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1c193821a999730fbf6a9bea83763f37daae68f1
wxWidgets/src/common/gdicmn.cpp
Julian Smart 1c193821a9 More WinCE mods. 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21890 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2003-07-11 11:21:47 +00:00

861 lines
23 KiB
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/////////////////////////////////////////////////////////////////////////////
// Name: gdicmn.cpp
// Purpose: Common GDI classes
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "gdicmn.h"
#endif
#ifdef __VMS
#define XtDisplay XTDISPLAY
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "wx/event.h"
#include "wx/gdicmn.h"
#include "wx/brush.h"
#include "wx/pen.h"
#include "wx/bitmap.h"
#include "wx/icon.h"
#include "wx/cursor.h"
#include "wx/font.h"
#include "wx/palette.h"
#include "wx/app.h"
#include "wx/dc.h"
#include "wx/utils.h"
#include "wx/settings.h"
#include "wx/hashmap.h"
#include "wx/log.h"
#include <string.h>
#ifdef __WXMSW__
#include <windows.h>
#endif
#ifdef __WXMOTIF__
#ifdef __VMS__
#pragma message disable nosimpint
#endif
#include <Xm/Xm.h>
#ifdef __VMS__
#pragma message enable nosimpint
#endif
#endif
#ifdef __WXX11__
#include "X11/Xlib.h"
#endif
#ifdef __WXMAC__
#include "wx/mac/private.h"
#include "wx/mac/uma.h"
#endif
//IMPLEMENT_CLASS(wxColourDatabase, wxList)
//IMPLEMENT_DYNAMIC_CLASS(wxFontList, wxList)
//IMPLEMENT_DYNAMIC_CLASS(wxPenList, wxList)
//IMPLEMENT_DYNAMIC_CLASS(wxBrushList, wxList)
//IMPLEMENT_DYNAMIC_CLASS(wxBitmapList, wxList)
//IMPLEMENT_DYNAMIC_CLASS(wxResourceCache, wxList)
IMPLEMENT_ABSTRACT_CLASS(wxDCBase, wxObject)
wxRect::wxRect(const wxPoint& topLeft, const wxPoint& bottomRight)
{
x = topLeft.x;
y = topLeft.y;
width = bottomRight.x - topLeft.x + 1;
height = bottomRight.y - topLeft.y + 1;
if (width < 0)
{
width = -width;
x -= width;
}
if (height < 0)
{
height = -height;
y -= height;
}
}
wxRect::wxRect(const wxPoint& point, const wxSize& size)
{
x = point.x; y = point.y;
width = size.x; height = size.y;
}
bool wxRect::operator==(const wxRect& rect) const
{
return ((x == rect.x) &&
(y == rect.y) &&
(width == rect.width) &&
(height == rect.height));
}
wxRect& wxRect::operator += (const wxRect& rect)
{
*this = (*this + rect);
return ( *this ) ;
}
wxRect wxRect::operator + (const wxRect& rect) const
{
int x1 = wxMin(this->x, rect.x);
int y1 = wxMin(this->y, rect.y);
int y2 = wxMax(y+height, rect.height+rect.y);
int x2 = wxMax(x+width, rect.width+rect.x);
return wxRect(x1, y1, x2-x1, y2-y1);
}
wxRect& wxRect::Inflate(wxCoord dx, wxCoord dy)
{
x -= dx;
y -= dy;
width += 2*dx;
height += 2*dy;
// check that we didn't make the rectangle invalid by accident (you almost
// never want to have negative coords and never want negative size)
if ( x < 0 )
x = 0;
if ( y < 0 )
y = 0;
// what else can we do?
if ( width < 0 )
width = 0;
if ( height < 0 )
height = 0;
return *this;
}
bool wxRect::Inside(int cx, int cy) const
{
return ( (cx >= x) && (cy >= y)
&& ((cy - y) < height)
&& ((cx - x) < width)
);
}
wxRect& wxRect::Intersect(const wxRect& rect)
{
int x2 = GetRight(),
y2 = GetBottom();
if ( x < rect.x )
x = rect.x;
if ( y < rect.y )
y = rect.y;
if ( x2 > rect.GetRight() )
x2 = rect.GetRight();
if ( y2 > rect.GetBottom() )
y2 = rect.GetBottom();
width = x2 - x + 1;
height = y2 - y + 1;
if ( width <= 0 || height <= 0 )
{
width =
height = 0;
}
return *this;
}
bool wxRect::Intersects(const wxRect& rect) const
{
wxRect r = Intersect(rect);
// if there is no intersection, both width and height are 0
return r.width != 0;
}
WX_DECLARE_STRING_HASH_MAP( wxColour*, wxStringToColourHashMap );
wxColourDatabase::wxColourDatabase ()
{
m_map = new wxStringToColourHashMap;
}
wxColourDatabase::~wxColourDatabase ()
{
typedef wxStringToColourHashMap::iterator iterator;
for( iterator it = m_map->begin(), en = m_map->end(); it != en; ++it )
delete it->second;
delete m_map;
m_map = NULL;
#ifdef __WXPM__
delete [] m_palTable;
#endif
}
// Colour database stuff
void wxColourDatabase::Initialize ()
{
static const struct wxColourDesc
{
const wxChar *name;
int r,g,b;
}
wxColourTable[] =
{
{wxT("AQUAMARINE"),112, 219, 147},
{wxT("BLACK"),0, 0, 0},
{wxT("BLUE"), 0, 0, 255},
{wxT("BLUE VIOLET"), 159, 95, 159},
{wxT("BROWN"), 165, 42, 42},
{wxT("CADET BLUE"), 95, 159, 159},
{wxT("CORAL"), 255, 127, 0},
{wxT("CORNFLOWER BLUE"), 66, 66, 111},
{wxT("CYAN"), 0, 255, 255},
{wxT("DARK GREY"), 47, 47, 47}, // ?
{wxT("DARK GREEN"), 47, 79, 47},
{wxT("DARK OLIVE GREEN"), 79, 79, 47},
{wxT("DARK ORCHID"), 153, 50, 204},
{wxT("DARK SLATE BLUE"), 107, 35, 142},
{wxT("DARK SLATE GREY"), 47, 79, 79},
{wxT("DARK TURQUOISE"), 112, 147, 219},
{wxT("DIM GREY"), 84, 84, 84},
{wxT("FIREBRICK"), 142, 35, 35},
{wxT("FOREST GREEN"), 35, 142, 35},
{wxT("GOLD"), 204, 127, 50},
{wxT("GOLDENROD"), 219, 219, 112},
{wxT("GREY"), 128, 128, 128},
{wxT("GREEN"), 0, 255, 0},
{wxT("GREEN YELLOW"), 147, 219, 112},
{wxT("INDIAN RED"), 79, 47, 47},
{wxT("KHAKI"), 159, 159, 95},
{wxT("LIGHT BLUE"), 191, 216, 216},
{wxT("LIGHT GREY"), 192, 192, 192},
{wxT("LIGHT STEEL BLUE"), 143, 143, 188},
{wxT("LIME GREEN"), 50, 204, 50},
{wxT("LIGHT MAGENTA"), 255, 0, 255},
{wxT("MAGENTA"), 255, 0, 255},
{wxT("MAROON"), 142, 35, 107},
{wxT("MEDIUM AQUAMARINE"), 50, 204, 153},
{wxT("MEDIUM GREY"), 100, 100, 100},
{wxT("MEDIUM BLUE"), 50, 50, 204},
{wxT("MEDIUM FOREST GREEN"), 107, 142, 35},
{wxT("MEDIUM GOLDENROD"), 234, 234, 173},
{wxT("MEDIUM ORCHID"), 147, 112, 219},
{wxT("MEDIUM SEA GREEN"), 66, 111, 66},
{wxT("MEDIUM SLATE BLUE"), 127, 0, 255},
{wxT("MEDIUM SPRING GREEN"), 127, 255, 0},
{wxT("MEDIUM TURQUOISE"), 112, 219, 219},
{wxT("MEDIUM VIOLET RED"), 219, 112, 147},
{wxT("MIDNIGHT BLUE"), 47, 47, 79},
{wxT("NAVY"), 35, 35, 142},
{wxT("ORANGE"), 204, 50, 50},
{wxT("ORANGE RED"), 255, 0, 127},
{wxT("ORCHID"), 219, 112, 219},
{wxT("PALE GREEN"), 143, 188, 143},
{wxT("PINK"), 188, 143, 234},
{wxT("PLUM"), 234, 173, 234},
{wxT("PURPLE"), 176, 0, 255},
{wxT("RED"), 255, 0, 0},
{wxT("SALMON"), 111, 66, 66},
{wxT("SEA GREEN"), 35, 142, 107},
{wxT("SIENNA"), 142, 107, 35},
{wxT("SKY BLUE"), 50, 153, 204},
{wxT("SLATE BLUE"), 0, 127, 255},
{wxT("SPRING GREEN"), 0, 255, 127},
{wxT("STEEL BLUE"), 35, 107, 142},
{wxT("TAN"), 219, 147, 112},
{wxT("THISTLE"), 216, 191, 216},
{wxT("TURQUOISE"), 173, 234, 234},
{wxT("VIOLET"), 79, 47, 79},
{wxT("VIOLET RED"), 204, 50, 153},
{wxT("WHEAT"), 216, 216, 191},
{wxT("WHITE"), 255, 255, 255},
{wxT("YELLOW"), 255, 255, 0},
{wxT("YELLOW GREEN"), 153, 204, 50},
{wxT("MEDIUM GOLDENROD"), 234, 234, 173},
{wxT("MEDIUM FOREST GREEN"), 107, 142, 35},
{wxT("LIGHT MAGENTA"), 255, 0, 255},
{wxT("MEDIUM GREY"), 100, 100, 100},
};
size_t n;
for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
{
const wxColourDesc& cc = wxColourTable[n];
(*m_map)[cc.name] = new wxColour(cc.r,cc.g,cc.b);
}
#ifdef __WXPM__
m_palTable = new long[n];
for ( n = 0; n < WXSIZEOF(wxColourTable); n++ )
{
const wxColourDesc& cc = wxColourTable[n];
m_palTable[n] = OS2RGB(cc.r,cc.g,cc.b);
}
m_nSize = n;
#endif
}
/*
* Changed by Ian Brown, July 1994.
*
* When running under X, the Colour Database starts off empty. The X server
* is queried for the colour first time after which it is entered into the
* database. This allows our client to use the server colour database which
* is hopefully gamma corrected for the display being used.
*/
wxColour *wxColourDatabase::FindColour(const wxString& colour)
{
return FindColour(colour, true);
}
wxColour *wxColourDatabase::FindColourNoAdd(const wxString& colour) const
{
return ((wxColourDatabase*)this)->FindColour(colour, false);
}
wxColour *wxColourDatabase::FindColour(const wxString& colour, bool add)
{
// VZ: make the comparaison case insensitive and also match both grey and
// gray
wxString colName = colour;
colName.MakeUpper();
wxString colName2 = colName;
if ( !colName2.Replace(_T("GRAY"), _T("GREY")) )
colName2.clear();
wxStringToColourHashMap::iterator it = m_map->find(colName);
if ( it == m_map->end() )
it = m_map->find(colName2);
if ( it != m_map->end() )
return it->second;
if ( !add )
return NULL;
#ifdef __WXMSW__
return NULL;
#endif
#ifdef __WXPM__
return NULL;
#endif
#ifdef __WXMGL__
return NULL;
#endif
// TODO for other implementations. This should really go into
// platform-specific directories.
#ifdef __WXMAC__
return NULL;
#endif
#ifdef __WXCOCOA__
return NULL;
#endif
#ifdef __WXSTUBS__
return NULL;
#endif
#ifdef __WXGTK__
wxColour *col = new wxColour( colour );
if (!(col->Ok()))
{
delete col;
return (wxColour *) NULL;
}
(*m_map)[colour] = col;
return col;
#endif
#ifdef __X__
XColor xcolour;
#ifdef __WXMOTIF__
Display *display = XtDisplay((Widget) wxTheApp->GetTopLevelWidget()) ;
#endif
#ifdef __WXX11__
Display* display = (Display*) wxGetDisplay();
#endif
/* MATTHEW: [4] Use wxGetMainColormap */
if (!XParseColor(display, (Colormap) wxTheApp->GetMainColormap((WXDisplay*) display), colour.ToAscii() ,&xcolour))
return NULL;
#if wxUSE_NANOX
unsigned char r = (unsigned char)(xcolour.red);
unsigned char g = (unsigned char)(xcolour.green);
unsigned char b = (unsigned char)(xcolour.blue);
#else
unsigned char r = (unsigned char)(xcolour.red >> 8);
unsigned char g = (unsigned char)(xcolour.green >> 8);
unsigned char b = (unsigned char)(xcolour.blue >> 8);
#endif
wxColour *col = new wxColour(r, g, b);
(*m_map)[colour] = col;
return col;
#endif // __X__
}
wxString wxColourDatabase::FindName (const wxColour& colour) const
{
unsigned char red = colour.Red ();
unsigned char green = colour.Green ();
unsigned char blue = colour.Blue ();
typedef wxStringToColourHashMap::iterator iterator;
for (iterator it = m_map->begin(), en = m_map->end(); it != en; ++it )
{
wxColour *col = it->second;
if (col->Red () == red && col->Green () == green && col->Blue () == blue)
return it->first;
}
return wxEmptyString;
}
void wxInitializeStockLists()
{
wxTheColourDatabase = new wxColourDatabase;
wxTheColourDatabase->Initialize();
wxTheBrushList = new wxBrushList;
wxThePenList = new wxPenList;
wxTheFontList = new wxFontList;
wxTheBitmapList = new wxBitmapList;
}
void wxInitializeStockObjects ()
{
#ifdef __WXMOTIF__
#endif
#ifdef __X__
// TODO
// wxFontPool = new XFontPool;
#endif
// why under MSW fonts shouldn't have the standard system size?
/*
#ifdef __WXMSW__
static const int sizeFont = 10;
#else
#endif
*/
#if defined(__WXMAC__)
int sizeFont = 12;
Str255 fontName ;
SInt16 fontSize ;
Style fontStyle ;
GetThemeFont(kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
sizeFont = fontSize ;
wxSWISS_FONT = new wxFont (fontSize, wxSWISS, wxNORMAL, wxNORMAL , false , wxMacMakeStringFromPascal(fontName) );
#elif defined(__WXPM__)
static const int sizeFont = 12;
#else
wxNORMAL_FONT = new wxFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
static const int sizeFont = wxNORMAL_FONT->GetPointSize();
#endif
#if defined(__WXPM__)
/*
// Basic OS/2 has a fairly limited number of fonts and these are as good
// as I can do to get something that looks halfway "wx" normal
*/
wxNORMAL_FONT = new wxFont (sizeFont, wxMODERN, wxNORMAL, wxBOLD);
wxSMALL_FONT = new wxFont (sizeFont - 4, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL); /* Helv */
#elif defined(__WXMAC__)
wxNORMAL_FONT = new wxFont (sizeFont, wxMODERN, wxNORMAL, wxNORMAL);
wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
wxSMALL_FONT = new wxFont (fontSize, wxSWISS, wxNORMAL, wxNORMAL , false , wxMacMakeStringFromPascal( fontName ) );
#else
wxSMALL_FONT = new wxFont (sizeFont - 2, wxSWISS, wxNORMAL, wxNORMAL);
wxITALIC_FONT = new wxFont (sizeFont, wxROMAN, wxITALIC, wxNORMAL);
wxSWISS_FONT = new wxFont (sizeFont, wxSWISS, wxNORMAL, wxNORMAL);
#endif
wxRED_PEN = new wxPen (wxT("RED"), 1, wxSOLID);
wxCYAN_PEN = new wxPen (wxT("CYAN"), 1, wxSOLID);
wxGREEN_PEN = new wxPen (wxT("GREEN"), 1, wxSOLID);
wxBLACK_PEN = new wxPen (wxT("BLACK"), 1, wxSOLID);
wxWHITE_PEN = new wxPen (wxT("WHITE"), 1, wxSOLID);
wxTRANSPARENT_PEN = new wxPen (wxT("BLACK"), 1, wxTRANSPARENT);
wxBLACK_DASHED_PEN = new wxPen (wxT("BLACK"), 1, wxSHORT_DASH);
wxGREY_PEN = new wxPen (wxT("GREY"), 1, wxSOLID);
wxMEDIUM_GREY_PEN = new wxPen (wxT("MEDIUM GREY"), 1, wxSOLID);
wxLIGHT_GREY_PEN = new wxPen (wxT("LIGHT GREY"), 1, wxSOLID);
wxBLUE_BRUSH = new wxBrush (wxT("BLUE"), wxSOLID);
wxGREEN_BRUSH = new wxBrush (wxT("GREEN"), wxSOLID);
wxWHITE_BRUSH = new wxBrush (wxT("WHITE"), wxSOLID);
wxBLACK_BRUSH = new wxBrush (wxT("BLACK"), wxSOLID);
wxTRANSPARENT_BRUSH = new wxBrush (wxT("BLACK"), wxTRANSPARENT);
wxCYAN_BRUSH = new wxBrush (wxT("CYAN"), wxSOLID);
wxRED_BRUSH = new wxBrush (wxT("RED"), wxSOLID);
wxGREY_BRUSH = new wxBrush (wxT("GREY"), wxSOLID);
wxMEDIUM_GREY_BRUSH = new wxBrush (wxT("MEDIUM GREY"), wxSOLID);
wxLIGHT_GREY_BRUSH = new wxBrush (wxT("LIGHT GREY"), wxSOLID);
wxBLACK = new wxColour (wxT("BLACK"));
wxWHITE = new wxColour (wxT("WHITE"));
wxRED = new wxColour (wxT("RED"));
wxBLUE = new wxColour (wxT("BLUE"));
wxGREEN = new wxColour (wxT("GREEN"));
wxCYAN = new wxColour (wxT("CYAN"));
wxLIGHT_GREY = new wxColour (wxT("LIGHT GREY"));
wxSTANDARD_CURSOR = new wxCursor (wxCURSOR_ARROW);
wxHOURGLASS_CURSOR = new wxCursor (wxCURSOR_WAIT);
wxCROSS_CURSOR = new wxCursor (wxCURSOR_CROSS);
}
void wxDeleteStockObjects ()
{
wxDELETE(wxNORMAL_FONT);
wxDELETE(wxSMALL_FONT);
wxDELETE(wxITALIC_FONT);
wxDELETE(wxSWISS_FONT);
wxDELETE(wxRED_PEN);
wxDELETE(wxCYAN_PEN);
wxDELETE(wxGREEN_PEN);
wxDELETE(wxBLACK_PEN);
wxDELETE(wxWHITE_PEN);
wxDELETE(wxTRANSPARENT_PEN);
wxDELETE(wxBLACK_DASHED_PEN);
wxDELETE(wxGREY_PEN);
wxDELETE(wxMEDIUM_GREY_PEN);
wxDELETE(wxLIGHT_GREY_PEN);
wxDELETE(wxBLUE_BRUSH);
wxDELETE(wxGREEN_BRUSH);
wxDELETE(wxWHITE_BRUSH);
wxDELETE(wxBLACK_BRUSH);
wxDELETE(wxTRANSPARENT_BRUSH);
wxDELETE(wxCYAN_BRUSH);
wxDELETE(wxRED_BRUSH);
wxDELETE(wxGREY_BRUSH);
wxDELETE(wxMEDIUM_GREY_BRUSH);
wxDELETE(wxLIGHT_GREY_BRUSH);
wxDELETE(wxBLACK);
wxDELETE(wxWHITE);
wxDELETE(wxRED);
wxDELETE(wxBLUE);
wxDELETE(wxGREEN);
wxDELETE(wxCYAN);
wxDELETE(wxLIGHT_GREY);
wxDELETE(wxSTANDARD_CURSOR);
wxDELETE(wxHOURGLASS_CURSOR);
wxDELETE(wxCROSS_CURSOR);
}
void wxDeleteStockLists()
{
wxDELETE(wxTheBrushList);
wxDELETE(wxThePenList);
wxDELETE(wxTheFontList);
wxDELETE(wxTheBitmapList);
}
// ============================================================================
// wxTheXXXList stuff (semi-obsolete)
// ============================================================================
wxBitmapList::wxBitmapList()
{
}
wxBitmapList::~wxBitmapList ()
{
wxList::compatibility_iterator node = GetFirst ();
while (node)
{
wxBitmap *bitmap = (wxBitmap *) node->GetData ();
wxList::compatibility_iterator next = node->GetNext ();
if (bitmap->GetVisible())
delete bitmap;
node = next;
}
}
// Pen and Brush lists
wxPenList::~wxPenList ()
{
wxList::compatibility_iterator node = GetFirst ();
while (node)
{
wxPen *pen = (wxPen *) node->GetData ();
wxList::compatibility_iterator next = node->GetNext ();
if (pen->GetVisible())
delete pen;
node = next;
}
}
void wxPenList::AddPen (wxPen * pen)
{
Append (pen);
}
void wxPenList::RemovePen (wxPen * pen)
{
DeleteObject (pen);
}
wxPen *wxPenList::FindOrCreatePen (const wxColour& colour, int width, int style)
{
for (wxList::compatibility_iterator node = GetFirst (); node; node = node->GetNext ())
{
wxPen *each_pen = (wxPen *) node->GetData ();
if (each_pen &&
each_pen->GetVisible() &&
each_pen->GetWidth () == width &&
each_pen->GetStyle () == style &&
each_pen->GetColour ().Red () == colour.Red () &&
each_pen->GetColour ().Green () == colour.Green () &&
each_pen->GetColour ().Blue () == colour.Blue ())
return each_pen;
}
wxPen *pen = new wxPen (colour, width, style);
if ( !pen->Ok() )
{
// don't save the invalid pens in the list
delete pen;
return NULL;
}
AddPen(pen);
// we'll delete it ourselves later
pen->SetVisible(TRUE);
return pen;
}
wxBrushList::~wxBrushList ()
{
wxList::compatibility_iterator node = GetFirst ();
while (node)
{
wxBrush *brush = (wxBrush *) node->GetData ();
wxList::compatibility_iterator next = node->GetNext ();
if (brush && brush->GetVisible())
delete brush;
node = next;
}
}
void wxBrushList::AddBrush (wxBrush * brush)
{
Append (brush);
}
wxBrush *wxBrushList::FindOrCreateBrush (const wxColour& colour, int style)
{
for (wxList::compatibility_iterator node = GetFirst (); node; node = node->GetNext ())
{
wxBrush *each_brush = (wxBrush *) node->GetData ();
if (each_brush &&
each_brush->GetVisible() &&
each_brush->GetStyle () == style &&
each_brush->GetColour ().Red () == colour.Red () &&
each_brush->GetColour ().Green () == colour.Green () &&
each_brush->GetColour ().Blue () == colour.Blue ())
return each_brush;
}
wxBrush *brush = new wxBrush (colour, style);
if ( !brush->Ok() )
{
// don't put the brushes we failed to create into the list
delete brush;
return NULL;
}
AddBrush(brush);
// we'll delete it ourselves later
brush->SetVisible(TRUE);
return brush;
}
void wxBrushList::RemoveBrush (wxBrush * brush)
{
DeleteObject (brush);
}
wxFontList::~wxFontList ()
{
wxList::compatibility_iterator node = GetFirst ();
while (node)
{
// Only delete objects that are 'visible', i.e.
// that have been created using FindOrCreate...,
// where the pointers are expected to be shared
// (and therefore not deleted by any one part of an app).
wxFont *font = (wxFont *) node->GetData ();
wxList::compatibility_iterator next = node->GetNext ();
if (font->GetVisible())
delete font;
node = next;
}
}
void wxFontList::AddFont (wxFont * font)
{
Append (font);
}
void wxFontList::RemoveFont (wxFont * font)
{
DeleteObject (font);
}
wxFont *wxFontList::FindOrCreateFont(int pointSize,
int family,
int style,
int weight,
bool underline,
const wxString& facename,
wxFontEncoding encoding)
{
wxFont *font = (wxFont *)NULL;
wxList::compatibility_iterator node;
for ( node = GetFirst(); node; node = node->GetNext() )
{
font = (wxFont *)node->GetData();
if ( font->GetVisible() &&
font->Ok() &&
font->GetPointSize () == pointSize &&
font->GetStyle () == style &&
font->GetWeight () == weight &&
font->GetUnderlined () == underline )
{
int fontFamily = font->GetFamily();
#if defined(__WXGTK__)
// under GTK the default family is wxSWISS, so looking for a font
// with wxDEFAULT family should return a wxSWISS one instead of
// creating a new one
bool same = (fontFamily == family) ||
(fontFamily == wxSWISS && family == wxDEFAULT);
#else // !GTK
// VZ: but why elsewhere do we require an exact match? mystery...
bool same = fontFamily == family;
#endif // GTK/!GTK
// empty facename matches anything at all: this is bad because
// depending on which fonts are already created, we might get back
// a different font if we create it with empty facename, but it is
// still better than never matching anything in the cache at all
// in this case
if ( same && !!facename )
{
const wxString& fontFace = font->GetFaceName();
// empty facename matches everything
same = !fontFace || fontFace == facename;
}
if ( same && (encoding != wxFONTENCODING_DEFAULT) )
{
// have to match the encoding too
same = font->GetEncoding() == encoding;
}
if ( same )
{
return font;
}
}
}
if ( !node )
{
// font not found, create the new one
font = new wxFont(pointSize, family, style, weight,
underline, facename, encoding);
AddFont(font);
// and mark it as being cacheable
font->SetVisible(TRUE);
}
return font;
}
void wxBitmapList::AddBitmap(wxBitmap *bitmap)
{
Append(bitmap);
}
void wxBitmapList::RemoveBitmap(wxBitmap *bitmap)
{
DeleteObject(bitmap);
}
wxSize wxGetDisplaySize()
{
int x, y;
wxDisplaySize(& x, & y);
return wxSize(x, y);
}
wxRect wxGetClientDisplayRect()
{
int x, y, width, height;
wxClientDisplayRect(&x, &y, &width, &height); // call plat-specific version
return wxRect(x, y, width, height);
}
wxSize wxGetDisplaySizeMM()
{
int x, y;
wxDisplaySizeMM(& x, & y);
return wxSize(x, y);
}
wxResourceCache::~wxResourceCache ()
{
wxList::compatibility_iterator node = GetFirst ();
while (node) {
wxObject *item = (wxObject *)node->GetData();
delete item;
node = node->GetNext ();
}
}
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