]>
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, 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"); */
56 if (a
->surface
.grad
== RR_SURFACE_PARENTREL
&&
57 (a
->surface
.parentx
>= a
->surface
.parent
->w
||
58 a
->surface
.parenty
>= a
->surface
.parent
->h
))
63 resized
= (a
->w
!= w
|| a
->h
!= h
);
65 oldp
= a
->pixmap
; /* save to free after changing the visible pixmap */
66 a
->pixmap
= XCreatePixmap(RrDisplay(a
->inst
),
67 RrRootWindow(a
->inst
),
68 w
, h
, RrDepth(a
->inst
));
70 g_assert(a
->pixmap
!= None
);
74 if (a
->xftdraw
!= NULL
)
75 XftDrawDestroy(a
->xftdraw
);
76 a
->xftdraw
= XftDrawCreate(RrDisplay(a
->inst
), a
->pixmap
,
77 RrVisual(a
->inst
), RrColormap(a
->inst
));
78 g_assert(a
->xftdraw
!= NULL
);
80 g_free(a
->surface
.pixel_data
);
81 a
->surface
.pixel_data
= g_new(RrPixel32
, w
* h
);
83 if (a
->surface
.grad
== RR_SURFACE_PARENTREL
) {
84 g_assert (a
->surface
.parent
);
85 g_assert (a
->surface
.parent
->w
);
87 sw
= a
->surface
.parent
->w
;
88 sh
= a
->surface
.parent
->h
;
90 source
= (a
->surface
.parent
->surface
.pixel_data
+
91 a
->surface
.parentx
+ sw
* a
->surface
.parenty
);
92 dest
= a
->surface
.pixel_data
;
94 if (a
->surface
.parentx
+ w
> sw
) {
95 partial_w
= sw
- a
->surface
.parentx
;
98 if (a
->surface
.parenty
+ h
> sh
) {
99 partial_h
= sh
- a
->surface
.parenty
;
100 } else partial_h
= h
;
102 for (i
= 0; i
< partial_h
; i
++, source
+= sw
, dest
+= w
) {
103 memcpy(dest
, source
, partial_w
* sizeof(RrPixel32
));
110 RrMargins(a
, &l
, &t
, &r
, &b
);
111 RECT_SET(tarea
, l
, t
, w
- l
- r
, h
- t
- b
);
114 for (i
= 0; i
< a
->textures
; i
++) {
115 switch (a
->texture
[i
].type
) {
116 case RR_TEXTURE_NONE
:
118 case RR_TEXTURE_TEXT
:
121 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
)
122 || (a
->surface
.interlaced
))
123 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
125 if (a
->xftdraw
== NULL
) {
126 a
->xftdraw
= XftDrawCreate(RrDisplay(a
->inst
), a
->pixmap
,
128 RrColormap(a
->inst
));
130 RrFontDraw(a
->xftdraw
, &a
->texture
[i
].data
.text
, &tarea
);
132 case RR_TEXTURE_LINE_ART
:
135 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
)
136 || (a
->surface
.interlaced
))
137 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
139 XDrawLine(RrDisplay(a
->inst
), a
->pixmap
,
140 RrColorGC(a
->texture
[i
].data
.lineart
.color
),
141 a
->texture
[i
].data
.lineart
.x1
,
142 a
->texture
[i
].data
.lineart
.y1
,
143 a
->texture
[i
].data
.lineart
.x2
,
144 a
->texture
[i
].data
.lineart
.y2
);
146 case RR_TEXTURE_MASK
:
149 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
)
150 || (a
->surface
.interlaced
))
151 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
153 RrPixmapMaskDraw(a
->pixmap
, &a
->texture
[i
].data
.mask
, &tarea
);
155 case RR_TEXTURE_RGBA
:
156 g_assert(!transferred
);
157 RrImageDraw(a
->surface
.pixel_data
,
158 &a
->texture
[i
].data
.rgba
,
167 if ((a
->surface
.grad
!= RR_SURFACE_SOLID
) || (a
->surface
.interlaced
))
168 pixel_data_to_pixmap(a
, 0, 0, w
, h
);
174 void RrPaint(RrAppearance
*a
, Window win
, gint w
, gint h
)
178 oldp
= RrPaintPixmap(a
, w
, h
);
179 XSetWindowBackgroundPixmap(RrDisplay(a
->inst
), win
, a
->pixmap
);
180 XClearWindow(RrDisplay(a
->inst
), win
);
181 /* free this after changing the visible pixmap */
182 if (oldp
) XFreePixmap(RrDisplay(a
->inst
), oldp
);
185 RrAppearance
*RrAppearanceNew(const RrInstance
*inst
, gint numtex
)
189 out
= g_new0(RrAppearance
, 1);
191 out
->textures
= numtex
;
192 if (numtex
) out
->texture
= g_new0(RrTexture
, numtex
);
197 void RrAppearanceAddTextures(RrAppearance
*a
, gint numtex
)
199 g_assert(a
->textures
== 0);
201 a
->textures
= numtex
;
202 if (numtex
) a
->texture
= g_new0(RrTexture
, numtex
);
205 RrAppearance
*RrAppearanceCopy(RrAppearance
*orig
)
207 RrSurface
*spo
, *spc
;
208 RrAppearance
*copy
= g_new(RrAppearance
, 1);
211 copy
->inst
= orig
->inst
;
213 spo
= &(orig
->surface
);
214 spc
= &(copy
->surface
);
215 spc
->grad
= spo
->grad
;
216 spc
->relief
= spo
->relief
;
217 spc
->bevel
= spo
->bevel
;
218 if (spo
->primary
!= NULL
)
219 spc
->primary
= RrColorNew(copy
->inst
,
223 else spc
->primary
= NULL
;
225 if (spo
->secondary
!= NULL
)
226 spc
->secondary
= RrColorNew(copy
->inst
,
230 else spc
->secondary
= NULL
;
232 if (spo
->border_color
!= NULL
)
233 spc
->border_color
= RrColorNew(copy
->inst
,
234 spo
->border_color
->r
,
235 spo
->border_color
->g
,
236 spo
->border_color
->b
);
237 else spc
->border_color
= NULL
;
239 if (spo
->interlace_color
!= NULL
)
240 spc
->interlace_color
= RrColorNew(copy
->inst
,
241 spo
->interlace_color
->r
,
242 spo
->interlace_color
->g
,
243 spo
->interlace_color
->b
);
244 else spc
->interlace_color
= NULL
;
246 if (spo
->bevel_dark
!= NULL
)
247 spc
->bevel_dark
= RrColorNew(copy
->inst
,
251 else spc
->bevel_dark
= NULL
;
253 if (spo
->bevel_light
!= NULL
)
254 spc
->bevel_light
= RrColorNew(copy
->inst
,
257 spo
->bevel_light
->b
);
258 else spc
->bevel_light
= NULL
;
260 spc
->interlaced
= spo
->interlaced
;
261 spc
->border
= spo
->border
;
263 spc
->parentx
= spc
->parenty
= 0;
264 spc
->pixel_data
= NULL
;
266 copy
->textures
= orig
->textures
;
267 copy
->texture
= g_memdup(orig
->texture
,
268 orig
->textures
* sizeof(RrTexture
));
269 for (i
= 0; i
< copy
->textures
; ++i
)
270 if (copy
->texture
[i
].type
== RR_TEXTURE_RGBA
) {
271 copy
->texture
[i
].data
.rgba
.cache
= NULL
;
274 copy
->xftdraw
= NULL
;
275 copy
->w
= copy
->h
= 0;
279 void RrAppearanceFree(RrAppearance
*a
)
285 if (a
->pixmap
!= None
) XFreePixmap(RrDisplay(a
->inst
), a
->pixmap
);
286 if (a
->xftdraw
!= NULL
) XftDrawDestroy(a
->xftdraw
);
287 for (i
= 0; i
< a
->textures
; ++i
)
288 if (a
->texture
[i
].type
== RR_TEXTURE_RGBA
) {
289 g_free(a
->texture
[i
].data
.rgba
.cache
);
290 a
->texture
[i
].data
.rgba
.cache
= NULL
;
295 RrColorFree(p
->primary
);
296 RrColorFree(p
->secondary
);
297 RrColorFree(p
->border_color
);
298 RrColorFree(p
->interlace_color
);
299 RrColorFree(p
->bevel_dark
);
300 RrColorFree(p
->bevel_light
);
301 g_free(p
->pixel_data
);
302 p
->pixel_data
= NULL
;
308 static void pixel_data_to_pixmap(RrAppearance
*l
,
309 gint x
, gint y
, gint w
, gint h
)
311 RrPixel32
*in
, *scratch
;
314 im
= XCreateImage(RrDisplay(l
->inst
), RrVisual(l
->inst
), RrDepth(l
->inst
),
315 ZPixmap
, 0, NULL
, w
, h
, 32, 0);
316 g_assert(im
!= NULL
);
318 in
= l
->surface
.pixel_data
;
321 /* this malloc is a complete waste of time on normal 32bpp
322 as reduce_depth just sets im->data = data and returns
324 scratch
= g_new(RrPixel32
, im
->width
* im
->height
);
325 im
->data
= (gchar
*) scratch
;
326 RrReduceDepth(l
->inst
, in
, im
);
327 XPutImage(RrDisplay(l
->inst
), out
,
328 DefaultGC(RrDisplay(l
->inst
), RrScreen(l
->inst
)),
329 im
, 0, 0, x
, y
, w
, h
);
335 void RrMargins (RrAppearance
*a
, gint
*l
, gint
*t
, gint
*r
, gint
*b
)
337 *l
= *t
= *r
= *b
= 0;
339 if (a
->surface
.grad
!= RR_SURFACE_PARENTREL
) {
340 if (a
->surface
.relief
!= RR_RELIEF_FLAT
) {
341 switch (a
->surface
.bevel
) {
343 *l
= *t
= *r
= *b
= 1;
346 *l
= *t
= *r
= *b
= 2;
349 } else if (a
->surface
.border
) {
350 *l
= *t
= *r
= *b
= 1;
355 void RrMinSize(RrAppearance
*a
, gint
*w
, gint
*h
)
361 gint
RrMinWidth(RrAppearance
*a
)
368 for (i
= 0; i
< a
->textures
; ++i
) {
369 switch (a
->texture
[i
].type
) {
370 case RR_TEXTURE_NONE
:
372 case RR_TEXTURE_MASK
:
373 w
= MAX(w
, a
->texture
[i
].data
.mask
.mask
->width
);
375 case RR_TEXTURE_TEXT
:
376 m
= RrFontMeasureString(a
->texture
[i
].data
.text
.font
,
377 a
->texture
[i
].data
.text
.string
,
378 a
->texture
[i
].data
.text
.shadow_offset_x
,
379 a
->texture
[i
].data
.text
.shadow_offset_y
);
380 w
= MAX(w
, m
->width
);
383 case RR_TEXTURE_RGBA
:
384 w
+= MAX(w
, a
->texture
[i
].data
.rgba
.width
);
386 case RR_TEXTURE_LINE_ART
:
387 w
+= MAX(w
, MAX(a
->texture
[i
].data
.lineart
.x1
,
388 a
->texture
[i
].data
.lineart
.x2
));
393 RrMargins(a
, &l
, &t
, &r
, &b
);
401 gint
RrMinHeight(RrAppearance
*a
)
407 for (i
= 0; i
< a
->textures
; ++i
) {
408 switch (a
->texture
[i
].type
) {
409 case RR_TEXTURE_NONE
:
411 case RR_TEXTURE_MASK
:
412 h
= MAX(h
, a
->texture
[i
].data
.mask
.mask
->height
);
414 case RR_TEXTURE_TEXT
:
415 h
+= MAX(h
, RrFontHeight(a
->texture
[i
].data
.text
.font
,
416 a
->texture
[i
].data
.text
.shadow_offset_y
));
418 case RR_TEXTURE_RGBA
:
419 h
+= MAX(h
, a
->texture
[i
].data
.rgba
.height
);
421 case RR_TEXTURE_LINE_ART
:
422 h
+= MAX(h
, MAX(a
->texture
[i
].data
.lineart
.y1
,
423 a
->texture
[i
].data
.lineart
.y2
));
428 RrMargins(a
, &l
, &t
, &r
, &b
);
436 static void reverse_bits(gchar
*c
, gint n
)
439 for (i
= 0; i
< n
; i
++, c
++)
440 *c
= (((*c
* 0x0802UL
& 0x22110UL
) |
441 (*c
* 0x8020UL
& 0x88440UL
)) * 0x10101UL
) >> 16;
444 gboolean
RrPixmapToRGBA(const RrInstance
*inst
,
445 Pixmap pmap
, Pixmap mask
,
446 gint
*w
, gint
*h
, RrPixel32
**data
)
450 guint pw
, ph
, mw
, mh
, xb
, xd
, i
, x
, y
, di
;
451 XImage
*xi
, *xm
= NULL
;
453 if (!XGetGeometry(RrDisplay(inst
), pmap
,
454 &xr
, &xx
, &xy
, &pw
, &ph
, &xb
, &xd
))
458 if (!XGetGeometry(RrDisplay(inst
), mask
,
459 &xr
, &xx
, &xy
, &mw
, &mh
, &xb
, &xd
))
461 if (pw
!= mw
|| ph
!= mh
|| xd
!= 1)
465 xi
= XGetImage(RrDisplay(inst
), pmap
,
466 0, 0, pw
, ph
, 0xffffffff, ZPixmap
);
471 xm
= XGetImage(RrDisplay(inst
), mask
,
472 0, 0, mw
, mh
, 0xffffffff, ZPixmap
);
477 if ((xm
->bits_per_pixel
== 1) && (xm
->bitmap_bit_order
!= LSBFirst
))
478 reverse_bits(xm
->data
, xm
->bytes_per_line
* xm
->height
);
481 if ((xi
->bits_per_pixel
== 1) && (xi
->bitmap_bit_order
!= LSBFirst
))
482 reverse_bits(xi
->data
, xi
->bytes_per_line
* xi
->height
);
484 *data
= g_new(RrPixel32
, pw
* ph
);
485 RrIncreaseDepth(inst
, *data
, xi
);
488 /* apply transparency from the mask */
490 for (i
= 0, y
= 0; y
< ph
; ++y
) {
491 for (x
= 0; x
< pw
; ++x
, ++i
) {
492 if (!((((unsigned)xm
->data
[di
+ x
/ 8]) >> (x
% 8)) & 0x1))
493 (*data
)[i
] &= ~(0xff << RrDefaultAlphaOffset
);
495 di
+= xm
->bytes_per_line
;
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