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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#if HAVE_IMG |
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sf-exg |
1.6 |
#define float_to_component(d) ((d) * 65535.99) |
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9 |
root |
1.3 |
rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height) |
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root |
1.4 |
: s(screen), w(width), h(height), format(format), shared(false) |
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root |
1.1 |
{ |
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root |
1.3 |
pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
13 |
root |
1.1 |
} |
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|
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root |
1.3 |
rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
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root |
1.4 |
: s(screen), pm(pixmap), w(width), h(height), format(format), shared(false) |
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root |
1.1 |
{ |
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} |
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root |
1.4 |
rxvt_img * |
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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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29 |
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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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39 |
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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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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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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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if (!pb) |
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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 |
|
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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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root |
1.1 |
rxvt_img::~rxvt_img () |
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{ |
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root |
1.4 |
if (!shared) |
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root |
1.1 |
XFreePixmap (s->display->dpy, pm); |
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} |
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void |
82 |
root |
1.11 |
rxvt_img::unshare () |
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{ |
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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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} |
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void |
96 |
root |
1.1 |
rxvt_img::fill (const rxvt_color &c) |
97 |
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{ |
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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); |
102 |
root |
1.3 |
XFreeGC (s->display->dpy, gc); |
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root |
1.1 |
} |
104 |
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105 |
sf-exg |
1.6 |
static void |
106 |
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get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
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{ |
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double sigma = radius / 2.0; |
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double scale = sqrt (2.0 * M_PI) * sigma; |
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double sum = 0.0; |
111 |
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for (int i = 0; i < width; i++) |
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{ |
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double x = i - width / 2; |
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kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
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sum += kernel[i]; |
117 |
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} |
118 |
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params[0] = XDoubleToFixed (width); |
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params[1] = XDoubleToFixed (1); |
121 |
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for (int i = 0; i < width; i++) |
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params[i+2] = XDoubleToFixed (kernel[i] / sum); |
124 |
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} |
125 |
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126 |
sf-exg |
1.22 |
rxvt_img * |
127 |
root |
1.3 |
rxvt_img::blur (int rh, int rv) |
128 |
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{ |
129 |
sf-exg |
1.6 |
if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
130 |
sf-exg |
1.22 |
return clone (); |
131 |
sf-exg |
1.6 |
|
132 |
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Display *dpy = s->display->dpy; |
133 |
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int size = max (rh, rv) * 2 + 1; |
134 |
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double *kernel = (double *)malloc (size * sizeof (double)); |
135 |
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XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
136 |
sf-exg |
1.22 |
rxvt_img *img = new rxvt_img (s, format, w, h); |
137 |
sf-exg |
1.6 |
|
138 |
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XRenderPictureAttributes pa; |
139 |
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140 |
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pa.repeat = RepeatPad; |
141 |
sf-exg |
1.22 |
Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa); |
142 |
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Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
143 |
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144 |
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Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
145 |
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Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
146 |
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XFreePixmap (dpy, tmp_pm); |
147 |
sf-exg |
1.6 |
|
148 |
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if (kernel && params) |
149 |
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{ |
150 |
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size = rh * 2 + 1; |
151 |
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get_gaussian_kernel (rh, size, kernel, params); |
152 |
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153 |
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XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
154 |
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XRenderComposite (dpy, |
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PictOpSrc, |
156 |
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src, |
157 |
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None, |
158 |
sf-exg |
1.22 |
tmp, |
159 |
sf-exg |
1.6 |
0, 0, |
160 |
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0, 0, |
161 |
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0, 0, |
162 |
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w, h); |
163 |
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size = rv * 2 + 1; |
165 |
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get_gaussian_kernel (rv, size, kernel, params); |
166 |
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::swap (params[0], params[1]); |
167 |
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168 |
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XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
169 |
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XRenderComposite (dpy, |
170 |
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PictOpSrc, |
171 |
sf-exg |
1.22 |
tmp, |
172 |
sf-exg |
1.6 |
None, |
173 |
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dst, |
174 |
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0, 0, |
175 |
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0, 0, |
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0, 0, |
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w, h); |
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} |
179 |
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180 |
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free (kernel); |
181 |
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free (params); |
182 |
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XRenderFreePicture (dpy, src); |
183 |
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XRenderFreePicture (dpy, dst); |
184 |
sf-exg |
1.22 |
XRenderFreePicture (dpy, tmp); |
185 |
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186 |
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return img; |
187 |
sf-exg |
1.6 |
} |
188 |
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189 |
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static Picture |
190 |
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create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
191 |
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{ |
192 |
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Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
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194 |
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XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
195 |
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XRenderPictureAttributes pa; |
196 |
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pa.repeat = True; |
197 |
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Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
198 |
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199 |
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XFreePixmap (dpy, pixmap); |
200 |
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201 |
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return mask; |
202 |
root |
1.3 |
} |
203 |
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204 |
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void |
205 |
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rxvt_img::brightness (double r, double g, double b, double a) |
206 |
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{ |
207 |
sf-exg |
1.6 |
Display *dpy = s->display->dpy; |
208 |
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Picture src = create_xrender_mask (dpy, pm, True); |
209 |
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Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
210 |
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211 |
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XRenderColor mask_c; |
212 |
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mask_c.red = float_to_component (r); |
213 |
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mask_c.green = float_to_component (g); |
214 |
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mask_c.blue = float_to_component (b); |
215 |
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mask_c.alpha = float_to_component (a); |
216 |
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XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
217 |
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218 |
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XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
219 |
sf-exg |
1.23 |
|
220 |
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XRenderFreePicture (dpy, src); |
221 |
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XRenderFreePicture (dpy, dst); |
222 |
root |
1.3 |
} |
223 |
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224 |
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void |
225 |
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rxvt_img::contrast (double r, double g, double b, double a) |
226 |
root |
1.1 |
{ |
227 |
sf-exg |
1.6 |
if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
228 |
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return; |
229 |
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230 |
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Display *dpy = s->display->dpy; |
231 |
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Picture src = create_xrender_mask (dpy, pm, True); |
232 |
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Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
233 |
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234 |
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XRenderColor mask_c; |
235 |
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mask_c.red = float_to_component (r); |
236 |
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mask_c.green = float_to_component (g); |
237 |
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mask_c.blue = float_to_component (b); |
238 |
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mask_c.alpha = float_to_component (a); |
239 |
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XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
240 |
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241 |
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XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
242 |
sf-exg |
1.23 |
|
243 |
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XRenderFreePicture (dpy, src); |
244 |
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XRenderFreePicture (dpy, dst); |
245 |
root |
1.1 |
} |
246 |
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247 |
root |
1.14 |
bool |
248 |
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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) |
249 |
root |
1.3 |
{ |
250 |
root |
1.14 |
Display *dpy = s->display->dpy; |
251 |
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252 |
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if (s->visual->c_class != TrueColor) |
253 |
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return false; |
254 |
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255 |
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uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
256 |
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|
257 |
sf-exg |
1.18 |
red_mask = (uint32_t)format->direct.redMask << format->direct.red; |
258 |
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green_mask = (uint32_t)format->direct.greenMask << format->direct.green; |
259 |
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blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; |
260 |
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alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
261 |
root |
1.14 |
|
262 |
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int width_r = ecb_popcount32 (red_mask); |
263 |
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int width_g = ecb_popcount32 (green_mask); |
264 |
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int width_b = ecb_popcount32 (blue_mask); |
265 |
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int width_a = ecb_popcount32 (alpha_mask); |
266 |
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267 |
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if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
268 |
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return false; |
269 |
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270 |
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int sh_r = ecb_ctz32 (red_mask); |
271 |
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int sh_g = ecb_ctz32 (green_mask); |
272 |
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int sh_b = ecb_ctz32 (blue_mask); |
273 |
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int sh_a = ecb_ctz32 (alpha_mask); |
274 |
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275 |
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if (width > 32767 || height > 32767) |
276 |
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return false; |
277 |
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|
278 |
sf-exg |
1.18 |
XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
279 |
root |
1.14 |
width, height, 32, 0); |
280 |
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if (!ximage) |
281 |
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return false; |
282 |
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283 |
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if (height > INT_MAX / ximage->bytes_per_line |
284 |
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|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
285 |
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{ |
286 |
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XDestroyImage (ximage); |
287 |
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return false; |
288 |
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} |
289 |
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290 |
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GC gc = XCreateGC (dpy, pm, 0, 0); |
291 |
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292 |
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ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
293 |
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294 |
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int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
295 |
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int channels = gdk_pixbuf_get_n_channels (pixbuf); |
296 |
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unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
297 |
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char *line = ximage->data; |
298 |
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299 |
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for (int y = 0; y < height; y++) |
300 |
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{ |
301 |
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for (int x = 0; x < width; x++) |
302 |
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{ |
303 |
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unsigned char *pixel = row + x * channels; |
304 |
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uint32_t value; |
305 |
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unsigned char r, g, b, a; |
306 |
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|
307 |
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if (channels == 4) |
308 |
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{ |
309 |
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a = pixel[3]; |
310 |
sf-exg |
1.25 |
r = pixel[0] * a / 0xff; |
311 |
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g = pixel[1] * a / 0xff; |
312 |
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b = pixel[2] * a / 0xff; |
313 |
root |
1.14 |
} |
314 |
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else |
315 |
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{ |
316 |
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a = 0xff; |
317 |
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r = pixel[0]; |
318 |
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g = pixel[1]; |
319 |
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b = pixel[2]; |
320 |
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} |
321 |
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322 |
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value = ((r >> (8 - width_r)) << sh_r) |
323 |
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| ((g >> (8 - width_g)) << sh_g) |
324 |
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| ((b >> (8 - width_b)) << sh_b) |
325 |
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| ((a >> (8 - width_a)) << sh_a); |
326 |
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327 |
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if (ximage->bits_per_pixel == 32) |
328 |
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((uint32_t *)line)[x] = value; |
329 |
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else |
330 |
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XPutPixel (ximage, x, y, value); |
331 |
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} |
332 |
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333 |
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row += rowstride; |
334 |
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line += ximage->bytes_per_line; |
335 |
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} |
336 |
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|
337 |
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XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
338 |
|
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XDestroyImage (ximage); |
339 |
|
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XFreeGC (dpy, gc); |
340 |
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|
341 |
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return true; |
342 |
root |
1.3 |
} |
343 |
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|
344 |
|
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rxvt_img * |
345 |
root |
1.11 |
rxvt_img::clone () |
346 |
root |
1.3 |
{ |
347 |
root |
1.19 |
rxvt_img *img = new rxvt_img (s, format, w, h); |
348 |
|
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|
349 |
root |
1.3 |
GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
350 |
root |
1.19 |
XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0); |
351 |
root |
1.3 |
XFreeGC (s->display->dpy, gc); |
352 |
root |
1.20 |
|
353 |
|
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return img; |
354 |
root |
1.3 |
} |
355 |
|
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|
356 |
|
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rxvt_img * |
357 |
root |
1.19 |
rxvt_img::sub_rect (int x, int y, int width, int height, int repeat) |
358 |
|
|
{ |
359 |
|
|
rxvt_img *img = new rxvt_img (s, format, width, height); |
360 |
|
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|
361 |
|
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Display *dpy = s->display->dpy; |
362 |
|
|
XRenderPictureAttributes pa; |
363 |
|
|
pa.repeat = repeat; |
364 |
|
|
Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
365 |
|
|
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
366 |
|
|
|
367 |
|
|
XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height); |
368 |
|
|
|
369 |
|
|
XRenderFreePicture (dpy, src); |
370 |
|
|
XRenderFreePicture (dpy, dst); |
371 |
|
|
|
372 |
|
|
return img; |
373 |
|
|
} |
374 |
|
|
|
375 |
|
|
rxvt_img * |
376 |
|
|
rxvt_img::transform (int new_width, int new_height, double matrix[9], int repeat) |
377 |
root |
1.3 |
{ |
378 |
root |
1.12 |
rxvt_img *img = new rxvt_img (s, format, new_width, new_height); |
379 |
|
|
|
380 |
|
|
Display *dpy = s->display->dpy; |
381 |
root |
1.13 |
XRenderPictureAttributes pa; |
382 |
|
|
pa.repeat = repeat; |
383 |
|
|
Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
384 |
|
|
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
385 |
root |
1.12 |
|
386 |
|
|
XTransform xfrm; |
387 |
|
|
|
388 |
|
|
for (int i = 0; i < 3; ++i) |
389 |
|
|
for (int j = 0; j < 3; ++j) |
390 |
|
|
xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
391 |
|
|
|
392 |
root |
1.17 |
XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
393 |
root |
1.12 |
XRenderSetPictureTransform (dpy, src, &xfrm); |
394 |
|
|
XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
395 |
|
|
|
396 |
|
|
XRenderFreePicture (dpy, src); |
397 |
|
|
XRenderFreePicture (dpy, dst); |
398 |
|
|
|
399 |
|
|
return img; |
400 |
root |
1.3 |
} |
401 |
|
|
|
402 |
|
|
rxvt_img * |
403 |
|
|
rxvt_img::scale (int new_width, int new_height) |
404 |
|
|
{ |
405 |
root |
1.11 |
double matrix[9] = { |
406 |
root |
1.16 |
w / (double)new_width, 0, 0, |
407 |
|
|
0, h / (double)new_height, 0, |
408 |
root |
1.11 |
0, 0, 1 |
409 |
|
|
}; |
410 |
|
|
|
411 |
root |
1.19 |
return transform (new_width, new_height, matrix); |
412 |
root |
1.3 |
} |
413 |
|
|
|
414 |
sf-exg |
1.7 |
rxvt_img * |
415 |
root |
1.19 |
rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat) |
416 |
root |
1.17 |
{ |
417 |
|
|
double s = sin (phi); |
418 |
|
|
double c = cos (phi); |
419 |
|
|
|
420 |
|
|
double matrix[9] = { |
421 |
|
|
c, -s, -c * x + s * y + x, |
422 |
|
|
s, c, -s * x - c * y + y, |
423 |
|
|
0, 0, 1 |
424 |
|
|
}; |
425 |
|
|
|
426 |
root |
1.19 |
return transform (new_width, new_height, matrix, repeat); |
427 |
root |
1.17 |
} |
428 |
|
|
|
429 |
|
|
rxvt_img * |
430 |
sf-exg |
1.7 |
rxvt_img::convert_to (XRenderPictFormat *new_format) |
431 |
|
|
{ |
432 |
sf-exg |
1.10 |
rxvt_img *img = new rxvt_img (s, new_format, w, h); |
433 |
root |
1.9 |
|
434 |
sf-exg |
1.7 |
Display *dpy = s->display->dpy; |
435 |
root |
1.12 |
Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); |
436 |
root |
1.8 |
Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
437 |
sf-exg |
1.7 |
|
438 |
|
|
XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
439 |
|
|
|
440 |
|
|
XRenderFreePicture (dpy, src); |
441 |
|
|
XRenderFreePicture (dpy, dst); |
442 |
|
|
|
443 |
|
|
return img; |
444 |
|
|
} |
445 |
root |
1.3 |
|
446 |
sf-exg |
1.24 |
rxvt_img * |
447 |
|
|
rxvt_img::blend (rxvt_img *img, double factor) |
448 |
|
|
{ |
449 |
|
|
rxvt_img *img2 = clone (); |
450 |
|
|
Display *dpy = s->display->dpy; |
451 |
|
|
Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
452 |
|
|
Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
453 |
|
|
Picture mask = create_xrender_mask (dpy, img->pm, False); |
454 |
|
|
|
455 |
|
|
XRenderColor mask_c; |
456 |
|
|
|
457 |
|
|
mask_c.alpha = float_to_component (factor); |
458 |
|
|
mask_c.red = |
459 |
|
|
mask_c.green = |
460 |
|
|
mask_c.blue = 0; |
461 |
|
|
XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
462 |
|
|
|
463 |
|
|
XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
464 |
|
|
|
465 |
|
|
XRenderFreePicture (dpy, src); |
466 |
|
|
XRenderFreePicture (dpy, dst); |
467 |
|
|
XRenderFreePicture (dpy, mask); |
468 |
|
|
|
469 |
|
|
return img2; |
470 |
|
|
} |
471 |
|
|
|
472 |
root |
1.1 |
#endif |
473 |
|
|
|