… | |
… | |
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 | |
|
|
19 | #if 0 |
|
|
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 | } |
|
|
24 | #endif |
|
|
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; |
… | |
… | |
57 | |
50 | |
58 | return img; |
51 | return img; |
59 | } |
52 | } |
60 | |
53 | |
61 | rxvt_img * |
54 | rxvt_img * |
|
|
55 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
|
|
56 | { |
|
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57 | Display *dpy = s->display->dpy; |
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58 | |
|
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59 | int width = gdk_pixbuf_get_width (pb); |
|
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60 | int height = gdk_pixbuf_get_height (pb); |
|
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61 | |
|
|
62 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
|
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63 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
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64 | |
|
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65 | // since we require rgb24/argb32 formats from xrender we assume |
|
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66 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
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67 | int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24; |
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68 | |
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69 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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70 | |
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71 | XImage xi; |
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72 | |
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73 | xi.width = width; |
|
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74 | xi.height = height; |
|
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75 | xi.xoffset = 0; |
|
|
76 | xi.format = ZPixmap; |
|
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77 | xi.byte_order = ImageByteOrder (dpy); |
|
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78 | xi.bitmap_unit = 0; //XY only, unused |
|
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79 | xi.bitmap_bit_order = 0; //XY only, unused |
|
|
80 | xi.bitmap_pad = BitmapPad (dpy); |
|
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81 | xi.depth = depth; |
|
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82 | xi.bytes_per_line = 0; |
|
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83 | xi.bits_per_pixel = 32; //Z only |
|
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84 | xi.red_mask = 0x00000000; //Z only, unused |
|
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85 | xi.green_mask = 0x00000000; //Z only, unused |
|
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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; |
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90 | |
|
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91 | if (!XInitImage (&xi)) |
|
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92 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
|
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93 | |
|
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94 | if (height > INT_MAX / xi.bytes_per_line) |
|
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95 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
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96 | |
|
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97 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
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98 | |
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99 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
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100 | |
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101 | assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb)); |
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102 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
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103 | char *line = xi.data; |
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104 | |
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105 | for (int y = 0; y < height; y++) |
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106 | { |
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107 | unsigned char *src = row; |
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108 | uint32_t *dst = (uint32_t *)line; |
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109 | |
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110 | if (depth == 24) |
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111 | for (int x = 0; x < width; x++) |
|
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112 | { |
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113 | uint8_t r = *src++; |
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114 | uint8_t g = *src++; |
|
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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 | |
|
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122 | *dst++ = v; |
|
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123 | } |
|
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124 | else |
|
|
125 | for (int x = 0; x < width; x++) |
|
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126 | { |
|
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127 | uint32_t v = *(uint32_t *)src; src += 4; |
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128 | |
|
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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; |
|
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138 | } |
|
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139 | |
|
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140 | row += rowstride; |
|
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141 | line += xi.bytes_per_line; |
|
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142 | } |
|
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143 | |
|
|
144 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height); |
|
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145 | img->alloc (); |
|
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146 | |
|
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147 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
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148 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
|
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149 | XFreeGC (dpy, gc); |
|
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150 | |
|
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151 | free (xi.data); |
|
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152 | |
|
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153 | return img; |
|
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154 | } |
|
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155 | |
|
|
156 | rxvt_img * |
62 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
157 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
63 | { |
158 | { |
64 | GError *err = 0; |
159 | GError *err = 0; |
65 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
160 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
66 | |
161 | |
67 | if (!pb) |
162 | if (!pb) |
68 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
163 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
69 | |
164 | |
70 | rxvt_img *img = new rxvt_img ( |
165 | 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, |
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74 | 0, |
|
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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); |
|
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80 | |
166 | |
81 | g_object_unref (pb); |
167 | g_object_unref (pb); |
82 | |
168 | |
83 | return img; |
169 | return img; |
84 | } |
170 | } |
… | |
… | |
209 | |
295 | |
210 | size = rv * 2 + 1; |
296 | size = rv * 2 + 1; |
211 | get_gaussian_kernel (rv, size, kernel, params); |
297 | get_gaussian_kernel (rv, size, kernel, params); |
212 | ::swap (params[0], params[1]); |
298 | ::swap (params[0], params[1]); |
213 | |
299 | |
214 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
300 | XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
215 | XRenderComposite (dpy, |
301 | XRenderComposite (dpy, |
216 | PictOpSrc, |
302 | PictOpSrc, |
217 | tmp, |
303 | tmp, |
218 | None, |
304 | None, |
219 | dst, |
305 | dst, |
… | |
… | |
288 | |
374 | |
289 | XRenderFreePicture (dpy, src); |
375 | XRenderFreePicture (dpy, src); |
290 | XRenderFreePicture (dpy, dst); |
376 | XRenderFreePicture (dpy, dst); |
291 | } |
377 | } |
292 | |
378 | |
293 | bool |
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294 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
|
|
295 | { |
|
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296 | Display *dpy = s->display->dpy; |
|
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297 | |
|
|
298 | if (s->visual->c_class != TrueColor) |
|
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299 | return false; |
|
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300 | |
|
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301 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
|
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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; |
|
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306 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
|
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307 | |
|
|
308 | int width_r = ecb_popcount32 (red_mask); |
|
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309 | int width_g = ecb_popcount32 (green_mask); |
|
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310 | int width_b = ecb_popcount32 (blue_mask); |
|
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311 | int width_a = ecb_popcount32 (alpha_mask); |
|
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312 | |
|
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313 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
|
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314 | return false; |
|
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315 | |
|
|
316 | int sh_r = ecb_ctz32 (red_mask); |
|
|
317 | int sh_g = ecb_ctz32 (green_mask); |
|
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318 | int sh_b = ecb_ctz32 (blue_mask); |
|
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319 | int sh_a = ecb_ctz32 (alpha_mask); |
|
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320 | |
|
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321 | if (width > 32767 || height > 32767) |
|
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322 | return false; |
|
|
323 | |
|
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324 | XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
|
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325 | width, height, 32, 0); |
|
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326 | if (!ximage) |
|
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327 | return false; |
|
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328 | |
|
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329 | if (height > INT_MAX / ximage->bytes_per_line |
|
|
330 | || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
|
|
331 | { |
|
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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 | |
|
|
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); |
|
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342 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
|
|
343 | char *line = ximage->data; |
|
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344 | |
|
|
345 | for (int y = 0; y < height; y++) |
|
|
346 | { |
|
|
347 | for (int x = 0; x < width; x++) |
|
|
348 | { |
|
|
349 | unsigned char *pixel = row + x * channels; |
|
|
350 | uint32_t value; |
|
|
351 | unsigned char r, g, b, a; |
|
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352 | |
|
|
353 | if (channels == 4) |
|
|
354 | { |
|
|
355 | a = pixel[3]; |
|
|
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 | } |
|
|
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); |
|
|
372 | |
|
|
373 | if (ximage->bits_per_pixel == 32) |
|
|
374 | ((uint32_t *)line)[x] = value; |
|
|
375 | else |
|
|
376 | XPutPixel (ximage, x, y, value); |
|
|
377 | } |
|
|
378 | |
|
|
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); |
|
|
384 | XDestroyImage (ximage); |
|
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385 | XFreeGC (dpy, gc); |
|
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386 | |
|
|
387 | return true; |
|
|
388 | } |
|
|
389 | |
|
|
390 | rxvt_img * |
379 | rxvt_img * |
391 | rxvt_img::clone () |
380 | rxvt_img::clone () |
392 | { |
381 | { |
393 | return new rxvt_img (*this); |
382 | return new rxvt_img (*this); |
|
|
383 | } |
|
|
384 | |
|
|
385 | static XRenderPictFormat * |
|
|
386 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
|
|
387 | { |
|
|
388 | if (format->direct.alphaMask) |
|
|
389 | return format; // already has alpha |
|
|
390 | |
|
|
391 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
|
|
392 | if (format->type == PictTypeDirect) |
|
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393 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
|
|
394 | if (f->direct.alphaMask |
|
|
395 | && f->type == PictTypeDirect |
|
|
396 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
|
|
397 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
|
|
398 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
|
|
399 | return f; |
|
|
400 | |
|
|
401 | // should be a very good fallback |
|
|
402 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
394 | } |
403 | } |
395 | |
404 | |
396 | rxvt_img * |
405 | rxvt_img * |
397 | rxvt_img::reify () |
406 | rxvt_img::reify () |
398 | { |
407 | { |
… | |
… | |
403 | |
412 | |
404 | bool alpha = !format->direct.alphaMask |
413 | bool alpha = !format->direct.alphaMask |
405 | && (x || y) |
414 | && (x || y) |
406 | && repeat == RepeatNone; |
415 | && repeat == RepeatNone; |
407 | |
416 | |
408 | rxvt_img *img = new rxvt_img (s, alpha ? XRenderFindStandardFormat (dpy, PictStandardARGB32) : format, 0, 0, w, h, repeat); |
417 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
409 | img->alloc (); |
418 | img->alloc (); |
410 | |
419 | |
411 | Picture src = src_picture (); |
420 | Picture src = src_picture (); |
412 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
421 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
413 | |
422 | |
|
|
423 | if (alpha) |
|
|
424 | { |
|
|
425 | XRenderColor rc = { 0, 0, 0, 0 }; |
|
|
426 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
|
|
427 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
|
|
428 | } |
|
|
429 | else |
414 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
430 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
415 | |
431 | |
416 | XRenderFreePicture (dpy, src); |
432 | XRenderFreePicture (dpy, src); |
417 | XRenderFreePicture (dpy, dst); |
433 | XRenderFreePicture (dpy, dst); |
418 | |
434 | |
419 | return img; |
435 | return img; |
420 | } |
436 | } |
… | |
… | |
454 | |
470 | |
455 | for (int i = 0; i < 3; ++i) |
471 | for (int i = 0; i < 3; ++i) |
456 | for (int j = 0; j < 3; ++j) |
472 | for (int j = 0; j < 3; ++j) |
457 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
473 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
458 | |
474 | |
|
|
475 | #if 0 |
459 | xfrm.matrix [0][2] += XDoubleToFixed (x);//TODO |
476 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
460 | xfrm.matrix [0][3] += XDoubleToFixed (y); |
477 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
|
|
478 | #endif |
461 | |
479 | |
462 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
480 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
463 | XRenderSetPictureTransform (dpy, src, &xfrm); |
481 | XRenderSetPictureTransform (dpy, src, &xfrm); |
464 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
482 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
465 | |
483 | |
… | |
… | |
470 | } |
488 | } |
471 | |
489 | |
472 | rxvt_img * |
490 | rxvt_img * |
473 | rxvt_img::scale (int new_width, int new_height) |
491 | rxvt_img::scale (int new_width, int new_height) |
474 | { |
492 | { |
|
|
493 | if (w == new_width && h == new_height) |
|
|
494 | return clone (); |
|
|
495 | |
475 | double matrix[9] = { |
496 | double matrix[9] = { |
476 | w / (double)new_width, 0, 0, |
497 | w / (double)new_width, 0, 0, |
477 | 0, h / (double)new_height, 0, |
498 | 0, h / (double)new_height, 0, |
478 | 0, 0, 1 |
499 | 0, 0, 1 |
479 | }; |
500 | }; |
480 | |
501 | |
|
|
502 | int old_repeat_mode = repeat; |
|
|
503 | repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems |
|
|
504 | |
481 | return transform (new_width, new_height, matrix); |
505 | rxvt_img *img = transform (new_width, new_height, matrix); |
|
|
506 | |
|
|
507 | repeat = old_repeat_mode; |
|
|
508 | img->repeat = repeat; |
|
|
509 | |
|
|
510 | return img; |
482 | } |
511 | } |
483 | |
512 | |
484 | rxvt_img * |
513 | rxvt_img * |
485 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
514 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
486 | { |
515 | { |
… | |
… | |
495 | |
524 | |
496 | return transform (new_width, new_height, matrix); |
525 | return transform (new_width, new_height, matrix); |
497 | } |
526 | } |
498 | |
527 | |
499 | rxvt_img * |
528 | rxvt_img * |
500 | rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg) |
529 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg) |
501 | { |
530 | { |
502 | if (new_format == format) |
531 | if (new_format == format) |
503 | return clone (); |
532 | return clone (); |
504 | |
533 | |
505 | rxvt_img *img = new rxvt_img (s, new_format, 0, 0, w, h, repeat); |
534 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
506 | img->alloc (); |
535 | img->alloc (); |
507 | |
536 | |
508 | Display *dpy = s->display->dpy; |
537 | Display *dpy = s->display->dpy; |
509 | Picture src = src_picture (); |
538 | Picture src = src_picture (); |
510 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
539 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |