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2 | #include "../config.h" |
2 | #include "../config.h" |
3 | #include "rxvt.h" |
3 | #include "rxvt.h" |
4 | |
4 | |
5 | #if HAVE_IMG |
5 | #if HAVE_IMG |
6 | |
6 | |
7 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height) |
7 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
8 | : s(screen), x(x), y(y), w(width), h(height), format(format), repeat(RepeatNormal), |
8 | : s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
9 | pm(0), ref(0) |
9 | pm(0), ref(0) |
10 | { |
10 | { |
11 | } |
11 | } |
12 | |
12 | |
13 | rxvt_img::rxvt_img (const rxvt_img &img) |
13 | rxvt_img::rxvt_img (const rxvt_img &img) |
… | |
… | |
57 | |
57 | |
58 | return img; |
58 | return img; |
59 | } |
59 | } |
60 | |
60 | |
61 | rxvt_img * |
61 | rxvt_img * |
|
|
62 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
|
|
63 | { |
|
|
64 | Display *dpy = s->display->dpy; |
|
|
65 | |
|
|
66 | int width = gdk_pixbuf_get_width (pb); |
|
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67 | int height = gdk_pixbuf_get_height (pb); |
|
|
68 | |
|
|
69 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
|
|
70 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
|
|
71 | |
|
|
72 | // since we require rgb24/argb32 formats from xrender we assume |
|
|
73 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
|
|
74 | int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24; |
|
|
75 | |
|
|
76 | XImage xi; |
|
|
77 | |
|
|
78 | xi.width = width; |
|
|
79 | xi.height = height; |
|
|
80 | xi.xoffset = 0; |
|
|
81 | xi.format = ZPixmap; |
|
|
82 | xi.byte_order = MSBFirst; // maybe go for host byte order, because servers are usually local? |
|
|
83 | xi.bitmap_unit = 32; |
|
|
84 | xi.bitmap_bit_order = MSBFirst; |
|
|
85 | xi.bitmap_pad = BitmapPad (dpy); |
|
|
86 | xi.depth = depth; |
|
|
87 | xi.bytes_per_line = 0; |
|
|
88 | xi.bits_per_pixel = 32; |
|
|
89 | xi.red_mask = 0x00ff0000; |
|
|
90 | xi.green_mask = 0x0000ff00; |
|
|
91 | xi.blue_mask = 0x000000ff; |
|
|
92 | |
|
|
93 | if (!XInitImage (&xi)) |
|
|
94 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
|
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95 | |
|
|
96 | if (height > INT_MAX / xi.bytes_per_line) |
|
|
97 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
|
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98 | |
|
|
99 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
|
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100 | |
|
|
101 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
|
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102 | |
|
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103 | assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb)); |
|
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104 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
|
|
105 | char *line = xi.data; |
|
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106 | |
|
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107 | for (int y = 0; y < height; y++) |
|
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108 | { |
|
|
109 | unsigned char r, g, b, a; |
|
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110 | unsigned char *data = row; |
|
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111 | |
|
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112 | if (depth == 24) |
|
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113 | for (int x = 0; x < width; x++) |
|
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114 | { |
|
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115 | r = *data++; |
|
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116 | g = *data++; |
|
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117 | b = *data++; |
|
|
118 | *line++ = 0; |
|
|
119 | *line++ = r; |
|
|
120 | *line++ = g; |
|
|
121 | *line++ = b; |
|
|
122 | } |
|
|
123 | else |
|
|
124 | for (int x = 0; x < width; x++) |
|
|
125 | { |
|
|
126 | uint32_t v = *(uint32_t *)data; data += 4; |
|
|
127 | v = ecb_big_endian () ? ecb_rotr32 (v, 8) : ecb_rotl32 (v, 8); |
|
|
128 | *(uint32_t *)line = x; line += 4; |
|
|
129 | } |
|
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130 | |
|
|
131 | row += rowstride; |
|
|
132 | } |
|
|
133 | |
|
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134 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height); |
|
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135 | img->alloc (); |
|
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136 | |
|
|
137 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
|
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138 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
|
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139 | XFreeGC (dpy, gc); |
|
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140 | |
|
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141 | free (xi.data); |
|
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142 | |
|
|
143 | return img; |
|
|
144 | } |
|
|
145 | |
|
|
146 | rxvt_img * |
62 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
147 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
63 | { |
148 | { |
64 | GError *err = 0; |
149 | GError *err = 0; |
65 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
150 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
66 | |
151 | |
67 | if (!pb) |
152 | if (!pb) |
68 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
153 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
69 | |
154 | |
70 | rxvt_img *img = new rxvt_img ( |
155 | rxvt_img *img = new_from_pixbuf (s, pb); |
71 | s, |
|
|
72 | XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
|
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73 | 0, |
|
|
74 | 0, |
|
|
75 | gdk_pixbuf_get_width (pb), |
|
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76 | gdk_pixbuf_get_height (pb) |
|
|
77 | ); |
|
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78 | img->alloc (); |
|
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79 | img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); |
|
|
80 | |
156 | |
81 | g_object_unref (pb); |
157 | g_object_unref (pb); |
82 | |
158 | |
83 | return img; |
159 | return img; |
84 | } |
160 | } |
… | |
… | |
176 | |
252 | |
177 | Display *dpy = s->display->dpy; |
253 | Display *dpy = s->display->dpy; |
178 | int size = max (rh, rv) * 2 + 1; |
254 | int size = max (rh, rv) * 2 + 1; |
179 | double *kernel = (double *)malloc (size * sizeof (double)); |
255 | double *kernel = (double *)malloc (size * sizeof (double)); |
180 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
256 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
181 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h); |
257 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
182 | img->alloc (); |
258 | img->alloc (); |
183 | |
259 | |
184 | Picture src = src_picture (); |
260 | Picture src = src_picture (); |
185 | |
261 | |
186 | XRenderPictureAttributes pa; |
262 | XRenderPictureAttributes pa; |
… | |
… | |
288 | |
364 | |
289 | XRenderFreePicture (dpy, src); |
365 | XRenderFreePicture (dpy, src); |
290 | XRenderFreePicture (dpy, dst); |
366 | XRenderFreePicture (dpy, dst); |
291 | } |
367 | } |
292 | |
368 | |
293 | bool |
|
|
294 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
|
|
295 | { |
|
|
296 | Display *dpy = s->display->dpy; |
|
|
297 | |
|
|
298 | if (s->visual->c_class != TrueColor) |
|
|
299 | return false; |
|
|
300 | |
|
|
301 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
|
|
302 | |
|
|
303 | red_mask = (uint32_t)format->direct.redMask << format->direct.red; |
|
|
304 | green_mask = (uint32_t)format->direct.greenMask << format->direct.green; |
|
|
305 | blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; |
|
|
306 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
|
|
307 | |
|
|
308 | int width_r = ecb_popcount32 (red_mask); |
|
|
309 | int width_g = ecb_popcount32 (green_mask); |
|
|
310 | int width_b = ecb_popcount32 (blue_mask); |
|
|
311 | int width_a = ecb_popcount32 (alpha_mask); |
|
|
312 | |
|
|
313 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
|
|
314 | return false; |
|
|
315 | |
|
|
316 | int sh_r = ecb_ctz32 (red_mask); |
|
|
317 | int sh_g = ecb_ctz32 (green_mask); |
|
|
318 | int sh_b = ecb_ctz32 (blue_mask); |
|
|
319 | int sh_a = ecb_ctz32 (alpha_mask); |
|
|
320 | |
|
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321 | if (width > 32767 || height > 32767) |
|
|
322 | return false; |
|
|
323 | |
|
|
324 | XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
|
|
325 | width, height, 32, 0); |
|
|
326 | if (!ximage) |
|
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327 | return false; |
|
|
328 | |
|
|
329 | if (height > INT_MAX / ximage->bytes_per_line |
|
|
330 | || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
|
|
331 | { |
|
|
332 | XDestroyImage (ximage); |
|
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333 | return false; |
|
|
334 | } |
|
|
335 | |
|
|
336 | GC gc = XCreateGC (dpy, pm, 0, 0); |
|
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337 | |
|
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338 | ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
|
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339 | |
|
|
340 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
|
|
341 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
|
|
342 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
|
|
343 | char *line = ximage->data; |
|
|
344 | |
|
|
345 | for (int y = 0; y < height; y++) |
|
|
346 | { |
|
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347 | for (int x = 0; x < width; x++) |
|
|
348 | { |
|
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349 | unsigned char *pixel = row + x * channels; |
|
|
350 | uint32_t value; |
|
|
351 | unsigned char r, g, b, a; |
|
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352 | |
|
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353 | if (channels == 4) |
|
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354 | { |
|
|
355 | a = pixel[3]; |
|
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356 | r = pixel[0] * a / 0xff; |
|
|
357 | g = pixel[1] * a / 0xff; |
|
|
358 | b = pixel[2] * a / 0xff; |
|
|
359 | } |
|
|
360 | else |
|
|
361 | { |
|
|
362 | a = 0xff; |
|
|
363 | r = pixel[0]; |
|
|
364 | g = pixel[1]; |
|
|
365 | b = pixel[2]; |
|
|
366 | } |
|
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367 | |
|
|
368 | value = ((r >> (8 - width_r)) << sh_r) |
|
|
369 | | ((g >> (8 - width_g)) << sh_g) |
|
|
370 | | ((b >> (8 - width_b)) << sh_b) |
|
|
371 | | ((a >> (8 - width_a)) << sh_a); |
|
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372 | |
|
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373 | if (ximage->bits_per_pixel == 32) |
|
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374 | ((uint32_t *)line)[x] = value; |
|
|
375 | else |
|
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376 | XPutPixel (ximage, x, y, value); |
|
|
377 | } |
|
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378 | |
|
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379 | row += rowstride; |
|
|
380 | line += ximage->bytes_per_line; |
|
|
381 | } |
|
|
382 | |
|
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383 | XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
|
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384 | XDestroyImage (ximage); |
|
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385 | XFreeGC (dpy, gc); |
|
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386 | |
|
|
387 | return true; |
|
|
388 | } |
|
|
389 | |
|
|
390 | rxvt_img * |
369 | rxvt_img * |
391 | rxvt_img::clone () |
370 | rxvt_img::clone () |
392 | { |
371 | { |
393 | return new rxvt_img (*this); |
372 | return new rxvt_img (*this); |
|
|
373 | } |
|
|
374 | |
|
|
375 | static XRenderPictFormat * |
|
|
376 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
|
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377 | { |
|
|
378 | if (format->direct.alphaMask) |
|
|
379 | return format; // already has alpha |
|
|
380 | |
|
|
381 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
|
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382 | if (format->type == PictTypeDirect) |
|
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383 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
|
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384 | if (f->direct.alphaMask |
|
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385 | && f->type == PictTypeDirect |
|
|
386 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
|
|
387 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
|
|
388 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
|
|
389 | return f; |
|
|
390 | |
|
|
391 | // should be a very good fallback |
|
|
392 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
394 | } |
393 | } |
395 | |
394 | |
396 | rxvt_img * |
395 | rxvt_img * |
397 | rxvt_img::reify () |
396 | rxvt_img::reify () |
398 | { |
397 | { |
399 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
398 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
400 | return clone (); |
399 | return clone (); |
401 | |
400 | |
402 | rxvt_img *img = new rxvt_img (s, format, 0, 0, w, h); |
401 | Display *dpy = s->display->dpy; |
|
|
402 | |
|
|
403 | bool alpha = !format->direct.alphaMask |
|
|
404 | && (x || y) |
|
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405 | && repeat == RepeatNone; |
|
|
406 | |
|
|
407 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
403 | img->alloc (); |
408 | img->alloc (); |
404 | |
|
|
405 | Display *dpy = s->display->dpy; |
|
|
406 | |
409 | |
407 | Picture src = src_picture (); |
410 | Picture src = src_picture (); |
408 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
411 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
409 | |
412 | |
|
|
413 | if (alpha) |
|
|
414 | { |
|
|
415 | XRenderColor rc = { 0, 0, 0, 0 }; |
|
|
416 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
|
|
417 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
|
|
418 | } |
|
|
419 | else |
410 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
420 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
411 | |
421 | |
412 | XRenderFreePicture (dpy, src); |
422 | XRenderFreePicture (dpy, src); |
413 | XRenderFreePicture (dpy, dst); |
423 | XRenderFreePicture (dpy, dst); |
414 | |
424 | |
415 | return img; |
425 | return img; |
416 | } |
426 | } |
… | |
… | |
426 | if (w != width || h != height) |
436 | if (w != width || h != height) |
427 | { |
437 | { |
428 | img->w = width; |
438 | img->w = width; |
429 | img->h = height; |
439 | img->h = height; |
430 | |
440 | |
431 | img->reify (); |
441 | rxvt_img *img2 = img->reify (); |
|
|
442 | delete img; |
|
|
443 | img = img2; |
432 | } |
444 | } |
433 | |
445 | |
434 | return img; |
446 | return img; |
435 | } |
447 | } |
436 | |
448 | |
437 | rxvt_img * |
449 | rxvt_img * |
438 | rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
450 | rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
439 | { |
451 | { |
440 | rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height); |
452 | rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat); |
441 | img->alloc (); |
453 | img->alloc (); |
442 | |
454 | |
443 | Display *dpy = s->display->dpy; |
455 | Display *dpy = s->display->dpy; |
444 | Picture src = src_picture (); |
456 | Picture src = src_picture (); |
445 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
457 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
… | |
… | |
448 | |
460 | |
449 | for (int i = 0; i < 3; ++i) |
461 | for (int i = 0; i < 3; ++i) |
450 | for (int j = 0; j < 3; ++j) |
462 | for (int j = 0; j < 3; ++j) |
451 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
463 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
452 | |
464 | |
|
|
465 | #if 0 |
453 | xfrm.matrix [0][2] += XDoubleToFixed (x);//TODO |
466 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
454 | xfrm.matrix [0][3] += XDoubleToFixed (y); |
467 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
|
|
468 | #endif |
455 | |
469 | |
456 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
470 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
457 | XRenderSetPictureTransform (dpy, src, &xfrm); |
471 | XRenderSetPictureTransform (dpy, src, &xfrm); |
458 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
472 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
459 | |
473 | |
… | |
… | |
464 | } |
478 | } |
465 | |
479 | |
466 | rxvt_img * |
480 | rxvt_img * |
467 | rxvt_img::scale (int new_width, int new_height) |
481 | rxvt_img::scale (int new_width, int new_height) |
468 | { |
482 | { |
|
|
483 | if (w == new_width && h == new_height) |
|
|
484 | return clone (); |
|
|
485 | |
469 | double matrix[9] = { |
486 | double matrix[9] = { |
470 | w / (double)new_width, 0, 0, |
487 | w / (double)new_width, 0, 0, |
471 | 0, h / (double)new_height, 0, |
488 | 0, h / (double)new_height, 0, |
472 | 0, 0, 1 |
489 | 0, 0, 1 |
473 | }; |
490 | }; |
474 | |
491 | |
|
|
492 | int old_repeat_mode = repeat; |
|
|
493 | repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems |
|
|
494 | |
475 | return transform (new_width, new_height, matrix); |
495 | rxvt_img *img = transform (new_width, new_height, matrix); |
|
|
496 | |
|
|
497 | repeat = old_repeat_mode; |
|
|
498 | img->repeat = repeat; |
|
|
499 | |
|
|
500 | return img; |
476 | } |
501 | } |
477 | |
502 | |
478 | rxvt_img * |
503 | rxvt_img * |
479 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
504 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
480 | { |
505 | { |
… | |
… | |
489 | |
514 | |
490 | return transform (new_width, new_height, matrix); |
515 | return transform (new_width, new_height, matrix); |
491 | } |
516 | } |
492 | |
517 | |
493 | rxvt_img * |
518 | rxvt_img * |
494 | rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg) |
519 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg) |
495 | { |
520 | { |
496 | if (new_format == format) |
521 | if (new_format == format) |
497 | return clone (); |
522 | return clone (); |
498 | |
523 | |
499 | rxvt_img *img = new rxvt_img (s, new_format, 0, 0, w, h); |
524 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
500 | img->alloc (); |
525 | img->alloc (); |
501 | |
526 | |
502 | Display *dpy = s->display->dpy; |
527 | Display *dpy = s->display->dpy; |
503 | Picture src = src_picture (); |
528 | Picture src = src_picture (); |
504 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
529 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
… | |
… | |
527 | rxvt_img * |
552 | rxvt_img * |
528 | rxvt_img::blend (rxvt_img *img, double factor) |
553 | rxvt_img::blend (rxvt_img *img, double factor) |
529 | { |
554 | { |
530 | rxvt_img *img2 = clone (); |
555 | rxvt_img *img2 = clone (); |
531 | Display *dpy = s->display->dpy; |
556 | Display *dpy = s->display->dpy; |
532 | Picture src = src_picture (); |
557 | Picture src = img->src_picture (); |
533 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
558 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
534 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
559 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
535 | |
560 | |
536 | XRenderColor mask_c; |
561 | XRenderColor mask_c; |
537 | |
562 | |