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1 | /*----------------------------------------------------------------------* |
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2 | * File: rxvtimg.C |
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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 3 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 | |
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31 | typedef rxvt_img::nv nv; |
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32 | |
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33 | namespace |
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34 | { |
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35 | struct mat3x3 |
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36 | { |
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37 | nv v[3][3]; |
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38 | |
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39 | mat3x3 () |
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40 | { |
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41 | } |
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42 | |
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43 | mat3x3 (const nv *matrix) |
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44 | { |
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45 | memcpy (v, matrix, sizeof (v)); |
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46 | } |
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47 | |
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48 | mat3x3 (nv v11, nv v12, nv v13, nv v21, nv v22, nv v23, nv v31, nv v32, nv v33) |
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49 | { |
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50 | v[0][0] = v11; v[0][1] = v12; v[0][2] = v13; |
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51 | v[1][0] = v21; v[1][1] = v22; v[1][2] = v23; |
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52 | v[2][0] = v31; v[2][1] = v32; v[2][2] = v33; |
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53 | } |
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54 | |
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55 | mat3x3 inverse (); |
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56 | |
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57 | nv *operator [](int i) { return &v[i][0]; } |
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58 | const nv *operator [](int i) const { return &v[i][0]; } |
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59 | |
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60 | operator const nv * () const { return &v[0][0]; } |
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61 | operator nv * () { return &v[0][0]; } |
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62 | |
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63 | // quite inefficient, hopefully gcc pulls the w calc out of any loops |
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64 | nv apply1 (int i, nv x, nv y) |
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65 | { |
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66 | mat3x3 &m = *this; |
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67 | |
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68 | nv v = m[i][0] * x + m[i][1] * y + m[i][2]; |
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69 | nv w = m[2][0] * x + m[2][1] * y + m[2][2]; |
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70 | |
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71 | return v * (1. / w); |
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72 | } |
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73 | |
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74 | static mat3x3 translate (nv x, nv y); |
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75 | static mat3x3 scale (nv s, nv t); |
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76 | static mat3x3 rotate (nv phi); |
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77 | }; |
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78 | |
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79 | mat3x3 |
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80 | mat3x3::inverse () |
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81 | { |
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82 | mat3x3 &m = *this; |
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83 | mat3x3 inv; |
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84 | |
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85 | nv s0 = m[2][2] * m[1][1] - m[2][1] * m[1][2]; |
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86 | nv s1 = m[2][1] * m[0][2] - m[2][2] * m[0][1]; |
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87 | nv s2 = m[1][2] * m[0][1] - m[1][1] * m[0][2]; |
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88 | |
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89 | nv invdet = 1. / (m[0][0] * s0 + m[1][0] * s1 + m[2][0] * s2); |
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90 | |
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91 | inv[0][0] = invdet * s0; |
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92 | inv[0][1] = invdet * s1; |
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93 | inv[0][2] = invdet * s2; |
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94 | |
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95 | inv[1][0] = invdet * (m[2][0] * m[1][2] - m[2][2] * m[1][0]); |
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96 | inv[1][1] = invdet * (m[2][2] * m[0][0] - m[2][0] * m[0][2]); |
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97 | inv[1][2] = invdet * (m[1][0] * m[0][2] - m[1][2] * m[0][0]); |
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98 | |
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99 | inv[2][0] = invdet * (m[2][1] * m[1][0] - m[2][0] * m[1][1]); |
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100 | inv[2][1] = invdet * (m[2][0] * m[0][1] - m[2][1] * m[0][0]); |
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101 | inv[2][2] = invdet * (m[1][1] * m[0][0] - m[1][0] * m[0][1]); |
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102 | |
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103 | return inv; |
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104 | } |
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105 | |
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106 | static mat3x3 |
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107 | operator *(const mat3x3 &a, const mat3x3 &b) |
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108 | { |
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109 | mat3x3 r; |
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110 | |
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111 | for (int i = 0; i < 3; ++i) |
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112 | for (int j = 0; j < 3; ++j) |
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113 | r[i][j] = a[i][0] * b[0][j] |
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114 | + a[i][1] * b[1][j] |
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115 | + a[i][2] * b[2][j]; |
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116 | |
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117 | return r; |
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118 | } |
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119 | |
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120 | mat3x3 |
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121 | mat3x3::translate (nv x, nv y) |
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122 | { |
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123 | return mat3x3 ( |
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124 | 1, 0, x, |
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125 | 0, 1, y, |
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126 | 0, 0, 1 |
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127 | ); |
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128 | } |
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129 | |
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130 | mat3x3 |
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131 | mat3x3::scale (nv s, nv t) |
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132 | { |
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133 | return mat3x3 ( |
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134 | s, 0, 0, |
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135 | 0, t, 0, |
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136 | 0, 0, 1 |
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137 | ); |
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138 | } |
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139 | |
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140 | // clockwise |
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141 | mat3x3 |
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142 | mat3x3::rotate (nv phi) |
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143 | { |
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144 | nv s = sin (phi); |
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145 | nv c = cos (phi); |
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146 | |
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147 | return mat3x3 ( |
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148 | c, -s, 0, |
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149 | s, c, 0, |
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150 | 0, 0, 1 |
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151 | ); |
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152 | } |
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153 | |
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154 | struct composer |
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155 | { |
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156 | rxvt_img *srcimg, *dstimg; |
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157 | Picture src, dst, msk; |
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158 | Display *dpy; |
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159 | |
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160 | ecb_noinline |
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161 | composer (rxvt_img *srcimg, rxvt_img *dstimg = 0) |
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162 | : srcimg (srcimg), dstimg (dstimg), msk (0) |
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163 | { |
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164 | if (!this->dstimg) |
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165 | this->dstimg = srcimg->new_empty (); |
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166 | else if (!this->dstimg->pm) // somewhat unsatisfying |
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167 | this->dstimg->alloc (); |
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168 | |
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169 | dpy = srcimg->d->dpy; |
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170 | src = srcimg->picture (); |
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171 | dst = this->dstimg->picture (); |
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172 | } |
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173 | |
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174 | ecb_noinline |
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175 | void mask (bool rgb = true, int w = 1, int h = 1) |
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176 | { |
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177 | Pixmap pixmap = XCreatePixmap (dpy, srcimg->pm, w, h, rgb ? 32 : 8); |
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178 | |
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179 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, rgb ? PictStandardARGB32 : PictStandardA8); |
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180 | XRenderPictureAttributes pa; |
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181 | pa.repeat = RepeatNormal; |
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182 | pa.component_alpha = rgb; |
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183 | msk = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa); |
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184 | |
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185 | XFreePixmap (dpy, pixmap); |
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186 | |
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187 | ecb_assume (msk); |
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188 | } |
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189 | |
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190 | // CreateSolidFill creates a very very very weird picture |
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191 | void mask (const rgba &c) |
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192 | { |
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193 | // the casts are needed in C++11 (see 8.5.1) |
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194 | XRenderColor rc = { |
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195 | (unsigned short)(c.r * c.a / 65535), |
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196 | (unsigned short)(c.g * c.a / 65535), |
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197 | (unsigned short)(c.b * c.a / 65535), |
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198 | c.a |
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199 | }; |
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200 | msk = XRenderCreateSolidFill (dpy, &rc); |
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201 | ecb_assume (msk); |
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202 | } |
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203 | |
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204 | void fill (const rgba &c) |
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205 | { |
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206 | XRenderColor rc = { |
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207 | (unsigned short)(c.r * c.a / 65535), |
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208 | (unsigned short)(c.g * c.a / 65535), |
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209 | (unsigned short)(c.b * c.a / 65535), |
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210 | c.a |
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211 | }; |
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212 | |
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213 | XRenderFillRectangle (dpy, PictOpSrc, msk, &rc, 0, 0, 1, 1); |
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214 | } |
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215 | |
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216 | operator rxvt_img *() |
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217 | { |
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218 | return dstimg; |
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219 | } |
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220 | |
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221 | ecb_noinline |
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222 | ~composer () |
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223 | { |
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224 | XRenderFreePicture (dpy, src); |
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225 | XRenderFreePicture (dpy, dst); |
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226 | if (msk) XRenderFreePicture (dpy, msk); |
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227 | } |
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228 | }; |
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229 | } |
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230 | |
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231 | static XRenderPictFormat * |
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232 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
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233 | { |
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234 | if (format->direct.alphaMask) |
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235 | return format; // already has alpha |
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236 | |
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237 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
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238 | if (format->type == PictTypeDirect) |
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239 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
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240 | if (f->direct.alphaMask |
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241 | && f->type == PictTypeDirect |
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242 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
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243 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
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244 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
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245 | return f; |
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246 | |
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247 | // should be a very good fallback |
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248 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
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249 | } |
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250 | |
7 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
251 | 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), |
252 | : d(screen->display), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
9 | pm(0), ref(0) |
253 | pm(0), ref(0) |
10 | { |
254 | { |
11 | } |
255 | } |
12 | |
256 | |
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257 | rxvt_img::rxvt_img (rxvt_display *display, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
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258 | : d(display), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
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259 | pm(0), ref(0) |
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260 | { |
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261 | } |
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262 | |
13 | rxvt_img::rxvt_img (const rxvt_img &img) |
263 | rxvt_img::rxvt_img (const rxvt_img &img) |
14 | : s(img.s), x(img.x), y(img.y), w(img.w), h(img.h), format(img.format), repeat(img.repeat), pm(img.pm), ref(img.ref) |
264 | : d(img.d), x(img.x), y(img.y), w(img.w), h(img.h), format(img.format), repeat(img.repeat), pm(img.pm), ref(img.ref) |
15 | { |
265 | { |
16 | ++ref->cnt; |
266 | ++ref->cnt; |
17 | } |
267 | } |
18 | |
268 | |
19 | rxvt_img * |
269 | rxvt_img * |
20 | rxvt_img::new_from_root (rxvt_screen *s) |
270 | rxvt_img::new_from_root (rxvt_screen *s) |
21 | { |
271 | { |
22 | Display *dpy = s->display->dpy; |
272 | Display *dpy = s->dpy; |
23 | unsigned int root_pm_w, root_pm_h; |
273 | unsigned int root_pm_w, root_pm_h; |
24 | Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_XROOTPMAP_ID]); |
274 | Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa [XA_XROOTPMAP_ID]); |
25 | if (root_pixmap == None) |
275 | if (root_pixmap == None) |
26 | root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_ESETROOT_PMAP_ID]); |
276 | root_pixmap = s->display->get_pixmap_property (s->display->xa [XA_ESETROOT_PMAP_ID]); |
27 | |
277 | |
28 | if (root_pixmap == None) |
278 | if (root_pixmap == None) |
29 | return 0; |
279 | return 0; |
30 | |
280 | |
31 | Window wdummy; |
281 | Window wdummy; |
… | |
… | |
54 | # if HAVE_PIXBUF |
304 | # if HAVE_PIXBUF |
55 | |
305 | |
56 | rxvt_img * |
306 | rxvt_img * |
57 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
307 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
58 | { |
308 | { |
59 | Display *dpy = s->display->dpy; |
309 | Display *dpy = s->dpy; |
60 | |
310 | |
61 | int width = gdk_pixbuf_get_width (pb); |
311 | int width = gdk_pixbuf_get_width (pb); |
62 | int height = gdk_pixbuf_get_height (pb); |
312 | int height = gdk_pixbuf_get_height (pb); |
63 | |
313 | |
64 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
314 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
… | |
… | |
106 | for (int y = 0; y < height; y++) |
356 | for (int y = 0; y < height; y++) |
107 | { |
357 | { |
108 | unsigned char *src = row; |
358 | unsigned char *src = row; |
109 | uint32_t *dst = (uint32_t *)line; |
359 | uint32_t *dst = (uint32_t *)line; |
110 | |
360 | |
111 | if (!pb_has_alpha) |
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112 | for (int x = 0; x < width; x++) |
361 | for (int x = 0; x < width; x++) |
113 | { |
362 | { |
114 | uint8_t r = *src++; |
363 | uint8_t r = *src++; |
115 | uint8_t g = *src++; |
364 | uint8_t g = *src++; |
116 | uint8_t b = *src++; |
365 | uint8_t b = *src++; |
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366 | uint8_t a = *src; |
117 | |
367 | |
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368 | // this is done so it can be jump-free, but newer gcc's clone inner the loop |
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369 | a = pb_has_alpha ? a : 255; |
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370 | src += pb_has_alpha; |
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371 | |
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372 | r = (r * a + 127) / 255; |
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373 | g = (g * a + 127) / 255; |
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374 | b = (b * a + 127) / 255; |
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375 | |
118 | uint32_t v = (255 << 24) | (r << 16) | (g << 8) | b; |
376 | uint32_t v = (a << 24) | (r << 16) | (g << 8) | b; |
119 | |
377 | |
120 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
378 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
121 | v = ecb_bswap32 (v); |
379 | v = ecb_bswap32 (v); |
122 | |
380 | |
123 | *dst++ = v; |
381 | *dst++ = v; |
124 | } |
382 | } |
125 | else |
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126 | for (int x = 0; x < width; x++) |
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127 | { |
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128 | uint32_t v = *(uint32_t *)src; src += 4; |
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129 | |
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130 | if (ecb_big_endian ()) |
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131 | v = ecb_bswap32 (v); |
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132 | |
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133 | v = ecb_rotl32 (v, 8); // abgr to bgra |
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134 | |
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135 | if (!byte_order_mismatch) |
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136 | v = ecb_bswap32 (v); |
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137 | |
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138 | *dst++ = v; |
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139 | } |
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140 | |
383 | |
141 | row += rowstride; |
384 | row += rowstride; |
142 | line += xi.bytes_per_line; |
385 | line += xi.bytes_per_line; |
143 | } |
386 | } |
144 | |
387 | |
… | |
… | |
155 | } |
398 | } |
156 | |
399 | |
157 | rxvt_img * |
400 | rxvt_img * |
158 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
401 | rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
159 | { |
402 | { |
160 | GError *err = 0; |
403 | GError *err; |
161 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
404 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
162 | |
405 | |
163 | if (!pb) |
406 | if (!pb) |
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407 | try |
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408 | { |
164 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
409 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
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410 | } |
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411 | catch (...) |
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412 | { |
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413 | g_error_free (err); |
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414 | throw; |
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415 | } |
165 | |
416 | |
166 | rxvt_img *img = new_from_pixbuf (s, pb); |
417 | rxvt_img *img = new_from_pixbuf (s, pb); |
167 | |
418 | |
168 | g_object_unref (pb); |
419 | g_object_unref (pb); |
169 | |
420 | |
… | |
… | |
177 | { |
428 | { |
178 | if (--ref->cnt) |
429 | if (--ref->cnt) |
179 | return; |
430 | return; |
180 | |
431 | |
181 | if (pm && ref->ours) |
432 | if (pm && ref->ours) |
182 | XFreePixmap (s->display->dpy, pm); |
433 | XFreePixmap (d->dpy, pm); |
183 | |
434 | |
184 | delete ref; |
435 | delete ref; |
185 | } |
436 | } |
186 | |
437 | |
187 | rxvt_img::~rxvt_img () |
438 | rxvt_img::~rxvt_img () |
… | |
… | |
190 | } |
441 | } |
191 | |
442 | |
192 | void |
443 | void |
193 | rxvt_img::alloc () |
444 | rxvt_img::alloc () |
194 | { |
445 | { |
195 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
446 | pm = XCreatePixmap (d->dpy, d->root, w, h, format->depth); |
196 | ref = new pixref (w, h); |
447 | ref = new pixref (w, h); |
197 | } |
448 | } |
198 | |
449 | |
|
|
450 | rxvt_img * |
|
|
451 | rxvt_img::new_empty () |
|
|
452 | { |
|
|
453 | rxvt_img *img = new rxvt_img (d, format, x, y, w, h, repeat); |
|
|
454 | img->alloc (); |
|
|
455 | |
|
|
456 | return img; |
|
|
457 | } |
|
|
458 | |
199 | Picture |
459 | Picture |
200 | rxvt_img::src_picture () |
460 | rxvt_img::picture () |
201 | { |
461 | { |
202 | Display *dpy = s->display->dpy; |
462 | Display *dpy = d->dpy; |
203 | |
463 | |
204 | XRenderPictureAttributes pa; |
464 | XRenderPictureAttributes pa; |
205 | pa.repeat = repeat; |
465 | pa.repeat = repeat; |
206 | Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
466 | Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
207 | |
467 | |
… | |
… | |
212 | rxvt_img::unshare () |
472 | rxvt_img::unshare () |
213 | { |
473 | { |
214 | if (ref->cnt == 1 && ref->ours) |
474 | if (ref->cnt == 1 && ref->ours) |
215 | return; |
475 | return; |
216 | |
476 | |
217 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
477 | Pixmap pm2 = XCreatePixmap (d->dpy, d->root, ref->w, ref->h, format->depth); |
218 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
478 | GC gc = XCreateGC (d->dpy, pm, 0, 0); |
219 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
479 | XCopyArea (d->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
220 | XFreeGC (s->display->dpy, gc); |
480 | XFreeGC (d->dpy, gc); |
221 | |
481 | |
222 | destroy (); |
482 | destroy (); |
223 | |
483 | |
224 | pm = pm2; |
484 | pm = pm2; |
225 | ref = new pixref (ref->w, ref->h); |
485 | ref = new pixref (ref->w, ref->h); |
226 | } |
486 | } |
227 | |
487 | |
228 | void |
488 | void |
229 | rxvt_img::fill (const rxvt_color &c) |
489 | rxvt_img::fill (const rgba &c, int x, int y, int w, int h) |
230 | { |
490 | { |
231 | rgba cc; |
|
|
232 | c.get (cc); |
|
|
233 | XRenderColor rc = { cc.r, cc.g, cc.b, cc.a }; |
491 | XRenderColor rc = { c.r, c.g, c.b, c.a }; |
234 | |
492 | |
235 | Display *dpy = s->display->dpy; |
493 | Display *dpy = d->dpy; |
236 | Picture src = src_picture (); |
494 | Picture src = picture (); |
237 | XRenderFillRectangle (dpy, PictOpSrc, src, &rc, 0, 0, w, h); |
495 | XRenderFillRectangle (dpy, PictOpSrc, src, &rc, x, y, w, h); |
238 | XRenderFreePicture (dpy, src); |
496 | XRenderFreePicture (dpy, src); |
239 | } |
497 | } |
240 | |
498 | |
|
|
499 | void |
|
|
500 | rxvt_img::fill (const rgba &c) |
|
|
501 | { |
|
|
502 | fill (c, 0, 0, w, h); |
|
|
503 | } |
|
|
504 | |
|
|
505 | void |
|
|
506 | rxvt_img::add_alpha () |
|
|
507 | { |
|
|
508 | if (format->direct.alphaMask) |
|
|
509 | return; |
|
|
510 | |
|
|
511 | composer cc (this, new rxvt_img (d, find_alpha_format_for (d->dpy, format), x, y, w, h, repeat)); |
|
|
512 | |
|
|
513 | XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
514 | |
|
|
515 | rxvt_img *img = cc; |
|
|
516 | |
|
|
517 | ::swap (img->ref, ref); |
|
|
518 | ::swap (img->pm , pm ); |
|
|
519 | |
|
|
520 | delete img; |
|
|
521 | } |
|
|
522 | |
241 | static void |
523 | static void |
242 | get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params) |
524 | get_gaussian_kernel (int radius, int width, nv *kernel, XFixed *params) |
243 | { |
525 | { |
244 | double sigma = radius / 2.0; |
526 | nv sigma = radius / 2.0; |
245 | double scale = sqrt (2.0 * M_PI) * sigma; |
527 | nv scale = sqrt (2.0 * M_PI) * sigma; |
246 | double sum = 0.0; |
528 | nv sum = 0.0; |
247 | |
529 | |
248 | for (int i = 0; i < width; i++) |
530 | for (int i = 0; i < width; i++) |
249 | { |
531 | { |
250 | double x = i - width / 2; |
532 | nv x = i - width / 2; |
251 | kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
533 | kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
252 | sum += kernel[i]; |
534 | sum += kernel[i]; |
253 | } |
535 | } |
254 | |
536 | |
255 | params[0] = XDoubleToFixed (width); |
537 | params[0] = XDoubleToFixed (width); |
… | |
… | |
260 | } |
542 | } |
261 | |
543 | |
262 | rxvt_img * |
544 | rxvt_img * |
263 | rxvt_img::blur (int rh, int rv) |
545 | rxvt_img::blur (int rh, int rv) |
264 | { |
546 | { |
265 | if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
547 | if (!(d->flags & DISPLAY_HAS_RENDER_CONV)) |
266 | return clone (); |
548 | return clone (); |
267 | |
549 | |
268 | Display *dpy = s->display->dpy; |
550 | Display *dpy = d->dpy; |
269 | int size = max (rh, rv) * 2 + 1; |
551 | int size = max (rh, rv) * 2 + 1; |
270 | double *kernel = (double *)malloc (size * sizeof (double)); |
552 | nv *kernel = (nv *)malloc (size * sizeof (nv)); |
271 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
553 | XFixed *params = rxvt_temp_buf<XFixed> (size + 2); |
272 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
554 | rxvt_img *img = new_empty (); |
273 | img->alloc (); |
|
|
274 | |
555 | |
275 | XRenderPictureAttributes pa; |
556 | XRenderPictureAttributes pa; |
276 | pa.repeat = RepeatPad; |
557 | pa.repeat = RepeatPad; |
277 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
558 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
278 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
559 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
… | |
… | |
312 | 0, 0, |
593 | 0, 0, |
313 | w, h); |
594 | w, h); |
314 | } |
595 | } |
315 | |
596 | |
316 | free (kernel); |
597 | free (kernel); |
317 | free (params); |
|
|
318 | |
598 | |
319 | XRenderFreePicture (dpy, src); |
599 | XRenderFreePicture (dpy, src); |
320 | XRenderFreePicture (dpy, dst); |
600 | XRenderFreePicture (dpy, dst); |
321 | XRenderFreePicture (dpy, tmp); |
601 | XRenderFreePicture (dpy, tmp); |
322 | |
602 | |
323 | return img; |
603 | return img; |
324 | } |
604 | } |
325 | |
605 | |
326 | static Picture |
606 | rxvt_img * |
327 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha) |
607 | rxvt_img::muladd (nv mul, nv add) |
328 | { |
608 | { |
329 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
609 | // STEP 1: double the image width, fill all odd columns with white (==1) |
330 | |
610 | |
331 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
611 | composer cc (this, new rxvt_img (d, format, 0, 0, w * 2, h, repeat)); |
332 | XRenderPictureAttributes pa; |
|
|
333 | pa.repeat = RepeatNormal; |
|
|
334 | pa.component_alpha = component_alpha; |
|
|
335 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa); |
|
|
336 | |
612 | |
337 | XFreePixmap (dpy, pixmap); |
613 | // why the hell does XRenderSetPictureTransform want a writable matrix :( |
|
|
614 | // that keeps us from just static const'ing this matrix. |
|
|
615 | XTransform h_double = { |
|
|
616 | 0x08000, 0, 0, |
|
|
617 | 0, 0x10000, 0, |
|
|
618 | 0, 0, 0x10000 |
|
|
619 | }; |
338 | |
620 | |
339 | return mask; |
621 | XRenderSetPictureFilter (cc.dpy, cc.src, "nearest", 0, 0); |
340 | } |
622 | XRenderSetPictureTransform (cc.dpy, cc.src, &h_double); |
|
|
623 | XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, 0, 0, 0, 0, 0, 0, w * 2, h); |
341 | |
624 | |
342 | static void |
625 | cc.mask (false, 2, 1); |
|
|
626 | |
|
|
627 | static const XRenderColor c0 = { 0, 0, 0, 0 }; |
|
|
628 | XRenderFillRectangle (cc.dpy, PictOpSrc, cc.msk, &c0, 0, 0, 1, 1); |
|
|
629 | static const XRenderColor c1 = { 65535, 65535, 65535, 65535 }; |
|
|
630 | XRenderFillRectangle (cc.dpy, PictOpSrc, cc.msk, &c1, 1, 0, 1, 1); |
|
|
631 | |
|
|
632 | Picture white = XRenderCreateSolidFill (cc.dpy, &c1); |
|
|
633 | |
|
|
634 | XRenderComposite (cc.dpy, PictOpOver, white, cc.msk, cc.dst, 0, 0, 0, 0, 0, 0, w * 2, h); |
|
|
635 | |
|
|
636 | XRenderFreePicture (cc.dpy, white); |
|
|
637 | |
|
|
638 | // STEP 2: convolve the image with a 3x1 filter |
|
|
639 | // a 2x1 filter would obviously suffice, but given the total lack of specification |
|
|
640 | // for xrender, I expect different xrender implementations to randomly diverge. |
|
|
641 | // we also halve the image, and hope for the best (again, for lack of specs). |
|
|
642 | composer cc2 (cc.dstimg); |
|
|
643 | |
|
|
644 | XFixed kernel [] = { |
|
|
645 | XDoubleToFixed (3), XDoubleToFixed (1), |
|
|
646 | XDoubleToFixed (0), XDoubleToFixed (mul), XDoubleToFixed (add) |
|
|
647 | }; |
|
|
648 | |
|
|
649 | XTransform h_halve = { |
|
|
650 | 0x20000, 0, 0, |
|
|
651 | 0, 0x10000, 0, |
|
|
652 | 0, 0, 0x10000 |
|
|
653 | }; |
|
|
654 | |
|
|
655 | XRenderSetPictureFilter (cc.dpy, cc2.src, "nearest", 0, 0); |
|
|
656 | XRenderSetPictureTransform (cc.dpy, cc2.src, &h_halve); |
|
|
657 | XRenderSetPictureFilter (cc.dpy, cc2.src, FilterConvolution, kernel, ecb_array_length (kernel)); |
|
|
658 | |
|
|
659 | XRenderComposite (cc.dpy, PictOpSrc, cc2.src, None, cc2.dst, 0, 0, 0, 0, 0, 0, w * 2, h); |
|
|
660 | |
|
|
661 | return cc2; |
|
|
662 | } |
|
|
663 | |
|
|
664 | ecb_noinline static void |
343 | extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
665 | extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
344 | { |
666 | { |
345 | int32_t x = clamp (c, cl0, cl1); |
667 | int32_t x = clamp (c, cl0, cl1); |
346 | c -= x; |
668 | c -= x; |
347 | xc = x; |
669 | xc = x; |
348 | } |
670 | } |
349 | |
671 | |
350 | static bool |
672 | ecb_noinline static bool |
351 | 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) |
673 | 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) |
352 | { |
674 | { |
353 | extract (cl0, cl1, r, xr); |
675 | extract (cl0, cl1, r, xr); |
354 | extract (cl0, cl1, g, xg); |
676 | extract (cl0, cl1, g, xg); |
355 | extract (cl0, cl1, b, xb); |
677 | extract (cl0, cl1, b, xb); |
… | |
… | |
361 | void |
683 | void |
362 | rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
684 | rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
363 | { |
685 | { |
364 | unshare (); |
686 | unshare (); |
365 | |
687 | |
366 | Display *dpy = s->display->dpy; |
688 | Display *dpy = d->dpy; |
367 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
689 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
368 | |
690 | |
369 | // loop should not be needed for brightness, as only -1..1 makes sense |
691 | // loop should not be needed for brightness, as only -1..1 makes sense |
370 | //while (r | g | b | a) |
692 | //while (r | g | b | a) |
371 | { |
693 | { |
… | |
… | |
395 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
717 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
396 | { |
718 | { |
397 | if (r < 0 || g < 0 || b < 0 || a < 0) |
719 | if (r < 0 || g < 0 || b < 0 || a < 0) |
398 | rxvt_fatal ("rxvt_img::contrast does not support negative values.\n"); |
720 | rxvt_fatal ("rxvt_img::contrast does not support negative values.\n"); |
399 | |
721 | |
400 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
|
|
401 | img->alloc (); |
|
|
402 | |
|
|
403 | { |
|
|
404 | rxvt_color empty; |
|
|
405 | empty.set (s, rgba (0, 0, 0, 0)); |
|
|
406 | img->fill (empty); |
|
|
407 | } |
|
|
408 | |
|
|
409 | // premultiply (yeah, these are not exact, sue me or fix it) |
722 | // premultiply (yeah, these are not exact, sue me or fix it) |
410 | r = (r * (a >> 8)) >> 8; |
723 | r = (r * (a >> 8)) >> 8; |
411 | g = (g * (a >> 8)) >> 8; |
724 | g = (g * (a >> 8)) >> 8; |
412 | b = (b * (a >> 8)) >> 8; |
725 | b = (b * (a >> 8)) >> 8; |
413 | |
726 | |
414 | Display *dpy = s->display->dpy; |
727 | composer cc (this); |
|
|
728 | rxvt_img *img = cc; |
|
|
729 | img->fill (rgba (0, 0, 0, 0)); |
415 | |
730 | |
416 | Picture src = src_picture (); |
731 | cc.mask (true); |
417 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
|
|
418 | Picture mul = create_xrender_mask (dpy, pm, True, True); |
|
|
419 | |
732 | |
420 | //TODO: this operator does not yet implement some useful contrast |
733 | //TODO: this operator does not yet implement some useful contrast |
421 | while (r | g | b | a) |
734 | while (r | g | b | a) |
422 | { |
735 | { |
423 | unsigned short xr, xg, xb, xa; |
736 | unsigned short xr, xg, xb, xa; |
424 | XRenderColor mask_c; |
737 | XRenderColor mask_c; |
425 | |
738 | |
426 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
739 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
427 | { |
740 | { |
428 | XRenderFillRectangle (dpy, PictOpSrc, mul, &mask_c, 0, 0, 1, 1); |
741 | XRenderFillRectangle (cc.dpy, PictOpSrc, cc.msk, &mask_c, 0, 0, 1, 1); |
429 | XRenderComposite (dpy, PictOpAdd, src, mul, dst, 0, 0, 0, 0, 0, 0, w, h); |
742 | XRenderComposite (cc.dpy, PictOpAdd, cc.src, cc.msk, cc.dst, 0, 0, 0, 0, 0, 0, w, h); |
430 | } |
743 | } |
431 | } |
744 | } |
432 | |
|
|
433 | XRenderFreePicture (dpy, mul); |
|
|
434 | XRenderFreePicture (dpy, dst); |
|
|
435 | XRenderFreePicture (dpy, src); |
|
|
436 | |
745 | |
437 | ::swap (img->ref, ref); |
746 | ::swap (img->ref, ref); |
438 | ::swap (img->pm , pm ); |
747 | ::swap (img->pm , pm ); |
439 | |
748 | |
440 | delete img; |
749 | delete img; |
441 | } |
750 | } |
442 | |
751 | |
|
|
752 | void |
|
|
753 | rxvt_img::draw (rxvt_img *img, int op, nv mask) |
|
|
754 | { |
|
|
755 | unshare (); |
|
|
756 | |
|
|
757 | composer cc (img, this); |
|
|
758 | |
|
|
759 | if (mask != 1.) |
|
|
760 | cc.mask (rgba (0, 0, 0, float_to_component (mask))); |
|
|
761 | |
|
|
762 | XRenderComposite (cc.dpy, op, cc.src, cc.msk, cc.dst, x - img->x, y - img->y, 0, 0, 0, 0, w, h); |
|
|
763 | } |
|
|
764 | |
443 | rxvt_img * |
765 | rxvt_img * |
444 | rxvt_img::clone () |
766 | rxvt_img::clone () |
445 | { |
767 | { |
446 | return new rxvt_img (*this); |
768 | return new rxvt_img (*this); |
447 | } |
|
|
448 | |
|
|
449 | static XRenderPictFormat * |
|
|
450 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
|
|
451 | { |
|
|
452 | if (format->direct.alphaMask) |
|
|
453 | return format; // already has alpha |
|
|
454 | |
|
|
455 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
|
|
456 | if (format->type == PictTypeDirect) |
|
|
457 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
|
|
458 | if (f->direct.alphaMask |
|
|
459 | && f->type == PictTypeDirect |
|
|
460 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
|
|
461 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
|
|
462 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
|
|
463 | return f; |
|
|
464 | |
|
|
465 | // should be a very good fallback |
|
|
466 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
|
|
467 | } |
769 | } |
468 | |
770 | |
469 | rxvt_img * |
771 | rxvt_img * |
470 | rxvt_img::reify () |
772 | rxvt_img::reify () |
471 | { |
773 | { |
472 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
774 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
473 | return clone (); |
775 | return clone (); |
474 | |
|
|
475 | Display *dpy = s->display->dpy; |
|
|
476 | |
776 | |
477 | // add an alpha channel if... |
777 | // add an alpha channel if... |
478 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
778 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
479 | && (x || y) // we need one because of non-zero offset |
779 | && (x || y) // we need one because of non-zero offset |
480 | && repeat == RepeatNone; // and we have no good pixels to fill with |
780 | && repeat == RepeatNone; // and we have no good pixels to fill with |
481 | |
781 | |
482 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
782 | composer cc (this, new rxvt_img (d, alpha ? find_alpha_format_for (d->dpy, format) : format, |
483 | img->alloc (); |
783 | 0, 0, w, h, repeat)); |
484 | |
784 | |
485 | Picture src = src_picture (); |
785 | if (repeat == RepeatNone) |
486 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
487 | |
|
|
488 | if (alpha) |
|
|
489 | { |
786 | { |
490 | XRenderColor rc = { 0, 0, 0, 0 }; |
787 | XRenderColor rc = { 0, 0, 0, 0 }; |
491 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
788 | XRenderFillRectangle (cc.dpy, PictOpSrc, cc.dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
492 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
789 | XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, 0, 0, 0, 0, x, y, ref->w, ref->h); |
493 | } |
790 | } |
494 | else |
791 | else |
495 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
792 | XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, -x, -y, 0, 0, 0, 0, w, h); |
496 | |
793 | |
497 | XRenderFreePicture (dpy, src); |
|
|
498 | XRenderFreePicture (dpy, dst); |
|
|
499 | |
|
|
500 | return img; |
794 | return cc; |
501 | } |
795 | } |
502 | |
796 | |
503 | rxvt_img * |
797 | rxvt_img * |
504 | rxvt_img::sub_rect (int x, int y, int width, int height) |
798 | rxvt_img::sub_rect (int x, int y, int width, int height) |
505 | { |
799 | { |
506 | rxvt_img *img = clone (); |
800 | rxvt_img *img = clone (); |
507 | |
801 | |
508 | img->x += x; |
802 | img->x -= x; |
509 | img->y += y; |
803 | img->y -= y; |
510 | |
804 | |
511 | if (w != width || h != height) |
805 | if (w != width || h != height) |
512 | { |
806 | { |
513 | img->w = width; |
807 | img->w = width; |
514 | img->h = height; |
808 | img->h = height; |
… | |
… | |
520 | |
814 | |
521 | return img; |
815 | return img; |
522 | } |
816 | } |
523 | |
817 | |
524 | rxvt_img * |
818 | rxvt_img * |
525 | rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
819 | rxvt_img::transform (const nv matrix[3][3]) |
526 | { |
820 | { |
527 | rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat); |
821 | return transform (mat3x3 (&matrix[0][0])); |
528 | img->alloc (); |
822 | } |
529 | |
823 | |
530 | Display *dpy = s->display->dpy; |
824 | rxvt_img * |
531 | Picture src = src_picture (); |
825 | rxvt_img::transform (const nv *matrix) |
532 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
826 | { |
|
|
827 | mat3x3 m (matrix); |
|
|
828 | |
|
|
829 | // calculate new pixel bounding box coordinates |
|
|
830 | nv rmin[2], rmax[2]; |
|
|
831 | |
|
|
832 | for (int i = 0; i < 2; ++i) |
|
|
833 | { |
|
|
834 | nv v; |
|
|
835 | |
|
|
836 | v = m.apply1 (i, 0+x, 0+y); rmin [i] = rmax [i] = v; |
|
|
837 | v = m.apply1 (i, w+x, 0+y); min_it (rmin [i], v); max_it (rmax [i], v); |
|
|
838 | v = m.apply1 (i, 0+x, h+y); min_it (rmin [i], v); max_it (rmax [i], v); |
|
|
839 | v = m.apply1 (i, w+x, h+y); min_it (rmin [i], v); max_it (rmax [i], v); |
|
|
840 | } |
|
|
841 | |
|
|
842 | float sx = rmin [0] - x; |
|
|
843 | float sy = rmin [1] - y; |
|
|
844 | |
|
|
845 | // TODO: adjust matrix for subpixel accuracy |
|
|
846 | int nx = floor (rmin [0]); |
|
|
847 | int ny = floor (rmin [1]); |
|
|
848 | |
|
|
849 | int new_width = ceil (rmax [0] - rmin [0]); |
|
|
850 | int new_height = ceil (rmax [1] - rmin [1]); |
|
|
851 | |
|
|
852 | mat3x3 inv = (mat3x3::translate (-x, -y) * m * mat3x3::translate (x, y)).inverse (); |
|
|
853 | |
|
|
854 | composer cc (this, new rxvt_img (d, format, nx, ny, new_width, new_height, repeat)); |
533 | |
855 | |
534 | XTransform xfrm; |
856 | XTransform xfrm; |
535 | |
857 | |
536 | for (int i = 0; i < 3; ++i) |
858 | for (int i = 0; i < 3; ++i) |
537 | for (int j = 0; j < 3; ++j) |
859 | for (int j = 0; j < 3; ++j) |
538 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
860 | xfrm.matrix [i][j] = XDoubleToFixed (inv [i][j]); |
539 | |
861 | |
540 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
|
|
541 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
|
|
542 | |
|
|
543 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
862 | XRenderSetPictureFilter (cc.dpy, cc.src, "good", 0, 0); |
544 | XRenderSetPictureTransform (dpy, src, &xfrm); |
863 | XRenderSetPictureTransform (cc.dpy, cc.src, &xfrm); |
545 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
864 | XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, sx, sy, 0, 0, 0, 0, new_width, new_height); |
546 | |
865 | |
547 | XRenderFreePicture (dpy, src); |
|
|
548 | XRenderFreePicture (dpy, dst); |
|
|
549 | |
|
|
550 | return img; |
866 | return cc; |
551 | } |
867 | } |
552 | |
868 | |
553 | rxvt_img * |
869 | rxvt_img * |
554 | rxvt_img::scale (int new_width, int new_height) |
870 | rxvt_img::scale (int new_width, int new_height) |
555 | { |
871 | { |
556 | if (w == new_width && h == new_height) |
872 | if (w == new_width && h == new_height) |
557 | return clone (); |
873 | return clone (); |
558 | |
874 | |
559 | double matrix[9] = { |
|
|
560 | w / (double)new_width, 0, 0, |
|
|
561 | 0, h / (double)new_height, 0, |
|
|
562 | 0, 0, 1 |
|
|
563 | }; |
|
|
564 | |
|
|
565 | int old_repeat_mode = repeat; |
875 | int old_repeat_mode = repeat; |
566 | repeat = RepeatPad; // not right, but xrender can't properly scale it seems |
876 | repeat = RepeatPad; // not right, but xrender can't properly scale it seems |
567 | |
877 | |
568 | rxvt_img *img = transform (new_width, new_height, matrix); |
878 | rxvt_img *img = transform (mat3x3::scale (new_width / (nv)w, new_height / (nv)h)); |
569 | |
879 | |
570 | repeat = old_repeat_mode; |
880 | repeat = old_repeat_mode; |
571 | img->repeat = repeat; |
881 | img->repeat = repeat; |
572 | |
882 | |
573 | return img; |
883 | return img; |
574 | } |
884 | } |
575 | |
885 | |
576 | rxvt_img * |
886 | rxvt_img * |
577 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
887 | rxvt_img::rotate (int cx, int cy, nv phi) |
578 | { |
888 | { |
579 | double s = sin (phi); |
889 | move (-cx, -cy); |
580 | double c = cos (phi); |
890 | rxvt_img *img = transform (mat3x3::rotate (phi)); |
|
|
891 | move ( cx, cy); |
|
|
892 | img->move (cx, cy); |
581 | |
893 | |
582 | double matrix[9] = { |
894 | return img; |
583 | c, -s, -c * x + s * y + x, |
|
|
584 | s, c, -s * x - c * y + y, |
|
|
585 | 0, 0, 1 |
|
|
586 | }; |
|
|
587 | |
|
|
588 | return transform (new_width, new_height, matrix); |
|
|
589 | } |
895 | } |
590 | |
896 | |
591 | rxvt_img * |
897 | rxvt_img * |
592 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg) |
898 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rgba &bg) |
593 | { |
899 | { |
594 | if (new_format == format) |
900 | if (new_format == format) |
595 | return clone (); |
901 | return clone (); |
596 | |
902 | |
597 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
903 | composer cc (this, new rxvt_img (d, new_format, x, y, w, h, repeat)); |
598 | img->alloc (); |
|
|
599 | |
904 | |
600 | Display *dpy = s->display->dpy; |
|
|
601 | Picture src = src_picture (); |
|
|
602 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
|
|
603 | int op = PictOpSrc; |
905 | int op = PictOpSrc; |
604 | |
906 | |
605 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
907 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
606 | { |
908 | { |
607 | // does it have to be that complicated |
909 | // does it have to be that complicated |
608 | rgba c; |
|
|
609 | bg.get (c); |
|
|
610 | |
|
|
611 | XRenderColor rc = { c.r, c.g, c.b, 0xffff }; |
910 | XRenderColor rc = { bg.r, bg.g, bg.b, bg.a }; |
612 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
911 | XRenderFillRectangle (cc.dpy, PictOpSrc, cc.dst, &rc, 0, 0, w, h); |
613 | |
912 | |
614 | op = PictOpOver; |
913 | op = PictOpOver; |
615 | } |
914 | } |
616 | |
915 | |
617 | XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
916 | XRenderComposite (cc.dpy, op, cc.src, None, cc.dst, 0, 0, 0, 0, 0, 0, w, h); |
618 | |
917 | |
619 | XRenderFreePicture (dpy, src); |
918 | return cc; |
620 | XRenderFreePicture (dpy, dst); |
919 | } |
|
|
920 | |
|
|
921 | rxvt_img * |
|
|
922 | rxvt_img::tint (const rgba &c) |
|
|
923 | { |
|
|
924 | composer cc (this); |
|
|
925 | cc.mask (true); |
|
|
926 | cc.fill (c); |
|
|
927 | |
|
|
928 | XRenderComposite (cc.dpy, PictOpSrc, cc.src, cc.msk, cc.dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
929 | |
|
|
930 | return cc; |
|
|
931 | } |
|
|
932 | |
|
|
933 | rxvt_img * |
|
|
934 | rxvt_img::shade (nv factor, rgba c) |
|
|
935 | { |
|
|
936 | clamp_it (factor, -1., 1.); |
|
|
937 | factor++; |
|
|
938 | |
|
|
939 | if (factor > 1) |
|
|
940 | { |
|
|
941 | c.r = c.r * (2 - factor); |
|
|
942 | c.g = c.g * (2 - factor); |
|
|
943 | c.b = c.b * (2 - factor); |
|
|
944 | } |
|
|
945 | else |
|
|
946 | { |
|
|
947 | c.r = c.r * factor; |
|
|
948 | c.g = c.g * factor; |
|
|
949 | c.b = c.b * factor; |
|
|
950 | } |
|
|
951 | |
|
|
952 | rxvt_img *img = this->tint (c); |
|
|
953 | |
|
|
954 | if (factor > 1) |
|
|
955 | { |
|
|
956 | c.a = 0xffff; |
|
|
957 | c.r = |
|
|
958 | c.g = |
|
|
959 | c.b = 0xffff * (factor - 1); |
|
|
960 | |
|
|
961 | img->brightness (c.r, c.g, c.b, c.a); |
|
|
962 | } |
621 | |
963 | |
622 | return img; |
964 | return img; |
623 | } |
965 | } |
624 | |
966 | |
625 | rxvt_img * |
967 | rxvt_img * |
626 | rxvt_img::blend (rxvt_img *img, double factor) |
968 | rxvt_img::filter (const char *name, int nparams, nv *params) |
627 | { |
969 | { |
628 | rxvt_img *img2 = clone (); |
970 | composer cc (this); |
629 | Display *dpy = s->display->dpy; |
|
|
630 | Picture src = img->src_picture (); |
|
|
631 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
|
|
632 | Picture mask = create_xrender_mask (dpy, img->pm, False, False); |
|
|
633 | |
971 | |
634 | XRenderColor mask_c; |
972 | XFixed *xparams = rxvt_temp_buf<XFixed> (nparams); |
635 | |
973 | |
636 | mask_c.alpha = float_to_component (factor); |
974 | for (int i = 0; i < nparams; ++i) |
637 | mask_c.red = |
975 | xparams [i] = XDoubleToFixed (params [i]); |
638 | mask_c.green = |
|
|
639 | mask_c.blue = 0; |
|
|
640 | XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
|
|
641 | |
976 | |
|
|
977 | XRenderSetPictureFilter (cc.dpy, cc.src, name, xparams, nparams); |
|
|
978 | |
642 | XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
979 | XRenderComposite (cc.dpy, PictOpSrc, cc.src, 0, cc.dst, 0, 0, 0, 0, 0, 0, w, h); |
643 | |
980 | |
644 | XRenderFreePicture (dpy, src); |
|
|
645 | XRenderFreePicture (dpy, dst); |
|
|
646 | XRenderFreePicture (dpy, mask); |
|
|
647 | |
|
|
648 | return img2; |
981 | return cc; |
649 | } |
982 | } |
650 | |
983 | |
651 | #endif |
984 | #endif |
652 | |
985 | |