Java Code Examples for javax.microedition.khronos.opengles.GL10#glReadPixels()
The following examples show how to use
javax.microedition.khronos.opengles.GL10#glReadPixels() .
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Example 1
| Source File: GLRenderWrapper.java From AndroidRipper with GNU Affero General Public License v3.0 | 6 votes |
|
/**
* Extract the bitmap from OpenGL
*
* @param x the start column
* @param y the start line
* @param w the width of the bitmap
* @param h the height of the bitmap
* @param gl the current GL reference
*/
private static Bitmap savePixels(int x, int y, int w, int h, GL10 gl) {
int b[] = new int[w * (y + h)];
int bt[] = new int[w * h];
IntBuffer ib = IntBuffer.wrap(b);
ib.position(0);
gl.glReadPixels(x, 0, w, y + h, GL10.GL_RGBA, GL10.GL_UNSIGNED_BYTE, ib);
for (int i = 0, k = 0; i < h; i++, k++) {
// remember, that OpenGL bitmap is incompatible with Android bitmap
// and so, some correction need.
for (int j = 0; j < w; j++) {
int pix = b[i * w + j];
int pb = (pix >> 16) & 0xff;
int pr = (pix << 16) & 0x00ff0000;
int pix1 = (pix & 0xff00ff00) | pr | pb;
bt[(h - k - 1) * w + j] = pix1;
}
}
Bitmap sb = Bitmap.createBitmap(bt, w, h, Bitmap.Config.ARGB_8888);
return sb;
}
Example 2
| Source File: EffectsFilterActivity.java From ImageEffects with Eclipse Public License 1.0 | 6 votes |
|
public Bitmap takeScreenshot(GL10 mGL) {
final int mWidth = mEffectView.getWidth();
final int mHeight = mEffectView.getHeight();
IntBuffer ib = IntBuffer.allocate(mWidth * mHeight);
IntBuffer ibt = IntBuffer.allocate(mWidth * mHeight);
mGL.glReadPixels(0, 0, mWidth, mHeight, GL10.GL_RGBA, GL10.GL_UNSIGNED_BYTE, ib);
// Convert upside down mirror-reversed image to right-side up normal
// image.
for (int i = 0; i < mHeight; i++) {
for (int j = 0; j < mWidth; j++) {
ibt.put((mHeight - i - 1) * mWidth + j, ib.get(i * mWidth + j));
}
}
Bitmap mBitmap = Bitmap.createBitmap(mWidth, mHeight, Bitmap.Config.ARGB_8888);
mBitmap.copyPixelsFromBuffer(ibt);
return mBitmap;
}
Example 3
| Source File: BaseCameraActivity.java From GPUVideo-android with MIT License | 5 votes |
|
private Bitmap createBitmapFromGLSurface(int w, int h, GL10 gl) {
int bitmapBuffer[] = new int[w * h];
int bitmapSource[] = new int[w * h];
IntBuffer intBuffer = IntBuffer.wrap(bitmapBuffer);
intBuffer.position(0);
try {
gl.glReadPixels(0, 0, w, h, GL10.GL_RGBA, GL10.GL_UNSIGNED_BYTE, intBuffer);
int offset1, offset2, texturePixel, blue, red, pixel;
for (int i = 0; i < h; i++) {
offset1 = i * w;
offset2 = (h - i - 1) * w;
for (int j = 0; j < w; j++) {
texturePixel = bitmapBuffer[offset1 + j];
blue = (texturePixel >> 16) & 0xff;
red = (texturePixel << 16) & 0x00ff0000;
pixel = (texturePixel & 0xff00ff00) | red | blue;
bitmapSource[offset2 + j] = pixel;
}
}
} catch (GLException e) {
Log.e("CreateBitmap", "createBitmapFromGLSurface: " + e.getMessage(), e);
return null;
}
return Bitmap.createBitmap(bitmapSource, w, h, Bitmap.Config.ARGB_8888);
}
Example 4
| Source File: BitmapUtil.java From PhotoEditor with MIT License | 5 votes |
|
/**
* Save filter bitmap from {@link ImageFilterView}
*
* @param glSurfaceView surface view on which is image is drawn
* @param gl open gl source to read pixels from {@link GLSurfaceView}
* @return save bitmap
* @throws OutOfMemoryError error when system is out of memory to load and save bitmap
*/
static Bitmap createBitmapFromGLSurface(GLSurfaceView glSurfaceView, GL10 gl) throws OutOfMemoryError {
int x = 0, y = 0;
int w = glSurfaceView.getWidth();
int h = glSurfaceView.getHeight();
int bitmapBuffer[] = new int[w * h];
int bitmapSource[] = new int[w * h];
IntBuffer intBuffer = IntBuffer.wrap(bitmapBuffer);
intBuffer.position(0);
try {
gl.glReadPixels(x, y, w, h, GL10.GL_RGBA, GL10.GL_UNSIGNED_BYTE, intBuffer);
int offset1, offset2;
for (int i = 0; i < h; i++) {
offset1 = i * w;
offset2 = (h - i - 1) * w;
for (int j = 0; j < w; j++) {
int texturePixel = bitmapBuffer[offset1 + j];
int blue = (texturePixel >> 16) & 0xff;
int red = (texturePixel << 16) & 0x00ff0000;
int pixel = (texturePixel & 0xff00ff00) | red | blue;
bitmapSource[offset2 + j] = pixel;
}
}
} catch (GLException e) {
return null;
}
return Bitmap.createBitmap(bitmapSource, w, h, Bitmap.Config.ARGB_8888);
}
Example 5
| Source File: BaseCameraActivity.java From CameraRecorder-android with MIT License | 5 votes |
|
private Bitmap createBitmapFromGLSurface(int w, int h, GL10 gl) {
int bitmapBuffer[] = new int[w * h];
int bitmapSource[] = new int[w * h];
IntBuffer intBuffer = IntBuffer.wrap(bitmapBuffer);
intBuffer.position(0);
try {
gl.glReadPixels(0, 0, w, h, GL10.GL_RGBA, GL10.GL_UNSIGNED_BYTE, intBuffer);
int offset1, offset2, texturePixel, blue, red, pixel;
for (int i = 0; i < h; i++) {
offset1 = i * w;
offset2 = (h - i - 1) * w;
for (int j = 0; j < w; j++) {
texturePixel = bitmapBuffer[offset1 + j];
blue = (texturePixel >> 16) & 0xff;
red = (texturePixel << 16) & 0x00ff0000;
pixel = (texturePixel & 0xff00ff00) | red | blue;
bitmapSource[offset2 + j] = pixel;
}
}
} catch (GLException e) {
Log.e("CreateBitmap", "createBitmapFromGLSurface: " + e.getMessage(), e);
return null;
}
return Bitmap.createBitmap(bitmapSource, w, h, Bitmap.Config.ARGB_8888);
}
Example 6
| Source File: GSYVideoGLViewBaseRender.java From GSYVideoPlayer with Apache License 2.0 | 5 votes |
|
/**
* 创建bitmap截图
*/
protected Bitmap createBitmapFromGLSurface(int x, int y, int w, int h, GL10 gl) {
int bitmapBuffer[] = new int[w * h];
int bitmapSource[] = new int[w * h];
IntBuffer intBuffer = IntBuffer.wrap(bitmapBuffer);
intBuffer.position(0);
try {
gl.glReadPixels(x, y, w, h, GL10.GL_RGBA, GL10.
GL_UNSIGNED_BYTE,
intBuffer);
int offset1, offset2;
for (int i = 0; i < h; i++) {
offset1 = i * w;
offset2 = (h - i - 1) * w;
for (int j = 0; j < w; j++) {
int texturePixel = bitmapBuffer[offset1 + j];
int blue = (texturePixel >> 16) & 0xff;
int red = (texturePixel << 16) & 0x00ff0000;
int pixel = (texturePixel & 0xff00ff00) | red | blue;
bitmapSource[offset2 + j] = pixel;
}
}
} catch (GLException e) {
return null;
}
if (mHighShot) {
return Bitmap.createBitmap(bitmapSource, w, h, Bitmap.Config.ARGB_8888);
} else {
return Bitmap.createBitmap(bitmapSource, w, h, Bitmap.Config.RGB_565);
}
}
Example 7
| Source File: OpenGLRenderer.java From smartGL with Apache License 2.0 | 4 votes |
|
private void doTakeScreenshot(GL10 gl) {
if ((mScreenshotListener == null) || (mScreenshotHandler == null)) {
return;
}
int width = getWidth();
int height = getHeight();
int source[] = new int[width * height];
int dest[] = new int[width * height];
IntBuffer wrap = IntBuffer.wrap(source);
wrap.position(0);
gl.glReadPixels(0, 0, width, height, GL10.GL_RGBA, GL10.GL_UNSIGNED_BYTE, wrap);
int raw;
int color;
int offsetSrc;
int offsetDst;
for (int y = 0; y < height; y++) {
offsetSrc = y * width;
offsetDst = (height - y - 1) * width;
for (int x = 0; x < width; x++) {
raw = source[offsetSrc++]; // ABGR to ARGB
color = (raw & 0xFF00FF00) | ((raw & 0x00FF0000) >> 16) | ((raw & 0x000000FF) << 16);
dest[offsetDst++] = color;
}
}
final Bitmap bitmap = Bitmap.createBitmap(dest, width, height, Bitmap.Config.ARGB_8888);
mScreenshotHandler.post(new Runnable() {
@Override
public void run() {
synchronized (this) {
if (mScreenshotListener != null) {
if (bitmap != null) {
mScreenshotListener.screenshotTaken(bitmap);
}
mScreenshotListener = null;
}
}
}
});
}
