… | |
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2 | #include "../config.h" |
2 | #include "../config.h" |
3 | #include "rxvt.h" |
3 | #include "rxvt.h" |
4 | |
4 | |
5 | #if HAVE_IMG |
5 | #if HAVE_IMG |
6 | |
6 | |
7 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height) |
7 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
8 | : s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false) |
8 | : s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
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9 | pm(0), ref(0) |
9 | { |
10 | { |
10 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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11 | } |
11 | } |
12 | |
12 | |
13 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
13 | rxvt_img::rxvt_img (const rxvt_img &img) |
14 | : s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap) |
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 | { |
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16 | ++ref->cnt; |
16 | } |
17 | } |
17 | |
18 | |
18 | rxvt_img * |
19 | rxvt_img * |
19 | rxvt_img::new_from_root (rxvt_screen *s) |
20 | rxvt_img::new_from_root (rxvt_screen *s) |
20 | { |
21 | { |
… | |
… | |
35 | return 0; |
36 | return 0; |
36 | |
37 | |
37 | rxvt_img *img = new rxvt_img ( |
38 | rxvt_img *img = new rxvt_img ( |
38 | s, |
39 | s, |
39 | XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
40 | XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
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41 | 0, |
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42 | 0, |
40 | root_pm_w, |
43 | root_pm_w, |
41 | root_pm_h, |
44 | root_pm_h |
42 | root_pixmap |
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43 | ); |
45 | ); |
44 | |
46 | |
45 | img->shared = true; |
47 | img->pm = root_pixmap; |
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48 | img->ref = new pixref (root_pm_w, root_pm_h); |
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49 | img->ref->ours = false; |
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50 | |
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51 | return img; |
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52 | } |
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53 | |
|
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54 | # if HAVE_PIXBUF |
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55 | rxvt_img * |
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56 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
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57 | { |
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58 | Display *dpy = s->display->dpy; |
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59 | |
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60 | int width = gdk_pixbuf_get_width (pb); |
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61 | int height = gdk_pixbuf_get_height (pb); |
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62 | |
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63 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
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64 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
|
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65 | |
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66 | // since we require rgb24/argb32 formats from xrender we assume |
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67 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
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68 | int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24; |
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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 | |
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74 | xi.width = width; |
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75 | xi.height = height; |
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76 | xi.xoffset = 0; |
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77 | xi.format = ZPixmap; |
|
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78 | xi.byte_order = ImageByteOrder (dpy); |
|
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79 | xi.bitmap_unit = 0; //XY only, unused |
|
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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 = depth; |
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83 | xi.bytes_per_line = 0; |
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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 |
|
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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 | |
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102 | assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb)); |
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103 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
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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; |
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109 | uint32_t *dst = (uint32_t *)line; |
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110 | |
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111 | if (depth == 24) |
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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 = (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 | |
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145 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height); |
|
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146 | img->alloc (); |
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147 | |
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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); |
46 | |
153 | |
47 | return img; |
154 | return img; |
48 | } |
155 | } |
49 | |
156 | |
50 | rxvt_img * |
157 | rxvt_img * |
… | |
… | |
54 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
161 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
55 | |
162 | |
56 | if (!pb) |
163 | if (!pb) |
57 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
164 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
58 | |
165 | |
59 | rxvt_img *img = new rxvt_img ( |
166 | rxvt_img *img = new_from_pixbuf (s, pb); |
60 | s, |
|
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61 | XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
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62 | gdk_pixbuf_get_width (pb), |
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63 | gdk_pixbuf_get_height (pb) |
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64 | ); |
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65 | |
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66 | img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); |
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67 | |
167 | |
68 | g_object_unref (pb); |
168 | g_object_unref (pb); |
69 | |
169 | |
70 | return img; |
170 | return img; |
71 | } |
171 | } |
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172 | # endif |
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173 | |
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174 | void |
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175 | rxvt_img::destroy () |
|
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176 | { |
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177 | if (--ref->cnt) |
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178 | return; |
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179 | |
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180 | if (pm && ref->ours) |
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181 | XFreePixmap (s->display->dpy, pm); |
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182 | |
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183 | delete ref; |
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184 | } |
72 | |
185 | |
73 | rxvt_img::~rxvt_img () |
186 | rxvt_img::~rxvt_img () |
74 | { |
187 | { |
75 | if (!shared) |
188 | destroy (); |
76 | XFreePixmap (s->display->dpy, pm); |
189 | } |
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190 | |
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191 | void |
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192 | rxvt_img::alloc () |
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193 | { |
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194 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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195 | ref = new pixref (w, h); |
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196 | } |
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197 | |
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198 | Picture |
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199 | rxvt_img::src_picture () |
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200 | { |
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201 | Display *dpy = s->display->dpy; |
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202 | |
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203 | XRenderPictureAttributes pa; |
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204 | pa.repeat = repeat; |
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205 | Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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206 | |
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207 | return pic; |
77 | } |
208 | } |
78 | |
209 | |
79 | void |
210 | void |
80 | rxvt_img::unshare () |
211 | rxvt_img::unshare () |
81 | { |
212 | { |
82 | if (!shared) |
213 | if (ref->cnt == 1 && ref->ours) |
83 | return; |
214 | return; |
84 | |
215 | |
85 | rxvt_img *img = clone (); |
216 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
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217 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
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218 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
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219 | XFreeGC (s->display->dpy, gc); |
86 | |
220 | |
87 | ::swap (pm , img->pm); |
221 | destroy (); |
88 | ::swap (shared, img->shared); |
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89 | |
222 | |
90 | delete img; |
223 | pm = pm2; |
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224 | ref = new pixref (ref->w, ref->h); |
91 | } |
225 | } |
92 | |
226 | |
93 | void |
227 | void |
94 | rxvt_img::fill (const rxvt_color &c) |
228 | rxvt_img::fill (const rxvt_color &c) |
95 | { |
229 | { |
… | |
… | |
129 | |
263 | |
130 | Display *dpy = s->display->dpy; |
264 | Display *dpy = s->display->dpy; |
131 | int size = max (rh, rv) * 2 + 1; |
265 | int size = max (rh, rv) * 2 + 1; |
132 | double *kernel = (double *)malloc (size * sizeof (double)); |
266 | double *kernel = (double *)malloc (size * sizeof (double)); |
133 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
267 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
134 | rxvt_img *img = new rxvt_img (s, format, w, h); |
268 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
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269 | img->alloc (); |
135 | |
270 | |
136 | XRenderPictureAttributes pa; |
271 | XRenderPictureAttributes pa; |
137 | |
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138 | pa.repeat = RepeatPad; |
272 | pa.repeat = RepeatPad; |
139 | Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa); |
273 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
140 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
274 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
141 | |
275 | |
142 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
276 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
143 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
277 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
144 | XFreePixmap (dpy, tmp_pm); |
278 | XFreePixmap (dpy, tmp_pm); |
145 | |
279 | |
… | |
… | |
161 | |
295 | |
162 | size = rv * 2 + 1; |
296 | size = rv * 2 + 1; |
163 | get_gaussian_kernel (rv, size, kernel, params); |
297 | get_gaussian_kernel (rv, size, kernel, params); |
164 | ::swap (params[0], params[1]); |
298 | ::swap (params[0], params[1]); |
165 | |
299 | |
166 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
300 | XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
167 | XRenderComposite (dpy, |
301 | XRenderComposite (dpy, |
168 | PictOpSrc, |
302 | PictOpSrc, |
169 | tmp, |
303 | tmp, |
170 | None, |
304 | None, |
171 | dst, |
305 | dst, |
… | |
… | |
182 | XRenderFreePicture (dpy, tmp); |
316 | XRenderFreePicture (dpy, tmp); |
183 | |
317 | |
184 | return img; |
318 | return img; |
185 | } |
319 | } |
186 | |
320 | |
187 | static Picture |
321 | static void |
188 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
322 | extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
189 | { |
323 | { |
190 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
324 | int32_t x = clamp (c, cl0, cl1); |
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325 | c -= x; |
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326 | xc = x; |
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327 | } |
191 | |
328 | |
192 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
329 | static bool |
193 | XRenderPictureAttributes pa; |
330 | 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) |
194 | pa.repeat = True; |
331 | { |
195 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
332 | extract (cl0, cl1, r, xr); |
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333 | extract (cl0, cl1, g, xg); |
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334 | extract (cl0, cl1, b, xb); |
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335 | extract (cl0, cl1, a, xa); |
196 | |
336 | |
197 | XFreePixmap (dpy, pixmap); |
337 | return xr | xg | xb | xa; |
198 | |
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199 | return mask; |
|
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200 | } |
338 | } |
201 | |
339 | |
202 | void |
340 | void |
203 | rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
341 | rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
204 | { |
342 | { |
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343 | unshare (); |
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344 | |
205 | Display *dpy = s->display->dpy; |
345 | Display *dpy = s->display->dpy; |
206 | Picture src = create_xrender_mask (dpy, pm, True); |
346 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
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347 | |
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348 | // loop should not be needed for brightness, as only -1..1 makes sense |
|
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349 | //while (r | g | b | a) |
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350 | { |
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351 | unsigned short xr, xg, xb, xa; |
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352 | XRenderColor mask_c; |
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353 | |
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354 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
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355 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
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356 | |
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357 | if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
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358 | { |
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359 | XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
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360 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
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361 | mask_c.red = -mask_c.red; //TODO: verify that doing clamp, assign, and negation does the right thing |
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362 | mask_c.green = -mask_c.green; |
|
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363 | mask_c.blue = -mask_c.blue; |
|
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364 | mask_c.alpha = -mask_c.alpha; |
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365 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
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366 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
|
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367 | } |
|
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368 | } |
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369 | |
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370 | |
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371 | XRenderFreePicture (dpy, dst); |
|
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372 | } |
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373 | |
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374 | void |
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375 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
|
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376 | { |
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377 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
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378 | { |
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379 | rxvt_warn ("rxvt_img::contrast operation not supported on this display, RENDER extension too old.\n"); |
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380 | return; |
|
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381 | } |
|
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382 | |
|
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383 | unshare (); |
|
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384 | |
|
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385 | Display *dpy = s->display->dpy; |
207 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
386 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
208 | |
387 | |
209 | XRenderColor mask_c; |
388 | XRenderColor mask_c; |
210 | mask_c.red = r; |
389 | mask_c.red = r; |
211 | mask_c.green = g; |
390 | mask_c.green = g; |
212 | mask_c.blue = b; |
391 | mask_c.blue = b; |
213 | mask_c.alpha = a; |
392 | mask_c.alpha = a; |
214 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
393 | XRenderFillRectangle (dpy, PictOpMultiply, dst, &mask_c, 0, 0, w, h); |
215 | |
394 | |
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395 | XRenderFreePicture (dpy, dst); |
|
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396 | } |
|
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397 | |
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398 | rxvt_img * |
|
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399 | rxvt_img::clone () |
|
|
400 | { |
|
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401 | return new rxvt_img (*this); |
|
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402 | } |
|
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403 | |
|
|
404 | static XRenderPictFormat * |
|
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405 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
|
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406 | { |
|
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407 | if (format->direct.alphaMask) |
|
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408 | return format; // already has alpha |
|
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409 | |
|
|
410 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
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411 | if (format->type == PictTypeDirect) |
|
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412 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
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413 | if (f->direct.alphaMask |
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414 | && f->type == PictTypeDirect |
|
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415 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
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416 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
|
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417 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
|
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418 | return f; |
|
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419 | |
|
|
420 | // should be a very good fallback |
|
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421 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
|
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422 | } |
|
|
423 | |
|
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424 | rxvt_img * |
|
|
425 | rxvt_img::reify () |
|
|
426 | { |
|
|
427 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
|
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428 | return clone (); |
|
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429 | |
|
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430 | Display *dpy = s->display->dpy; |
|
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431 | |
|
|
432 | // add an alpha channel if... |
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433 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
|
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434 | && (x || y) // we need one because of non-zero offset |
|
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435 | && repeat == RepeatNone; // and we have no good pixels to fill with |
|
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436 | |
|
|
437 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
|
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438 | img->alloc (); |
|
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439 | |
|
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440 | Picture src = src_picture (); |
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441 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
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442 | |
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443 | if (alpha) |
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444 | { |
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445 | XRenderColor rc = { 0, 0, 0, 0 }; |
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446 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
|
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447 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
|
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448 | } |
|
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449 | else |
216 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
450 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
217 | |
451 | |
218 | XRenderFreePicture (dpy, src); |
452 | XRenderFreePicture (dpy, src); |
219 | XRenderFreePicture (dpy, dst); |
453 | XRenderFreePicture (dpy, dst); |
220 | } |
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221 | |
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222 | void |
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223 | rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
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224 | { |
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225 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
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226 | return; |
|
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227 | |
|
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228 | Display *dpy = s->display->dpy; |
|
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229 | Picture src = create_xrender_mask (dpy, pm, True); |
|
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230 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
|
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231 | |
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232 | XRenderColor mask_c; |
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233 | mask_c.red = r; |
|
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234 | mask_c.green = g; |
|
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235 | mask_c.blue = b; |
|
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236 | mask_c.alpha = a; |
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237 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
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238 | |
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239 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
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240 | |
|
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241 | XRenderFreePicture (dpy, src); |
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242 | XRenderFreePicture (dpy, dst); |
|
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243 | } |
|
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244 | |
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245 | bool |
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246 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
|
|
247 | { |
|
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248 | Display *dpy = s->display->dpy; |
|
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249 | |
|
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250 | if (s->visual->c_class != TrueColor) |
|
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251 | return false; |
|
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252 | |
|
|
253 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
|
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254 | |
|
|
255 | red_mask = (uint32_t)format->direct.redMask << format->direct.red; |
|
|
256 | green_mask = (uint32_t)format->direct.greenMask << format->direct.green; |
|
|
257 | blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; |
|
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258 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
|
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259 | |
|
|
260 | int width_r = ecb_popcount32 (red_mask); |
|
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261 | int width_g = ecb_popcount32 (green_mask); |
|
|
262 | int width_b = ecb_popcount32 (blue_mask); |
|
|
263 | int width_a = ecb_popcount32 (alpha_mask); |
|
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264 | |
|
|
265 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
|
|
266 | return false; |
|
|
267 | |
|
|
268 | int sh_r = ecb_ctz32 (red_mask); |
|
|
269 | int sh_g = ecb_ctz32 (green_mask); |
|
|
270 | int sh_b = ecb_ctz32 (blue_mask); |
|
|
271 | int sh_a = ecb_ctz32 (alpha_mask); |
|
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272 | |
|
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273 | if (width > 32767 || height > 32767) |
|
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274 | return false; |
|
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275 | |
|
|
276 | XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
|
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277 | width, height, 32, 0); |
|
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278 | if (!ximage) |
|
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279 | return false; |
|
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280 | |
|
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281 | if (height > INT_MAX / ximage->bytes_per_line |
|
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282 | || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
|
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283 | { |
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284 | XDestroyImage (ximage); |
|
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285 | return false; |
|
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286 | } |
|
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287 | |
|
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288 | GC gc = XCreateGC (dpy, pm, 0, 0); |
|
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289 | |
|
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290 | ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
|
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291 | |
|
|
292 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
|
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293 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
|
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294 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
|
|
295 | char *line = ximage->data; |
|
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296 | |
|
|
297 | for (int y = 0; y < height; y++) |
|
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298 | { |
|
|
299 | for (int x = 0; x < width; x++) |
|
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300 | { |
|
|
301 | unsigned char *pixel = row + x * channels; |
|
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302 | uint32_t value; |
|
|
303 | unsigned char r, g, b, a; |
|
|
304 | |
|
|
305 | if (channels == 4) |
|
|
306 | { |
|
|
307 | a = pixel[3]; |
|
|
308 | r = pixel[0] * a / 0xff; |
|
|
309 | g = pixel[1] * a / 0xff; |
|
|
310 | b = pixel[2] * a / 0xff; |
|
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311 | } |
|
|
312 | else |
|
|
313 | { |
|
|
314 | a = 0xff; |
|
|
315 | r = pixel[0]; |
|
|
316 | g = pixel[1]; |
|
|
317 | b = pixel[2]; |
|
|
318 | } |
|
|
319 | |
|
|
320 | value = ((r >> (8 - width_r)) << sh_r) |
|
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321 | | ((g >> (8 - width_g)) << sh_g) |
|
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322 | | ((b >> (8 - width_b)) << sh_b) |
|
|
323 | | ((a >> (8 - width_a)) << sh_a); |
|
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324 | |
|
|
325 | if (ximage->bits_per_pixel == 32) |
|
|
326 | ((uint32_t *)line)[x] = value; |
|
|
327 | else |
|
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328 | XPutPixel (ximage, x, y, value); |
|
|
329 | } |
|
|
330 | |
|
|
331 | row += rowstride; |
|
|
332 | line += ximage->bytes_per_line; |
|
|
333 | } |
|
|
334 | |
|
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335 | XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
|
|
336 | XDestroyImage (ximage); |
|
|
337 | XFreeGC (dpy, gc); |
|
|
338 | |
|
|
339 | return true; |
|
|
340 | } |
|
|
341 | |
|
|
342 | rxvt_img * |
|
|
343 | rxvt_img::clone () |
|
|
344 | { |
|
|
345 | rxvt_img *img = new rxvt_img (s, format, w, h); |
|
|
346 | |
|
|
347 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
|
|
348 | XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0); |
|
|
349 | XFreeGC (s->display->dpy, gc); |
|
|
350 | |
454 | |
351 | return img; |
455 | return img; |
352 | } |
456 | } |
353 | |
457 | |
354 | rxvt_img * |
458 | rxvt_img * |
355 | rxvt_img::sub_rect (int x, int y, int width, int height) |
459 | rxvt_img::sub_rect (int x, int y, int width, int height) |
356 | { |
460 | { |
357 | rxvt_img *img = new rxvt_img (s, format, width, height); |
461 | rxvt_img *img = clone (); |
358 | |
462 | |
359 | Display *dpy = s->display->dpy; |
463 | img->x += x; |
360 | XRenderPictureAttributes pa; |
464 | img->y += y; |
361 | pa.repeat = repeat; |
|
|
362 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
|
|
363 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
364 | |
465 | |
365 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height); |
466 | if (w != width || h != height) |
|
|
467 | { |
|
|
468 | img->w = width; |
|
|
469 | img->h = height; |
366 | |
470 | |
367 | XRenderFreePicture (dpy, src); |
471 | rxvt_img *img2 = img->reify (); |
368 | XRenderFreePicture (dpy, dst); |
472 | delete img; |
|
|
473 | img = img2; |
|
|
474 | } |
369 | |
475 | |
370 | return img; |
476 | return img; |
371 | } |
477 | } |
372 | |
478 | |
373 | rxvt_img * |
479 | rxvt_img * |
374 | rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
480 | rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
375 | { |
481 | { |
376 | rxvt_img *img = new rxvt_img (s, format, new_width, new_height); |
482 | rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat); |
|
|
483 | img->alloc (); |
377 | |
484 | |
378 | Display *dpy = s->display->dpy; |
485 | Display *dpy = s->display->dpy; |
379 | XRenderPictureAttributes pa; |
486 | Picture src = src_picture (); |
380 | pa.repeat = repeat; |
|
|
381 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
|
|
382 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
487 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
383 | |
488 | |
384 | XTransform xfrm; |
489 | XTransform xfrm; |
385 | |
490 | |
386 | for (int i = 0; i < 3; ++i) |
491 | for (int i = 0; i < 3; ++i) |
387 | for (int j = 0; j < 3; ++j) |
492 | for (int j = 0; j < 3; ++j) |
388 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
493 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
389 | |
494 | |
|
|
495 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
|
|
496 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
|
|
497 | |
390 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
498 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
391 | XRenderSetPictureTransform (dpy, src, &xfrm); |
499 | XRenderSetPictureTransform (dpy, src, &xfrm); |
392 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
500 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
393 | |
501 | |
394 | XRenderFreePicture (dpy, src); |
502 | XRenderFreePicture (dpy, src); |
… | |
… | |
398 | } |
506 | } |
399 | |
507 | |
400 | rxvt_img * |
508 | rxvt_img * |
401 | rxvt_img::scale (int new_width, int new_height) |
509 | rxvt_img::scale (int new_width, int new_height) |
402 | { |
510 | { |
|
|
511 | if (w == new_width && h == new_height) |
|
|
512 | return clone (); |
|
|
513 | |
403 | double matrix[9] = { |
514 | double matrix[9] = { |
404 | w / (double)new_width, 0, 0, |
515 | w / (double)new_width, 0, 0, |
405 | 0, h / (double)new_height, 0, |
516 | 0, h / (double)new_height, 0, |
406 | 0, 0, 1 |
517 | 0, 0, 1 |
407 | }; |
518 | }; |
408 | |
519 | |
|
|
520 | int old_repeat_mode = repeat; |
|
|
521 | repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems |
|
|
522 | |
409 | return transform (new_width, new_height, matrix); |
523 | rxvt_img *img = transform (new_width, new_height, matrix); |
|
|
524 | |
|
|
525 | repeat = old_repeat_mode; |
|
|
526 | img->repeat = repeat; |
|
|
527 | |
|
|
528 | return img; |
410 | } |
529 | } |
411 | |
530 | |
412 | rxvt_img * |
531 | rxvt_img * |
413 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
532 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
414 | { |
533 | { |
… | |
… | |
423 | |
542 | |
424 | return transform (new_width, new_height, matrix); |
543 | return transform (new_width, new_height, matrix); |
425 | } |
544 | } |
426 | |
545 | |
427 | rxvt_img * |
546 | rxvt_img * |
428 | rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg) |
547 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg) |
429 | { |
548 | { |
|
|
549 | if (new_format == format) |
|
|
550 | return clone (); |
|
|
551 | |
430 | rxvt_img *img = new rxvt_img (s, new_format, w, h); |
552 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
|
|
553 | img->alloc (); |
431 | |
554 | |
432 | Display *dpy = s->display->dpy; |
555 | Display *dpy = s->display->dpy; |
433 | Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); |
556 | Picture src = src_picture (); |
434 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
557 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
435 | int op = PictOpSrc; |
558 | int op = PictOpSrc; |
436 | |
559 | |
437 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
560 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
438 | { |
561 | { |
… | |
… | |
457 | rxvt_img * |
580 | rxvt_img * |
458 | rxvt_img::blend (rxvt_img *img, double factor) |
581 | rxvt_img::blend (rxvt_img *img, double factor) |
459 | { |
582 | { |
460 | rxvt_img *img2 = clone (); |
583 | rxvt_img *img2 = clone (); |
461 | Display *dpy = s->display->dpy; |
584 | Display *dpy = s->display->dpy; |
462 | Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
585 | Picture src = img->src_picture (); |
463 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
586 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
464 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
587 | |
|
|
588 | Pixmap pixmap = XCreatePixmap (dpy, img->pm, 1, 1, 8); |
|
|
589 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, PictStandardA8); |
|
|
590 | XRenderPictureAttributes pa; |
|
|
591 | pa.repeat = True; |
|
|
592 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
|
|
593 | XFreePixmap (dpy, pixmap); |
465 | |
594 | |
466 | XRenderColor mask_c; |
595 | XRenderColor mask_c; |
467 | |
596 | |
468 | mask_c.alpha = float_to_component (factor); |
597 | mask_c.alpha = float_to_component (factor); |
469 | mask_c.red = |
598 | mask_c.red = |