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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 | #define float_to_component(d) ((d) * 65535.99) |
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8 | |
6 | rxvt_img::rxvt_img (rxvt_screen *screen, Pixmap *pm, XRenderPictFormat *format, int width, int height) |
9 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height) |
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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) |
7 | : s(screen), pm(pixmap) w(width), h(height), format(format) |
16 | : s(screen), pm(pixmap), w(width), h(height), format(format), shared(false) |
8 | { |
17 | { |
9 | } |
18 | } |
10 | |
19 | |
11 | rxvt_img::rxvt_img (rxvt_screen *screen, GdkPixbuf *pixbuf, |
20 | rxvt_img * |
12 | int x, int y, int width, int height) |
21 | rxvt_img::new_from_root (rxvt_screen *s) |
13 | : s(screen), w(width), h(height) |
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14 | { |
22 | { |
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23 | Display *dpy = s->display->dpy; |
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24 | unsigned int root_pm_w, root_pm_h; |
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25 | Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_XROOTPMAP_ID]); |
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26 | if (root_pixmap == None) |
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27 | root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_ESETROOT_PMAP_ID]); |
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28 | |
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29 | if (root_pixmap == None) |
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30 | return 0; |
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31 | |
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32 | Window wdummy; |
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33 | int idummy; |
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34 | unsigned int udummy; |
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35 | |
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36 | if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pm_w, &root_pm_h, &udummy, &udummy)) |
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37 | return 0; |
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38 | |
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39 | rxvt_img *img = new rxvt_img ( |
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40 | s, |
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41 | XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
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42 | root_pm_w, |
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43 | root_pm_h, |
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44 | root_pixmap |
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45 | ); |
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46 | |
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47 | img->shared = true; |
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48 | |
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49 | return img; |
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50 | } |
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51 | |
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52 | rxvt_img * |
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53 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
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54 | { |
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55 | GError *err = 0; |
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56 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
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57 | |
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58 | if (!pb) |
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59 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
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60 | |
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61 | rxvt_img *img = new rxvt_img ( |
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62 | s, |
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63 | XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
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64 | gdk_pixbuf_get_width (pb), |
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65 | gdk_pixbuf_get_height (pb) |
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66 | ); |
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67 | |
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68 | img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); |
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69 | |
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70 | g_object_unref (pb); |
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71 | |
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72 | return img; |
15 | } |
73 | } |
16 | |
74 | |
17 | rxvt_img::~rxvt_img () |
75 | rxvt_img::~rxvt_img () |
18 | { |
76 | { |
19 | if (pm) |
77 | if (!shared) |
20 | XFreePixmap (s->display->dpy, pm); |
78 | XFreePixmap (s->display->dpy, pm); |
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79 | } |
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80 | |
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81 | void |
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82 | rxvt_img::unshare () |
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83 | { |
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84 | if (!shared) |
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85 | return; |
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86 | |
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87 | rxvt_img *img = clone (); |
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88 | |
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89 | ::swap (pm , img->pm); |
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90 | ::swap (shared, img->shared); |
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91 | |
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92 | delete img; |
21 | } |
93 | } |
22 | |
94 | |
23 | void |
95 | void |
24 | rxvt_img::fill (const rxvt_color &c) |
96 | rxvt_img::fill (const rxvt_color &c) |
25 | { |
97 | { |
26 | XGCValues gcv; |
98 | XGCValues gcv; |
27 | gcv.foreground = c; |
99 | gcv.foreground = c; |
28 | GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
100 | GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
29 | XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
101 | XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
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102 | XFreeGC (s->display->dpy, gc); |
30 | } |
103 | } |
31 | |
104 | |
32 | rxvt_img *copy () |
105 | static void |
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106 | get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
33 | { |
107 | { |
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108 | double sigma = radius / 2.0; |
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109 | double scale = sqrt (2.0 * M_PI) * sigma; |
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110 | double sum = 0.0; |
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111 | |
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112 | for (int i = 0; i < width; i++) |
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113 | { |
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114 | double x = i - width / 2; |
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115 | kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
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116 | sum += kernel[i]; |
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117 | } |
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118 | |
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119 | params[0] = XDoubleToFixed (width); |
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120 | params[1] = XDoubleToFixed (1); |
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121 | |
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122 | for (int i = 0; i < width; i++) |
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123 | params[i+2] = XDoubleToFixed (kernel[i] / sum); |
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124 | } |
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125 | |
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126 | rxvt_img * |
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127 | rxvt_img::blur (int rh, int rv) |
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128 | { |
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129 | if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
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130 | return clone (); |
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131 | |
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132 | Display *dpy = s->display->dpy; |
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133 | int size = max (rh, rv) * 2 + 1; |
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134 | double *kernel = (double *)malloc (size * sizeof (double)); |
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135 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
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136 | rxvt_img *img = new rxvt_img (s, format, w, h); |
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137 | |
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138 | XRenderPictureAttributes pa; |
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139 | |
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140 | pa.repeat = RepeatPad; |
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141 | Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa); |
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142 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
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143 | |
34 | Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, depth); |
144 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
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145 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
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146 | XFreePixmap (dpy, tmp_pm); |
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147 | |
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148 | if (kernel && params) |
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149 | { |
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150 | size = rh * 2 + 1; |
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151 | get_gaussian_kernel (rh, size, kernel, params); |
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152 | |
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153 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
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154 | XRenderComposite (dpy, |
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155 | PictOpSrc, |
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156 | src, |
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157 | None, |
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158 | tmp, |
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159 | 0, 0, |
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160 | 0, 0, |
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161 | 0, 0, |
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162 | w, h); |
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163 | |
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164 | size = rv * 2 + 1; |
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165 | get_gaussian_kernel (rv, size, kernel, params); |
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166 | ::swap (params[0], params[1]); |
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167 | |
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168 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
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169 | XRenderComposite (dpy, |
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170 | PictOpSrc, |
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171 | tmp, |
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172 | None, |
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173 | dst, |
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174 | 0, 0, |
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175 | 0, 0, |
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176 | 0, 0, |
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177 | w, h); |
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178 | } |
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179 | |
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180 | free (kernel); |
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181 | free (params); |
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182 | XRenderFreePicture (dpy, src); |
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183 | XRenderFreePicture (dpy, dst); |
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184 | XRenderFreePicture (dpy, tmp); |
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185 | |
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186 | return img; |
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187 | } |
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188 | |
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189 | static Picture |
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190 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
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191 | { |
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192 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
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193 | |
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194 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
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195 | XRenderPictureAttributes pa; |
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196 | pa.repeat = True; |
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197 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
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198 | |
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199 | XFreePixmap (dpy, pixmap); |
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200 | |
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201 | return mask; |
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202 | } |
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203 | |
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204 | void |
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205 | rxvt_img::brightness (double r, double g, double b, double a) |
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206 | { |
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207 | Display *dpy = s->display->dpy; |
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208 | Picture src = create_xrender_mask (dpy, pm, True); |
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209 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
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210 | |
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211 | XRenderColor mask_c; |
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212 | mask_c.red = float_to_component (r); |
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213 | mask_c.green = float_to_component (g); |
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214 | mask_c.blue = float_to_component (b); |
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215 | mask_c.alpha = float_to_component (a); |
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216 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
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217 | |
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218 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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219 | |
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220 | XRenderFreePicture (dpy, src); |
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221 | XRenderFreePicture (dpy, dst); |
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222 | } |
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223 | |
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224 | void |
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225 | rxvt_img::contrast (double r, double g, double b, double a) |
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226 | { |
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227 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
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228 | return; |
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229 | |
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230 | Display *dpy = s->display->dpy; |
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231 | Picture src = create_xrender_mask (dpy, pm, True); |
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232 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
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233 | |
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234 | XRenderColor mask_c; |
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235 | mask_c.red = float_to_component (r); |
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236 | mask_c.green = float_to_component (g); |
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237 | mask_c.blue = float_to_component (b); |
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238 | mask_c.alpha = float_to_component (a); |
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239 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
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240 | |
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241 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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242 | |
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243 | XRenderFreePicture (dpy, src); |
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244 | XRenderFreePicture (dpy, dst); |
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245 | } |
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246 | |
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247 | bool |
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248 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
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249 | { |
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250 | Display *dpy = s->display->dpy; |
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251 | |
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252 | if (s->visual->c_class != TrueColor) |
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253 | return false; |
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254 | |
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255 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
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256 | |
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257 | red_mask = (uint32_t)format->direct.redMask << format->direct.red; |
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258 | green_mask = (uint32_t)format->direct.greenMask << format->direct.green; |
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259 | blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; |
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260 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
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261 | |
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262 | int width_r = ecb_popcount32 (red_mask); |
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263 | int width_g = ecb_popcount32 (green_mask); |
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264 | int width_b = ecb_popcount32 (blue_mask); |
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265 | int width_a = ecb_popcount32 (alpha_mask); |
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266 | |
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267 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
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268 | return false; |
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269 | |
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270 | int sh_r = ecb_ctz32 (red_mask); |
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271 | int sh_g = ecb_ctz32 (green_mask); |
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272 | int sh_b = ecb_ctz32 (blue_mask); |
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273 | int sh_a = ecb_ctz32 (alpha_mask); |
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274 | |
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275 | if (width > 32767 || height > 32767) |
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276 | return false; |
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277 | |
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278 | XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
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279 | width, height, 32, 0); |
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280 | if (!ximage) |
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281 | return false; |
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282 | |
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283 | if (height > INT_MAX / ximage->bytes_per_line |
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284 | || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
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285 | { |
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286 | XDestroyImage (ximage); |
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287 | return false; |
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288 | } |
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289 | |
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290 | GC gc = XCreateGC (dpy, pm, 0, 0); |
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291 | |
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292 | ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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293 | |
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294 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
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295 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
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296 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
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297 | char *line = ximage->data; |
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298 | |
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299 | for (int y = 0; y < height; y++) |
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300 | { |
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301 | for (int x = 0; x < width; x++) |
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302 | { |
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303 | unsigned char *pixel = row + x * channels; |
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304 | uint32_t value; |
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305 | unsigned char r, g, b, a; |
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306 | |
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307 | if (channels == 4) |
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308 | { |
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309 | a = pixel[3]; |
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310 | r = pixel[0] * a / 0xff; |
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311 | g = pixel[1] * a / 0xff; |
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312 | b = pixel[2] * a / 0xff; |
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313 | } |
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314 | else |
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315 | { |
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316 | a = 0xff; |
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317 | r = pixel[0]; |
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318 | g = pixel[1]; |
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319 | b = pixel[2]; |
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320 | } |
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321 | |
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322 | value = ((r >> (8 - width_r)) << sh_r) |
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323 | | ((g >> (8 - width_g)) << sh_g) |
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324 | | ((b >> (8 - width_b)) << sh_b) |
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325 | | ((a >> (8 - width_a)) << sh_a); |
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326 | |
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327 | if (ximage->bits_per_pixel == 32) |
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328 | ((uint32_t *)line)[x] = value; |
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329 | else |
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330 | XPutPixel (ximage, x, y, value); |
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331 | } |
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332 | |
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333 | row += rowstride; |
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334 | line += ximage->bytes_per_line; |
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335 | } |
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336 | |
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337 | XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
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338 | XDestroyImage (ximage); |
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339 | XFreeGC (dpy, gc); |
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340 | |
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341 | return true; |
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342 | } |
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343 | |
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344 | rxvt_img * |
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345 | rxvt_img::clone () |
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346 | { |
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347 | rxvt_img *img = new rxvt_img (s, format, w, h); |
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348 | |
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349 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
35 | XCopyArea (s->display->dpy, pm, pm2, 0, 0, w, h, 0, 0); |
350 | XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0); |
36 | return new rxvt_img (s, pm2, format, w, h); |
351 | XFreeGC (s->display->dpy, gc); |
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352 | |
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353 | return img; |
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354 | } |
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355 | |
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356 | rxvt_img * |
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357 | rxvt_img::sub_rect (int x, int y, int width, int height, int repeat) |
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358 | { |
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359 | rxvt_img *img = new rxvt_img (s, format, width, height); |
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360 | |
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361 | Display *dpy = s->display->dpy; |
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362 | XRenderPictureAttributes pa; |
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363 | pa.repeat = repeat; |
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364 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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365 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
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366 | |
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367 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height); |
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368 | |
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369 | XRenderFreePicture (dpy, src); |
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370 | XRenderFreePicture (dpy, dst); |
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371 | |
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372 | return img; |
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373 | } |
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374 | |
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375 | rxvt_img * |
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376 | rxvt_img::transform (int new_width, int new_height, double matrix[9], int repeat) |
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377 | { |
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378 | rxvt_img *img = new rxvt_img (s, format, new_width, new_height); |
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379 | |
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380 | Display *dpy = s->display->dpy; |
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381 | XRenderPictureAttributes pa; |
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382 | pa.repeat = repeat; |
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383 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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384 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
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385 | |
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386 | XTransform xfrm; |
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387 | |
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388 | for (int i = 0; i < 3; ++i) |
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389 | for (int j = 0; j < 3; ++j) |
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390 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
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391 | |
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392 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
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393 | XRenderSetPictureTransform (dpy, src, &xfrm); |
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394 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
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395 | |
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396 | XRenderFreePicture (dpy, src); |
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397 | XRenderFreePicture (dpy, dst); |
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398 | |
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399 | return img; |
|
|
400 | } |
|
|
401 | |
|
|
402 | rxvt_img * |
|
|
403 | rxvt_img::scale (int new_width, int new_height) |
|
|
404 | { |
|
|
405 | double matrix[9] = { |
|
|
406 | w / (double)new_width, 0, 0, |
|
|
407 | 0, h / (double)new_height, 0, |
|
|
408 | 0, 0, 1 |
|
|
409 | }; |
|
|
410 | |
|
|
411 | return transform (new_width, new_height, matrix); |
|
|
412 | } |
|
|
413 | |
|
|
414 | rxvt_img * |
|
|
415 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat) |
|
|
416 | { |
|
|
417 | double s = sin (phi); |
|
|
418 | double c = cos (phi); |
|
|
419 | |
|
|
420 | double matrix[9] = { |
|
|
421 | c, -s, -c * x + s * y + x, |
|
|
422 | s, c, -s * x - c * y + y, |
|
|
423 | 0, 0, 1 |
|
|
424 | }; |
|
|
425 | |
|
|
426 | return transform (new_width, new_height, matrix, repeat); |
|
|
427 | } |
|
|
428 | |
|
|
429 | rxvt_img * |
|
|
430 | rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg) |
|
|
431 | { |
|
|
432 | rxvt_img *img = new rxvt_img (s, new_format, w, h); |
|
|
433 | |
|
|
434 | Display *dpy = s->display->dpy; |
|
|
435 | Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); |
|
|
436 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
|
|
437 | int op = PictOpSrc; |
|
|
438 | |
|
|
439 | printf ("fa %x,%x fb %x,%x\n", f->direct.alpha, f->direct.alpha_mask, new_format->direct.alpha, new_format->direct.alpha_mask);//D |
|
|
440 | |
|
|
441 | if (f->direct.alpha && !new_format->direct.alpha) |
|
|
442 | { |
|
|
443 | // does it have to be that complicated |
|
|
444 | rgba c; |
|
|
445 | bg.get (c); |
|
|
446 | |
|
|
447 | XRenderColor rc = { c.r, c.g, c.b, 0xffff }; |
|
|
448 | |
|
|
449 | XRenderFillRectangle (dpy, PictOpSrc, dst, &mask_c, 0, 0, w, h); |
|
|
450 | |
|
|
451 | op = PictOpOver; |
|
|
452 | } |
|
|
453 | |
|
|
454 | XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
455 | |
|
|
456 | XRenderFreePicture (dpy, src); |
|
|
457 | XRenderFreePicture (dpy, dst); |
|
|
458 | |
|
|
459 | return img; |
|
|
460 | } |
|
|
461 | |
|
|
462 | rxvt_img * |
|
|
463 | rxvt_img::blend (rxvt_img *img, double factor) |
|
|
464 | { |
|
|
465 | rxvt_img *img2 = clone (); |
|
|
466 | Display *dpy = s->display->dpy; |
|
|
467 | Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
468 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
|
|
469 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
|
|
470 | |
|
|
471 | XRenderColor mask_c; |
|
|
472 | |
|
|
473 | mask_c.alpha = float_to_component (factor); |
|
|
474 | mask_c.red = |
|
|
475 | mask_c.green = |
|
|
476 | mask_c.blue = 0; |
|
|
477 | XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
|
|
478 | |
|
|
479 | XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
480 | |
|
|
481 | XRenderFreePicture (dpy, src); |
|
|
482 | XRenderFreePicture (dpy, dst); |
|
|
483 | XRenderFreePicture (dpy, mask); |
|
|
484 | |
|
|
485 | return img2; |
37 | } |
486 | } |
38 | |
487 | |
39 | #endif |
488 | #endif |
40 | |
489 | |