本文整理汇总了Java中android.graphics.Bitmap.getHeight方法的典型用法代码示例。如果您正苦于以下问题:Java Bitmap.getHeight方法的具体用法?Java Bitmap.getHeight怎么用?Java Bitmap.getHeight使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.graphics.Bitmap
的用法示例。
在下文中一共展示了Bitmap.getHeight方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: decodeWithZxing
import android.graphics.Bitmap; //导入方法依赖的package包/类
public String decodeWithZxing(Bitmap bitmap) {
MultiFormatReader multiFormatReader = new MultiFormatReader();
multiFormatReader.setHints(changeZXingDecodeDataMode());
int width = bitmap.getWidth();
int height = bitmap.getHeight();
int[] pixels = new int[width * height];
bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
Result rawResult = null;
RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
if (source != null) {
BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(source));
try {
rawResult = multiFormatReader.decodeWithState(binaryBitmap);
} catch (ReaderException re) {
// continue
} finally {
multiFormatReader.reset();
}
}
return rawResult != null ? rawResult.getText() : null;
}
示例2: canUseForInBitmap
import android.graphics.Bitmap; //导入方法依赖的package包/类
/**
* @param candidate - Bitmap to check
* @param targetOptions - Options that have the out* value populated
* @return true if <code>candidate</code> can be used for inBitmap re-use with
* <code>targetOptions</code>
*/
@TargetApi(VERSION_CODES.KITKAT)
private static boolean canUseForInBitmap(
Bitmap candidate, BitmapFactory.Options targetOptions) {
//BEGIN_INCLUDE(can_use_for_inbitmap)
if (!Utils.hasKitKat()) {
// On earlier versions, the dimensions must match exactly and the inSampleSize must be 1
return candidate.getWidth() == targetOptions.outWidth
&& candidate.getHeight() == targetOptions.outHeight
&& targetOptions.inSampleSize == 1;
}
// From Android 4.4 (KitKat) onward we can re-use if the byte size of the new bitmap
// is smaller than the reusable bitmap candidate allocation byte count.
int width = targetOptions.outWidth / targetOptions.inSampleSize;
int height = targetOptions.outHeight / targetOptions.inSampleSize;
int byteCount = width * height * getBytesPerPixel(candidate.getConfig());
return byteCount <= candidate.getAllocationByteCount();
//END_INCLUDE(can_use_for_inbitmap)
}
示例3: circleCrop
import android.graphics.Bitmap; //导入方法依赖的package包/类
private static Bitmap circleCrop(BitmapPool pool, Bitmap source) {
if (source == null) return null;
int size = Math.min(source.getWidth(), source.getHeight());
int x = (source.getWidth() - size) / 2;
int y = (source.getHeight() - size) / 2;
// TODO this could be acquired from the pool too
Bitmap squared = Bitmap.createBitmap(source, x, y, size, size);
Bitmap result = pool.get(size, size, Bitmap.Config.ARGB_8888);
if (result == null) {
result = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
}
Canvas canvas = new Canvas(result);
Paint paint = new Paint();
paint.setShader(new BitmapShader(squared, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP));
paint.setAntiAlias(true);
float r = size / 2f;
canvas.drawCircle(r, r, r, paint);
return result;
}
示例4: toOvalBitmap
import android.graphics.Bitmap; //导入方法依赖的package包/类
/**
* Create a new bitmap that has all pixels beyond the oval shape transparent.
* Old bitmap is recycled.
*/
public static Bitmap toOvalBitmap(@NonNull Bitmap bitmap) {
int width = bitmap.getWidth();
int height = bitmap.getHeight();
Bitmap output = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(output);
int color = 0xff424242;
Paint paint = new Paint();
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
RectF rect = new RectF(0, 0, width, height);
canvas.drawOval(rect, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(bitmap, 0, 0, paint);
bitmap.recycle();
return output;
}
示例5: circleCrop
import android.graphics.Bitmap; //导入方法依赖的package包/类
private static Bitmap circleCrop(BitmapPool pool, Bitmap source) {
if (source == null) return null;
int size = Math.min(source.getWidth(), source.getHeight());
int x = (source.getWidth() - size) / 2;
int y = (source.getHeight() - size) / 2;
Bitmap squared = Bitmap.createBitmap(source, x, y, size, size);
Bitmap result = pool.get(size, size, Bitmap.Config.ARGB_8888);
if (result == null) {
result = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
}
Canvas canvas = new Canvas(result);
Paint paint = new Paint();
paint.setShader(new BitmapShader(squared, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP));
paint.setAntiAlias(true);
float r = size / 2.0f;
canvas.drawCircle(r, r, r, paint);
return result;
}
示例6: extractThumbnail
import android.graphics.Bitmap; //导入方法依赖的package包/类
public static Bitmap extractThumbnail(Bitmap source, int width, int height,
int options) {
if (source == null) {
return null;
}
float scale;
if (source.getWidth() < source.getHeight()) {
scale = width / (float) source.getWidth();
} else {
scale = height / (float) source.getHeight();
}
Matrix matrix = new Matrix();
matrix.setScale(scale, scale);
return transform(matrix, source, width, height,
OPTIONS_SCALE_UP | options);
}
示例7: getSquareBitmap
import android.graphics.Bitmap; //导入方法依赖的package包/类
/**
* Gets square bitmap.
*
* @param src the src
* @param rate the rate
* @return the square bitmap
*/
public static Bitmap getSquareBitmap(Bitmap src, float rate) {
if (src == null || src.isRecycled())
return null;
Bitmap ret = src;
int w = src.getWidth();
int h = src.getHeight();
int min = Math.min(w, h);
int max = Math.max(w, h);
float r = (float) (max - min) / (float) min;
if (w != h && r > rate) {
max = Math.round((1.0f + rate) * min);
if (w > h) {
ret = Bitmap.createBitmap(src, (w - max) / 2, 0, max, min);
} else {
ret = Bitmap.createBitmap(src, 0, (h - max) / 2, min, max);
}
}
return ret;
}
示例8: getBGRAImageByte
import android.graphics.Bitmap; //导入方法依赖的package包/类
/**
* Get the pixels by byte[] of Bitmap
* @param image
* @return pixels by byte[]
*/
public static int[] getBGRAImageByte(Bitmap image) {
int width = image.getWidth();
int height = image.getHeight();
if(image.getConfig().equals(Config.ARGB_8888)) {
int[] imgData = new int[width * height];
image.getPixels(imgData, 0, width, 0, 0, width, height);
return imgData;
// byte[] imgPixels = new byte[width * height];
// for (int i = 0; i < imgData.length; ++i) {
// int p = 0;
// //p += ((imgData[i] >> 24) & 0xFF);
// p += ((imgData[i] >> 16) & 0xFF);
// p += ((imgData[i] >> 8) & 0xFF);
// p += ((imgData[i] >> 0) & 0xFF);
// imgPixels[i] = (byte) (p/3);
// }
} else {
// TODO
}
return null;
}
示例9: transform
import android.graphics.Bitmap; //导入方法依赖的package包/类
@Override
public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
Bitmap source = resource.get();
int size = Math.min(source.getWidth(), source.getHeight());
mWidth = (source.getWidth() - size) / 2;
mHeight = (source.getHeight() - size) / 2;
Bitmap.Config config =
source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
Bitmap bitmap = mBitmapPool.get(mWidth, mHeight, config);
if (bitmap == null) {
bitmap = Bitmap.createBitmap(source, mWidth, mHeight, size, size);
}
return BitmapResource.obtain(bitmap, mBitmapPool);
}
示例10: getCroppedRoundBitmap
import android.graphics.Bitmap; //导入方法依赖的package包/类
public Bitmap getCroppedRoundBitmap(Bitmap bmp, int radius) {
Bitmap squareBitmap;
Bitmap scaledSrcBmp;
int diameter = radius * 2;
int bmpWidth = bmp.getWidth();
int bmpHeight = bmp.getHeight();
Bitmap bitmap;
int i;
if (bmpHeight > bmpWidth) {
bitmap = bmp;
i = (bmpHeight - bmpWidth) / 2;
squareBitmap = Bitmap.createBitmap(bitmap, 0, i, bmpWidth, bmpWidth);
} else if (bmpHeight < bmpWidth) {
int x = (bmpWidth - bmpHeight) / 2;
bitmap = bmp;
i = 0;
squareBitmap = Bitmap.createBitmap(bitmap, x, i, bmpHeight, bmpHeight);
} else {
squareBitmap = bmp;
}
if (squareBitmap.getWidth() == diameter && squareBitmap.getHeight() == diameter) {
scaledSrcBmp = squareBitmap;
} else {
scaledSrcBmp = Bitmap.createScaledBitmap(squareBitmap, diameter, diameter, true);
}
Bitmap output = Bitmap.createBitmap(scaledSrcBmp.getWidth(), scaledSrcBmp.getHeight(), Config.ARGB_8888);
Canvas canvas = new Canvas(output);
Paint paint = new Paint();
Rect rect = new Rect(0, 0, scaledSrcBmp.getWidth(), scaledSrcBmp.getHeight());
paint.setAntiAlias(true);
paint.setFilterBitmap(true);
paint.setDither(true);
canvas.drawARGB(0, 0, 0, 0);
canvas.drawCircle((float) (scaledSrcBmp.getWidth() / 2), (float) (scaledSrcBmp.getHeight() / 2), (float) (scaledSrcBmp.getWidth() / 2), paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(scaledSrcBmp, rect, rect, paint);
return output;
}
示例11: bitmap2grayByteArry
import android.graphics.Bitmap; //导入方法依赖的package包/类
public static byte[][] bitmap2grayByteArry(Bitmap bm) {
byte[][] grayImage = new byte[bm.getHeight()][bm.getWidth()];
for (int i = 0; i < bm.getWidth(); i++) {
for (int j = 0; j < bm.getHeight(); j++) {
if (bm.getPixel(i, j) == Color.WHITE) {
grayImage[j][i] = 0;
} else {
grayImage[j][i] = 1;
}
}
}
return grayImage;
}
示例12: getScaledDownBitmap
import android.graphics.Bitmap; //导入方法依赖的package包/类
/**
* @param bitmap the Bitmap to be scaled
* @param threshold the maxium dimension (either width or height) of the scaled bitmap
* @param isNecessaryToKeepOrig is it necessary to keep the original bitmap? If not recycle the original bitmap to prevent memory leak.
*/
public static Bitmap getScaledDownBitmap(Bitmap bitmap, int threshold, boolean isNecessaryToKeepOrig) {
int width = bitmap.getWidth();
int height = bitmap.getHeight();
int newWidth = width;
int newHeight = height;
if (width > height && width > threshold) {
newWidth = threshold;
newHeight = (int) (height * (float) newWidth / width);
}
if (width > height && width <= threshold) {
//the bitmap is already smaller than our required dimension, no need to resize it
return bitmap;
}
if (width < height && height > threshold) {
newHeight = threshold;
newWidth = (int) (width * (float) newHeight / height);
}
if (width < height && height <= threshold) {
//the bitmap is already smaller than our required dimension, no need to resize it
return bitmap;
}
if (width == height && width > threshold) {
newWidth = threshold;
newHeight = newWidth;
}
if (width == height && width <= threshold) {
//the bitmap is already smaller than our required dimension, no need to resize it
return bitmap;
}
return getResizedBitmap(bitmap, newWidth, newHeight, isNecessaryToKeepOrig);
}
示例13: display
import android.graphics.Bitmap; //导入方法依赖的package包/类
@Override
public void display(Bitmap bitmap, ImageAware imageAware, LoadedFrom loadedFrom) {
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_4444);
Canvas canvas = new Canvas(output);
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
//--CROP THE IMAGE
canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getWidth() / 2 - 1, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
//--ADD BORDER IF NEEDED
if(this.borderWidth > 0){
final Paint paint2 = new Paint();
paint2.setAntiAlias(true);
paint2.setColor(this.borderColor);
paint2.setStrokeWidth(this.borderWidth);
paint2.setStyle(Paint.Style.STROKE);
canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, (float) (bitmap.getWidth() / 2 - Math.ceil(this.borderWidth / 2)), paint2);
}
imageAware.setImageBitmap(output);
}
示例14: transform
import android.graphics.Bitmap; //导入方法依赖的package包/类
@Override
public Bitmap transform(Bitmap source) {
int size = Math.min(source.getWidth(), source.getHeight());
int x = (source.getWidth() - size) / 2;
int y = (source.getHeight() - size) / 2;
Bitmap result = Bitmap.createBitmap(source, x, y, size, size);
if (result != source) {
//回收
source.recycle();
}
return result;
}
示例15: assertHasOriginalAspectRatio
import android.graphics.Bitmap; //导入方法依赖的package包/类
private static void assertHasOriginalAspectRatio(Bitmap original, Bitmap transformed) {
double originalAspectRatio = (double) original.getWidth() / (double) original.getHeight();
double transformedAspectRatio =
(double) transformed.getWidth() / (double) transformed.getHeight();
assertThat(transformedAspectRatio)
.isIn(Range.open(originalAspectRatio - 0.05f, originalAspectRatio + 0.05f));
}