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--- code:android-code:image-convert [2011/11/17 20:31] – percy
+++ code:android-code:image-convert [2016/05/05 13:07] (current) – external edit 127.0.0.1
@@ Line 531: / Line 531: @@
 </code>
+====== 图像等比例伸缩 ======
+<code java>
+    public static Bitmap createFixedBitmapWithImageView(ImageView imageView, Bitmap bitmap) {
+        float bitmapHeight = bitmap.getHeight();
+        float bitmapWidth = bitmap.getWidth();
+        float imageViewWidth = imageView.getWidth();
+        float imageViewHeight = imageView.getHeight();
+        float imageViewRate = (float) imageViewWidth / (float) imageViewHeight;
+        float bitmapRate = (float) bitmapWidth / (float) bitmapHeight;
+        float newWidth = 0;
+        float newHeight = 0;
+        if (bitmapHeight > imageViewHeight && bitmapWidth > imageViewWidth) {
+            if (bitmapRate > imageViewRate) {
+                newWidth = imageViewWidth;
+                newHeight = (imageViewWidth / bitmapWidth) * imageViewHeight;
+            } else {
+                newHeight = imageViewHeight;
+                newWidth = (imageViewHeight / bitmapHeight) * bitmapWidth;
+            }
+        } else if (bitmapHeight >= imageViewHeight && bitmapWidth <= imageViewWidth) {
+            if (bitmapRate > imageViewRate) {
+                newWidth = imageViewWidth;
+                newHeight = (imageViewWidth / bitmapWidth) * imageViewHeight;
+            } else {
+                newHeight = imageViewHeight;
+                newWidth = imageViewHeight / bitmapHeight * bitmapWidth;
+            }
+        } else if (bitmapHeight < imageViewHeight && bitmapWidth > imageViewWidth) {
+            if (bitmapRate > imageViewRate) {
+                newWidth = imageViewWidth;
+                newHeight = (imageViewWidth / bitmapWidth) * imageViewHeight;
+            } else {
+                newHeight = imageViewHeight;
+                newWidth = (imageViewHeight / bitmapHeight) * bitmapWidth;
+            }
+        } else {
+            if (bitmapRate > imageViewRate) {
+                newWidth = imageViewWidth;
+                newHeight = (imageViewWidth) / bitmapWidth * imageViewHeight;
+            } else {
+                newHeight = imageViewHeight;
+                newWidth = (imageViewHeight / bitmapHeight) * bitmapWidth;
+            }
+        }
+        Bitmap resizedBitmap = resizeImage(bitmap, (int) newWidth, (int) newHeight);
+        return resizedBitmap;
+    }
+</code>