| … | |
… | |
| 77 | |
77 | |
| 78 | xi.width = width; |
78 | xi.width = width; |
| 79 | xi.height = height; |
79 | xi.height = height; |
| 80 | xi.xoffset = 0; |
80 | xi.xoffset = 0; |
| 81 | xi.format = ZPixmap; |
81 | xi.format = ZPixmap; |
| 82 | xi.byte_order = MSBFirst; // maybe go for host byte order, because servers are usually local? |
82 | xi.byte_order = LSBFirst; // maybe go for host byte order, because servers are usually local? |
| 83 | xi.bitmap_unit = 32; |
83 | xi.bitmap_unit = 32; //XY only, unused |
| 84 | xi.bitmap_bit_order = MSBFirst; |
84 | xi.bitmap_bit_order = LSBFirst; //XY only, unused |
| 85 | xi.bitmap_pad = BitmapPad (dpy); |
85 | xi.bitmap_pad = BitmapPad (dpy); |
| 86 | xi.depth = depth; |
86 | xi.depth = depth; |
| 87 | xi.bytes_per_line = 0; |
87 | xi.bytes_per_line = 0; |
| 88 | xi.bits_per_pixel = 32; |
88 | xi.bits_per_pixel = 32; //Z only |
| 89 | xi.red_mask = 0x00ff0000; |
89 | xi.red_mask = 0x00000000; //Z only, unused |
| 90 | xi.green_mask = 0x0000ff00; |
90 | xi.green_mask = 0x00000000; //Z only, unused |
| 91 | xi.blue_mask = 0x000000ff; |
91 | xi.blue_mask = 0x00000000; //Z only, unused |
|
|
92 | xi.obdata = 0; // probably unused |
| 92 | |
93 | |
| 93 | if (!XInitImage (&xi)) |
94 | if (!XInitImage (&xi)) |
| 94 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
95 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
| 95 | |
96 | |
| 96 | if (height > INT_MAX / xi.bytes_per_line) |
97 | if (height > INT_MAX / xi.bytes_per_line) |
| … | |
… | |
| 104 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
105 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
| 105 | char *line = xi.data; |
106 | char *line = xi.data; |
| 106 | |
107 | |
| 107 | for (int y = 0; y < height; y++) |
108 | for (int y = 0; y < height; y++) |
| 108 | { |
109 | { |
| 109 | unsigned char r, g, b, a; |
|
|
| 110 | unsigned char *data = row; |
110 | unsigned char *src = row; |
|
|
111 | uint32_t *dst = (uint32_t *)line; |
| 111 | |
112 | |
| 112 | if (depth == 24) |
113 | if (depth == 24) |
| 113 | for (int x = 0; x < width; x++) |
114 | for (int x = 0; x < width; x++) |
| 114 | { |
115 | { |
| 115 | r = *data++; |
116 | uint8_t r = *src++; |
| 116 | g = *data++; |
117 | uint8_t g = *src++; |
| 117 | b = *data++; |
118 | uint8_t b = *src++; |
|
|
119 | |
|
|
120 | uint32_t v = r | (g << 8) | (b << 16); |
|
|
121 | |
|
|
122 | if (ecb_big_endian ()) |
|
|
123 | v = ecb_bswap32 (v); |
|
|
124 | |
| 118 | *line++ = 0; |
125 | *dst++ = v; |
| 119 | *line++ = r; |
|
|
| 120 | *line++ = g; |
|
|
| 121 | *line++ = b; |
|
|
| 122 | } |
126 | } |
| 123 | else |
127 | else |
| 124 | for (int x = 0; x < width; x++) |
128 | for (int x = 0; x < width; x++) |
| 125 | { |
129 | { |
| 126 | uint32_t v = *(uint32_t *)data; data += 4; |
130 | uint32_t v = *(uint32_t *)src; src += 4; |
| 127 | v = ecb_big_endian () ? ecb_rotr32 (v, 8) : ecb_rotl32 (v, 8); |
131 | |
| 128 | *(uint32_t *)line = x; line += 4; |
132 | if (ecb_little_endian ()) |
|
|
133 | v = ecb_bswap32 (v); |
|
|
134 | |
|
|
135 | v = ecb_rotr32 (v, 8); |
|
|
136 | |
|
|
137 | *dst++ = v; |
| 129 | } |
138 | } |
| 130 | |
139 | |
| 131 | row += rowstride; |
140 | row += rowstride; |
|
|
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 | |
