1 |
sf-exg |
1.6 |
#include <math.h> |
2 |
root |
1.1 |
#include "../config.h" |
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#include "rxvt.h" |
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5 |
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#if HAVE_IMG |
6 |
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7 |
root |
1.3 |
rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height) |
8 |
root |
1.30 |
: s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false) |
9 |
root |
1.1 |
{ |
10 |
root |
1.3 |
pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
11 |
root |
1.1 |
} |
12 |
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|
13 |
root |
1.3 |
rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
14 |
root |
1.30 |
: s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap) |
15 |
root |
1.1 |
{ |
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} |
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18 |
root |
1.4 |
rxvt_img * |
19 |
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]); |
24 |
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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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27 |
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if (root_pixmap == None) |
28 |
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return 0; |
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30 |
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Window wdummy; |
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int idummy; |
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unsigned int udummy; |
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34 |
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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; |
36 |
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37 |
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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_pm_w, |
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root_pm_h, |
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root_pixmap |
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); |
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img->shared = true; |
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47 |
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return img; |
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} |
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rxvt_img * |
51 |
root |
1.4 |
rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
52 |
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{ |
53 |
root |
1.11 |
GError *err = 0; |
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root |
1.4 |
GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
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56 |
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if (!pb) |
57 |
root |
1.11 |
rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
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root |
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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gdk_pixbuf_get_width (pb), |
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gdk_pixbuf_get_height (pb) |
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); |
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root |
1.14 |
img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); |
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root |
1.4 |
|
68 |
sf-exg |
1.26 |
g_object_unref (pb); |
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root |
1.4 |
return img; |
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} |
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73 |
root |
1.1 |
rxvt_img::~rxvt_img () |
74 |
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{ |
75 |
root |
1.4 |
if (!shared) |
76 |
root |
1.1 |
XFreePixmap (s->display->dpy, pm); |
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} |
78 |
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79 |
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void |
80 |
root |
1.11 |
rxvt_img::unshare () |
81 |
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{ |
82 |
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if (!shared) |
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return; |
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rxvt_img *img = clone (); |
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::swap (pm , img->pm); |
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::swap (shared, img->shared); |
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delete img; |
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} |
92 |
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93 |
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void |
94 |
root |
1.1 |
rxvt_img::fill (const rxvt_color &c) |
95 |
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{ |
96 |
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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); |
100 |
root |
1.3 |
XFreeGC (s->display->dpy, gc); |
101 |
root |
1.1 |
} |
102 |
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103 |
sf-exg |
1.6 |
static void |
104 |
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get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
105 |
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{ |
106 |
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double sigma = radius / 2.0; |
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double scale = sqrt (2.0 * M_PI) * sigma; |
108 |
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double sum = 0.0; |
109 |
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110 |
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for (int i = 0; i < width; i++) |
111 |
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{ |
112 |
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double x = i - width / 2; |
113 |
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kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
114 |
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sum += kernel[i]; |
115 |
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} |
116 |
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117 |
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params[0] = XDoubleToFixed (width); |
118 |
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params[1] = XDoubleToFixed (1); |
119 |
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120 |
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for (int i = 0; i < width; i++) |
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params[i+2] = XDoubleToFixed (kernel[i] / sum); |
122 |
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} |
123 |
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124 |
sf-exg |
1.22 |
rxvt_img * |
125 |
root |
1.3 |
rxvt_img::blur (int rh, int rv) |
126 |
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{ |
127 |
sf-exg |
1.6 |
if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
128 |
sf-exg |
1.22 |
return clone (); |
129 |
sf-exg |
1.6 |
|
130 |
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Display *dpy = s->display->dpy; |
131 |
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int size = max (rh, rv) * 2 + 1; |
132 |
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double *kernel = (double *)malloc (size * sizeof (double)); |
133 |
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XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
134 |
sf-exg |
1.22 |
rxvt_img *img = new rxvt_img (s, format, w, h); |
135 |
sf-exg |
1.6 |
|
136 |
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XRenderPictureAttributes pa; |
137 |
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138 |
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pa.repeat = RepeatPad; |
139 |
sf-exg |
1.22 |
Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa); |
140 |
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Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
141 |
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142 |
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Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
143 |
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Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
144 |
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XFreePixmap (dpy, tmp_pm); |
145 |
sf-exg |
1.6 |
|
146 |
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if (kernel && params) |
147 |
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{ |
148 |
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size = rh * 2 + 1; |
149 |
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get_gaussian_kernel (rh, size, kernel, params); |
150 |
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151 |
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XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
152 |
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XRenderComposite (dpy, |
153 |
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PictOpSrc, |
154 |
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src, |
155 |
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None, |
156 |
sf-exg |
1.22 |
tmp, |
157 |
sf-exg |
1.6 |
0, 0, |
158 |
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0, 0, |
159 |
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0, 0, |
160 |
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w, h); |
161 |
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162 |
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size = rv * 2 + 1; |
163 |
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get_gaussian_kernel (rv, size, kernel, params); |
164 |
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::swap (params[0], params[1]); |
165 |
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166 |
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XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
167 |
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XRenderComposite (dpy, |
168 |
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PictOpSrc, |
169 |
sf-exg |
1.22 |
tmp, |
170 |
sf-exg |
1.6 |
None, |
171 |
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dst, |
172 |
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0, 0, |
173 |
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0, 0, |
174 |
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0, 0, |
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w, h); |
176 |
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} |
177 |
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178 |
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free (kernel); |
179 |
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free (params); |
180 |
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XRenderFreePicture (dpy, src); |
181 |
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XRenderFreePicture (dpy, dst); |
182 |
sf-exg |
1.22 |
XRenderFreePicture (dpy, tmp); |
183 |
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184 |
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return img; |
185 |
sf-exg |
1.6 |
} |
186 |
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187 |
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static Picture |
188 |
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create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
189 |
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{ |
190 |
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Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
191 |
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192 |
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XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
193 |
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XRenderPictureAttributes pa; |
194 |
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pa.repeat = True; |
195 |
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Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
196 |
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197 |
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XFreePixmap (dpy, pixmap); |
198 |
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199 |
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return mask; |
200 |
root |
1.3 |
} |
201 |
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202 |
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void |
203 |
sf-exg |
1.31 |
rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
204 |
root |
1.3 |
{ |
205 |
sf-exg |
1.6 |
Display *dpy = s->display->dpy; |
206 |
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Picture src = create_xrender_mask (dpy, pm, True); |
207 |
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Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
208 |
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209 |
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XRenderColor mask_c; |
210 |
sf-exg |
1.31 |
mask_c.red = r; |
211 |
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mask_c.green = g; |
212 |
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mask_c.blue = b; |
213 |
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mask_c.alpha = a; |
214 |
sf-exg |
1.6 |
XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
215 |
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216 |
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XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
217 |
sf-exg |
1.23 |
|
218 |
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XRenderFreePicture (dpy, src); |
219 |
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XRenderFreePicture (dpy, dst); |
220 |
root |
1.3 |
} |
221 |
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222 |
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void |
223 |
sf-exg |
1.31 |
rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
224 |
root |
1.1 |
{ |
225 |
sf-exg |
1.6 |
if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
226 |
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return; |
227 |
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228 |
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Display *dpy = s->display->dpy; |
229 |
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Picture src = create_xrender_mask (dpy, pm, True); |
230 |
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Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
231 |
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232 |
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XRenderColor mask_c; |
233 |
sf-exg |
1.31 |
mask_c.red = r; |
234 |
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mask_c.green = g; |
235 |
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mask_c.blue = b; |
236 |
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mask_c.alpha = a; |
237 |
sf-exg |
1.6 |
XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
238 |
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239 |
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XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
240 |
sf-exg |
1.23 |
|
241 |
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XRenderFreePicture (dpy, src); |
242 |
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XRenderFreePicture (dpy, dst); |
243 |
root |
1.1 |
} |
244 |
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245 |
root |
1.14 |
bool |
246 |
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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) |
247 |
root |
1.3 |
{ |
248 |
root |
1.14 |
Display *dpy = s->display->dpy; |
249 |
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250 |
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if (s->visual->c_class != TrueColor) |
251 |
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return false; |
252 |
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253 |
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uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
254 |
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|
255 |
sf-exg |
1.18 |
red_mask = (uint32_t)format->direct.redMask << format->direct.red; |
256 |
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green_mask = (uint32_t)format->direct.greenMask << format->direct.green; |
257 |
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blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; |
258 |
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alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
259 |
root |
1.14 |
|
260 |
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int width_r = ecb_popcount32 (red_mask); |
261 |
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int width_g = ecb_popcount32 (green_mask); |
262 |
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int width_b = ecb_popcount32 (blue_mask); |
263 |
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int width_a = ecb_popcount32 (alpha_mask); |
264 |
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265 |
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if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
266 |
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return false; |
267 |
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268 |
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int sh_r = ecb_ctz32 (red_mask); |
269 |
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int sh_g = ecb_ctz32 (green_mask); |
270 |
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int sh_b = ecb_ctz32 (blue_mask); |
271 |
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int sh_a = ecb_ctz32 (alpha_mask); |
272 |
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273 |
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if (width > 32767 || height > 32767) |
274 |
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return false; |
275 |
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|
276 |
sf-exg |
1.18 |
XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
277 |
root |
1.14 |
width, height, 32, 0); |
278 |
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if (!ximage) |
279 |
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return false; |
280 |
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281 |
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if (height > INT_MAX / ximage->bytes_per_line |
282 |
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|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
283 |
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{ |
284 |
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XDestroyImage (ximage); |
285 |
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return false; |
286 |
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} |
287 |
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288 |
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GC gc = XCreateGC (dpy, pm, 0, 0); |
289 |
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290 |
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ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
291 |
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292 |
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int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
293 |
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int channels = gdk_pixbuf_get_n_channels (pixbuf); |
294 |
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unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
295 |
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char *line = ximage->data; |
296 |
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297 |
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for (int y = 0; y < height; y++) |
298 |
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{ |
299 |
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for (int x = 0; x < width; x++) |
300 |
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{ |
301 |
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unsigned char *pixel = row + x * channels; |
302 |
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uint32_t value; |
303 |
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unsigned char r, g, b, a; |
304 |
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|
305 |
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if (channels == 4) |
306 |
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{ |
307 |
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a = pixel[3]; |
308 |
sf-exg |
1.25 |
r = pixel[0] * a / 0xff; |
309 |
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g = pixel[1] * a / 0xff; |
310 |
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b = pixel[2] * a / 0xff; |
311 |
root |
1.14 |
} |
312 |
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else |
313 |
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{ |
314 |
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a = 0xff; |
315 |
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r = pixel[0]; |
316 |
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g = pixel[1]; |
317 |
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b = pixel[2]; |
318 |
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} |
319 |
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|
320 |
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value = ((r >> (8 - width_r)) << sh_r) |
321 |
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| ((g >> (8 - width_g)) << sh_g) |
322 |
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| ((b >> (8 - width_b)) << sh_b) |
323 |
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| ((a >> (8 - width_a)) << sh_a); |
324 |
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|
325 |
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if (ximage->bits_per_pixel == 32) |
326 |
|
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((uint32_t *)line)[x] = value; |
327 |
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else |
328 |
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XPutPixel (ximage, x, y, value); |
329 |
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} |
330 |
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|
331 |
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row += rowstride; |
332 |
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line += ximage->bytes_per_line; |
333 |
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} |
334 |
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|
335 |
|
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XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
336 |
|
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XDestroyImage (ximage); |
337 |
|
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XFreeGC (dpy, gc); |
338 |
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|
339 |
|
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return true; |
340 |
root |
1.3 |
} |
341 |
|
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|
342 |
|
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rxvt_img * |
343 |
root |
1.11 |
rxvt_img::clone () |
344 |
root |
1.3 |
{ |
345 |
root |
1.19 |
rxvt_img *img = new rxvt_img (s, format, w, h); |
346 |
|
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|
347 |
root |
1.3 |
GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
348 |
root |
1.19 |
XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0); |
349 |
root |
1.3 |
XFreeGC (s->display->dpy, gc); |
350 |
root |
1.20 |
|
351 |
|
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return img; |
352 |
root |
1.3 |
} |
353 |
|
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|
354 |
|
|
rxvt_img * |
355 |
root |
1.30 |
rxvt_img::sub_rect (int x, int y, int width, int height) |
356 |
root |
1.19 |
{ |
357 |
|
|
rxvt_img *img = new rxvt_img (s, format, width, height); |
358 |
|
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|
359 |
|
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Display *dpy = s->display->dpy; |
360 |
|
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XRenderPictureAttributes pa; |
361 |
|
|
pa.repeat = repeat; |
362 |
|
|
Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
363 |
|
|
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
364 |
|
|
|
365 |
|
|
XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height); |
366 |
|
|
|
367 |
|
|
XRenderFreePicture (dpy, src); |
368 |
|
|
XRenderFreePicture (dpy, dst); |
369 |
|
|
|
370 |
|
|
return img; |
371 |
|
|
} |
372 |
|
|
|
373 |
|
|
rxvt_img * |
374 |
root |
1.30 |
rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
375 |
root |
1.3 |
{ |
376 |
root |
1.12 |
rxvt_img *img = new rxvt_img (s, format, new_width, new_height); |
377 |
|
|
|
378 |
|
|
Display *dpy = s->display->dpy; |
379 |
root |
1.13 |
XRenderPictureAttributes pa; |
380 |
|
|
pa.repeat = repeat; |
381 |
|
|
Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
382 |
|
|
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
383 |
root |
1.12 |
|
384 |
|
|
XTransform xfrm; |
385 |
|
|
|
386 |
|
|
for (int i = 0; i < 3; ++i) |
387 |
|
|
for (int j = 0; j < 3; ++j) |
388 |
|
|
xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
389 |
|
|
|
390 |
root |
1.17 |
XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
391 |
root |
1.12 |
XRenderSetPictureTransform (dpy, src, &xfrm); |
392 |
|
|
XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
393 |
|
|
|
394 |
|
|
XRenderFreePicture (dpy, src); |
395 |
|
|
XRenderFreePicture (dpy, dst); |
396 |
|
|
|
397 |
|
|
return img; |
398 |
root |
1.3 |
} |
399 |
|
|
|
400 |
|
|
rxvt_img * |
401 |
|
|
rxvt_img::scale (int new_width, int new_height) |
402 |
|
|
{ |
403 |
root |
1.11 |
double matrix[9] = { |
404 |
root |
1.16 |
w / (double)new_width, 0, 0, |
405 |
|
|
0, h / (double)new_height, 0, |
406 |
root |
1.11 |
0, 0, 1 |
407 |
|
|
}; |
408 |
|
|
|
409 |
root |
1.19 |
return transform (new_width, new_height, matrix); |
410 |
root |
1.3 |
} |
411 |
|
|
|
412 |
sf-exg |
1.7 |
rxvt_img * |
413 |
root |
1.30 |
rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
414 |
root |
1.17 |
{ |
415 |
|
|
double s = sin (phi); |
416 |
|
|
double c = cos (phi); |
417 |
|
|
|
418 |
|
|
double matrix[9] = { |
419 |
|
|
c, -s, -c * x + s * y + x, |
420 |
|
|
s, c, -s * x - c * y + y, |
421 |
|
|
0, 0, 1 |
422 |
|
|
}; |
423 |
|
|
|
424 |
root |
1.30 |
return transform (new_width, new_height, matrix); |
425 |
root |
1.17 |
} |
426 |
|
|
|
427 |
|
|
rxvt_img * |
428 |
root |
1.27 |
rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg) |
429 |
sf-exg |
1.7 |
{ |
430 |
sf-exg |
1.10 |
rxvt_img *img = new rxvt_img (s, new_format, w, h); |
431 |
root |
1.9 |
|
432 |
sf-exg |
1.7 |
Display *dpy = s->display->dpy; |
433 |
root |
1.12 |
Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); |
434 |
root |
1.8 |
Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
435 |
root |
1.27 |
int op = PictOpSrc; |
436 |
sf-exg |
1.7 |
|
437 |
root |
1.29 |
if (format->direct.alphaMask && !new_format->direct.alphaMask) |
438 |
root |
1.27 |
{ |
439 |
|
|
// does it have to be that complicated |
440 |
|
|
rgba c; |
441 |
|
|
bg.get (c); |
442 |
|
|
|
443 |
|
|
XRenderColor rc = { c.r, c.g, c.b, 0xffff }; |
444 |
root |
1.28 |
XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
445 |
root |
1.27 |
|
446 |
|
|
op = PictOpOver; |
447 |
|
|
} |
448 |
|
|
|
449 |
|
|
XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
450 |
sf-exg |
1.7 |
|
451 |
|
|
XRenderFreePicture (dpy, src); |
452 |
|
|
XRenderFreePicture (dpy, dst); |
453 |
|
|
|
454 |
|
|
return img; |
455 |
|
|
} |
456 |
root |
1.3 |
|
457 |
sf-exg |
1.24 |
rxvt_img * |
458 |
|
|
rxvt_img::blend (rxvt_img *img, double factor) |
459 |
|
|
{ |
460 |
|
|
rxvt_img *img2 = clone (); |
461 |
|
|
Display *dpy = s->display->dpy; |
462 |
|
|
Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
463 |
|
|
Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
464 |
|
|
Picture mask = create_xrender_mask (dpy, img->pm, False); |
465 |
|
|
|
466 |
|
|
XRenderColor mask_c; |
467 |
|
|
|
468 |
|
|
mask_c.alpha = float_to_component (factor); |
469 |
|
|
mask_c.red = |
470 |
|
|
mask_c.green = |
471 |
|
|
mask_c.blue = 0; |
472 |
|
|
XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
473 |
|
|
|
474 |
|
|
XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
475 |
|
|
|
476 |
|
|
XRenderFreePicture (dpy, src); |
477 |
|
|
XRenderFreePicture (dpy, dst); |
478 |
|
|
XRenderFreePicture (dpy, mask); |
479 |
|
|
|
480 |
|
|
return img2; |
481 |
|
|
} |
482 |
|
|
|
483 |
root |
1.1 |
#endif |
484 |
|
|
|