thirdparty/scummvm
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- changes transparency parameter of Theme::drawSurface to alpha parameter.

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- adds possibility to draw GraphicsWidgets with alpha values.

svn-id: r22738
This commit is contained in:
Johannes Schickel 2006-05-29 14:00:00 +00:00
parent af25e65c31
commit 0a557cf2a4
6 changed files with 15 additions and 30 deletions
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25
gui/ThemeNew.cpp
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@ -624,7 +624,7 @@ void ThemeNew::drawButton(const Common::Rect &r, const Common::String &str, kSta
addDirtyRect(r2);
}
void ThemeNew::drawSurface(const Common::Rect &r, const Graphics::Surface &surface, kState state, bool transparency) {
void ThemeNew::drawSurface(const Common::Rect &r, const Graphics::Surface &surface, kState state, int alpha) {
if (!_initOk)
return;
@ -636,25 +636,12 @@ void ThemeNew::drawSurface(const Common::Rect &r, const Graphics::Surface &surfa
assert(surface.bytesPerPixel == sizeof(OverlayColor));
if (transparency) {
drawSurface(rect, &surface, false, false, 256);
addDirtyRect(r);
return;
}
if (alpha != 256)
restoreBackground(rect);
OverlayColor *src = (OverlayColor *)surface.pixels;
OverlayColor *dst = (OverlayColor *)_screen.getBasePtr(rect.left, rect.top);
int w = rect.width();
int h = rect.height();
while (h--) {
memcpy(dst, src, surface.pitch);
src += w;
// FIXME: this should be pitch
dst += _screen.w;
}
addDirtyRect(r);
drawSurface(rect, &surface, false, false, alpha);
addDirtyRect(rect);
return;
}
void ThemeNew::drawSlider(const Common::Rect &rr, int width, kState state) {