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Reorder RoundedImageView to optimize bitmap creation

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This commit is contained in:
EmmanuelMess
2020-09-17 21:09:13 -03:00
parent 1b8317cd7d
commit cb03fccee0
1 changed files with 34 additions and 33 deletions
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app/src/main/java/com/amaze/filemanager/ui/views/RoundedImageView.java
+34 -33
View File
@@ -42,8 +42,12 @@ public class RoundedImageView extends ImageView {
private static final float BACKGROUND_CIRCLE_MARGIN_PERCENTUAL = 0.015f;
private float[] relativeSize = null;
private float relativeWidth;
private float relativeHeight;
private boolean isImageAnIcon = false;
private boolean forceRedraw = false;
private Paint background = new Paint();
private Bitmap bitmap = null;
public RoundedImageView(Context ctx, AttributeSet attrs) {
super(ctx, attrs);
@@ -59,21 +63,28 @@ public class RoundedImageView extends ImageView {
Drawable drawable = getDrawable();
int w = getWidth(), h = getHeight();
if (!isImageAnIcon()) {
Bitmap b = drawableToBitmap(drawable);
Bitmap bitmap = b.copy(Bitmap.Config.ARGB_8888, true);
Bitmap roundBitmap = getRoundedCroppedBitmap(bitmap, w);
canvas.drawBitmap(roundBitmap, 0, 0, null);
} else {
if (isImageAnIcon) {
float min = Math.min(w, h);
float backgroundCircleMargin = min * BACKGROUND_CIRCLE_MARGIN_PERCENTUAL;
float radius = min / 2f - backgroundCircleMargin * 2;
Bitmap bitmap = drawableToBitmapRelative(drawable, radius);
if (bitmap == null || forceRedraw) {
bitmap = drawableToBitmapRelative(drawable, radius, relativeWidth, relativeHeight);
forceRedraw = false;
}
canvas.drawCircle(w / 2, h / 2, radius, background);
canvas.drawBitmap(
bitmap, w / 2 - bitmap.getWidth() / 2, h / 2 - bitmap.getHeight() / 2, null);
} else {
if (bitmap == null || forceRedraw) {
Bitmap b = drawableToBitmap(drawable);
Bitmap tempBitmap = b.copy(Config.ARGB_8888, true);
bitmap = getRoundedCroppedBitmap(getContext(), tempBitmap, w);
forceRedraw = false;
}
canvas.drawBitmap(bitmap, 0, 0, null);
}
}
@@ -92,14 +103,13 @@ public class RoundedImageView extends ImageView {
if (width > 2 || height > 2)
throw new UnsupportedOperationException(
"Can't make image bigger! Accepted values are [2; 0)");
this.relativeSize = new float[] {width, height};
relativeWidth = width;
relativeHeight = height;
isImageAnIcon = true;
forceRedraw = true;
}
private boolean isImageAnIcon() {
return relativeSize != null;
}
public Bitmap getRoundedCroppedBitmap(Bitmap bitmap, int radius) {
public static Bitmap getRoundedCroppedBitmap(Context context, Bitmap bitmap, int radius) {
Bitmap finalBitmap;
if (bitmap.getWidth() != radius || bitmap.getHeight() != radius) {
finalBitmap = Bitmap.createScaledBitmap(bitmap, radius, radius, false);
@@ -117,7 +127,7 @@ public class RoundedImageView extends ImageView {
paint.setAntiAlias(true);
paint.setFilterBitmap(true);
paint.setDither(true);
paint.setColor(Utils.getColor(getContext(), R.color.roundedimagepaint));
paint.setColor(Utils.getColor(context, R.color.roundedimagepaint));
canvas.drawCircle(
finalBitmap.getWidth() / 2 + 0.7f,
finalBitmap.getHeight() / 2 + 0.7f,
@@ -133,10 +143,10 @@ public class RoundedImageView extends ImageView {
* Converts a {@link Drawable} to {@link Bitmap} A drawable can be drawn on a {@link Canvas} and a
* Canvas can be backed by a Bitmap. Hence the conversion
*/
public Bitmap drawableToBitmap(Drawable drawable) {
public static Bitmap drawableToBitmap(Drawable drawable) {
Bitmap bitmap;
if (!isImageAnIcon() && drawable instanceof BitmapDrawable) {
if (drawable instanceof BitmapDrawable) {
BitmapDrawable bitmapDrawable = (BitmapDrawable) drawable;
if (bitmapDrawable.getBitmap() != null) {
return bitmapDrawable.getBitmap();
@@ -162,26 +172,17 @@ public class RoundedImageView extends ImageView {
* Converts a {@link Drawable} to {@link Bitmap} A drawable can be drawn on a {@link Canvas} and a
* Canvas can be backed by a Bitmap. Hence the conversion
*/
public Bitmap drawableToBitmapRelative(Drawable drawable, float radius) {
Bitmap bitmap;
if (!isImageAnIcon() && drawable instanceof BitmapDrawable) {
BitmapDrawable bitmapDrawable = (BitmapDrawable) drawable;
if (bitmapDrawable.getBitmap() != null) {
return bitmapDrawable.getBitmap();
}
}
int sizeW = (int) (radius * relativeSize[0]);
int sizeH = (int) (radius * relativeSize[1]);
public static Bitmap drawableToBitmapRelative(
Drawable drawable, float radius, float relativeWidth, float relativeHeight) {
if (drawable.getIntrinsicWidth() <= 0 || drawable.getIntrinsicHeight() <= 0) {
throw new IllegalStateException(
"Solid colors cannot be represented as images! Use RoundedImageView.setBackgroundColor()");
} else {
bitmap = Bitmap.createBitmap(sizeW, sizeH, Bitmap.Config.ARGB_8888);
}
int sizeW = (int) (radius * relativeWidth);
int sizeH = (int) (radius * relativeHeight);
Bitmap bitmap = Bitmap.createBitmap(sizeW, sizeH, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
drawable.setBounds(0, 0, sizeW, sizeH);
drawable.draw(canvas);