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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, XRenderPictFormat *format, int width, int height) |
9 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height) |
7 | : s(screen), w(width), h(height), format(format) |
10 | : s(screen), w(width), h(height), format(format), shared(false) |
8 | { |
11 | { |
9 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
12 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
10 | } |
13 | } |
11 | |
14 | |
12 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
15 | 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) |
16 | : s(screen), pm(pixmap), w(width), h(height), format(format), shared(false) |
14 | { |
17 | { |
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18 | } |
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19 | |
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20 | rxvt_img * |
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21 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
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22 | { |
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23 | GError *err = 0; |
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24 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
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25 | |
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26 | if (!pb) |
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27 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
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28 | |
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29 | rxvt_img *img = new rxvt_img ( |
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30 | s, |
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31 | XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
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32 | gdk_pixbuf_get_width (pb), |
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33 | gdk_pixbuf_get_height (pb) |
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34 | ); |
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35 | |
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36 | img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); |
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37 | |
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38 | return img; |
15 | } |
39 | } |
16 | |
40 | |
17 | rxvt_img::~rxvt_img () |
41 | rxvt_img::~rxvt_img () |
18 | { |
42 | { |
19 | if (pm) |
43 | if (!shared) |
20 | XFreePixmap (s->display->dpy, pm); |
44 | XFreePixmap (s->display->dpy, pm); |
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45 | } |
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46 | |
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47 | void |
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48 | rxvt_img::unshare () |
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49 | { |
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50 | if (!shared) |
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51 | return; |
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52 | |
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53 | rxvt_img *img = clone (); |
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54 | |
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55 | ::swap (pm , img->pm); |
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56 | ::swap (shared, img->shared); |
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57 | |
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58 | delete img; |
21 | } |
59 | } |
22 | |
60 | |
23 | void |
61 | void |
24 | rxvt_img::fill (const rxvt_color &c) |
62 | rxvt_img::fill (const rxvt_color &c) |
25 | { |
63 | { |
… | |
… | |
28 | GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
66 | GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
29 | XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
67 | XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
30 | XFreeGC (s->display->dpy, gc); |
68 | XFreeGC (s->display->dpy, gc); |
31 | } |
69 | } |
32 | |
70 | |
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71 | static void |
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72 | get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
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73 | { |
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74 | double sigma = radius / 2.0; |
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75 | double scale = sqrt (2.0 * M_PI) * sigma; |
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76 | double sum = 0.0; |
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77 | |
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78 | for (int i = 0; i < width; i++) |
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79 | { |
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80 | double x = i - width / 2; |
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81 | kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
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82 | sum += kernel[i]; |
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83 | } |
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84 | |
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85 | params[0] = XDoubleToFixed (width); |
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86 | params[1] = XDoubleToFixed (1); |
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87 | |
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88 | for (int i = 0; i < width; i++) |
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89 | params[i+2] = XDoubleToFixed (kernel[i] / sum); |
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90 | } |
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91 | |
33 | void |
92 | void |
34 | rxvt_img::blur (int rh, int rv) |
93 | rxvt_img::blur (int rh, int rv) |
35 | { |
94 | { |
36 | //TODO |
95 | if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
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96 | return; |
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97 | |
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98 | Display *dpy = s->display->dpy; |
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99 | int size = max (rh, rv) * 2 + 1; |
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100 | double *kernel = (double *)malloc (size * sizeof (double)); |
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101 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
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102 | |
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103 | XRenderPictureAttributes pa; |
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104 | |
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105 | pa.repeat = RepeatPad; |
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106 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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107 | Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth); |
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108 | Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa); |
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109 | XFreePixmap (dpy, tmp); |
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110 | |
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111 | if (kernel && params) |
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112 | { |
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113 | size = rh * 2 + 1; |
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114 | get_gaussian_kernel (rh, size, kernel, params); |
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115 | |
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116 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
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117 | XRenderComposite (dpy, |
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118 | PictOpSrc, |
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119 | src, |
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120 | None, |
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121 | dst, |
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122 | 0, 0, |
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123 | 0, 0, |
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124 | 0, 0, |
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125 | w, h); |
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126 | |
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127 | ::swap (src, dst); |
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128 | |
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129 | size = rv * 2 + 1; |
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130 | get_gaussian_kernel (rv, size, kernel, params); |
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131 | ::swap (params[0], params[1]); |
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132 | |
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133 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
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134 | XRenderComposite (dpy, |
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135 | PictOpSrc, |
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136 | src, |
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137 | None, |
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138 | dst, |
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139 | 0, 0, |
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140 | 0, 0, |
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141 | 0, 0, |
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142 | w, h); |
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143 | } |
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144 | |
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145 | free (kernel); |
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146 | free (params); |
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147 | XRenderFreePicture (dpy, src); |
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148 | XRenderFreePicture (dpy, dst); |
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149 | } |
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150 | |
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151 | static Picture |
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152 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
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153 | { |
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154 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
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155 | |
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156 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
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157 | XRenderPictureAttributes pa; |
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158 | pa.repeat = True; |
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159 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
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160 | |
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161 | XFreePixmap (dpy, pixmap); |
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162 | |
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163 | return mask; |
37 | } |
164 | } |
38 | |
165 | |
39 | void |
166 | void |
40 | rxvt_img::brightness (double r, double g, double b, double a) |
167 | rxvt_img::brightness (double r, double g, double b, double a) |
41 | { |
168 | { |
42 | //TODO |
169 | Display *dpy = s->display->dpy; |
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170 | Picture src = create_xrender_mask (dpy, pm, True); |
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171 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
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172 | |
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173 | XRenderColor mask_c; |
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174 | mask_c.red = float_to_component (r); |
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175 | mask_c.green = float_to_component (g); |
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176 | mask_c.blue = float_to_component (b); |
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177 | mask_c.alpha = float_to_component (a); |
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178 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
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179 | |
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180 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
43 | } |
181 | } |
44 | |
182 | |
45 | void |
183 | void |
46 | rxvt_img::contrast (double r, double g, double b, double a) |
184 | rxvt_img::contrast (double r, double g, double b, double a) |
47 | { |
185 | { |
48 | //TODO |
186 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
49 | } |
187 | return; |
50 | |
188 | |
51 | void |
189 | Display *dpy = s->display->dpy; |
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190 | Picture src = create_xrender_mask (dpy, pm, True); |
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191 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
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192 | |
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193 | XRenderColor mask_c; |
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194 | mask_c.red = float_to_component (r); |
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195 | mask_c.green = float_to_component (g); |
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196 | mask_c.blue = float_to_component (b); |
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197 | mask_c.alpha = float_to_component (a); |
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198 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
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199 | |
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200 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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201 | } |
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202 | |
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203 | bool |
52 | rxvt_img::render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
204 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
53 | { |
205 | { |
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206 | bool argb = format->id == PictStandardARGB32; |
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207 | |
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208 | Display *dpy = s->display->dpy; |
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209 | |
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210 | if (s->visual->c_class != TrueColor) |
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211 | return false; |
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212 | |
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213 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
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214 | |
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215 | if (argb) |
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216 | { |
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217 | red_mask = 0xff << 16; |
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218 | green_mask = 0xff << 8; |
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219 | blue_mask = 0xff; |
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220 | alpha_mask = 0xff << 24; |
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221 | } |
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222 | else |
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223 | { |
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224 | red_mask = s->visual->red_mask; |
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225 | green_mask = s->visual->green_mask; |
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226 | blue_mask = s->visual->blue_mask; |
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227 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
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228 | } |
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229 | |
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230 | int width_r = ecb_popcount32 (red_mask); |
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231 | int width_g = ecb_popcount32 (green_mask); |
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232 | int width_b = ecb_popcount32 (blue_mask); |
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233 | int width_a = ecb_popcount32 (alpha_mask); |
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234 | |
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235 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
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236 | return false; |
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237 | |
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238 | int sh_r = ecb_ctz32 (red_mask); |
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239 | int sh_g = ecb_ctz32 (green_mask); |
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240 | int sh_b = ecb_ctz32 (blue_mask); |
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241 | int sh_a = ecb_ctz32 (alpha_mask); |
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242 | |
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243 | if (width > 32767 || height > 32767) |
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244 | return false; |
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245 | |
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246 | XImage *ximage = XCreateImage (dpy, s->visual, argb ? 32 : format->depth, ZPixmap, 0, 0, |
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247 | width, height, 32, 0); |
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248 | if (!ximage) |
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249 | return false; |
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250 | |
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251 | if (height > INT_MAX / ximage->bytes_per_line |
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252 | || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
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253 | { |
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254 | XDestroyImage (ximage); |
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255 | return false; |
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256 | } |
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257 | |
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258 | GC gc = XCreateGC (dpy, pm, 0, 0); |
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259 | |
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260 | ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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261 | |
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262 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
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263 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
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264 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
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265 | char *line = ximage->data; |
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266 | |
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267 | rgba c (0, 0, 0); |
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268 | |
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269 | if (channels == 4 && alpha_mask == 0) |
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270 | { |
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271 | //pix_colors[Color_bg].get (c); |
54 | //TODO |
272 | //TODO |
55 | } |
273 | c.r >>= 8; |
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274 | c.g >>= 8; |
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275 | c.b >>= 8; |
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276 | } |
56 | |
277 | |
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278 | for (int y = 0; y < height; y++) |
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279 | { |
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280 | for (int x = 0; x < width; x++) |
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281 | { |
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282 | unsigned char *pixel = row + x * channels; |
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283 | uint32_t value; |
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284 | unsigned char r, g, b, a; |
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285 | |
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286 | if (channels == 4) |
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287 | { |
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288 | a = pixel[3]; |
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289 | r = (pixel[0] * a + c.r * (0xff - a)) / 0xff; |
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290 | g = (pixel[1] * a + c.g * (0xff - a)) / 0xff; |
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291 | b = (pixel[2] * a + c.b * (0xff - a)) / 0xff; |
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292 | } |
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293 | else |
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294 | { |
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295 | a = 0xff; |
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296 | r = pixel[0]; |
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297 | g = pixel[1]; |
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298 | b = pixel[2]; |
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299 | } |
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300 | |
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301 | value = ((r >> (8 - width_r)) << sh_r) |
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302 | | ((g >> (8 - width_g)) << sh_g) |
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303 | | ((b >> (8 - width_b)) << sh_b) |
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304 | | ((a >> (8 - width_a)) << sh_a); |
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305 | |
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306 | if (ximage->bits_per_pixel == 32) |
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307 | ((uint32_t *)line)[x] = value; |
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308 | else |
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309 | XPutPixel (ximage, x, y, value); |
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310 | } |
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311 | |
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312 | row += rowstride; |
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313 | line += ximage->bytes_per_line; |
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314 | } |
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315 | |
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316 | XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
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317 | XDestroyImage (ximage); |
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318 | XFreeGC (dpy, gc); |
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319 | |
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320 | return true; |
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321 | } |
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322 | |
57 | rxvt_img * |
323 | rxvt_img * |
58 | rxvt_img::copy () |
324 | rxvt_img::clone () |
59 | { |
325 | { |
60 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
326 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
61 | Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth); |
327 | Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth); |
62 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0); |
328 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0); |
63 | XFreeGC (s->display->dpy, gc); |
329 | XFreeGC (s->display->dpy, gc); |
64 | return new rxvt_img (s, format, w, h, pm2); |
330 | return new rxvt_img (s, format, w, h, pm2); |
65 | } |
331 | } |
66 | |
332 | |
67 | rxvt_img * |
333 | rxvt_img * |
68 | rxvt_img::transform (int new_width, int new_height, double matrix[16]) |
334 | rxvt_img::transform (int new_width, int new_height, int repeat, double matrix[9]) |
69 | { |
335 | { |
70 | //TODO |
336 | rxvt_img *img = new rxvt_img (s, format, new_width, new_height); |
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337 | |
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338 | Display *dpy = s->display->dpy; |
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339 | XRenderPictureAttributes pa; |
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340 | pa.repeat = repeat; |
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341 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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342 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
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343 | |
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344 | XTransform xfrm; |
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345 | |
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346 | for (int i = 0; i < 3; ++i) |
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347 | for (int j = 0; j < 3; ++j) |
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348 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
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349 | |
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350 | XRenderSetPictureTransform (dpy, src, &xfrm); |
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351 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
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352 | |
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353 | XRenderFreePicture (dpy, src); |
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354 | XRenderFreePicture (dpy, dst); |
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355 | |
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356 | return img; |
71 | } |
357 | } |
72 | |
358 | |
73 | rxvt_img * |
359 | rxvt_img * |
74 | rxvt_img::scale (int new_width, int new_height) |
360 | rxvt_img::scale (int new_width, int new_height) |
75 | { |
361 | { |
76 | // use transform |
362 | double matrix[9] = { |
77 | //TODO |
363 | new_width / (double)w, 0, 0, |
78 | } |
364 | 0, new_height / (double)h, 0, |
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365 | 0, 0, 1 |
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366 | }; |
79 | |
367 | |
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368 | return transform (new_width, new_height, RepeatNormal, matrix); |
|
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369 | } |
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370 | |
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371 | rxvt_img * |
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372 | rxvt_img::convert_to (XRenderPictFormat *new_format) |
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373 | { |
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374 | rxvt_img *img = new rxvt_img (s, new_format, w, h); |
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375 | |
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376 | Display *dpy = s->display->dpy; |
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377 | Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); |
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378 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
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379 | |
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380 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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381 | |
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382 | XRenderFreePicture (dpy, src); |
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383 | XRenderFreePicture (dpy, dst); |
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384 | |
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385 | return img; |
|
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386 | } |
80 | |
387 | |
81 | #endif |
388 | #endif |
82 | |
389 | |