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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 | #define float_to_component(d) ((d) * 65535.99) |
7 | #if 0 |
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8 | struct pict |
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9 | { |
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10 | Display *dpy; |
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11 | Picture pic; |
8 | |
12 | |
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13 | operator Picture () const |
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14 | { |
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15 | return pic; |
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16 | } |
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17 | |
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18 | pict () |
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19 | : pic (0) |
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20 | { |
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21 | } |
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22 | |
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23 | pict (rxvt_img *img, XRenderPictFormat *format = 0) |
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24 | : dpy (img->s->display->dpy) |
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25 | { |
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26 | XRenderPictureAttributes pa; |
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27 | pa.repeat = img->repeat; |
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28 | pic = XRenderCreatePicture (dpy, img->pm, format ? format : img->format, CPRepeat, &pa); |
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29 | } |
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30 | |
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31 | ~pict () |
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32 | { |
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33 | if (pic) |
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34 | XRenderFreePicture (dpy, pic); |
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35 | } |
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36 | }; |
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37 | #endif |
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38 | |
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39 | static XRenderPictFormat * |
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40 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
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41 | { |
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42 | if (format->direct.alphaMask) |
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43 | return format; // already has alpha |
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44 | |
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45 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
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46 | if (format->type == PictTypeDirect) |
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47 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
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48 | if (f->direct.alphaMask |
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49 | && f->type == PictTypeDirect |
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50 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
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51 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
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52 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
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53 | return f; |
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54 | |
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55 | // should be a very good fallback |
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56 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
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57 | } |
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58 | |
9 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height) |
59 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
10 | : s(screen), w(width), h(height), format(format), shared(false) |
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11 | { |
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12 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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13 | } |
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14 | |
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15 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
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16 | : s(screen), pm(pixmap), w(width), h(height), format(format), shared(false) |
60 | : s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
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61 | pm(0), ref(0) |
17 | { |
62 | { |
18 | } |
63 | } |
19 | |
64 | |
20 | rxvt_img * |
65 | rxvt_img::rxvt_img (const rxvt_img &img) |
21 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
66 | : 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) |
22 | { |
67 | { |
23 | GError *err; |
68 | ++ref->cnt; |
24 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
69 | } |
25 | |
70 | |
26 | if (!pb) |
71 | rxvt_img * |
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72 | rxvt_img::new_from_root (rxvt_screen *s) |
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73 | { |
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74 | Display *dpy = s->display->dpy; |
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75 | unsigned int root_pm_w, root_pm_h; |
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76 | Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_XROOTPMAP_ID]); |
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77 | if (root_pixmap == None) |
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78 | root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_ESETROOT_PMAP_ID]); |
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79 | |
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80 | if (root_pixmap == None) |
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81 | return 0; |
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82 | |
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83 | Window wdummy; |
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84 | int idummy; |
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85 | unsigned int udummy; |
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86 | |
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87 | if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pm_w, &root_pm_h, &udummy, &udummy)) |
27 | return 0; |
88 | return 0; |
28 | |
89 | |
29 | rxvt_img *img = new rxvt_img ( |
90 | rxvt_img *img = new rxvt_img ( |
30 | s, |
91 | s, |
31 | XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
92 | XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
32 | gdk_pixbuf_get_width (pb), |
93 | 0, |
33 | gdk_pixbuf_get_height (pb) |
94 | 0, |
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95 | root_pm_w, |
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96 | root_pm_h |
34 | ); |
97 | ); |
35 | |
98 | |
36 | img->render (pb, 0, 0, img->w, img->h, 0, 0); |
99 | img->pm = root_pixmap; |
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100 | img->ref = new pixref (root_pm_w, root_pm_h); |
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101 | img->ref->ours = false; |
37 | |
102 | |
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103 | return img; |
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104 | } |
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105 | |
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106 | # if HAVE_PIXBUF |
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107 | |
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108 | rxvt_img * |
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109 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
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110 | { |
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111 | Display *dpy = s->display->dpy; |
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112 | |
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113 | int width = gdk_pixbuf_get_width (pb); |
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114 | int height = gdk_pixbuf_get_height (pb); |
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115 | |
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116 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
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117 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
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118 | |
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119 | // since we require rgb24/argb32 formats from xrender we assume |
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120 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
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121 | |
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122 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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123 | |
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124 | XImage xi; |
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125 | |
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126 | xi.width = width; |
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127 | xi.height = height; |
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128 | xi.xoffset = 0; |
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129 | xi.format = ZPixmap; |
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130 | xi.byte_order = ImageByteOrder (dpy); |
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131 | xi.bitmap_unit = 0; //XY only, unused |
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132 | xi.bitmap_bit_order = 0; //XY only, unused |
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133 | xi.bitmap_pad = BitmapPad (dpy); |
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134 | xi.depth = 32; |
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135 | xi.bytes_per_line = 0; |
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136 | xi.bits_per_pixel = 32; //Z only |
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137 | xi.red_mask = 0x00000000; //Z only, unused |
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138 | xi.green_mask = 0x00000000; //Z only, unused |
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139 | xi.blue_mask = 0x00000000; //Z only, unused |
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140 | xi.obdata = 0; // probably unused |
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141 | |
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142 | bool byte_order_mismatch = byte_order != xi.byte_order; |
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143 | |
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144 | if (!XInitImage (&xi)) |
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145 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
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146 | |
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147 | if (height > INT_MAX / xi.bytes_per_line) |
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148 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
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149 | |
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150 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
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151 | |
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152 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
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153 | bool pb_has_alpha = gdk_pixbuf_get_has_alpha (pb); |
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154 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
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155 | |
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156 | char *line = xi.data; |
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157 | |
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158 | for (int y = 0; y < height; y++) |
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159 | { |
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160 | unsigned char *src = row; |
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161 | uint32_t *dst = (uint32_t *)line; |
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162 | |
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163 | if (!pb_has_alpha) |
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164 | for (int x = 0; x < width; x++) |
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165 | { |
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166 | uint8_t r = *src++; |
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167 | uint8_t g = *src++; |
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168 | uint8_t b = *src++; |
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169 | |
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170 | uint32_t v = (255 << 24) | (r << 16) | (g << 8) | b; |
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171 | |
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172 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
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173 | v = ecb_bswap32 (v); |
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174 | |
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175 | *dst++ = v; |
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176 | } |
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177 | else |
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178 | for (int x = 0; x < width; x++) |
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179 | { |
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180 | uint32_t v = *(uint32_t *)src; src += 4; |
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181 | |
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182 | if (ecb_big_endian ()) |
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183 | v = ecb_bswap32 (v); |
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184 | |
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185 | v = ecb_rotl32 (v, 8); // abgr to bgra |
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186 | |
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187 | if (!byte_order_mismatch) |
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188 | v = ecb_bswap32 (v); |
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189 | |
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190 | *dst++ = v; |
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191 | } |
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192 | |
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193 | row += rowstride; |
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194 | line += xi.bytes_per_line; |
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195 | } |
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196 | |
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197 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, PictStandardARGB32), 0, 0, width, height); |
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198 | img->alloc (); |
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199 | |
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200 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
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201 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
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202 | XFreeGC (dpy, gc); |
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203 | |
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204 | free (xi.data); |
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205 | |
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206 | return img; |
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207 | } |
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208 | |
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209 | rxvt_img * |
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210 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
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211 | { |
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212 | GError *err = 0; |
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213 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
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214 | |
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215 | if (!pb) |
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216 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
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217 | |
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218 | rxvt_img *img = new_from_pixbuf (s, pb); |
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219 | |
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220 | g_object_unref (pb); |
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221 | |
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222 | return img; |
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223 | } |
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224 | |
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225 | # endif |
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226 | |
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227 | void |
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228 | rxvt_img::destroy () |
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229 | { |
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230 | if (--ref->cnt) |
38 | return img; |
231 | return; |
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232 | |
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233 | if (pm && ref->ours) |
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234 | XFreePixmap (s->display->dpy, pm); |
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235 | |
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236 | delete ref; |
39 | } |
237 | } |
40 | |
238 | |
41 | rxvt_img::~rxvt_img () |
239 | rxvt_img::~rxvt_img () |
42 | { |
240 | { |
43 | if (!shared) |
241 | destroy (); |
44 | XFreePixmap (s->display->dpy, pm); |
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45 | } |
242 | } |
46 | |
243 | |
47 | void |
244 | void |
48 | rxvt_img::fill (const rxvt_color &c) |
245 | rxvt_img::alloc () |
49 | { |
246 | { |
50 | XGCValues gcv; |
247 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
51 | gcv.foreground = c; |
248 | ref = new pixref (w, h); |
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249 | } |
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250 | |
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251 | Picture |
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252 | rxvt_img::picture () |
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253 | { |
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254 | Display *dpy = s->display->dpy; |
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255 | |
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256 | XRenderPictureAttributes pa; |
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257 | pa.repeat = repeat; |
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258 | Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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259 | |
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260 | return pic; |
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261 | } |
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262 | |
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263 | void |
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264 | rxvt_img::unshare () |
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265 | { |
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266 | if (ref->cnt == 1 && ref->ours) |
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267 | return; |
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268 | |
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269 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
52 | GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
270 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
53 | XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
271 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
54 | XFreeGC (s->display->dpy, gc); |
272 | XFreeGC (s->display->dpy, gc); |
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273 | |
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274 | destroy (); |
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275 | |
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276 | pm = pm2; |
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277 | ref = new pixref (ref->w, ref->h); |
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278 | } |
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279 | |
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280 | void |
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281 | rxvt_img::fill (const rgba &c) |
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282 | { |
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283 | XRenderColor rc = { c.r, c.g, c.b, c.a }; |
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284 | |
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285 | Display *dpy = s->display->dpy; |
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286 | Picture src = picture (); |
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287 | XRenderFillRectangle (dpy, PictOpSrc, src, &rc, 0, 0, w, h); |
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288 | XRenderFreePicture (dpy, src); |
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289 | } |
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290 | |
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291 | void |
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292 | rxvt_img::add_alpha () |
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293 | { |
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294 | if (format->direct.alphaMask) |
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295 | return; |
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296 | |
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297 | Display *dpy = s->display->dpy; |
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298 | |
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299 | rxvt_img *img = new rxvt_img (s, find_alpha_format_for (dpy, format), x, y, w, h, repeat); |
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300 | img->alloc (); |
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301 | |
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302 | Picture src = picture (); |
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303 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
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304 | |
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305 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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306 | |
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307 | XRenderFreePicture (dpy, src); |
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308 | XRenderFreePicture (dpy, dst); |
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309 | |
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310 | ::swap (img->ref, ref); |
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311 | ::swap (img->pm , pm ); |
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312 | |
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313 | delete img; |
55 | } |
314 | } |
56 | |
315 | |
57 | static void |
316 | static void |
58 | get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
317 | get_gaussian_kernel (int radius, int width, rxvt_img::nv *kernel, XFixed *params) |
59 | { |
318 | { |
60 | double sigma = radius / 2.0; |
319 | rxvt_img::nv sigma = radius / 2.0; |
61 | double scale = sqrt (2.0 * M_PI) * sigma; |
320 | rxvt_img::nv scale = sqrt (2.0 * M_PI) * sigma; |
62 | double sum = 0.0; |
321 | rxvt_img::nv sum = 0.0; |
63 | |
322 | |
64 | for (int i = 0; i < width; i++) |
323 | for (int i = 0; i < width; i++) |
65 | { |
324 | { |
66 | double x = i - width / 2; |
325 | rxvt_img::nv x = i - width / 2; |
67 | kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
326 | kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
68 | sum += kernel[i]; |
327 | sum += kernel[i]; |
69 | } |
328 | } |
70 | |
329 | |
71 | params[0] = XDoubleToFixed (width); |
330 | params[0] = XDoubleToFixed (width); |
… | |
… | |
73 | |
332 | |
74 | for (int i = 0; i < width; i++) |
333 | for (int i = 0; i < width; i++) |
75 | params[i+2] = XDoubleToFixed (kernel[i] / sum); |
334 | params[i+2] = XDoubleToFixed (kernel[i] / sum); |
76 | } |
335 | } |
77 | |
336 | |
78 | void |
337 | rxvt_img * |
79 | rxvt_img::blur (int rh, int rv) |
338 | rxvt_img::blur (int rh, int rv) |
80 | { |
339 | { |
81 | if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
340 | if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
82 | return; |
341 | return clone (); |
83 | |
342 | |
84 | Display *dpy = s->display->dpy; |
343 | Display *dpy = s->display->dpy; |
85 | int size = max (rh, rv) * 2 + 1; |
344 | int size = max (rh, rv) * 2 + 1; |
86 | double *kernel = (double *)malloc (size * sizeof (double)); |
345 | nv *kernel = (nv *)malloc (size * sizeof (nv)); |
87 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
346 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
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347 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
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348 | img->alloc (); |
88 | |
349 | |
89 | XRenderPictureAttributes pa; |
350 | XRenderPictureAttributes pa; |
90 | |
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91 | pa.repeat = RepeatPad; |
351 | pa.repeat = RepeatPad; |
92 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
352 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
|
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353 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
|
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354 | |
93 | Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth); |
355 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
94 | Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa); |
356 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
95 | XFreePixmap (dpy, tmp); |
357 | XFreePixmap (dpy, tmp_pm); |
96 | |
358 | |
97 | if (kernel && params) |
359 | if (kernel && params) |
98 | { |
360 | { |
99 | size = rh * 2 + 1; |
361 | size = rh * 2 + 1; |
100 | get_gaussian_kernel (rh, size, kernel, params); |
362 | get_gaussian_kernel (rh, size, kernel, params); |
101 | |
363 | |
102 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
364 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
103 | XRenderComposite (dpy, |
365 | XRenderComposite (dpy, |
104 | PictOpSrc, |
366 | PictOpSrc, |
105 | src, |
367 | src, |
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368 | None, |
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369 | tmp, |
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370 | 0, 0, |
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371 | 0, 0, |
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372 | 0, 0, |
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373 | w, h); |
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374 | |
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375 | size = rv * 2 + 1; |
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376 | get_gaussian_kernel (rv, size, kernel, params); |
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377 | ::swap (params[0], params[1]); |
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378 | |
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379 | XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
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380 | XRenderComposite (dpy, |
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381 | PictOpSrc, |
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|
382 | tmp, |
106 | None, |
383 | None, |
107 | dst, |
384 | dst, |
108 | 0, 0, |
385 | 0, 0, |
109 | 0, 0, |
386 | 0, 0, |
110 | 0, 0, |
387 | 0, 0, |
111 | w, h); |
388 | w, h); |
112 | |
|
|
113 | ::swap (src, dst); |
|
|
114 | |
|
|
115 | size = rv * 2 + 1; |
|
|
116 | get_gaussian_kernel (rv, size, kernel, params); |
|
|
117 | ::swap (params[0], params[1]); |
|
|
118 | |
|
|
119 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
|
|
120 | XRenderComposite (dpy, |
|
|
121 | PictOpSrc, |
|
|
122 | src, |
|
|
123 | None, |
|
|
124 | dst, |
|
|
125 | 0, 0, |
|
|
126 | 0, 0, |
|
|
127 | 0, 0, |
|
|
128 | w, h); |
|
|
129 | } |
389 | } |
130 | |
390 | |
131 | free (kernel); |
391 | free (kernel); |
132 | free (params); |
392 | free (params); |
133 | XRenderFreePicture (dpy, src); |
393 | |
134 | XRenderFreePicture (dpy, dst); |
394 | XRenderFreePicture (dpy, src); |
|
|
395 | XRenderFreePicture (dpy, dst); |
|
|
396 | XRenderFreePicture (dpy, tmp); |
|
|
397 | |
|
|
398 | return img; |
135 | } |
399 | } |
136 | |
400 | |
137 | static Picture |
401 | static Picture |
138 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
402 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha) |
139 | { |
403 | { |
140 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
404 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
141 | |
405 | |
142 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
406 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
143 | XRenderPictureAttributes pa; |
407 | XRenderPictureAttributes pa; |
144 | pa.repeat = True; |
408 | pa.repeat = RepeatNormal; |
|
|
409 | pa.component_alpha = component_alpha; |
145 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
410 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa); |
146 | |
411 | |
147 | XFreePixmap (dpy, pixmap); |
412 | XFreePixmap (dpy, pixmap); |
148 | |
413 | |
149 | return mask; |
414 | return mask; |
150 | } |
415 | } |
151 | |
416 | |
|
|
417 | static void |
|
|
418 | extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
|
|
419 | { |
|
|
420 | int32_t x = clamp (c, cl0, cl1); |
|
|
421 | c -= x; |
|
|
422 | xc = x; |
|
|
423 | } |
|
|
424 | |
|
|
425 | static bool |
|
|
426 | 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) |
|
|
427 | { |
|
|
428 | extract (cl0, cl1, r, xr); |
|
|
429 | extract (cl0, cl1, g, xg); |
|
|
430 | extract (cl0, cl1, b, xb); |
|
|
431 | extract (cl0, cl1, a, xa); |
|
|
432 | |
|
|
433 | return xr | xg | xb | xa; |
|
|
434 | } |
|
|
435 | |
152 | void |
436 | void |
153 | rxvt_img::brightness (double r, double g, double b, double a) |
437 | rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
154 | { |
438 | { |
|
|
439 | unshare (); |
|
|
440 | |
155 | Display *dpy = s->display->dpy; |
441 | Display *dpy = s->display->dpy; |
156 | Picture src = create_xrender_mask (dpy, pm, True); |
|
|
157 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
442 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
158 | |
443 | |
|
|
444 | // loop should not be needed for brightness, as only -1..1 makes sense |
|
|
445 | //while (r | g | b | a) |
|
|
446 | { |
|
|
447 | unsigned short xr, xg, xb, xa; |
|
|
448 | XRenderColor mask_c; |
|
|
449 | |
|
|
450 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
|
|
451 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
|
|
452 | |
|
|
453 | if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
|
|
454 | { |
|
|
455 | XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
|
|
456 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
|
|
457 | mask_c.red = -mask_c.red; //TODO: verify that doing clamp, assign, and negation does the right thing |
|
|
458 | mask_c.green = -mask_c.green; |
|
|
459 | mask_c.blue = -mask_c.blue; |
|
|
460 | mask_c.alpha = -mask_c.alpha; |
|
|
461 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
|
|
462 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
|
|
463 | } |
|
|
464 | } |
|
|
465 | |
|
|
466 | XRenderFreePicture (dpy, dst); |
|
|
467 | } |
|
|
468 | |
|
|
469 | void |
|
|
470 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
|
|
471 | { |
|
|
472 | if (r < 0 || g < 0 || b < 0 || a < 0) |
|
|
473 | rxvt_fatal ("rxvt_img::contrast does not support negative values.\n"); |
|
|
474 | |
|
|
475 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
|
|
476 | img->alloc (); |
|
|
477 | img->fill (rgba (0, 0, 0, 0)); |
|
|
478 | |
|
|
479 | // premultiply (yeah, these are not exact, sue me or fix it) |
|
|
480 | r = (r * (a >> 8)) >> 8; |
|
|
481 | g = (g * (a >> 8)) >> 8; |
|
|
482 | b = (b * (a >> 8)) >> 8; |
|
|
483 | |
|
|
484 | Display *dpy = s->display->dpy; |
|
|
485 | |
|
|
486 | Picture src = picture (); |
|
|
487 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
|
|
488 | Picture mul = create_xrender_mask (dpy, pm, True, True); |
|
|
489 | |
|
|
490 | //TODO: this operator does not yet implement some useful contrast |
|
|
491 | while (r | g | b | a) |
|
|
492 | { |
|
|
493 | unsigned short xr, xg, xb, xa; |
|
|
494 | XRenderColor mask_c; |
|
|
495 | |
|
|
496 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
|
|
497 | { |
|
|
498 | XRenderFillRectangle (dpy, PictOpSrc, mul, &mask_c, 0, 0, 1, 1); |
|
|
499 | XRenderComposite (dpy, PictOpAdd, src, mul, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
500 | } |
|
|
501 | } |
|
|
502 | |
|
|
503 | XRenderFreePicture (dpy, mul); |
|
|
504 | XRenderFreePicture (dpy, dst); |
|
|
505 | XRenderFreePicture (dpy, src); |
|
|
506 | |
|
|
507 | ::swap (img->ref, ref); |
|
|
508 | ::swap (img->pm , pm ); |
|
|
509 | |
|
|
510 | delete img; |
|
|
511 | } |
|
|
512 | |
|
|
513 | void |
|
|
514 | rxvt_img::draw (rxvt_img *img, int op, nv mask) |
|
|
515 | { |
|
|
516 | unshare (); |
|
|
517 | |
|
|
518 | Display *dpy = s->display->dpy; |
|
|
519 | Picture src = img->picture (); |
|
|
520 | Picture dst = picture (); |
|
|
521 | Picture mask_p = 0; |
|
|
522 | |
|
|
523 | if (mask != 1.) |
|
|
524 | { |
|
|
525 | mask_p = create_xrender_mask (dpy, img->pm, False, False); |
|
|
526 | XRenderColor mask_c = { 0, 0, 0, float_to_component (mask) }; |
|
|
527 | XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
|
|
528 | } |
|
|
529 | |
|
|
530 | XRenderComposite (dpy, op, src, mask_p, dst, x - img->x, y - img->y, 0, 0, 0, 0, w, h); |
|
|
531 | |
|
|
532 | XRenderFreePicture (dpy, src); |
|
|
533 | XRenderFreePicture (dpy, dst); |
|
|
534 | |
|
|
535 | if (mask_p) |
|
|
536 | XRenderFreePicture (dpy, mask_p); |
|
|
537 | } |
|
|
538 | |
|
|
539 | rxvt_img * |
|
|
540 | rxvt_img::clone () |
|
|
541 | { |
|
|
542 | return new rxvt_img (*this); |
|
|
543 | } |
|
|
544 | |
|
|
545 | rxvt_img * |
|
|
546 | rxvt_img::reify () |
|
|
547 | { |
|
|
548 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
|
|
549 | return clone (); |
|
|
550 | |
|
|
551 | Display *dpy = s->display->dpy; |
|
|
552 | |
|
|
553 | // add an alpha channel if... |
|
|
554 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
|
|
555 | && (x || y) // we need one because of non-zero offset |
|
|
556 | && repeat == RepeatNone; // and we have no good pixels to fill with |
|
|
557 | |
|
|
558 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
|
|
559 | img->alloc (); |
|
|
560 | |
|
|
561 | Picture src = picture (); |
|
|
562 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
563 | |
|
|
564 | if (alpha) |
|
|
565 | { |
|
|
566 | XRenderColor rc = { 0, 0, 0, 0 }; |
|
|
567 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
|
|
568 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, x, y, ref->w, ref->h); |
|
|
569 | } |
|
|
570 | else |
|
|
571 | XRenderComposite (dpy, PictOpSrc, src, None, dst, -x, -y, 0, 0, 0, 0, w, h); |
|
|
572 | |
|
|
573 | XRenderFreePicture (dpy, src); |
|
|
574 | XRenderFreePicture (dpy, dst); |
|
|
575 | |
|
|
576 | return img; |
|
|
577 | } |
|
|
578 | |
|
|
579 | rxvt_img * |
|
|
580 | rxvt_img::sub_rect (int x, int y, int width, int height) |
|
|
581 | { |
|
|
582 | rxvt_img *img = clone (); |
|
|
583 | |
|
|
584 | img->x -= x; |
|
|
585 | img->y -= y; |
|
|
586 | |
|
|
587 | if (w != width || h != height) |
|
|
588 | { |
|
|
589 | img->w = width; |
|
|
590 | img->h = height; |
|
|
591 | |
|
|
592 | rxvt_img *img2 = img->reify (); |
|
|
593 | delete img; |
|
|
594 | img = img2; |
|
|
595 | } |
|
|
596 | |
|
|
597 | return img; |
|
|
598 | } |
|
|
599 | |
|
|
600 | static void |
|
|
601 | mat_invert (rxvt_img::nv mat[3][3], rxvt_img::nv (&inv)[3][3]) |
|
|
602 | { |
|
|
603 | rxvt_img::nv s0 = mat [2][2] * mat [1][1] - mat [2][1] * mat [1][2]; |
|
|
604 | rxvt_img::nv s1 = mat [2][1] * mat [0][2] - mat [2][2] * mat [0][1]; |
|
|
605 | rxvt_img::nv s2 = mat [1][2] * mat [0][1] - mat [1][1] * mat [0][2]; |
|
|
606 | |
|
|
607 | rxvt_img::nv invdet = 1. / (mat [0][0] * s0 + mat [1][0] * s1 + mat [2][0] * s2); |
|
|
608 | |
|
|
609 | inv [0][0] = invdet * s0; |
|
|
610 | inv [0][1] = invdet * s1; |
|
|
611 | inv [0][2] = invdet * s2; |
|
|
612 | |
|
|
613 | inv [1][0] = invdet * (mat [2][0] * mat [1][2] - mat [2][2] * mat [1][0]); |
|
|
614 | inv [1][1] = invdet * (mat [2][2] * mat [0][0] - mat [2][0] * mat [0][2]); |
|
|
615 | inv [1][2] = invdet * (mat [1][0] * mat [0][2] - mat [1][2] * mat [0][0]); |
|
|
616 | |
|
|
617 | inv [2][0] = invdet * (mat [2][1] * mat [1][0] - mat [2][0] * mat [1][1]); |
|
|
618 | inv [2][1] = invdet * (mat [2][0] * mat [0][1] - mat [2][1] * mat [0][0]); |
|
|
619 | inv [2][2] = invdet * (mat [1][1] * mat [0][0] - mat [1][0] * mat [0][1]); |
|
|
620 | } |
|
|
621 | |
|
|
622 | static rxvt_img::nv |
|
|
623 | mat_apply (rxvt_img::nv mat[3][3], int i, rxvt_img::nv x, rxvt_img::nv y) |
|
|
624 | { |
|
|
625 | rxvt_img::nv v = mat [i][0] * x + mat [i][1] * y + mat [i][2]; |
|
|
626 | rxvt_img::nv w = mat [2][0] * x + mat [2][1] * y + mat [2][2]; |
|
|
627 | |
|
|
628 | return v * (1. / w); |
|
|
629 | } |
|
|
630 | |
|
|
631 | rxvt_img * |
|
|
632 | rxvt_img::transform (nv matrix[3][3]) |
|
|
633 | { |
|
|
634 | // calculate new pixel bounding box coordinates |
|
|
635 | nv rmin[2], rmax[2]; |
|
|
636 | |
|
|
637 | for (int i = 0; i < 2; ++i) |
|
|
638 | { |
|
|
639 | nv v; |
|
|
640 | v = mat_apply (matrix, i, 0+x, 0+y); rmin [i] = rmax [i] = v; |
|
|
641 | v = mat_apply (matrix, i, w+x, 0+y); min_it (rmin [i], v); max_it (rmax [i], v); |
|
|
642 | v = mat_apply (matrix, i, 0+x, h+y); min_it (rmin [i], v); max_it (rmax [i], v); |
|
|
643 | v = mat_apply (matrix, i, w+x, h+y); min_it (rmin [i], v); max_it (rmax [i], v); |
|
|
644 | } |
|
|
645 | |
|
|
646 | int dx = floor (rmin [0]); |
|
|
647 | int dy = floor (rmin [1]); |
|
|
648 | |
|
|
649 | int new_width = ceil (rmax [0] - dx); |
|
|
650 | int new_height = ceil (rmax [1] - dy); |
|
|
651 | |
|
|
652 | nv inv[3][3]; |
|
|
653 | mat_invert (matrix, inv); |
|
|
654 | |
|
|
655 | rxvt_img *img = new rxvt_img (s, format, dx, dy, new_width, new_height, repeat); |
|
|
656 | img->alloc (); |
|
|
657 | |
|
|
658 | Display *dpy = s->display->dpy; |
|
|
659 | Picture src = picture (); |
|
|
660 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
661 | |
|
|
662 | XTransform xfrm; |
|
|
663 | |
|
|
664 | for (int i = 0; i < 3; ++i) |
|
|
665 | for (int j = 0; j < 3; ++j) |
|
|
666 | xfrm.matrix [i][j] = XDoubleToFixed (inv [i][j]); |
|
|
667 | |
|
|
668 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
|
|
669 | XRenderSetPictureTransform (dpy, src, &xfrm); |
|
|
670 | XRenderComposite (dpy, PictOpSrc, src, None, dst, dx, dy, 0, 0, 0, 0, new_width, new_height); |
|
|
671 | |
|
|
672 | XRenderFreePicture (dpy, src); |
|
|
673 | XRenderFreePicture (dpy, dst); |
|
|
674 | |
|
|
675 | return img; |
|
|
676 | } |
|
|
677 | |
|
|
678 | rxvt_img * |
|
|
679 | rxvt_img::scale (int new_width, int new_height) |
|
|
680 | { |
|
|
681 | if (w == new_width && h == new_height) |
|
|
682 | return clone (); |
|
|
683 | |
|
|
684 | nv matrix[3][3] = { |
|
|
685 | { new_width / (nv)w, 0, 0 }, |
|
|
686 | { 0, new_height / (nv)h, 0 }, |
|
|
687 | { 0, 0, 1 } |
|
|
688 | }; |
|
|
689 | |
|
|
690 | int old_repeat_mode = repeat; |
|
|
691 | repeat = RepeatPad; // not right, but xrender can't properly scale it seems |
|
|
692 | |
|
|
693 | rxvt_img *img = transform (matrix); |
|
|
694 | |
|
|
695 | repeat = old_repeat_mode; |
|
|
696 | img->repeat = repeat; |
|
|
697 | |
|
|
698 | return img; |
|
|
699 | } |
|
|
700 | |
|
|
701 | rxvt_img * |
|
|
702 | rxvt_img::rotate (int cx, int cy, nv phi) |
|
|
703 | { |
|
|
704 | nv s = sin (phi); |
|
|
705 | nv c = cos (phi); |
|
|
706 | |
|
|
707 | nv matrix[3][3] = { |
|
|
708 | { c, -s, cx - c * cx + s * cy + 200 }, |
|
|
709 | { s, c, cy - s * cx - c * cy }, |
|
|
710 | { 0, 0, 1 } |
|
|
711 | //{ c, -s, 0 }, |
|
|
712 | //{ s, c, 0 }, |
|
|
713 | //{ 0, 0, 1 } |
|
|
714 | }; |
|
|
715 | |
|
|
716 | //move (-cx, -cy); |
|
|
717 | rxvt_img *img = transform (matrix); |
|
|
718 | //move ( cx, cy); |
|
|
719 | //img->move (cx, cy); |
|
|
720 | |
|
|
721 | return img; |
|
|
722 | } |
|
|
723 | |
|
|
724 | rxvt_img * |
|
|
725 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rgba &bg) |
|
|
726 | { |
|
|
727 | if (new_format == format) |
|
|
728 | return clone (); |
|
|
729 | |
|
|
730 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
|
|
731 | img->alloc (); |
|
|
732 | |
|
|
733 | Display *dpy = s->display->dpy; |
|
|
734 | Picture src = picture (); |
|
|
735 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
|
|
736 | int op = PictOpSrc; |
|
|
737 | |
|
|
738 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
|
|
739 | { |
|
|
740 | // does it have to be that complicated |
|
|
741 | XRenderColor rc = { bg.r, bg.g, bg.b, bg.a }; |
|
|
742 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
|
|
743 | |
|
|
744 | op = PictOpOver; |
|
|
745 | } |
|
|
746 | |
|
|
747 | XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
748 | |
|
|
749 | XRenderFreePicture (dpy, src); |
|
|
750 | XRenderFreePicture (dpy, dst); |
|
|
751 | |
|
|
752 | return img; |
|
|
753 | } |
|
|
754 | |
|
|
755 | rxvt_img * |
|
|
756 | rxvt_img::blend (rxvt_img *img, nv factor) |
|
|
757 | { |
|
|
758 | rxvt_img *img2 = clone (); |
|
|
759 | Display *dpy = s->display->dpy; |
|
|
760 | Picture src = img->picture (); |
|
|
761 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
|
|
762 | Picture mask = create_xrender_mask (dpy, img->pm, False, False); |
|
|
763 | |
159 | XRenderColor mask_c; |
764 | XRenderColor mask_c; |
160 | mask_c.red = float_to_component (r); |
765 | |
161 | mask_c.green = float_to_component (g); |
|
|
162 | mask_c.blue = float_to_component (b); |
|
|
163 | mask_c.alpha = float_to_component (a); |
766 | mask_c.alpha = float_to_component (factor); |
|
|
767 | mask_c.red = |
|
|
768 | mask_c.green = |
|
|
769 | mask_c.blue = 0; |
164 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
770 | XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
165 | |
771 | |
166 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
167 | } |
|
|
168 | |
|
|
169 | void |
|
|
170 | rxvt_img::contrast (double r, double g, double b, double a) |
|
|
171 | { |
|
|
172 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
|
|
173 | return; |
|
|
174 | |
|
|
175 | Display *dpy = s->display->dpy; |
|
|
176 | Picture src = create_xrender_mask (dpy, pm, True); |
|
|
177 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
|
|
178 | |
|
|
179 | XRenderColor mask_c; |
|
|
180 | mask_c.red = float_to_component (r); |
|
|
181 | mask_c.green = float_to_component (g); |
|
|
182 | mask_c.blue = float_to_component (b); |
|
|
183 | mask_c.alpha = float_to_component (a); |
|
|
184 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
|
|
185 | |
|
|
186 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
187 | } |
|
|
188 | |
|
|
189 | void |
|
|
190 | rxvt_img::render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
|
|
191 | { |
|
|
192 | //TODO |
|
|
193 | } |
|
|
194 | |
|
|
195 | rxvt_img * |
|
|
196 | rxvt_img::copy () |
|
|
197 | { |
|
|
198 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
|
|
199 | Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth); |
|
|
200 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0); |
|
|
201 | XFreeGC (s->display->dpy, gc); |
|
|
202 | return new rxvt_img (s, format, w, h, pm2); |
|
|
203 | } |
|
|
204 | |
|
|
205 | rxvt_img * |
|
|
206 | rxvt_img::transform (int new_width, int new_height, double matrix[16]) |
|
|
207 | { |
|
|
208 | //TODO |
|
|
209 | } |
|
|
210 | |
|
|
211 | rxvt_img * |
|
|
212 | rxvt_img::scale (int new_width, int new_height) |
|
|
213 | { |
|
|
214 | // use transform |
|
|
215 | //TODO |
|
|
216 | } |
|
|
217 | |
|
|
218 | rxvt_img * |
|
|
219 | rxvt_img::convert_to (XRenderPictFormat *new_format) |
|
|
220 | { |
|
|
221 | rxvt_img *img = new rxvt_img (s,new_format,w, h); |
|
|
222 | |
|
|
223 | Display *dpy = s->display->dpy; |
|
|
224 | Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); |
|
|
225 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
|
|
226 | |
|
|
227 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
772 | XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
228 | |
773 | |
229 | XRenderFreePicture (dpy, src); |
|
|
230 | XRenderFreePicture (dpy, dst); |
774 | XRenderFreePicture (dpy, src); |
|
|
775 | XRenderFreePicture (dpy, dst); |
|
|
776 | XRenderFreePicture (dpy, mask); |
231 | |
777 | |
232 | return img; |
778 | return img2; |
233 | } |
779 | } |
234 | |
780 | |
235 | #endif |
781 | #endif |
236 | |
782 | |