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1 | #include <math.h> |
1 | #include "../config.h" |
2 | #include "../config.h" |
2 | #include "rxvt.h" |
3 | #include "rxvt.h" |
3 | |
4 | |
4 | #if HAVE_IMG |
5 | #if HAVE_IMG |
5 | |
6 | |
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7 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
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8 | : s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
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9 | pm(0), ref(0) |
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10 | { |
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11 | } |
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12 | |
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13 | rxvt_img::rxvt_img (const rxvt_img &img) |
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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) |
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15 | { |
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16 | ++ref->cnt; |
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17 | } |
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18 | |
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19 | #if 0 |
6 | rxvt_img::rxvt_img (rxvt_screen *screen, Pixmap *pm, XRenderPictFormat *format, int width, int height) |
20 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
7 | : s(screen), pm(pixmap) w(width), h(height), format(format) |
21 | : s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap) |
8 | { |
22 | { |
9 | } |
23 | } |
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24 | #endif |
10 | |
25 | |
11 | rxvt_img::rxvt_img (rxvt_screen *screen, GdkPixbuf *pixbuf, |
26 | rxvt_img * |
12 | int x, int y, int width, int height) |
27 | rxvt_img::new_from_root (rxvt_screen *s) |
13 | : s(screen), w(width), h(height) |
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14 | { |
28 | { |
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29 | Display *dpy = s->display->dpy; |
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30 | unsigned int root_pm_w, root_pm_h; |
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31 | Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_XROOTPMAP_ID]); |
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32 | if (root_pixmap == None) |
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33 | root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_ESETROOT_PMAP_ID]); |
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34 | |
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35 | if (root_pixmap == None) |
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36 | return 0; |
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37 | |
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38 | Window wdummy; |
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39 | int idummy; |
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40 | unsigned int udummy; |
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41 | |
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42 | if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pm_w, &root_pm_h, &udummy, &udummy)) |
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43 | return 0; |
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44 | |
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45 | rxvt_img *img = new rxvt_img ( |
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46 | s, |
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47 | XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
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48 | 0, |
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49 | 0, |
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50 | root_pm_w, |
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51 | root_pm_h |
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52 | ); |
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53 | |
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54 | img->pm = root_pixmap; |
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55 | img->ref = new pixref (root_pm_w, root_pm_h); |
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56 | img->ref->ours = false; |
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57 | |
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58 | return img; |
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59 | } |
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60 | |
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61 | rxvt_img * |
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62 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
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63 | { |
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64 | Display *dpy = s->display->dpy; |
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65 | |
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66 | int width = gdk_pixbuf_get_width (pb); |
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67 | int height = gdk_pixbuf_get_height (pb); |
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68 | |
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69 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
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70 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
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71 | |
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72 | // since we require rgb24/argb32 formats from xrender we assume |
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73 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
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74 | int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24; |
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75 | |
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76 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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77 | |
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78 | XImage xi; |
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79 | |
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80 | xi.width = width; |
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81 | xi.height = height; |
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82 | xi.xoffset = 0; |
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83 | xi.format = ZPixmap; |
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84 | xi.byte_order = ImageByteOrder (dpy); |
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85 | xi.bitmap_unit = 0; //XY only, unused |
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86 | xi.bitmap_bit_order = 0; //XY only, unused |
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87 | xi.bitmap_pad = BitmapPad (dpy); |
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88 | xi.depth = depth; |
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89 | xi.bytes_per_line = 0; |
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90 | xi.bits_per_pixel = 32; //Z only |
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91 | xi.red_mask = 0x00000000; //Z only, unused |
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92 | xi.green_mask = 0x00000000; //Z only, unused |
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93 | xi.blue_mask = 0x00000000; //Z only, unused |
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94 | xi.obdata = 0; // probably unused |
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95 | |
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96 | bool byte_order_mismatch = byte_order != xi.byte_order; |
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97 | |
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98 | if (!XInitImage (&xi)) |
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99 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
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100 | |
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101 | if (height > INT_MAX / xi.bytes_per_line) |
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102 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
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103 | |
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104 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
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105 | |
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106 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
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107 | |
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108 | assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb)); |
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109 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
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110 | char *line = xi.data; |
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111 | |
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112 | for (int y = 0; y < height; y++) |
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113 | { |
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114 | unsigned char *src = row; |
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115 | uint32_t *dst = (uint32_t *)line; |
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116 | |
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117 | if (depth == 24) |
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118 | for (int x = 0; x < width; x++) |
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119 | { |
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120 | uint8_t r = *src++; |
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121 | uint8_t g = *src++; |
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122 | uint8_t b = *src++; |
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123 | |
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124 | uint32_t v = (r << 16) | (g << 8) | b; |
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125 | |
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126 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
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127 | v = ecb_bswap32 (v); |
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128 | |
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129 | *dst++ = v; |
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130 | } |
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131 | else |
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132 | for (int x = 0; x < width; x++) |
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133 | { |
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134 | uint32_t v = *(uint32_t *)src; src += 4; |
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135 | |
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136 | if (ecb_big_endian ()) |
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137 | v = ecb_bswap32 (v); |
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138 | |
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139 | v = ecb_rotl32 (v, 8); |
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140 | |
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141 | if (!byte_order_mismatch) |
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142 | v = ecb_bswap32 (v); |
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143 | |
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144 | *dst++ = v; |
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145 | } |
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146 | |
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147 | row += rowstride; |
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148 | line += xi.bytes_per_line; |
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149 | } |
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150 | |
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151 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height); |
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152 | img->alloc (); |
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153 | |
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154 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
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155 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
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156 | XFreeGC (dpy, gc); |
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157 | |
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158 | free (xi.data); |
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159 | |
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160 | return img; |
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161 | } |
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162 | |
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163 | rxvt_img * |
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164 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
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165 | { |
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166 | GError *err = 0; |
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167 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
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168 | |
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169 | if (!pb) |
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170 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
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171 | |
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172 | rxvt_img *img = new_from_pixbuf (s, pb); |
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173 | |
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174 | g_object_unref (pb); |
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175 | |
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176 | return img; |
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177 | } |
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178 | |
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179 | void |
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180 | rxvt_img::destroy () |
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181 | { |
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182 | if (--ref->cnt) |
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183 | return; |
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184 | |
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185 | if (pm && ref->ours) |
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186 | XFreePixmap (s->display->dpy, pm); |
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187 | |
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188 | delete ref; |
15 | } |
189 | } |
16 | |
190 | |
17 | rxvt_img::~rxvt_img () |
191 | rxvt_img::~rxvt_img () |
18 | { |
192 | { |
19 | if (pm) |
193 | destroy (); |
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194 | } |
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195 | |
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196 | void |
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197 | rxvt_img::alloc () |
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198 | { |
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199 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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200 | ref = new pixref (w, h); |
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201 | } |
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202 | |
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203 | Picture |
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204 | rxvt_img::src_picture () |
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205 | { |
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206 | Display *dpy = s->display->dpy; |
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207 | |
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208 | XRenderPictureAttributes pa; |
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209 | pa.repeat = repeat; |
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210 | Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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211 | |
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212 | return pic; |
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213 | } |
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214 | |
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215 | void |
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216 | rxvt_img::unshare () |
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217 | { |
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218 | if (ref->cnt == 1 && ref->ours) |
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219 | return; |
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220 | |
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221 | //TODO: maybe should reify instead |
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222 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
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223 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
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224 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
20 | XFreePixmap (s->display->dpy, pm); |
225 | XFreeGC (s->display->dpy, gc); |
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226 | |
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227 | destroy (); |
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228 | |
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229 | pm = pm2; |
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230 | ref = new pixref (ref->w, ref->h); |
21 | } |
231 | } |
22 | |
232 | |
23 | void |
233 | void |
24 | rxvt_img::fill (const rxvt_color &c) |
234 | rxvt_img::fill (const rxvt_color &c) |
25 | { |
235 | { |
26 | XGCValues gcv; |
236 | XGCValues gcv; |
27 | gcv.foreground = c; |
237 | gcv.foreground = c; |
28 | GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
238 | GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
29 | XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
239 | XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
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240 | XFreeGC (s->display->dpy, gc); |
30 | } |
241 | } |
31 | |
242 | |
32 | rxvt_img *copy () |
243 | static void |
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244 | get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
33 | { |
245 | { |
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246 | double sigma = radius / 2.0; |
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247 | double scale = sqrt (2.0 * M_PI) * sigma; |
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248 | double sum = 0.0; |
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249 | |
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250 | for (int i = 0; i < width; i++) |
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251 | { |
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252 | double x = i - width / 2; |
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253 | kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
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254 | sum += kernel[i]; |
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255 | } |
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256 | |
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257 | params[0] = XDoubleToFixed (width); |
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258 | params[1] = XDoubleToFixed (1); |
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259 | |
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260 | for (int i = 0; i < width; i++) |
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261 | params[i+2] = XDoubleToFixed (kernel[i] / sum); |
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262 | } |
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263 | |
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264 | rxvt_img * |
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265 | rxvt_img::blur (int rh, int rv) |
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266 | { |
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267 | if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
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268 | return clone (); |
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269 | |
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270 | Display *dpy = s->display->dpy; |
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271 | int size = max (rh, rv) * 2 + 1; |
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272 | double *kernel = (double *)malloc (size * sizeof (double)); |
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273 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
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274 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
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275 | img->alloc (); |
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276 | |
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277 | Picture src = src_picture (); |
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278 | |
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279 | XRenderPictureAttributes pa; |
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280 | pa.repeat = RepeatPad; |
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281 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
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282 | |
34 | Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, depth); |
283 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
35 | XCopyArea (s->display->dpy, pm, pm2, 0, 0, w, h, 0, 0); |
284 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
36 | return new rxvt_img (s, pm2, format, w, h); |
285 | XFreePixmap (dpy, tmp_pm); |
37 | } |
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38 | |
286 | |
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287 | if (kernel && params) |
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288 | { |
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289 | size = rh * 2 + 1; |
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290 | get_gaussian_kernel (rh, size, kernel, params); |
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291 | |
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292 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
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293 | XRenderComposite (dpy, |
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294 | PictOpSrc, |
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295 | src, |
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296 | None, |
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297 | tmp, |
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298 | 0, 0, |
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299 | 0, 0, |
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300 | 0, 0, |
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301 | w, h); |
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302 | |
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303 | size = rv * 2 + 1; |
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304 | get_gaussian_kernel (rv, size, kernel, params); |
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305 | ::swap (params[0], params[1]); |
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306 | |
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307 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
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308 | XRenderComposite (dpy, |
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309 | PictOpSrc, |
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310 | tmp, |
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311 | None, |
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312 | dst, |
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313 | 0, 0, |
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314 | 0, 0, |
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315 | 0, 0, |
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316 | w, h); |
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317 | } |
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318 | |
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319 | free (kernel); |
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320 | free (params); |
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321 | XRenderFreePicture (dpy, src); |
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322 | XRenderFreePicture (dpy, dst); |
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323 | XRenderFreePicture (dpy, tmp); |
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324 | |
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325 | return img; |
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326 | } |
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327 | |
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328 | static Picture |
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329 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
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330 | { |
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331 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
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332 | |
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333 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
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334 | XRenderPictureAttributes pa; |
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335 | pa.repeat = True; |
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336 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
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337 | |
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338 | XFreePixmap (dpy, pixmap); |
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339 | |
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340 | return mask; |
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341 | } |
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342 | |
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343 | void |
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344 | rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
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345 | { |
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346 | Display *dpy = s->display->dpy; |
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347 | Picture src = create_xrender_mask (dpy, pm, True); |
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348 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
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349 | |
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350 | XRenderColor mask_c; |
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351 | mask_c.red = r; |
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352 | mask_c.green = g; |
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353 | mask_c.blue = b; |
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354 | mask_c.alpha = a; |
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355 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
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356 | |
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357 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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358 | |
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359 | XRenderFreePicture (dpy, src); |
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360 | XRenderFreePicture (dpy, dst); |
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361 | } |
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362 | |
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363 | void |
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364 | rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
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365 | { |
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366 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
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367 | return; |
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368 | |
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369 | Display *dpy = s->display->dpy; |
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370 | Picture src = create_xrender_mask (dpy, pm, True); |
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371 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
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372 | |
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373 | XRenderColor mask_c; |
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374 | mask_c.red = r; |
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375 | mask_c.green = g; |
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376 | mask_c.blue = b; |
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377 | mask_c.alpha = a; |
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378 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
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379 | |
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380 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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381 | |
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382 | XRenderFreePicture (dpy, src); |
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383 | XRenderFreePicture (dpy, dst); |
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384 | } |
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385 | |
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386 | rxvt_img * |
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387 | rxvt_img::clone () |
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388 | { |
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389 | return new rxvt_img (*this); |
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390 | } |
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391 | |
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392 | static XRenderPictFormat * |
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393 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
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394 | { |
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395 | if (format->direct.alphaMask) |
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396 | return format; // already has alpha |
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397 | |
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398 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
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399 | if (format->type == PictTypeDirect) |
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400 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
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401 | if (f->direct.alphaMask |
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402 | && f->type == PictTypeDirect |
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403 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
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404 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
|
|
405 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
|
|
406 | return f; |
|
|
407 | |
|
|
408 | // should be a very good fallback |
|
|
409 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
|
|
410 | } |
|
|
411 | |
|
|
412 | rxvt_img * |
|
|
413 | rxvt_img::reify () |
|
|
414 | { |
|
|
415 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
|
|
416 | return clone (); |
|
|
417 | |
|
|
418 | Display *dpy = s->display->dpy; |
|
|
419 | |
|
|
420 | bool alpha = !format->direct.alphaMask |
|
|
421 | && (x || y) |
|
|
422 | && repeat == RepeatNone; |
|
|
423 | |
|
|
424 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
|
|
425 | img->alloc (); |
|
|
426 | |
|
|
427 | Picture src = src_picture (); |
|
|
428 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
429 | |
|
|
430 | if (alpha) |
|
|
431 | { |
|
|
432 | XRenderColor rc = { 0, 0, 0, 0 }; |
|
|
433 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
|
|
434 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
|
|
435 | } |
|
|
436 | else |
|
|
437 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
|
|
438 | |
|
|
439 | XRenderFreePicture (dpy, src); |
|
|
440 | XRenderFreePicture (dpy, dst); |
|
|
441 | |
|
|
442 | return img; |
|
|
443 | } |
|
|
444 | |
|
|
445 | rxvt_img * |
|
|
446 | rxvt_img::sub_rect (int x, int y, int width, int height) |
|
|
447 | { |
|
|
448 | rxvt_img *img = clone (); |
|
|
449 | |
|
|
450 | img->x += x; |
|
|
451 | img->y += y; |
|
|
452 | |
|
|
453 | if (w != width || h != height) |
|
|
454 | { |
|
|
455 | img->w = width; |
|
|
456 | img->h = height; |
|
|
457 | |
|
|
458 | rxvt_img *img2 = img->reify (); |
|
|
459 | delete img; |
|
|
460 | img = img2; |
|
|
461 | } |
|
|
462 | |
|
|
463 | return img; |
|
|
464 | } |
|
|
465 | |
|
|
466 | rxvt_img * |
|
|
467 | rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
|
|
468 | { |
|
|
469 | rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat); |
|
|
470 | img->alloc (); |
|
|
471 | |
|
|
472 | Display *dpy = s->display->dpy; |
|
|
473 | Picture src = src_picture (); |
|
|
474 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
475 | |
|
|
476 | XTransform xfrm; |
|
|
477 | |
|
|
478 | for (int i = 0; i < 3; ++i) |
|
|
479 | for (int j = 0; j < 3; ++j) |
|
|
480 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
|
|
481 | |
|
|
482 | #if 0 |
|
|
483 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
|
|
484 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
39 | #endif |
485 | #endif |
40 | |
486 | |
|
|
487 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
|
|
488 | XRenderSetPictureTransform (dpy, src, &xfrm); |
|
|
489 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
|
|
490 | |
|
|
491 | XRenderFreePicture (dpy, src); |
|
|
492 | XRenderFreePicture (dpy, dst); |
|
|
493 | |
|
|
494 | return img; |
|
|
495 | } |
|
|
496 | |
|
|
497 | rxvt_img * |
|
|
498 | rxvt_img::scale (int new_width, int new_height) |
|
|
499 | { |
|
|
500 | if (w == new_width && h == new_height) |
|
|
501 | return clone (); |
|
|
502 | |
|
|
503 | double matrix[9] = { |
|
|
504 | w / (double)new_width, 0, 0, |
|
|
505 | 0, h / (double)new_height, 0, |
|
|
506 | 0, 0, 1 |
|
|
507 | }; |
|
|
508 | |
|
|
509 | int old_repeat_mode = repeat; |
|
|
510 | repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems |
|
|
511 | |
|
|
512 | rxvt_img *img = transform (new_width, new_height, matrix); |
|
|
513 | |
|
|
514 | repeat = old_repeat_mode; |
|
|
515 | img->repeat = repeat; |
|
|
516 | |
|
|
517 | return img; |
|
|
518 | } |
|
|
519 | |
|
|
520 | rxvt_img * |
|
|
521 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
|
|
522 | { |
|
|
523 | double s = sin (phi); |
|
|
524 | double c = cos (phi); |
|
|
525 | |
|
|
526 | double matrix[9] = { |
|
|
527 | c, -s, -c * x + s * y + x, |
|
|
528 | s, c, -s * x - c * y + y, |
|
|
529 | 0, 0, 1 |
|
|
530 | }; |
|
|
531 | |
|
|
532 | return transform (new_width, new_height, matrix); |
|
|
533 | } |
|
|
534 | |
|
|
535 | rxvt_img * |
|
|
536 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg) |
|
|
537 | { |
|
|
538 | if (new_format == format) |
|
|
539 | return clone (); |
|
|
540 | |
|
|
541 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
|
|
542 | img->alloc (); |
|
|
543 | |
|
|
544 | Display *dpy = s->display->dpy; |
|
|
545 | Picture src = src_picture (); |
|
|
546 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
|
|
547 | int op = PictOpSrc; |
|
|
548 | |
|
|
549 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
|
|
550 | { |
|
|
551 | // does it have to be that complicated |
|
|
552 | rgba c; |
|
|
553 | bg.get (c); |
|
|
554 | |
|
|
555 | XRenderColor rc = { c.r, c.g, c.b, 0xffff }; |
|
|
556 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
|
|
557 | |
|
|
558 | op = PictOpOver; |
|
|
559 | } |
|
|
560 | |
|
|
561 | XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
562 | |
|
|
563 | XRenderFreePicture (dpy, src); |
|
|
564 | XRenderFreePicture (dpy, dst); |
|
|
565 | |
|
|
566 | return img; |
|
|
567 | } |
|
|
568 | |
|
|
569 | rxvt_img * |
|
|
570 | rxvt_img::blend (rxvt_img *img, double factor) |
|
|
571 | { |
|
|
572 | rxvt_img *img2 = clone (); |
|
|
573 | Display *dpy = s->display->dpy; |
|
|
574 | Picture src = img->src_picture (); |
|
|
575 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
|
|
576 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
|
|
577 | |
|
|
578 | XRenderColor mask_c; |
|
|
579 | |
|
|
580 | mask_c.alpha = float_to_component (factor); |
|
|
581 | mask_c.red = |
|
|
582 | mask_c.green = |
|
|
583 | mask_c.blue = 0; |
|
|
584 | XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
|
|
585 | |
|
|
586 | XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
587 | |
|
|
588 | XRenderFreePicture (dpy, src); |
|
|
589 | XRenderFreePicture (dpy, dst); |
|
|
590 | XRenderFreePicture (dpy, mask); |
|
|
591 | |
|
|
592 | return img2; |
|
|
593 | } |
|
|
594 | |
|
|
595 | #endif |
|
|
596 | |