* fix spelling in comments to please John.

[lyx.git] / src / frontends / qt4 / ColorCache.cpp

diff --git a/src/frontends/qt4/ColorCache.cpp b/src/frontends/qt4/ColorCache.cpp
index 16c4497eab66ea07afa86bce84cb34be57b26724..5b7a416afcc38d7bd5d8a3ebd53718da16bb9060 100644 (file)
--- a/src/frontends/qt4/ColorCache.cpp
+++ b/src/frontends/qt4/ColorCache.cpp
@@ -11,10 +11,7 @@
 #include <config.h>
 
 #include "ColorCache.h"
-
-#include "Color.h"
-
-#include <string>
+#include "ColorSet.h"
 
 namespace lyx {
 
@@ -22,6 +19,29 @@ void ColorCache::init()
 {
        for (int col = 0; col <= Color_ignore; ++col)
                lcolors_[col] = QColor(lcolor.getX11Name(ColorCode(col)).c_str());
+       initialized_ = true;
+}
+
+
+/// get the given color
+QColor ColorCache::get(Color color) const
+{
+       if (!initialized_)
+               const_cast<ColorCache *>(this)->init();
+       if (color <= Color_ignore && color.mergeColor == Color_ignore)
+               return lcolors_[color.baseColor];
+       if (color.mergeColor != Color_ignore) {
+               // FIXME: This would ideally be done in the Color class, but
+               // that means that we'd have to use the Qt code in the core.
+               QColor base_color = get(color.baseColor).toRgb();
+               QColor merge_color = get(color.mergeColor).toRgb();
+               return QColor(
+                       (base_color.red() + merge_color.red()) / 2,
+                       (base_color.green() + merge_color.green()) / 2,
+                       (base_color.blue() + merge_color.blue()) / 2);
+       }
+       // used by branches
+       return QColor(lcolor.getX11Name(color.baseColor).c_str()); 
 }