[ViewVC] Diff of: cvs/rxvt-unicode/src/rxvtimg.C

Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.14 by root, Mon Jun 4 15:53:12 2012 UTC vs.
Revision 1.36 by root, Thu Jun 7 08:45:34 2012 UTC

…		…
2	#include "../config.h"	2	#include "../config.h"
3	#include "rxvt.h"	3	#include "rxvt.h"
4		4
5	#if HAVE_IMG	5	#if HAVE_IMG
6		6
7	#define float_to_component(d) ((d) * 65535.99)
8
9	rxvt_img::rxvt_img (rxvt_screen screen, XRenderPictFormat format, int width, int height)	7	rxvt_img::rxvt_img (rxvt_screen screen, XRenderPictFormat format, int x, int y, int width, int height)
10	: s(screen), w(width), h(height), format(format), shared(false)	8	: s(screen), x(x), y(y), w(width), h(height), format(format), repeat(RepeatNormal),
		9	pm(0), ref(0)
11	{	10	{
12	pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
13	}	11	}
14		12
		13	rxvt_img::rxvt_img (const rxvt_img &img)
		14	: s(img.s), x(img.x), y(img.y), w(img.w), h(img.h), format(img.format), repeat(img.repeat), pm(img.pm), ref(img.ref)
		15	{
		16	++ref->cnt;
		17	}
		18
		19	#if 0
15	rxvt_img::rxvt_img (rxvt_screen screen, XRenderPictFormat format, int width, int height, Pixmap pixmap)	20	rxvt_img::rxvt_img (rxvt_screen screen, XRenderPictFormat format, int width, int height, Pixmap pixmap)
16	: s(screen), pm(pixmap), w(width), h(height), format(format), shared(false)	21	: s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap)
17	{	22	{
		23	}
		24	#endif
		25
		26	rxvt_img *
		27	rxvt_img::new_from_root (rxvt_screen *s)
		28	{
		29	Display *dpy = s->display->dpy;
		30	unsigned int root_pm_w, root_pm_h;
		31	Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_XROOTPMAP_ID]);
		32	if (root_pixmap == None)
		33	root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_ESETROOT_PMAP_ID]);
		34
		35	if (root_pixmap == None)
		36	return 0;
		37
		38	Window wdummy;
		39	int idummy;
		40	unsigned int udummy;
		41
		42	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pm_w, &root_pm_h, &udummy, &udummy))
		43	return 0;
		44
		45	rxvt_img *img = new rxvt_img (
		46	s,
		47	XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)),
		48	0,
		49	0,
		50	root_pm_w,
		51	root_pm_h
		52	);
		53
		54	img->pm = root_pixmap;
		55	img->ref = new pixref (root_pm_w, root_pm_h);
		56	img->ref->ours = false;
		57
		58	return img;
18	}	59	}
19		60
20	rxvt_img *	61	rxvt_img *
21	rxvt_img::new_from_file (rxvt_screen s, const char filename)	62	rxvt_img::new_from_file (rxvt_screen s, const char filename)
22	{	63	{
…		…
27	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);	68	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
28		69
29	rxvt_img *img = new rxvt_img (	70	rxvt_img *img = new rxvt_img (
30	s,	71	s,
31	XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24),	72	XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24),
		73	0,
		74	0,
32	gdk_pixbuf_get_width (pb),	75	gdk_pixbuf_get_width (pb),
33	gdk_pixbuf_get_height (pb)	76	gdk_pixbuf_get_height (pb)
34	);	77	);
35		78	img->alloc ();
36	img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);	79	img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);
37		80
		81	g_object_unref (pb);
		82
		83	return img;
		84	}
		85
		86	void
		87	rxvt_img::destroy ()
		88	{
		89	if (--ref->cnt)
38	return img;	90	return;
		91
		92	if (pm && ref->ours)
		93	XFreePixmap (s->display->dpy, pm);
		94
		95	delete ref;
39	}	96	}
40		97
41	rxvt_img::~rxvt_img ()	98	rxvt_img::~rxvt_img ()
42	{	99	{
43	if (!shared)	100	destroy ();
44	XFreePixmap (s->display->dpy, pm);	101	}
		102
		103	void
		104	rxvt_img::alloc ()
		105	{
		106	pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
		107	ref = new pixref (w, h);
		108	}
		109
		110	Picture
		111	rxvt_img::src_picture ()
		112	{
		113	Display *dpy = s->display->dpy;
		114
		115	XRenderPictureAttributes pa;
		116	pa.repeat = repeat;
		117	Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
		118
		119	return pic;
45	}	120	}
46		121
47	void	122	void
48	rxvt_img::unshare ()	123	rxvt_img::unshare ()
49	{	124	{
50	if (!shared)	125	if (ref->cnt == 1 && ref->ours)
51	return;	126	return;
52		127
53	rxvt_img *img = clone ();	128	//TODO: maybe should reify instead
		129	Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
		130	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
		131	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
		132	XFreeGC (s->display->dpy, gc);
54		133
55	::swap (pm , img->pm);	134	destroy ();
56	::swap (shared, img->shared);
57		135
58	delete img;	136	pm = pm2;
		137	ref = new pixref (ref->w, ref->h);
59	}	138	}
60		139
61	void	140	void
62	rxvt_img::fill (const rxvt_color &c)	141	rxvt_img::fill (const rxvt_color &c)
63	{	142	{
…		…
87		166
88	for (int i = 0; i < width; i++)	167	for (int i = 0; i < width; i++)
89	params[i+2] = XDoubleToFixed (kernel[i] / sum);	168	params[i+2] = XDoubleToFixed (kernel[i] / sum);
90	}	169	}
91		170
92	void	171	rxvt_img *
93	rxvt_img::blur (int rh, int rv)	172	rxvt_img::blur (int rh, int rv)
94	{	173	{
95	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))	174	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))
96	return;	175	return clone ();
97		176
98	Display *dpy = s->display->dpy;	177	Display *dpy = s->display->dpy;
99	int size = max (rh, rv) * 2 + 1;	178	int size = max (rh, rv) * 2 + 1;
100	double kernel = (double )malloc (size * sizeof (double));	179	double kernel = (double )malloc (size * sizeof (double));
101	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	180	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
		181	rxvt_img *img = new rxvt_img (s, format, x, y, w, h);
		182	img->alloc ();
		183
		184	Picture src = src_picture ();
102		185
103	XRenderPictureAttributes pa;	186	XRenderPictureAttributes pa;
104
105	pa.repeat = RepeatPad;	187	pa.repeat = RepeatPad;
106	Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);	188	Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
		189
107	Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth);	190	Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
108	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);	191	Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
109	XFreePixmap (dpy, tmp);	192	XFreePixmap (dpy, tmp_pm);
110		193
111	if (kernel && params)	194	if (kernel && params)
112	{	195	{
113	size = rh * 2 + 1;	196	size = rh * 2 + 1;
114	get_gaussian_kernel (rh, size, kernel, params);	197	get_gaussian_kernel (rh, size, kernel, params);
…		…
116	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	199	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
117	XRenderComposite (dpy,	200	XRenderComposite (dpy,
118	PictOpSrc,	201	PictOpSrc,
119	src,	202	src,
120	None,	203	None,
121	dst,	204	tmp,
122	0, 0,	205	0, 0,
123	0, 0,	206	0, 0,
124	0, 0,	207	0, 0,
125	w, h);	208	w, h);
126		209
127	::swap (src, dst);
128
129	size = rv * 2 + 1;	210	size = rv * 2 + 1;
130	get_gaussian_kernel (rv, size, kernel, params);	211	get_gaussian_kernel (rv, size, kernel, params);
131	::swap (params[0], params[1]);	212	::swap (params[0], params[1]);
132		213
133	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	214	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
134	XRenderComposite (dpy,	215	XRenderComposite (dpy,
135	PictOpSrc,	216	PictOpSrc,
136	src,	217	tmp,
137	None,	218	None,
138	dst,	219	dst,
139	0, 0,	220	0, 0,
140	0, 0,	221	0, 0,
141	0, 0,	222	0, 0,
…		…
144		225
145	free (kernel);	226	free (kernel);
146	free (params);	227	free (params);
147	XRenderFreePicture (dpy, src);	228	XRenderFreePicture (dpy, src);
148	XRenderFreePicture (dpy, dst);	229	XRenderFreePicture (dpy, dst);
		230	XRenderFreePicture (dpy, tmp);
		231
		232	return img;
149	}	233	}
150		234
151	static Picture	235	static Picture
152	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)	236	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)
153	{	237	{
…		…
162		246
163	return mask;	247	return mask;
164	}	248	}
165		249
166	void	250	void
167	rxvt_img::brightness (double r, double g, double b, double a)	251	rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
168	{	252	{
169	Display *dpy = s->display->dpy;	253	Display *dpy = s->display->dpy;
170	Picture src = create_xrender_mask (dpy, pm, True);	254	Picture src = create_xrender_mask (dpy, pm, True);
171	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	255	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
172		256
173	XRenderColor mask_c;	257	XRenderColor mask_c;
174	mask_c.red = float_to_component (r);	258	mask_c.red = r;
175	mask_c.green = float_to_component (g);	259	mask_c.green = g;
176	mask_c.blue = float_to_component (b);	260	mask_c.blue = b;
177	mask_c.alpha = float_to_component (a);	261	mask_c.alpha = a;
178	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	262	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
179		263
180	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	264	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
		265
		266	XRenderFreePicture (dpy, src);
		267	XRenderFreePicture (dpy, dst);
181	}	268	}
182		269
183	void	270	void
184	rxvt_img::contrast (double r, double g, double b, double a)	271	rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
185	{	272	{
186	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))	273	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
187	return;	274	return;
188		275
189	Display *dpy = s->display->dpy;	276	Display *dpy = s->display->dpy;
190	Picture src = create_xrender_mask (dpy, pm, True);	277	Picture src = create_xrender_mask (dpy, pm, True);
191	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	278	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
192		279
193	XRenderColor mask_c;	280	XRenderColor mask_c;
194	mask_c.red = float_to_component (r);	281	mask_c.red = r;
195	mask_c.green = float_to_component (g);	282	mask_c.green = g;
196	mask_c.blue = float_to_component (b);	283	mask_c.blue = b;
197	mask_c.alpha = float_to_component (a);	284	mask_c.alpha = a;
198	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	285	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
199		286
200	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	287	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
		288
		289	XRenderFreePicture (dpy, src);
		290	XRenderFreePicture (dpy, dst);
201	}	291	}
202		292
203	bool	293	bool
204	rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y)	294	rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y)
205	{	295	{
206	bool argb = format->id == PictStandardARGB32;
207
208	Display *dpy = s->display->dpy;	296	Display *dpy = s->display->dpy;
209		297
210	if (s->visual->c_class != TrueColor)	298	if (s->visual->c_class != TrueColor)
211	return false;	299	return false;
212		300
213	uint32_t red_mask, green_mask, blue_mask, alpha_mask;	301	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
214		302
215	if (argb)	303	red_mask = (uint32_t)format->direct.redMask << format->direct.red;
216	{	304	green_mask = (uint32_t)format->direct.greenMask << format->direct.green;
217	red_mask = 0xff << 16;	305	blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue;
218	green_mask = 0xff << 8;
219	blue_mask = 0xff;
220	alpha_mask = 0xff << 24;
221	}
222	else
223	{
224	red_mask = s->visual->red_mask;
225	green_mask = s->visual->green_mask;
226	blue_mask = s->visual->blue_mask;
227	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;	306	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
228	}
229		307
230	int width_r = ecb_popcount32 (red_mask);	308	int width_r = ecb_popcount32 (red_mask);
231	int width_g = ecb_popcount32 (green_mask);	309	int width_g = ecb_popcount32 (green_mask);
232	int width_b = ecb_popcount32 (blue_mask);	310	int width_b = ecb_popcount32 (blue_mask);
233	int width_a = ecb_popcount32 (alpha_mask);	311	int width_a = ecb_popcount32 (alpha_mask);
…		…
241	int sh_a = ecb_ctz32 (alpha_mask);	319	int sh_a = ecb_ctz32 (alpha_mask);
242		320
243	if (width > 32767 \|\| height > 32767)	321	if (width > 32767 \|\| height > 32767)
244	return false;	322	return false;
245		323
246	XImage *ximage = XCreateImage (dpy, s->visual, argb ? 32 : format->depth, ZPixmap, 0, 0,	324	XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0,
247	width, height, 32, 0);	325	width, height, 32, 0);
248	if (!ximage)	326	if (!ximage)
249	return false;	327	return false;
250		328
251	if (height > INT_MAX / ximage->bytes_per_line	329	if (height > INT_MAX / ximage->bytes_per_line
…		…
261		339
262	int rowstride = gdk_pixbuf_get_rowstride (pixbuf);	340	int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
263	int channels = gdk_pixbuf_get_n_channels (pixbuf);	341	int channels = gdk_pixbuf_get_n_channels (pixbuf);
264	unsigned char row = gdk_pixbuf_get_pixels (pixbuf) + src_y rowstride + src_x * channels;	342	unsigned char row = gdk_pixbuf_get_pixels (pixbuf) + src_y rowstride + src_x * channels;
265	char *line = ximage->data;	343	char *line = ximage->data;
266
267	rgba c (0, 0, 0);
268
269	if (channels == 4 && alpha_mask == 0)
270	{
271	//pix_colors[Color_bg].get (c);
272	//TODO
273	c.r >>= 8;
274	c.g >>= 8;
275	c.b >>= 8;
276	}
277		344
278	for (int y = 0; y < height; y++)	345	for (int y = 0; y < height; y++)
279	{	346	{
280	for (int x = 0; x < width; x++)	347	for (int x = 0; x < width; x++)
281	{	348	{
…		…
284	unsigned char r, g, b, a;	351	unsigned char r, g, b, a;
285		352
286	if (channels == 4)	353	if (channels == 4)
287	{	354	{
288	a = pixel[3];	355	a = pixel[3];
289	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;	356	r = pixel[0] * a / 0xff;
290	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;	357	g = pixel[1] * a / 0xff;
291	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;	358	b = pixel[2] * a / 0xff;
292	}	359	}
293	else	360	else
294	{	361	{
295	a = 0xff;	362	a = 0xff;
296	r = pixel[0];	363	r = pixel[0];
…		…
321	}	388	}
322		389
323	rxvt_img *	390	rxvt_img *
324	rxvt_img::clone ()	391	rxvt_img::clone ()
325	{	392	{
326	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);	393	return new rxvt_img (*this);
327	Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth);
328	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0);
329	XFreeGC (s->display->dpy, gc);
330	return new rxvt_img (s, format, w, h, pm2);
331	}	394	}
332		395
333	rxvt_img *	396	rxvt_img *
		397	rxvt_img::reify ()
		398	{
		399	if (x == 0 && y == 0 && w == ref->w && h == ref->h)
		400	return clone ();
		401
		402	rxvt_img *img = new rxvt_img (s, format, 0, 0, w, h);
		403	img->alloc ();
		404
		405	Display *dpy = s->display->dpy;
		406
		407	Picture src = src_picture ();
		408	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
		409
		410	XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
		411
		412	XRenderFreePicture (dpy, src);
		413	XRenderFreePicture (dpy, dst);
		414
		415	return img;
		416	}
		417
		418	rxvt_img *
		419	rxvt_img::sub_rect (int x, int y, int width, int height)
		420	{
		421	bool need_reify = w < width \|\| h < height;
		422
		423	rxvt_img *img = clone ();
		424
		425	img->x += x;
		426	img->y += y;
		427	img->w = width;
		428	img->h = height;
		429
		430	if (need_reify)
		431	img->reify ();
		432
		433	return img;
		434	}
		435
		436	rxvt_img *
334	rxvt_img::transform (int new_width, int new_height, int repeat, double matrix[9])	437	rxvt_img::transform (int new_width, int new_height, double matrix[9])
335	{	438	{
336	rxvt_img *img = new rxvt_img (s, format, new_width, new_height);	439	rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height);
		440	img->alloc ();
337		441
338	Display *dpy = s->display->dpy;	442	Display *dpy = s->display->dpy;
339	XRenderPictureAttributes pa;	443	Picture src = src_picture ();
340	pa.repeat = repeat;
341	Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
342	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);	444	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
343		445
344	XTransform xfrm;	446	XTransform xfrm;
345		447
346	for (int i = 0; i < 3; ++i)	448	for (int i = 0; i < 3; ++i)
347	for (int j = 0; j < 3; ++j)	449	for (int j = 0; j < 3; ++j)
348	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);	450	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
349		451
		452	xfrm.matrix [0][2] += XDoubleToFixed (x);//TODO
		453	xfrm.matrix [0][3] += XDoubleToFixed (y);
		454
		455	XRenderSetPictureFilter (dpy, src, "good", 0, 0);
350	XRenderSetPictureTransform (dpy, src, &xfrm);	456	XRenderSetPictureTransform (dpy, src, &xfrm);
351	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);	457	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
352		458
353	XRenderFreePicture (dpy, src);	459	XRenderFreePicture (dpy, src);
354	XRenderFreePicture (dpy, dst);	460	XRenderFreePicture (dpy, dst);
…		…
358		464
359	rxvt_img *	465	rxvt_img *
360	rxvt_img::scale (int new_width, int new_height)	466	rxvt_img::scale (int new_width, int new_height)
361	{	467	{
362	double matrix[9] = {	468	double matrix[9] = {
363	new_width / (double)w, 0, 0,	469	w / (double)new_width, 0, 0,
364	0, new_height / (double)h, 0,	470	0, h / (double)new_height, 0,
365	0, 0, 1	471	0, 0, 1
366	};	472	};
367		473
368	return transform (new_width, new_height, RepeatNormal, matrix);	474	return transform (new_width, new_height, matrix);
369	}	475	}
370		476
371	rxvt_img *	477	rxvt_img *
		478	rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
		479	{
		480	double s = sin (phi);
		481	double c = cos (phi);
		482
		483	double matrix[9] = {
		484	c, -s, -c * x + s * y + x,
		485	s, c, -s * x - c * y + y,
		486	0, 0, 1
		487	};
		488
		489	return transform (new_width, new_height, matrix);
		490	}
		491
		492	rxvt_img *
372	rxvt_img::convert_to (XRenderPictFormat *new_format)	493	rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg)
373	{	494	{
		495	if (new_format == format)
		496	return clone ();
		497
374	rxvt_img *img = new rxvt_img (s, new_format, w, h);	498	rxvt_img *img = new rxvt_img (s, new_format, 0, 0, w, h);
		499	img->alloc ();
375		500
376	Display *dpy = s->display->dpy;	501	Display *dpy = s->display->dpy;
377	Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0);	502	Picture src = src_picture ();
378	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);	503	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
		504	int op = PictOpSrc;
379		505
		506	if (format->direct.alphaMask && !new_format->direct.alphaMask)
		507	{
		508	// does it have to be that complicated
		509	rgba c;
		510	bg.get (c);
		511
		512	XRenderColor rc = { c.r, c.g, c.b, 0xffff };
		513	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
		514
		515	op = PictOpOver;
		516	}
		517
380	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	518	XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
381		519
382	XRenderFreePicture (dpy, src);
383	XRenderFreePicture (dpy, dst);	520	XRenderFreePicture (dpy, src);
		521	XRenderFreePicture (dpy, dst);
384		522
		523	return img;
		524	}
		525
		526	rxvt_img *
		527	rxvt_img::blend (rxvt_img *img, double factor)
		528	{
		529	rxvt_img *img2 = clone ();
		530	Display *dpy = s->display->dpy;
		531	Picture src = src_picture ();
		532	Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
		533	Picture mask = create_xrender_mask (dpy, img->pm, False);
		534
		535	XRenderColor mask_c;
		536
		537	mask_c.alpha = float_to_component (factor);
		538	mask_c.red =
		539	mask_c.green =
		540	mask_c.blue = 0;
		541	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		542
		543	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
		544
		545	XRenderFreePicture (dpy, src);
		546	XRenderFreePicture (dpy, dst);
		547	XRenderFreePicture (dpy, mask);
		548
385	return img;	549	return img2;
386	}	550	}
387		551
388	#endif	552	#endif
389		553

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Comparing rxvt-unicode/src/rxvtimg.C (file contents): Revision 1.14 by root, Mon Jun 4 15:53:12 2012 UTC vs. Revision 1.36 by root, Thu Jun 7 08:45:34 2012 UTC

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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.14 by root, Mon Jun 4 15:53:12 2012 UTC vs.
Revision 1.36 by root, Thu Jun 7 08:45:34 2012 UTC