private Bitmap drawTextToBitmap(String gText) {
Bitmap bitmap = Bitmap.createBitmap(500, 500, Bitmap.Config.ARGB_8888);
bitmap.eraseColor(Color.TRANSPARENT);
bitmap.setHasAlpha(true);
// bitmap.setHasAlpha(true);
Canvas canvas = new Canvas(bitmap);
canvas.drawColor(Color.TRANSPARENT);
TextPaint textPaint = new TextPaint();
textPaint.setColor(Color.GREEN);
textPaint.setTextSize(35);
RectF rect = new RectF(0, 0, 300, 300);
StaticLayout sl =
new StaticLayout(
gText, textPaint, (int) rect.width(), Layout.Alignment.ALIGN_NORMAL, 1, 1, false);
canvas.save();
sl.draw(canvas);
canvas.restore();
// Flip the image.
Matrix m = new Matrix();
m.preScale(-1, 1);
Bitmap output =
Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, false);
output.setDensity(DisplayMetrics.DENSITY_DEFAULT);
return output;
}
@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
@Override
public synchronized Bitmap getDirty(int width, int height, Bitmap.Config config) {
// Config will be null for non public config types, which can lead to transformations naively
// passing in
// null as the requested config here. See issue #194.
final Bitmap result = strategy.get(width, height, config != null ? config : DEFAULT_CONFIG);
if (result == null) {
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log.d(TAG, "Missing bitmap=" + strategy.logBitmap(width, height, config));
}
misses++;
} else {
hits++;
currentSize -= strategy.getSize(result);
tracker.remove(result);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {
result.setHasAlpha(true);
}
}
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log.v(TAG, "Get bitmap=" + strategy.logBitmap(width, height, config));
}
dump();
return result;
}
@Test
public void testCenterCropSetsOutBitmapToHaveAlphaIfInBitmapHasAlphaAndOutBitmapIsReused() {
Bitmap toTransform = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
Bitmap toReuse = Bitmap.createBitmap(50, 50, Bitmap.Config.ARGB_8888);
reset(bitmapPool);
when(bitmapPool.get(eq(50), eq(50), eq(Bitmap.Config.ARGB_8888))).thenReturn(toReuse);
toReuse.setHasAlpha(false);
toTransform.setHasAlpha(true);
Bitmap result =
TransformationUtils.centerCrop(
bitmapPool, toTransform, toReuse.getWidth(), toReuse.getHeight());
assertEquals(toReuse, result);
assertTrue(result.hasAlpha());
}
/** Takes a screenshot of the current display and shows an animation. */
void takeScreenshot(Runnable finisher, boolean statusBarVisible, boolean navBarVisible) {
// We need to orient the screenshot correctly (and the Surface api seems to take screenshots
// only in the natural orientation of the device :!)
mDisplay.getRealMetrics(mDisplayMetrics);
float[] dims = {mDisplayMetrics.widthPixels, mDisplayMetrics.heightPixels};
// float degrees = getDegreesForRotation(mDisplay.getRotation());
int value = mDisplay.getRotation();
String hwRotation = SystemProperties.get("ro.sf.hwrotation", "0");
if (hwRotation.equals("270") || hwRotation.equals("90")) {
value = (value + 3) % 4;
}
float degrees = getDegreesForRotation(value);
boolean requiresRotation = (degrees > 0);
if (requiresRotation) {
// Get the dimensions of the device in its native orientation
mDisplayMatrix.reset();
mDisplayMatrix.preRotate(-degrees);
mDisplayMatrix.mapPoints(dims);
dims[0] = Math.abs(dims[0]);
dims[1] = Math.abs(dims[1]);
}
// Take the screenshot
mScreenBitmap = Surface.screenshot((int) dims[0], (int) dims[1]);
if (mScreenBitmap == null) {
notifyScreenshotError(mContext, mNotificationManager);
finisher.run();
return;
}
if (requiresRotation) {
// Rotate the screenshot to the current orientation
Bitmap ss =
Bitmap.createBitmap(
mDisplayMetrics.widthPixels, mDisplayMetrics.heightPixels, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(ss);
c.translate(ss.getWidth() / 2, ss.getHeight() / 2);
c.rotate(degrees);
c.translate(-dims[0] / 2, -dims[1] / 2);
c.drawBitmap(mScreenBitmap, 0, 0, null);
c.setBitmap(null);
mScreenBitmap = ss;
}
// Optimizations
mScreenBitmap.setHasAlpha(false);
mScreenBitmap.prepareToDraw();
// Start the post-screenshot animation
startAnimation(
finisher,
mDisplayMetrics.widthPixels,
mDisplayMetrics.heightPixels,
statusBarVisible,
navBarVisible);
}
@Test
public void testFitCenterSetsOutBitmapToNotHaveAlphaIfInBitmapDoesNotHaveAlpha() {
Bitmap toTransform = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
toTransform.setHasAlpha(false);
Bitmap result =
TransformationUtils.fitCenter(
bitmapPool, toTransform, toTransform.getWidth() / 2, toTransform.getHeight() / 2);
assertFalse(result.hasAlpha());
}
@Test
public void testCenterCropSetsOutBitmapToHaveAlphaIfInBitmapHasAlpha() {
Bitmap toTransform = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
toTransform.setHasAlpha(true);
Bitmap result =
TransformationUtils.centerCrop(
bitmapPool, toTransform, toTransform.getWidth() / 2, toTransform.getHeight() / 2);
assertTrue(result.hasAlpha());
}
@Override
public void process(Bitmap output, Bitmap source) {
output.setHasAlpha(true);
if (mBorderRadius < 0.01f) {
super.process(output, source);
return;
}
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setShader(new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
Canvas canvas = new Canvas(output);
float radius = getRadius(source);
canvas.drawRoundRect(
new RectF(0, 0, source.getWidth(), source.getHeight()), radius, radius, paint);
}
// Rotates the bitmap by the specified degree.
// If a new bitmap is created, the original bitmap is recycled.
public static Bitmap rotate(Bitmap b, int degrees) {
if (degrees != 0 && b != null) {
Matrix m = new Matrix();
m.setRotate(degrees, (float) b.getWidth() / 2, (float) b.getHeight() / 2);
try {
b.setHasAlpha(true);
Bitmap b2 = Bitmap.createBitmap(b, 0, 0, b.getWidth(), b.getHeight(), m, true);
if (b != b2) {
b.recycle();
b = b2;
}
} catch (OutOfMemoryError ex) {
// We have no memory to rotate. Return the original bitmap.
}
}
return b;
}
public JSONObject verify(ImageView mImageViewFingerprint, String prints) {
JSONObject res = new JSONObject();
try {
// Init Device
long openError = sgfpLib.OpenDevice(0);
debugMessage("Open Device Response: " + openError);
// Get Device Info
SGDeviceInfoParam deviceInfo = getDeviceInfo();
mImageWidth = deviceInfo.imageWidth;
mImageHeight = deviceInfo.imageHeight;
// Initialize Bitmap Image
grayBuffer =
new int[JSGFPLib.MAX_IMAGE_WIDTH_ALL_DEVICES * JSGFPLib.MAX_IMAGE_HEIGHT_ALL_DEVICES];
for (int i = 0; i < grayBuffer.length; ++i) grayBuffer[i] = android.graphics.Color.GRAY;
grayBitmap =
Bitmap.createBitmap(
JSGFPLib.MAX_IMAGE_WIDTH_ALL_DEVICES,
JSGFPLib.MAX_IMAGE_HEIGHT_ALL_DEVICES,
Bitmap.Config.ARGB_8888);
grayBitmap.setPixels(
grayBuffer,
0,
JSGFPLib.MAX_IMAGE_WIDTH_ALL_DEVICES,
0,
0,
JSGFPLib.MAX_IMAGE_WIDTH_ALL_DEVICES,
JSGFPLib.MAX_IMAGE_HEIGHT_ALL_DEVICES);
mImageViewFingerprint.setImageBitmap(grayBitmap);
if (mVerifyImage != null) {
mVerifyImage = null;
}
// Capture Print
mMaxTemplateSize = new int[1];
sgfpLib.SetTemplateFormat(SGFDxTemplateFormat.TEMPLATE_FORMAT_SG400);
sgfpLib.GetMaxTemplateSize(mMaxTemplateSize);
long dwTimeStart = 0, dwTimeEnd = 0, dwTimeElapsed = 0;
debugMessage("Clicked REGISTER\n");
mVerifyTemplate = new byte[mMaxTemplateSize[0]];
mVerifyImage = new byte[mImageWidth * mImageHeight];
ByteBuffer byteBuf = ByteBuffer.allocate(mImageWidth * mImageHeight);
dwTimeStart = System.currentTimeMillis();
long result = sgfpLib.GetImage(mVerifyImage);
dwTimeEnd = System.currentTimeMillis();
dwTimeElapsed = dwTimeEnd - dwTimeStart;
debugMessage("GetImage() ret: " + result + "[" + dwTimeElapsed + " ms]\n");
Bitmap b = Bitmap.createBitmap(mImageWidth, mImageHeight, Bitmap.Config.ARGB_8888);
b.setHasAlpha(false);
byteBuf.put(mVerifyImage);
int[] intbuffer = new int[mImageWidth * mImageHeight];
for (int i = 0; i < intbuffer.length; i++) {
intbuffer[i] = (int) mVerifyImage[i];
}
b.setPixels(intbuffer, 0, mImageWidth, 0, 0, mImageWidth, mImageHeight);
mImageViewFingerprint.setImageBitmap(this.toGrayScale(b));
// String printImage = encodeImage(mRegisterImage);
String printImage = processPicture(this.toGrayScale(b));
// Get Image Quality
double iq = 0.0;
int img_quality[] = new int[1];
long q_res = sgfpLib.GetImageQuality(mImageWidth, mImageHeight, mVerifyImage, img_quality);
if (q_res == SGFDxErrorCode.SGFDX_ERROR_NONE) {
iq = img_quality[0];
// txtImageQuality.setText("" + iq);
System.err.println(TAG + "Image Quality: " + iq);
} else {
System.err.println(TAG + "Unable To Get Image Quality");
}
// Generate Template
dwTimeStart = System.currentTimeMillis();
result = sgfpLib.SetTemplateFormat(SGFDxTemplateFormat.TEMPLATE_FORMAT_SG400);
dwTimeEnd = System.currentTimeMillis();
dwTimeElapsed = dwTimeEnd - dwTimeStart;
debugMessage("SetTemplateFormat(SG400) ret: " + result + " [" + dwTimeElapsed + " ms]\n");
SGFingerInfo fpInfo = new SGFingerInfo();
for (int i = 0; i < mVerifyTemplate.length; i++) {
mVerifyTemplate[i] = 0;
}
dwTimeStart = System.currentTimeMillis();
result = sgfpLib.CreateTemplate(fpInfo, mVerifyImage, mVerifyTemplate);
dwTimeEnd = System.currentTimeMillis();
dwTimeElapsed = dwTimeEnd - dwTimeStart;
// debugMessage("Finger Print Template: " + printImage);
debugMessage("CreateTemplate() ret: " + result + " [" + dwTimeElapsed + " ms]\n");
// Match Template
for (int i = 0; i < mVerifyTemplate.length; ++i) mVerifyTemplate[i] = 0;
dwTimeStart = System.currentTimeMillis();
result = sgfpLib.CreateTemplate(fpInfo, mVerifyImage, mVerifyTemplate);
// DumpFile("verify.min", mVerifyTemplate);
dwTimeEnd = System.currentTimeMillis();
dwTimeElapsed = dwTimeEnd - dwTimeStart;
debugMessage("CreateTemplate() ret:" + result + " [" + dwTimeElapsed + "ms]\n");
boolean[] matched = new boolean[1];
dwTimeStart = System.currentTimeMillis();
JSONArray serverPrints = new JSONArray(prints);
boolean verified = false;
for (int i = 0; i < serverPrints.length(); i++) {
byte[] print =
android.util.Base64.decode(serverPrints.getString(i), android.util.Base64.NO_WRAP);
result =
sgfpLib.MatchTemplate(print, mVerifyTemplate, SGFDxSecurityLevel.SL_NORMAL, matched);
if (matched[0]) {
verified = true;
}
}
dwTimeEnd = System.currentTimeMillis();
dwTimeElapsed = dwTimeEnd - dwTimeStart;
debugMessage("MatchTemplate() ret:" + result + " [" + dwTimeElapsed + "ms]\n");
if (verified) {
Toast.makeText(context, "Authorized", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(context, "Not Authorized", Toast.LENGTH_LONG).show();
}
sgfpLib.CloseDevice();
res.put("response_code", "1");
res.put("printImage", printImage);
// res.put("template",android.util.Base64.encodeToString(mRegisterTemplate,
// android.util.Base64.NO_WRAP));
res.put("imageQuality", iq);
res.put("mImageWidth", mImageWidth);
res.put("mImageHeight", mImageHeight);
return res;
} catch (Exception e) {
debugMessage("Error: " + e.getMessage());
try {
res.put("error", e.getMessage());
} catch (JSONException je) {
debugMessage(TAG + " " + je.getMessage());
}
return res;
}
}
