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GUI: Add fillSurfaceClip()

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This commit is contained in:
Alexander Tkachev 2016-06-29 21:30:45 +06:00 • committed by Eugene Sandulenko
parent a39a6533c4
commit e636894b06
3 changed files with 42 additions and 2 deletions
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38
graphics/VectorRendererSpec.cpp
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@ -706,6 +706,44 @@ fillSurface() {
}
}
template<typename PixelType>
void VectorRendererSpec<PixelType>::
fillSurfaceClip(Common::Rect clipping) {
int w = _activeSurface->w;
int h = _activeSurface->h;
if (clipping.isEmpty() || (clipping.left == 0 && clipping.top == 0 && clipping.right == w && clipping.bottom == h)) {
fillSurface();
return;
}
byte *ptr = (byte *)_activeSurface->getPixels();
int pitch = _activeSurface->pitch;
if (Base::_fillMode == kFillBackground || Base::_fillMode == kFillForeground) {
PixelType color = (Base::_fillMode == kFillBackground ? _bgColor : _fgColor);
byte *ptrLeft = (ptr + _clippingArea.left), *ptrRight = ptr + _clippingArea.right;
for (int i = 0; i < h; i++) {
if (_clippingArea.top <= i && i < _clippingArea.bottom) {
colorFill<PixelType>((PixelType *)ptrLeft, (PixelType *)ptrRight, color);
}
ptrLeft += pitch;
ptrRight += pitch;
}
} else if (Base::_fillMode == kFillGradient) {
precalcGradient(h);
for (int i = 0; i < h; i++) {
if (_clippingArea.top <= i && i < _clippingArea.bottom) {
gradientFill((PixelType *)ptr + _clippingArea.left, _clippingArea.width(), 0, i);
}
ptr += pitch;
}
}
}
template<typename PixelType>
void VectorRendererSpec<PixelType>::
copyFrame(OSystem *sys, const Common::Rect &r) {