| … | |
… | |
| 63 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
63 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
| 64 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
64 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
| 65 | |
65 | |
| 66 | // since we require rgb24/argb32 formats from xrender we assume |
66 | // since we require rgb24/argb32 formats from xrender we assume |
| 67 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
67 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
| 68 | int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24; |
|
|
| 69 | |
68 | |
| 70 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
69 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
| 71 | |
70 | |
| 72 | XImage xi; |
71 | XImage xi; |
| 73 | |
72 | |
| … | |
… | |
| 77 | xi.format = ZPixmap; |
76 | xi.format = ZPixmap; |
| 78 | xi.byte_order = ImageByteOrder (dpy); |
77 | xi.byte_order = ImageByteOrder (dpy); |
| 79 | xi.bitmap_unit = 0; //XY only, unused |
78 | xi.bitmap_unit = 0; //XY only, unused |
| 80 | xi.bitmap_bit_order = 0; //XY only, unused |
79 | xi.bitmap_bit_order = 0; //XY only, unused |
| 81 | xi.bitmap_pad = BitmapPad (dpy); |
80 | xi.bitmap_pad = BitmapPad (dpy); |
| 82 | xi.depth = depth; |
81 | xi.depth = 32; |
| 83 | xi.bytes_per_line = 0; |
82 | xi.bytes_per_line = 0; |
| 84 | xi.bits_per_pixel = 32; //Z only |
83 | xi.bits_per_pixel = 32; //Z only |
| 85 | xi.red_mask = 0x00000000; //Z only, unused |
84 | xi.red_mask = 0x00000000; //Z only, unused |
| 86 | xi.green_mask = 0x00000000; //Z only, unused |
85 | xi.green_mask = 0x00000000; //Z only, unused |
| 87 | xi.blue_mask = 0x00000000; //Z only, unused |
86 | xi.blue_mask = 0x00000000; //Z only, unused |
| … | |
… | |
| 96 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
95 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
| 97 | |
96 | |
| 98 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
97 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
| 99 | |
98 | |
| 100 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
99 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
| 101 | |
100 | bool pb_has_alpha = gdk_pixbuf_get_has_alpha (pb); |
| 102 | assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb)); |
|
|
| 103 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
101 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
|
|
102 | |
| 104 | char *line = xi.data; |
103 | char *line = xi.data; |
| 105 | |
104 | |
| 106 | for (int y = 0; y < height; y++) |
105 | for (int y = 0; y < height; y++) |
| 107 | { |
106 | { |
| 108 | unsigned char *src = row; |
107 | unsigned char *src = row; |
| 109 | uint32_t *dst = (uint32_t *)line; |
108 | uint32_t *dst = (uint32_t *)line; |
| 110 | |
109 | |
| 111 | if (depth == 24) |
110 | if (!pb_has_alpha) |
| 112 | for (int x = 0; x < width; x++) |
111 | for (int x = 0; x < width; x++) |
| 113 | { |
112 | { |
| 114 | uint8_t r = *src++; |
113 | uint8_t r = *src++; |
| 115 | uint8_t g = *src++; |
114 | uint8_t g = *src++; |
| 116 | uint8_t b = *src++; |
115 | uint8_t b = *src++; |
| 117 | |
116 | |
| 118 | uint32_t v = (r << 16) | (g << 8) | b; |
117 | uint32_t v = (255 << 24) | (r << 16) | (g << 8) | b; |
| 119 | |
118 | |
| 120 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
119 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
| 121 | v = ecb_bswap32 (v); |
120 | v = ecb_bswap32 (v); |
| 122 | |
121 | |
| 123 | *dst++ = v; |
122 | *dst++ = v; |
| … | |
… | |
| 140 | |
139 | |
| 141 | row += rowstride; |
140 | row += rowstride; |
| 142 | line += xi.bytes_per_line; |
141 | line += xi.bytes_per_line; |
| 143 | } |
142 | } |
| 144 | |
143 | |
| 145 | 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, PictStandardARGB32), 0, 0, width, height); |
| 146 | img->alloc (); |
145 | img->alloc (); |
| 147 | |
146 | |
| 148 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
147 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
| 149 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
148 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
| 150 | XFreeGC (dpy, gc); |
149 | XFreeGC (dpy, gc); |
