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comparison mgtool.php @ 261:32c13f594e39

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Add support for PHP GraphicsMagick bindings, though it kind of sucks due to poor documentation of the said bindings.
author Matti Hamalainen <ccr@tnsp.org>
date Sun, 16 Dec 2018 16:48:30 +0200
parents 67a807666405
children 3c9ce1ad3c45
comparison
equal deleted inserted replaced
260:50f8932ab1cb 261:32c13f594e39
46 46
47 47
48 // 48 //
49 // Convert and scale image file function, for generating 49 // Convert and scale image file function, for generating
50 // the intermediate size images and thumbnails. Uses the 50 // the intermediate size images and thumbnails. Uses the
51 // PHP ImageMagick bindings. 51 // PHP ImageMagick or GraphicsMagick bindings.
52 // 52 //
53 function mgConvertImage($inFilename, $outFilename, $outDim, $outFormat, $outQuality, $thumb) 53 function mgConvertImage($inFilename, $outFilename, $outDim, $outFormat, $outQuality, $thumb)
54 { 54 {
55 // Create conversion entity 55 if (extension_loaded("imagick") && extension_loaded("imagick"))
56 try 56 {
57 { 57 return mgError("WARNING! Both ImageMagick AND GraphicsMagick modules enabled in PHP! This will cause problems! Refusing to work.\n");
58 $img = new Imagick($inFilename); 58 }
59 } 59
60 catch (Exception $e) 60 if (extension_loaded("imagick"))
61 { 61 {
62 return mgError("ImageMagick exception for file '".$inFilename."':\n".$e->getMessage()."\n"); 62 // Create conversion entity
63 } 63 try
64 64 {
65 if ($img === FALSE) 65 $img = new Imagick($inFilename);
66 return mgError("ImageMagick could not digest the file '".$inFilename."'.\n"); 66 }
67 67 catch (Exception $e)
68 $profiles = $img->getImageProfiles("icc", true); 68 {
69 $img->setImageDepth(16); 69 return mgError("ImageMagick exception for file '".$inFilename."':\n".$e->getMessage()."\n");
70 $img->transformImageColorspace(Imagick::COLORSPACE_SRGB); 70 }
71 $img->setImageColorspace(Imagick::COLORSPACE_SRGB); 71
72 72 if ($img === FALSE)
73 if ($outDim !== FALSE) 73 return mgError("ImageMagick could not digest '".$inFilename."'.\n");
74 { 74
75 // Get dimensions, setup background 75 $profiles = $img->getImageProfiles("icc", true);
76 $dim = $img->getImageGeometry(); 76 $img->setImageDepth(16);
77 //$img->setImageBackgroundColor(imagick::COLOR_BLACK); 77 $img->transformImageColorspace(Imagick::COLORSPACE_SRGB);
78 $img->setGravity(imagick::GRAVITY_CENTER); 78 $img->setImageColorspace(Imagick::COLORSPACE_SRGB);
79 79
80 80 if ($outDim !== FALSE)
81 if ($dim["width"] < $dim["height"]) 81 {
82 { 82 // Get dimensions, setup background
83 $stmp = $outDim[0]; 83 $dim = $img->getImageGeometry();
84 $outDim[0] = $outDim[1]; 84 $img->setGravity(imagick::GRAVITY_CENTER);
85 $outDim[1] = $stmp; 85
86 } 86 if ($dim["width"] < $dim["height"])
87 87 {
88 if ($dim["width"] != $outDim[0] || $dim["height"] != $outDim[1]) 88 $stmp = $outDim[0];
89 { 89 $outDim[0] = $outDim[1];
90 $outDim[1] = ($dim["height"] * $outDim[0]) / $dim["width"]; 90 $outDim[1] = $stmp;
91 } 91 }
92 92
93 // Act based on image size vs. desired size and $thumb mode 93 if ($dim["width"] != $outDim[0] || $dim["height"] != $outDim[1])
94 if ($thumb || $dim["width"] > $outDim[0] || $dim["height"] > $outDim[1]) 94 {
95 { 95 $outDim[1] = ($dim["height"] * $outDim[0]) / $dim["width"];
96 // Image is larger 96 }
97 $img->resizeImage($outDim[0], $outDim[1], Imagick::FILTER_LANCZOS, 1); 97
98 $img->setImageExtent($outDim[0], $outDim[1]); 98 // Act based on image size vs. desired size and $thumb mode
99 // $img->normalizeImage(); 99 if ($thumb || $dim["width"] != $outDim[0] || $dim["height"] != $outDim[1])
100 $img->unsharpMaskImage(0, 0.5, 1, 0.05); 100 {
101 } 101 $img->resizeImage($outDim[0], $outDim[1], Imagick::FILTER_LANCZOS, 1);
102 if ($dim["width"] < $outDim[0] || $dim["height"] < $outDim[1]) 102 $img->setImageExtent($outDim[0], $outDim[1]);
103 { 103 $img->unsharpMaskImage(0, 0.5, 1, 0.05);
104 // Image is smaller than requested dimension(s)? 104 }
105 $img->resizeImage($outDim[0], $outDim[1], Imagick::FILTER_LANCZOS, 1); 105 }
106 $img->setImageExtent($outDim[0], $outDim[1]); 106
107 // $img->normalizeImage(); 107 $img->setImageDepth(8);
108 $img->unsharpMaskImage(0, 0.5, 1, 0.05); 108 $tfmt = strtolower($outFormat);
109 } 109 switch ($tfmt)
110 } 110 {
111 111 case "jpeg":
112 $img->setImageDepth(8); 112 $img->setFormat("JPEG");
113 $tfmt = strtolower($outFormat); 113 $img->setImageCompression(Imagick::COMPRESSION_JPEG);
114 switch ($tfmt) 114 break;
115 { 115
116 case "jpeg": 116 case "webp":
117 $img->setFormat("JPEG"); 117 $img->setFormat("WEBP");
118 $img->setImageCompression(Imagick::COMPRESSION_JPEG); 118 $img->setOption('webp:method', '6');
119 break; 119 break;
120 120
121 case "webp": 121 default:
122 $img->setFormat("WEBP"); 122 return mgError("Unsupported MGallery med/tn format '".$tfmt."'.\n");
123 $img->setOption('webp:method', '6'); 123 }
124 break; 124
125 125 $img->setImageCompressionQuality($outQuality);
126 default: 126
127 return mgError("Unsupported MGallery med/tn format '".$tfmt."'.\n"); 127 $img->stripImage();
128 } 128 if (!empty($profiles))
129 129 $img->profileImage("icc", $profiles["icc"]);
130 $img->setImageCompressionQuality($outQuality); 130
131 131 $img->writeImage($outFilename);
132 $img->stripImage(); 132 $img->removeImage();
133 if (!empty($profiles)) 133 }
134 $img->profileImage("icc", $profiles["icc"]); 134 else
135 135 if (extension_loaded("gmagick"))
136 $img->writeImage($outFilename); 136 {
137 $img->removeImage(); 137 // Create conversion entity
138 try
139 {
140 $img = new Gmagick($inFilename);
141 }
142 catch (Exception $e)
143 {
144 return mgError("GraphicsMagick exception for file '".$inFilename."':\n".$e->getMessage()."\n");
145 }
146
147 if ($img === FALSE)
148 return mgError("GraphicsMagick could not digest '".$inFilename."'.\n");
149
150 // $profiles = $img->getImageProfile("icc");
151 // $img->setImageDepth(16);
152 // $img->setImageColorspace(Gmagick::COLORSPACE_SRGB);
153
154 if ($outDim !== FALSE)
155 {
156 // Get dimensions, setup background
157 $dim = $img->getImageGeometry();
158 //$img->setGravity(Gmagick::GRAVITY_CENTER);
159
160 if ($dim["width"] < $dim["height"])
161 {
162 $stmp = $outDim[0];
163 $outDim[0] = $outDim[1];
164 $outDim[1] = $stmp;
165 }
166
167 if ($dim["width"] != $outDim[0] || $dim["height"] != $outDim[1])
168 {
169 $outDim[1] = ($dim["height"] * $outDim[0]) / $dim["width"];
170 }
171
172 // Act based on image size vs. desired size and $thumb mode
173 if ($thumb || $dim["width"] != $outDim[0] || $dim["height"] != $outDim[1])
174 {
175 $img->resizeImage($outDim[0], $outDim[1], Gmagick::FILTER_LANCZOS, 1);
176 //$img->setImageExtent($outDim[0], $outDim[1]);
177 //$img->unsharpMaskImage(0, 0.5, 1, 0.05);
178 }
179 }
180
181 $img->setImageDepth(8);
182 $tfmt = strtolower($outFormat);
183 switch ($tfmt)
184 {
185 case "jpeg":
186 $img->setFormat("JPEG");
187 $img->setImageCompression(Gmagick::COMPRESSION_JPEG);
188 break;
189
190 case "webp":
191 $img->setFormat("WEBP");
192 // $img->setOption('webp:method', '6');
193 break;
194
195 default:
196 return mgError("Unsupported MGallery med/tn format '".$tfmt."'.\n");
197 }
198
199 $img->setCompressionQuality($outQuality);
200
201 $img->stripImage();
202 // if (!empty($profiles))
203 // $img->profileImage("icc", $profiles);
204
205 $img->writeImage($outFilename);
206 $img->removeImage();
207 }
208 else
209 {
210 return mgError("No ImageMagick OR GraphicsMagick module in PHP!\n");
211 }
212
138 return TRUE; 213 return TRUE;
139 } 214 }
140 215
141 216
142 // 217 //