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Wallpaper image selection and cropping.

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This commit is contained in:
Alan Evans
2021-01-20 17:01:34 -04:00
committed by Greyson Parrelli
parent b5712f4bd1
commit a8ad1e718e
22 changed files with 850 additions and 74 deletions
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29
app/src/main/java/org/thoughtcrime/securesms/scribbles/UriGlideRenderer.java
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@@ -41,13 +41,16 @@ import java.util.concurrent.ExecutionException;
*
* The image can be encrypted.
*/
final class UriGlideRenderer implements Renderer {
public final class UriGlideRenderer implements Renderer {
private static final String TAG = Log.tag(UriGlideRenderer.class);
private static final int PREVIEW_DIMENSION_LIMIT = 2048;
private static final int MAX_BLUR_DIMENSION = 300;
public static final float WEAK_BLUR = 3f;
public static final float STRONG_BLUR = 25f;
private final Uri imageUri;
private final Paint paint = new Paint();
private final Matrix imageProjectionMatrix = new Matrix();
@@ -56,16 +59,22 @@ final class UriGlideRenderer implements Renderer {
private final boolean decryptable;
private final int maxWidth;
private final int maxHeight;
private final float blurRadius;
@Nullable private Bitmap bitmap;
@Nullable private Bitmap blurredBitmap;
@Nullable private Paint blurPaint;
@Nullable private Bitmap bitmap;
@Nullable private Bitmap blurredBitmap;
@Nullable private Paint blurPaint;
UriGlideRenderer(@NonNull Uri imageUri, boolean decryptable, int maxWidth, int maxHeight) {
public UriGlideRenderer(@NonNull Uri imageUri, boolean decryptable, int maxWidth, int maxHeight) {
this(imageUri, decryptable, maxWidth, maxHeight, STRONG_BLUR);
}
public UriGlideRenderer(@NonNull Uri imageUri, boolean decryptable, int maxWidth, int maxHeight, float blurRadius) {
this.imageUri = imageUri;
this.decryptable = decryptable;
this.maxWidth = maxWidth;
this.maxHeight = maxHeight;
this.blurRadius = blurRadius;
paint.setAntiAlias(true);
paint.setFilterBitmap(true);
paint.setDither(true);
@@ -148,7 +157,7 @@ final class UriGlideRenderer implements Renderer {
blurPaint.setMaskFilter(null);
if (blurredBitmap == null) {
blurredBitmap = blur(bitmap, rendererContext.context);
blurredBitmap = blur(bitmap, rendererContext.context, blurRadius);
blurScaleMatrix.setRectToRect(new RectF(0, 0, blurredBitmap.getWidth(), blurredBitmap.getHeight()),
new RectF(0, 0, bitmap.getWidth(), bitmap.getHeight()),
@@ -235,7 +244,7 @@ final class UriGlideRenderer implements Renderer {
return matrix;
}
private static @NonNull Bitmap blur(Bitmap bitmap, Context context) {
private static @NonNull Bitmap blur(Bitmap bitmap, Context context, float blurRadius) {
Point previewSize = scaleKeepingAspectRatio(new Point(bitmap.getWidth(), bitmap.getHeight()), PREVIEW_DIMENSION_LIMIT);
Point blurSize = scaleKeepingAspectRatio(new Point(previewSize.x / 2, previewSize.y / 2 ), MAX_BLUR_DIMENSION);
Bitmap small = BitmapUtil.createScaledBitmap(bitmap, blurSize.x, blurSize.y);
@@ -247,7 +256,7 @@ final class UriGlideRenderer implements Renderer {
Allocation output = Allocation.createTyped(rs, input.getType());
ScriptIntrinsicBlur script = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
script.setRadius(25f);
script.setRadius(blurRadius);
script.setInput(input);
script.forEach(output);
@@ -283,7 +292,8 @@ final class UriGlideRenderer implements Renderer {
return new UriGlideRenderer(Uri.parse(in.readString()),
in.readInt() == 1,
in.readInt(),
in.readInt()
in.readInt(),
in.readFloat()
);
}
@@ -304,5 +314,6 @@ final class UriGlideRenderer implements Renderer {
dest.writeInt(decryptable ? 1 : 0);
dest.writeInt(maxWidth);
dest.writeInt(maxHeight);
dest.writeFloat(blurRadius);
}
}