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@@ 1236-1256 (lines=21) @@
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| 1233 |
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* @param int $maxHeight Hauteur maximum souhaitée |
| 1234 |
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* @return array Liste [ largeur, hauteur, ratio de réduction ] |
| 1235 |
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**/ |
| 1236 |
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function _image_ratio($srcWidth, $srcHeight, $maxWidth, $maxHeight) { |
| 1237 |
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$ratioWidth = $srcWidth / $maxWidth; |
| 1238 |
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$ratioHeight = $srcHeight / $maxHeight; |
| 1239 |
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| 1240 |
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if ($ratioWidth <= 1 and $ratioHeight <= 1) { |
| 1241 |
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$destWidth = $srcWidth; |
| 1242 |
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$destHeight = $srcHeight; |
| 1243 |
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} elseif ($ratioWidth < $ratioHeight) { |
| 1244 |
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$destWidth = $srcWidth / $ratioHeight; |
| 1245 |
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$destHeight = $maxHeight; |
| 1246 |
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} else { |
| 1247 |
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$destWidth = $maxWidth; |
| 1248 |
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$destHeight = $srcHeight / $ratioWidth; |
| 1249 |
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} |
| 1250 |
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| 1251 |
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return array( |
| 1252 |
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ceil($destWidth), |
| 1253 |
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ceil($destHeight), |
| 1254 |
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max($ratioWidth, $ratioHeight) |
| 1255 |
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); |
| 1256 |
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} |
| 1257 |
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| 1258 |
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/** |
| 1259 |
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* Réduire des dimensions en respectant un ratio sur la plus petite dimension |
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@@ 1274-1294 (lines=21) @@
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| 1271 |
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* @param int $maxHeight Hauteur maximum souhaitée |
| 1272 |
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* @return array Liste [ largeur, hauteur, ratio de réduction ] |
| 1273 |
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**/ |
| 1274 |
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function ratio_passe_partout($srcWidth, $srcHeight, $maxWidth, $maxHeight) { |
| 1275 |
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$ratioWidth = $srcWidth / $maxWidth; |
| 1276 |
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$ratioHeight = $srcHeight / $maxHeight; |
| 1277 |
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|
| 1278 |
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if ($ratioWidth <= 1 and $ratioHeight <= 1) { |
| 1279 |
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$destWidth = $srcWidth; |
| 1280 |
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$destHeight = $srcHeight; |
| 1281 |
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} elseif ($ratioWidth > $ratioHeight) { |
| 1282 |
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$destWidth = $srcWidth / $ratioHeight; |
| 1283 |
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$destHeight = $maxHeight; |
| 1284 |
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} else { |
| 1285 |
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$destWidth = $maxWidth; |
| 1286 |
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$destHeight = $srcHeight / $ratioWidth; |
| 1287 |
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} |
| 1288 |
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| 1289 |
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return array( |
| 1290 |
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ceil($destWidth), |
| 1291 |
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ceil($destHeight), |
| 1292 |
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min($ratioWidth, $ratioHeight) |
| 1293 |
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); |
| 1294 |
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} |
| 1295 |
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| 1296 |
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|
| 1297 |
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/** |
spip /
SPIP
