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Added exposure compensation control for the fake camera.

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Change-Id: I10bc16d9d521f82e12ff335eed29465ac08b5595
This commit is contained in:
Christine Chen
2011-10-14 13:29:28 -07:00
parent ab50fca4f0
commit 366396d9b0
5 changed files with 64 additions and 2 deletions
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13
tools/emulator/system/camera/EmulatedFakeCameraDevice.cpp
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@@ -44,6 +44,13 @@ EmulatedFakeCameraDevice::EmulatedFakeCameraDevice(EmulatedFakeCamera* camera_ha
mCurrentColor(&mWhiteYUV)
#endif // EFCD_ROTATE_FRAME
{
// Makes the image with the original exposure compensation darker.
// So the effects of changing the exposure compensation can be seen.
mBlackYUV.Y = mBlackYUV.Y / 4;
mWhiteYUV.Y = mWhiteYUV.Y / 4;
mRedYUV.Y = mRedYUV.Y / 4;
mGreenYUV.Y = mGreenYUV.Y / 4;
mBlueYUV.Y = mBlueYUV.Y / 4;
}
EmulatedFakeCameraDevice::~EmulatedFakeCameraDevice()
@@ -258,6 +265,7 @@ void EmulatedFakeCameraDevice::drawCheckerboard()
} else {
mWhiteYUV.get(Y, U, V);
}
*Y = changeExposure(*Y);
Y[1] = *Y;
Y += 2; U += mUVStep; V += mUVStep;
countx += 2;
@@ -309,6 +317,7 @@ void EmulatedFakeCameraDevice::drawSquare(int x,
uint8_t* sqY = Y_pos;
for (int i = x; i < square_xstop; i += 2) {
color->get(sqY, sqU, sqV);
*sqY = changeExposure(*sqY);
sqY[1] = *sqY;
sqY += 2; sqU += mUVStep; sqV += mUVStep;
}
@@ -321,7 +330,7 @@ void EmulatedFakeCameraDevice::drawSquare(int x,
void EmulatedFakeCameraDevice::drawSolid(YUVPixel* color)
{
/* All Ys are the same. */
memset(mCurrentFrame, color->Y, mTotalPixels);
memset(mCurrentFrame, changeExposure(color->Y), mTotalPixels);
/* Fill U, and V panes. */
uint8_t* U = mFrameU;
@@ -357,7 +366,7 @@ void EmulatedFakeCameraDevice::drawStripes()
}
/* All Ys at the row are the same. */
memset(pY, color->Y, mFrameWidth);
memset(pY, changeExposure(color->Y), mFrameWidth);
/* Offset of the current row inside U/V panes. */
const int uv_off = (y / 2) * mUVInRow;