X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b8193d807ff5d2eae0c5621a38c4fce1173ed265..93df3f5f7318c1aa3f930e9e4f631a2569948149:/contrib/src/stc/PlatWX.cpp

diff --git a/contrib/src/stc/PlatWX.cpp b/contrib/src/stc/PlatWX.cpp
index 2e80894a47..f41304a50a 100644
--- a/contrib/src/stc/PlatWX.cpp
+++ b/contrib/src/stc/PlatWX.cpp
@@ -14,6 +14,10 @@
 #include "wx/imaglist.h"
 #include "wx/tokenzr.h"
 
+#ifdef wxHAVE_RAW_BITMAP
+#include "wx/rawbmp.h"
+#endif
+
 #include "Platform.h"
 #include "PlatWX.h"
 #include "wx/stc/stc.h"
@@ -334,12 +338,85 @@ void SurfaceImpl::RoundedRectangle(PRectangle rc, ColourAllocated fore, ColourAl
     hdc->DrawRoundedRectangle(wxRectFromPRectangle(rc), 4);
 }
 
+#ifdef __WXMSW__
+#define wxPy_premultiply(p, a)   ((p) * (a) / 0xff)
+#else
+#define wxPy_premultiply(p, a)   (p)
+#endif
+
 void SurfaceImpl::AlphaRectangle(PRectangle rc, int cornerSize,
                                  ColourAllocated fill, int alphaFill,
-                                 ColourAllocated outline, int alphaOutline, int flags) {
-// ** TODO
+                                 ColourAllocated outline, int alphaOutline,
+                                 int /*flags*/) {
+#ifdef wxHAVE_RAW_BITMAP
+
+    // TODO:  do something with cornerSize
+    wxUnusedVar(cornerSize);
+    
+    int x, y;
+    wxRect r = wxRectFromPRectangle(rc);
+    wxBitmap bmp(r.width, r.height, 32);
+    wxAlphaPixelData pixData(bmp);
+    pixData.UseAlpha();
+
+    // Set the fill pixels
+    ColourDesired cdf(fill.AsLong());
+    int red   = cdf.GetRed();
+    int green = cdf.GetGreen();
+    int blue  = cdf.GetBlue();
+
+    wxAlphaPixelData::Iterator p(pixData);
+    for (y=0; y<r.height; y++) {
+        p.MoveTo(pixData, 0, y);
+        for (x=0; x<r.width; x++) {
+            p.Red()   = wxPy_premultiply(red,   alphaFill);
+            p.Green() = wxPy_premultiply(green, alphaFill);
+            p.Blue()  = wxPy_premultiply(blue,  alphaFill);
+            p.Alpha() = alphaFill;
+            ++p; 
+        }
+    }
+
+    // Set the outline pixels
+    ColourDesired cdo(outline.AsLong());
+    red   = cdo.GetRed();
+    green = cdo.GetGreen();
+    blue  = cdo.GetBlue();
+    for (x=0; x<r.width; x++) {
+        p.MoveTo(pixData, x, 0);
+        p.Red()   = wxPy_premultiply(red,   alphaOutline);
+        p.Green() = wxPy_premultiply(green, alphaOutline);
+        p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
+        p.Alpha() = alphaOutline;        
+        p.MoveTo(pixData, x, r.height-1);
+        p.Red()   = wxPy_premultiply(red,   alphaOutline);
+        p.Green() = wxPy_premultiply(green, alphaOutline);
+        p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
+        p.Alpha() = alphaOutline;        
+    }
 
+    for (y=0; y<r.height; y++) {
+        p.MoveTo(pixData, 0, y);
+        p.Red()   = wxPy_premultiply(red,   alphaOutline);
+        p.Green() = wxPy_premultiply(green, alphaOutline);
+        p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
+        p.Alpha() = alphaOutline;        
+        p.MoveTo(pixData, r.width-1, y);
+        p.Red()   = wxPy_premultiply(red,   alphaOutline);
+        p.Green() = wxPy_premultiply(green, alphaOutline);
+        p.Blue()  = wxPy_premultiply(blue,  alphaOutline);
+        p.Alpha() = alphaOutline;        
+    }
+    
+    // Draw the bitmap
+    hdc->DrawBitmap(bmp, r.x, r.y, true);
+
+#else
+    wxUnusedVar(cornerSize);
+    wxUnusedVar(alphaFill);
+    wxUnusedVar(alphaOutline);
     RectangleDraw(rc, outline, fill);
+#endif
 }
 
 void SurfaceImpl::Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated back) {