Added the routines for manipulation the scale filter method. It allow change the
scale filter.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2241 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/ScaledPixelBuffer.cxx b/common/rfb/ScaledPixelBuffer.cxx
index 1be029d..35d5d3b 100644
--- a/common/rfb/ScaledPixelBuffer.cxx
+++ b/common/rfb/ScaledPixelBuffer.cxx
@@ -86,6 +86,19 @@
}
}
+void ScaledPixelBuffer::setScaleFilter(unsigned int scaleFilterID_) {
+ if (scaleFilterID == scaleFilterID_ || scaleFilterID_ > scaleFilterMaxNumber) return;
+
+ scaleFilterID = scaleFilterID_;
+
+ if (src_width && src_height && scaled_width && scaled_height && pf.depth > 0) {
+ freeWeightTabs();
+ scaleFilters.makeWeightTabs(scaleFilterID, src_width, scaled_width, &xWeightTabs);
+ scaleFilters.makeWeightTabs(scaleFilterID, src_height, scaled_height, &yWeightTabs);
+ if (scale != 100) scaleRect(Rect(0, 0, src_width, src_height));
+ }
+}
+
inline void ScaledPixelBuffer::rgbFromPixel(U32 p, int &r, int &g, int &b) {
r = (((p >> pf.redShift ) & pf.redMax ) * 255 + pf.redMax /2) / pf.redMax;
g = (((p >> pf.greenShift) & pf.greenMax) * 255 + pf.greenMax/2) / pf.greenMax;