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 |
1.41 |
rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
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: s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
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root |
1.34 |
pm(0), ref(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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1.34 |
: s(img.s), x(img.x), y(img.y), w(img.w), h(img.h), format(img.format), repeat(img.repeat), pm(img.pm), ref(img.ref) |
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1.32 |
{ |
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1.34 |
++ref->cnt; |
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1.32 |
} |
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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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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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|
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1.32 |
img->pm = root_pixmap; |
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1.34 |
img->ref = new pixref (root_pm_w, root_pm_h); |
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img->ref->ours = false; |
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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 |
1.47 |
rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
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{ |
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1.48 |
Display *dpy = s->display->dpy; |
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1.47 |
int width = gdk_pixbuf_get_width (pb); |
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int height = gdk_pixbuf_get_height (pb); |
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if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
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rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
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// since we require rgb24/argb32 formats from xrender we assume |
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// that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
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int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24; |
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1.54 |
int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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1.47 |
XImage xi; |
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xi.width = width; |
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xi.height = height; |
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xi.xoffset = 0; |
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xi.format = ZPixmap; |
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1.54 |
xi.byte_order = ImageByteOrder (dpy); |
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1.55 |
xi.bitmap_unit = 0; //XY only, unused |
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xi.bitmap_bit_order = 0; //XY only, unused |
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1.48 |
xi.bitmap_pad = BitmapPad (dpy); |
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1.47 |
xi.depth = depth; |
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xi.bytes_per_line = 0; |
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1.51 |
xi.bits_per_pixel = 32; //Z only |
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xi.red_mask = 0x00000000; //Z only, unused |
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xi.green_mask = 0x00000000; //Z only, unused |
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xi.blue_mask = 0x00000000; //Z only, unused |
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xi.obdata = 0; // probably unused |
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|
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1.54 |
bool byte_order_mismatch = byte_order != xi.byte_order; |
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if (!XInitImage (&xi)) |
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rxvt_fatal ("unable to initialise ximage, please report.\n"); |
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if (height > INT_MAX / xi.bytes_per_line) |
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rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
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xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
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int rowstride = gdk_pixbuf_get_rowstride (pb); |
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assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb)); |
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unsigned char *row = gdk_pixbuf_get_pixels (pb); |
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char *line = xi.data; |
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for (int y = 0; y < height; y++) |
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{ |
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unsigned char *src = row; |
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uint32_t *dst = (uint32_t *)line; |
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if (depth == 24) |
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for (int x = 0; x < width; x++) |
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{ |
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1.50 |
uint8_t r = *src++; |
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uint8_t g = *src++; |
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uint8_t b = *src++; |
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1.53 |
uint32_t v = (r << 16) | (g << 8) | b; |
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1.50 |
|
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1.56 |
if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
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1.54 |
v = ecb_bswap32 (v); |
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1.51 |
*dst++ = v; |
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1.47 |
} |
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else |
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for (int x = 0; x < width; x++) |
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{ |
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1.50 |
uint32_t v = *(uint32_t *)src; src += 4; |
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root |
1.51 |
|
129 |
root |
1.57 |
if (ecb_big_endian ()) |
130 |
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1.51 |
v = ecb_bswap32 (v); |
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132 |
root |
1.58 |
v = ecb_rotl32 (v, 8); // abgr to bgra |
133 |
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1.52 |
|
134 |
root |
1.57 |
if (!byte_order_mismatch) |
135 |
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1.54 |
v = ecb_bswap32 (v); |
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137 |
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1.51 |
*dst++ = v; |
138 |
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1.47 |
} |
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row += rowstride; |
141 |
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1.50 |
line += xi.bytes_per_line; |
142 |
root |
1.47 |
} |
143 |
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144 |
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rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height); |
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img->alloc (); |
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147 |
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GC gc = XCreateGC (dpy, img->pm, 0, 0); |
148 |
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XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
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XFreeGC (dpy, gc); |
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151 |
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free (xi.data); |
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return img; |
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} |
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156 |
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rxvt_img * |
157 |
root |
1.4 |
rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
158 |
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{ |
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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) |
163 |
root |
1.11 |
rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
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root |
1.4 |
|
165 |
root |
1.47 |
rxvt_img *img = new_from_pixbuf (s, pb); |
166 |
root |
1.4 |
|
167 |
sf-exg |
1.26 |
g_object_unref (pb); |
168 |
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root |
1.4 |
return img; |
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} |
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root |
1.32 |
void |
173 |
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rxvt_img::destroy () |
174 |
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{ |
175 |
root |
1.34 |
if (--ref->cnt) |
176 |
root |
1.32 |
return; |
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root |
1.34 |
if (pm && ref->ours) |
179 |
root |
1.32 |
XFreePixmap (s->display->dpy, pm); |
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root |
1.34 |
delete ref; |
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1.32 |
} |
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184 |
root |
1.1 |
rxvt_img::~rxvt_img () |
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{ |
186 |
root |
1.32 |
destroy (); |
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} |
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189 |
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void |
190 |
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rxvt_img::alloc () |
191 |
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{ |
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pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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root |
1.34 |
ref = new pixref (w, h); |
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} |
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Picture |
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rxvt_img::src_picture () |
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{ |
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Display *dpy = s->display->dpy; |
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XRenderPictureAttributes pa; |
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pa.repeat = repeat; |
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Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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return pic; |
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root |
1.1 |
} |
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void |
209 |
root |
1.11 |
rxvt_img::unshare () |
210 |
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{ |
211 |
root |
1.34 |
if (ref->cnt == 1 && ref->ours) |
212 |
root |
1.11 |
return; |
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214 |
root |
1.34 |
//TODO: maybe should reify instead |
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Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
216 |
root |
1.32 |
GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
217 |
root |
1.34 |
XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
218 |
root |
1.32 |
XFreeGC (s->display->dpy, gc); |
219 |
root |
1.11 |
|
220 |
root |
1.32 |
destroy (); |
221 |
root |
1.11 |
|
222 |
root |
1.32 |
pm = pm2; |
223 |
root |
1.34 |
ref = new pixref (ref->w, ref->h); |
224 |
root |
1.11 |
} |
225 |
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226 |
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void |
227 |
root |
1.1 |
rxvt_img::fill (const rxvt_color &c) |
228 |
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{ |
229 |
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XGCValues gcv; |
230 |
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gcv.foreground = c; |
231 |
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GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
232 |
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XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
233 |
root |
1.3 |
XFreeGC (s->display->dpy, gc); |
234 |
root |
1.1 |
} |
235 |
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236 |
sf-exg |
1.6 |
static void |
237 |
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get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
238 |
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{ |
239 |
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double sigma = radius / 2.0; |
240 |
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double scale = sqrt (2.0 * M_PI) * sigma; |
241 |
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double sum = 0.0; |
242 |
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243 |
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for (int i = 0; i < width; i++) |
244 |
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{ |
245 |
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double x = i - width / 2; |
246 |
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kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
247 |
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sum += kernel[i]; |
248 |
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} |
249 |
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250 |
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params[0] = XDoubleToFixed (width); |
251 |
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params[1] = XDoubleToFixed (1); |
252 |
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253 |
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for (int i = 0; i < width; i++) |
254 |
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params[i+2] = XDoubleToFixed (kernel[i] / sum); |
255 |
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} |
256 |
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257 |
sf-exg |
1.22 |
rxvt_img * |
258 |
root |
1.3 |
rxvt_img::blur (int rh, int rv) |
259 |
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{ |
260 |
sf-exg |
1.6 |
if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
261 |
sf-exg |
1.22 |
return clone (); |
262 |
sf-exg |
1.6 |
|
263 |
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Display *dpy = s->display->dpy; |
264 |
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int size = max (rh, rv) * 2 + 1; |
265 |
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double *kernel = (double *)malloc (size * sizeof (double)); |
266 |
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XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
267 |
root |
1.41 |
rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
268 |
root |
1.32 |
img->alloc (); |
269 |
sf-exg |
1.6 |
|
270 |
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XRenderPictureAttributes pa; |
271 |
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pa.repeat = RepeatPad; |
272 |
sf-exg |
1.61 |
Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
273 |
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Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
274 |
sf-exg |
1.22 |
|
275 |
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Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
276 |
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Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
277 |
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XFreePixmap (dpy, tmp_pm); |
278 |
sf-exg |
1.6 |
|
279 |
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if (kernel && params) |
280 |
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{ |
281 |
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size = rh * 2 + 1; |
282 |
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get_gaussian_kernel (rh, size, kernel, params); |
283 |
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284 |
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XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
285 |
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XRenderComposite (dpy, |
286 |
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PictOpSrc, |
287 |
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src, |
288 |
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None, |
289 |
sf-exg |
1.22 |
tmp, |
290 |
sf-exg |
1.6 |
0, 0, |
291 |
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0, 0, |
292 |
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0, 0, |
293 |
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w, h); |
294 |
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295 |
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size = rv * 2 + 1; |
296 |
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get_gaussian_kernel (rv, size, kernel, params); |
297 |
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::swap (params[0], params[1]); |
298 |
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|
299 |
sf-exg |
1.60 |
XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
300 |
sf-exg |
1.6 |
XRenderComposite (dpy, |
301 |
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PictOpSrc, |
302 |
sf-exg |
1.22 |
tmp, |
303 |
sf-exg |
1.6 |
None, |
304 |
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dst, |
305 |
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0, 0, |
306 |
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0, 0, |
307 |
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0, 0, |
308 |
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w, h); |
309 |
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} |
310 |
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311 |
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free (kernel); |
312 |
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free (params); |
313 |
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XRenderFreePicture (dpy, src); |
314 |
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XRenderFreePicture (dpy, dst); |
315 |
sf-exg |
1.22 |
XRenderFreePicture (dpy, tmp); |
316 |
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317 |
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return img; |
318 |
sf-exg |
1.6 |
} |
319 |
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320 |
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static Picture |
321 |
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create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
322 |
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{ |
323 |
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Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
324 |
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325 |
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XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
326 |
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XRenderPictureAttributes pa; |
327 |
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pa.repeat = True; |
328 |
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Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
329 |
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330 |
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XFreePixmap (dpy, pixmap); |
331 |
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332 |
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return mask; |
333 |
root |
1.3 |
} |
334 |
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|
335 |
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void |
336 |
root |
1.63 |
rxvt_img::brightness (uint16_t r, uint16_t g, uint16_t b, uint16_t a) |
337 |
root |
1.3 |
{ |
338 |
sf-exg |
1.6 |
Display *dpy = s->display->dpy; |
339 |
|
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Picture src = create_xrender_mask (dpy, pm, True); |
340 |
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Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
341 |
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|
342 |
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XRenderColor mask_c; |
343 |
sf-exg |
1.31 |
mask_c.red = r; |
344 |
|
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mask_c.green = g; |
345 |
|
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mask_c.blue = b; |
346 |
|
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mask_c.alpha = a; |
347 |
sf-exg |
1.6 |
XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
348 |
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|
349 |
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XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
350 |
sf-exg |
1.23 |
|
351 |
|
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XRenderFreePicture (dpy, src); |
352 |
|
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XRenderFreePicture (dpy, dst); |
353 |
root |
1.3 |
} |
354 |
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|
355 |
|
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void |
356 |
root |
1.63 |
rxvt_img::contrast (uint16_t r, uint16_t g, uint16_t b, uint16_t a) |
357 |
root |
1.1 |
{ |
358 |
sf-exg |
1.6 |
if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
359 |
|
|
return; |
360 |
|
|
|
361 |
|
|
Display *dpy = s->display->dpy; |
362 |
|
|
Picture src = create_xrender_mask (dpy, pm, True); |
363 |
|
|
Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
364 |
|
|
|
365 |
|
|
XRenderColor mask_c; |
366 |
sf-exg |
1.31 |
mask_c.red = r; |
367 |
|
|
mask_c.green = g; |
368 |
|
|
mask_c.blue = b; |
369 |
|
|
mask_c.alpha = a; |
370 |
sf-exg |
1.6 |
XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
371 |
|
|
|
372 |
|
|
XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
373 |
sf-exg |
1.23 |
|
374 |
|
|
XRenderFreePicture (dpy, src); |
375 |
|
|
XRenderFreePicture (dpy, dst); |
376 |
root |
1.1 |
} |
377 |
|
|
|
378 |
root |
1.3 |
rxvt_img * |
379 |
root |
1.11 |
rxvt_img::clone () |
380 |
root |
1.3 |
{ |
381 |
root |
1.32 |
return new rxvt_img (*this); |
382 |
root |
1.3 |
} |
383 |
|
|
|
384 |
root |
1.46 |
static XRenderPictFormat * |
385 |
|
|
find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
386 |
|
|
{ |
387 |
|
|
if (format->direct.alphaMask) |
388 |
|
|
return format; // already has alpha |
389 |
|
|
|
390 |
|
|
// try to find a suitable alpha format, one bit alpha is enough for our purposes |
391 |
|
|
if (format->type == PictTypeDirect) |
392 |
|
|
for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
393 |
|
|
if (f->direct.alphaMask |
394 |
|
|
&& f->type == PictTypeDirect |
395 |
|
|
&& ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
396 |
|
|
&& ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
397 |
|
|
&& ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
398 |
|
|
return f; |
399 |
|
|
|
400 |
|
|
// should be a very good fallback |
401 |
|
|
return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
402 |
|
|
} |
403 |
|
|
|
404 |
root |
1.3 |
rxvt_img * |
405 |
root |
1.33 |
rxvt_img::reify () |
406 |
root |
1.19 |
{ |
407 |
root |
1.35 |
if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
408 |
|
|
return clone (); |
409 |
|
|
|
410 |
root |
1.40 |
Display *dpy = s->display->dpy; |
411 |
|
|
|
412 |
root |
1.62 |
// add an alpha channel if... |
413 |
|
|
bool alpha = !format->direct.alphaMask // pixmap has none yet |
414 |
|
|
&& (x || y) // we need one because of non-zero offset |
415 |
|
|
&& repeat == RepeatNone; // and we have no good pixels to fill with |
416 |
root |
1.40 |
|
417 |
root |
1.46 |
rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
418 |
root |
1.32 |
img->alloc (); |
419 |
root |
1.19 |
|
420 |
root |
1.34 |
Picture src = src_picture (); |
421 |
|
|
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
422 |
root |
1.33 |
|
423 |
root |
1.42 |
if (alpha) |
424 |
|
|
{ |
425 |
|
|
XRenderColor rc = { 0, 0, 0, 0 }; |
426 |
root |
1.44 |
XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
427 |
root |
1.42 |
XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
428 |
|
|
} |
429 |
|
|
else |
430 |
|
|
XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
431 |
|
|
|
432 |
root |
1.33 |
XRenderFreePicture (dpy, src); |
433 |
|
|
XRenderFreePicture (dpy, dst); |
434 |
root |
1.19 |
|
435 |
root |
1.33 |
return img; |
436 |
|
|
} |
437 |
root |
1.19 |
|
438 |
root |
1.33 |
rxvt_img * |
439 |
|
|
rxvt_img::sub_rect (int x, int y, int width, int height) |
440 |
|
|
{ |
441 |
|
|
rxvt_img *img = clone (); |
442 |
|
|
|
443 |
|
|
img->x += x; |
444 |
|
|
img->y += y; |
445 |
root |
1.19 |
|
446 |
root |
1.37 |
if (w != width || h != height) |
447 |
|
|
{ |
448 |
|
|
img->w = width; |
449 |
|
|
img->h = height; |
450 |
|
|
|
451 |
root |
1.39 |
rxvt_img *img2 = img->reify (); |
452 |
|
|
delete img; |
453 |
|
|
img = img2; |
454 |
root |
1.37 |
} |
455 |
root |
1.36 |
|
456 |
root |
1.19 |
return img; |
457 |
|
|
} |
458 |
|
|
|
459 |
|
|
rxvt_img * |
460 |
root |
1.30 |
rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
461 |
root |
1.3 |
{ |
462 |
root |
1.41 |
rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat); |
463 |
root |
1.32 |
img->alloc (); |
464 |
root |
1.12 |
|
465 |
|
|
Display *dpy = s->display->dpy; |
466 |
root |
1.34 |
Picture src = src_picture (); |
467 |
|
|
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
468 |
root |
1.12 |
|
469 |
|
|
XTransform xfrm; |
470 |
|
|
|
471 |
|
|
for (int i = 0; i < 3; ++i) |
472 |
|
|
for (int j = 0; j < 3; ++j) |
473 |
|
|
xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
474 |
|
|
|
475 |
root |
1.44 |
#if 0 |
476 |
|
|
xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
477 |
|
|
xfrm.matrix [1][2] -= XDoubleToFixed (y); |
478 |
|
|
#endif |
479 |
root |
1.33 |
|
480 |
root |
1.17 |
XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
481 |
root |
1.12 |
XRenderSetPictureTransform (dpy, src, &xfrm); |
482 |
|
|
XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
483 |
|
|
|
484 |
|
|
XRenderFreePicture (dpy, src); |
485 |
|
|
XRenderFreePicture (dpy, dst); |
486 |
|
|
|
487 |
|
|
return img; |
488 |
root |
1.3 |
} |
489 |
|
|
|
490 |
|
|
rxvt_img * |
491 |
|
|
rxvt_img::scale (int new_width, int new_height) |
492 |
|
|
{ |
493 |
sf-exg |
1.43 |
if (w == new_width && h == new_height) |
494 |
|
|
return clone (); |
495 |
|
|
|
496 |
root |
1.11 |
double matrix[9] = { |
497 |
root |
1.16 |
w / (double)new_width, 0, 0, |
498 |
|
|
0, h / (double)new_height, 0, |
499 |
root |
1.11 |
0, 0, 1 |
500 |
|
|
}; |
501 |
|
|
|
502 |
root |
1.42 |
int old_repeat_mode = repeat; |
503 |
|
|
repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems |
504 |
|
|
|
505 |
|
|
rxvt_img *img = transform (new_width, new_height, matrix); |
506 |
|
|
|
507 |
|
|
repeat = old_repeat_mode; |
508 |
|
|
img->repeat = repeat; |
509 |
|
|
|
510 |
|
|
return img; |
511 |
root |
1.3 |
} |
512 |
|
|
|
513 |
sf-exg |
1.7 |
rxvt_img * |
514 |
root |
1.30 |
rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
515 |
root |
1.17 |
{ |
516 |
|
|
double s = sin (phi); |
517 |
|
|
double c = cos (phi); |
518 |
|
|
|
519 |
|
|
double matrix[9] = { |
520 |
|
|
c, -s, -c * x + s * y + x, |
521 |
|
|
s, c, -s * x - c * y + y, |
522 |
|
|
0, 0, 1 |
523 |
|
|
}; |
524 |
|
|
|
525 |
root |
1.30 |
return transform (new_width, new_height, matrix); |
526 |
root |
1.17 |
} |
527 |
|
|
|
528 |
|
|
rxvt_img * |
529 |
root |
1.45 |
rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg) |
530 |
sf-exg |
1.7 |
{ |
531 |
root |
1.32 |
if (new_format == format) |
532 |
|
|
return clone (); |
533 |
|
|
|
534 |
root |
1.45 |
rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
535 |
root |
1.32 |
img->alloc (); |
536 |
root |
1.9 |
|
537 |
sf-exg |
1.7 |
Display *dpy = s->display->dpy; |
538 |
root |
1.34 |
Picture src = src_picture (); |
539 |
root |
1.8 |
Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
540 |
root |
1.27 |
int op = PictOpSrc; |
541 |
sf-exg |
1.7 |
|
542 |
root |
1.29 |
if (format->direct.alphaMask && !new_format->direct.alphaMask) |
543 |
root |
1.27 |
{ |
544 |
|
|
// does it have to be that complicated |
545 |
|
|
rgba c; |
546 |
|
|
bg.get (c); |
547 |
|
|
|
548 |
|
|
XRenderColor rc = { c.r, c.g, c.b, 0xffff }; |
549 |
root |
1.28 |
XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
550 |
root |
1.27 |
|
551 |
|
|
op = PictOpOver; |
552 |
|
|
} |
553 |
|
|
|
554 |
|
|
XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
555 |
sf-exg |
1.7 |
|
556 |
|
|
XRenderFreePicture (dpy, src); |
557 |
|
|
XRenderFreePicture (dpy, dst); |
558 |
|
|
|
559 |
|
|
return img; |
560 |
|
|
} |
561 |
root |
1.3 |
|
562 |
sf-exg |
1.24 |
rxvt_img * |
563 |
|
|
rxvt_img::blend (rxvt_img *img, double factor) |
564 |
|
|
{ |
565 |
|
|
rxvt_img *img2 = clone (); |
566 |
|
|
Display *dpy = s->display->dpy; |
567 |
sf-exg |
1.38 |
Picture src = img->src_picture (); |
568 |
sf-exg |
1.24 |
Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
569 |
|
|
Picture mask = create_xrender_mask (dpy, img->pm, False); |
570 |
|
|
|
571 |
|
|
XRenderColor mask_c; |
572 |
|
|
|
573 |
|
|
mask_c.alpha = float_to_component (factor); |
574 |
|
|
mask_c.red = |
575 |
|
|
mask_c.green = |
576 |
|
|
mask_c.blue = 0; |
577 |
|
|
XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
578 |
|
|
|
579 |
|
|
XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
580 |
|
|
|
581 |
|
|
XRenderFreePicture (dpy, src); |
582 |
|
|
XRenderFreePicture (dpy, dst); |
583 |
|
|
XRenderFreePicture (dpy, mask); |
584 |
|
|
|
585 |
|
|
return img2; |
586 |
|
|
} |
587 |
|
|
|
588 |
root |
1.1 |
#endif |
589 |
|
|
|