public RenderThread(boolean isCasting) {
this.isCasting = isCasting;
surfaceHolder = null;
screenBuffer = XTRS.getScreenBuffer();
lastScreenBuffer = new short[0];
clipRect = new Rect();
adjustedClipRect = new Rect();
}
public synchronized Bitmap takeScreenshot(Hardware hardware) {
Bitmap screenshot =
Bitmap.createBitmap(hardware.getScreenWidth(), hardware.getScreenHeight(), Config.RGB_565);
boolean expandedMode = XTRS.isExpandedMode();
int d = expandedMode ? 2 : 1;
dirtyRectLeft = dirtyRectTop = 0;
dirtyRectRight = trsScreenCols / d - 1;
dirtyRectBottom = trsScreenRows - 1;
Canvas c = new Canvas(screenshot);
renderScreenToCanvas(c, expandedMode);
return screenshot;
}
@Override
public synchronized void run() {
while (run) {
isRendering = false;
try {
this.wait();
} catch (InterruptedException e) {
return;
}
isRendering = true;
boolean expandedMode = XTRS.isExpandedMode();
int d = expandedMode ? 2 : 1;
computeDirtyRect(d);
if (dirtyRectBottom == -1) {
// Nothing to update
continue;
}
if (isCasting) {
renderScreenToCast(RemoteCastScreen.get(), expandedMode);
continue;
}
if (surfaceHolder != null) {
/*
* The Android documentation does not mention that lockCanvas()
* may adjust the clip rect due to double buffering. Since the
* dirty rect might differ from the one that was computed in
* computeDirtyRect() we simply invalidate the whole TRS screen
* when this happens.
*/
Canvas canvas = surfaceHolder.lockCanvas(adjustedClipRect);
if (canvas == null) {
continue;
}
if (adjustedClipRect.left != clipRect.left
|| adjustedClipRect.top != clipRect.top
|| adjustedClipRect.right != clipRect.right
|| adjustedClipRect.bottom != clipRect.bottom) {
dirtyRectLeft = dirtyRectTop = 0;
dirtyRectRight = trsScreenCols / d - 1;
dirtyRectBottom = trsScreenRows - 1;
}
renderScreenToCanvas(canvas, expandedMode);
surfaceHolder.unlockCanvasAndPost(canvas);
}
}
}
