public static Bitmap screenshot(View view, boolean hasstatubar) {
if (view == null) {
return null;
}
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap cachebmp = view.getDrawingCache();
Rect rect = new Rect();
view.getWindowVisibleDisplayFrame(rect);
int statusBarHeights = rect.top;
DisplayMetrics m = view.getResources().getDisplayMetrics();
// 获取屏幕宽和高
int widths = m.widthPixels;
int heights = m.heightPixels;
Bitmap bmp = null;
if (cachebmp != null) {
if (hasstatubar) {
bmp = Bitmap.createBitmap(cachebmp, 0, 0, widths, heights);
} else {
bmp =
Bitmap.createBitmap(cachebmp, 0, statusBarHeights, widths, heights - statusBarHeights);
}
}
view.destroyDrawingCache();
return bmp;
}
/** Reads Logical Screen Descriptor */
protected void readLSD() {
// logical screen size
width = readShort();
height = readShort();
// packed fields
final int packed = read();
gctFlag = (packed & 0x80) != 0; // 1 : global color table flag
// 2-4 : color resolution
// 5 : gct sort flag
gctSize = 2 << (packed & 7); // 6-8 : gct size
bgIndex = read(); // background color index
pixelAspect = read(); // pixel aspect ratio
// Now that we know the size, init scratch arrays
try {
mainPixels = new byte[width * height];
mainScratch = new int[width * height];
copyScratch = new int[width * height];
previousImage = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_4444);
currentImage = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_4444);
} catch (final OutOfMemoryError e) {
// Try with halving down the bitmap size
final int dimension = (width * height) / 2;
mainPixels = new byte[dimension];
mainScratch = new int[dimension];
copyScratch = new int[dimension];
previousImage = Bitmap.createBitmap(width / 2, height / 2, Bitmap.Config.ARGB_4444);
currentImage = Bitmap.createBitmap(width / 2, height / 2, Bitmap.Config.ARGB_4444);
}
}
@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 squaredBitmap = Bitmap.createBitmap(source, x, y, size, size);
if (squaredBitmap != source) {
source.recycle();
}
if (source.getConfig() == null) {
return source;
}
Bitmap bitmap = Bitmap.createBitmap(size, size, source.getConfig());
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
BitmapShader shader =
new BitmapShader(squaredBitmap, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP);
paint.setShader(shader);
paint.setAntiAlias(true);
float r = size / 2f;
canvas.drawCircle(r, r, r, paint);
squaredBitmap.recycle();
return bitmap;
}
Bitmap drawEye() {
Paint paint_eyebg = new Paint();
paint_eyebg.setColor(Color.parseColor("#EDEDED"));
Paint paint_eyerim = new Paint();
paint_eyerim.setColor(Color.parseColor("#F2E16C"));
Paint paint_eyeinside = new Paint();
paint_eyeinside.setColor(Color.parseColor("#FFFFFF"));
Paint paint_red = new Paint();
paint_red.setColor(Color.parseColor("#FFE342"));
Paint paint_black = new Paint();
paint_black.setColor(Color.parseColor("#000000"));
Bitmap bg = Bitmap.createBitmap(480, 800, Bitmap.Config.ARGB_8888);
Canvas canvas_eye = new Canvas(bg);
Bitmap bg_eyeinside =
Bitmap.createBitmap(bg.getWidth(), bg.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas_bg_inside = new Canvas(bg_eyeinside);
canvas_bg_inside.drawOval(new RectF(240, 200, 300, 280), paint_red);
canvas_bg_inside.drawBitmap(bg_eyeinside, 0, 0, null);
canvas_eye.drawCircle(230, 200, 60, paint_eyebg);
canvas_eye.drawCircle(230, 200, 50, paint_eyebg);
canvas_eye.drawBitmap(bg_eyeinside, -40, -40, null);
canvas_eye.drawCircle(230, 200, 35, paint_eyeinside);
canvas_eye.drawCircle(220, 200, 20, paint_black);
canvas_eye.drawCircle(220, 200, 2, paint_eyebg);
return bg;
}
@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 squaredBitmap = Bitmap.createBitmap(source, x, y, size, size);
if (squaredBitmap != source) {
source.recycle();
}
Bitmap bitmap = Bitmap.createBitmap(size, size, source.getConfig());
Canvas canvas = new Canvas(bitmap);
Paint avatarPaint = new Paint();
BitmapShader shader =
new BitmapShader(squaredBitmap, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP);
avatarPaint.setShader(shader);
Paint outlinePaint = new Paint();
outlinePaint.setColor(Color.WHITE);
outlinePaint.setStyle(Paint.Style.STROKE);
outlinePaint.setStrokeWidth(STROKE_WIDTH);
outlinePaint.setAntiAlias(true);
float r = size / 2f;
canvas.drawCircle(r, r, r, avatarPaint);
canvas.drawCircle(r, r, r - STROKE_WIDTH / 2, outlinePaint);
squaredBitmap.recycle();
return bitmap;
}
public Bitmap getReflectedBitmap(Bitmap bitmap) {
// LogUtil.i("chenxu", "bitmap's width:"+bitmap.getWidth()+" height:"+bitmap.getHeight()+"
// totalHeight:"+height);
Bitmap scaledBitmap = Bitmap.createScaledBitmap(bitmap, itemWidth, height * 2 / 3, true);
Bitmap resultBitmap = Bitmap.createBitmap(itemWidth, height, Config.ARGB_8888);
Canvas canvas = new Canvas(resultBitmap);
canvas.drawBitmap(scaledBitmap, null, new Rect(0, 0, itemWidth, height * 2 / 3), null);
Paint paint = new Paint();
paint.setAntiAlias(true);
LinearGradient shader =
new LinearGradient(0, height * 2 / 3, 0, height, 0x88ffffff, 0xffffffff, TileMode.CLAMP);
paint.setShader(shader);
paint.setAlpha(180);
Matrix matrix = new Matrix();
matrix.postScale(1, -1);
Bitmap reflectionBitmap =
Bitmap.createBitmap(
scaledBitmap,
0,
height * 2 / 3 * 2 / 3,
itemWidth,
height * 2 / 3 * 1 / 3,
matrix,
true);
canvas.drawBitmap(reflectionBitmap, 0, height * 2 / 3, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));
Rect r = new Rect(0, height * 2 / 3, 0, height);
canvas.drawRect(r, paint);
return resultBitmap;
}
@Override
public Bitmap transform(Bitmap bitmap) {
if (null == bitmap) return null;
PaintFlagsDrawFilter fliter =
new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
int w = bitmap.getWidth();
int h = bitmap.getHeight();
if (w <= 0 || h <= 0) {
return null;
}
int r = (w < h ? w : h) / 2;
Bitmap circle = Bitmap.createBitmap(2 * r, 2 * r, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(circle);
canvas.setDrawFilter(fliter);
Paint p = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
p.setColor(Color.RED);
canvas.drawCircle(r, r, r, p);
p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));
// 生成结果图片
Bitmap out = Bitmap.createBitmap(2 * r, 2 * r, Bitmap.Config.ARGB_8888);
Canvas outCan = new Canvas(out);
outCan.setDrawFilter(fliter);
outCan.drawBitmap(bitmap, 0, 0, null);
outCan.drawBitmap(circle, 0, 0, p);
circle.recycle();
bitmap.recycle();
return out;
}
public static Bitmap createReflectedImage(Bitmap bitmap, int i) {
int j = bitmap.getWidth();
int k = bitmap.getHeight();
Bitmap bitmap2;
if (k <= i) {
bitmap2 = null;
} else {
Matrix matrix = new Matrix();
matrix.preScale(1.0F, -1F);
Bitmap bitmap1 = Bitmap.createBitmap(bitmap, 0, k - i, j, i, matrix, true);
bitmap2 = Bitmap.createBitmap(j, i, android.graphics.Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap2);
canvas.drawBitmap(bitmap1, 0.0F, 0.0F, null);
LinearGradient lineargradient =
new LinearGradient(
0.0F,
0.0F,
0.0F,
bitmap2.getHeight(),
-2130706433,
16777215,
android.graphics.Shader.TileMode.CLAMP);
Paint paint = new Paint();
paint.setShader(lineargradient);
paint.setXfermode(new PorterDuffXfermode(android.graphics.PorterDuff.Mode.DST_IN));
canvas.drawRect(0.0F, 0.0F, j, bitmap2.getHeight(), paint);
}
return bitmap2;
}
private byte[] rotateImage(
byte[] cameraData, final int imageWidth, final int imageHeight, int currentCameraId) {
Bitmap landscapeCameraDataBitmap =
BitmapFactory.decodeByteArray(cameraData, 0, cameraData.length);
Bitmap portraitBitmap = null;
if (currentCameraId == getCameraId(Camera.CameraInfo.CAMERA_FACING_FRONT)) { // front camera
portraitBitmap =
Bitmap.createBitmap(
landscapeCameraDataBitmap, 0, 0, imageWidth, imageHeight, rotationMatrixFront, true);
} else { // back camera
portraitBitmap =
Bitmap.createBitmap(
landscapeCameraDataBitmap, 0, 0, imageWidth, imageHeight, rotationMatrixBack, true);
}
landscapeCameraDataBitmap.recycle();
ByteArrayOutputStream stream = new ByteArrayOutputStream();
if (!portraitBitmap.isRecycled()) {
portraitBitmap.compress(Bitmap.CompressFormat.JPEG, IMAGE_QUALITY, stream);
byte[] portraitCameraData = stream.toByteArray();
portraitBitmap.recycle();
return portraitCameraData;
} else {
return new byte[0];
}
}
public static Bitmap createBitmapOnHeight(Bitmap bitmap, int height, float degrees) {
if (bitmap == null) return null;
float ratio = 0;
if (degrees == 90 || degrees == 270) {
ratio = (float) height / bitmap.getWidth();
} else {
ratio = (float) height / bitmap.getHeight();
}
Matrix matrix = new Matrix();
matrix.postScale(ratio, ratio);
Bitmap bm_scale =
Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, false);
bitmap.recycle();
Bitmap bm_degress = null;
if (degrees == 0) {
bm_degress = bm_scale;
} else {
matrix.setRotate(degrees);
bm_degress =
Bitmap.createBitmap(
bm_scale, 0, 0, bm_scale.getWidth(), bm_scale.getHeight(), matrix, false);
bm_scale.recycle();
}
return bm_degress;
}
public static Bitmap decodeBitmapFromDrawable(
Drawable drawable, final int width, final int height) {
if (drawable == null) {
return null;
}
if (drawable instanceof BitmapDrawable) {
return ((BitmapDrawable) drawable).getBitmap();
}
try {
Bitmap bitmap;
if (drawable instanceof ColorDrawable) {
bitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888);
} else {
bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
}
Canvas canvas = new Canvas(bitmap);
drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
drawable.draw(canvas);
return bitmap;
} catch (OutOfMemoryError e) {
return null;
}
}
/**
* @param bitmap
* @return
*/
public static Bitmap createReflectionImageWithOrigin(Bitmap bitmap) {
final int reflectionGap = 4;
int w = bitmap.getWidth();
int h = bitmap.getHeight();
Matrix matrix = new Matrix();
matrix.preScale(1, -1);
Bitmap reflectionImage = Bitmap.createBitmap(bitmap, 0, h / 2, w, h / 2, matrix, false);
Bitmap bitmapWithReflection = Bitmap.createBitmap(w, (h + h / 2), Config.ARGB_8888);
Canvas canvas = new Canvas(bitmapWithReflection);
canvas.drawBitmap(bitmap, 0, 0, null);
Paint deafalutPaint = new Paint();
canvas.drawRect(0, h, w, h + reflectionGap, deafalutPaint);
canvas.drawBitmap(reflectionImage, 0, h + reflectionGap, null);
Paint paint = new Paint();
LinearGradient shader =
new LinearGradient(
0,
bitmap.getHeight(),
0,
bitmapWithReflection.getHeight() + reflectionGap,
0x70ffffff,
0x00ffffff,
TileMode.CLAMP);
paint.setShader(shader);
// Set the Transfer mode to be porter duff and destination in
paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
// Draw a rectangle using the paint with our linear gradient
canvas.drawRect(0, h, w, bitmapWithReflection.getHeight() + reflectionGap, paint);
return bitmapWithReflection;
}
// AUT:[email protected]. DATE:2012-12-22. START. public static Bitmap resizeAndCropCenterExt(Bitmap bitmap, int size, boolean recycle) { int w = bitmap.getWidth(); int h = bitmap.getHeight(); if (w == size && h == size) return bitmap; // scale the image so that the shorter side equals to the target; // the longer side will be center-cropped. float scale = (float) size / Math.min(w, h); int width = Math.round(scale * bitmap.getWidth()); int height = Math.round(scale * bitmap.getHeight()); if (width > height) { int largeSize = (int) (width <= size * 1.5 ? width : size * 1.5); Bitmap target = Bitmap.createBitmap(largeSize, size, getConfig(bitmap)); Canvas canvas = new Canvas(target); canvas.translate((largeSize - width) / 2f, (size - height) / 2f); canvas.scale(scale, scale); Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG | Paint.DITHER_FLAG); canvas.drawBitmap(bitmap, 0, 0, paint); if (recycle) bitmap.recycle(); return target; } else { int largeSize = (int) (height <= size * 1.5 ? height : size * 1.5); Bitmap target = Bitmap.createBitmap(size, largeSize, getConfig(bitmap)); Canvas canvas = new Canvas(target); canvas.translate((size - width) / 2f, (largeSize - height) / 2f); canvas.scale(scale, scale); Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG | Paint.DITHER_FLAG); canvas.drawBitmap(bitmap, 0, 0, paint); if (recycle) bitmap.recycle(); return target; } }
/**
* 生成带镜面倒影的bitmap
*
* @param originBitmap
* @return bitmapWithReflection
* @author 考虑到体验的流畅感，以及Gallery的加载机制缺陷，不推荐使用此方法。 仅保留此代码段作备用和记录 by Felix
*/
public Bitmap getReflection(Bitmap image) {
final int reflectionGap = 4;
Bitmap originalImage = image;
int width = originalImage.getWidth();
int height = originalImage.getHeight();
Matrix matrix = new Matrix();
matrix.preScale(1, -1);
Bitmap reflectionImage =
Bitmap.createBitmap(originalImage, 0, height / 2, width, height / 2, matrix, false);
Bitmap bitmapWithReflection =
Bitmap.createBitmap(width, (height + height / 2), Config.ARGB_8888);
Canvas canvas = new Canvas(bitmapWithReflection);
canvas.drawBitmap(originalImage, 0, 0, null);
Paint deafaultPaint = new Paint();
canvas.drawRect(0, height, width, height + reflectionGap, deafaultPaint);
canvas.drawBitmap(reflectionImage, 0, height + reflectionGap, null);
Paint paint = new Paint();
LinearGradient shader =
new LinearGradient(
0,
originalImage.getHeight(),
0,
bitmapWithReflection.getHeight() + reflectionGap,
0x80ffffff,
0x00ffffff,
TileMode.CLAMP);
paint.setShader(shader);
paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
canvas.drawRect(0, height, width, bitmapWithReflection.getHeight() + reflectionGap, paint);
return bitmapWithReflection;
}
@Override
protected void onDraw(Canvas canvas) {
Drawable drawable = getDrawable();
if (drawable == null) {
return;
}
if (getWidth() == 0 || getHeight() == 0) {
return;
}
Bitmap bitmap = ((BitmapDrawable) drawable).getBitmap();
if (null == bitmap) {
return;
}
final Paint paint = new Paint();
final Rect rect1 = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
final Rect rect2 = new Rect(0, 0, bitmap.getWidth(), bitmap.getWidth());
paint.setAntiAlias(true);
paint.setFilterBitmap(true);
Bitmap output =
Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas1 = new Canvas(output);
canvas1.drawCircle(
bitmap.getWidth() / 2.0f, bitmap.getWidth() / 2.0f, bitmap.getWidth() / 2.0f, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas1.drawBitmap(bitmap, rect1, rect1, paint);
float sx = ((float) getWidth()) / (float) output.getWidth();
float sy = ((float) getHeight()) / (float) output.getHeight();
Matrix matrix = new Matrix();
matrix.setScale(sx, sx);
output = Bitmap.createBitmap(output, 0, 0, output.getWidth(), output.getHeight(), matrix, true);
canvas.drawBitmap(output, 0, 0, null);
}
public void setNiti() { // 起動時
int charId = re.getIdentifier("suuji", "drawable", "rising.sun");
msuji = BitmapFactory.decodeResource(re, charId, opt);
suuji[0] = Bitmap.createBitmap(msuji, 0, 0, 20, 26);
suuji[1] = Bitmap.createBitmap(msuji, 60, 0, 20, 26);
suuji[2] = Bitmap.createBitmap(msuji, 120, 0, 20, 26);
}
/**
* Divide the bitmap into the number of pieces specified by the WIDTH_IN_PIECES and
* HEIGHT_IN_PIECES constants
*
* @param bitmap
* @return
*/
private Bitmap[] createPieces(Bitmap bitmap) {
float piecesWide = WIDTH_IN_PIECES;
float piecesHigh = HEIGHT_IN_PIECES;
Bitmap[] bitmapArray = new Bitmap[TOTAL_PIECES];
float pieceHeight = bitmap.getHeight() / piecesHigh;
float pieceWidth = bitmap.getWidth() / piecesWide;
mPieceWidth = (int) pieceWidth;
mPieceHeight = (int) pieceHeight;
int i = 0;
int emptySquareIndex = mRand.nextInt(TOTAL_PIECES);
for (int w = 0; w < piecesWide; w++) {
for (int h = 0; h < piecesHigh; h++) {
int x = (int) (w * pieceWidth);
int y = (int) (h * pieceHeight);
if (i != emptySquareIndex) {
bitmapArray[i] = Bitmap.createBitmap(bitmap, x, y, (int) pieceWidth, (int) pieceHeight);
} else {
bitmapArray[i] = null;
mMissingCoord = new Coordinate(w, h);
mMissingPiece = Bitmap.createBitmap(bitmap, x, y, (int) pieceWidth, (int) pieceHeight);
}
mGridState[w][h] = i;
i++;
}
}
return bitmapArray;
}
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;
}
Bitmap loadImage(String path) {
boolean landscape = false;
Bitmap bm;
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeFile(path, options);
int oh = options.outHeight;
int ow = options.outWidth;
if (ow > oh) {
landscape = true;
oh = options.outWidth;
ow = options.outHeight;
}
options.inJustDecodeBounds = false;
options.inSampleSize = Math.max(ow / w, oh / h);
bm = BitmapFactory.decodeFile(path, options);
if (landscape) {
Matrix matrix = new Matrix();
matrix.setRotate(90.0f);
bm = Bitmap.createBitmap(bm, 0, 0, bm.getWidth(), bm.getHeight(), matrix, false);
}
bm =
Bitmap.createScaledBitmap(
bm, (int) (w), (int) (w * (((double) oh) / ((double) ow))), false);
Bitmap offBitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
Canvas offCanvas = new Canvas(offBitmap);
offCanvas.drawBitmap(bm, 0, (h - bm.getHeight()) / 2, null);
bm = offBitmap;
return bm;
}
public static BitmapDrawable createCheckerBoard(Resources res, int size) {
size *= res.getDisplayMetrics().density;
BitmapShader shader =
new BitmapShader(
Bitmap.createBitmap(
new int[] {0xFFFFFFFF, 0xFFCCCCCC, 0xFFCCCCCC, 0xFFFFFFFF},
2,
2,
Bitmap.Config.RGB_565),
BitmapShader.TileMode.REPEAT,
BitmapShader.TileMode.REPEAT);
Matrix matrix = new Matrix();
matrix.setScale(size, size);
shader.setLocalMatrix(matrix);
Paint paint = new Paint();
paint.setStyle(Paint.Style.FILL);
paint.setShader(shader);
Bitmap bm2 = Bitmap.createBitmap(size * 2, size * 2, Bitmap.Config.RGB_565);
new Canvas(bm2).drawPaint(paint);
BitmapDrawable drawable = new BitmapDrawable(res, bm2);
drawable.setTileModeXY(BitmapShader.TileMode.REPEAT, BitmapShader.TileMode.REPEAT);
return drawable;
}
private void sendScreenshot() {
Bitmap bitmap = mIitcWebView.getDrawingCache();
if (bitmap == null) {
mIitcWebView.buildDrawingCache();
bitmap = mIitcWebView.getDrawingCache();
if (bitmap == null) {
Log.e("could not get bitmap!");
return;
}
bitmap = Bitmap.createBitmap(bitmap);
if (!mIitcWebView.isDrawingCacheEnabled()) mIitcWebView.destroyDrawingCache();
} else {
bitmap = Bitmap.createBitmap(bitmap);
}
try {
final File cache = getExternalCacheDir();
final File file = File.createTempFile("IITC screenshot", ".png", cache);
if (!bitmap.compress(CompressFormat.PNG, 100, new FileOutputStream(file))) {
// quality is ignored by PNG
throw new IOException("Could not compress bitmap!");
}
startActivityForResult(
ShareActivity.forFile(this, file, "image/png"),
new ResponseHandler() {
@Override
public void onActivityResult(final int resultCode, final Intent data) {
file.delete();
}
});
} catch (final IOException e) {
Log.e("Could not generate screenshot", e);
}
}
/**
* 将给定图片维持宽高比缩放后，截取正中间的正方形部分。
*
* @param bitmap 原图
* @return 缩放截取正中部分后的位图。
*/
public static Bitmap getCirclePhoto(Bitmap bitmap) {
if (null == bitmap) {
return null;
}
int edgeLength = 0;
Bitmap result = bitmap;
int widthOrg = bitmap.getWidth();
int heightOrg = bitmap.getHeight();
if (widthOrg >= heightOrg) {
edgeLength = heightOrg;
try {
result = Bitmap.createBitmap(result, (widthOrg - heightOrg) / 2, 0, edgeLength, edgeLength);
} catch (Exception e) {
return null;
}
} else {
edgeLength = widthOrg;
try {
result = Bitmap.createBitmap(result, 0, (heightOrg - widthOrg) / 2, edgeLength, edgeLength);
} catch (Exception e) {
return null;
}
}
return toRoundCorner(result, 2); // 使正方形图片变成正圆
}
public void captureScreen() {
int topHeight = 300, bottomHeight = 250;
View v = getWindow().getDecorView().getRootView();
v.setDrawingCacheEnabled(true);
Bitmap b = Bitmap.createBitmap(v.getDrawingCache());
screenShot =
Bitmap.createBitmap(
b, 0, bottomHeight, b.getWidth(), b.getHeight() - (bottomHeight + topHeight));
v.setDrawingCacheEnabled(false);
try {
FileOutputStream fos = this.openFileOutput("screenshot", Context.MODE_PRIVATE);
screenShot.compress(Bitmap.CompressFormat.PNG, 100, fos);
fos.flush();
fos.close();
Intent intent = new Intent(this, EditFinish.class);
intent.putExtra("image", "screenshot");
startActivity(intent);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Returns the given page as an RGB image at the given scale.
*
* @param pageIndex the zero-based index of the page to be converted
* @param scale the scaling factor, where 1 = 72 DPI
* @param config the bitmap config to create
* @return the rendered page image
* @throws IOException if the PDF cannot be read
*/
public Bitmap renderImage(int pageIndex, float scale, Bitmap.Config config) throws IOException {
PDPage page = document.getPage(pageIndex);
PDRectangle cropbBox = page.getCropBox();
float widthPt = cropbBox.getWidth();
float heightPt = cropbBox.getHeight();
int widthPx = Math.round(widthPt * scale);
int heightPx = Math.round(heightPt * scale);
int rotationAngle = page.getRotation();
// swap width and height
Bitmap image;
if (rotationAngle == 90 || rotationAngle == 270) {
image = Bitmap.createBitmap(heightPx, widthPx, config);
} else {
image = Bitmap.createBitmap(widthPx, heightPx, config);
}
// use a transparent background if the imageType supports alpha
Paint paint = new Paint();
Canvas canvas = new Canvas(image);
if (config != Bitmap.Config.ARGB_8888) {
paint.setColor(Color.WHITE);
paint.setStyle(Paint.Style.FILL);
canvas.drawRect(0, 0, image.getWidth(), image.getHeight(), paint);
paint.reset();
}
renderPage(page, paint, canvas, image.getWidth(), image.getHeight(), scale, scale);
return image;
}
private void drawStar(Canvas canvas, int position) {
float fraction = mRating - (position);
Bitmap ratedStar = getRatedStar();
if ((position + 1) < mRating) {
canvas.drawBitmap(ratedStar, (position * (ratedStar.getWidth() + space)), 0, null);
} else {
// fraction 小数部分
if (fraction > 0 && fraction <= 1) {
int sourceWidth = ratedStar.getWidth();
int sourceHeight = ratedStar.getHeight();
int targetWidth = (int) (ratedStar.getWidth() * fraction);
int bgWidth = sourceWidth - targetWidth;
if (targetWidth > 0) {
Bitmap croppedBmp = Bitmap.createBitmap(ratedStar, 0, 0, targetWidth, sourceHeight);
canvas.drawBitmap(croppedBmp, (position * (sourceWidth + space)), 0, null);
// croppedBmp.recycle();
}
if (bgWidth > 0) {
Bitmap croppedBg =
Bitmap.createBitmap(progressBackground, targetWidth, 0, bgWidth, sourceHeight);
canvas.drawBitmap(croppedBg, (position * (sourceWidth + space)) + targetWidth, 0, null);
// croppedBg.recycle();
}
} else {
canvas.drawBitmap(
progressBackground, (position * (progressBackground.getWidth() + space)), 0, null);
}
}
}
@Override
protected Bitmap transform(BitmapPool pool, Bitmap source, int outWidth, int outHeight) {
int sourceWidth = source.getWidth();
int sourceHeight = source.getHeight();
double outRatio = (double) outWidth / (double) outHeight;
int x = 0;
int width = sourceWidth;
int height = (int) (width / outRatio);
int y = (sourceHeight - height) / 2;
if (height >= sourceHeight) {
height = sourceHeight;
width = (int) (outRatio * height);
y = 0;
x = (sourceWidth - width) / 2;
}
Bitmap bitmap = Bitmap.createBitmap(source, x, y, width, height);
// 圆角
Bitmap output = Bitmap.createBitmap(outWidth, outHeight, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final int color = 0xff424242;
final Paint paint = new Paint();
final Rect src = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
final RectF dst = new RectF(0, 0, outWidth, outHeight);
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
canvas.drawRoundRect(dst, mRadius, mRadius, paint);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
canvas.drawBitmap(bitmap, src, dst, paint);
return output;
}
public static Bitmap drawableToBitmap(Drawable drawable) {
Bitmap bitmap = null;
if (drawable instanceof BitmapDrawable) {
BitmapDrawable bitmapDrawable = (BitmapDrawable) drawable;
if (bitmapDrawable.getBitmap() != null) {
return bitmapDrawable.getBitmap();
}
}
if (drawable.getIntrinsicWidth() <= 0 || drawable.getIntrinsicHeight() <= 0) {
bitmap =
Bitmap.createBitmap(
1, 1, Bitmap.Config.ARGB_8888); // Single color bitmap will be created of 1x1 pixel
} else {
bitmap =
Bitmap.createBitmap(
drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
}
Canvas canvas = new Canvas(bitmap);
drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
drawable.draw(canvas);
return bitmap;
}
PictureGalleryDialog(
Context context,
long trackId,
long[] legIds,
PictureGalleryImage[] imageDetails,
DisplayMetrics displayMetrics) {
super(context);
setTitle(context.getString(R.string.picture_gallery_dialog_title));
this.trackId = trackId;
this.legIds = legIds;
this.imageDetails = imageDetails;
this.displayMetrics = displayMetrics;
this.thumbnailDefaultBitmap =
Bitmap.createBitmap(getThumbnailSize(), getThumbnailSize(), Bitmap.Config.ARGB_4444);
Canvas canvas = new Canvas(thumbnailDefaultBitmap);
canvas.drawColor(Color.WHITE);
this.browserDefaultBitmap =
Bitmap.createBitmap(
displayMetrics.widthPixels, displayMetrics.heightPixels, Bitmap.Config.ARGB_4444);
canvas = new Canvas(browserDefaultBitmap);
canvas.drawColor(Color.WHITE);
}
private Bitmap getBitmapFromDrawable(Drawable drawable) {
if (drawable == null) {
return null;
}
if (drawable instanceof BitmapDrawable) {
return ((BitmapDrawable) drawable).getBitmap();
}
try {
Bitmap bitmap;
if (drawable instanceof ColorDrawable) {
bitmap =
Bitmap.createBitmap(COLORDRAWABLE_DIMENSION, COLORDRAWABLE_DIMENSION, BITMAP_CONFIG);
} else {
bitmap =
Bitmap.createBitmap(
drawable.getIntrinsicWidth() + 1, drawable.getIntrinsicHeight() + 1, BITMAP_CONFIG);
}
Canvas canvas = new Canvas(bitmap);
drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
drawable.draw(canvas);
return bitmap;
} catch (OutOfMemoryError e) {
return null;
}
}
@SuppressWarnings("deprecation")
public void setCircleButtonStateListDrawable(
View circleButton, int radius, int pressedColor, int normalColor) {
WeakReference<Bitmap> imagePressed =
new WeakReference<>(Bitmap.createBitmap(2 * radius, 2 * radius, Bitmap.Config.ARGB_8888));
Canvas canvasPressed = new Canvas(imagePressed.get());
Paint paintPressed = new Paint();
paintPressed.setAntiAlias(true);
paintPressed.setColor(pressedColor);
canvasPressed.drawCircle(radius, radius, radius, paintPressed);
WeakReference<Bitmap> imageNormal =
new WeakReference<>(Bitmap.createBitmap(2 * radius, 2 * radius, Bitmap.Config.ARGB_8888));
Canvas canvasNormal = new Canvas(imageNormal.get());
Paint paintNormal = new Paint();
paintNormal.setAntiAlias(true);
paintNormal.setColor(normalColor);
canvasNormal.drawCircle(radius, radius, radius, paintNormal);
StateListDrawable stateListDrawable = new StateListDrawable();
stateListDrawable.addState(
new int[] {android.R.attr.state_pressed},
new BitmapDrawable(circleButton.getContext().getResources(), imagePressed.get()));
stateListDrawable.addState(
StateSet.WILD_CARD,
new BitmapDrawable(circleButton.getContext().getResources(), imageNormal.get()));
if (android.os.Build.VERSION.SDK_INT >= 16) {
circleButton.setBackground(stateListDrawable);
} else {
circleButton.setBackgroundDrawable(stateListDrawable);
}
}
