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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 | |
6 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height) |
7 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
7 | : s(screen), w(width), h(height), format(format), shared(false) |
8 | : s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
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9 | pm(0), ref(0) |
8 | { |
10 | { |
9 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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10 | } |
11 | } |
11 | |
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 |
12 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
20 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
13 | : s(screen), pm(pixmap), w(width), h(height), format(format), shared(false) |
21 | : s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap) |
14 | { |
22 | { |
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23 | } |
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24 | #endif |
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25 | |
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26 | rxvt_img * |
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27 | rxvt_img::new_from_root (rxvt_screen *s) |
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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; |
15 | } |
59 | } |
16 | |
60 | |
17 | rxvt_img * |
61 | rxvt_img * |
18 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
62 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
19 | { |
63 | { |
20 | GError *err; |
64 | GError *err = 0; |
21 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
65 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
22 | |
66 | |
23 | if (!pb) |
67 | if (!pb) |
24 | return 0; |
68 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
25 | |
69 | |
26 | rxvt_img *img = new rxvt_img ( |
70 | rxvt_img *img = new rxvt_img ( |
27 | s, |
71 | s, |
28 | XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
72 | XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
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73 | 0, |
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74 | 0, |
29 | gdk_pixbuf_get_width (pb), |
75 | gdk_pixbuf_get_width (pb), |
30 | gdk_pixbuf_get_height (pb) |
76 | gdk_pixbuf_get_height (pb) |
31 | ); |
77 | ); |
32 | |
78 | img->alloc (); |
33 | img->render (pb, 0, 0, img->w, img->h, 0, 0); |
79 | img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); |
34 | |
80 | |
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81 | g_object_unref (pb); |
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82 | |
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83 | return img; |
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84 | } |
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85 | |
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86 | void |
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87 | rxvt_img::destroy () |
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88 | { |
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89 | if (--ref->cnt) |
35 | return img; |
90 | return; |
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91 | |
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92 | if (pm && ref->ours) |
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93 | XFreePixmap (s->display->dpy, pm); |
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94 | |
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95 | delete ref; |
36 | } |
96 | } |
37 | |
97 | |
38 | rxvt_img::~rxvt_img () |
98 | rxvt_img::~rxvt_img () |
39 | { |
99 | { |
40 | if (!shared) |
100 | destroy (); |
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101 | } |
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102 | |
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103 | void |
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104 | rxvt_img::alloc () |
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105 | { |
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106 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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107 | ref = new pixref (w, h); |
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108 | } |
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109 | |
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110 | Picture |
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111 | rxvt_img::src_picture () |
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112 | { |
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113 | Display *dpy = s->display->dpy; |
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114 | |
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115 | XRenderPictureAttributes pa; |
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116 | pa.repeat = repeat; |
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117 | Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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118 | |
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119 | return pic; |
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120 | } |
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121 | |
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122 | void |
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123 | rxvt_img::unshare () |
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124 | { |
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125 | if (ref->cnt == 1 && ref->ours) |
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126 | return; |
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127 | |
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128 | //TODO: maybe should reify instead |
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129 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
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130 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
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131 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
41 | XFreePixmap (s->display->dpy, pm); |
132 | XFreeGC (s->display->dpy, gc); |
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133 | |
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134 | destroy (); |
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135 | |
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136 | pm = pm2; |
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137 | ref = new pixref (ref->w, ref->h); |
42 | } |
138 | } |
43 | |
139 | |
44 | void |
140 | void |
45 | rxvt_img::fill (const rxvt_color &c) |
141 | rxvt_img::fill (const rxvt_color &c) |
46 | { |
142 | { |
… | |
… | |
49 | GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
145 | GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
50 | XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
146 | XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
51 | XFreeGC (s->display->dpy, gc); |
147 | XFreeGC (s->display->dpy, gc); |
52 | } |
148 | } |
53 | |
149 | |
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150 | static void |
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151 | get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
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152 | { |
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153 | double sigma = radius / 2.0; |
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154 | double scale = sqrt (2.0 * M_PI) * sigma; |
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155 | double sum = 0.0; |
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156 | |
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157 | for (int i = 0; i < width; i++) |
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158 | { |
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159 | double x = i - width / 2; |
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160 | kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
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161 | sum += kernel[i]; |
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162 | } |
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163 | |
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164 | params[0] = XDoubleToFixed (width); |
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165 | params[1] = XDoubleToFixed (1); |
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166 | |
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167 | for (int i = 0; i < width; i++) |
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168 | params[i+2] = XDoubleToFixed (kernel[i] / sum); |
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169 | } |
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170 | |
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171 | rxvt_img * |
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172 | rxvt_img::blur (int rh, int rv) |
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173 | { |
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174 | if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
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175 | return clone (); |
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176 | |
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177 | Display *dpy = s->display->dpy; |
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178 | int size = max (rh, rv) * 2 + 1; |
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179 | double *kernel = (double *)malloc (size * sizeof (double)); |
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180 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
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181 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
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182 | img->alloc (); |
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183 | |
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184 | Picture src = src_picture (); |
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185 | |
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186 | XRenderPictureAttributes pa; |
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187 | pa.repeat = RepeatPad; |
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188 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
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189 | |
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190 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
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191 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
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192 | XFreePixmap (dpy, tmp_pm); |
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193 | |
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194 | if (kernel && params) |
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195 | { |
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196 | size = rh * 2 + 1; |
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197 | get_gaussian_kernel (rh, size, kernel, params); |
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198 | |
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199 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
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200 | XRenderComposite (dpy, |
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201 | PictOpSrc, |
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202 | src, |
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203 | None, |
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204 | tmp, |
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205 | 0, 0, |
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206 | 0, 0, |
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207 | 0, 0, |
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208 | w, h); |
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209 | |
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210 | size = rv * 2 + 1; |
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211 | get_gaussian_kernel (rv, size, kernel, params); |
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212 | ::swap (params[0], params[1]); |
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213 | |
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214 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
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215 | XRenderComposite (dpy, |
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216 | PictOpSrc, |
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217 | tmp, |
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218 | None, |
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219 | dst, |
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220 | 0, 0, |
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221 | 0, 0, |
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222 | 0, 0, |
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223 | w, h); |
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224 | } |
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225 | |
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226 | free (kernel); |
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227 | free (params); |
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228 | XRenderFreePicture (dpy, src); |
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229 | XRenderFreePicture (dpy, dst); |
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230 | XRenderFreePicture (dpy, tmp); |
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231 | |
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232 | return img; |
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233 | } |
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234 | |
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235 | static Picture |
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236 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
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237 | { |
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238 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
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239 | |
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240 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
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241 | XRenderPictureAttributes pa; |
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242 | pa.repeat = True; |
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243 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
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244 | |
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245 | XFreePixmap (dpy, pixmap); |
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246 | |
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247 | return mask; |
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248 | } |
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249 | |
54 | void |
250 | void |
55 | rxvt_img::blur (int rh, int rv) |
251 | rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
56 | { |
252 | { |
57 | //TODO |
253 | Display *dpy = s->display->dpy; |
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254 | Picture src = create_xrender_mask (dpy, pm, True); |
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255 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
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256 | |
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257 | XRenderColor mask_c; |
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258 | mask_c.red = r; |
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259 | mask_c.green = g; |
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260 | mask_c.blue = b; |
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261 | mask_c.alpha = a; |
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262 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
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263 | |
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264 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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265 | |
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266 | XRenderFreePicture (dpy, src); |
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267 | XRenderFreePicture (dpy, dst); |
58 | } |
268 | } |
59 | |
269 | |
60 | void |
270 | void |
61 | rxvt_img::brightness (double r, double g, double b, double a) |
271 | rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
62 | { |
272 | { |
63 | //TODO |
273 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
64 | } |
274 | return; |
65 | |
275 | |
66 | void |
276 | Display *dpy = s->display->dpy; |
67 | rxvt_img::contrast (double r, double g, double b, double a) |
277 | Picture src = create_xrender_mask (dpy, pm, True); |
68 | { |
278 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
69 | //TODO |
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70 | } |
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71 | |
279 | |
72 | void |
280 | XRenderColor mask_c; |
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281 | mask_c.red = r; |
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282 | mask_c.green = g; |
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283 | mask_c.blue = b; |
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284 | mask_c.alpha = a; |
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285 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
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286 | |
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287 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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288 | |
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289 | XRenderFreePicture (dpy, src); |
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290 | XRenderFreePicture (dpy, dst); |
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291 | } |
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292 | |
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293 | bool |
73 | rxvt_img::render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
294 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
74 | { |
295 | { |
75 | //TODO |
296 | Display *dpy = s->display->dpy; |
76 | } |
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77 | |
297 | |
78 | rxvt_img * |
298 | if (s->visual->c_class != TrueColor) |
79 | rxvt_img::copy () |
299 | return false; |
80 | { |
300 | |
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301 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
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302 | |
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303 | red_mask = (uint32_t)format->direct.redMask << format->direct.red; |
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304 | green_mask = (uint32_t)format->direct.greenMask << format->direct.green; |
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305 | blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; |
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306 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
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307 | |
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308 | int width_r = ecb_popcount32 (red_mask); |
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309 | int width_g = ecb_popcount32 (green_mask); |
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310 | int width_b = ecb_popcount32 (blue_mask); |
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311 | int width_a = ecb_popcount32 (alpha_mask); |
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312 | |
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313 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
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314 | return false; |
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315 | |
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316 | int sh_r = ecb_ctz32 (red_mask); |
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317 | int sh_g = ecb_ctz32 (green_mask); |
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318 | int sh_b = ecb_ctz32 (blue_mask); |
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319 | int sh_a = ecb_ctz32 (alpha_mask); |
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320 | |
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321 | if (width > 32767 || height > 32767) |
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322 | return false; |
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323 | |
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324 | XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
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325 | width, height, 32, 0); |
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326 | if (!ximage) |
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327 | return false; |
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328 | |
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329 | if (height > INT_MAX / ximage->bytes_per_line |
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330 | || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
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331 | { |
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332 | XDestroyImage (ximage); |
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333 | return false; |
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334 | } |
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335 | |
81 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
336 | GC gc = XCreateGC (dpy, pm, 0, 0); |
82 | Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth); |
337 | |
83 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0); |
338 | ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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339 | |
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340 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
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341 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
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342 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
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343 | char *line = ximage->data; |
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344 | |
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345 | for (int y = 0; y < height; y++) |
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346 | { |
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347 | for (int x = 0; x < width; x++) |
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348 | { |
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349 | unsigned char *pixel = row + x * channels; |
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350 | uint32_t value; |
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351 | unsigned char r, g, b, a; |
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352 | |
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353 | if (channels == 4) |
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354 | { |
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355 | a = pixel[3]; |
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356 | r = pixel[0] * a / 0xff; |
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357 | g = pixel[1] * a / 0xff; |
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358 | b = pixel[2] * a / 0xff; |
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359 | } |
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360 | else |
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361 | { |
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362 | a = 0xff; |
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363 | r = pixel[0]; |
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364 | g = pixel[1]; |
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365 | b = pixel[2]; |
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366 | } |
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367 | |
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368 | value = ((r >> (8 - width_r)) << sh_r) |
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369 | | ((g >> (8 - width_g)) << sh_g) |
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370 | | ((b >> (8 - width_b)) << sh_b) |
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371 | | ((a >> (8 - width_a)) << sh_a); |
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372 | |
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373 | if (ximage->bits_per_pixel == 32) |
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374 | ((uint32_t *)line)[x] = value; |
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375 | else |
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376 | XPutPixel (ximage, x, y, value); |
|
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377 | } |
|
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378 | |
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379 | row += rowstride; |
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380 | line += ximage->bytes_per_line; |
|
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381 | } |
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382 | |
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383 | XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
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384 | XDestroyImage (ximage); |
84 | XFreeGC (s->display->dpy, gc); |
385 | XFreeGC (dpy, gc); |
85 | return new rxvt_img (s, format, w, h, pm2); |
|
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86 | } |
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87 | |
386 | |
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387 | return true; |
|
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388 | } |
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|
389 | |
88 | rxvt_img * |
390 | rxvt_img * |
|
|
391 | rxvt_img::clone () |
|
|
392 | { |
|
|
393 | return new rxvt_img (*this); |
|
|
394 | } |
|
|
395 | |
|
|
396 | rxvt_img * |
|
|
397 | rxvt_img::reify () |
|
|
398 | { |
|
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399 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
|
|
400 | return clone (); |
|
|
401 | |
|
|
402 | Display *dpy = s->display->dpy; |
|
|
403 | |
|
|
404 | bool alpha = !format->direct.alphaMask |
|
|
405 | && (x || y) |
|
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406 | && repeat == RepeatNone; |
|
|
407 | |
|
|
408 | rxvt_img *img = new rxvt_img (s, alpha ? XRenderFindStandardFormat (dpy, PictStandardARGB32) : format, 0, 0, w, h, repeat); |
|
|
409 | img->alloc (); |
|
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410 | |
|
|
411 | Picture src = src_picture (); |
|
|
412 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
413 | |
|
|
414 | if (alpha) |
|
|
415 | { |
|
|
416 | XRenderColor rc = { 0, 0, 0, 0 }; |
|
|
417 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
|
|
418 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
|
|
419 | } |
|
|
420 | else |
|
|
421 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
|
|
422 | |
|
|
423 | XRenderFreePicture (dpy, src); |
|
|
424 | XRenderFreePicture (dpy, dst); |
|
|
425 | |
|
|
426 | return img; |
|
|
427 | } |
|
|
428 | |
|
|
429 | rxvt_img * |
|
|
430 | rxvt_img::sub_rect (int x, int y, int width, int height) |
|
|
431 | { |
|
|
432 | rxvt_img *img = clone (); |
|
|
433 | |
|
|
434 | img->x += x; |
|
|
435 | img->y += y; |
|
|
436 | |
|
|
437 | if (w != width || h != height) |
|
|
438 | { |
|
|
439 | img->w = width; |
|
|
440 | img->h = height; |
|
|
441 | |
|
|
442 | rxvt_img *img2 = img->reify (); |
|
|
443 | delete img; |
|
|
444 | img = img2; |
|
|
445 | } |
|
|
446 | |
|
|
447 | return img; |
|
|
448 | } |
|
|
449 | |
|
|
450 | rxvt_img * |
89 | rxvt_img::transform (int new_width, int new_height, double matrix[16]) |
451 | rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
90 | { |
452 | { |
91 | //TODO |
453 | rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat); |
|
|
454 | img->alloc (); |
|
|
455 | |
|
|
456 | Display *dpy = s->display->dpy; |
|
|
457 | Picture src = src_picture (); |
|
|
458 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
459 | |
|
|
460 | XTransform xfrm; |
|
|
461 | |
|
|
462 | for (int i = 0; i < 3; ++i) |
|
|
463 | for (int j = 0; j < 3; ++j) |
|
|
464 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
|
|
465 | |
|
|
466 | #if 0 |
|
|
467 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
|
|
468 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
|
|
469 | #endif |
|
|
470 | |
|
|
471 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
|
|
472 | XRenderSetPictureTransform (dpy, src, &xfrm); |
|
|
473 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
|
|
474 | |
|
|
475 | XRenderFreePicture (dpy, src); |
|
|
476 | XRenderFreePicture (dpy, dst); |
|
|
477 | |
|
|
478 | return img; |
92 | } |
479 | } |
93 | |
480 | |
94 | rxvt_img * |
481 | rxvt_img * |
95 | rxvt_img::scale (int new_width, int new_height) |
482 | rxvt_img::scale (int new_width, int new_height) |
96 | { |
483 | { |
97 | // use transform |
484 | if (w == new_width && h == new_height) |
98 | //TODO |
485 | return clone (); |
99 | } |
|
|
100 | |
486 | |
|
|
487 | double matrix[9] = { |
|
|
488 | w / (double)new_width, 0, 0, |
|
|
489 | 0, h / (double)new_height, 0, |
|
|
490 | 0, 0, 1 |
|
|
491 | }; |
|
|
492 | |
|
|
493 | int old_repeat_mode = repeat; |
|
|
494 | repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems |
|
|
495 | |
|
|
496 | rxvt_img *img = transform (new_width, new_height, matrix); |
|
|
497 | |
|
|
498 | repeat = old_repeat_mode; |
|
|
499 | img->repeat = repeat; |
|
|
500 | |
|
|
501 | return img; |
|
|
502 | } |
|
|
503 | |
|
|
504 | rxvt_img * |
|
|
505 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
|
|
506 | { |
|
|
507 | double s = sin (phi); |
|
|
508 | double c = cos (phi); |
|
|
509 | |
|
|
510 | double matrix[9] = { |
|
|
511 | c, -s, -c * x + s * y + x, |
|
|
512 | s, c, -s * x - c * y + y, |
|
|
513 | 0, 0, 1 |
|
|
514 | }; |
|
|
515 | |
|
|
516 | return transform (new_width, new_height, matrix); |
|
|
517 | } |
|
|
518 | |
|
|
519 | rxvt_img * |
|
|
520 | rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg) |
|
|
521 | { |
|
|
522 | if (new_format == format) |
|
|
523 | return clone (); |
|
|
524 | |
|
|
525 | rxvt_img *img = new rxvt_img (s, new_format, 0, 0, w, h, repeat); |
|
|
526 | img->alloc (); |
|
|
527 | |
|
|
528 | Display *dpy = s->display->dpy; |
|
|
529 | Picture src = src_picture (); |
|
|
530 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
|
|
531 | int op = PictOpSrc; |
|
|
532 | |
|
|
533 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
|
|
534 | { |
|
|
535 | // does it have to be that complicated |
|
|
536 | rgba c; |
|
|
537 | bg.get (c); |
|
|
538 | |
|
|
539 | XRenderColor rc = { c.r, c.g, c.b, 0xffff }; |
|
|
540 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
|
|
541 | |
|
|
542 | op = PictOpOver; |
|
|
543 | } |
|
|
544 | |
|
|
545 | XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
546 | |
|
|
547 | XRenderFreePicture (dpy, src); |
|
|
548 | XRenderFreePicture (dpy, dst); |
|
|
549 | |
|
|
550 | return img; |
|
|
551 | } |
|
|
552 | |
|
|
553 | rxvt_img * |
|
|
554 | rxvt_img::blend (rxvt_img *img, double factor) |
|
|
555 | { |
|
|
556 | rxvt_img *img2 = clone (); |
|
|
557 | Display *dpy = s->display->dpy; |
|
|
558 | Picture src = img->src_picture (); |
|
|
559 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
|
|
560 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
|
|
561 | |
|
|
562 | XRenderColor mask_c; |
|
|
563 | |
|
|
564 | mask_c.alpha = float_to_component (factor); |
|
|
565 | mask_c.red = |
|
|
566 | mask_c.green = |
|
|
567 | mask_c.blue = 0; |
|
|
568 | XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
|
|
569 | |
|
|
570 | XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
571 | |
|
|
572 | XRenderFreePicture (dpy, src); |
|
|
573 | XRenderFreePicture (dpy, dst); |
|
|
574 | XRenderFreePicture (dpy, mask); |
|
|
575 | |
|
|
576 | return img2; |
|
|
577 | } |
101 | |
578 | |
102 | #endif |
579 | #endif |
103 | |
580 | |