void RrMargins (RrAppearance
*a
, gint
*l
, gint
*t
, gint
*r
, gint
*b
)
371 *l
= *t
= *r
= *b
= 0;
373 if (a
->surface
.grad
!= RR_SURFACE_PARENTREL
) {
374 if (a
->surface
.relief
!= RR_RELIEF_FLAT
) {
375 switch (a
->surface
.bevel
) {
377 *l
= *t
= *r
= *b
= 1;
380 *l
= *t
= *r
= *b
= 2;
382 case RR_BEVEL_NUM_TYPES
:
383 g_assert_not_reached();
385 } else if (a
->surface
.border
) {
386 *l
= *t
= *r
= *b
= 1;
391 void RrMinSize(RrAppearance
*a
, gint
*w
, gint
*h
)
397 gint
RrMinWidth(RrAppearance
*a
)
404 RrMargins(a
, &l
, &t
, &r
, &b
);
406 for (i
= 0; i
< a
->textures
; ++i
) {
407 switch (a
->texture
[i
].type
) {
408 case RR_TEXTURE_NONE
:
410 case RR_TEXTURE_MASK
:
411 w
= MAX(w
, a
->texture
[i
].data
.mask
.mask
->width
);
413 case RR_TEXTURE_TEXT
:
414 m
= RrFontMeasureString(a
->texture
[i
].data
.text
.font
,
415 a
->texture
[i
].data
.text
.string
,
416 a
->texture
[i
].data
.text
.shadow_offset_x
,
417 a
->texture
[i
].data
.text
.shadow_offset_y
,
418 a
->texture
[i
].data
.text
.flow
,
419 a
->texture
[i
].data
.text
.maxwidth
);
420 w
= MAX(w
, m
->width
);
421 g_slice_free(RrSize
, m
);
423 case RR_TEXTURE_RGBA
:
424 w
+= MAX(w
, a
->texture
[i
].data
.rgba
.width
);
426 case RR_TEXTURE_IMAGE
:
427 /* images resize so they don't contribute anything to the min */
429 case RR_TEXTURE_LINE_ART
:
430 w
= MAX(w
, MAX(a
->texture
[i
].data
.lineart
.x1
- l
- r
,
431 a
->texture
[i
].data
.lineart
.x2
- l
- r
));
433 case RR_TEXTURE_NUM_TYPES
:
434 g_assert_not_reached();
444 gint
RrMinHeight(RrAppearance
*a
)
451 RrMargins(a
, &l
, &t
, &r
, &b
);
453 for (i
= 0; i
< a
->textures
; ++i
) {
454 switch (a
->texture
[i
].type
) {
455 case RR_TEXTURE_NONE
:
457 case RR_TEXTURE_MASK
:
458 h
= MAX(h
, a
->texture
[i
].data
.mask
.mask
->height
);
460 case RR_TEXTURE_TEXT
:
461 if (a
->texture
[i
].data
.text
.flow
) {
462 g_assert(a
->texture
[i
].data
.text
.string
!= NULL
);
464 m
= RrFontMeasureString
465 (a
->texture
[i
].data
.text
.font
,
466 a
->texture
[i
].data
.text
.string
,
467 a
->texture
[i
].data
.text
.shadow_offset_x
,
468 a
->texture
[i
].data
.text
.shadow_offset_y
,
469 a
->texture
[i
].data
.text
.flow
,
470 a
->texture
[i
].data
.text
.maxwidth
);
471 h
+= MAX(h
, m
->height
);
472 g_slice_free(RrSize
, m
);
477 (a
->texture
[i
].data
.text
.font
,
478 a
->texture
[i
].data
.text
.shadow_offset_y
));
480 case RR_TEXTURE_RGBA
:
481 h
+= MAX(h
, a
->texture
[i
].data
.rgba
.height
);
483 case RR_TEXTURE_IMAGE
:
484 /* images resize so they don't contribute anything to the min */
486 case RR_TEXTURE_LINE_ART
:
487 h
= MAX(h
, MAX(a
->texture
[i
].data
.lineart
.y1
- t
- b
,
488 a
->texture
[i
].data
.lineart
.y2
- t
- b
));
490 case RR_TEXTURE_NUM_TYPES
:
491 g_assert_not_reached();
501 static void reverse_bits(gchar
*c
, gint n
)
504 for (i
= 0; i
< n
; i
++, c
++)
505 *c
= (((*c
* 0x0802UL
& 0x22110UL
) |
506 (*c
* 0x8020UL
& 0x88440UL
)) * 0x10101UL
) >> 16;
509 gboolean
RrPixmapToRGBA(const RrInstance
*inst
,
510 Pixmap pmap
, Pixmap mask
,
511 gint
*w
, gint
*h
, RrPixel32
**data
)
515 guint pw
, ph
, mw
, mh
, xb
, xd
, i
, x
, y
, di
;
516 XImage
*xi
, *xm
= NULL
;
518 if (!XGetGeometry(RrDisplay(inst
), pmap
,
519 &xr
, &xx
, &xy
, &pw
, &ph
, &xb
, &xd
))
523 if (!XGetGeometry(RrDisplay(inst
), mask
,
524 &xr
, &xx
, &xy
, &mw
, &mh
, &xb
, &xd
))
526 if (pw
!= mw
|| ph
!= mh
|| xd
!= 1)
530 xi
= XGetImage(RrDisplay(inst
), pmap
,
531 0, 0, pw
, ph
, 0xffffffff, ZPixmap
);
536 xm
= XGetImage(RrDisplay(inst
), mask
,
537 0, 0, mw
, mh
, 0xffffffff, ZPixmap
);
542 if ((xm
->bits_per_pixel
== 1) && (xm
->bitmap_bit_order
!= LSBFirst
))
543 reverse_bits(xm
->data
, xm
->bytes_per_line
* xm
->height
);
546 if ((xi
->bits_per_pixel
== 1) && (xi
->bitmap_bit_order
!= LSBFirst
))
547 reverse_bits(xi
->data
, xi
->bytes_per_line
* xi
->height
);
549 *data
= g_new(RrPixel32
, pw
* ph
);
550 RrIncreaseDepth(inst
, *data
, xi
);
553 /* apply transparency from the mask */
555 for (i
= 0, y
= 0; y
< ph
; ++y
) {
556 for (x
= 0; x
< pw
; ++x
, ++i
) {
557 if (!((((unsigned)xm
->data
[di
+ x
/ 8]) >> (x
% 8)) & 0x1))
558 (*data
)[i
] &= ~(0xff << RrDefaultAlphaOffset
);
560 di
+= xm
->bytes_per_line
;
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