質問編集履歴
4
質問の訂正
test
CHANGED
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test
CHANGED
@@ -2,6 +2,10 @@
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2
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3
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原因わかりますでしょうか?
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4
4
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5
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+
いろいろ試した結果、どの拡張子でも縦長の画像だけwidthが見切れてしまいました
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6
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+
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7
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+
![![イメージ説明](85d9755b9136f923b8e944bf3bb9ef85.jpeg)](8b82eb9a4c2db57fba2d9353d843493a.jpeg)
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8
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+
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9
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```php
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10
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11
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if (isset($_POST["send"])) {
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3
プログラムの修正
test
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test
CHANGED
@@ -20,11 +20,7 @@
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20
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list($width, $hight)=$date;
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22
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23
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-
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+
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24
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-
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var_dump($hight);
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-
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var_dump($date[2]);
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$w = $width / 100;
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@@ -66,7 +62,7 @@
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67
63
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if ($date[2] == 2) {
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68
64
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69
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-
$img_in = imagecreatefromjpg($file);
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65
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$img_in = imagecreatefromjpeg($file);
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70
66
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$img_out = imagecreatetruecolor(100, 200);
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@@ -88,7 +84,7 @@
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-
imagejpg($img_out, "images/new.jpeg");
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87
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imagejpeg($img_out, "images/new.jpeg");
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88
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89
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}
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90
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2
コードの編集
test
CHANGED
File without changes
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test
CHANGED
@@ -1,8 +1,8 @@
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1
1
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PNG、GIF、JPEGの画像のリサイズで、PNGとGIFは動くんですがJPEGだけ見切れてしまいます
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2
2
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3
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-
原因わかりますでしょうか?
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3
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+
原因わかりますでしょうか?
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4
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-
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4
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+
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5
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-
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5
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```php
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6
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if (isset($_POST["send"])) {
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@@ -176,196 +176,10 @@
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```
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```html
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-
<?php
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-
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191
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if (isset($_POST["send"])) {
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193
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$file = $_FILES['fname']['tmp_name'];
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195
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-
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196
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197
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198
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199
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$date= getimagesize($file);
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200
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-
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201
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202
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203
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204
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205
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list($width, $hight)=$date;
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206
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-
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207
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var_dump($width);
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208
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-
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209
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var_dump($hight);
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210
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-
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211
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var_dump($date[2]);
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212
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-
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213
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$w = $width / 100;
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214
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-
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215
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$h = $hight / 200;
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-
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217
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var_dump($w);
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218
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219
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var_dump($h);
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220
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-
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221
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-
if ($width >= $hight) {
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222
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-
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223
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$nw = $width / $w;
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224
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-
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225
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-
$nh = $hight / $w;
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226
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-
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227
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-
} elseif ($width < $hight) {
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228
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-
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229
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-
$nw = $width / $h;
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230
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-
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231
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$nh = $hight / $h;
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232
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-
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233
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-
}
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234
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235
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var_dump($nw);
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236
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237
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var_dump($nh);
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238
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239
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$nx = (100-$nw) / 2;
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240
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241
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$ny = (200-$nh) / 2;
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242
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243
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244
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245
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-
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246
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-
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247
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248
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249
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//JPG
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250
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-
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251
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if ($date[2] == 2) {
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252
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-
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253
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$img_in = imagecreatefromjpg($file);
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254
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-
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255
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$img_out = imagecreatetruecolor(100, 200);
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256
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257
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258
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259
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imagealphablending($img_out, false);
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260
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-
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261
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imagesavealpha($img_out, true);
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262
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263
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264
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265
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266
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267
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imagecopyresampled($img_out, $img_in, $nx, $ny, 0, 0, $nw, $nh, $width, $hight);
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268
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-
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269
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270
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-
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271
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$filename = 'jpeg';
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272
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275
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imagejpg($img_out, "images/new.jpeg");
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276
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277
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}
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278
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-
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279
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-
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280
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-
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281
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-
//PNG
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282
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-
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283
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-
elseif ($date[2] == 3) {
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284
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-
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285
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-
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286
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-
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287
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$img_in = imagecreatefrompng($file);
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288
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-
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289
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$img_out = imagecreatetruecolor(100, 200);
|
290
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-
|
291
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-
|
292
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-
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293
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-
imagealphablending($img_out, false);
|
294
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-
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295
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imagesavealpha($img_out, true);
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296
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-
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297
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298
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299
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-
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300
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301
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imagecopyresampled($img_out, $img_in, $nx, $ny, 0, 0, $nw, $nh, $width, $hight);
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302
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303
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304
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305
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$filename = 'png';
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306
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307
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308
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309
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imagepng($img_out, 'images/new.png');
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311
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}
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312
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313
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-
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314
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315
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316
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317
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-
//GIF
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318
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-
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319
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-
elseif($date[2] == 1){
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320
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-
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321
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$img_in = imagecreatefromgif($file);
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322
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-
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323
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$img_out = imagecreatetruecolor(100, 200);
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324
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325
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326
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327
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imagealphablending($img_out, false);
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329
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imagesavealpha($img_out, true);
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330
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331
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332
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333
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334
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335
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-
imagecopyresampled($img_out, $img_in, $nx, $ny, 0, 0, $nw, $nh, $width, $hight);
|
336
|
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|
337
|
-
|
338
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-
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339
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|
340
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-
|
341
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-
$filename = 'gif';
|
342
|
-
|
343
|
-
imagegif($img_out, "images/new.gif");
|
344
|
-
|
345
|
-
}
|
346
|
-
|
347
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-
|
348
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-
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349
|
-
|
350
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351
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352
|
-
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353
|
-
imagedestroy($img_in);
|
354
|
-
|
355
|
-
imagedestroy($img_out);
|
356
|
-
|
357
|
-
|
358
|
-
|
359
|
-
}
|
360
|
-
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361
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362
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-
|
363
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-
|
364
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-
|
365
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-
?>
|
366
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-
|
367
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368
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|
369
183
|
<!doctype html>
|
370
184
|
|
371
185
|
<html>
|
@@ -416,10 +230,4 @@
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|
416
230
|
|
417
231
|
</html>
|
418
232
|
|
419
|
-
|
420
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-
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421
233
|
```
|
422
|
-
|
423
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-
|
424
|
-
|
425
|
-
```
|
1
内容の追加
test
CHANGED
File without changes
|
test
CHANGED
@@ -1,6 +1,186 @@
|
|
1
1
|
PNG、GIF、JPEGの画像のリサイズで、PNGとGIFは動くんですがJPEGだけ見切れてしまいます
|
2
2
|
|
3
|
-
原因わかりますでしょうか?```
|
3
|
+
原因わかりますでしょうか?```PHP
|
4
|
+
|
5
|
+
コード
|
6
|
+
|
7
|
+
if (isset($_POST["send"])) {
|
8
|
+
|
9
|
+
$file = $_FILES['fname']['tmp_name'];
|
10
|
+
|
11
|
+
|
12
|
+
|
13
|
+
|
14
|
+
|
15
|
+
$date= getimagesize($file);
|
16
|
+
|
17
|
+
|
18
|
+
|
19
|
+
|
20
|
+
|
21
|
+
list($width, $hight)=$date;
|
22
|
+
|
23
|
+
var_dump($width);
|
24
|
+
|
25
|
+
var_dump($hight);
|
26
|
+
|
27
|
+
var_dump($date[2]);
|
28
|
+
|
29
|
+
$w = $width / 100;
|
30
|
+
|
31
|
+
$h = $hight / 200;
|
32
|
+
|
33
|
+
var_dump($w);
|
34
|
+
|
35
|
+
var_dump($h);
|
36
|
+
|
37
|
+
if ($width >= $hight) {
|
38
|
+
|
39
|
+
$nw = $width / $w;
|
40
|
+
|
41
|
+
$nh = $hight / $w;
|
42
|
+
|
43
|
+
} elseif ($width < $hight) {
|
44
|
+
|
45
|
+
$nw = $width / $h;
|
46
|
+
|
47
|
+
$nh = $hight / $h;
|
48
|
+
|
49
|
+
}
|
50
|
+
|
51
|
+
var_dump($nw);
|
52
|
+
|
53
|
+
var_dump($nh);
|
54
|
+
|
55
|
+
$nx = (100-$nw) / 2;
|
56
|
+
|
57
|
+
$ny = (200-$nh) / 2;
|
58
|
+
|
59
|
+
|
60
|
+
|
61
|
+
|
62
|
+
|
63
|
+
|
64
|
+
|
65
|
+
//JPG
|
66
|
+
|
67
|
+
if ($date[2] == 2) {
|
68
|
+
|
69
|
+
$img_in = imagecreatefromjpg($file);
|
70
|
+
|
71
|
+
$img_out = imagecreatetruecolor(100, 200);
|
72
|
+
|
73
|
+
|
74
|
+
|
75
|
+
imagealphablending($img_out, false);
|
76
|
+
|
77
|
+
imagesavealpha($img_out, true);
|
78
|
+
|
79
|
+
|
80
|
+
|
81
|
+
|
82
|
+
|
83
|
+
imagecopyresampled($img_out, $img_in, $nx, $ny, 0, 0, $nw, $nh, $width, $hight);
|
84
|
+
|
85
|
+
|
86
|
+
|
87
|
+
$filename = 'jpeg';
|
88
|
+
|
89
|
+
|
90
|
+
|
91
|
+
imagejpg($img_out, "images/new.jpeg");
|
92
|
+
|
93
|
+
}
|
94
|
+
|
95
|
+
|
96
|
+
|
97
|
+
//PNG
|
98
|
+
|
99
|
+
elseif ($date[2] == 3) {
|
100
|
+
|
101
|
+
|
102
|
+
|
103
|
+
$img_in = imagecreatefrompng($file);
|
104
|
+
|
105
|
+
$img_out = imagecreatetruecolor(100, 200);
|
106
|
+
|
107
|
+
|
108
|
+
|
109
|
+
imagealphablending($img_out, false);
|
110
|
+
|
111
|
+
imagesavealpha($img_out, true);
|
112
|
+
|
113
|
+
|
114
|
+
|
115
|
+
|
116
|
+
|
117
|
+
imagecopyresampled($img_out, $img_in, $nx, $ny, 0, 0, $nw, $nh, $width, $hight);
|
118
|
+
|
119
|
+
|
120
|
+
|
121
|
+
$filename = 'png';
|
122
|
+
|
123
|
+
|
124
|
+
|
125
|
+
imagepng($img_out, 'images/new.png');
|
126
|
+
|
127
|
+
}
|
128
|
+
|
129
|
+
|
130
|
+
|
131
|
+
|
132
|
+
|
133
|
+
//GIF
|
134
|
+
|
135
|
+
elseif($date[2] == 1){
|
136
|
+
|
137
|
+
$img_in = imagecreatefromgif($file);
|
138
|
+
|
139
|
+
$img_out = imagecreatetruecolor(100, 200);
|
140
|
+
|
141
|
+
|
142
|
+
|
143
|
+
imagealphablending($img_out, false);
|
144
|
+
|
145
|
+
imagesavealpha($img_out, true);
|
146
|
+
|
147
|
+
|
148
|
+
|
149
|
+
|
150
|
+
|
151
|
+
imagecopyresampled($img_out, $img_in, $nx, $ny, 0, 0, $nw, $nh, $width, $hight);
|
152
|
+
|
153
|
+
|
154
|
+
|
155
|
+
|
156
|
+
|
157
|
+
$filename = 'gif';
|
158
|
+
|
159
|
+
imagegif($img_out, "images/new.gif");
|
160
|
+
|
161
|
+
}
|
162
|
+
|
163
|
+
|
164
|
+
|
165
|
+
|
166
|
+
|
167
|
+
|
168
|
+
|
169
|
+
imagedestroy($img_in);
|
170
|
+
|
171
|
+
imagedestroy($img_out);
|
172
|
+
|
173
|
+
|
174
|
+
|
175
|
+
}
|
176
|
+
|
177
|
+
|
178
|
+
|
179
|
+
|
180
|
+
|
181
|
+
|
182
|
+
|
183
|
+
```html
|
4
184
|
|
5
185
|
<?php
|
6
186
|
|
@@ -239,3 +419,7 @@
|
|
239
419
|
|
240
420
|
|
241
421
|
```
|
422
|
+
|
423
|
+
|
424
|
+
|
425
|
+
```
|