X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dfc5454127ac2195e10deebb216d82c674e757df..4cb1706ae52c02214a4540c6c4b6882bed5af416:/src/motif/colour.cpp

diff --git a/src/motif/colour.cpp b/src/motif/colour.cpp
index 4aa74d14c0..bd112d6a4a 100644
--- a/src/motif/colour.cpp
+++ b/src/motif/colour.cpp
@@ -20,13 +20,17 @@
 #include "wx/colour.h"
 #include "wx/app.h"
 
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
 #include <Xm/Xm.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
 
 #include "wx/motif/private.h"
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxColour, wxObject)
-#endif
 
 // Colour
 
@@ -57,15 +61,15 @@ wxColour::wxColour (const wxColour& col)
 
 wxColour& wxColour::operator =(const wxColour& col)
 {
-  m_red = col.m_red;
-  m_green = col.m_green;
-  m_blue = col.m_blue;
-  m_isInit = col.m_isInit;
-  m_pixel = col.m_pixel;
-  return *this;
+    m_red = col.m_red;
+    m_green = col.m_green;
+    m_blue = col.m_blue;
+    m_isInit = col.m_isInit;
+    m_pixel = col.m_pixel;
+    return *this;
 }
 
-wxColour::wxColour (const wxString& col)
+void wxColour::InitFromName(const wxString& col)
 {
     wxColour *the_colour = wxTheColourDatabase->FindColour (col);
     if (the_colour)
@@ -73,6 +77,7 @@ wxColour::wxColour (const wxString& col)
         m_red = the_colour->Red ();
         m_green = the_colour->Green ();
         m_blue = the_colour->Blue ();
+        m_pixel = the_colour->m_pixel;
         m_isInit = TRUE;
     }
     else
@@ -82,62 +87,34 @@ wxColour::wxColour (const wxString& col)
         m_blue = 0;
         m_isInit = FALSE;
     }
-/* TODO
-    m_pixel = PALETTERGB (m_red, m_green, m_blue);
-*/
 }
 
 wxColour::~wxColour ()
 {
 }
 
-wxColour& wxColour::operator = (const wxString& col)
-{
-    wxColour *the_colour = wxTheColourDatabase->FindColour (col);
-    if (the_colour)
-    {
-        m_red = the_colour->Red ();
-        m_green = the_colour->Green ();
-        m_blue = the_colour->Blue ();
-        m_isInit = TRUE;
-    }
-    else
-    {
-        m_red = 0;
-        m_green = 0;
-        m_blue = 0;
-        m_isInit = FALSE;
-    }
-/* TODO
-    m_pixel = PALETTERGB (m_red, m_green, m_blue);
-*/
-    return (*this);
-}
-
 void wxColour::Set (unsigned char r, unsigned char g, unsigned char b)
 {
     m_red = r;
     m_green = g;
     m_blue = b;
     m_isInit = TRUE;
-/* TODO
-    m_pixel = PALETTERGB (m_red, m_green, m_blue);
-*/
+    m_pixel = -1;
 }
 
 // Allocate a colour, or nearest colour, using the given display.
 // If realloc is TRUE, ignore the existing pixel, otherwise just return
 // the existing one.
-// Returns FALSE if an exact match was not found, TRUE otherwise.
+// Returns the old or allocated pixel.
 
 // TODO: can this handle mono displays? If not, we should have an extra
 // flag to specify whether this should be black or white by default.
 
-bool wxColour::AllocColour(WXDisplay* display, bool realloc)
+int wxColour::AllocColour(WXDisplay* display, bool realloc)
 {
     if ((m_pixel != -1) && !realloc)
-       return TRUE;
-
+        return m_pixel;
+    
     XColor color;
     color.red = (unsigned short) Red ();
     color.red |= color.red << 8;
@@ -145,20 +122,20 @@ bool wxColour::AllocColour(WXDisplay* display, bool realloc)
     color.green |= color.green << 8;
     color.blue = (unsigned short) Blue ();
     color.blue |= color.blue << 8;
-
+    
     color.flags = DoRed | DoGreen | DoBlue;
-
+    
     WXColormap cmap = wxTheApp->GetMainColormap(display);
-
+    
     if (!XAllocColor ((Display*) display, (Colormap) cmap, &color))
     {
-       m_pixel = wxGetBestMatchingPixel((Display*) display, &color,(Colormap) cmap);
-       return FALSE;
+        m_pixel = wxGetBestMatchingPixel((Display*) display, &color,(Colormap) cmap);
+        return m_pixel;
     }
     else
     {
-       m_pixel = (int) color.pixel;
-       return TRUE;
+        m_pixel = (int) color.pixel;
+        return m_pixel;
     }
 }
 
@@ -173,30 +150,30 @@ But in many cases, that is still better than always using black.
 Chris Breeze <chris@hel.co.uk>
 Improvements:
 1) More efficient calculation of RGB distance of colour cell from
-   the desired colour. There is no need to take the sqrt of 'dist', and
-   since we are only interested in the top 8-bits of R, G and B we
-   can perform integer arithmetic.
+the desired colour. There is no need to take the sqrt of 'dist', and
+since we are only interested in the top 8-bits of R, G and B we
+can perform integer arithmetic.
 2) Attempt to allocate a read-only colour when a close match is found.
-   A read-only colour will not change.
+A read-only colour will not change.
 3) Fall back to the closest match if no read-only colours are available.
 
-Possible further improvements:
-1) Scan the lookup table and sort the colour cells in order of
-increasing
-   distance from the desired colour. Then attempt to allocate a
-read-only
-   colour starting from the nearest match.
-2) Linear RGB distance is not a particularly good method of colour
-matching
-   (though it is quick). Converting the colour to HLS and then comparing
-   may give better matching.
+  Possible further improvements:
+  1) Scan the lookup table and sort the colour cells in order of
+  increasing
+  distance from the desired colour. Then attempt to allocate a
+  read-only
+  colour starting from the nearest match.
+  2) Linear RGB distance is not a particularly good method of colour
+  matching
+  (though it is quick). Converting the colour to HLS and then comparing
+  may give better matching.
 -------------------------------------------*/
 
 int wxGetBestMatchingPixel(Display *display, XColor *desiredColor, Colormap cmap)
 {
     if (cmap == (Colormap) NULL)
-      cmap = (Colormap) wxTheApp->GetMainColormap(display);
-
+        cmap = (Colormap) wxTheApp->GetMainColormap(display);
+    
     int numPixVals = XDisplayCells(display, DefaultScreen (display));
     int mindist = 256 * 256 * 3;
     int bestpixel = (int) BlackPixel (display, DefaultScreen (display));
@@ -204,21 +181,21 @@ int wxGetBestMatchingPixel(Display *display, XColor *desiredColor, Colormap cmap
     int green = desiredColor->green >> 8;
     int blue = desiredColor->blue >> 8;
     const int threshold = 2 * 2 * 3;    // allow an error of up to 2 in R,G & B
-
+    
     for (int pixelcount = 0; pixelcount < numPixVals; pixelcount++)
     {
         XColor matching_color;
         matching_color.pixel = pixelcount;
         XQueryColor(display,cmap,&matching_color);
-
+        
         int delta_red = red - (matching_color.red >> 8);
         int delta_green = green - (matching_color.green >> 8);
         int delta_blue = blue - (matching_color.blue >> 8);
-
+        
         int dist = delta_red * delta_red +
-                   delta_green * delta_green +
-                   delta_blue * delta_blue;
-
+            delta_green * delta_green +
+            delta_blue * delta_blue;
+        
         if (dist <= threshold)
         {
             // try to allocate a read-only colour...