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1 | /*----------------------------------------------------------------------* |
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2 | * File: rxvtimg.h |
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3 | *----------------------------------------------------------------------* |
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4 | * |
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5 | * All portions of code are copyright by their respective author/s. |
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6 | * Copyright (c) 2012 Marc Lehmann <schmorp@schmorp.de> |
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7 | * Copyright (c) 2012 Emanuele Giaquinta <e.giaquinta@glauco.it> |
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8 | * |
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9 | * This program is free software; you can redistribute it and/or modify |
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10 | * it under the terms of the GNU General Public License as published by |
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11 | * the Free Software Foundation; either version 2 of the License, or |
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12 | * (at your option) any later version. |
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13 | * |
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14 | * This program is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this program; if not, write to the Free Software |
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21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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22 | *---------------------------------------------------------------------*/ |
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23 | |
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24 | #include <string.h> |
1 | #include <math.h> |
25 | #include <math.h> |
2 | #include "../config.h" |
26 | #include "../config.h" |
3 | #include "rxvt.h" |
27 | #include "rxvt.h" |
4 | |
28 | |
5 | #if HAVE_IMG |
29 | #if HAVE_IMG |
6 | |
30 | |
7 | #define float_to_component(d) ((d) * 65535.99) |
31 | typedef rxvt_img::nv nv; |
8 | |
32 | |
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33 | namespace |
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34 | { |
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35 | |
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36 | struct mat3x3 |
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37 | { |
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38 | nv v[3][3]; |
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39 | |
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40 | mat3x3 () |
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41 | { |
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42 | } |
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43 | |
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44 | mat3x3 (const nv *matrix) |
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45 | { |
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46 | memcpy (v, matrix, sizeof (v)); |
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47 | } |
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48 | |
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49 | mat3x3 (nv v11, nv v12, nv v13, nv v21, nv v22, nv v23, nv v31, nv v32, nv v33) |
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50 | { |
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51 | v[0][0] = v11; v[0][1] = v12; v[0][2] = v13; |
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52 | v[1][0] = v21; v[1][1] = v22; v[1][2] = v23; |
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53 | v[2][0] = v31; v[2][1] = v32; v[2][2] = v33; |
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54 | } |
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55 | |
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56 | mat3x3 invert (); |
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57 | |
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58 | nv *operator [](int i) { return &v[i][0]; } |
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59 | const nv *operator [](int i) const { return &v[i][0]; } |
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60 | |
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61 | operator const nv * () const { return &v[0][0]; } |
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62 | operator nv * () { return &v[0][0]; } |
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63 | |
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64 | // quite inefficient, hopefully gcc pulls the w calc out of any loops |
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65 | nv apply1 (int i, nv x, nv y) |
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66 | { |
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67 | mat3x3 &m = *this; |
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68 | |
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69 | nv v = m[i][0] * x + m[i][1] * y + m[i][2]; |
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70 | nv w = m[2][0] * x + m[2][1] * y + m[2][2]; |
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71 | |
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72 | return v * (1. / w); |
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73 | } |
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74 | |
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75 | static mat3x3 translate (nv x, nv y); |
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76 | static mat3x3 scale (nv s, nv t); |
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77 | static mat3x3 rotate (nv phi); |
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78 | }; |
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79 | |
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80 | mat3x3 |
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81 | mat3x3::invert () |
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82 | { |
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83 | mat3x3 &m = *this; |
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84 | mat3x3 inv; |
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85 | |
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86 | nv s0 = m[2][2] * m[1][1] - m[2][1] * m[1][2]; |
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87 | nv s1 = m[2][1] * m[0][2] - m[2][2] * m[0][1]; |
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88 | nv s2 = m[1][2] * m[0][1] - m[1][1] * m[0][2]; |
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89 | |
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90 | nv invdet = 1. / (m[0][0] * s0 + m[1][0] * s1 + m[2][0] * s2); |
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91 | |
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92 | inv[0][0] = invdet * s0; |
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93 | inv[0][1] = invdet * s1; |
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94 | inv[0][2] = invdet * s2; |
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95 | |
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96 | inv[1][0] = invdet * (m[2][0] * m[1][2] - m[2][2] * m[1][0]); |
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97 | inv[1][1] = invdet * (m[2][2] * m[0][0] - m[2][0] * m[0][2]); |
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98 | inv[1][2] = invdet * (m[1][0] * m[0][2] - m[1][2] * m[0][0]); |
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99 | |
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100 | inv[2][0] = invdet * (m[2][1] * m[1][0] - m[2][0] * m[1][1]); |
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101 | inv[2][1] = invdet * (m[2][0] * m[0][1] - m[2][1] * m[0][0]); |
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102 | inv[2][2] = invdet * (m[1][1] * m[0][0] - m[1][0] * m[0][1]); |
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103 | |
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104 | return inv; |
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105 | } |
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106 | |
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107 | static mat3x3 |
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108 | operator *(const mat3x3 &a, const mat3x3 &b) |
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109 | { |
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110 | mat3x3 r; |
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111 | |
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112 | for (int i = 0; i < 3; ++i) |
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113 | for (int j = 0; j < 3; ++j) |
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114 | r[i][j] = a[i][0] * b[0][j] |
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115 | + a[i][1] * b[1][j] |
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116 | + a[i][2] * b[2][j]; |
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117 | |
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118 | return r; |
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119 | } |
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120 | |
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121 | mat3x3 |
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122 | mat3x3::translate (nv x, nv y) |
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123 | { |
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124 | return mat3x3 ( |
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125 | 1, 0, x, |
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126 | 0, 1, y, |
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127 | 0, 0, 1 |
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128 | ); |
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129 | } |
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130 | |
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131 | mat3x3 |
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132 | mat3x3::scale (nv s, nv t) |
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133 | { |
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134 | return mat3x3 ( |
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135 | s, 0, 0, |
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136 | 0, t, 0, |
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137 | 0, 0, 1 |
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138 | ); |
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139 | } |
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140 | |
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141 | // clockwise |
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142 | mat3x3 |
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143 | mat3x3::rotate (nv phi) |
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144 | { |
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145 | nv s = sin (phi); |
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146 | nv c = cos (phi); |
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147 | |
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148 | return mat3x3 ( |
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149 | c, -s, 0, |
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150 | s, c, 0, |
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151 | 0, 0, 1 |
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152 | ); |
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153 | } |
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154 | |
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155 | } |
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156 | |
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157 | #if 0 |
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158 | struct pict |
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159 | { |
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160 | Display *dpy; |
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161 | Picture pic; |
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162 | |
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163 | operator Picture () const |
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164 | { |
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165 | return pic; |
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166 | } |
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167 | |
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168 | pict () |
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169 | : pic (0) |
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170 | { |
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171 | } |
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172 | |
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173 | pict (rxvt_img *img, XRenderPictFormat *format = 0) |
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174 | : dpy (img->s->display->dpy) |
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175 | { |
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176 | XRenderPictureAttributes pa; |
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177 | pa.repeat = img->repeat; |
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178 | pic = XRenderCreatePicture (dpy, img->pm, format ? format : img->format, CPRepeat, &pa); |
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179 | } |
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180 | |
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181 | ~pict () |
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182 | { |
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183 | if (pic) |
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184 | XRenderFreePicture (dpy, pic); |
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185 | } |
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186 | }; |
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187 | #endif |
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188 | |
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189 | static XRenderPictFormat * |
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190 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
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191 | { |
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192 | if (format->direct.alphaMask) |
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193 | return format; // already has alpha |
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194 | |
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195 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
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196 | if (format->type == PictTypeDirect) |
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197 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
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198 | if (f->direct.alphaMask |
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199 | && f->type == PictTypeDirect |
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200 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
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201 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
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202 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
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203 | return f; |
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204 | |
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205 | // should be a very good fallback |
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206 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
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207 | } |
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208 | |
9 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height) |
209 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
10 | : s(screen), w(width), h(height), format(format), shared(false) |
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11 | { |
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12 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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13 | } |
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14 | |
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15 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
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16 | : s(screen), pm(pixmap), w(width), h(height), format(format), shared(false) |
210 | : s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
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211 | pm(0), ref(0) |
17 | { |
212 | { |
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213 | } |
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214 | |
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215 | rxvt_img::rxvt_img (const rxvt_img &img) |
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216 | : 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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217 | { |
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218 | ++ref->cnt; |
18 | } |
219 | } |
19 | |
220 | |
20 | rxvt_img * |
221 | rxvt_img * |
21 | rxvt_img::new_from_root (rxvt_screen *s) |
222 | rxvt_img::new_from_root (rxvt_screen *s) |
22 | { |
223 | { |
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37 | return 0; |
238 | return 0; |
38 | |
239 | |
39 | rxvt_img *img = new rxvt_img ( |
240 | rxvt_img *img = new rxvt_img ( |
40 | s, |
241 | s, |
41 | XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
242 | XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
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243 | 0, |
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244 | 0, |
42 | root_pm_w, |
245 | root_pm_w, |
43 | root_pm_h, |
246 | root_pm_h |
44 | root_pixmap |
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45 | ); |
247 | ); |
46 | |
248 | |
47 | img->shared = true; |
249 | img->pm = root_pixmap; |
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250 | img->ref = new pixref (root_pm_w, root_pm_h); |
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251 | img->ref->ours = false; |
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252 | |
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253 | return img; |
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254 | } |
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255 | |
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256 | # if HAVE_PIXBUF |
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257 | |
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258 | rxvt_img * |
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259 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
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260 | { |
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261 | Display *dpy = s->display->dpy; |
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262 | |
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263 | int width = gdk_pixbuf_get_width (pb); |
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264 | int height = gdk_pixbuf_get_height (pb); |
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265 | |
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266 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
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267 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
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268 | |
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269 | // since we require rgb24/argb32 formats from xrender we assume |
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270 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
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271 | |
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272 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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273 | |
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274 | XImage xi; |
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275 | |
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276 | xi.width = width; |
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277 | xi.height = height; |
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278 | xi.xoffset = 0; |
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279 | xi.format = ZPixmap; |
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280 | xi.byte_order = ImageByteOrder (dpy); |
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281 | xi.bitmap_unit = 0; //XY only, unused |
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282 | xi.bitmap_bit_order = 0; //XY only, unused |
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283 | xi.bitmap_pad = BitmapPad (dpy); |
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284 | xi.depth = 32; |
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285 | xi.bytes_per_line = 0; |
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286 | xi.bits_per_pixel = 32; //Z only |
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287 | xi.red_mask = 0x00000000; //Z only, unused |
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288 | xi.green_mask = 0x00000000; //Z only, unused |
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289 | xi.blue_mask = 0x00000000; //Z only, unused |
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290 | xi.obdata = 0; // probably unused |
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291 | |
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292 | bool byte_order_mismatch = byte_order != xi.byte_order; |
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293 | |
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294 | if (!XInitImage (&xi)) |
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295 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
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296 | |
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297 | if (height > INT_MAX / xi.bytes_per_line) |
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298 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
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299 | |
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300 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
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301 | |
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302 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
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303 | bool pb_has_alpha = gdk_pixbuf_get_has_alpha (pb); |
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304 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
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305 | |
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306 | char *line = xi.data; |
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307 | |
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308 | for (int y = 0; y < height; y++) |
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309 | { |
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310 | unsigned char *src = row; |
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311 | uint32_t *dst = (uint32_t *)line; |
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312 | |
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313 | if (!pb_has_alpha) |
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314 | for (int x = 0; x < width; x++) |
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315 | { |
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316 | uint8_t r = *src++; |
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317 | uint8_t g = *src++; |
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318 | uint8_t b = *src++; |
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319 | |
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320 | uint32_t v = (255 << 24) | (r << 16) | (g << 8) | b; |
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321 | |
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322 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
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323 | v = ecb_bswap32 (v); |
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324 | |
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325 | *dst++ = v; |
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326 | } |
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327 | else |
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328 | for (int x = 0; x < width; x++) |
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329 | { |
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330 | uint32_t v = *(uint32_t *)src; src += 4; |
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331 | |
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332 | if (ecb_big_endian ()) |
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333 | v = ecb_bswap32 (v); |
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334 | |
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335 | v = ecb_rotl32 (v, 8); // abgr to bgra |
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336 | |
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337 | if (!byte_order_mismatch) |
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338 | v = ecb_bswap32 (v); |
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339 | |
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340 | *dst++ = v; |
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341 | } |
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342 | |
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343 | row += rowstride; |
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344 | line += xi.bytes_per_line; |
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345 | } |
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346 | |
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347 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, PictStandardARGB32), 0, 0, width, height); |
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348 | img->alloc (); |
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349 | |
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350 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
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351 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
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352 | XFreeGC (dpy, gc); |
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353 | |
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354 | free (xi.data); |
48 | |
355 | |
49 | return img; |
356 | return img; |
50 | } |
357 | } |
51 | |
358 | |
52 | rxvt_img * |
359 | rxvt_img * |
… | |
… | |
56 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
363 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
57 | |
364 | |
58 | if (!pb) |
365 | if (!pb) |
59 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
366 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
60 | |
367 | |
61 | rxvt_img *img = new rxvt_img ( |
368 | rxvt_img *img = new_from_pixbuf (s, pb); |
62 | s, |
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63 | XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
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64 | gdk_pixbuf_get_width (pb), |
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65 | gdk_pixbuf_get_height (pb) |
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66 | ); |
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67 | |
369 | |
68 | img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); |
370 | g_object_unref (pb); |
69 | |
371 | |
70 | return img; |
372 | return img; |
71 | } |
373 | } |
72 | |
374 | |
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375 | # endif |
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376 | |
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377 | void |
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378 | rxvt_img::destroy () |
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379 | { |
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380 | if (--ref->cnt) |
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381 | return; |
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382 | |
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383 | if (pm && ref->ours) |
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384 | XFreePixmap (s->display->dpy, pm); |
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385 | |
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386 | delete ref; |
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387 | } |
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388 | |
73 | rxvt_img::~rxvt_img () |
389 | rxvt_img::~rxvt_img () |
74 | { |
390 | { |
75 | if (!shared) |
391 | destroy (); |
76 | XFreePixmap (s->display->dpy, pm); |
392 | } |
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393 | |
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394 | void |
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395 | rxvt_img::alloc () |
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396 | { |
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397 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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398 | ref = new pixref (w, h); |
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399 | } |
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400 | |
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401 | Picture |
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402 | rxvt_img::picture () |
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403 | { |
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404 | Display *dpy = s->display->dpy; |
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405 | |
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406 | XRenderPictureAttributes pa; |
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407 | pa.repeat = repeat; |
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408 | Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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409 | |
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410 | return pic; |
77 | } |
411 | } |
78 | |
412 | |
79 | void |
413 | void |
80 | rxvt_img::unshare () |
414 | rxvt_img::unshare () |
81 | { |
415 | { |
82 | if (!shared) |
416 | if (ref->cnt == 1 && ref->ours) |
83 | return; |
417 | return; |
84 | |
418 | |
85 | rxvt_img *img = clone (); |
419 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
|
|
420 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
|
|
421 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
|
|
422 | XFreeGC (s->display->dpy, gc); |
86 | |
423 | |
87 | ::swap (pm , img->pm); |
424 | destroy (); |
88 | ::swap (shared, img->shared); |
425 | |
|
|
426 | pm = pm2; |
|
|
427 | ref = new pixref (ref->w, ref->h); |
|
|
428 | } |
|
|
429 | |
|
|
430 | void |
|
|
431 | rxvt_img::fill (const rgba &c) |
|
|
432 | { |
|
|
433 | XRenderColor rc = { c.r, c.g, c.b, c.a }; |
|
|
434 | |
|
|
435 | Display *dpy = s->display->dpy; |
|
|
436 | Picture src = picture (); |
|
|
437 | XRenderFillRectangle (dpy, PictOpSrc, src, &rc, 0, 0, w, h); |
|
|
438 | XRenderFreePicture (dpy, src); |
|
|
439 | } |
|
|
440 | |
|
|
441 | void |
|
|
442 | rxvt_img::add_alpha () |
|
|
443 | { |
|
|
444 | if (format->direct.alphaMask) |
|
|
445 | return; |
|
|
446 | |
|
|
447 | Display *dpy = s->display->dpy; |
|
|
448 | |
|
|
449 | rxvt_img *img = new rxvt_img (s, find_alpha_format_for (dpy, format), x, y, w, h, repeat); |
|
|
450 | img->alloc (); |
|
|
451 | |
|
|
452 | Picture src = picture (); |
|
|
453 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
454 | |
|
|
455 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
456 | |
|
|
457 | XRenderFreePicture (dpy, src); |
|
|
458 | XRenderFreePicture (dpy, dst); |
|
|
459 | |
|
|
460 | ::swap (img->ref, ref); |
|
|
461 | ::swap (img->pm , pm ); |
89 | |
462 | |
90 | delete img; |
463 | delete img; |
91 | } |
464 | } |
92 | |
465 | |
93 | void |
|
|
94 | rxvt_img::fill (const rxvt_color &c) |
|
|
95 | { |
|
|
96 | XGCValues gcv; |
|
|
97 | gcv.foreground = c; |
|
|
98 | GC gc = XCreateGC (s->display->dpy, pm, GCForeground, &gcv); |
|
|
99 | XFillRectangle (s->display->dpy, pm, gc, 0, 0, w, h); |
|
|
100 | XFreeGC (s->display->dpy, gc); |
|
|
101 | } |
|
|
102 | |
|
|
103 | static void |
466 | static void |
104 | get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
467 | get_gaussian_kernel (int radius, int width, nv *kernel, XFixed *params) |
105 | { |
468 | { |
106 | double sigma = radius / 2.0; |
469 | nv sigma = radius / 2.0; |
107 | double scale = sqrt (2.0 * M_PI) * sigma; |
470 | nv scale = sqrt (2.0 * M_PI) * sigma; |
108 | double sum = 0.0; |
471 | nv sum = 0.0; |
109 | |
472 | |
110 | for (int i = 0; i < width; i++) |
473 | for (int i = 0; i < width; i++) |
111 | { |
474 | { |
112 | double x = i - width / 2; |
475 | nv x = i - width / 2; |
113 | kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
476 | kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
114 | sum += kernel[i]; |
477 | sum += kernel[i]; |
115 | } |
478 | } |
116 | |
479 | |
117 | params[0] = XDoubleToFixed (width); |
480 | params[0] = XDoubleToFixed (width); |
… | |
… | |
127 | if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
490 | if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
128 | return clone (); |
491 | return clone (); |
129 | |
492 | |
130 | Display *dpy = s->display->dpy; |
493 | Display *dpy = s->display->dpy; |
131 | int size = max (rh, rv) * 2 + 1; |
494 | int size = max (rh, rv) * 2 + 1; |
132 | double *kernel = (double *)malloc (size * sizeof (double)); |
495 | nv *kernel = (nv *)malloc (size * sizeof (nv)); |
133 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
496 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
134 | rxvt_img *img = new rxvt_img (s, format, w, h); |
497 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
|
|
498 | img->alloc (); |
135 | |
499 | |
136 | XRenderPictureAttributes pa; |
500 | XRenderPictureAttributes pa; |
137 | |
|
|
138 | pa.repeat = RepeatPad; |
501 | pa.repeat = RepeatPad; |
139 | Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa); |
502 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
140 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
503 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
141 | |
504 | |
142 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
505 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
143 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
506 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
144 | XFreePixmap (dpy, tmp_pm); |
507 | XFreePixmap (dpy, tmp_pm); |
145 | |
508 | |
… | |
… | |
161 | |
524 | |
162 | size = rv * 2 + 1; |
525 | size = rv * 2 + 1; |
163 | get_gaussian_kernel (rv, size, kernel, params); |
526 | get_gaussian_kernel (rv, size, kernel, params); |
164 | ::swap (params[0], params[1]); |
527 | ::swap (params[0], params[1]); |
165 | |
528 | |
166 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
529 | XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
167 | XRenderComposite (dpy, |
530 | XRenderComposite (dpy, |
168 | PictOpSrc, |
531 | PictOpSrc, |
169 | tmp, |
532 | tmp, |
170 | None, |
533 | None, |
171 | dst, |
534 | dst, |
… | |
… | |
175 | w, h); |
538 | w, h); |
176 | } |
539 | } |
177 | |
540 | |
178 | free (kernel); |
541 | free (kernel); |
179 | free (params); |
542 | free (params); |
|
|
543 | |
180 | XRenderFreePicture (dpy, src); |
544 | XRenderFreePicture (dpy, src); |
181 | XRenderFreePicture (dpy, dst); |
545 | XRenderFreePicture (dpy, dst); |
182 | XRenderFreePicture (dpy, tmp); |
546 | XRenderFreePicture (dpy, tmp); |
183 | |
547 | |
184 | return img; |
548 | return img; |
185 | } |
549 | } |
186 | |
550 | |
187 | static Picture |
551 | static Picture |
188 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
552 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha) |
189 | { |
553 | { |
190 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
554 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
191 | |
555 | |
192 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
556 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
193 | XRenderPictureAttributes pa; |
557 | XRenderPictureAttributes pa; |
194 | pa.repeat = True; |
558 | pa.repeat = RepeatNormal; |
|
|
559 | pa.component_alpha = component_alpha; |
195 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
560 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa); |
196 | |
561 | |
197 | XFreePixmap (dpy, pixmap); |
562 | XFreePixmap (dpy, pixmap); |
198 | |
563 | |
199 | return mask; |
564 | return mask; |
200 | } |
565 | } |
201 | |
566 | |
|
|
567 | static void |
|
|
568 | extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
|
|
569 | { |
|
|
570 | int32_t x = clamp (c, cl0, cl1); |
|
|
571 | c -= x; |
|
|
572 | xc = x; |
|
|
573 | } |
|
|
574 | |
|
|
575 | static bool |
|
|
576 | 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) |
|
|
577 | { |
|
|
578 | extract (cl0, cl1, r, xr); |
|
|
579 | extract (cl0, cl1, g, xg); |
|
|
580 | extract (cl0, cl1, b, xb); |
|
|
581 | extract (cl0, cl1, a, xa); |
|
|
582 | |
|
|
583 | return xr | xg | xb | xa; |
|
|
584 | } |
|
|
585 | |
202 | void |
586 | void |
203 | rxvt_img::brightness (double r, double g, double b, double a) |
587 | rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
204 | { |
588 | { |
|
|
589 | unshare (); |
|
|
590 | |
205 | Display *dpy = s->display->dpy; |
591 | Display *dpy = s->display->dpy; |
206 | Picture src = create_xrender_mask (dpy, pm, True); |
|
|
207 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
592 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
208 | |
593 | |
|
|
594 | // loop should not be needed for brightness, as only -1..1 makes sense |
|
|
595 | //while (r | g | b | a) |
|
|
596 | { |
|
|
597 | unsigned short xr, xg, xb, xa; |
209 | XRenderColor mask_c; |
598 | XRenderColor mask_c; |
210 | mask_c.red = float_to_component (r); |
599 | |
211 | mask_c.green = float_to_component (g); |
600 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
212 | mask_c.blue = float_to_component (b); |
|
|
213 | mask_c.alpha = float_to_component (a); |
|
|
214 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
601 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
215 | |
602 | |
216 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
603 | if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
|
|
604 | { |
|
|
605 | XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
|
|
606 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
|
|
607 | mask_c.red = -mask_c.red; //TODO: verify that doing clamp, assign, and negation does the right thing |
|
|
608 | mask_c.green = -mask_c.green; |
|
|
609 | mask_c.blue = -mask_c.blue; |
|
|
610 | mask_c.alpha = -mask_c.alpha; |
|
|
611 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
|
|
612 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
|
|
613 | } |
|
|
614 | } |
|
|
615 | |
|
|
616 | XRenderFreePicture (dpy, dst); |
217 | } |
617 | } |
218 | |
618 | |
219 | void |
619 | void |
220 | rxvt_img::contrast (double r, double g, double b, double a) |
620 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
221 | { |
621 | { |
222 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
622 | if (r < 0 || g < 0 || b < 0 || a < 0) |
223 | return; |
623 | rxvt_fatal ("rxvt_img::contrast does not support negative values.\n"); |
224 | |
624 | |
|
|
625 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
|
|
626 | img->alloc (); |
|
|
627 | img->fill (rgba (0, 0, 0, 0)); |
|
|
628 | |
|
|
629 | // premultiply (yeah, these are not exact, sue me or fix it) |
|
|
630 | r = (r * (a >> 8)) >> 8; |
|
|
631 | g = (g * (a >> 8)) >> 8; |
|
|
632 | b = (b * (a >> 8)) >> 8; |
|
|
633 | |
225 | Display *dpy = s->display->dpy; |
634 | Display *dpy = s->display->dpy; |
226 | Picture src = create_xrender_mask (dpy, pm, True); |
635 | |
|
|
636 | Picture src = picture (); |
227 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
637 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
|
|
638 | Picture mul = create_xrender_mask (dpy, pm, True, True); |
228 | |
639 | |
|
|
640 | //TODO: this operator does not yet implement some useful contrast |
|
|
641 | while (r | g | b | a) |
|
|
642 | { |
|
|
643 | unsigned short xr, xg, xb, xa; |
229 | XRenderColor mask_c; |
644 | XRenderColor mask_c; |
230 | mask_c.red = float_to_component (r); |
|
|
231 | mask_c.green = float_to_component (g); |
|
|
232 | mask_c.blue = float_to_component (b); |
|
|
233 | mask_c.alpha = float_to_component (a); |
|
|
234 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
|
|
235 | |
645 | |
236 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
646 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
237 | } |
|
|
238 | |
|
|
239 | bool |
|
|
240 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
|
|
241 | { |
|
|
242 | Display *dpy = s->display->dpy; |
|
|
243 | |
|
|
244 | if (s->visual->c_class != TrueColor) |
|
|
245 | return false; |
|
|
246 | |
|
|
247 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
|
|
248 | |
|
|
249 | red_mask = (uint32_t)format->direct.redMask << format->direct.red; |
|
|
250 | green_mask = (uint32_t)format->direct.greenMask << format->direct.green; |
|
|
251 | blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; |
|
|
252 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
|
|
253 | |
|
|
254 | int width_r = ecb_popcount32 (red_mask); |
|
|
255 | int width_g = ecb_popcount32 (green_mask); |
|
|
256 | int width_b = ecb_popcount32 (blue_mask); |
|
|
257 | int width_a = ecb_popcount32 (alpha_mask); |
|
|
258 | |
|
|
259 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
|
|
260 | return false; |
|
|
261 | |
|
|
262 | int sh_r = ecb_ctz32 (red_mask); |
|
|
263 | int sh_g = ecb_ctz32 (green_mask); |
|
|
264 | int sh_b = ecb_ctz32 (blue_mask); |
|
|
265 | int sh_a = ecb_ctz32 (alpha_mask); |
|
|
266 | |
|
|
267 | if (width > 32767 || height > 32767) |
|
|
268 | return false; |
|
|
269 | |
|
|
270 | XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
|
|
271 | width, height, 32, 0); |
|
|
272 | if (!ximage) |
|
|
273 | return false; |
|
|
274 | |
|
|
275 | if (height > INT_MAX / ximage->bytes_per_line |
|
|
276 | || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
|
|
277 | { |
|
|
278 | XDestroyImage (ximage); |
|
|
279 | return false; |
|
|
280 | } |
|
|
281 | |
|
|
282 | GC gc = XCreateGC (dpy, pm, 0, 0); |
|
|
283 | |
|
|
284 | ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
|
|
285 | |
|
|
286 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
|
|
287 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
|
|
288 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
|
|
289 | char *line = ximage->data; |
|
|
290 | |
|
|
291 | rgba c (0, 0, 0); |
|
|
292 | |
|
|
293 | if (channels == 4 && alpha_mask == 0) |
|
|
294 | { |
|
|
295 | //pix_colors[Color_bg].get (c); |
|
|
296 | //TODO |
|
|
297 | c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D |
|
|
298 | c.r >>= 8; |
|
|
299 | c.g >>= 8; |
|
|
300 | c.b >>= 8; |
|
|
301 | } |
|
|
302 | |
|
|
303 | for (int y = 0; y < height; y++) |
|
|
304 | { |
|
|
305 | for (int x = 0; x < width; x++) |
|
|
306 | { |
647 | { |
307 | unsigned char *pixel = row + x * channels; |
648 | XRenderFillRectangle (dpy, PictOpSrc, mul, &mask_c, 0, 0, 1, 1); |
308 | uint32_t value; |
649 | XRenderComposite (dpy, PictOpAdd, src, mul, dst, 0, 0, 0, 0, 0, 0, w, h); |
309 | unsigned char r, g, b, a; |
|
|
310 | |
|
|
311 | if (channels == 4) |
|
|
312 | { |
|
|
313 | a = pixel[3]; |
|
|
314 | r = (pixel[0] * a + c.r * (0xff - a)) / 0xff; |
|
|
315 | g = (pixel[1] * a + c.g * (0xff - a)) / 0xff; |
|
|
316 | b = (pixel[2] * a + c.b * (0xff - a)) / 0xff; |
|
|
317 | } |
|
|
318 | else |
|
|
319 | { |
|
|
320 | a = 0xff; |
|
|
321 | r = pixel[0]; |
|
|
322 | g = pixel[1]; |
|
|
323 | b = pixel[2]; |
|
|
324 | } |
|
|
325 | |
|
|
326 | value = ((r >> (8 - width_r)) << sh_r) |
|
|
327 | | ((g >> (8 - width_g)) << sh_g) |
|
|
328 | | ((b >> (8 - width_b)) << sh_b) |
|
|
329 | | ((a >> (8 - width_a)) << sh_a); |
|
|
330 | |
|
|
331 | if (ximage->bits_per_pixel == 32) |
|
|
332 | ((uint32_t *)line)[x] = value; |
|
|
333 | else |
|
|
334 | XPutPixel (ximage, x, y, value); |
|
|
335 | } |
650 | } |
|
|
651 | } |
336 | |
652 | |
337 | row += rowstride; |
653 | XRenderFreePicture (dpy, mul); |
338 | line += ximage->bytes_per_line; |
654 | XRenderFreePicture (dpy, dst); |
|
|
655 | XRenderFreePicture (dpy, src); |
|
|
656 | |
|
|
657 | ::swap (img->ref, ref); |
|
|
658 | ::swap (img->pm , pm ); |
|
|
659 | |
|
|
660 | delete img; |
|
|
661 | } |
|
|
662 | |
|
|
663 | void |
|
|
664 | rxvt_img::draw (rxvt_img *img, int op, nv mask) |
|
|
665 | { |
|
|
666 | unshare (); |
|
|
667 | |
|
|
668 | Display *dpy = s->display->dpy; |
|
|
669 | Picture src = img->picture (); |
|
|
670 | Picture dst = picture (); |
|
|
671 | Picture mask_p = 0; |
|
|
672 | |
|
|
673 | if (mask != 1.) |
339 | } |
674 | { |
|
|
675 | mask_p = create_xrender_mask (dpy, img->pm, False, False); |
|
|
676 | XRenderColor mask_c = { 0, 0, 0, float_to_component (mask) }; |
|
|
677 | XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
|
|
678 | } |
340 | |
679 | |
341 | XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
680 | XRenderComposite (dpy, op, src, mask_p, dst, x - img->x, y - img->y, 0, 0, 0, 0, w, h); |
342 | XDestroyImage (ximage); |
|
|
343 | XFreeGC (dpy, gc); |
|
|
344 | |
|
|
345 | return true; |
|
|
346 | } |
|
|
347 | |
|
|
348 | rxvt_img * |
|
|
349 | rxvt_img::clone () |
|
|
350 | { |
|
|
351 | rxvt_img *img = new rxvt_img (s, format, w, h); |
|
|
352 | |
|
|
353 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
|
|
354 | XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0); |
|
|
355 | XFreeGC (s->display->dpy, gc); |
|
|
356 | |
|
|
357 | return img; |
|
|
358 | } |
|
|
359 | |
|
|
360 | rxvt_img * |
|
|
361 | rxvt_img::sub_rect (int x, int y, int width, int height, int repeat) |
|
|
362 | { |
|
|
363 | rxvt_img *img = new rxvt_img (s, format, width, height); |
|
|
364 | |
|
|
365 | Display *dpy = s->display->dpy; |
|
|
366 | XRenderPictureAttributes pa; |
|
|
367 | pa.repeat = repeat; |
|
|
368 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
|
|
369 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
370 | |
|
|
371 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height); |
|
|
372 | |
681 | |
373 | XRenderFreePicture (dpy, src); |
682 | XRenderFreePicture (dpy, src); |
374 | XRenderFreePicture (dpy, dst); |
683 | XRenderFreePicture (dpy, dst); |
375 | |
684 | |
|
|
685 | if (mask_p) |
|
|
686 | XRenderFreePicture (dpy, mask_p); |
|
|
687 | } |
|
|
688 | |
|
|
689 | rxvt_img * |
|
|
690 | rxvt_img::clone () |
|
|
691 | { |
|
|
692 | return new rxvt_img (*this); |
|
|
693 | } |
|
|
694 | |
|
|
695 | rxvt_img * |
|
|
696 | rxvt_img::reify () |
|
|
697 | { |
|
|
698 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
|
|
699 | return clone (); |
|
|
700 | |
|
|
701 | Display *dpy = s->display->dpy; |
|
|
702 | |
|
|
703 | // add an alpha channel if... |
|
|
704 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
|
|
705 | && (x || y) // we need one because of non-zero offset |
|
|
706 | && repeat == RepeatNone; // and we have no good pixels to fill with |
|
|
707 | |
|
|
708 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
|
|
709 | img->alloc (); |
|
|
710 | |
|
|
711 | Picture src = picture (); |
|
|
712 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
713 | |
|
|
714 | if (alpha) |
|
|
715 | { |
|
|
716 | XRenderColor rc = { 0, 0, 0, 0 }; |
|
|
717 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
|
|
718 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, x, y, ref->w, ref->h); |
|
|
719 | } |
|
|
720 | else |
|
|
721 | XRenderComposite (dpy, PictOpSrc, src, None, dst, -x, -y, 0, 0, 0, 0, w, h); |
|
|
722 | |
|
|
723 | XRenderFreePicture (dpy, src); |
|
|
724 | XRenderFreePicture (dpy, dst); |
|
|
725 | |
376 | return img; |
726 | return img; |
377 | } |
727 | } |
378 | |
728 | |
379 | rxvt_img * |
729 | rxvt_img * |
380 | rxvt_img::transform (int new_width, int new_height, double matrix[9], int repeat) |
730 | rxvt_img::sub_rect (int x, int y, int width, int height) |
381 | { |
731 | { |
|
|
732 | rxvt_img *img = clone (); |
|
|
733 | |
|
|
734 | img->x -= x; |
|
|
735 | img->y -= y; |
|
|
736 | |
|
|
737 | if (w != width || h != height) |
|
|
738 | { |
|
|
739 | img->w = width; |
|
|
740 | img->h = height; |
|
|
741 | |
|
|
742 | rxvt_img *img2 = img->reify (); |
|
|
743 | delete img; |
|
|
744 | img = img2; |
|
|
745 | } |
|
|
746 | |
|
|
747 | return img; |
|
|
748 | } |
|
|
749 | |
|
|
750 | rxvt_img * |
|
|
751 | rxvt_img::transform (const nv matrix[3][3]) |
|
|
752 | { |
|
|
753 | return transform (mat3x3 (&matrix[0][0])); |
|
|
754 | } |
|
|
755 | |
|
|
756 | rxvt_img * |
|
|
757 | rxvt_img::transform (const nv *matrix) |
|
|
758 | { |
|
|
759 | mat3x3 m (matrix); |
|
|
760 | |
|
|
761 | // calculate new pixel bounding box coordinates |
|
|
762 | nv r[2], rmin[2], rmax[2]; |
|
|
763 | |
|
|
764 | for (int i = 0; i < 2; ++i) |
|
|
765 | { |
|
|
766 | nv v; |
|
|
767 | |
|
|
768 | v = m.apply1 (i, 0+x, 0+y); rmin [i] = rmax [i] = v; r [i] = v; |
|
|
769 | v = m.apply1 (i, w+x, 0+y); min_it (rmin [i], v); max_it (rmax [i], v); |
|
|
770 | v = m.apply1 (i, 0+x, h+y); min_it (rmin [i], v); max_it (rmax [i], v); |
|
|
771 | v = m.apply1 (i, w+x, h+y); min_it (rmin [i], v); max_it (rmax [i], v); |
|
|
772 | } |
|
|
773 | |
|
|
774 | float sx = rmin [0] - x; |
|
|
775 | float sy = rmin [1] - y; |
|
|
776 | |
|
|
777 | // TODO: adjust matrix for subpixel accuracy |
|
|
778 | int nx = floor (rmin [0]); |
|
|
779 | int ny = floor (rmin [1]); |
|
|
780 | |
|
|
781 | int new_width = ceil (rmax [0] - rmin [0]); |
|
|
782 | int new_height = ceil (rmax [1] - rmin [1]); |
|
|
783 | |
|
|
784 | m = mat3x3::translate (-x, -y) * m * mat3x3::translate (x, y); |
|
|
785 | |
|
|
786 | mat3x3 inv = m.invert (); |
|
|
787 | |
382 | rxvt_img *img = new rxvt_img (s, format, new_width, new_height); |
788 | rxvt_img *img = new rxvt_img (s, format, nx, ny, new_width, new_height, repeat); |
|
|
789 | img->alloc (); |
383 | |
790 | |
384 | Display *dpy = s->display->dpy; |
791 | Display *dpy = s->display->dpy; |
385 | XRenderPictureAttributes pa; |
792 | Picture src = picture (); |
386 | pa.repeat = repeat; |
|
|
387 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
|
|
388 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
793 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
389 | |
794 | |
390 | XTransform xfrm; |
795 | XTransform xfrm; |
391 | |
796 | |
392 | for (int i = 0; i < 3; ++i) |
797 | for (int i = 0; i < 3; ++i) |
393 | for (int j = 0; j < 3; ++j) |
798 | for (int j = 0; j < 3; ++j) |
394 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
799 | xfrm.matrix [i][j] = XDoubleToFixed (inv [i][j]); |
395 | |
800 | |
396 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
801 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
397 | XRenderSetPictureTransform (dpy, src, &xfrm); |
802 | XRenderSetPictureTransform (dpy, src, &xfrm); |
398 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
803 | XRenderComposite (dpy, PictOpSrc, src, None, dst, sx, sy, 0, 0, 0, 0, new_width, new_height); |
399 | |
804 | |
400 | XRenderFreePicture (dpy, src); |
805 | XRenderFreePicture (dpy, src); |
401 | XRenderFreePicture (dpy, dst); |
806 | XRenderFreePicture (dpy, dst); |
402 | |
807 | |
403 | return img; |
808 | return img; |
404 | } |
809 | } |
405 | |
810 | |
406 | rxvt_img * |
811 | rxvt_img * |
407 | rxvt_img::scale (int new_width, int new_height) |
812 | rxvt_img::scale (int new_width, int new_height) |
408 | { |
813 | { |
409 | double matrix[9] = { |
814 | if (w == new_width && h == new_height) |
410 | w / (double)new_width, 0, 0, |
815 | return clone (); |
411 | 0, h / (double)new_height, 0, |
|
|
412 | 0, 0, 1 |
|
|
413 | }; |
|
|
414 | |
816 | |
415 | return transform (new_width, new_height, matrix); |
817 | int old_repeat_mode = repeat; |
416 | } |
818 | repeat = RepeatPad; // not right, but xrender can't properly scale it seems |
417 | |
819 | |
418 | rxvt_img * |
820 | rxvt_img *img = transform (mat3x3::scale (new_width / (nv)w, new_height / (nv)h)); |
419 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat) |
|
|
420 | { |
|
|
421 | double s = sin (phi); |
|
|
422 | double c = cos (phi); |
|
|
423 | |
821 | |
424 | double matrix[9] = { |
822 | repeat = old_repeat_mode; |
|
|
823 | img->repeat = repeat; |
|
|
824 | |
|
|
825 | return img; |
|
|
826 | } |
|
|
827 | |
|
|
828 | rxvt_img * |
|
|
829 | rxvt_img::rotate (int cx, int cy, nv phi) |
|
|
830 | { |
|
|
831 | #if 0 |
425 | c, -s, -c * x + s * y + x, |
832 | { c, -s, cx - c * cx + s * cy }, |
426 | s, c, -s * x - c * y + y, |
833 | { s, c, cy - s * cx - c * cy }, |
427 | 0, 0, 1 |
834 | { 0, 0, 1 } |
428 | }; |
835 | #endif |
429 | |
836 | |
430 | return transform (new_width, new_height, matrix, repeat); |
837 | move (-cx, -cy); |
431 | } |
838 | rxvt_img *img = transform (mat3x3::rotate (phi)); |
|
|
839 | move ( cx, cy); |
|
|
840 | img->move (cx, cy); |
432 | |
841 | |
|
|
842 | return img; |
|
|
843 | } |
|
|
844 | |
433 | rxvt_img * |
845 | rxvt_img * |
434 | rxvt_img::convert_to (XRenderPictFormat *new_format) |
846 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rgba &bg) |
435 | { |
847 | { |
|
|
848 | if (new_format == format) |
|
|
849 | return clone (); |
|
|
850 | |
436 | rxvt_img *img = new rxvt_img (s, new_format, w, h); |
851 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
|
|
852 | img->alloc (); |
437 | |
853 | |
438 | Display *dpy = s->display->dpy; |
854 | Display *dpy = s->display->dpy; |
439 | Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); |
855 | Picture src = picture (); |
440 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
856 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
|
|
857 | int op = PictOpSrc; |
441 | |
858 | |
|
|
859 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
|
|
860 | { |
|
|
861 | // does it have to be that complicated |
|
|
862 | XRenderColor rc = { bg.r, bg.g, bg.b, bg.a }; |
|
|
863 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
|
|
864 | |
|
|
865 | op = PictOpOver; |
|
|
866 | } |
|
|
867 | |
442 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
868 | XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
443 | |
869 | |
444 | XRenderFreePicture (dpy, src); |
870 | XRenderFreePicture (dpy, src); |
445 | XRenderFreePicture (dpy, dst); |
871 | XRenderFreePicture (dpy, dst); |
446 | |
872 | |
447 | return img; |
873 | return img; |
448 | } |
874 | } |
449 | |
875 | |
|
|
876 | rxvt_img * |
|
|
877 | rxvt_img::blend (rxvt_img *img, nv factor) |
|
|
878 | { |
|
|
879 | rxvt_img *img2 = clone (); |
|
|
880 | Display *dpy = s->display->dpy; |
|
|
881 | Picture src = img->picture (); |
|
|
882 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
|
|
883 | Picture mask = create_xrender_mask (dpy, img->pm, False, False); |
|
|
884 | |
|
|
885 | XRenderColor mask_c; |
|
|
886 | |
|
|
887 | mask_c.alpha = float_to_component (factor); |
|
|
888 | mask_c.red = |
|
|
889 | mask_c.green = |
|
|
890 | mask_c.blue = 0; |
|
|
891 | XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
|
|
892 | |
|
|
893 | XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
894 | |
|
|
895 | XRenderFreePicture (dpy, src); |
|
|
896 | XRenderFreePicture (dpy, dst); |
|
|
897 | XRenderFreePicture (dpy, mask); |
|
|
898 | |
|
|
899 | return img2; |
|
|
900 | } |
|
|
901 | |
450 | #endif |
902 | #endif |
451 | |
903 | |