]>
Dogcows Code - chaz/openbox/blob - render/render.c
df47d6dbe8f3d7d234bce61e9a41a192da399412
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 Ben 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.
22 #include <X11/Xutil.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, sw
, sh
, partial_w
, partial_h
;
44 RrPixel32
*source
, *dest
;
46 RrRect tarea
; /* area in which to draw textures */
49 if (w
<= 0 || h
<= 0) return None
;
51 if (a
->surface
.parentx
< 0 || a
->surface
.parenty
< 0) {
52 /* ob_debug("Invalid parent co-ordinates\n"); */
55 resized
= (a
->w
!= w
|| a
->h
!= h
);
57 oldp
= a
->pixmap
; /* save to free after changing the visible pixmap */
58 a
->pixmap
= XCreatePixmap(RrDisplay(a
->inst
),
59 RrRootWindow(a
->inst
),
60 w
, h
, RrDepth(a
->inst
));
62 g_assert(a
->pixmap
!= None
);
66 if (a
->xftdraw
!= NULL
)
67 XftDrawDestroy(a
->xftdraw
);
68 a
->xftdraw
= XftDrawCreate(RrDisplay(a
->inst
), a
->pixmap
,
69 RrVisual(a
->inst
), RrColormap(a
->inst
));
70 g_assert(a
->xftdraw
!= NULL
);
72 g_free(a
->surface
.pixel_data
);
73 a
->surface
.pixel_data
= g_new(RrPixel32
, w
* h
);
75 if (a
->surface
.grad
== RR_SURFACE_PARENTREL
) {
76 g_assert (a
->surface
.parent
);
77 g_assert (a
->surface
.parent
->w
);
79 sw
= a
->surface
.parent
->w
;
80 sh
= a
->surface
.parent
->h
;
82 if (a
->surface
.parentx
>= sw
|| a
->surface
.parenty
>= sh
) {
86 source
= (a
->surface
.parent
->surface
.pixel_data
+
87 a
->surface
.parentx
+ sw
* a
->surface
.parenty
);
88 dest
= a
->surface
.pixel_data
;
90 if (a
->surface
.parentx
+ w
> sw
) {
91 partial_w
= sw
- a
->surface
.parentx
;
94 if (a
->surface
.parenty
+ h
> sh
) {
95 partial_h
= sh
- a
->surface
.parenty
;
98 for (i
= 0; i
< partial_h
; i
++, source
+= sw
, dest
+= w
) {
99 memcpy(dest
, source
, partial_w
* sizeof(RrPixel32
));
106 RrMargins(a
, &l
, &t
, &r
, &b
);
107 RECT_SET(tarea
, l
, t
, w
- l
- r
, h
- t
- b
);
110 for (i
= 0; i
< a
->textures
; i
++) {
111 switch (a
->texture
[i
].type
) {
112 case RR_TEXTURE_NONE
:
114 case RR_TEXTURE_TEXT
:
117 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
)
118 || (a
->surface
.interlaced
))
119 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
121 if (a
->xftdraw
== NULL
) {
122 a
->xftdraw
= XftDrawCreate(RrDisplay(a
->inst
), a
->pixmap
,
124 RrColormap(a
->inst
));
126 RrFontDraw(a
->xftdraw
, &a
->texture
[i
].data
.text
, &tarea
);
128 case RR_TEXTURE_LINE_ART
:
131 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
)
132 || (a
->surface
.interlaced
))
133 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
135 XDrawLine(RrDisplay(a
->inst
), a
->pixmap
,
136 RrColorGC(a
->texture
[i
].data
.lineart
.color
),
137 a
->texture
[i
].data
.lineart
.x1
,
138 a
->texture
[i
].data
.lineart
.y1
,
139 a
->texture
[i
].data
.lineart
.x2
,
140 a
->texture
[i
].data
.lineart
.y2
);
142 case RR_TEXTURE_MASK
:
145 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
)
146 || (a
->surface
.interlaced
))
147 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
149 RrPixmapMaskDraw(a
->pixmap
, &a
->texture
[i
].data
.mask
, &tarea
);
151 case RR_TEXTURE_RGBA
:
152 g_assert(!transferred
);
153 RrImageDraw(a
->surface
.pixel_data
,
154 &a
->texture
[i
].data
.rgba
,
163 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
) || (a
->surface
.interlaced
))
164 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
170 void RrPaint(RrAppearance
*a
, Window win
, gint w
, gint h
)
174 oldp
= RrPaintPixmap(a
, w
, h
);
175 XSetWindowBackgroundPixmap(RrDisplay(a
->inst
), win
, a
->pixmap
);
176 XClearWindow(RrDisplay(a
->inst
), win
);
177 /* free this after changing the visible pixmap */
178 if (oldp
) XFreePixmap(RrDisplay(a
->inst
), oldp
);
181 RrAppearance
*RrAppearanceNew(const RrInstance
*inst
, gint numtex
)
185 out
= g_new0(RrAppearance
, 1);
187 out
->textures
= numtex
;
188 if (numtex
) out
->texture
= g_new0(RrTexture
, numtex
);
193 RrAppearance
*RrAppearanceCopy(RrAppearance
*orig
)
195 RrSurface
*spo
, *spc
;
196 RrAppearance
*copy
= g_new(RrAppearance
, 1);
199 copy
->inst
= orig
->inst
;
201 spo
= &(orig
->surface
);
202 spc
= &(copy
->surface
);
203 spc
->grad
= spo
->grad
;
204 spc
->relief
= spo
->relief
;
205 spc
->bevel
= spo
->bevel
;
206 if (spo
->primary
!= NULL
)
207 spc
->primary
= RrColorNew(copy
->inst
,
211 else spc
->primary
= NULL
;
213 if (spo
->secondary
!= NULL
)
214 spc
->secondary
= RrColorNew(copy
->inst
,
218 else spc
->secondary
= NULL
;
220 if (spo
->border_color
!= NULL
)
221 spc
->border_color
= RrColorNew(copy
->inst
,
222 spo
->border_color
->r
,
223 spo
->border_color
->g
,
224 spo
->border_color
->b
);
225 else spc
->border_color
= NULL
;
227 if (spo
->interlace_color
!= NULL
)
228 spc
->interlace_color
= RrColorNew(copy
->inst
,
229 spo
->interlace_color
->r
,
230 spo
->interlace_color
->g
,
231 spo
->interlace_color
->b
);
232 else spc
->interlace_color
= NULL
;
234 if (spo
->bevel_dark
!= NULL
)
235 spc
->bevel_dark
= RrColorNew(copy
->inst
,
239 else spc
->bevel_dark
= NULL
;
241 if (spo
->bevel_light
!= NULL
)
242 spc
->bevel_light
= RrColorNew(copy
->inst
,
245 spo
->bevel_light
->b
);
246 else spc
->bevel_light
= NULL
;
248 spc
->interlaced
= spo
->interlaced
;
249 spc
->border
= spo
->border
;
251 spc
->parentx
= spc
->parenty
= 0;
252 spc
->pixel_data
= NULL
;
254 copy
->textures
= orig
->textures
;
255 copy
->texture
= g_memdup(orig
->texture
,
256 orig
->textures
* sizeof(RrTexture
));
257 for (i
= 0; i
< copy
->textures
; ++i
)
258 if (copy
->texture
[i
].type
== RR_TEXTURE_RGBA
) {
259 copy
->texture
[i
].data
.rgba
.cache
= NULL
;
262 copy
->xftdraw
= NULL
;
263 copy
->w
= copy
->h
= 0;
267 void RrAppearanceFree(RrAppearance
*a
)
273 if (a
->pixmap
!= None
) XFreePixmap(RrDisplay(a
->inst
), a
->pixmap
);
274 if (a
->xftdraw
!= NULL
) XftDrawDestroy(a
->xftdraw
);
275 for (i
= 0; i
< a
->textures
; ++i
)
276 if (a
->texture
[i
].type
== RR_TEXTURE_RGBA
) {
277 g_free(a
->texture
[i
].data
.rgba
.cache
);
278 a
->texture
[i
].data
.rgba
.cache
= NULL
;
283 RrColorFree(p
->primary
);
284 RrColorFree(p
->secondary
);
285 RrColorFree(p
->border_color
);
286 RrColorFree(p
->interlace_color
);
287 RrColorFree(p
->bevel_dark
);
288 RrColorFree(p
->bevel_light
);
289 g_free(p
->pixel_data
);
290 p
->pixel_data
= NULL
;
296 static void pixel_data_to_pixmap(RrAppearance
*l
,
297 gint x
, gint y
, gint w
, gint h
)
299 RrPixel32
*in
, *scratch
;
302 im
= XCreateImage(RrDisplay(l
->inst
), RrVisual(l
->inst
), RrDepth(l
->inst
),
303 ZPixmap
, 0, NULL
, w
, h
, 32, 0);
304 g_assert(im
!= NULL
);
306 in
= l
->surface
.pixel_data
;
309 /* this malloc is a complete waste of time on normal 32bpp
310 as reduce_depth just sets im->data = data and returns
312 scratch
= g_new(RrPixel32
, im
->width
* im
->height
);
313 im
->data
= (gchar
*) scratch
;
314 RrReduceDepth(l
->inst
, in
, im
);
315 XPutImage(RrDisplay(l
->inst
), out
,
316 DefaultGC(RrDisplay(l
->inst
), RrScreen(l
->inst
)),
317 im
, 0, 0, x
, y
, w
, h
);
323 void RrMargins (RrAppearance
*a
, gint
*l
, gint
*t
, gint
*r
, gint
*b
)
325 *l
= *t
= *r
= *b
= 0;
327 if (a
->surface
.grad
!= RR_SURFACE_PARENTREL
) {
328 if (a
->surface
.relief
!= RR_RELIEF_FLAT
) {
329 switch (a
->surface
.bevel
) {
331 *l
= *t
= *r
= *b
= 1;
334 *l
= *t
= *r
= *b
= 2;
337 } else if (a
->surface
.border
) {
338 *l
= *t
= *r
= *b
= 1;
343 void RrMinsize(RrAppearance
*a
, gint
*w
, gint
*h
)
350 for (i
= 0; i
< a
->textures
; ++i
) {
351 switch (a
->texture
[i
].type
) {
352 case RR_TEXTURE_NONE
:
354 case RR_TEXTURE_MASK
:
355 *w
= MAX(*w
, a
->texture
[i
].data
.mask
.mask
->width
);
356 *h
= MAX(*h
, a
->texture
[i
].data
.mask
.mask
->height
);
358 case RR_TEXTURE_TEXT
:
359 m
= RrFontMeasureString(a
->texture
[i
].data
.text
.font
,
360 a
->texture
[i
].data
.text
.string
,
361 a
->texture
[i
].data
.text
.shadow_offset_x
,
362 a
->texture
[i
].data
.text
.shadow_offset_y
);
363 *w
= MAX(*w
, m
->width
+ 4);
364 m
->height
= RrFontHeight(a
->texture
[i
].data
.text
.font
,
365 a
->texture
[i
].data
.text
.shadow_offset_y
);
366 *h
+= MAX(*h
, m
->height
);
369 case RR_TEXTURE_RGBA
:
370 *w
+= MAX(*w
, a
->texture
[i
].data
.rgba
.width
);
371 *h
+= MAX(*h
, a
->texture
[i
].data
.rgba
.height
);
373 case RR_TEXTURE_LINE_ART
:
374 *w
+= MAX(*w
, MAX(a
->texture
[i
].data
.lineart
.x1
,
375 a
->texture
[i
].data
.lineart
.x2
));
376 *h
+= MAX(*h
, MAX(a
->texture
[i
].data
.lineart
.y1
,
377 a
->texture
[i
].data
.lineart
.y2
));
382 RrMargins(a
, &l
, &t
, &r
, &b
);
391 static void reverse_bits(gchar
*c
, gint n
)
394 for (i
= 0; i
< n
; i
++, c
++)
395 *c
= (((*c
* 0x0802UL
& 0x22110UL
) |
396 (*c
* 0x8020UL
& 0x88440UL
)) * 0x10101UL
) >> 16;
399 gboolean
RrPixmapToRGBA(const RrInstance
*inst
,
400 Pixmap pmap
, Pixmap mask
,
401 gint
*w
, gint
*h
, RrPixel32
**data
)
405 guint pw
, ph
, mw
, mh
, xb
, xd
, i
, x
, y
, di
;
406 XImage
*xi
, *xm
= NULL
;
408 if (!XGetGeometry(RrDisplay(inst
), pmap
,
409 &xr
, &xx
, &xy
, &pw
, &ph
, &xb
, &xd
))
413 if (!XGetGeometry(RrDisplay(inst
), mask
,
414 &xr
, &xx
, &xy
, &mw
, &mh
, &xb
, &xd
))
416 if (pw
!= mw
|| ph
!= mh
|| xd
!= 1)
420 xi
= XGetImage(RrDisplay(inst
), pmap
,
421 0, 0, pw
, ph
, 0xffffffff, ZPixmap
);
426 xm
= XGetImage(RrDisplay(inst
), mask
,
427 0, 0, mw
, mh
, 0xffffffff, ZPixmap
);
432 if ((xm
->bits_per_pixel
== 1) && (xm
->bitmap_bit_order
!= LSBFirst
))
433 reverse_bits(xm
->data
, xm
->bytes_per_line
* xm
->height
);
436 if ((xi
->bits_per_pixel
== 1) && (xi
->bitmap_bit_order
!= LSBFirst
))
437 reverse_bits(xi
->data
, xi
->bytes_per_line
* xi
->height
);
439 *data
= g_new(RrPixel32
, pw
* ph
);
440 RrIncreaseDepth(inst
, *data
, xi
);
443 /* apply transparency from the mask */
445 for (i
= 0, y
= 0; y
< ph
; ++y
) {
446 for (x
= 0; x
< pw
; ++x
, ++i
) {
447 if (!((((unsigned)xm
->data
[di
+ x
/ 8]) >> (x
% 8)) & 0x1))
448 (*data
)[i
] &= ~(0xff << RrDefaultAlphaOffset
);
450 di
+= xm
->bytes_per_line
;
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