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1 | #include <string.h> |
1 | #include <math.h> |
2 | #include <math.h> |
2 | #include "../config.h" |
3 | #include "../config.h" |
3 | #include "rxvt.h" |
4 | #include "rxvt.h" |
4 | |
5 | |
5 | #if HAVE_IMG |
6 | #if HAVE_IMG |
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7 | |
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8 | typedef rxvt_img::nv nv; |
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9 | |
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10 | namespace |
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11 | { |
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12 | |
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13 | struct mat3x3 |
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14 | { |
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15 | nv v[3][3]; |
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16 | |
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17 | mat3x3 () |
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18 | { |
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19 | } |
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20 | |
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21 | mat3x3 (const nv *matrix) |
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22 | { |
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23 | memcpy (v, matrix, sizeof (v)); |
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24 | } |
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25 | |
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26 | mat3x3 (nv v11, nv v12, nv v13, nv v21, nv v22, nv v23, nv v31, nv v32, nv v33) |
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27 | { |
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28 | v[0][0] = v11; v[0][1] = v12; v[0][2] = v13; |
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29 | v[1][0] = v21; v[1][1] = v22; v[1][2] = v23; |
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30 | v[2][0] = v31; v[2][1] = v32; v[2][2] = v33; |
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31 | } |
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32 | |
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33 | mat3x3 invert (); |
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34 | |
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35 | nv *operator [](int i) { return &v[i][0]; } |
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36 | const nv *operator [](int i) const { return &v[i][0]; } |
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37 | |
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38 | operator const nv * () const { return &v[0][0]; } |
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39 | operator nv * () { return &v[0][0]; } |
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40 | |
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41 | // quite inefficient, hopefully gcc pulls the w calc out of any loops |
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42 | nv apply1 (int i, nv x, nv y) |
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43 | { |
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44 | mat3x3 &m = *this; |
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45 | |
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46 | nv v = m[i][0] * x + m[i][1] * y + m[i][2]; |
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47 | nv w = m[2][0] * x + m[2][1] * y + m[2][2]; |
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48 | |
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49 | return v * (1. / w); |
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50 | } |
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51 | |
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52 | static mat3x3 translate (nv x, nv y); |
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53 | static mat3x3 scale (nv s, nv t); |
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54 | static mat3x3 rotate (nv phi); |
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55 | }; |
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56 | |
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57 | mat3x3 |
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58 | mat3x3::invert () |
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59 | { |
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60 | mat3x3 &m = *this; |
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61 | mat3x3 inv; |
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62 | |
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63 | nv s0 = m[2][2] * m[1][1] - m[2][1] * m[1][2]; |
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64 | nv s1 = m[2][1] * m[0][2] - m[2][2] * m[0][1]; |
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65 | nv s2 = m[1][2] * m[0][1] - m[1][1] * m[0][2]; |
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66 | |
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67 | nv invdet = 1. / (m[0][0] * s0 + m[1][0] * s1 + m[2][0] * s2); |
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68 | |
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69 | inv[0][0] = invdet * s0; |
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70 | inv[0][1] = invdet * s1; |
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71 | inv[0][2] = invdet * s2; |
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72 | |
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73 | inv[1][0] = invdet * (m[2][0] * m[1][2] - m[2][2] * m[1][0]); |
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74 | inv[1][1] = invdet * (m[2][2] * m[0][0] - m[2][0] * m[0][2]); |
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75 | inv[1][2] = invdet * (m[1][0] * m[0][2] - m[1][2] * m[0][0]); |
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76 | |
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77 | inv[2][0] = invdet * (m[2][1] * m[1][0] - m[2][0] * m[1][1]); |
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78 | inv[2][1] = invdet * (m[2][0] * m[0][1] - m[2][1] * m[0][0]); |
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79 | inv[2][2] = invdet * (m[1][1] * m[0][0] - m[1][0] * m[0][1]); |
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80 | |
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81 | return inv; |
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82 | } |
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83 | |
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84 | static mat3x3 |
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85 | operator *(const mat3x3 &a, const mat3x3 &b) |
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86 | { |
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87 | mat3x3 r; |
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88 | |
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89 | for (int i = 0; i < 3; ++i) |
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90 | for (int j = 0; j < 3; ++j) |
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91 | r[i][j] = a[i][0] * b[0][j] |
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92 | + a[i][1] * b[1][j] |
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93 | + a[i][2] * b[2][j]; |
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94 | |
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95 | return r; |
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96 | } |
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97 | |
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98 | mat3x3 |
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99 | mat3x3::translate (nv x, nv y) |
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100 | { |
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101 | return mat3x3 ( |
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102 | 1, 0, x, |
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103 | 0, 1, y, |
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104 | 0, 0, 1 |
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105 | ); |
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106 | } |
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107 | |
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108 | mat3x3 |
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109 | mat3x3::scale (nv s, nv t) |
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110 | { |
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111 | return mat3x3 ( |
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112 | s, 0, 0, |
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113 | 0, t, 0, |
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114 | 0, 0, 1 |
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115 | ); |
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116 | } |
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117 | |
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118 | // clockwise |
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119 | mat3x3 |
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120 | mat3x3::rotate (nv phi) |
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121 | { |
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122 | nv s = sin (phi); |
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123 | nv c = cos (phi); |
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124 | |
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125 | return mat3x3 ( |
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126 | c, -s, 0, |
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127 | s, c, 0, |
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128 | 0, 0, 1 |
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129 | ); |
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130 | } |
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131 | |
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132 | } |
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133 | |
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134 | #if 0 |
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135 | struct pict |
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136 | { |
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137 | Display *dpy; |
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138 | Picture pic; |
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139 | |
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140 | operator Picture () const |
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141 | { |
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142 | return pic; |
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143 | } |
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144 | |
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145 | pict () |
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146 | : pic (0) |
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147 | { |
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148 | } |
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149 | |
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150 | pict (rxvt_img *img, XRenderPictFormat *format = 0) |
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151 | : dpy (img->s->display->dpy) |
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152 | { |
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153 | XRenderPictureAttributes pa; |
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154 | pa.repeat = img->repeat; |
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155 | pic = XRenderCreatePicture (dpy, img->pm, format ? format : img->format, CPRepeat, &pa); |
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156 | } |
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157 | |
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158 | ~pict () |
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159 | { |
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160 | if (pic) |
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161 | XRenderFreePicture (dpy, pic); |
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162 | } |
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163 | }; |
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164 | #endif |
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165 | |
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166 | static XRenderPictFormat * |
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167 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
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168 | { |
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169 | if (format->direct.alphaMask) |
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170 | return format; // already has alpha |
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171 | |
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172 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
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173 | if (format->type == PictTypeDirect) |
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174 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
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175 | if (f->direct.alphaMask |
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176 | && f->type == PictTypeDirect |
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177 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
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178 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
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179 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
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180 | return f; |
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181 | |
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182 | // should be a very good fallback |
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183 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
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184 | } |
6 | |
185 | |
7 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
186 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
8 | : s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
187 | : s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
9 | pm(0), ref(0) |
188 | pm(0), ref(0) |
10 | { |
189 | { |
… | |
… | |
49 | img->ref->ours = false; |
228 | img->ref->ours = false; |
50 | |
229 | |
51 | return img; |
230 | return img; |
52 | } |
231 | } |
53 | |
232 | |
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233 | # if HAVE_PIXBUF |
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234 | |
54 | rxvt_img * |
235 | rxvt_img * |
55 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
236 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
56 | { |
237 | { |
57 | Display *dpy = s->display->dpy; |
238 | Display *dpy = s->display->dpy; |
58 | |
239 | |
… | |
… | |
62 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
243 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
63 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
244 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
64 | |
245 | |
65 | // since we require rgb24/argb32 formats from xrender we assume |
246 | // since we require rgb24/argb32 formats from xrender we assume |
66 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
247 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
67 | int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24; |
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68 | |
248 | |
69 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
249 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
70 | |
250 | |
71 | XImage xi; |
251 | XImage xi; |
72 | |
252 | |
… | |
… | |
76 | xi.format = ZPixmap; |
256 | xi.format = ZPixmap; |
77 | xi.byte_order = ImageByteOrder (dpy); |
257 | xi.byte_order = ImageByteOrder (dpy); |
78 | xi.bitmap_unit = 0; //XY only, unused |
258 | xi.bitmap_unit = 0; //XY only, unused |
79 | xi.bitmap_bit_order = 0; //XY only, unused |
259 | xi.bitmap_bit_order = 0; //XY only, unused |
80 | xi.bitmap_pad = BitmapPad (dpy); |
260 | xi.bitmap_pad = BitmapPad (dpy); |
81 | xi.depth = depth; |
261 | xi.depth = 32; |
82 | xi.bytes_per_line = 0; |
262 | xi.bytes_per_line = 0; |
83 | xi.bits_per_pixel = 32; //Z only |
263 | xi.bits_per_pixel = 32; //Z only |
84 | xi.red_mask = 0x00000000; //Z only, unused |
264 | xi.red_mask = 0x00000000; //Z only, unused |
85 | xi.green_mask = 0x00000000; //Z only, unused |
265 | xi.green_mask = 0x00000000; //Z only, unused |
86 | xi.blue_mask = 0x00000000; //Z only, unused |
266 | xi.blue_mask = 0x00000000; //Z only, unused |
… | |
… | |
95 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
275 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
96 | |
276 | |
97 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
277 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
98 | |
278 | |
99 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
279 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
100 | |
280 | bool pb_has_alpha = gdk_pixbuf_get_has_alpha (pb); |
101 | assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb)); |
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102 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
281 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
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282 | |
103 | char *line = xi.data; |
283 | char *line = xi.data; |
104 | |
284 | |
105 | for (int y = 0; y < height; y++) |
285 | for (int y = 0; y < height; y++) |
106 | { |
286 | { |
107 | unsigned char *src = row; |
287 | unsigned char *src = row; |
108 | uint32_t *dst = (uint32_t *)line; |
288 | uint32_t *dst = (uint32_t *)line; |
109 | |
289 | |
110 | if (depth == 24) |
290 | if (!pb_has_alpha) |
111 | for (int x = 0; x < width; x++) |
291 | for (int x = 0; x < width; x++) |
112 | { |
292 | { |
113 | uint8_t r = *src++; |
293 | uint8_t r = *src++; |
114 | uint8_t g = *src++; |
294 | uint8_t g = *src++; |
115 | uint8_t b = *src++; |
295 | uint8_t b = *src++; |
116 | |
296 | |
117 | uint32_t v = (r << 16) | (g << 8) | b; |
297 | uint32_t v = (255 << 24) | (r << 16) | (g << 8) | b; |
118 | |
298 | |
119 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
299 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
120 | v = ecb_bswap32 (v); |
300 | v = ecb_bswap32 (v); |
121 | |
301 | |
122 | *dst++ = v; |
302 | *dst++ = v; |
… | |
… | |
139 | |
319 | |
140 | row += rowstride; |
320 | row += rowstride; |
141 | line += xi.bytes_per_line; |
321 | line += xi.bytes_per_line; |
142 | } |
322 | } |
143 | |
323 | |
144 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height); |
324 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, PictStandardARGB32), 0, 0, width, height); |
145 | img->alloc (); |
325 | img->alloc (); |
146 | |
326 | |
147 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
327 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
148 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
328 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
149 | XFreeGC (dpy, gc); |
329 | XFreeGC (dpy, gc); |
… | |
… | |
167 | g_object_unref (pb); |
347 | g_object_unref (pb); |
168 | |
348 | |
169 | return img; |
349 | return img; |
170 | } |
350 | } |
171 | |
351 | |
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352 | # endif |
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353 | |
172 | void |
354 | void |
173 | rxvt_img::destroy () |
355 | rxvt_img::destroy () |
174 | { |
356 | { |
175 | if (--ref->cnt) |
357 | if (--ref->cnt) |
176 | return; |
358 | return; |
… | |
… | |
192 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
374 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
193 | ref = new pixref (w, h); |
375 | ref = new pixref (w, h); |
194 | } |
376 | } |
195 | |
377 | |
196 | Picture |
378 | Picture |
197 | rxvt_img::src_picture () |
379 | rxvt_img::picture () |
198 | { |
380 | { |
199 | Display *dpy = s->display->dpy; |
381 | Display *dpy = s->display->dpy; |
200 | |
382 | |
201 | XRenderPictureAttributes pa; |
383 | XRenderPictureAttributes pa; |
202 | pa.repeat = repeat; |
384 | pa.repeat = repeat; |
… | |
… | |
209 | rxvt_img::unshare () |
391 | rxvt_img::unshare () |
210 | { |
392 | { |
211 | if (ref->cnt == 1 && ref->ours) |
393 | if (ref->cnt == 1 && ref->ours) |
212 | return; |
394 | return; |
213 | |
395 | |
214 | //TODO: maybe should reify instead |
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215 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
396 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
216 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
397 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
217 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
398 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
218 | XFreeGC (s->display->dpy, gc); |
399 | XFreeGC (s->display->dpy, gc); |
219 | |
400 | |
… | |
… | |
222 | pm = pm2; |
403 | pm = pm2; |
223 | ref = new pixref (ref->w, ref->h); |
404 | ref = new pixref (ref->w, ref->h); |
224 | } |
405 | } |
225 | |
406 | |
226 | void |
407 | void |
227 | rxvt_img::fill (const rxvt_color &c) |
408 | rxvt_img::fill (const rgba &c) |
228 | { |
409 | { |
229 | XGCValues gcv; |
410 | XRenderColor rc = { c.r, c.g, c.b, c.a }; |
230 | gcv.foreground = c; |
411 | |
231 | GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
412 | Display *dpy = s->display->dpy; |
232 | XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
413 | Picture src = picture (); |
233 | XFreeGC (s->display->dpy, gc); |
414 | XRenderFillRectangle (dpy, PictOpSrc, src, &rc, 0, 0, w, h); |
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415 | XRenderFreePicture (dpy, src); |
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416 | } |
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417 | |
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418 | void |
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419 | rxvt_img::add_alpha () |
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420 | { |
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421 | if (format->direct.alphaMask) |
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422 | return; |
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423 | |
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424 | Display *dpy = s->display->dpy; |
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425 | |
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426 | rxvt_img *img = new rxvt_img (s, find_alpha_format_for (dpy, format), x, y, w, h, repeat); |
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427 | img->alloc (); |
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428 | |
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429 | Picture src = picture (); |
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430 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
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431 | |
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432 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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433 | |
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434 | XRenderFreePicture (dpy, src); |
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435 | XRenderFreePicture (dpy, dst); |
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436 | |
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437 | ::swap (img->ref, ref); |
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438 | ::swap (img->pm , pm ); |
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439 | |
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440 | delete img; |
234 | } |
441 | } |
235 | |
442 | |
236 | static void |
443 | static void |
237 | get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
444 | get_gaussian_kernel (int radius, int width, nv *kernel, XFixed *params) |
238 | { |
445 | { |
239 | double sigma = radius / 2.0; |
446 | nv sigma = radius / 2.0; |
240 | double scale = sqrt (2.0 * M_PI) * sigma; |
447 | nv scale = sqrt (2.0 * M_PI) * sigma; |
241 | double sum = 0.0; |
448 | nv sum = 0.0; |
242 | |
449 | |
243 | for (int i = 0; i < width; i++) |
450 | for (int i = 0; i < width; i++) |
244 | { |
451 | { |
245 | double x = i - width / 2; |
452 | nv x = i - width / 2; |
246 | kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
453 | kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
247 | sum += kernel[i]; |
454 | sum += kernel[i]; |
248 | } |
455 | } |
249 | |
456 | |
250 | params[0] = XDoubleToFixed (width); |
457 | params[0] = XDoubleToFixed (width); |
… | |
… | |
260 | if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
467 | if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
261 | return clone (); |
468 | return clone (); |
262 | |
469 | |
263 | Display *dpy = s->display->dpy; |
470 | Display *dpy = s->display->dpy; |
264 | int size = max (rh, rv) * 2 + 1; |
471 | int size = max (rh, rv) * 2 + 1; |
265 | double *kernel = (double *)malloc (size * sizeof (double)); |
472 | nv *kernel = (nv *)malloc (size * sizeof (nv)); |
266 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
473 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
267 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
474 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
268 | img->alloc (); |
475 | img->alloc (); |
269 | |
476 | |
270 | XRenderPictureAttributes pa; |
477 | XRenderPictureAttributes pa; |
… | |
… | |
308 | w, h); |
515 | w, h); |
309 | } |
516 | } |
310 | |
517 | |
311 | free (kernel); |
518 | free (kernel); |
312 | free (params); |
519 | free (params); |
|
|
520 | |
313 | XRenderFreePicture (dpy, src); |
521 | XRenderFreePicture (dpy, src); |
314 | XRenderFreePicture (dpy, dst); |
522 | XRenderFreePicture (dpy, dst); |
315 | XRenderFreePicture (dpy, tmp); |
523 | XRenderFreePicture (dpy, tmp); |
316 | |
524 | |
317 | return img; |
525 | return img; |
318 | } |
526 | } |
319 | |
527 | |
320 | static Picture |
528 | static Picture |
321 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
529 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha) |
322 | { |
530 | { |
323 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
531 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
324 | |
532 | |
325 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
533 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
326 | XRenderPictureAttributes pa; |
534 | XRenderPictureAttributes pa; |
327 | pa.repeat = True; |
535 | pa.repeat = RepeatNormal; |
|
|
536 | pa.component_alpha = component_alpha; |
328 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
537 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa); |
329 | |
538 | |
330 | XFreePixmap (dpy, pixmap); |
539 | XFreePixmap (dpy, pixmap); |
331 | |
540 | |
332 | return mask; |
541 | return mask; |
333 | } |
542 | } |
334 | |
543 | |
|
|
544 | static void |
|
|
545 | extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
|
|
546 | { |
|
|
547 | int32_t x = clamp (c, cl0, cl1); |
|
|
548 | c -= x; |
|
|
549 | xc = x; |
|
|
550 | } |
|
|
551 | |
|
|
552 | static bool |
|
|
553 | extract (int32_t cl0, int32_t cl1, int32_t &r, int32_t &g, int32_t &b, int32_t &a, unsigned short &xr, unsigned short &xg, unsigned short &xb, unsigned short &xa) |
|
|
554 | { |
|
|
555 | extract (cl0, cl1, r, xr); |
|
|
556 | extract (cl0, cl1, g, xg); |
|
|
557 | extract (cl0, cl1, b, xb); |
|
|
558 | extract (cl0, cl1, a, xa); |
|
|
559 | |
|
|
560 | return xr | xg | xb | xa; |
|
|
561 | } |
|
|
562 | |
335 | void |
563 | void |
336 | rxvt_img::brightness (uint16_t r, uint16_t g, uint16_t b, uint16_t a) |
564 | rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
337 | { |
565 | { |
|
|
566 | unshare (); |
|
|
567 | |
338 | Display *dpy = s->display->dpy; |
568 | Display *dpy = s->display->dpy; |
339 | Picture src = create_xrender_mask (dpy, pm, True); |
|
|
340 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
569 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
341 | |
570 | |
|
|
571 | // loop should not be needed for brightness, as only -1..1 makes sense |
|
|
572 | //while (r | g | b | a) |
|
|
573 | { |
|
|
574 | unsigned short xr, xg, xb, xa; |
342 | XRenderColor mask_c; |
575 | XRenderColor mask_c; |
343 | mask_c.red = r; |
576 | |
344 | mask_c.green = g; |
577 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
345 | mask_c.blue = b; |
578 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
346 | mask_c.alpha = a; |
579 | |
|
|
580 | if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
|
|
581 | { |
|
|
582 | XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
|
|
583 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
|
|
584 | mask_c.red = -mask_c.red; //TODO: verify that doing clamp, assign, and negation does the right thing |
|
|
585 | mask_c.green = -mask_c.green; |
|
|
586 | mask_c.blue = -mask_c.blue; |
|
|
587 | mask_c.alpha = -mask_c.alpha; |
|
|
588 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
|
|
589 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
|
|
590 | } |
|
|
591 | } |
|
|
592 | |
|
|
593 | XRenderFreePicture (dpy, dst); |
|
|
594 | } |
|
|
595 | |
|
|
596 | void |
|
|
597 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
|
|
598 | { |
|
|
599 | if (r < 0 || g < 0 || b < 0 || a < 0) |
|
|
600 | rxvt_fatal ("rxvt_img::contrast does not support negative values.\n"); |
|
|
601 | |
|
|
602 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
|
|
603 | img->alloc (); |
|
|
604 | img->fill (rgba (0, 0, 0, 0)); |
|
|
605 | |
|
|
606 | // premultiply (yeah, these are not exact, sue me or fix it) |
|
|
607 | r = (r * (a >> 8)) >> 8; |
|
|
608 | g = (g * (a >> 8)) >> 8; |
|
|
609 | b = (b * (a >> 8)) >> 8; |
|
|
610 | |
|
|
611 | Display *dpy = s->display->dpy; |
|
|
612 | |
|
|
613 | Picture src = picture (); |
|
|
614 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
|
|
615 | Picture mul = create_xrender_mask (dpy, pm, True, True); |
|
|
616 | |
|
|
617 | //TODO: this operator does not yet implement some useful contrast |
|
|
618 | while (r | g | b | a) |
|
|
619 | { |
|
|
620 | unsigned short xr, xg, xb, xa; |
|
|
621 | XRenderColor mask_c; |
|
|
622 | |
|
|
623 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
|
|
624 | { |
|
|
625 | XRenderFillRectangle (dpy, PictOpSrc, mul, &mask_c, 0, 0, 1, 1); |
|
|
626 | XRenderComposite (dpy, PictOpAdd, src, mul, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
627 | } |
|
|
628 | } |
|
|
629 | |
|
|
630 | XRenderFreePicture (dpy, mul); |
|
|
631 | XRenderFreePicture (dpy, dst); |
|
|
632 | XRenderFreePicture (dpy, src); |
|
|
633 | |
|
|
634 | ::swap (img->ref, ref); |
|
|
635 | ::swap (img->pm , pm ); |
|
|
636 | |
|
|
637 | delete img; |
|
|
638 | } |
|
|
639 | |
|
|
640 | void |
|
|
641 | rxvt_img::draw (rxvt_img *img, int op, nv mask) |
|
|
642 | { |
|
|
643 | unshare (); |
|
|
644 | |
|
|
645 | Display *dpy = s->display->dpy; |
|
|
646 | Picture src = img->picture (); |
|
|
647 | Picture dst = picture (); |
|
|
648 | Picture mask_p = 0; |
|
|
649 | |
|
|
650 | if (mask != 1.) |
|
|
651 | { |
|
|
652 | mask_p = create_xrender_mask (dpy, img->pm, False, False); |
|
|
653 | XRenderColor mask_c = { 0, 0, 0, float_to_component (mask) }; |
347 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
654 | XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
|
|
655 | } |
348 | |
656 | |
349 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
657 | XRenderComposite (dpy, op, src, mask_p, dst, x - img->x, y - img->y, 0, 0, 0, 0, w, h); |
350 | |
658 | |
351 | XRenderFreePicture (dpy, src); |
659 | XRenderFreePicture (dpy, src); |
352 | XRenderFreePicture (dpy, dst); |
660 | XRenderFreePicture (dpy, dst); |
353 | } |
|
|
354 | |
661 | |
355 | void |
662 | if (mask_p) |
356 | rxvt_img::contrast (uint16_t r, uint16_t g, uint16_t b, uint16_t a) |
|
|
357 | { |
|
|
358 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
|
|
359 | { |
|
|
360 | rxvt_warn ("rxvt_img::contrast operation not supported on this display, RENDER extension too old.\n"); |
|
|
361 | return; |
|
|
362 | } |
|
|
363 | |
|
|
364 | Display *dpy = s->display->dpy; |
|
|
365 | Picture src = create_xrender_mask (dpy, pm, True); |
|
|
366 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
|
|
367 | |
|
|
368 | XRenderColor mask_c; |
|
|
369 | mask_c.red = r; |
|
|
370 | mask_c.green = g; |
|
|
371 | mask_c.blue = b; |
|
|
372 | mask_c.alpha = a; |
|
|
373 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
|
|
374 | |
|
|
375 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
376 | |
|
|
377 | XRenderFreePicture (dpy, src); |
663 | XRenderFreePicture (dpy, mask_p); |
378 | XRenderFreePicture (dpy, dst); |
|
|
379 | } |
664 | } |
380 | |
665 | |
381 | rxvt_img * |
666 | rxvt_img * |
382 | rxvt_img::clone () |
667 | rxvt_img::clone () |
383 | { |
668 | { |
384 | return new rxvt_img (*this); |
669 | return new rxvt_img (*this); |
385 | } |
|
|
386 | |
|
|
387 | static XRenderPictFormat * |
|
|
388 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
|
|
389 | { |
|
|
390 | if (format->direct.alphaMask) |
|
|
391 | return format; // already has alpha |
|
|
392 | |
|
|
393 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
|
|
394 | if (format->type == PictTypeDirect) |
|
|
395 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
|
|
396 | if (f->direct.alphaMask |
|
|
397 | && f->type == PictTypeDirect |
|
|
398 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
|
|
399 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
|
|
400 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
|
|
401 | return f; |
|
|
402 | |
|
|
403 | // should be a very good fallback |
|
|
404 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
|
|
405 | } |
670 | } |
406 | |
671 | |
407 | rxvt_img * |
672 | rxvt_img * |
408 | rxvt_img::reify () |
673 | rxvt_img::reify () |
409 | { |
674 | { |
… | |
… | |
418 | && repeat == RepeatNone; // and we have no good pixels to fill with |
683 | && repeat == RepeatNone; // and we have no good pixels to fill with |
419 | |
684 | |
420 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
685 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
421 | img->alloc (); |
686 | img->alloc (); |
422 | |
687 | |
423 | Picture src = src_picture (); |
688 | Picture src = picture (); |
424 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
689 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
425 | |
690 | |
426 | if (alpha) |
691 | if (alpha) |
427 | { |
692 | { |
428 | XRenderColor rc = { 0, 0, 0, 0 }; |
693 | XRenderColor rc = { 0, 0, 0, 0 }; |
429 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
694 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
430 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
695 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, x, y, ref->w, ref->h); |
431 | } |
696 | } |
432 | else |
697 | else |
433 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
698 | XRenderComposite (dpy, PictOpSrc, src, None, dst, -x, -y, 0, 0, 0, 0, w, h); |
434 | |
699 | |
435 | XRenderFreePicture (dpy, src); |
700 | XRenderFreePicture (dpy, src); |
436 | XRenderFreePicture (dpy, dst); |
701 | XRenderFreePicture (dpy, dst); |
437 | |
702 | |
438 | return img; |
703 | return img; |
… | |
… | |
441 | rxvt_img * |
706 | rxvt_img * |
442 | rxvt_img::sub_rect (int x, int y, int width, int height) |
707 | rxvt_img::sub_rect (int x, int y, int width, int height) |
443 | { |
708 | { |
444 | rxvt_img *img = clone (); |
709 | rxvt_img *img = clone (); |
445 | |
710 | |
446 | img->x += x; |
711 | img->x -= x; |
447 | img->y += y; |
712 | img->y -= y; |
448 | |
713 | |
449 | if (w != width || h != height) |
714 | if (w != width || h != height) |
450 | { |
715 | { |
451 | img->w = width; |
716 | img->w = width; |
452 | img->h = height; |
717 | img->h = height; |
… | |
… | |
458 | |
723 | |
459 | return img; |
724 | return img; |
460 | } |
725 | } |
461 | |
726 | |
462 | rxvt_img * |
727 | rxvt_img * |
463 | rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
728 | rxvt_img::transform (const nv matrix[3][3]) |
464 | { |
729 | { |
|
|
730 | return transform (mat3x3 (&matrix[0][0])); |
|
|
731 | } |
|
|
732 | |
|
|
733 | rxvt_img * |
|
|
734 | rxvt_img::transform (const nv *matrix) |
|
|
735 | { |
|
|
736 | mat3x3 m (matrix); |
|
|
737 | |
|
|
738 | // calculate new pixel bounding box coordinates |
|
|
739 | nv r[2], rmin[2], rmax[2]; |
|
|
740 | |
|
|
741 | for (int i = 0; i < 2; ++i) |
|
|
742 | { |
|
|
743 | nv v; |
|
|
744 | |
|
|
745 | v = m.apply1 (i, 0+x, 0+y); rmin [i] = rmax [i] = v; r [i] = v; |
|
|
746 | v = m.apply1 (i, w+x, 0+y); min_it (rmin [i], v); max_it (rmax [i], v); |
|
|
747 | v = m.apply1 (i, 0+x, h+y); min_it (rmin [i], v); max_it (rmax [i], v); |
|
|
748 | v = m.apply1 (i, w+x, h+y); min_it (rmin [i], v); max_it (rmax [i], v); |
|
|
749 | } |
|
|
750 | |
|
|
751 | float sx = rmin [0] - x; |
|
|
752 | float sy = rmin [1] - y; |
|
|
753 | |
|
|
754 | // TODO: adjust matrix for subpixel accuracy |
|
|
755 | int nx = floor (rmin [0]); |
|
|
756 | int ny = floor (rmin [1]); |
|
|
757 | |
|
|
758 | int new_width = ceil (rmax [0] - rmin [0]); |
|
|
759 | int new_height = ceil (rmax [1] - rmin [1]); |
|
|
760 | |
|
|
761 | m = mat3x3::translate (-x, -y) * m * mat3x3::translate (x, y); |
|
|
762 | |
|
|
763 | mat3x3 inv = m.invert (); |
|
|
764 | |
465 | rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat); |
765 | rxvt_img *img = new rxvt_img (s, format, nx, ny, new_width, new_height, repeat); |
466 | img->alloc (); |
766 | img->alloc (); |
467 | |
767 | |
468 | Display *dpy = s->display->dpy; |
768 | Display *dpy = s->display->dpy; |
469 | Picture src = src_picture (); |
769 | Picture src = picture (); |
470 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
770 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
471 | |
771 | |
472 | XTransform xfrm; |
772 | XTransform xfrm; |
473 | |
773 | |
474 | for (int i = 0; i < 3; ++i) |
774 | for (int i = 0; i < 3; ++i) |
475 | for (int j = 0; j < 3; ++j) |
775 | for (int j = 0; j < 3; ++j) |
476 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
776 | xfrm.matrix [i][j] = XDoubleToFixed (inv [i][j]); |
477 | |
|
|
478 | #if 0 |
|
|
479 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
|
|
480 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
|
|
481 | #endif |
|
|
482 | |
777 | |
483 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
778 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
484 | XRenderSetPictureTransform (dpy, src, &xfrm); |
779 | XRenderSetPictureTransform (dpy, src, &xfrm); |
485 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
780 | XRenderComposite (dpy, PictOpSrc, src, None, dst, sx, sy, 0, 0, 0, 0, new_width, new_height); |
486 | |
781 | |
487 | XRenderFreePicture (dpy, src); |
782 | XRenderFreePicture (dpy, src); |
488 | XRenderFreePicture (dpy, dst); |
783 | XRenderFreePicture (dpy, dst); |
489 | |
784 | |
490 | return img; |
785 | return img; |
… | |
… | |
494 | rxvt_img::scale (int new_width, int new_height) |
789 | rxvt_img::scale (int new_width, int new_height) |
495 | { |
790 | { |
496 | if (w == new_width && h == new_height) |
791 | if (w == new_width && h == new_height) |
497 | return clone (); |
792 | return clone (); |
498 | |
793 | |
499 | double matrix[9] = { |
|
|
500 | w / (double)new_width, 0, 0, |
|
|
501 | 0, h / (double)new_height, 0, |
|
|
502 | 0, 0, 1 |
|
|
503 | }; |
|
|
504 | |
|
|
505 | int old_repeat_mode = repeat; |
794 | int old_repeat_mode = repeat; |
506 | repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems |
795 | repeat = RepeatPad; // not right, but xrender can't properly scale it seems |
507 | |
796 | |
508 | rxvt_img *img = transform (new_width, new_height, matrix); |
797 | rxvt_img *img = transform (mat3x3::scale (new_width / (nv)w, new_height / (nv)h)); |
509 | |
798 | |
510 | repeat = old_repeat_mode; |
799 | repeat = old_repeat_mode; |
511 | img->repeat = repeat; |
800 | img->repeat = repeat; |
512 | |
801 | |
513 | return img; |
802 | return img; |
514 | } |
803 | } |
515 | |
804 | |
516 | rxvt_img * |
805 | rxvt_img * |
517 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
806 | rxvt_img::rotate (int cx, int cy, nv phi) |
518 | { |
807 | { |
519 | double s = sin (phi); |
808 | #if 0 |
520 | double c = cos (phi); |
|
|
521 | |
|
|
522 | double matrix[9] = { |
|
|
523 | c, -s, -c * x + s * y + x, |
809 | { c, -s, cx - c * cx + s * cy }, |
524 | s, c, -s * x - c * y + y, |
810 | { s, c, cy - s * cx - c * cy }, |
525 | 0, 0, 1 |
811 | { 0, 0, 1 } |
526 | }; |
812 | #endif |
527 | |
813 | |
528 | return transform (new_width, new_height, matrix); |
814 | move (-cx, -cy); |
529 | } |
815 | rxvt_img *img = transform (mat3x3::rotate (phi)); |
|
|
816 | move ( cx, cy); |
|
|
817 | img->move (cx, cy); |
530 | |
818 | |
|
|
819 | return img; |
|
|
820 | } |
|
|
821 | |
531 | rxvt_img * |
822 | rxvt_img * |
532 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg) |
823 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rgba &bg) |
533 | { |
824 | { |
534 | if (new_format == format) |
825 | if (new_format == format) |
535 | return clone (); |
826 | return clone (); |
536 | |
827 | |
537 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
828 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
538 | img->alloc (); |
829 | img->alloc (); |
539 | |
830 | |
540 | Display *dpy = s->display->dpy; |
831 | Display *dpy = s->display->dpy; |
541 | Picture src = src_picture (); |
832 | Picture src = picture (); |
542 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
833 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
543 | int op = PictOpSrc; |
834 | int op = PictOpSrc; |
544 | |
835 | |
545 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
836 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
546 | { |
837 | { |
547 | // does it have to be that complicated |
838 | // does it have to be that complicated |
548 | rgba c; |
|
|
549 | bg.get (c); |
|
|
550 | |
|
|
551 | XRenderColor rc = { c.r, c.g, c.b, 0xffff }; |
839 | XRenderColor rc = { bg.r, bg.g, bg.b, bg.a }; |
552 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
840 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
553 | |
841 | |
554 | op = PictOpOver; |
842 | op = PictOpOver; |
555 | } |
843 | } |
556 | |
844 | |
… | |
… | |
561 | |
849 | |
562 | return img; |
850 | return img; |
563 | } |
851 | } |
564 | |
852 | |
565 | rxvt_img * |
853 | rxvt_img * |
566 | rxvt_img::blend (rxvt_img *img, double factor) |
854 | rxvt_img::blend (rxvt_img *img, nv factor) |
567 | { |
855 | { |
568 | rxvt_img *img2 = clone (); |
856 | rxvt_img *img2 = clone (); |
569 | Display *dpy = s->display->dpy; |
857 | Display *dpy = s->display->dpy; |
570 | Picture src = img->src_picture (); |
858 | Picture src = img->picture (); |
571 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
859 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
572 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
860 | Picture mask = create_xrender_mask (dpy, img->pm, False, False); |
573 | |
861 | |
574 | XRenderColor mask_c; |
862 | XRenderColor mask_c; |
575 | |
863 | |
576 | mask_c.alpha = float_to_component (factor); |
864 | mask_c.alpha = float_to_component (factor); |
577 | mask_c.red = |
865 | mask_c.red = |