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13 | rxvt_img::rxvt_img (const rxvt_img &img) |
13 | rxvt_img::rxvt_img (const rxvt_img &img) |
14 | : 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) |
14 | : 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) |
15 | { |
15 | { |
16 | ++ref->cnt; |
16 | ++ref->cnt; |
17 | } |
17 | } |
18 | |
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19 | #if 0 |
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20 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
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21 | : s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap) |
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22 | { |
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23 | } |
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24 | #endif |
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25 | |
18 | |
26 | rxvt_img * |
19 | rxvt_img * |
27 | rxvt_img::new_from_root (rxvt_screen *s) |
20 | rxvt_img::new_from_root (rxvt_screen *s) |
28 | { |
21 | { |
29 | Display *dpy = s->display->dpy; |
22 | Display *dpy = s->display->dpy; |
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71 | |
64 | |
72 | // since we require rgb24/argb32 formats from xrender we assume |
65 | // 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 |
66 | // 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; |
67 | int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24; |
75 | |
68 | |
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69 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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70 | |
76 | XImage xi; |
71 | XImage xi; |
77 | |
72 | |
78 | xi.width = width; |
73 | xi.width = width; |
79 | xi.height = height; |
74 | xi.height = height; |
80 | xi.xoffset = 0; |
75 | xi.xoffset = 0; |
81 | xi.format = ZPixmap; |
76 | xi.format = ZPixmap; |
82 | xi.byte_order = MSBFirst; // maybe go for host byte order, because servers are usually local? |
77 | xi.byte_order = ImageByteOrder (dpy); |
83 | xi.bitmap_unit = 32; |
78 | xi.bitmap_unit = 0; //XY only, unused |
84 | xi.bitmap_bit_order = MSBFirst; |
79 | xi.bitmap_bit_order = 0; //XY only, unused |
85 | xi.bitmap_pad = BitmapPad (dpy); |
80 | xi.bitmap_pad = BitmapPad (dpy); |
86 | xi.depth = depth; |
81 | xi.depth = depth; |
87 | xi.bytes_per_line = 0; |
82 | xi.bytes_per_line = 0; |
88 | xi.bits_per_pixel = 32; |
83 | xi.bits_per_pixel = 32; //Z only |
89 | xi.red_mask = 0x00ff0000; |
84 | xi.red_mask = 0x00000000; //Z only, unused |
90 | xi.green_mask = 0x0000ff00; |
85 | xi.green_mask = 0x00000000; //Z only, unused |
91 | xi.blue_mask = 0x000000ff; |
86 | xi.blue_mask = 0x00000000; //Z only, unused |
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87 | xi.obdata = 0; // probably unused |
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88 | |
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89 | bool byte_order_mismatch = byte_order != xi.byte_order; |
92 | |
90 | |
93 | if (!XInitImage (&xi)) |
91 | if (!XInitImage (&xi)) |
94 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
92 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
95 | |
93 | |
96 | if (height > INT_MAX / xi.bytes_per_line) |
94 | if (height > INT_MAX / xi.bytes_per_line) |
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104 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
102 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
105 | char *line = xi.data; |
103 | char *line = xi.data; |
106 | |
104 | |
107 | for (int y = 0; y < height; y++) |
105 | for (int y = 0; y < height; y++) |
108 | { |
106 | { |
109 | unsigned char r, g, b, a; |
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110 | unsigned char *data = row; |
107 | unsigned char *src = row; |
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108 | uint32_t *dst = (uint32_t *)line; |
111 | |
109 | |
112 | if (depth == 24) |
110 | if (depth == 24) |
113 | for (int x = 0; x < width; x++) |
111 | for (int x = 0; x < width; x++) |
114 | { |
112 | { |
115 | r = *data++; |
113 | uint8_t r = *src++; |
116 | g = *data++; |
114 | uint8_t g = *src++; |
117 | b = *data++; |
115 | uint8_t b = *src++; |
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116 | |
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117 | uint32_t v = (r << 16) | (g << 8) | b; |
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118 | |
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119 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
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120 | v = ecb_bswap32 (v); |
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121 | |
118 | *line++ = 0; |
122 | *dst++ = v; |
119 | *line++ = r; |
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120 | *line++ = g; |
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121 | *line++ = b; |
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122 | } |
123 | } |
123 | else |
124 | else |
124 | for (int x = 0; x < width; x++) |
125 | for (int x = 0; x < width; x++) |
125 | { |
126 | { |
126 | uint32_t v = *(uint32_t *)data; data += 4; |
127 | uint32_t v = *(uint32_t *)src; src += 4; |
127 | v = ecb_big_endian () ? ecb_rotr32 (v, 8) : ecb_rotl32 (v, 8); |
128 | |
128 | *(uint32_t *)line = x; line += 4; |
129 | if (ecb_big_endian ()) |
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130 | v = ecb_bswap32 (v); |
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131 | |
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132 | v = ecb_rotl32 (v, 8); // abgr to bgra |
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133 | |
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134 | if (!byte_order_mismatch) |
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135 | v = ecb_bswap32 (v); |
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136 | |
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137 | *dst++ = v; |
129 | } |
138 | } |
130 | |
139 | |
131 | row += rowstride; |
140 | row += rowstride; |
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141 | line += xi.bytes_per_line; |
132 | } |
142 | } |
133 | |
143 | |
134 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height); |
144 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height); |
135 | img->alloc (); |
145 | img->alloc (); |
136 | |
146 | |
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255 | double *kernel = (double *)malloc (size * sizeof (double)); |
265 | double *kernel = (double *)malloc (size * sizeof (double)); |
256 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
266 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
257 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
267 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
258 | img->alloc (); |
268 | img->alloc (); |
259 | |
269 | |
260 | Picture src = src_picture (); |
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261 | |
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262 | XRenderPictureAttributes pa; |
270 | XRenderPictureAttributes pa; |
263 | pa.repeat = RepeatPad; |
271 | pa.repeat = RepeatPad; |
264 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
272 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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273 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
265 | |
274 | |
266 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
275 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
267 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
276 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
268 | XFreePixmap (dpy, tmp_pm); |
277 | XFreePixmap (dpy, tmp_pm); |
269 | |
278 | |
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285 | |
294 | |
286 | size = rv * 2 + 1; |
295 | size = rv * 2 + 1; |
287 | get_gaussian_kernel (rv, size, kernel, params); |
296 | get_gaussian_kernel (rv, size, kernel, params); |
288 | ::swap (params[0], params[1]); |
297 | ::swap (params[0], params[1]); |
289 | |
298 | |
290 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
299 | XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
291 | XRenderComposite (dpy, |
300 | XRenderComposite (dpy, |
292 | PictOpSrc, |
301 | PictOpSrc, |
293 | tmp, |
302 | tmp, |
294 | None, |
303 | None, |
295 | dst, |
304 | dst, |
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322 | |
331 | |
323 | return mask; |
332 | return mask; |
324 | } |
333 | } |
325 | |
334 | |
326 | void |
335 | void |
327 | rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
336 | rxvt_img::brightness (uint16_t r, uint16_t g, uint16_t b, uint16_t a) |
328 | { |
337 | { |
329 | Display *dpy = s->display->dpy; |
338 | Display *dpy = s->display->dpy; |
330 | Picture src = create_xrender_mask (dpy, pm, True); |
339 | Picture src = create_xrender_mask (dpy, pm, True); |
331 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
340 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
332 | |
341 | |
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342 | XRenderFreePicture (dpy, src); |
351 | XRenderFreePicture (dpy, src); |
343 | XRenderFreePicture (dpy, dst); |
352 | XRenderFreePicture (dpy, dst); |
344 | } |
353 | } |
345 | |
354 | |
346 | void |
355 | void |
347 | rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
356 | rxvt_img::contrast (uint16_t r, uint16_t g, uint16_t b, uint16_t a) |
348 | { |
357 | { |
349 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
358 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
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359 | { |
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360 | rxvt_warn ("rxvt_img::contrast operation not supported on this display, RENDER extension too old.\n"); |
350 | return; |
361 | return; |
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362 | } |
351 | |
363 | |
352 | Display *dpy = s->display->dpy; |
364 | Display *dpy = s->display->dpy; |
353 | Picture src = create_xrender_mask (dpy, pm, True); |
365 | Picture src = create_xrender_mask (dpy, pm, True); |
354 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
366 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
355 | |
367 | |
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398 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
410 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
399 | return clone (); |
411 | return clone (); |
400 | |
412 | |
401 | Display *dpy = s->display->dpy; |
413 | Display *dpy = s->display->dpy; |
402 | |
414 | |
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415 | // add an alpha channel if... |
403 | bool alpha = !format->direct.alphaMask |
416 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
404 | && (x || y) |
417 | && (x || y) // we need one because of non-zero offset |
405 | && repeat == RepeatNone; |
418 | && repeat == RepeatNone; // and we have no good pixels to fill with |
406 | |
419 | |
407 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
420 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
408 | img->alloc (); |
421 | img->alloc (); |
409 | |
422 | |
410 | Picture src = src_picture (); |
423 | Picture src = src_picture (); |