X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/338dd992160bf20205743c092b353d96ef7604fb..3c86150dd768b4e490b603227de28aa57275ee4b:/src/motif/colour.cpp diff --git a/src/motif/colour.cpp b/src/motif/colour.cpp index 94063c0cfc..17a8a4e72b 100644 --- a/src/motif/colour.cpp +++ b/src/motif/colour.cpp @@ -12,10 +12,13 @@ //// TODO: make wxColour a ref-counted object, //// so pixel values get shared. -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "colour.h" #endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + #include "wx/gdicmn.h" #include "wx/colour.h" #include "wx/app.h" @@ -30,35 +33,27 @@ #include "wx/motif/private.h" -#if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxColour, wxObject) -#endif // Colour -wxColour::wxColour () +void wxColour::Init() { - m_isInit = FALSE; - m_red = m_blue = m_green = 0; + m_isInit = false; + m_red = + m_blue = + m_green = 0; m_pixel = -1; } -wxColour::wxColour (unsigned char r, unsigned char g, unsigned char b) +wxColour::wxColour() { - m_red = r; - m_green = g; - m_blue = b; - m_isInit = TRUE; - m_pixel = -1; + Init(); } -wxColour::wxColour (const wxColour& col) +wxColour::wxColour(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; + *this = col; } wxColour& wxColour::operator =(const wxColour& col) @@ -71,41 +66,57 @@ wxColour& wxColour::operator =(const wxColour& col) return *this; } -void wxColour::InitFromName(const wxString& col) +void wxColour::InitFromName(const wxString& name) { - wxColour *the_colour = wxTheColourDatabase->FindColour (col); - if (the_colour) + if ( wxTheColourDatabase ) { - m_red = the_colour->Red (); - m_green = the_colour->Green (); - m_blue = the_colour->Blue (); - m_pixel = the_colour->m_pixel; - m_isInit = TRUE; + wxColour col = wxTheColourDatabase->Find(name); + if ( col.Ok() ) + { + *this = col; + return; + } } - else + + // leave invalid + Init(); +} + +/* static */ +wxColour wxColour::CreateByName(const wxString& name) +{ + wxColour col; + + Display *dpy = wxGlobalDisplay(); + WXColormap colormap = wxTheApp->GetMainColormap( dpy ); + XColor xcol; + if ( XParseColor( dpy, (Colormap)colormap, name.mb_str(), &xcol ) ) { - m_red = 0; - m_green = 0; - m_blue = 0; - m_isInit = FALSE; + col.m_red = xcol.red & 0xff; + col.m_green = xcol.green & 0xff; + col.m_blue = xcol.blue & 0xff; + col.m_isInit = TRUE; + col.m_pixel = -1; } + + return col; } -wxColour::~wxColour () +wxColour::~wxColour() { } -void wxColour::Set (unsigned char r, unsigned char g, unsigned char b) +void wxColour::Set(unsigned char r, unsigned char g, unsigned char b) { m_red = r; m_green = g; m_blue = b; - m_isInit = TRUE; + m_isInit = true; m_pixel = -1; } // Allocate a colour, or nearest colour, using the given display. -// If realloc is TRUE, ignore the existing pixel, otherwise just return +// If realloc is true, ignore the existing pixel, otherwise just return // the existing one. // Returns the old or allocated pixel. @@ -116,7 +127,7 @@ int wxColour::AllocColour(WXDisplay* display, bool realloc) { if ((m_pixel != -1) && !realloc) return m_pixel; - + XColor color; color.red = (unsigned short) Red (); color.red |= color.red << 8; @@ -124,11 +135,11 @@ int 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); @@ -175,7 +186,7 @@ int wxGetBestMatchingPixel(Display *display, XColor *desiredColor, Colormap cmap { if (cmap == (Colormap) NULL) cmap = (Colormap) wxTheApp->GetMainColormap(display); - + int numPixVals = XDisplayCells(display, DefaultScreen (display)); int mindist = 256 * 256 * 3; int bestpixel = (int) BlackPixel (display, DefaultScreen (display)); @@ -183,21 +194,21 @@ 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; - + if (dist <= threshold) { // try to allocate a read-only colour...