… | |
… | |
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) |
|
|
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; |
… | |
… | |
56 | img->ref->ours = false; |
49 | img->ref->ours = false; |
57 | |
50 | |
58 | return img; |
51 | return img; |
59 | } |
52 | } |
60 | |
53 | |
|
|
54 | # if HAVE_PIXBUF |
|
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55 | |
|
|
56 | rxvt_img * |
|
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57 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
|
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58 | { |
|
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59 | Display *dpy = s->display->dpy; |
|
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60 | |
|
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61 | int width = gdk_pixbuf_get_width (pb); |
|
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62 | int height = gdk_pixbuf_get_height (pb); |
|
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63 | |
|
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64 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
|
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65 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
|
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66 | |
|
|
67 | // since we require rgb24/argb32 formats from xrender we assume |
|
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68 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
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69 | |
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70 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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71 | |
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72 | XImage xi; |
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73 | |
|
|
74 | xi.width = width; |
|
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75 | xi.height = height; |
|
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76 | xi.xoffset = 0; |
|
|
77 | xi.format = ZPixmap; |
|
|
78 | xi.byte_order = ImageByteOrder (dpy); |
|
|
79 | xi.bitmap_unit = 0; //XY only, unused |
|
|
80 | xi.bitmap_bit_order = 0; //XY only, unused |
|
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81 | xi.bitmap_pad = BitmapPad (dpy); |
|
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82 | xi.depth = 32; |
|
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83 | xi.bytes_per_line = 0; |
|
|
84 | xi.bits_per_pixel = 32; //Z only |
|
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85 | xi.red_mask = 0x00000000; //Z only, unused |
|
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86 | xi.green_mask = 0x00000000; //Z only, unused |
|
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87 | xi.blue_mask = 0x00000000; //Z only, unused |
|
|
88 | xi.obdata = 0; // probably unused |
|
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89 | |
|
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90 | bool byte_order_mismatch = byte_order != xi.byte_order; |
|
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91 | |
|
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92 | if (!XInitImage (&xi)) |
|
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93 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
|
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94 | |
|
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95 | if (height > INT_MAX / xi.bytes_per_line) |
|
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96 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
|
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97 | |
|
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98 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
|
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99 | |
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100 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
|
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101 | bool pb_has_alpha = gdk_pixbuf_get_has_alpha (pb); |
|
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102 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
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103 | |
|
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104 | char *line = xi.data; |
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105 | |
|
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106 | for (int y = 0; y < height; y++) |
|
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107 | { |
|
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108 | unsigned char *src = row; |
|
|
109 | uint32_t *dst = (uint32_t *)line; |
|
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110 | |
|
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111 | if (!pb_has_alpha) |
|
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112 | for (int x = 0; x < width; x++) |
|
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113 | { |
|
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114 | uint8_t r = *src++; |
|
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115 | uint8_t g = *src++; |
|
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116 | uint8_t b = *src++; |
|
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117 | |
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118 | uint32_t v = (255 << 24) | (r << 16) | (g << 8) | b; |
|
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119 | |
|
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120 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
|
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121 | v = ecb_bswap32 (v); |
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122 | |
|
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123 | *dst++ = v; |
|
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124 | } |
|
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125 | else |
|
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126 | for (int x = 0; x < width; x++) |
|
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127 | { |
|
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128 | uint32_t v = *(uint32_t *)src; src += 4; |
|
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129 | |
|
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130 | if (ecb_big_endian ()) |
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131 | v = ecb_bswap32 (v); |
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132 | |
|
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133 | v = ecb_rotl32 (v, 8); // abgr to bgra |
|
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134 | |
|
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135 | if (!byte_order_mismatch) |
|
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136 | v = ecb_bswap32 (v); |
|
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137 | |
|
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138 | *dst++ = v; |
|
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139 | } |
|
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140 | |
|
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141 | row += rowstride; |
|
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142 | line += xi.bytes_per_line; |
|
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143 | } |
|
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144 | |
|
|
145 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, PictStandardARGB32), 0, 0, width, height); |
|
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146 | img->alloc (); |
|
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147 | |
|
|
148 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
|
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149 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
|
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150 | XFreeGC (dpy, gc); |
|
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151 | |
|
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152 | free (xi.data); |
|
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153 | |
|
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154 | return img; |
|
|
155 | } |
|
|
156 | |
61 | rxvt_img * |
157 | rxvt_img * |
62 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
158 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
63 | { |
159 | { |
64 | GError *err = 0; |
160 | GError *err = 0; |
65 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
161 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
66 | |
162 | |
67 | if (!pb) |
163 | if (!pb) |
68 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
164 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
69 | |
165 | |
70 | rxvt_img *img = new rxvt_img ( |
166 | rxvt_img *img = new_from_pixbuf (s, pb); |
71 | s, |
|
|
72 | XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
|
|
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) |
|
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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 | |
167 | |
81 | g_object_unref (pb); |
168 | g_object_unref (pb); |
82 | |
169 | |
83 | return img; |
170 | return img; |
84 | } |
171 | } |
|
|
172 | |
|
|
173 | # endif |
85 | |
174 | |
86 | void |
175 | void |
87 | rxvt_img::destroy () |
176 | rxvt_img::destroy () |
88 | { |
177 | { |
89 | if (--ref->cnt) |
178 | if (--ref->cnt) |
… | |
… | |
123 | rxvt_img::unshare () |
212 | rxvt_img::unshare () |
124 | { |
213 | { |
125 | if (ref->cnt == 1 && ref->ours) |
214 | if (ref->cnt == 1 && ref->ours) |
126 | return; |
215 | return; |
127 | |
216 | |
128 | //TODO: maybe should reify instead |
|
|
129 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
217 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
130 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
218 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
131 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
219 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
132 | XFreeGC (s->display->dpy, gc); |
220 | XFreeGC (s->display->dpy, gc); |
133 | |
221 | |
… | |
… | |
138 | } |
226 | } |
139 | |
227 | |
140 | void |
228 | void |
141 | rxvt_img::fill (const rxvt_color &c) |
229 | rxvt_img::fill (const rxvt_color &c) |
142 | { |
230 | { |
143 | XGCValues gcv; |
231 | rgba cc; |
144 | gcv.foreground = c; |
232 | c.get (cc); |
145 | GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
233 | XRenderColor rc = { cc.r, cc.g, cc.b, cc.a }; |
146 | XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
234 | |
147 | XFreeGC (s->display->dpy, gc); |
235 | Display *dpy = s->display->dpy; |
|
|
236 | Picture src = src_picture (); |
|
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237 | XRenderFillRectangle (dpy, PictOpSrc, src, &rc, 0, 0, w, h); |
|
|
238 | XRenderFreePicture (dpy, src); |
148 | } |
239 | } |
149 | |
240 | |
150 | static void |
241 | static void |
151 | get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
242 | get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
152 | { |
243 | { |
… | |
… | |
179 | double *kernel = (double *)malloc (size * sizeof (double)); |
270 | double *kernel = (double *)malloc (size * sizeof (double)); |
180 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
271 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
181 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
272 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
182 | img->alloc (); |
273 | img->alloc (); |
183 | |
274 | |
184 | Picture src = src_picture (); |
|
|
185 | |
|
|
186 | XRenderPictureAttributes pa; |
275 | XRenderPictureAttributes pa; |
187 | pa.repeat = RepeatPad; |
276 | pa.repeat = RepeatPad; |
188 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
277 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
|
|
278 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
189 | |
279 | |
190 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
280 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
191 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
281 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
192 | XFreePixmap (dpy, tmp_pm); |
282 | XFreePixmap (dpy, tmp_pm); |
193 | |
283 | |
… | |
… | |
209 | |
299 | |
210 | size = rv * 2 + 1; |
300 | size = rv * 2 + 1; |
211 | get_gaussian_kernel (rv, size, kernel, params); |
301 | get_gaussian_kernel (rv, size, kernel, params); |
212 | ::swap (params[0], params[1]); |
302 | ::swap (params[0], params[1]); |
213 | |
303 | |
214 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
304 | XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
215 | XRenderComposite (dpy, |
305 | XRenderComposite (dpy, |
216 | PictOpSrc, |
306 | PictOpSrc, |
217 | tmp, |
307 | tmp, |
218 | None, |
308 | None, |
219 | dst, |
309 | dst, |
… | |
… | |
223 | w, h); |
313 | w, h); |
224 | } |
314 | } |
225 | |
315 | |
226 | free (kernel); |
316 | free (kernel); |
227 | free (params); |
317 | free (params); |
|
|
318 | |
228 | XRenderFreePicture (dpy, src); |
319 | XRenderFreePicture (dpy, src); |
229 | XRenderFreePicture (dpy, dst); |
320 | XRenderFreePicture (dpy, dst); |
230 | XRenderFreePicture (dpy, tmp); |
321 | XRenderFreePicture (dpy, tmp); |
231 | |
322 | |
232 | return img; |
323 | return img; |
233 | } |
324 | } |
234 | |
325 | |
235 | static Picture |
326 | static Picture |
236 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
327 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha) |
237 | { |
328 | { |
238 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
329 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
239 | |
330 | |
240 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
331 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
241 | XRenderPictureAttributes pa; |
332 | XRenderPictureAttributes pa; |
242 | pa.repeat = True; |
333 | pa.repeat = RepeatNormal; |
|
|
334 | pa.component_alpha = component_alpha; |
243 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
335 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa); |
244 | |
336 | |
245 | XFreePixmap (dpy, pixmap); |
337 | XFreePixmap (dpy, pixmap); |
246 | |
338 | |
247 | return mask; |
339 | return mask; |
248 | } |
340 | } |
249 | |
341 | |
|
|
342 | static void |
|
|
343 | extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
|
|
344 | { |
|
|
345 | int32_t x = clamp (c, cl0, cl1); |
|
|
346 | c -= x; |
|
|
347 | xc = x; |
|
|
348 | } |
|
|
349 | |
|
|
350 | static bool |
|
|
351 | extract (int32_t cl0, int32_t cl1, int32_t &r, int32_t &g, int32_t &b, int32_t &a, unsigned short &xr, unsigned short &xg, unsigned short &xb, unsigned short &xa) |
|
|
352 | { |
|
|
353 | extract (cl0, cl1, r, xr); |
|
|
354 | extract (cl0, cl1, g, xg); |
|
|
355 | extract (cl0, cl1, b, xb); |
|
|
356 | extract (cl0, cl1, a, xa); |
|
|
357 | |
|
|
358 | return xr | xg | xb | xa; |
|
|
359 | } |
|
|
360 | |
250 | void |
361 | void |
251 | rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
362 | rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
252 | { |
363 | { |
|
|
364 | unshare (); |
|
|
365 | |
253 | Display *dpy = s->display->dpy; |
366 | Display *dpy = s->display->dpy; |
254 | Picture src = create_xrender_mask (dpy, pm, True); |
|
|
255 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
367 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
256 | |
368 | |
|
|
369 | // loop should not be needed for brightness, as only -1..1 makes sense |
|
|
370 | //while (r | g | b | a) |
|
|
371 | { |
|
|
372 | unsigned short xr, xg, xb, xa; |
257 | XRenderColor mask_c; |
373 | XRenderColor mask_c; |
258 | mask_c.red = r; |
374 | |
259 | mask_c.green = g; |
375 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
260 | mask_c.blue = b; |
376 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
261 | mask_c.alpha = a; |
377 | |
|
|
378 | if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
|
|
379 | { |
|
|
380 | XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
|
|
381 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
|
|
382 | mask_c.red = -mask_c.red; //TODO: verify that doing clamp, assign, and negation does the right thing |
|
|
383 | mask_c.green = -mask_c.green; |
|
|
384 | mask_c.blue = -mask_c.blue; |
|
|
385 | mask_c.alpha = -mask_c.alpha; |
|
|
386 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
|
|
387 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
|
|
388 | } |
|
|
389 | } |
|
|
390 | |
|
|
391 | XRenderFreePicture (dpy, dst); |
|
|
392 | } |
|
|
393 | |
|
|
394 | void |
|
|
395 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
|
|
396 | { |
|
|
397 | if (r < 0 || g < 0 || b < 0 || a < 0) |
|
|
398 | rxvt_fatal ("rxvt_img::contrast does not support negative values.\n"); |
|
|
399 | |
|
|
400 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
|
|
401 | img->alloc (); |
|
|
402 | |
|
|
403 | { |
|
|
404 | rxvt_color empty; |
|
|
405 | empty.set (s, rgba (0, 0, 0, 0)); |
|
|
406 | img->fill (empty); |
|
|
407 | } |
|
|
408 | |
|
|
409 | // premultiply (yeah, these are not exact, sue me or fix it) |
|
|
410 | r = (r * (a >> 8)) >> 8; |
|
|
411 | g = (g * (a >> 8)) >> 8; |
|
|
412 | b = (b * (a >> 8)) >> 8; |
|
|
413 | |
|
|
414 | Display *dpy = s->display->dpy; |
|
|
415 | |
|
|
416 | Picture src = src_picture (); |
|
|
417 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
|
|
418 | Picture mul = create_xrender_mask (dpy, pm, True, True); |
|
|
419 | |
|
|
420 | //TODO: this operator does not yet implement some useful contrast |
|
|
421 | while (r | g | b | a) |
|
|
422 | { |
|
|
423 | unsigned short xr, xg, xb, xa; |
|
|
424 | XRenderColor mask_c; |
|
|
425 | |
|
|
426 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
|
|
427 | { |
262 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
428 | XRenderFillRectangle (dpy, PictOpSrc, mul, &mask_c, 0, 0, 1, 1); |
263 | |
|
|
264 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
429 | XRenderComposite (dpy, PictOpAdd, src, mul, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
430 | } |
|
|
431 | } |
265 | |
432 | |
|
|
433 | XRenderFreePicture (dpy, mul); |
|
|
434 | XRenderFreePicture (dpy, dst); |
266 | XRenderFreePicture (dpy, src); |
435 | XRenderFreePicture (dpy, src); |
267 | XRenderFreePicture (dpy, dst); |
|
|
268 | } |
|
|
269 | |
436 | |
270 | void |
437 | ::swap (img->ref, ref); |
271 | rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
438 | ::swap (img->pm , pm ); |
272 | { |
|
|
273 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
|
|
274 | return; |
|
|
275 | |
439 | |
276 | Display *dpy = s->display->dpy; |
440 | delete img; |
277 | Picture src = create_xrender_mask (dpy, pm, True); |
|
|
278 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
|
|
279 | |
|
|
280 | XRenderColor mask_c; |
|
|
281 | mask_c.red = r; |
|
|
282 | mask_c.green = g; |
|
|
283 | mask_c.blue = b; |
|
|
284 | mask_c.alpha = a; |
|
|
285 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
|
|
286 | |
|
|
287 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
288 | |
|
|
289 | XRenderFreePicture (dpy, src); |
|
|
290 | XRenderFreePicture (dpy, dst); |
|
|
291 | } |
|
|
292 | |
|
|
293 | bool |
|
|
294 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
|
|
295 | { |
|
|
296 | Display *dpy = s->display->dpy; |
|
|
297 | |
|
|
298 | if (s->visual->c_class != TrueColor) |
|
|
299 | return false; |
|
|
300 | |
|
|
301 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
|
|
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; |
|
|
306 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
|
|
307 | |
|
|
308 | int width_r = ecb_popcount32 (red_mask); |
|
|
309 | int width_g = ecb_popcount32 (green_mask); |
|
|
310 | int width_b = ecb_popcount32 (blue_mask); |
|
|
311 | int width_a = ecb_popcount32 (alpha_mask); |
|
|
312 | |
|
|
313 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
|
|
314 | return false; |
|
|
315 | |
|
|
316 | int sh_r = ecb_ctz32 (red_mask); |
|
|
317 | int sh_g = ecb_ctz32 (green_mask); |
|
|
318 | int sh_b = ecb_ctz32 (blue_mask); |
|
|
319 | int sh_a = ecb_ctz32 (alpha_mask); |
|
|
320 | |
|
|
321 | if (width > 32767 || height > 32767) |
|
|
322 | return false; |
|
|
323 | |
|
|
324 | XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
|
|
325 | width, height, 32, 0); |
|
|
326 | if (!ximage) |
|
|
327 | return false; |
|
|
328 | |
|
|
329 | if (height > INT_MAX / ximage->bytes_per_line |
|
|
330 | || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
|
|
331 | { |
|
|
332 | XDestroyImage (ximage); |
|
|
333 | return false; |
|
|
334 | } |
|
|
335 | |
|
|
336 | GC gc = XCreateGC (dpy, pm, 0, 0); |
|
|
337 | |
|
|
338 | ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
|
|
339 | |
|
|
340 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
|
|
341 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
|
|
342 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
|
|
343 | char *line = ximage->data; |
|
|
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; |
|
|
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 | |
|
|
383 | XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
|
|
384 | XDestroyImage (ximage); |
|
|
385 | XFreeGC (dpy, gc); |
|
|
386 | |
|
|
387 | return true; |
|
|
388 | } |
441 | } |
389 | |
442 | |
390 | rxvt_img * |
443 | rxvt_img * |
391 | rxvt_img::clone () |
444 | rxvt_img::clone () |
392 | { |
445 | { |
393 | return new rxvt_img (*this); |
446 | return new rxvt_img (*this); |
|
|
447 | } |
|
|
448 | |
|
|
449 | static XRenderPictFormat * |
|
|
450 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
|
|
451 | { |
|
|
452 | if (format->direct.alphaMask) |
|
|
453 | return format; // already has alpha |
|
|
454 | |
|
|
455 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
|
|
456 | if (format->type == PictTypeDirect) |
|
|
457 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
|
|
458 | if (f->direct.alphaMask |
|
|
459 | && f->type == PictTypeDirect |
|
|
460 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
|
|
461 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
|
|
462 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
|
|
463 | return f; |
|
|
464 | |
|
|
465 | // should be a very good fallback |
|
|
466 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
394 | } |
467 | } |
395 | |
468 | |
396 | rxvt_img * |
469 | rxvt_img * |
397 | rxvt_img::reify () |
470 | rxvt_img::reify () |
398 | { |
471 | { |
399 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
472 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
400 | return clone (); |
473 | return clone (); |
401 | |
474 | |
402 | Display *dpy = s->display->dpy; |
475 | Display *dpy = s->display->dpy; |
403 | |
476 | |
|
|
477 | // add an alpha channel if... |
404 | bool alpha = !format->direct.alphaMask |
478 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
405 | && (x || y) |
479 | && (x || y) // we need one because of non-zero offset |
406 | && repeat == RepeatNone; |
480 | && repeat == RepeatNone; // and we have no good pixels to fill with |
407 | |
481 | |
408 | rxvt_img *img = new rxvt_img (s, alpha ? XRenderFindStandardFormat (dpy, PictStandardARGB32) : format, 0, 0, w, h, repeat); |
482 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
409 | img->alloc (); |
483 | img->alloc (); |
410 | |
484 | |
411 | Picture src = src_picture (); |
485 | Picture src = src_picture (); |
412 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
486 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
413 | |
487 | |
|
|
488 | if (alpha) |
|
|
489 | { |
|
|
490 | XRenderColor rc = { 0, 0, 0, 0 }; |
|
|
491 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
|
|
492 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
|
|
493 | } |
|
|
494 | else |
414 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
495 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
415 | |
496 | |
416 | XRenderFreePicture (dpy, src); |
497 | XRenderFreePicture (dpy, src); |
417 | XRenderFreePicture (dpy, dst); |
498 | XRenderFreePicture (dpy, dst); |
418 | |
499 | |
419 | return img; |
500 | return img; |
420 | } |
501 | } |
… | |
… | |
454 | |
535 | |
455 | for (int i = 0; i < 3; ++i) |
536 | for (int i = 0; i < 3; ++i) |
456 | for (int j = 0; j < 3; ++j) |
537 | for (int j = 0; j < 3; ++j) |
457 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
538 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
458 | |
539 | |
459 | xfrm.matrix [0][2] += XDoubleToFixed (x);//TODO |
540 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
460 | xfrm.matrix [0][3] += XDoubleToFixed (y); |
541 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
461 | |
542 | |
462 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
543 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
463 | XRenderSetPictureTransform (dpy, src, &xfrm); |
544 | XRenderSetPictureTransform (dpy, src, &xfrm); |
464 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
545 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
465 | |
546 | |
… | |
… | |
470 | } |
551 | } |
471 | |
552 | |
472 | rxvt_img * |
553 | rxvt_img * |
473 | rxvt_img::scale (int new_width, int new_height) |
554 | rxvt_img::scale (int new_width, int new_height) |
474 | { |
555 | { |
|
|
556 | if (w == new_width && h == new_height) |
|
|
557 | return clone (); |
|
|
558 | |
475 | double matrix[9] = { |
559 | double matrix[9] = { |
476 | w / (double)new_width, 0, 0, |
560 | w / (double)new_width, 0, 0, |
477 | 0, h / (double)new_height, 0, |
561 | 0, h / (double)new_height, 0, |
478 | 0, 0, 1 |
562 | 0, 0, 1 |
479 | }; |
563 | }; |
480 | |
564 | |
|
|
565 | int old_repeat_mode = repeat; |
|
|
566 | repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems |
|
|
567 | |
481 | return transform (new_width, new_height, matrix); |
568 | rxvt_img *img = transform (new_width, new_height, matrix); |
|
|
569 | |
|
|
570 | repeat = old_repeat_mode; |
|
|
571 | img->repeat = repeat; |
|
|
572 | |
|
|
573 | return img; |
482 | } |
574 | } |
483 | |
575 | |
484 | rxvt_img * |
576 | rxvt_img * |
485 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
577 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
486 | { |
578 | { |
… | |
… | |
495 | |
587 | |
496 | return transform (new_width, new_height, matrix); |
588 | return transform (new_width, new_height, matrix); |
497 | } |
589 | } |
498 | |
590 | |
499 | rxvt_img * |
591 | rxvt_img * |
500 | rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg) |
592 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg) |
501 | { |
593 | { |
502 | if (new_format == format) |
594 | if (new_format == format) |
503 | return clone (); |
595 | return clone (); |
504 | |
596 | |
505 | rxvt_img *img = new rxvt_img (s, new_format, 0, 0, w, h, repeat); |
597 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
506 | img->alloc (); |
598 | img->alloc (); |
507 | |
599 | |
508 | Display *dpy = s->display->dpy; |
600 | Display *dpy = s->display->dpy; |
509 | Picture src = src_picture (); |
601 | Picture src = src_picture (); |
510 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
602 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
… | |
… | |
535 | { |
627 | { |
536 | rxvt_img *img2 = clone (); |
628 | rxvt_img *img2 = clone (); |
537 | Display *dpy = s->display->dpy; |
629 | Display *dpy = s->display->dpy; |
538 | Picture src = img->src_picture (); |
630 | Picture src = img->src_picture (); |
539 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
631 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
540 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
632 | Picture mask = create_xrender_mask (dpy, img->pm, False, False); |
541 | |
633 | |
542 | XRenderColor mask_c; |
634 | XRenderColor mask_c; |
543 | |
635 | |
544 | mask_c.alpha = float_to_component (factor); |
636 | mask_c.alpha = float_to_component (factor); |
545 | mask_c.red = |
637 | mask_c.red = |