| … | |
… | |
| 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; |
| … | |
… | |
| 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 = LSBFirst; // 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 = LSBFirst; |
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 = 0x000000ff; |
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 = 0x00ff0000; |
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) |
| … | |
… | |
| 114 | { |
112 | { |
| 115 | uint8_t r = *src++; |
113 | uint8_t r = *src++; |
| 116 | uint8_t g = *src++; |
114 | uint8_t g = *src++; |
| 117 | uint8_t b = *src++; |
115 | uint8_t b = *src++; |
| 118 | |
116 | |
| 119 | uint32_t v = r | (g << 8) | (b << 16); |
117 | uint32_t v = (r << 16) | (g << 8) | b; |
| 120 | |
118 | |
| 121 | if (ecb_big_endian ()) |
119 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
| 122 | v = ecb_bswap32 (v); |
120 | v = ecb_bswap32 (v); |
| 123 | |
121 | |
| 124 | *dst++ = x; |
122 | *dst++ = v; |
| 125 | } |
123 | } |
| 126 | else |
124 | else |
| 127 | for (int x = 0; x < width; x++) |
125 | for (int x = 0; x < width; x++) |
| 128 | { |
126 | { |
| 129 | uint32_t v = *(uint32_t *)src; src += 4; |
127 | uint32_t v = *(uint32_t *)src; src += 4; |
| 130 | v = ecb_big_endian () ? ecb_rotr32 (v, 8) : ecb_rotl32 (v, 8); |
128 | |
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129 | if (ecb_big_endian ()) |
| 131 | *dst++ = ecb_bswap32 (v); |
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; |
| 132 | } |
138 | } |
| 133 | |
139 | |
| 134 | row += rowstride; |
140 | row += rowstride; |
| 135 | line += xi.bytes_per_line; |
141 | line += xi.bytes_per_line; |
| 136 | } |
142 | } |
| … | |
… | |
| 289 | |
295 | |
| 290 | size = rv * 2 + 1; |
296 | size = rv * 2 + 1; |
| 291 | get_gaussian_kernel (rv, size, kernel, params); |
297 | get_gaussian_kernel (rv, size, kernel, params); |
| 292 | ::swap (params[0], params[1]); |
298 | ::swap (params[0], params[1]); |
| 293 | |
299 | |
| 294 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
300 | XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
| 295 | XRenderComposite (dpy, |
301 | XRenderComposite (dpy, |
| 296 | PictOpSrc, |
302 | PictOpSrc, |
| 297 | tmp, |
303 | tmp, |
| 298 | None, |
304 | None, |
| 299 | dst, |
305 | dst, |
