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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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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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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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#if 0 |
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1.3 |
rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
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1.30 |
: s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap) |
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1.1 |
{ |
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} |
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1.32 |
#endif |
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1.1 |
|
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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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1.33 |
0, |
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0, |
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sf-exg |
1.21 |
root_pm_w, |
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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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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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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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xi.bitmap_pad = BitmapPad (dpy); |
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xi.depth = depth; |
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xi.bytes_per_line = 0; |
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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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1.47 |
|
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1.54 |
bool byte_order_mismatch = byte_order != xi.byte_order; |
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1.47 |
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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1.50 |
unsigned char *src = row; |
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uint32_t *dst = (uint32_t *)line; |
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1.47 |
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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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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) |
127 |
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1.54 |
v = ecb_bswap32 (v); |
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1.51 |
*dst++ = v; |
130 |
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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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1.51 |
|
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1.57 |
if (ecb_big_endian ()) |
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1.51 |
v = ecb_bswap32 (v); |
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139 |
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1.57 |
v = ecb_rotl32 (v, 8); |
140 |
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1.52 |
|
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1.57 |
if (!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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row += rowstride; |
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1.50 |
line += xi.bytes_per_line; |
149 |
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1.47 |
} |
150 |
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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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GC gc = XCreateGC (dpy, img->pm, 0, 0); |
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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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free (xi.data); |
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return img; |
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} |
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rxvt_img * |
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1.4 |
rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
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{ |
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1.11 |
GError *err = 0; |
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1.4 |
GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
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if (!pb) |
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1.11 |
rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
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1.4 |
|
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1.47 |
rxvt_img *img = new_from_pixbuf (s, pb); |
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root |
1.4 |
|
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sf-exg |
1.26 |
g_object_unref (pb); |
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1.4 |
return img; |
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} |
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1.32 |
void |
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rxvt_img::destroy () |
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{ |
182 |
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1.34 |
if (--ref->cnt) |
183 |
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1.32 |
return; |
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1.34 |
if (pm && ref->ours) |
186 |
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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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191 |
root |
1.1 |
rxvt_img::~rxvt_img () |
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{ |
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1.32 |
destroy (); |
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} |
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void |
197 |
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rxvt_img::alloc () |
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{ |
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pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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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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1.1 |
} |
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void |
216 |
root |
1.11 |
rxvt_img::unshare () |
217 |
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{ |
218 |
root |
1.34 |
if (ref->cnt == 1 && ref->ours) |
219 |
root |
1.11 |
return; |
220 |
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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); |
223 |
root |
1.32 |
GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
224 |
root |
1.34 |
XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
225 |
root |
1.32 |
XFreeGC (s->display->dpy, gc); |
226 |
root |
1.11 |
|
227 |
root |
1.32 |
destroy (); |
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root |
1.11 |
|
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root |
1.32 |
pm = pm2; |
230 |
root |
1.34 |
ref = new pixref (ref->w, ref->h); |
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root |
1.11 |
} |
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void |
234 |
root |
1.1 |
rxvt_img::fill (const rxvt_color &c) |
235 |
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{ |
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XGCValues gcv; |
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gcv.foreground = c; |
238 |
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GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
239 |
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XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
240 |
root |
1.3 |
XFreeGC (s->display->dpy, gc); |
241 |
root |
1.1 |
} |
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243 |
sf-exg |
1.6 |
static void |
244 |
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get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
245 |
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{ |
246 |
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double sigma = radius / 2.0; |
247 |
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double scale = sqrt (2.0 * M_PI) * sigma; |
248 |
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double sum = 0.0; |
249 |
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250 |
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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]; |
255 |
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} |
256 |
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257 |
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params[0] = XDoubleToFixed (width); |
258 |
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params[1] = XDoubleToFixed (1); |
259 |
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260 |
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for (int i = 0; i < width; i++) |
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params[i+2] = XDoubleToFixed (kernel[i] / sum); |
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} |
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264 |
sf-exg |
1.22 |
rxvt_img * |
265 |
root |
1.3 |
rxvt_img::blur (int rh, int rv) |
266 |
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{ |
267 |
sf-exg |
1.6 |
if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
268 |
sf-exg |
1.22 |
return clone (); |
269 |
sf-exg |
1.6 |
|
270 |
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Display *dpy = s->display->dpy; |
271 |
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int size = max (rh, rv) * 2 + 1; |
272 |
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double *kernel = (double *)malloc (size * sizeof (double)); |
273 |
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XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
274 |
root |
1.41 |
rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
275 |
root |
1.32 |
img->alloc (); |
276 |
sf-exg |
1.6 |
|
277 |
root |
1.34 |
Picture src = src_picture (); |
278 |
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279 |
sf-exg |
1.6 |
XRenderPictureAttributes pa; |
280 |
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pa.repeat = RepeatPad; |
281 |
sf-exg |
1.22 |
Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
282 |
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283 |
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Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
284 |
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Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
285 |
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XFreePixmap (dpy, tmp_pm); |
286 |
sf-exg |
1.6 |
|
287 |
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if (kernel && params) |
288 |
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{ |
289 |
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size = rh * 2 + 1; |
290 |
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get_gaussian_kernel (rh, size, kernel, params); |
291 |
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292 |
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XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
293 |
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XRenderComposite (dpy, |
294 |
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PictOpSrc, |
295 |
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src, |
296 |
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None, |
297 |
sf-exg |
1.22 |
tmp, |
298 |
sf-exg |
1.6 |
0, 0, |
299 |
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0, 0, |
300 |
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0, 0, |
301 |
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w, h); |
302 |
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303 |
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size = rv * 2 + 1; |
304 |
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get_gaussian_kernel (rv, size, kernel, params); |
305 |
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::swap (params[0], params[1]); |
306 |
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307 |
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XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
308 |
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XRenderComposite (dpy, |
309 |
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PictOpSrc, |
310 |
sf-exg |
1.22 |
tmp, |
311 |
sf-exg |
1.6 |
None, |
312 |
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dst, |
313 |
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0, 0, |
314 |
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0, 0, |
315 |
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0, 0, |
316 |
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w, h); |
317 |
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} |
318 |
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319 |
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free (kernel); |
320 |
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free (params); |
321 |
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XRenderFreePicture (dpy, src); |
322 |
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XRenderFreePicture (dpy, dst); |
323 |
sf-exg |
1.22 |
XRenderFreePicture (dpy, tmp); |
324 |
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325 |
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return img; |
326 |
sf-exg |
1.6 |
} |
327 |
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328 |
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static Picture |
329 |
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create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
330 |
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{ |
331 |
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Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
332 |
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333 |
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XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
334 |
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XRenderPictureAttributes pa; |
335 |
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pa.repeat = True; |
336 |
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Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
337 |
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338 |
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XFreePixmap (dpy, pixmap); |
339 |
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340 |
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return mask; |
341 |
root |
1.3 |
} |
342 |
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343 |
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void |
344 |
sf-exg |
1.31 |
rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
345 |
root |
1.3 |
{ |
346 |
sf-exg |
1.6 |
Display *dpy = s->display->dpy; |
347 |
|
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Picture src = create_xrender_mask (dpy, pm, True); |
348 |
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Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
349 |
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350 |
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XRenderColor mask_c; |
351 |
sf-exg |
1.31 |
mask_c.red = r; |
352 |
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mask_c.green = g; |
353 |
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mask_c.blue = b; |
354 |
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mask_c.alpha = a; |
355 |
sf-exg |
1.6 |
XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
356 |
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357 |
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|
XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
358 |
sf-exg |
1.23 |
|
359 |
|
|
XRenderFreePicture (dpy, src); |
360 |
|
|
XRenderFreePicture (dpy, dst); |
361 |
root |
1.3 |
} |
362 |
|
|
|
363 |
|
|
void |
364 |
sf-exg |
1.31 |
rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
365 |
root |
1.1 |
{ |
366 |
sf-exg |
1.6 |
if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
367 |
|
|
return; |
368 |
|
|
|
369 |
|
|
Display *dpy = s->display->dpy; |
370 |
|
|
Picture src = create_xrender_mask (dpy, pm, True); |
371 |
|
|
Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
372 |
|
|
|
373 |
|
|
XRenderColor mask_c; |
374 |
sf-exg |
1.31 |
mask_c.red = r; |
375 |
|
|
mask_c.green = g; |
376 |
|
|
mask_c.blue = b; |
377 |
|
|
mask_c.alpha = a; |
378 |
sf-exg |
1.6 |
XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
379 |
|
|
|
380 |
|
|
XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
381 |
sf-exg |
1.23 |
|
382 |
|
|
XRenderFreePicture (dpy, src); |
383 |
|
|
XRenderFreePicture (dpy, dst); |
384 |
root |
1.1 |
} |
385 |
|
|
|
386 |
root |
1.3 |
rxvt_img * |
387 |
root |
1.11 |
rxvt_img::clone () |
388 |
root |
1.3 |
{ |
389 |
root |
1.32 |
return new rxvt_img (*this); |
390 |
root |
1.3 |
} |
391 |
|
|
|
392 |
root |
1.46 |
static XRenderPictFormat * |
393 |
|
|
find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
394 |
|
|
{ |
395 |
|
|
if (format->direct.alphaMask) |
396 |
|
|
return format; // already has alpha |
397 |
|
|
|
398 |
|
|
// try to find a suitable alpha format, one bit alpha is enough for our purposes |
399 |
|
|
if (format->type == PictTypeDirect) |
400 |
|
|
for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
401 |
|
|
if (f->direct.alphaMask |
402 |
|
|
&& f->type == PictTypeDirect |
403 |
|
|
&& ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
404 |
|
|
&& ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
405 |
|
|
&& ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
406 |
|
|
return f; |
407 |
|
|
|
408 |
|
|
// should be a very good fallback |
409 |
|
|
return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
410 |
|
|
} |
411 |
|
|
|
412 |
root |
1.3 |
rxvt_img * |
413 |
root |
1.33 |
rxvt_img::reify () |
414 |
root |
1.19 |
{ |
415 |
root |
1.35 |
if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
416 |
|
|
return clone (); |
417 |
|
|
|
418 |
root |
1.40 |
Display *dpy = s->display->dpy; |
419 |
|
|
|
420 |
|
|
bool alpha = !format->direct.alphaMask |
421 |
|
|
&& (x || y) |
422 |
|
|
&& repeat == RepeatNone; |
423 |
|
|
|
424 |
root |
1.46 |
rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
425 |
root |
1.32 |
img->alloc (); |
426 |
root |
1.19 |
|
427 |
root |
1.34 |
Picture src = src_picture (); |
428 |
|
|
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
429 |
root |
1.33 |
|
430 |
root |
1.42 |
if (alpha) |
431 |
|
|
{ |
432 |
|
|
XRenderColor rc = { 0, 0, 0, 0 }; |
433 |
root |
1.44 |
XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
434 |
root |
1.42 |
XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
435 |
|
|
} |
436 |
|
|
else |
437 |
|
|
XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
438 |
|
|
|
439 |
root |
1.33 |
XRenderFreePicture (dpy, src); |
440 |
|
|
XRenderFreePicture (dpy, dst); |
441 |
root |
1.19 |
|
442 |
root |
1.33 |
return img; |
443 |
|
|
} |
444 |
root |
1.19 |
|
445 |
root |
1.33 |
rxvt_img * |
446 |
|
|
rxvt_img::sub_rect (int x, int y, int width, int height) |
447 |
|
|
{ |
448 |
|
|
rxvt_img *img = clone (); |
449 |
|
|
|
450 |
|
|
img->x += x; |
451 |
|
|
img->y += y; |
452 |
root |
1.19 |
|
453 |
root |
1.37 |
if (w != width || h != height) |
454 |
|
|
{ |
455 |
|
|
img->w = width; |
456 |
|
|
img->h = height; |
457 |
|
|
|
458 |
root |
1.39 |
rxvt_img *img2 = img->reify (); |
459 |
|
|
delete img; |
460 |
|
|
img = img2; |
461 |
root |
1.37 |
} |
462 |
root |
1.36 |
|
463 |
root |
1.19 |
return img; |
464 |
|
|
} |
465 |
|
|
|
466 |
|
|
rxvt_img * |
467 |
root |
1.30 |
rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
468 |
root |
1.3 |
{ |
469 |
root |
1.41 |
rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat); |
470 |
root |
1.32 |
img->alloc (); |
471 |
root |
1.12 |
|
472 |
|
|
Display *dpy = s->display->dpy; |
473 |
root |
1.34 |
Picture src = src_picture (); |
474 |
|
|
Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
475 |
root |
1.12 |
|
476 |
|
|
XTransform xfrm; |
477 |
|
|
|
478 |
|
|
for (int i = 0; i < 3; ++i) |
479 |
|
|
for (int j = 0; j < 3; ++j) |
480 |
|
|
xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
481 |
|
|
|
482 |
root |
1.44 |
#if 0 |
483 |
|
|
xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
484 |
|
|
xfrm.matrix [1][2] -= XDoubleToFixed (y); |
485 |
|
|
#endif |
486 |
root |
1.33 |
|
487 |
root |
1.17 |
XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
488 |
root |
1.12 |
XRenderSetPictureTransform (dpy, src, &xfrm); |
489 |
|
|
XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
490 |
|
|
|
491 |
|
|
XRenderFreePicture (dpy, src); |
492 |
|
|
XRenderFreePicture (dpy, dst); |
493 |
|
|
|
494 |
|
|
return img; |
495 |
root |
1.3 |
} |
496 |
|
|
|
497 |
|
|
rxvt_img * |
498 |
|
|
rxvt_img::scale (int new_width, int new_height) |
499 |
|
|
{ |
500 |
sf-exg |
1.43 |
if (w == new_width && h == new_height) |
501 |
|
|
return clone (); |
502 |
|
|
|
503 |
root |
1.11 |
double matrix[9] = { |
504 |
root |
1.16 |
w / (double)new_width, 0, 0, |
505 |
|
|
0, h / (double)new_height, 0, |
506 |
root |
1.11 |
0, 0, 1 |
507 |
|
|
}; |
508 |
|
|
|
509 |
root |
1.42 |
int old_repeat_mode = repeat; |
510 |
|
|
repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems |
511 |
|
|
|
512 |
|
|
rxvt_img *img = transform (new_width, new_height, matrix); |
513 |
|
|
|
514 |
|
|
repeat = old_repeat_mode; |
515 |
|
|
img->repeat = repeat; |
516 |
|
|
|
517 |
|
|
return img; |
518 |
root |
1.3 |
} |
519 |
|
|
|
520 |
sf-exg |
1.7 |
rxvt_img * |
521 |
root |
1.30 |
rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
522 |
root |
1.17 |
{ |
523 |
|
|
double s = sin (phi); |
524 |
|
|
double c = cos (phi); |
525 |
|
|
|
526 |
|
|
double matrix[9] = { |
527 |
|
|
c, -s, -c * x + s * y + x, |
528 |
|
|
s, c, -s * x - c * y + y, |
529 |
|
|
0, 0, 1 |
530 |
|
|
}; |
531 |
|
|
|
532 |
root |
1.30 |
return transform (new_width, new_height, matrix); |
533 |
root |
1.17 |
} |
534 |
|
|
|
535 |
|
|
rxvt_img * |
536 |
root |
1.45 |
rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg) |
537 |
sf-exg |
1.7 |
{ |
538 |
root |
1.32 |
if (new_format == format) |
539 |
|
|
return clone (); |
540 |
|
|
|
541 |
root |
1.45 |
rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
542 |
root |
1.32 |
img->alloc (); |
543 |
root |
1.9 |
|
544 |
sf-exg |
1.7 |
Display *dpy = s->display->dpy; |
545 |
root |
1.34 |
Picture src = src_picture (); |
546 |
root |
1.8 |
Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
547 |
root |
1.27 |
int op = PictOpSrc; |
548 |
sf-exg |
1.7 |
|
549 |
root |
1.29 |
if (format->direct.alphaMask && !new_format->direct.alphaMask) |
550 |
root |
1.27 |
{ |
551 |
|
|
// does it have to be that complicated |
552 |
|
|
rgba c; |
553 |
|
|
bg.get (c); |
554 |
|
|
|
555 |
|
|
XRenderColor rc = { c.r, c.g, c.b, 0xffff }; |
556 |
root |
1.28 |
XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
557 |
root |
1.27 |
|
558 |
|
|
op = PictOpOver; |
559 |
|
|
} |
560 |
|
|
|
561 |
|
|
XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
562 |
sf-exg |
1.7 |
|
563 |
|
|
XRenderFreePicture (dpy, src); |
564 |
|
|
XRenderFreePicture (dpy, dst); |
565 |
|
|
|
566 |
|
|
return img; |
567 |
|
|
} |
568 |
root |
1.3 |
|
569 |
sf-exg |
1.24 |
rxvt_img * |
570 |
|
|
rxvt_img::blend (rxvt_img *img, double factor) |
571 |
|
|
{ |
572 |
|
|
rxvt_img *img2 = clone (); |
573 |
|
|
Display *dpy = s->display->dpy; |
574 |
sf-exg |
1.38 |
Picture src = img->src_picture (); |
575 |
sf-exg |
1.24 |
Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
576 |
|
|
Picture mask = create_xrender_mask (dpy, img->pm, False); |
577 |
|
|
|
578 |
|
|
XRenderColor mask_c; |
579 |
|
|
|
580 |
|
|
mask_c.alpha = float_to_component (factor); |
581 |
|
|
mask_c.red = |
582 |
|
|
mask_c.green = |
583 |
|
|
mask_c.blue = 0; |
584 |
|
|
XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
585 |
|
|
|
586 |
|
|
XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
587 |
|
|
|
588 |
|
|
XRenderFreePicture (dpy, src); |
589 |
|
|
XRenderFreePicture (dpy, dst); |
590 |
|
|
XRenderFreePicture (dpy, mask); |
591 |
|
|
|
592 |
|
|
return img2; |
593 |
|
|
} |
594 |
|
|
|
595 |
root |
1.1 |
#endif |
596 |
|
|
|