]>
Commit | Line | Data |
---|---|---|
4188f38a | 1 | <?php |
2 | ||
3 | class grad { | |
4 | ||
5 | var $mpdf = null; | |
6 | ||
7 | function grad(&$mpdf) { | |
8 | $this->mpdf = $mpdf; | |
9 | } | |
10 | ||
11 | // mPDF 5.3.A1 | |
12 | function CoonsPatchMesh($x, $y, $w, $h, $patch_array=array(), $x_min=0, $x_max=1, $y_min=0, $y_max=1, $colspace='RGB', $return=false){ | |
13 | $s=' q '; | |
14 | $s.=sprintf(' %.3F %.3F %.3F %.3F re W n ', $x*_MPDFK, ($this->mpdf->h-$y)*_MPDFK, $w*_MPDFK, -$h*_MPDFK); | |
15 | $s.=sprintf(' %.3F 0 0 %.3F %.3F %.3F cm ', $w*_MPDFK, $h*_MPDFK, $x*_MPDFK, ($this->mpdf->h-($y+$h))*_MPDFK); | |
16 | $n = count($this->mpdf->gradients)+1; | |
17 | $this->mpdf->gradients[$n]['type'] = 6; //coons patch mesh | |
18 | $this->mpdf->gradients[$n]['colorspace'] = $colspace; //coons patch mesh | |
19 | $bpcd=65535; //16 BitsPerCoordinate | |
20 | $trans = false; | |
21 | $this->mpdf->gradients[$n]['stream']=''; | |
22 | for($i=0;$i<count($patch_array);$i++){ | |
23 | $this->mpdf->gradients[$n]['stream'].=chr($patch_array[$i]['f']); //start with the edge flag as 8 bit | |
24 | for($j=0;$j<count($patch_array[$i]['points']);$j++){ | |
25 | //each point as 16 bit | |
26 | if (($j % 2) == 1) { // Y coordinate (adjusted as input is From top left) | |
27 | $patch_array[$i]['points'][$j]=(($patch_array[$i]['points'][$j]-$y_min)/($y_max-$y_min))*$bpcd; | |
28 | $patch_array[$i]['points'][$j]=$bpcd-$patch_array[$i]['points'][$j]; | |
29 | } | |
30 | else { | |
31 | $patch_array[$i]['points'][$j]=(($patch_array[$i]['points'][$j]-$x_min)/($x_max-$x_min))*$bpcd; | |
32 | } | |
33 | if($patch_array[$i]['points'][$j]<0) $patch_array[$i]['points'][$j]=0; | |
34 | if($patch_array[$i]['points'][$j]>$bpcd) $patch_array[$i]['points'][$j]=$bpcd; | |
35 | $this->mpdf->gradients[$n]['stream'].=chr(floor($patch_array[$i]['points'][$j]/256)); | |
36 | $this->mpdf->gradients[$n]['stream'].=chr(floor($patch_array[$i]['points'][$j]%256)); | |
37 | } | |
38 | for($j=0;$j<count($patch_array[$i]['colors']);$j++){ | |
39 | //each color component as 8 bit | |
40 | if ($colspace=='RGB') { | |
41 | $this->mpdf->gradients[$n]['stream'].=($patch_array[$i]['colors'][$j][1]); | |
42 | $this->mpdf->gradients[$n]['stream'].=($patch_array[$i]['colors'][$j][2]); | |
43 | $this->mpdf->gradients[$n]['stream'].=($patch_array[$i]['colors'][$j][3]); | |
44 | if (isset($patch_array[$i]['colors'][$j][4]) && ord($patch_array[$i]['colors'][$j][4])<100) { $trans = true; } | |
45 | } | |
46 | else if ($colspace=='CMYK') { | |
47 | $this->mpdf->gradients[$n]['stream'].=chr(ord($patch_array[$i]['colors'][$j][1])*2.55); | |
48 | $this->mpdf->gradients[$n]['stream'].=chr(ord($patch_array[$i]['colors'][$j][2])*2.55); | |
49 | $this->mpdf->gradients[$n]['stream'].=chr(ord($patch_array[$i]['colors'][$j][3])*2.55); | |
50 | $this->mpdf->gradients[$n]['stream'].=chr(ord($patch_array[$i]['colors'][$j][4])*2.55); | |
51 | if (isset($patch_array[$i]['colors'][$j][5]) && ord($patch_array[$i]['colors'][$j][5])<100) { $trans = true; } | |
52 | } | |
53 | else if ($colspace=='Gray') { | |
54 | $this->mpdf->gradients[$n]['stream'].=($patch_array[$i]['colors'][$j][1]); | |
55 | if ($patch_array[$i]['colors'][$j][2]==1) { $trans = true; } // transparency converted from rgba or cmyka() | |
56 | } | |
57 | } | |
58 | } | |
59 | // TRANSPARENCY | |
60 | if ($trans) { | |
61 | $this->mpdf->gradients[$n]['stream_trans']=''; | |
62 | for($i=0;$i<count($patch_array);$i++){ | |
63 | $this->mpdf->gradients[$n]['stream_trans'].=chr($patch_array[$i]['f']); | |
64 | for($j=0;$j<count($patch_array[$i]['points']);$j++){ | |
65 | //each point as 16 bit | |
66 | $this->mpdf->gradients[$n]['stream_trans'].=chr(floor($patch_array[$i]['points'][$j]/256)); | |
67 | $this->mpdf->gradients[$n]['stream_trans'].=chr(floor($patch_array[$i]['points'][$j]%256)); | |
68 | } | |
69 | for($j=0;$j<count($patch_array[$i]['colors']);$j++){ | |
70 | //each color component as 8 bit // OPACITY | |
71 | if ($colspace=='RGB') { | |
72 | $this->mpdf->gradients[$n]['stream_trans'].=chr(intval(ord($patch_array[$i]['colors'][$j][4])*2.55)); | |
73 | } | |
74 | else if ($colspace=='CMYK') { | |
75 | $this->mpdf->gradients[$n]['stream_trans'].=chr(intval(ord($patch_array[$i]['colors'][$j][5])*2.55)); | |
76 | } | |
77 | else if ($colspace=='Gray') { | |
78 | $this->mpdf->gradients[$n]['stream_trans'].=chr(intval(ord($patch_array[$i]['colors'][$j][3])*2.55)); | |
79 | } | |
80 | } | |
81 | } | |
82 | $this->mpdf->gradients[$n]['trans'] = true; | |
83 | $s .= ' /TGS'.$n.' gs '; | |
84 | } | |
85 | //paint the gradient | |
86 | $s .= '/Sh'.$n.' sh'."\n"; | |
87 | //restore previous Graphic State | |
88 | $s .= 'Q'."\n"; | |
89 | if ($return) { return $s; } | |
90 | else { $this->mpdf->_out($s); } | |
91 | } | |
92 | ||
93 | ||
94 | // type = linear:2; radial: 3; | |
95 | // Linear: $coords - array of the form (x1, y1, x2, y2) which defines the gradient vector (see linear_gradient_coords.jpg). | |
96 | // The default value is from left to right (x1=0, y1=0, x2=1, y2=0). | |
97 | // Radial: $coords - array of the form (fx, fy, cx, cy, r) where (fx, fy) is the starting point of the gradient with color1, | |
98 | // (cx, cy) is the center of the circle with color2, and r is the radius of the circle (see radial_gradient_coords.jpg). | |
99 | // (fx, fy) should be inside the circle, otherwise some areas will not be defined | |
100 | // $col = array(R,G,B/255); or array(G/255); or array(C,M,Y,K/100) | |
101 | // $stops = array('col'=>$col [, 'opacity'=>0-1] [, 'offset'=>0-1]) | |
102 | function Gradient($x, $y, $w, $h, $type, $stops=array(), $colorspace='RGB', $coords='', $extend='', $return=false, $is_mask=false) { | |
103 | if (strtoupper(substr($type,0,1)) == 'L') { $type = 2; } // linear | |
104 | else if (strtoupper(substr($type,0,1)) == 'R') { $type = 3; } // radial | |
105 | if ($colorspace != 'CMYK' && $colorspace != 'Gray') { | |
106 | $colorspace = 'RGB'; | |
107 | } | |
108 | $bboxw = $w; | |
109 | $bboxh = $h; | |
110 | $usex = $x; | |
111 | $usey = $y; | |
112 | $usew = $bboxw; | |
113 | $useh = $bboxh; | |
114 | if ($type < 1) { $type = 2; } | |
115 | if ($coords[0]!==false && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$coords[0],$m)) { | |
116 | $tmp = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); | |
117 | if ($tmp) { $coords[0] = $tmp/$w; } | |
118 | } | |
119 | if ($coords[1]!==false && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$coords[1],$m)) { | |
120 | $tmp = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); | |
121 | if ($tmp) { $coords[1] = 1-($tmp/$h); } | |
122 | } | |
123 | // LINEAR | |
124 | if ($type == 2) { | |
125 | $angle = $coords[4]; | |
126 | $repeat = $coords[5]; | |
127 | // ALL POINTS SET (default for custom mPDF linear gradient) - no -moz | |
128 | if ($coords[0]!==false && $coords[1]!==false && $coords[2]!==false && $coords[3]!==false) { | |
129 | // do nothing - coords used as they are | |
130 | } | |
131 | ||
132 | // If both a <point> and <angle> are defined, the gradient axis starts from the point and runs along the angle. The end point is | |
133 | // defined as before - in this case start points may not be in corners, and axis may not correctly fall in the right quadrant. | |
134 | // NO end points (Angle defined & Start points) | |
135 | else if ($angle!==false && $coords[0]!==false && $coords[1]!==false && $coords[2]===false && $coords[3]===false) { | |
136 | if ($angle==0 || $angle==360) { $coords[3]=$coords[1]; if ($coords[0]==1) $coords[2]=2; else $coords[2]=1; } | |
137 | else if ($angle==90) { $coords[2]=$coords[0]; $coords[3]=1; if ($coords[1]==1) $coords[3]=2; else $coords[3]=1; } | |
138 | else if ($angle==180) { if ($coords[4]==0) $coords[2]=-1; else $coords[2]=0; $coords[3]=$coords[1]; } | |
139 | else if ($angle==270) { $coords[2]=$coords[0]; if ($coords[1]==0) $coords[3]=-1; else $coords[3]=0; } | |
140 | else { | |
141 | $endx=1; $endy=1; | |
142 | if ($angle <=90) { | |
143 | if ($angle <=45) { $endy=tan(deg2rad($angle)); } | |
144 | else { $endx=tan(deg2rad(90-$angle)); } | |
145 | $b = atan2(($endy*$bboxh), ($endx*$bboxw)); | |
146 | $ny = 1 - $coords[1] - (tan($b) * (1-$coords[0])); | |
147 | $tx = sin($b) * cos($b) * $ny; | |
148 | $ty = cos($b) * cos($b) * $ny; | |
149 | $coords[2] = 1+$tx; $coords[3] = 1-$ty; | |
150 | } | |
151 | else if ($angle <=180) { | |
152 | if ($angle <=135) { $endx=tan(deg2rad($angle-90)); } | |
153 | else { $endy=tan(deg2rad(180-$angle)); } | |
154 | $b = atan2(($endy*$bboxh), ($endx*$bboxw)); | |
155 | $ny = 1 - $coords[1] - (tan($b) * ($coords[0])); | |
156 | $tx = sin($b) * cos($b) * $ny; | |
157 | $ty = cos($b) * cos($b) * $ny; | |
158 | $coords[2] = -$tx; $coords[3] = 1-$ty; | |
159 | } | |
160 | else if ($angle <=270) { | |
161 | if ($angle <=225) { $endy=tan(deg2rad($angle-180)); } | |
162 | else { $endx=tan(deg2rad(270-$angle)); } | |
163 | $b = atan2(($endy*$bboxh), ($endx*$bboxw)); | |
164 | $ny = $coords[1] - (tan($b) * ($coords[0])); | |
165 | $tx = sin($b) * cos($b) * $ny; | |
166 | $ty = cos($b) * cos($b) * $ny; | |
167 | $coords[2] = -$tx; $coords[3] = $ty; | |
168 | } | |
169 | else { | |
170 | if ($angle <=315) { $endx=tan(deg2rad($angle-270)); } | |
171 | else { $endy=tan(deg2rad(360-$angle)); } | |
172 | $b = atan2(($endy*$bboxh), ($endx*$bboxw)); | |
173 | $ny = $coords[1] - (tan($b) * (1-$coords[0])); | |
174 | $tx = sin($b) * cos($b) * $ny; | |
175 | $ty = cos($b) * cos($b) * $ny; | |
176 | $coords[2] = 1+$tx; $coords[3] = $ty; | |
177 | ||
178 | } | |
179 | } | |
180 | } | |
181 | ||
182 | // -moz If the first parameter is only an <angle>, the gradient axis starts from the box's corner that would ensure the | |
183 | // axis goes through the box. The axis runs along the specified angle. The end point of the axis is defined such that the | |
184 | // farthest corner of the box from the starting point is perpendicular to the gradient axis at that point. | |
185 | // NO end points or Start points (Angle defined) | |
186 | else if ($angle!==false && $coords[0]===false && $coords[1]===false) { | |
187 | if ($angle==0 || $angle==360) { $coords[0]=0; $coords[1]=0; $coords[2]=1; $coords[3]=0; } | |
188 | else if ($angle==90) { $coords[0]=0; $coords[1]=0; $coords[2]=0; $coords[3]=1; } | |
189 | else if ($angle==180) { $coords[0]=1; $coords[1]=0; $coords[2]=0; $coords[3]=0; } | |
190 | else if ($angle==270) { $coords[0]=0; $coords[1]=1; $coords[2]=0; $coords[3]=0; } | |
191 | else { | |
192 | if ($angle <=90) { | |
193 | $coords[0]=0; $coords[1]=0; | |
194 | if ($angle <=45) { $endx=1; $endy=tan(deg2rad($angle)); } | |
195 | else { $endx=tan(deg2rad(90-$angle)); $endy=1; } | |
196 | } | |
197 | else if ($angle <=180) { | |
198 | $coords[0]=1; $coords[1]=0; | |
199 | if ($angle <=135) { $endx=tan(deg2rad($angle-90)); $endy=1; } | |
200 | else { $endx=1; $endy=tan(deg2rad(180-$angle)); } | |
201 | } | |
202 | else if ($angle <=270) { | |
203 | $coords[0]=1; $coords[1]=1; | |
204 | if ($angle <=225) { $endx=1; $endy=tan(deg2rad($angle-180)); } | |
205 | else { $endx=tan(deg2rad(270-$angle)); $endy=1; } | |
206 | } | |
207 | else { | |
208 | $coords[0]=0; $coords[1]=1; | |
209 | if ($angle <=315) { $endx=tan(deg2rad($angle-270)); $endy=1; } | |
210 | else { $endx=1; $endy=tan(deg2rad(360-$angle)); } | |
211 | } | |
212 | $b = atan2(($endy*$bboxh), ($endx*$bboxw)); | |
213 | $h2 = $bboxh - ($bboxh * tan($b)); | |
214 | $px = $bboxh + ($h2 * sin($b) * cos($b)); | |
215 | $py = ($bboxh * tan($b)) + ($h2 * sin($b) * sin($b)); | |
216 | $x1 = $px / $bboxh; | |
217 | $y1 = $py / $bboxh; | |
218 | if ($angle <=90) { $coords[2] = $x1; $coords[3] = $y1; } | |
219 | else if ($angle <=180) { $coords[2] = 1-$x1; $coords[3] = $y1; } | |
220 | else if ($angle <=270) { $coords[2] = 1-$x1; $coords[3] = 1-$y1; } | |
221 | else { $coords[2] = $x1; $coords[3] = 1-$y1; } | |
222 | } | |
223 | } | |
224 | // -moz If the first parameter to the gradient function is only a <point>, the gradient axis starts from the specified point, | |
225 | // and ends at the point you would get if you rotated the starting point by 180 degrees about the center of the box that the | |
226 | // gradient is to be applied to. | |
227 | // NO angle and NO end points (Start points defined) | |
228 | else if ((!isset($angle) || $angle===false) && $coords[0]!==false && $coords[1]!==false) { // should have start and end defined | |
229 | $coords[2] = 1-$coords[0]; $coords[3] = 1-$coords[1]; | |
230 | $angle = rad2deg(atan2($coords[3]-$coords[1],$coords[2]-$coords[0])); | |
231 | if ($angle < 0) { $angle += 360; } | |
232 | else if ($angle > 360) { $angle -= 360; } | |
233 | if ($angle!=0 && $angle!=360 && $angle!=90 && $angle!=180 && $angle!=270) { | |
234 | if ($w >= $h) { | |
235 | $coords[1] *= $h/$w ; | |
236 | $coords[3] *= $h/$w ; | |
237 | $usew = $useh = $bboxw; | |
238 | $usey -= ($w-$h); | |
239 | } | |
240 | else { | |
241 | $coords[0] *= $w/$h ; | |
242 | $coords[2] *= $w/$h ; | |
243 | $usew = $useh = $bboxh; | |
244 | } | |
245 | } | |
246 | } | |
247 | ||
248 | // -moz If neither a <point> or <angle> is specified, i.e. the entire function consists of only <stop> values, the gradient | |
249 | // axis starts from the top of the box and runs vertically downwards, ending at the bottom of the box. | |
250 | else { // default values T2B | |
251 | // All values are set in parseMozGradient - so won't appear here | |
252 | $coords = array(0,0,1,0); // default for original linear gradient (L2R) | |
253 | } | |
254 | $s = ' q'; | |
255 | $s .= sprintf(' %.3F %.3F %.3F %.3F re W n', $x*_MPDFK, ($this->mpdf->h-$y)*_MPDFK, $w*_MPDFK, -$h*_MPDFK)."\n"; | |
256 | $s .= sprintf(' %.3F 0 0 %.3F %.3F %.3F cm', $usew*_MPDFK, $useh*_MPDFK, $usex*_MPDFK, ($this->mpdf->h-($usey+$useh))*_MPDFK)."\n"; | |
257 | } | |
258 | ||
259 | // RADIAL | |
260 | else if ($type == 3) { | |
261 | $radius = $coords[4]; | |
262 | $angle = $coords[5]; // ?? no effect | |
263 | $shape = $coords[6]; | |
264 | $size = $coords[7]; | |
265 | $repeat = $coords[8]; | |
266 | // ALL POINTS AND RADIUS SET (default for custom mPDF radial gradient) - no -moz | |
267 | if ($coords[0]!==false && $coords[1]!==false && $coords[2]!==false && $coords[3]!==false && $coords[4]!==false) { | |
268 | // do nothing - coords used as they are | |
269 | } | |
270 | // If a <point> is defined | |
271 | else if ($shape!==false && $size!==false) { | |
272 | if ($coords[2]==false) { $coords[2] = $coords[0]; } | |
273 | if ($coords[3]==false) { $coords[3] = $coords[1]; } | |
274 | // ELLIPSE | |
275 | if ($shape=='ellipse') { | |
276 | $corner1 = sqrt(pow($coords[0],2) + pow($coords[1],2)); | |
277 | $corner2 = sqrt(pow($coords[0],2) + pow((1-$coords[1]),2)); | |
278 | $corner3 = sqrt(pow((1-$coords[0]),2) + pow($coords[1],2)); | |
279 | $corner4 = sqrt(pow((1-$coords[0]),2) + pow((1-$coords[1]),2)); | |
280 | if ($size=='closest-side') { $radius = min($coords[0], $coords[1], (1-$coords[0]), (1-$coords[1])); } | |
281 | else if ($size=='closest-corner') { $radius = min($corner1, $corner2, $corner3, $corner4); } | |
282 | else if ($size=='farthest-side') { $radius = max($coords[0], $coords[1], (1-$coords[0]), (1-$coords[1])); } | |
283 | else { $radius = max($corner1, $corner2, $corner3, $corner4); } // farthest corner (default) | |
284 | } | |
285 | // CIRCLE | |
286 | else if ($shape=='circle') { | |
287 | if ($w >= $h) { | |
288 | $coords[1] = $coords[3] = ($coords[1] * $h/$w) ; | |
289 | $corner1 = sqrt(pow($coords[0],2) + pow($coords[1],2)); | |
290 | $corner2 = sqrt(pow($coords[0],2) + pow((($h/$w)-$coords[1]),2)); | |
291 | $corner3 = sqrt(pow((1-$coords[0]),2) + pow($coords[1],2)); | |
292 | $corner4 = sqrt(pow((1-$coords[0]),2) + pow((($h/$w)-$coords[1]),2)); | |
293 | if ($size=='closest-side') { $radius = min($coords[0], $coords[1], (1-$coords[0]), (($h/$w)-$coords[1])); } | |
294 | else if ($size=='closest-corner') { $radius = min($corner1, $corner2, $corner3, $corner4); } | |
295 | else if ($size=='farthest-side') { $radius = max($coords[0], $coords[1], (1-$coords[0]), (($h/$w)-$coords[1])); } | |
296 | else if ($size=='farthest-corner') { $radius = max($corner1, $corner2, $corner3, $corner4); } // farthest corner (default) | |
297 | $usew = $useh = $bboxw; | |
298 | $usey -= ($w-$h); | |
299 | } | |
300 | else { | |
301 | $coords[0] = $coords[2] = ($coords[0] * $w/$h) ; | |
302 | $corner1 = sqrt(pow($coords[0],2) + pow($coords[1],2)); | |
303 | $corner2 = sqrt(pow($coords[0],2) + pow((1-$coords[1]),2)); | |
304 | $corner3 = sqrt(pow((($w/$h)-$coords[0]),2) + pow($coords[1],2)); | |
305 | $corner4 = sqrt(pow((($w/$h)-$coords[0]),2) + pow((1-$coords[1]),2)); | |
306 | if ($size=='closest-side') { $radius = min($coords[0], $coords[1], (($w/$h)-$coords[0]), (1-$coords[1])); } | |
307 | else if ($size=='closest-corner') { $radius = min($corner1, $corner2, $corner3, $corner4); } | |
308 | else if ($size=='farthest-side') { $radius = max($coords[0], $coords[1], (($w/$h)-$coords[0]), (1-$coords[1])); } | |
309 | else if ($size=='farthest-corner') { $radius = max($corner1, $corner2, $corner3, $corner4); } // farthest corner (default) | |
310 | $usew = $useh = $bboxh; | |
311 | } | |
312 | } | |
313 | if ($radius==0) { $radius=0.001; } // to prevent error | |
314 | $coords[4] = $radius; | |
315 | } | |
316 | ||
317 | // -moz If entire function consists of only <stop> values | |
318 | else { // default values | |
319 | // All values are set in parseMozGradient - so won't appear here | |
320 | $coords = array(0.5,0.5,0.5,0.5); // default for radial gradient (centred) | |
321 | } | |
322 | $s = ' q'; | |
323 | $s .= sprintf(' %.3F %.3F %.3F %.3F re W n', $x*_MPDFK, ($this->mpdf->h-$y)*_MPDFK, $w*_MPDFK, -$h*_MPDFK)."\n"; | |
324 | $s .= sprintf(' %.3F 0 0 %.3F %.3F %.3F cm', $usew*_MPDFK, $useh*_MPDFK, $usex*_MPDFK, ($this->mpdf->h-($usey+$useh))*_MPDFK)."\n"; | |
325 | } | |
326 | ||
327 | $n = count($this->mpdf->gradients) + 1; | |
328 | $this->mpdf->gradients[$n]['type'] = $type; | |
329 | $this->mpdf->gradients[$n]['colorspace'] = $colorspace; | |
330 | $trans = false; | |
331 | $this->mpdf->gradients[$n]['is_mask'] = $is_mask; | |
332 | if ($is_mask) { $trans = true; } | |
333 | if (count($stops) == 1) { $stops[1] = $stops[0]; } | |
334 | if (!isset($stops[0]['offset'])) { $stops[0]['offset'] = 0; } | |
335 | if (!isset($stops[(count($stops)-1)]['offset'])) { $stops[(count($stops)-1)]['offset'] = 1; } | |
336 | ||
337 | // Fix stop-offsets set as absolute lengths | |
338 | if ($type==2) { | |
339 | $axisx = ($coords[2]-$coords[0])*$usew; | |
340 | $axisy = ($coords[3]-$coords[1])*$useh; | |
341 | $axis_length = sqrt(pow($axisx,2) + pow($axisy,2)); | |
342 | } | |
343 | else { $axis_length = $coords[4]*$usew; } // Absolute lengths are meaningless for an ellipse - Firefox uses Width as reference | |
344 | ||
345 | for($i=0;$i<count($stops);$i++) { | |
346 | if (isset($stops[$i]['offset']) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$stops[$i]['offset'],$m)) { | |
347 | $tmp = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); | |
348 | $stops[$i]['offset'] = $tmp/$axis_length; | |
349 | } | |
350 | } | |
351 | ||
352 | ||
353 | if (isset($stops[0]['offset']) && $stops[0]['offset']>0) { | |
354 | $firststop = $stops[0]; | |
355 | $firststop['offset'] = 0; | |
356 | array_unshift($stops, $firststop); | |
357 | } | |
358 | if (!$repeat && isset($stops[(count($stops)-1)]['offset']) && $stops[(count($stops)-1)]['offset']<1) { | |
359 | $endstop = $stops[(count($stops)-1)]; | |
360 | $endstop['offset'] = 1; | |
361 | $stops[] = $endstop; | |
362 | } | |
363 | if ($stops[0]['offset'] > $stops[(count($stops)-1)]['offset']) { | |
364 | $stops[0]['offset'] = 0; | |
365 | $stops[(count($stops)-1)]['offset'] = 1; | |
366 | } | |
367 | ||
368 | for($i=0;$i<count($stops);$i++) { | |
369 | // mPDF 5.3.74 | |
370 | if ($colorspace == 'CMYK') { | |
371 | $this->mpdf->gradients[$n]['stops'][$i]['col'] = sprintf('%.3F %.3F %.3F %.3F', (ord($stops[$i]['col']{1})/100), (ord($stops[$i]['col']{2})/100), (ord($stops[$i]['col']{3})/100), (ord($stops[$i]['col']{4})/100)); | |
372 | } | |
373 | else if ($colorspace == 'Gray') { | |
374 | $this->mpdf->gradients[$n]['stops'][$i]['col'] = sprintf('%.3F', (ord($stops[$i]['col']{1})/255)); | |
375 | } | |
376 | else { | |
377 | $this->mpdf->gradients[$n]['stops'][$i]['col'] = sprintf('%.3F %.3F %.3F', (ord($stops[$i]['col']{1})/255), (ord($stops[$i]['col']{2})/255), (ord($stops[$i]['col']{3})/255)); | |
378 | } | |
379 | if (!isset($stops[$i]['opacity'])) { $stops[$i]['opacity'] = 1; } | |
380 | else if ($stops[$i]['opacity'] > 1 || $stops[$i]['opacity'] < 0) { $stops[$i]['opacity'] = 1; } | |
381 | else if ($stops[$i]['opacity'] < 1) { | |
382 | $trans = true; | |
383 | } | |
384 | $this->mpdf->gradients[$n]['stops'][$i]['opacity'] = $stops[$i]['opacity']; | |
385 | // OFFSET | |
386 | if ($i>0 && $i<(count($stops)-1)) { | |
387 | if (!isset($stops[$i]['offset']) || (isset($stops[$i+1]['offset']) && $stops[$i]['offset']>$stops[$i+1]['offset']) || $stops[$i]['offset']<$stops[$i-1]['offset']) { | |
388 | if (isset($stops[$i-1]['offset']) && isset($stops[$i+1]['offset'])) { | |
389 | $stops[$i]['offset'] = ($stops[$i-1]['offset']+$stops[$i+1]['offset'])/2; | |
390 | } | |
391 | else { | |
392 | for($j=($i+1);$j<count($stops);$j++) { | |
393 | if(isset($stops[$j]['offset'])) { break; } | |
394 | } | |
395 | $int = ($stops[$j]['offset'] - $stops[($i-1)]['offset'])/($j-$i+1); | |
396 | for($f=0;$f<($j-$i-1);$f++) { | |
397 | $stops[($i+$f)]['offset'] = $stops[($i+$f-1)]['offset'] + ($int); | |
398 | } | |
399 | } | |
400 | } | |
401 | } | |
402 | $this->mpdf->gradients[$n]['stops'][$i]['offset'] = $stops[$i]['offset']; | |
403 | $this->mpdf->gradients[$n]['stops'][$i]['offset'] = $stops[$i]['offset']; | |
404 | } | |
405 | ||
406 | if ($repeat) { | |
407 | $ns = count($this->mpdf->gradients[$n]['stops']); | |
408 | $offs = array(); | |
409 | for($i=0;$i<$ns;$i++) { | |
410 | $offs[$i] = $this->mpdf->gradients[$n]['stops'][$i]['offset']; | |
411 | } | |
412 | $gp = 0; | |
413 | $inside=true; | |
414 | while($inside) { | |
415 | $gp++; | |
416 | for($i=0;$i<$ns;$i++) { | |
417 | $this->mpdf->gradients[$n]['stops'][(($ns*$gp)+$i)] = $this->mpdf->gradients[$n]['stops'][(($ns*($gp-1))+$i)]; | |
418 | $tmp = $this->mpdf->gradients[$n]['stops'][(($ns*($gp-1))+($ns-1))]['offset']+$offs[$i] ; | |
419 | if ($tmp < 1) { $this->mpdf->gradients[$n]['stops'][(($ns*$gp)+$i)]['offset'] = $tmp; } | |
420 | else { | |
421 | $this->mpdf->gradients[$n]['stops'][(($ns*$gp)+$i)]['offset'] = 1; | |
422 | $inside = false; | |
423 | break(2); | |
424 | } | |
425 | } | |
426 | } | |
427 | } | |
428 | ||
429 | if ($trans) { | |
430 | $this->mpdf->gradients[$n]['trans'] = true; | |
431 | $s .= ' /TGS'.$n.' gs '; | |
432 | } | |
433 | if (!is_array($extend) || count($extend) <1) { | |
434 | $extend=array('true', 'true'); // These are supposed to be quoted - appear in PDF file as text | |
435 | } | |
436 | $this->mpdf->gradients[$n]['coords'] = $coords; | |
437 | $this->mpdf->gradients[$n]['extend'] = $extend; | |
438 | //paint the gradient | |
439 | $s .= '/Sh'.$n.' sh '."\n"; | |
440 | //restore previous Graphic State | |
441 | $s .= ' Q '."\n"; | |
442 | if ($return) { return $s; } | |
443 | else { $this->mpdf->_out($s); } | |
444 | } | |
445 | ||
446 | ||
447 | function parseMozGradient($bg) { | |
448 | // background[-image]: -moz-linear-gradient(left, #c7Fdde 20%, #FF0000 ); | |
449 | // background[-image]: linear-gradient(left, #c7Fdde 20%, #FF0000 ); // CSS3 | |
450 | if (preg_match('/repeating-/',$bg)) { $repeat = true; } | |
451 | else { $repeat = false; } | |
452 | if (preg_match('/linear-gradient\((.*)\)/',$bg,$m)) { | |
453 | $g = array(); | |
454 | $g['type'] = 2; | |
455 | $g['colorspace'] = 'RGB'; | |
456 | $g['extend'] = array('true','true'); | |
457 | $v = trim($m[1]); | |
458 | // Change commas inside e.g. rgb(x,x,x) | |
459 | while(preg_match('/(\([^\)]*?),/',$v)) { $v = preg_replace('/(\([^\)]*?),/','\\1@',$v); } | |
460 | // Remove spaces inside e.g. rgb(x, x, x) | |
461 | while(preg_match('/(\([^\)]*?)[ ]/',$v)) { $v = preg_replace('/(\([^\)]*?)[ ]/','\\1',$v); } | |
462 | $bgr = preg_split('/\s*,\s*/',$v); | |
463 | for($i=0;$i<count($bgr);$i++) { $bgr[$i] = preg_replace('/@/', ',', $bgr[$i]); } | |
464 | // Is first part $bgr[0] a valid point/angle? | |
465 | $first = preg_split('/\s+/',trim($bgr[0])); | |
466 | if (preg_match('/(left|center|right|bottom|top|deg|grad|rad)/i',$bgr[0]) && !preg_match('/(<#|rgb|rgba|hsl|hsla)/i',$bgr[0])) { | |
467 | $startStops = 1; | |
468 | } | |
469 | else if (trim($first[(count($first)-1)]) === "0") { | |
470 | $startStops = 1; | |
471 | } | |
472 | else { | |
473 | $check = $this->mpdf->ConvertColor($first[0]); | |
474 | if ($check) $startStops = 0; | |
475 | else $startStops = 1; | |
476 | } | |
477 | // first part a valid point/angle? | |
478 | if ($startStops == 1) { // default values | |
479 | // [<point> || <angle>,] = [<% em px left center right bottom top> || <deg grad rad 0>,] | |
480 | if (preg_match('/([\-]*[0-9\.]+)(deg|grad|rad)/i',$bgr[0],$m)) { | |
481 | $angle = $m[1] + 0; | |
482 | if (strtolower($m[2])=='deg') { $angle = $angle; } | |
483 | else if (strtolower($m[2])=='grad') { $angle *= (360/400); } | |
484 | else if (strtolower($m[2])=='rad') { $angle = rad2deg($angle); } | |
485 | while($angle < 0) { $angle += 360; } | |
486 | $angle = ($angle % 360); | |
487 | } | |
488 | else if (trim($first[(count($first)-1)]) === "0") { $angle = 0; } | |
489 | if (preg_match('/left/i',$bgr[0])) { $startx = 0; } | |
490 | else if (preg_match('/right/i',$bgr[0])) { $startx = 1; } | |
491 | if (preg_match('/top/i',$bgr[0])) { $starty = 1; } | |
492 | else if (preg_match('/bottom/i',$bgr[0])) { $starty = 0; } | |
493 | // Check for %? ?% or %% | |
494 | if (preg_match('/(\d+)[%]/i',$first[0],$m)) { $startx = $m[1]/100; } | |
495 | else if (!isset($startx) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$first[0],$m)) { | |
496 | $tmp = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); | |
497 | if ($tmp) { $startx = $m[1]; } | |
498 | } | |
499 | if (isset($first[1]) && preg_match('/(\d+)[%]/i',$first[1],$m)) { $starty = 1 - ($m[1]/100); } | |
500 | else if (!isset($starty) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$first[1],$m)) { | |
501 | $tmp = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); | |
502 | if ($tmp) { $starty = $m[1]; } | |
503 | } | |
504 | if (isset($startx) && !isset($starty)) { $starty = 0.5; } | |
505 | if (!isset($startx) && isset($starty)) { $startx = 0.5; } | |
506 | ||
507 | } | |
508 | // If neither a <point> or <angle> is specified, i.e. the entire function consists of only <stop> values, the gradient axis starts from the top of the box and runs vertically downwards, ending at the bottom of the box. | |
509 | else { // default values T2B | |
510 | $starty = 1; $startx = 0.5; | |
511 | $endy = 0; $endx = 0.5; | |
512 | } | |
513 | $coords = array(); | |
514 | if (!isset($startx)) { $startx = false; } | |
515 | if (!isset($starty)) { $starty = false; } | |
516 | if (!isset($endx)) { $endx = false; } | |
517 | if (!isset($endy)) { $endy = false; } | |
518 | if (!isset($angle)) { $angle = false; } | |
519 | $g['coords'] = array($startx ,$starty ,$endx ,$endy, $angle, $repeat ); | |
520 | $g['stops'] = array(); | |
521 | for($i=$startStops;$i<count($bgr);$i++) { | |
522 | $stop = array(); | |
523 | // parse stops | |
524 | $el = preg_split('/\s+/',trim($bgr[$i])); | |
525 | // mPDF 5.3.74 | |
526 | $col = $this->mpdf->ConvertColor($el[0]); | |
527 | if ($col) { $stop['col'] = $col; } | |
528 | else { $stop['col'] = $col = $this->mpdf->ConvertColor(255); } | |
529 | if ($col{0}==1) $g['colorspace'] = 'Gray'; | |
530 | else if ($col{0}==4 || $col{0}==6) $g['colorspace'] = 'CMYK'; | |
531 | if ($col{0}==5) { $stop['opacity'] = ord($col{4})/100; } // transparency from rgba() | |
532 | else if ($col{0}==6) { $stop['opacity'] = ord($col{5})/100; } // transparency from cmyka() | |
533 | else if ($col{0}==1 && $col{2}==1) { $stop['opacity'] = ord($col{3})/100; } // transparency converted from rgba or cmyka() | |
534 | ||
535 | if (isset($el[1]) && preg_match('/(\d+)[%]/',$el[1],$m)) { | |
536 | $stop['offset'] = $m[1]/100; | |
537 | if ($stop['offset']>1) { unset($stop['offset']); } | |
538 | } | |
539 | else if (isset($el[1]) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$el[1],$m)) { | |
540 | $tmp = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); | |
541 | if ($tmp) { $stop['offset'] = $m[1]; } | |
542 | } | |
543 | $g['stops'][] = $stop; | |
544 | } | |
545 | if (count($g['stops'] )) { return $g; } | |
546 | } | |
547 | else if (preg_match('/radial-gradient\((.*)\)/',$bg,$m)) { | |
548 | $g = array(); | |
549 | $g['type'] = 3; | |
550 | $g['colorspace'] = 'RGB'; | |
551 | $g['extend'] = array('true','true'); | |
552 | $v = trim($m[1]); | |
553 | // Change commas inside e.g. rgb(x,x,x) | |
554 | while(preg_match('/(\([^\)]*?),/',$v)) { $v = preg_replace('/(\([^\)]*?),/','\\1@',$v); } | |
555 | // Remove spaces inside e.g. rgb(x, x, x) | |
556 | while(preg_match('/(\([^\)]*?)[ ]/',$v)) { $v = preg_replace('/(\([^\)]*?)[ ]/','\\1',$v); } | |
557 | $bgr = preg_split('/\s*,\s*/',$v); | |
558 | for($i=0;$i<count($bgr);$i++) { $bgr[$i] = preg_replace('/@/', ',', $bgr[$i]); } | |
559 | ||
560 | // Is first part $bgr[0] a valid point/angle? | |
561 | $startStops = 0; | |
562 | $pos_angle = false; | |
563 | $shape_size = false; | |
564 | $first = preg_split('/\s+/',trim($bgr[0])); | |
565 | $checkCol = $this->mpdf->ConvertColor($first[0]); | |
566 | if (preg_match('/(left|center|right|bottom|top|deg|grad|rad)/i',$bgr[0]) && !preg_match('/(<#|rgb|rgba|hsl|hsla)/i',$bgr[0])) { | |
567 | $startStops=1; | |
568 | $pos_angle = $bgr[0]; | |
569 | } | |
570 | else if (trim($first[(count($first)-1)]) === "0") { | |
571 | $startStops=1; | |
572 | $pos_angle = $bgr[0]; | |
573 | } | |
574 | else if (preg_match('/(circle|ellipse|closest-side|closest-corner|farthest-side|farthest-corner|contain|cover)/i',$bgr[0])) { | |
575 | $startStops=1; | |
576 | $shape_size = $bgr[0]; | |
577 | } | |
578 | else if (!$checkCol) { | |
579 | $startStops=1; | |
580 | $pos_angle = $bgr[0]; | |
581 | } | |
582 | if (preg_match('/(circle|ellipse|closest-side|closest-corner|farthest-side|farthest-corner|contain|cover)/i',$bgr[1])) { | |
583 | $startStops=2; | |
584 | $shape_size = $bgr[1]; | |
585 | } | |
586 | ||
587 | // If valid point/angle? | |
588 | if ($pos_angle) { // default values | |
589 | // [<point> || <angle>,] = [<% em px left center right bottom top> || <deg grad rad 0>,] | |
590 | if (preg_match('/left/i',$pos_angle)) { $startx = 0; } | |
591 | else if (preg_match('/right/i',$pos_angle)) { $startx = 1; } | |
592 | if (preg_match('/top/i',$pos_angle)) { $starty = 1; } | |
593 | else if (preg_match('/bottom/i',$pos_angle)) { $starty = 0; } | |
594 | // Check for %? ?% or %% | |
595 | if (preg_match('/(\d+)[%]/i',$first[0],$m)) { $startx = $m[1]/100; } | |
596 | else if (!isset($startx) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$first[0],$m)) { | |
597 | $tmp = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); | |
598 | if ($tmp) { $startx = $m[1]; } | |
599 | } | |
600 | if (isset($first[1]) && preg_match('/(\d+)[%]/i',$first[1],$m)) { $starty = 1 - ($m[1]/100); } | |
601 | else if (!isset($starty) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$first[1],$m)) { | |
602 | $tmp = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); | |
603 | if ($tmp) { $starty = $m[1]; } | |
604 | } | |
605 | ||
606 | /* | |
607 | // ?? Angle has no effect in radial gradient (does not exist in CSS3 spec.) | |
608 | if (preg_match('/([\-]*[0-9\.]+)(deg|grad|rad)/i',$pos_angle,$m)) { | |
609 | $angle = $m[1] + 0; | |
610 | if (strtolower($m[2])=='deg') { $angle = $angle; } | |
611 | else if (strtolower($m[2])=='grad') { $angle *= (360/400); } | |
612 | else if (strtolower($m[2])=='rad') { $angle = rad2deg($angle); } | |
613 | while($angle < 0) { $angle += 360; } | |
614 | $angle = ($angle % 360); | |
615 | } | |
616 | */ | |
617 | if (!isset($starty)) { $starty = 0.5; } | |
618 | if (!isset($startx)) { $startx = 0.5; } | |
619 | ||
620 | } | |
621 | // If neither a <point> or <angle> is specified, i.e. the entire function consists of only <stop> values, the gradient axis starts from the top of the box and runs vertically downwards, ending at the bottom of the box. | |
622 | else { // default values Center | |
623 | $starty = 0.5; $startx = 0.5; | |
624 | $endy = 0.5; $endx = 0.5; | |
625 | } | |
626 | ||
627 | // If valid shape/size? | |
628 | $shape = 'ellipse'; // default | |
629 | $size = 'farthest-corner'; // default | |
630 | if ($shape_size) { // default values | |
631 | if (preg_match('/(circle|ellipse)/i',$shape_size, $m)) { | |
632 | $shape = $m[1]; | |
633 | } | |
634 | if (preg_match('/(closest-side|closest-corner|farthest-side|farthest-corner|contain|cover)/i',$shape_size, $m)) { | |
635 | $size = $m[1]; | |
636 | if ($size=='contain') { $size = 'closest-side'; } | |
637 | else if ($size=='cover') { $size = 'farthest-corner'; } | |
638 | } | |
639 | } | |
640 | ||
641 | $coords = array(); | |
642 | if (!isset($startx)) { $startx = false; } | |
643 | if (!isset($starty)) { $starty = false; } | |
644 | if (!isset($endx)) { $endx = false; } | |
645 | if (!isset($endy)) { $endy = false; } | |
646 | if (!isset($radius)) { $radius = false; } | |
647 | if (!isset($angle)) { $angle = 0; } | |
648 | $g['coords'] = array($startx ,$starty ,$endx ,$endy, $radius, $angle, $shape, $size, $repeat ); | |
649 | ||
650 | $g['stops'] = array(); | |
651 | for($i=$startStops;$i<count($bgr);$i++) { | |
652 | $stop = array(); | |
653 | // parse stops | |
654 | $el = preg_split('/\s+/',trim($bgr[$i])); | |
655 | // mPDF 5.3.74 | |
656 | $col = $this->mpdf->ConvertColor($el[0]); | |
657 | if ($col) { $stop['col'] = $col; } | |
658 | else { $stop['col'] = $col = $this->mpdf->ConvertColor(255); } | |
659 | if ($col{0}==1) $g['colorspace'] = 'Gray'; | |
660 | else if ($col{0}==4 || $col{0}==6) $g['colorspace'] = 'CMYK'; | |
661 | if ($col{0}==5) { $stop['opacity'] = ord($col{4})/100; } // transparency from rgba() | |
662 | else if ($col{0}==6) { $stop['opacity'] = ord($col{5})/100; } // transparency from cmyka() | |
663 | else if ($col{0}==1 && $col{2}==1) { $stop['opacity'] = ord($col{3})/100; } // transparency converted from rgba or cmyka() | |
664 | ||
665 | if (isset($el[1]) && preg_match('/(\d+)[%]/',$el[1],$m)) { | |
666 | $stop['offset'] = $m[1]/100; | |
667 | if ($stop['offset']>1) { unset($stop['offset']); } | |
668 | } | |
669 | else if (isset($el[1]) && preg_match('/([0-9.]+(px|em|ex|pc|pt|cm|mm|in))/i',$el[1],$m)) { | |
670 | $tmp = $this->mpdf->ConvertSize($m[1],$this->mpdf->w,$this->mpdf->FontSize,false); | |
671 | $stop['offset'] = $el[1]; | |
672 | } | |
673 | $g['stops'][] = $stop; | |
674 | } | |
675 | if (count($g['stops'] )) { return $g; } | |
676 | } | |
677 | return array(); | |
678 | } | |
679 | ||
680 | function parseBackgroundGradient($bg) { | |
681 | // background-gradient: linear #00FFFF #FFFF00 0 0.5 1 0.5; or | |
682 | // background-gradient: radial #00FFFF #FFFF00 0.5 0.5 1 1 1.2; | |
683 | ||
684 | $v = trim($bg); | |
685 | $bgr = preg_split('/\s+/',$v); | |
686 | $g = array(); | |
687 | if (count($bgr)> 6) { | |
688 | if (strtoupper(substr($bgr[0],0,1)) == 'L' && count($bgr)==7) { // linear | |
689 | $g['type'] = 2; | |
690 | //$coords = array(0,0,1,1 ); // 0 0 1 0 or 0 1 1 1 is L 2 R; 1,1,0,1 is R2L; 1,1,1,0 is T2B; 1,0,1,1 is B2T | |
691 | // Linear: $coords - array of the form (x1, y1, x2, y2) which defines the gradient vector (see linear_gradient_coords.jpg). | |
692 | // The default value is from left to right (x1=0, y1=0, x2=1, y2=0). | |
693 | $g['coords'] = array($bgr[3], $bgr[4], $bgr[5], $bgr[6]); | |
694 | } | |
695 | else if (count($bgr)==8) { // radial | |
696 | $g['type'] = 3; | |
697 | // Radial: $coords - array of the form (fx, fy, cx, cy, r) where (fx, fy) is the starting point of the gradient with color1, | |
698 | // (cx, cy) is the center of the circle with color2, and r is the radius of the circle (see radial_gradient_coords.jpg). | |
699 | // (fx, fy) should be inside the circle, otherwise some areas will not be defined | |
700 | $g['coords'] = array($bgr[3], $bgr[4], $bgr[5], $bgr[6], $bgr[7]); | |
701 | } | |
702 | $g['colorspace'] = 'RGB'; | |
703 | // mPDF 5.3.74 | |
704 | $cor = $this->mpdf->ConvertColor($bgr[1]); | |
705 | if ($cor{0}==1) $g['colorspace'] = 'Gray'; | |
706 | else if ($cor{0}==4 || $cor{0}==6) $g['colorspace'] = 'CMYK'; | |
707 | if ($cor) { $g['col'] = $cor; } | |
708 | else { $g['col'] = $this->mpdf->ConvertColor(255); } | |
709 | $cor = $this->mpdf->ConvertColor($bgr[2]); | |
710 | if ($cor) { $g['col2'] = $cor; } | |
711 | else { $g['col2'] = $this->mpdf->ConvertColor(255); } | |
712 | $g['extend'] = array('true','true'); | |
713 | $g['stops'] = array(array('col'=>$g['col'], 'opacity'=>1, 'offset'=>0), array('col'=>$g['col2'], 'opacity'=>1, 'offset'=>1)); | |
714 | return $g; | |
715 | } | |
716 | return false; | |
717 | } | |
718 | ||
719 | ||
720 | ||
721 | } | |
722 | ||
723 | ?> |