1 |
sf-exg |
1.6 |
#include <math.h> |
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root |
1.1 |
#include "../config.h" |
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#include "rxvt.h" |
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#if HAVE_IMG |
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root |
1.33 |
rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height) |
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: s(screen), x(x), y(y), w(width), h(height), format(format), repeat(RepeatNormal), |
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1.32 |
pm(0), refcnt(0) |
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1.1 |
{ |
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} |
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1.32 |
rxvt_img::rxvt_img (const rxvt_img &img) |
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: s(img.s), x(img.x), y(img.y), w(img.w), h(img.h), format(img.format), repeat(img.repeat), pm(img.pm), refcnt(img.refcnt) |
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{ |
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if (refcnt) |
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++*refcnt; |
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} |
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#if 0 |
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1.3 |
rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
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1.30 |
: s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap) |
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root |
1.1 |
{ |
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} |
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root |
1.32 |
#endif |
26 |
root |
1.1 |
|
27 |
root |
1.4 |
rxvt_img * |
28 |
sf-exg |
1.21 |
rxvt_img::new_from_root (rxvt_screen *s) |
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{ |
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Display *dpy = s->display->dpy; |
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unsigned int root_pm_w, root_pm_h; |
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Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_XROOTPMAP_ID]); |
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if (root_pixmap == None) |
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root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_ESETROOT_PMAP_ID]); |
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36 |
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if (root_pixmap == None) |
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return 0; |
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Window wdummy; |
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int idummy; |
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unsigned int udummy; |
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if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pm_w, &root_pm_h, &udummy, &udummy)) |
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return 0; |
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rxvt_img *img = new rxvt_img ( |
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s, |
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XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
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root |
1.33 |
0, |
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0, |
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sf-exg |
1.21 |
root_pm_w, |
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root |
1.32 |
root_pm_h |
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sf-exg |
1.21 |
); |
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root |
1.32 |
img->pm = root_pixmap; |
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sf-exg |
1.21 |
|
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return img; |
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} |
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rxvt_img * |
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root |
1.4 |
rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
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{ |
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1.11 |
GError *err = 0; |
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1.4 |
GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
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if (!pb) |
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1.11 |
rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
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1.4 |
|
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rxvt_img *img = new rxvt_img ( |
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s, |
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XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
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1.33 |
0, |
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0, |
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1.4 |
gdk_pixbuf_get_width (pb), |
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gdk_pixbuf_get_height (pb) |
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); |
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1.32 |
img->alloc (); |
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1.14 |
img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); |
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1.4 |
|
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sf-exg |
1.26 |
g_object_unref (pb); |
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1.4 |
return img; |
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} |
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1.32 |
void |
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rxvt_img::destroy () |
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{ |
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if (!refcnt || --*refcnt) |
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return; |
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if (pm) |
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XFreePixmap (s->display->dpy, pm); |
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delete refcnt; |
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} |
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root |
1.1 |
rxvt_img::~rxvt_img () |
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{ |
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1.32 |
destroy (); |
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} |
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void |
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rxvt_img::alloc () |
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{ |
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pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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refcnt = new int (1); |
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root |
1.1 |
} |
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void |
110 |
root |
1.11 |
rxvt_img::unshare () |
111 |
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{ |
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root |
1.32 |
if (refcnt && *refcnt == 1) |
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root |
1.11 |
return; |
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root |
1.32 |
Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
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XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0); |
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XFreeGC (s->display->dpy, gc); |
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root |
1.11 |
|
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root |
1.32 |
destroy (); |
121 |
root |
1.11 |
|
122 |
root |
1.32 |
pm = pm2; |
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refcnt = new int (1); |
124 |
root |
1.11 |
} |
125 |
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126 |
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void |
127 |
root |
1.1 |
rxvt_img::fill (const rxvt_color &c) |
128 |
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{ |
129 |
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XGCValues gcv; |
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gcv.foreground = c; |
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GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
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XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
133 |
root |
1.3 |
XFreeGC (s->display->dpy, gc); |
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root |
1.1 |
} |
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136 |
sf-exg |
1.6 |
static void |
137 |
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get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
138 |
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{ |
139 |
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double sigma = radius / 2.0; |
140 |
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double scale = sqrt (2.0 * M_PI) * sigma; |
141 |
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double sum = 0.0; |
142 |
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143 |
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for (int i = 0; i < width; i++) |
144 |
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{ |
145 |
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double x = i - width / 2; |
146 |
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kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
147 |
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sum += kernel[i]; |
148 |
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} |
149 |
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150 |
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params[0] = XDoubleToFixed (width); |
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params[1] = XDoubleToFixed (1); |
152 |
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153 |
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for (int i = 0; i < width; i++) |
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params[i+2] = XDoubleToFixed (kernel[i] / sum); |
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} |
156 |
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157 |
sf-exg |
1.22 |
rxvt_img * |
158 |
root |
1.3 |
rxvt_img::blur (int rh, int rv) |
159 |
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{ |
160 |
sf-exg |
1.6 |
if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
161 |
sf-exg |
1.22 |
return clone (); |
162 |
sf-exg |
1.6 |
|
163 |
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Display *dpy = s->display->dpy; |
164 |
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int size = max (rh, rv) * 2 + 1; |
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double *kernel = (double *)malloc (size * sizeof (double)); |
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XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
167 |
root |
1.33 |
rxvt_img *img = new rxvt_img (s, format, x, y, w, h); |
168 |
root |
1.32 |
img->alloc (); |
169 |
sf-exg |
1.6 |
|
170 |
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XRenderPictureAttributes pa; |
171 |
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172 |
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pa.repeat = RepeatPad; |
173 |
sf-exg |
1.22 |
Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa); |
174 |
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Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
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Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
177 |
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Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
178 |
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XFreePixmap (dpy, tmp_pm); |
179 |
sf-exg |
1.6 |
|
180 |
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if (kernel && params) |
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{ |
182 |
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size = rh * 2 + 1; |
183 |
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get_gaussian_kernel (rh, size, kernel, params); |
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XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
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XRenderComposite (dpy, |
187 |
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PictOpSrc, |
188 |
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src, |
189 |
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None, |
190 |
sf-exg |
1.22 |
tmp, |
191 |
sf-exg |
1.6 |
0, 0, |
192 |
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0, 0, |
193 |
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0, 0, |
194 |
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w, h); |
195 |
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size = rv * 2 + 1; |
197 |
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get_gaussian_kernel (rv, size, kernel, params); |
198 |
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::swap (params[0], params[1]); |
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XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
201 |
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XRenderComposite (dpy, |
202 |
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PictOpSrc, |
203 |
sf-exg |
1.22 |
tmp, |
204 |
sf-exg |
1.6 |
None, |
205 |
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dst, |
206 |
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0, 0, |
207 |
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0, 0, |
208 |
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0, 0, |
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w, h); |
210 |
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} |
211 |
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212 |
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free (kernel); |
213 |
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free (params); |
214 |
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XRenderFreePicture (dpy, src); |
215 |
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XRenderFreePicture (dpy, dst); |
216 |
sf-exg |
1.22 |
XRenderFreePicture (dpy, tmp); |
217 |
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218 |
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return img; |
219 |
sf-exg |
1.6 |
} |
220 |
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221 |
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static Picture |
222 |
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create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
223 |
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{ |
224 |
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Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
225 |
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226 |
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XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
227 |
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XRenderPictureAttributes pa; |
228 |
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pa.repeat = True; |
229 |
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Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
230 |
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231 |
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XFreePixmap (dpy, pixmap); |
232 |
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233 |
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return mask; |
234 |
root |
1.3 |
} |
235 |
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236 |
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void |
237 |
sf-exg |
1.31 |
rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
238 |
root |
1.3 |
{ |
239 |
sf-exg |
1.6 |
Display *dpy = s->display->dpy; |
240 |
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Picture src = create_xrender_mask (dpy, pm, True); |
241 |
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Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
242 |
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243 |
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XRenderColor mask_c; |
244 |
sf-exg |
1.31 |
mask_c.red = r; |
245 |
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mask_c.green = g; |
246 |
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mask_c.blue = b; |
247 |
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mask_c.alpha = a; |
248 |
sf-exg |
1.6 |
XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
249 |
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250 |
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XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
251 |
sf-exg |
1.23 |
|
252 |
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XRenderFreePicture (dpy, src); |
253 |
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XRenderFreePicture (dpy, dst); |
254 |
root |
1.3 |
} |
255 |
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256 |
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void |
257 |
sf-exg |
1.31 |
rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
258 |
root |
1.1 |
{ |
259 |
sf-exg |
1.6 |
if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
260 |
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return; |
261 |
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262 |
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Display *dpy = s->display->dpy; |
263 |
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Picture src = create_xrender_mask (dpy, pm, True); |
264 |
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Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
265 |
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266 |
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XRenderColor mask_c; |
267 |
sf-exg |
1.31 |
mask_c.red = r; |
268 |
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mask_c.green = g; |
269 |
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mask_c.blue = b; |
270 |
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mask_c.alpha = a; |
271 |
sf-exg |
1.6 |
XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
272 |
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273 |
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XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
274 |
sf-exg |
1.23 |
|
275 |
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XRenderFreePicture (dpy, src); |
276 |
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XRenderFreePicture (dpy, dst); |
277 |
root |
1.1 |
} |
278 |
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279 |
root |
1.14 |
bool |
280 |
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rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
281 |
root |
1.3 |
{ |
282 |
root |
1.14 |
Display *dpy = s->display->dpy; |
283 |
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284 |
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if (s->visual->c_class != TrueColor) |
285 |
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return false; |
286 |
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287 |
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uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
288 |
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|
289 |
sf-exg |
1.18 |
red_mask = (uint32_t)format->direct.redMask << format->direct.red; |
290 |
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green_mask = (uint32_t)format->direct.greenMask << format->direct.green; |
291 |
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blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; |
292 |
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alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
293 |
root |
1.14 |
|
294 |
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int width_r = ecb_popcount32 (red_mask); |
295 |
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int width_g = ecb_popcount32 (green_mask); |
296 |
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int width_b = ecb_popcount32 (blue_mask); |
297 |
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int width_a = ecb_popcount32 (alpha_mask); |
298 |
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299 |
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if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
300 |
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return false; |
301 |
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302 |
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int sh_r = ecb_ctz32 (red_mask); |
303 |
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int sh_g = ecb_ctz32 (green_mask); |
304 |
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int sh_b = ecb_ctz32 (blue_mask); |
305 |
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int sh_a = ecb_ctz32 (alpha_mask); |
306 |
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307 |
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if (width > 32767 || height > 32767) |
308 |
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return false; |
309 |
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|
310 |
sf-exg |
1.18 |
XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
311 |
root |
1.14 |
width, height, 32, 0); |
312 |
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if (!ximage) |
313 |
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return false; |
314 |
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315 |
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if (height > INT_MAX / ximage->bytes_per_line |
316 |
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|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
317 |
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{ |
318 |
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XDestroyImage (ximage); |
319 |
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return false; |
320 |
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} |
321 |
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|
322 |
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GC gc = XCreateGC (dpy, pm, 0, 0); |
323 |
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324 |
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ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
325 |
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326 |
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int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
327 |
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int channels = gdk_pixbuf_get_n_channels (pixbuf); |
328 |
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unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
329 |
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char *line = ximage->data; |
330 |
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331 |
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for (int y = 0; y < height; y++) |
332 |
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{ |
333 |
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for (int x = 0; x < width; x++) |
334 |
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{ |
335 |
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unsigned char *pixel = row + x * channels; |
336 |
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uint32_t value; |
337 |
|
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unsigned char r, g, b, a; |
338 |
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|
339 |
|
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if (channels == 4) |
340 |
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{ |
341 |
|
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a = pixel[3]; |
342 |
sf-exg |
1.25 |
r = pixel[0] * a / 0xff; |
343 |
|
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g = pixel[1] * a / 0xff; |
344 |
|
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b = pixel[2] * a / 0xff; |
345 |
root |
1.14 |
} |
346 |
|
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else |
347 |
|
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{ |
348 |
|
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a = 0xff; |
349 |
|
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r = pixel[0]; |
350 |
|
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g = pixel[1]; |
351 |
|
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b = pixel[2]; |
352 |
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} |
353 |
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354 |
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value = ((r >> (8 - width_r)) << sh_r) |
355 |
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| ((g >> (8 - width_g)) << sh_g) |
356 |
|
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| ((b >> (8 - width_b)) << sh_b) |
357 |
|
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| ((a >> (8 - width_a)) << sh_a); |
358 |
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359 |
|
|
if (ximage->bits_per_pixel == 32) |
360 |
|
|
((uint32_t *)line)[x] = value; |
361 |
|
|
else |
362 |
|
|
XPutPixel (ximage, x, y, value); |
363 |
|
|
} |
364 |
|
|
|
365 |
|
|
row += rowstride; |
366 |
|
|
line += ximage->bytes_per_line; |
367 |
|
|
} |
368 |
|
|
|
369 |
|
|
XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
370 |
|
|
XDestroyImage (ximage); |
371 |
|
|
XFreeGC (dpy, gc); |
372 |
|
|
|
373 |
|
|
return true; |
374 |
root |
1.3 |
} |
375 |
|
|
|
376 |
|
|
rxvt_img * |
377 |
root |
1.11 |
rxvt_img::clone () |
378 |
root |
1.3 |
{ |
379 |
root |
1.32 |
return new rxvt_img (*this); |
380 |
root |
1.3 |
} |
381 |
|
|
|
382 |
|
|
rxvt_img * |
383 |
root |
1.33 |
rxvt_img::reify () |
384 |
root |
1.19 |
{ |
385 |
root |
1.33 |
rxvt_img *img = new rxvt_img (s, format, 0, 0, w, h); |
386 |
root |
1.32 |
img->alloc (); |
387 |
root |
1.19 |
|
388 |
root |
1.33 |
// todo, if x==0 and y==0 and w==real width we could clone |
389 |
|
|
// but that involves an rtt to find pixmap width. |
390 |
|
|
|
391 |
root |
1.19 |
Display *dpy = s->display->dpy; |
392 |
|
|
XRenderPictureAttributes pa; |
393 |
|
|
pa.repeat = repeat; |
394 |
|
|
Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
395 |
|
|
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
396 |
root |
1.33 |
|
397 |
|
|
XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
398 |
|
|
|
399 |
|
|
XRenderFreePicture (dpy, src); |
400 |
|
|
XRenderFreePicture (dpy, dst); |
401 |
root |
1.19 |
|
402 |
root |
1.33 |
return img; |
403 |
|
|
} |
404 |
root |
1.19 |
|
405 |
root |
1.33 |
rxvt_img * |
406 |
|
|
rxvt_img::sub_rect (int x, int y, int width, int height) |
407 |
|
|
{ |
408 |
|
|
rxvt_img *img = clone (); |
409 |
|
|
|
410 |
|
|
img->x += x; |
411 |
|
|
img->y += y; |
412 |
|
|
img->w = width; |
413 |
|
|
img->h = height; |
414 |
root |
1.19 |
|
415 |
|
|
return img; |
416 |
|
|
} |
417 |
|
|
|
418 |
|
|
rxvt_img * |
419 |
root |
1.30 |
rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
420 |
root |
1.3 |
{ |
421 |
root |
1.33 |
rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height); |
422 |
root |
1.32 |
img->alloc (); |
423 |
root |
1.12 |
|
424 |
|
|
Display *dpy = s->display->dpy; |
425 |
root |
1.13 |
XRenderPictureAttributes pa; |
426 |
|
|
pa.repeat = repeat; |
427 |
|
|
Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
428 |
|
|
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
429 |
root |
1.12 |
|
430 |
|
|
XTransform xfrm; |
431 |
|
|
|
432 |
|
|
for (int i = 0; i < 3; ++i) |
433 |
|
|
for (int j = 0; j < 3; ++j) |
434 |
|
|
xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
435 |
|
|
|
436 |
root |
1.33 |
xfrm.matrix [0][2] += XDoubleToFixed (x);//TODO |
437 |
|
|
xfrm.matrix [0][3] += XDoubleToFixed (y); |
438 |
|
|
|
439 |
root |
1.17 |
XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
440 |
root |
1.12 |
XRenderSetPictureTransform (dpy, src, &xfrm); |
441 |
|
|
XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
442 |
|
|
|
443 |
|
|
XRenderFreePicture (dpy, src); |
444 |
|
|
XRenderFreePicture (dpy, dst); |
445 |
|
|
|
446 |
|
|
return img; |
447 |
root |
1.3 |
} |
448 |
|
|
|
449 |
|
|
rxvt_img * |
450 |
|
|
rxvt_img::scale (int new_width, int new_height) |
451 |
|
|
{ |
452 |
root |
1.11 |
double matrix[9] = { |
453 |
root |
1.16 |
w / (double)new_width, 0, 0, |
454 |
|
|
0, h / (double)new_height, 0, |
455 |
root |
1.11 |
0, 0, 1 |
456 |
|
|
}; |
457 |
|
|
|
458 |
root |
1.19 |
return transform (new_width, new_height, matrix); |
459 |
root |
1.3 |
} |
460 |
|
|
|
461 |
sf-exg |
1.7 |
rxvt_img * |
462 |
root |
1.30 |
rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
463 |
root |
1.17 |
{ |
464 |
|
|
double s = sin (phi); |
465 |
|
|
double c = cos (phi); |
466 |
|
|
|
467 |
|
|
double matrix[9] = { |
468 |
|
|
c, -s, -c * x + s * y + x, |
469 |
|
|
s, c, -s * x - c * y + y, |
470 |
|
|
0, 0, 1 |
471 |
|
|
}; |
472 |
|
|
|
473 |
root |
1.30 |
return transform (new_width, new_height, matrix); |
474 |
root |
1.17 |
} |
475 |
|
|
|
476 |
|
|
rxvt_img * |
477 |
root |
1.27 |
rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg) |
478 |
sf-exg |
1.7 |
{ |
479 |
root |
1.32 |
if (new_format == format) |
480 |
|
|
return clone (); |
481 |
|
|
|
482 |
root |
1.33 |
rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h); |
483 |
root |
1.32 |
img->alloc (); |
484 |
root |
1.9 |
|
485 |
sf-exg |
1.7 |
Display *dpy = s->display->dpy; |
486 |
root |
1.12 |
Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); |
487 |
root |
1.8 |
Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
488 |
root |
1.27 |
int op = PictOpSrc; |
489 |
sf-exg |
1.7 |
|
490 |
root |
1.29 |
if (format->direct.alphaMask && !new_format->direct.alphaMask) |
491 |
root |
1.27 |
{ |
492 |
|
|
// does it have to be that complicated |
493 |
|
|
rgba c; |
494 |
|
|
bg.get (c); |
495 |
|
|
|
496 |
|
|
XRenderColor rc = { c.r, c.g, c.b, 0xffff }; |
497 |
root |
1.28 |
XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
498 |
root |
1.27 |
|
499 |
|
|
op = PictOpOver; |
500 |
|
|
} |
501 |
|
|
|
502 |
|
|
XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
503 |
sf-exg |
1.7 |
|
504 |
|
|
XRenderFreePicture (dpy, src); |
505 |
|
|
XRenderFreePicture (dpy, dst); |
506 |
|
|
|
507 |
|
|
return img; |
508 |
|
|
} |
509 |
root |
1.3 |
|
510 |
sf-exg |
1.24 |
rxvt_img * |
511 |
|
|
rxvt_img::blend (rxvt_img *img, double factor) |
512 |
|
|
{ |
513 |
|
|
rxvt_img *img2 = clone (); |
514 |
|
|
Display *dpy = s->display->dpy; |
515 |
|
|
Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
516 |
|
|
Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
517 |
|
|
Picture mask = create_xrender_mask (dpy, img->pm, False); |
518 |
|
|
|
519 |
|
|
XRenderColor mask_c; |
520 |
|
|
|
521 |
|
|
mask_c.alpha = float_to_component (factor); |
522 |
|
|
mask_c.red = |
523 |
|
|
mask_c.green = |
524 |
|
|
mask_c.blue = 0; |
525 |
|
|
XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
526 |
|
|
|
527 |
|
|
XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
528 |
|
|
|
529 |
|
|
XRenderFreePicture (dpy, src); |
530 |
|
|
XRenderFreePicture (dpy, dst); |
531 |
|
|
XRenderFreePicture (dpy, mask); |
532 |
|
|
|
533 |
|
|
return img2; |
534 |
|
|
} |
535 |
|
|
|
536 |
root |
1.1 |
#endif |
537 |
|
|
|