switch to alsa.omap3 module

[android_pandora.git] / apps / oi-filemanager / FileManager / src / org / openintents / filemanager / util / ImageUtils.java

package org.openintents.filemanager.util;\r
\r
import android.graphics.Bitmap;\r
import android.graphics.Canvas;\r
import android.graphics.Matrix;\r
import android.graphics.drawable.BitmapDrawable;\r
import android.graphics.drawable.Drawable;\r
\r
public final class ImageUtils {\r
\r
	/**\r
	 * Resizes specific a Bitmap with keeping ratio.\r
	 */\r
	public static Bitmap resizeBitmap(Bitmap drawable, int desireWidth,\r
			int desireHeight) {\r
		int width = drawable.getWidth();\r
		int height = drawable.getHeight();\r
\r
		if (0 < width && 0 < height && desireWidth < width\r
				|| desireHeight < height) {\r
			// Calculate scale\r
			float scale;\r
			if (width < height) {\r
				scale = (float) desireHeight / (float) height;\r
				if (desireWidth < width * scale) {\r
					scale = (float) desireWidth / (float) width;\r
				}\r
			} else {\r
				scale = (float) desireWidth / (float) width;\r
			}\r
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			// Draw resized image\r
			Matrix matrix = new Matrix();\r
			matrix.postScale(scale, scale);\r
			Bitmap bitmap = Bitmap.createBitmap(drawable, 0, 0, width, height,\r
					matrix, true);\r
			Canvas canvas = new Canvas(bitmap);\r
			canvas.drawBitmap(bitmap, 0, 0, null);\r
\r
			drawable = bitmap;\r
		}\r
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		return drawable;\r
	}\r
\r
	/**\r
	 * Resizes specific a Drawable with keeping ratio.\r
	 */\r
	public static Drawable resizeDrawable(Drawable drawable, int desireWidth,\r
			int desireHeight) {\r
		int width = drawable.getIntrinsicWidth();\r
		int height = drawable.getIntrinsicHeight();\r
\r
		if (0 < width && 0 < height && desireWidth < width\r
				|| desireHeight < height) {\r
			drawable = new BitmapDrawable(resizeBitmap(\r
					((BitmapDrawable) drawable).getBitmap(), desireWidth,\r
					desireHeight));\r
		}\r
\r
		return drawable;\r
	}\r
\r
}\r