use of android.graphics.Canvas in project glide by bumptech.
the class TransformationUtils method applyMatrix.
private static void applyMatrix(@NonNull Bitmap inBitmap, @NonNull Bitmap targetBitmap, Matrix matrix) {
BITMAP_DRAWABLE_LOCK.lock();
try {
Canvas canvas = new Canvas(targetBitmap);
canvas.drawBitmap(inBitmap, matrix, DEFAULT_PAINT);
clear(canvas);
} finally {
BITMAP_DRAWABLE_LOCK.unlock();
}
}
use of android.graphics.Canvas in project platform_frameworks_base by android.
the class TextViewPerformanceTest method setUp.
@Override
protected void setUp() throws Exception {
super.setUp();
Bitmap mBitmap = Bitmap.createBitmap(320, 240, Bitmap.Config.RGB_565);
mCanvas = new Canvas(mBitmap);
ViewGroup.LayoutParams p = new ViewGroup.LayoutParams(320, 240);
mLabelView = new PerformanceLabelView(mContext);
mLabelView.setText(mString);
mLabelView.measure(View.MeasureSpec.AT_MOST | 320, View.MeasureSpec.AT_MOST | 240);
mLabelView.mySetFrame(320, 240);
mLabelView.setLayoutParams(p);
mLabelView.myDraw(mCanvas);
mPaint = new Paint();
mCanvas.save();
mTextView = new PerformanceTextView(mContext);
mTextView.setLayoutParams(p);
mTextView.setText(mString);
mTextView.mySetFrame(320, 240);
mTextView.measure(View.MeasureSpec.AT_MOST | 320, View.MeasureSpec.AT_MOST | 240);
}
use of android.graphics.Canvas in project platform_frameworks_base by android.
the class IconTest method testWithBitmap.
@SmallTest
public void testWithBitmap() throws Exception {
final Bitmap bm1 = Bitmap.createBitmap(100, 200, Bitmap.Config.ARGB_8888);
final Bitmap bm2 = Bitmap.createBitmap(100, 200, Bitmap.Config.RGB_565);
final Bitmap bm3 = ((BitmapDrawable) getContext().getDrawable(R.drawable.landscape)).getBitmap();
final Canvas can1 = new Canvas(bm1);
can1.drawColor(0xFFFF0000);
final Canvas can2 = new Canvas(bm2);
can2.drawColor(0xFF00FF00);
final Icon im1 = Icon.createWithBitmap(bm1);
final Icon im2 = Icon.createWithBitmap(bm2);
final Icon im3 = Icon.createWithBitmap(bm3);
final Drawable draw1 = im1.loadDrawable(mContext);
final Drawable draw2 = im2.loadDrawable(mContext);
final Drawable draw3 = im3.loadDrawable(mContext);
final Bitmap test1 = Bitmap.createBitmap(draw1.getIntrinsicWidth(), draw1.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
final Bitmap test2 = Bitmap.createBitmap(draw2.getIntrinsicWidth(), draw2.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
final Bitmap test3 = Bitmap.createBitmap(draw3.getIntrinsicWidth(), draw3.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
draw1.setBounds(0, 0, draw1.getIntrinsicWidth(), draw1.getIntrinsicHeight());
draw1.draw(new Canvas(test1));
draw2.setBounds(0, 0, draw2.getIntrinsicWidth(), draw2.getIntrinsicHeight());
draw2.draw(new Canvas(test2));
draw3.setBounds(0, 0, draw3.getIntrinsicWidth(), draw3.getIntrinsicHeight());
draw3.draw(new Canvas(test3));
final File dir = getContext().getExternalFilesDir(null);
L("writing temp bitmaps to %s...", dir);
bm1.compress(Bitmap.CompressFormat.PNG, 100, new FileOutputStream(new File(dir, "bitmap1-original.png")));
test1.compress(Bitmap.CompressFormat.PNG, 100, new FileOutputStream(new File(dir, "bitmap1-test.png")));
if (!equalBitmaps(bm1, test1)) {
findBitmapDifferences(bm1, test1);
fail("bitmap1 differs, check " + dir);
}
bm2.compress(Bitmap.CompressFormat.PNG, 100, new FileOutputStream(new File(dir, "bitmap2-original.png")));
test2.compress(Bitmap.CompressFormat.PNG, 100, new FileOutputStream(new File(dir, "bitmap2-test.png")));
if (!equalBitmaps(bm2, test2)) {
findBitmapDifferences(bm2, test2);
fail("bitmap2 differs, check " + dir);
}
bm3.compress(Bitmap.CompressFormat.PNG, 100, new FileOutputStream(new File(dir, "bitmap3-original.png")));
test3.compress(Bitmap.CompressFormat.PNG, 100, new FileOutputStream(new File(dir, "bitmap3-test.png")));
if (!equalBitmaps(bm3, test3)) {
findBitmapDifferences(bm3, test3);
fail("bitmap3 differs, check " + dir);
}
}
use of android.graphics.Canvas in project platform_frameworks_base by android.
the class IconTest method testWithBitmapResource.
@SmallTest
public void testWithBitmapResource() throws Exception {
final Bitmap res1 = ((BitmapDrawable) getContext().getDrawable(R.drawable.landscape)).getBitmap();
final Icon im1 = Icon.createWithResource(getContext(), R.drawable.landscape);
final Drawable draw1 = im1.loadDrawable(mContext);
final Bitmap test1 = Bitmap.createBitmap(draw1.getIntrinsicWidth(), draw1.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
draw1.setBounds(0, 0, test1.getWidth(), test1.getHeight());
draw1.draw(new Canvas(test1));
final File dir = getContext().getExternalFilesDir(null);
res1.compress(Bitmap.CompressFormat.PNG, 100, new FileOutputStream(new File(dir, "res1-original.png")));
test1.compress(Bitmap.CompressFormat.PNG, 100, new FileOutputStream(new File(dir, "res1-test.png")));
if (!equalBitmaps(res1, test1)) {
findBitmapDifferences(res1, test1);
fail("res1 differs, check " + dir);
}
}
use of android.graphics.Canvas in project platform_frameworks_base by android.
the class IconTest method testParcel.
@SmallTest
public void testParcel() throws Exception {
final Bitmap originalbits = ((BitmapDrawable) getContext().getDrawable(R.drawable.landscape)).getBitmap();
final ByteArrayOutputStream ostream = new ByteArrayOutputStream(// guess 50% compression
originalbits.getWidth() * originalbits.getHeight() * 2);
originalbits.compress(Bitmap.CompressFormat.PNG, 100, ostream);
final byte[] pngdata = ostream.toByteArray();
L("starting testParcel; bitmap: %d bytes, PNG: %d bytes", originalbits.getByteCount(), pngdata.length);
final File dir = getContext().getExternalFilesDir(null);
final File originalfile = new File(dir, "parcel-original.png");
new FileOutputStream(originalfile).write(pngdata);
ArrayList<Icon> imgs = new ArrayList<>();
final Icon file1 = Icon.createWithFilePath(originalfile.getAbsolutePath());
imgs.add(file1);
final Icon bit1 = Icon.createWithBitmap(originalbits);
imgs.add(bit1);
final Icon data1 = Icon.createWithData(pngdata, 0, pngdata.length);
imgs.add(data1);
final Icon res1 = Icon.createWithResource(getContext(), R.drawable.landscape);
imgs.add(res1);
ArrayList<Icon> test = new ArrayList<>();
final Parcel parcel = Parcel.obtain();
int pos = 0;
parcel.writeInt(imgs.size());
for (Icon img : imgs) {
img.writeToParcel(parcel, 0);
L("used %d bytes parceling: %s", parcel.dataPosition() - pos, img);
pos = parcel.dataPosition();
}
// rewind
parcel.setDataPosition(0);
final int N = parcel.readInt();
for (int i = 0; i < N; i++) {
Icon img = Icon.CREATOR.createFromParcel(parcel);
L("test %d: read from parcel: %s", i, img);
final File testfile = new File(dir, String.format("parcel-test%02d.png", i));
final Drawable draw1 = img.loadDrawable(mContext);
if (draw1 == null) {
fail("null drawable from img: " + img);
}
final Bitmap test1 = Bitmap.createBitmap(draw1.getIntrinsicWidth(), draw1.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
draw1.setBounds(0, 0, test1.getWidth(), test1.getHeight());
draw1.draw(new Canvas(test1));
try {
test1.compress(Bitmap.CompressFormat.PNG, 100, new FileOutputStream(testfile));
} catch (java.io.FileNotFoundException ex) {
fail("couldn't create test file " + testfile + ": " + ex);
}
if (!equalBitmaps(originalbits, test1)) {
findBitmapDifferences(originalbits, test1);
fail(testfile + " differs from original: " + originalfile);
}
}
}
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