]>
Dogcows Code - chaz/openbox/blob - render/render.c
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_RGBA
:
134 g_assert(!transferred
);
136 RrRect narea
= tarea
;
137 RrTextureRGBA
*rgb
= &a
->texture
[i
].data
.rgba
;
139 narea
.width
= MIN(tarea
.width
, rgb
->twidth
);
141 narea
.height
= MIN(tarea
.height
, rgb
->theight
);
144 RrImageDraw(a
->surface
.pixel_data
,
145 &a
->texture
[i
].data
.rgba
,
156 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
) || (a
->surface
.interlaced
) ||
159 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
166 void RrPaint(RrAppearance
*a
, Window win
, gint w
, gint h
)
170 oldp
= RrPaintPixmap(a
, w
, h
);
171 XSetWindowBackgroundPixmap(RrDisplay(a
->inst
), win
, a
->pixmap
);
172 XClearWindow(RrDisplay(a
->inst
), win
);
173 /* free this after changing the visible pixmap */
174 if (oldp
) XFreePixmap(RrDisplay(a
->inst
), oldp
);
177 RrAppearance
*RrAppearanceNew(const RrInstance
*inst
, gint numtex
)
181 out
= g_new0(RrAppearance
, 1);
183 out
->textures
= numtex
;
184 out
->surface
.bevel_light_adjust
= 128;
185 out
->surface
.bevel_dark_adjust
= 64;
186 if (numtex
) out
->texture
= g_new0(RrTexture
, numtex
);
191 void RrAppearanceAddTextures(RrAppearance
*a
, gint numtex
)
193 g_assert(a
->textures
== 0);
195 a
->textures
= numtex
;
196 if (numtex
) a
->texture
= g_new0(RrTexture
, numtex
);
199 RrAppearance
*RrAppearanceCopy(RrAppearance
*orig
)
201 RrSurface
*spo
, *spc
;
202 RrAppearance
*copy
= g_new(RrAppearance
, 1);
205 copy
->inst
= orig
->inst
;
207 spo
= &(orig
->surface
);
208 spc
= &(copy
->surface
);
209 spc
->grad
= spo
->grad
;
210 spc
->relief
= spo
->relief
;
211 spc
->bevel
= spo
->bevel
;
212 if (spo
->primary
!= NULL
)
213 spc
->primary
= RrColorNew(copy
->inst
,
217 else spc
->primary
= NULL
;
219 if (spo
->secondary
!= NULL
)
220 spc
->secondary
= RrColorNew(copy
->inst
,
224 else spc
->secondary
= NULL
;
226 if (spo
->border_color
!= NULL
)
227 spc
->border_color
= RrColorNew(copy
->inst
,
228 spo
->border_color
->r
,
229 spo
->border_color
->g
,
230 spo
->border_color
->b
);
231 else spc
->border_color
= NULL
;
233 if (spo
->interlace_color
!= NULL
)
234 spc
->interlace_color
= RrColorNew(copy
->inst
,
235 spo
->interlace_color
->r
,
236 spo
->interlace_color
->g
,
237 spo
->interlace_color
->b
);
238 else spc
->interlace_color
= NULL
;
240 if (spo
->bevel_dark
!= NULL
)
241 spc
->bevel_dark
= RrColorNew(copy
->inst
,
245 else spc
->bevel_dark
= NULL
;
247 if (spo
->bevel_light
!= NULL
)
248 spc
->bevel_light
= RrColorNew(copy
->inst
,
251 spo
->bevel_light
->b
);
252 else spc
->bevel_light
= NULL
;
254 if (spo
->split_primary
!= NULL
)
255 spc
->split_primary
= RrColorNew(copy
->inst
,
256 spo
->split_primary
->r
,
257 spo
->split_primary
->g
,
258 spo
->split_primary
->b
);
259 else spc
->split_primary
= NULL
;
261 if (spo
->split_secondary
!= NULL
)
262 spc
->split_secondary
= RrColorNew(copy
->inst
,
263 spo
->split_secondary
->r
,
264 spo
->split_secondary
->g
,
265 spo
->split_secondary
->b
);
266 else spc
->split_secondary
= NULL
;
268 spc
->interlaced
= spo
->interlaced
;
269 spc
->bevel_light_adjust
= spo
->bevel_light_adjust
;
270 spc
->bevel_dark_adjust
= spo
->bevel_dark_adjust
;
271 spc
->border
= spo
->border
;
273 spc
->parentx
= spc
->parenty
= 0;
274 spc
->pixel_data
= NULL
;
276 copy
->textures
= orig
->textures
;
277 copy
->texture
= g_memdup(orig
->texture
,
278 orig
->textures
* sizeof(RrTexture
));
279 for (i
= 0; i
< copy
->textures
; ++i
)
280 if (copy
->texture
[i
].type
== RR_TEXTURE_RGBA
) {
281 copy
->texture
[i
].data
.rgba
.cache
= NULL
;
284 copy
->xftdraw
= NULL
;
285 copy
->w
= copy
->h
= 0;
289 void RrAppearanceFree(RrAppearance
*a
)
295 if (a
->pixmap
!= None
) XFreePixmap(RrDisplay(a
->inst
), a
->pixmap
);
296 if (a
->xftdraw
!= NULL
) XftDrawDestroy(a
->xftdraw
);
297 for (i
= 0; i
< a
->textures
; ++i
)
298 if (a
->texture
[i
].type
== RR_TEXTURE_RGBA
) {
299 g_free(a
->texture
[i
].data
.rgba
.cache
);
300 a
->texture
[i
].data
.rgba
.cache
= NULL
;
305 RrColorFree(p
->primary
);
306 RrColorFree(p
->secondary
);
307 RrColorFree(p
->border_color
);
308 RrColorFree(p
->interlace_color
);
309 RrColorFree(p
->bevel_dark
);
310 RrColorFree(p
->bevel_light
);
311 RrColorFree(p
->split_primary
);
312 RrColorFree(p
->split_secondary
);
313 g_free(p
->pixel_data
);
314 p
->pixel_data
= NULL
;
320 static void pixel_data_to_pixmap(RrAppearance
*l
,
321 gint x
, gint y
, gint w
, gint h
)
323 RrPixel32
*in
, *scratch
;
326 im
= XCreateImage(RrDisplay(l
->inst
), RrVisual(l
->inst
), RrDepth(l
->inst
),
327 ZPixmap
, 0, NULL
, w
, h
, 32, 0);
328 g_assert(im
!= NULL
);
330 in
= l
->surface
.pixel_data
;
333 /* this malloc is a complete waste of time on normal 32bpp
334 as reduce_depth just sets im->data = data and returns
336 scratch
= g_new(RrPixel32
, im
->width
* im
->height
);
337 im
->data
= (gchar
*) scratch
;
338 RrReduceDepth(l
->inst
, in
, im
);
339 XPutImage(RrDisplay(l
->inst
), out
,
340 DefaultGC(RrDisplay(l
->inst
), RrScreen(l
->inst
)),
341 im
, 0, 0, x
, y
, w
, h
);
347 void RrMargins (RrAppearance
*a
, gint
*l
, gint
*t
, gint
*r
, gint
*b
)
349 *l
= *t
= *r
= *b
= 0;
351 if (a
->surface
.grad
!= RR_SURFACE_PARENTREL
) {
352 if (a
->surface
.relief
!= RR_RELIEF_FLAT
) {
353 switch (a
->surface
.bevel
) {
355 *l
= *t
= *r
= *b
= 1;
358 *l
= *t
= *r
= *b
= 2;
361 } else if (a
->surface
.border
) {
362 *l
= *t
= *r
= *b
= 1;
367 void RrMinSize(RrAppearance
*a
, gint
*w
, gint
*h
)
373 gint
RrMinWidth(RrAppearance
*a
)
380 for (i
= 0; i
< a
->textures
; ++i
) {
381 switch (a
->texture
[i
].type
) {
382 case RR_TEXTURE_NONE
:
384 case RR_TEXTURE_MASK
:
385 w
= MAX(w
, a
->texture
[i
].data
.mask
.mask
->width
);
387 case RR_TEXTURE_TEXT
:
388 m
= RrFontMeasureString(a
->texture
[i
].data
.text
.font
,
389 a
->texture
[i
].data
.text
.string
,
390 a
->texture
[i
].data
.text
.shadow_offset_x
,
391 a
->texture
[i
].data
.text
.shadow_offset_y
);
392 w
= MAX(w
, m
->width
);
395 case RR_TEXTURE_RGBA
:
396 w
+= MAX(w
, a
->texture
[i
].data
.rgba
.width
);
398 case RR_TEXTURE_LINE_ART
:
399 w
+= MAX(w
, MAX(a
->texture
[i
].data
.lineart
.x1
,
400 a
->texture
[i
].data
.lineart
.x2
));
405 RrMargins(a
, &l
, &t
, &r
, &b
);
413 gint
RrMinHeight(RrAppearance
*a
)
419 for (i
= 0; i
< a
->textures
; ++i
) {
420 switch (a
->texture
[i
].type
) {
421 case RR_TEXTURE_NONE
:
423 case RR_TEXTURE_MASK
:
424 h
= MAX(h
, a
->texture
[i
].data
.mask
.mask
->height
);
426 case RR_TEXTURE_TEXT
:
427 h
+= MAX(h
, RrFontHeight(a
->texture
[i
].data
.text
.font
,
428 a
->texture
[i
].data
.text
.shadow_offset_y
));
430 case RR_TEXTURE_RGBA
:
431 h
+= MAX(h
, a
->texture
[i
].data
.rgba
.height
);
433 case RR_TEXTURE_LINE_ART
:
434 h
+= MAX(h
, MAX(a
->texture
[i
].data
.lineart
.y1
,
435 a
->texture
[i
].data
.lineart
.y2
));
440 RrMargins(a
, &l
, &t
, &r
, &b
);
448 static void reverse_bits(gchar
*c
, gint n
)
451 for (i
= 0; i
< n
; i
++, c
++)
452 *c
= (((*c
* 0x0802UL
& 0x22110UL
) |
453 (*c
* 0x8020UL
& 0x88440UL
)) * 0x10101UL
) >> 16;
456 gboolean
RrPixmapToRGBA(const RrInstance
*inst
,
457 Pixmap pmap
, Pixmap mask
,
458 gint
*w
, gint
*h
, RrPixel32
**data
)
462 guint pw
, ph
, mw
, mh
, xb
, xd
, i
, x
, y
, di
;
463 XImage
*xi
, *xm
= NULL
;
465 if (!XGetGeometry(RrDisplay(inst
), pmap
,
466 &xr
, &xx
, &xy
, &pw
, &ph
, &xb
, &xd
))
470 if (!XGetGeometry(RrDisplay(inst
), mask
,
471 &xr
, &xx
, &xy
, &mw
, &mh
, &xb
, &xd
))
473 if (pw
!= mw
|| ph
!= mh
|| xd
!= 1)
477 xi
= XGetImage(RrDisplay(inst
), pmap
,
478 0, 0, pw
, ph
, 0xffffffff, ZPixmap
);
483 xm
= XGetImage(RrDisplay(inst
), mask
,
484 0, 0, mw
, mh
, 0xffffffff, ZPixmap
);
489 if ((xm
->bits_per_pixel
== 1) && (xm
->bitmap_bit_order
!= LSBFirst
))
490 reverse_bits(xm
->data
, xm
->bytes_per_line
* xm
->height
);
493 if ((xi
->bits_per_pixel
== 1) && (xi
->bitmap_bit_order
!= LSBFirst
))
494 reverse_bits(xi
->data
, xi
->bytes_per_line
* xi
->height
);
496 *data
= g_new(RrPixel32
, pw
* ph
);
497 RrIncreaseDepth(inst
, *data
, xi
);
500 /* apply transparency from the mask */
502 for (i
= 0, y
= 0; y
< ph
; ++y
) {
503 for (x
= 0; x
< pw
; ++x
, ++i
) {
504 if (!((((unsigned)xm
->data
[di
+ x
/ 8]) >> (x
% 8)) & 0x1))
505 (*data
)[i
] &= ~(0xff << RrDefaultAlphaOffset
);
507 di
+= xm
->bytes_per_line
;
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