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-rw-r--r--engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp3
-rw-r--r--engines/wintermute/base/gfx/osystem/render_ticket.cpp4
2 files changed, 6 insertions, 1 deletions
diff --git a/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp b/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp
index 4e33702504..140988267f 100644
--- a/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp
+++ b/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp
@@ -452,7 +452,8 @@ bool BaseSurfaceOSystem::drawSprite(int x, int y, Rect32 *rect, Rect32 *newRect,
// But no checking is in place for that yet.
// Optimize by not doing alpha-blits if we lack alpha
- if (_alphaType == Graphics::ALPHA_OPAQUE && !transform._alphaDisable) {
+ // If angle is not 0, then transparent regions are added near the corners
+ if (_alphaType == Graphics::ALPHA_OPAQUE && transform._angle == 0) {
transform._alphaDisable = true;
}
diff --git a/engines/wintermute/base/gfx/osystem/render_ticket.cpp b/engines/wintermute/base/gfx/osystem/render_ticket.cpp
index acc9530684..e092e3cf17 100644
--- a/engines/wintermute/base/gfx/osystem/render_ticket.cpp
+++ b/engines/wintermute/base/gfx/osystem/render_ticket.cpp
@@ -117,6 +117,8 @@ void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface) const {
if (_owner) {
if (_transform._alphaDisable) {
src.setAlphaMode(Graphics::ALPHA_OPAQUE);
+ } else if (_transform._angle) {
+ src.setAlphaMode(Graphics::ALPHA_FULL);
} else {
src.setAlphaMode(_owner->getAlphaType());
}
@@ -149,6 +151,8 @@ void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface, Common::Rect
if (_owner) {
if (_transform._alphaDisable) {
src.setAlphaMode(Graphics::ALPHA_OPAQUE);
+ } else if (_transform._angle) {
+ src.setAlphaMode(Graphics::ALPHA_FULL);
} else {
src.setAlphaMode(_owner->getAlphaType());
}