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wxWidgets/include/wx/gdicmn.h

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/gdicmn.h
// Purpose: Common GDI classes, types and declarations
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GDICMNH__
#define _WX_GDICMNH__
// ---------------------------------------------------------------------------
// headers
// ---------------------------------------------------------------------------
#include "wx/defs.h"
#include "wx/list.h"
#include "wx/string.h"
#include "wx/fontenc.h"
#include "wx/hashmap.h"
#include "wx/math.h"
// ---------------------------------------------------------------------------
// forward declarations
// ---------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxBitmap;
class WXDLLIMPEXP_CORE wxBrush;
class WXDLLIMPEXP_CORE wxColour;
class WXDLLIMPEXP_CORE wxCursor;
class WXDLLIMPEXP_CORE wxFont;
class WXDLLIMPEXP_CORE wxIcon;
class WXDLLIMPEXP_CORE wxPalette;
class WXDLLIMPEXP_CORE wxPen;
class WXDLLIMPEXP_CORE wxRegion;
class WXDLLIMPEXP_BASE wxString;
// ---------------------------------------------------------------------------
// constants
// ---------------------------------------------------------------------------
// Bitmap flags
enum wxBitmapType
{
wxBITMAP_TYPE_INVALID, // should be == 0 for compatibility!
wxBITMAP_TYPE_BMP,
wxBITMAP_TYPE_BMP_RESOURCE,
wxBITMAP_TYPE_RESOURCE = wxBITMAP_TYPE_BMP_RESOURCE,
wxBITMAP_TYPE_ICO,
wxBITMAP_TYPE_ICO_RESOURCE,
wxBITMAP_TYPE_CUR,
wxBITMAP_TYPE_CUR_RESOURCE,
wxBITMAP_TYPE_XBM,
wxBITMAP_TYPE_XBM_DATA,
wxBITMAP_TYPE_XPM,
wxBITMAP_TYPE_XPM_DATA,
wxBITMAP_TYPE_TIF,
wxBITMAP_TYPE_TIF_RESOURCE,
wxBITMAP_TYPE_GIF,
wxBITMAP_TYPE_GIF_RESOURCE,
wxBITMAP_TYPE_PNG,
wxBITMAP_TYPE_PNG_RESOURCE,
wxBITMAP_TYPE_JPEG,
wxBITMAP_TYPE_JPEG_RESOURCE,
wxBITMAP_TYPE_PNM,
wxBITMAP_TYPE_PNM_RESOURCE,
wxBITMAP_TYPE_PCX,
wxBITMAP_TYPE_PCX_RESOURCE,
wxBITMAP_TYPE_PICT,
wxBITMAP_TYPE_PICT_RESOURCE,
wxBITMAP_TYPE_ICON,
wxBITMAP_TYPE_ICON_RESOURCE,
wxBITMAP_TYPE_ANI,
wxBITMAP_TYPE_IFF,
wxBITMAP_TYPE_MACCURSOR,
wxBITMAP_TYPE_MACCURSOR_RESOURCE,
wxBITMAP_TYPE_ANY = 50
};
// Standard cursors
enum wxStockCursor
{
wxCURSOR_NONE, // should be 0
wxCURSOR_ARROW,
wxCURSOR_RIGHT_ARROW,
wxCURSOR_BULLSEYE,
wxCURSOR_CHAR,
wxCURSOR_CROSS,
wxCURSOR_HAND,
wxCURSOR_IBEAM,
wxCURSOR_LEFT_BUTTON,
wxCURSOR_MAGNIFIER,
wxCURSOR_MIDDLE_BUTTON,
wxCURSOR_NO_ENTRY,
wxCURSOR_PAINT_BRUSH,
wxCURSOR_PENCIL,
wxCURSOR_POINT_LEFT,
wxCURSOR_POINT_RIGHT,
wxCURSOR_QUESTION_ARROW,
wxCURSOR_RIGHT_BUTTON,
wxCURSOR_SIZENESW,
wxCURSOR_SIZENS,
wxCURSOR_SIZENWSE,
wxCURSOR_SIZEWE,
wxCURSOR_SIZING,
wxCURSOR_SPRAYCAN,
wxCURSOR_WAIT,
wxCURSOR_WATCH,
wxCURSOR_BLANK,
#ifdef __WXGTK__
wxCURSOR_DEFAULT, // standard X11 cursor
#endif
#ifdef __WXMAC__
wxCURSOR_COPY_ARROW , // MacOS Theme Plus arrow
#endif
#ifdef __X__
// Not yet implemented for Windows
wxCURSOR_CROSS_REVERSE,
wxCURSOR_DOUBLE_ARROW,
wxCURSOR_BASED_ARROW_UP,
wxCURSOR_BASED_ARROW_DOWN,
#endif // X11
wxCURSOR_ARROWWAIT,
wxCURSOR_MAX
};
#ifndef __WXGTK__
#define wxCURSOR_DEFAULT wxCURSOR_ARROW
#endif
// ---------------------------------------------------------------------------
// macros
// ---------------------------------------------------------------------------
/* Useful macro for creating icons portably, for example:
wxIcon *icon = new wxICON(mondrian);
expands into:
wxIcon *icon = new wxIcon("mondrian"); // On wxMSW
wxIcon *icon = new wxIcon(mondrian_xpm); // On wxGTK
*/
#ifdef __WXMSW__
// Load from a resource
#define wxICON(X) wxIcon(wxT(#X))
#elif defined(__WXPM__)
// Load from a resource
#define wxICON(X) wxIcon(wxT(#X))
#elif defined(__WXMGL__)
// Initialize from an included XPM
#define wxICON(X) wxIcon( (const char**) X##_xpm )
#elif defined(__WXGTK__)
// Initialize from an included XPM
#define wxICON(X) wxIcon( (const char**) X##_xpm )
#elif defined(__WXMAC__)
// Initialize from an included XPM
#define wxICON(X) wxIcon( (const char**) X##_xpm )
#elif defined(__WXMOTIF__)
// Initialize from an included XPM
#define wxICON(X) wxIcon( X##_xpm )
#elif defined(__WXX11__)
// Initialize from an included XPM
#define wxICON(X) wxIcon( X##_xpm )
#else
// This will usually mean something on any platform
#define wxICON(X) wxIcon(wxT(#X))
#endif // platform
/* Another macro: this one is for portable creation of bitmaps. We assume that
under Unix bitmaps live in XPMs and under Windows they're in ressources.
*/
#if defined(__WXMSW__) || defined(__WXPM__)
#define wxBITMAP(name) wxBitmap(wxT(#name), wxBITMAP_TYPE_RESOURCE)
#elif defined(__WXGTK__) || \
defined(__WXMOTIF__) || \
defined(__WXX11__) || \
defined(__WXMAC__) || \
defined(__WXMGL__) || \
defined(__WXCOCOA__)
// Initialize from an included XPM
#define wxBITMAP(name) wxBitmap( (const char**) name##_xpm )
#else // other platforms
#define wxBITMAP(name) wxBitmap(name##_xpm, wxBITMAP_TYPE_XPM)
#endif // platform
// ===========================================================================
// classes
// ===========================================================================
// ---------------------------------------------------------------------------
// wxSize
// ---------------------------------------------------------------------------
class WXDLLEXPORT wxSize
{
public:
// members are public for compatibility, don't use them directly.
int x, y;
// constructors
wxSize() : x(0), y(0) { }
wxSize(int xx, int yy) : x(xx), y(yy) { }
// no copy ctor or assignment operator - the defaults are ok
bool operator==(const wxSize& sz) const { return x == sz.x && y == sz.y; }
bool operator!=(const wxSize& sz) const { return x != sz.x || y != sz.y; }
wxSize operator+(const wxSize& sz) const { return wxSize(x + sz.x, y + sz.y); }
wxSize operator-(const wxSize& sz) const { return wxSize(x - sz.x, y - sz.y); }
wxSize operator/(int i) const { return wxSize(x / i, y / i); }
wxSize operator*(int i) const { return wxSize(x * i, y * i); }
wxSize& operator+=(const wxSize& sz) { x += sz.x; y += sz.y; return *this; }
wxSize& operator-=(const wxSize& sz) { x -= sz.x; y -= sz.y; return *this; }
wxSize& operator/=(const int i) { x /= i; y /= i; return *this; }
wxSize& operator*=(const int i) { x *= i; y *= i; return *this; }
void IncTo(const wxSize& sz)
{ if ( sz.x > x ) x = sz.x; if ( sz.y > y ) y = sz.y; }
void DecTo(const wxSize& sz)
{ if ( sz.x < x ) x = sz.x; if ( sz.y < y ) y = sz.y; }
// accessors
void Set(int xx, int yy) { x = xx; y = yy; }
void SetWidth(int w) { x = w; }
void SetHeight(int h) { y = h; }
int GetWidth() const { return x; }
int GetHeight() const { return y; }
bool IsFullySpecified() const { return x != wxDefaultCoord && y != wxDefaultCoord; }
// combine this size with the other one replacing the default (i.e. equal
// to wxDefaultCoord) components of this object with those of the other
void SetDefaults(const wxSize& size)
{
if ( x == wxDefaultCoord )
x = size.x;
if ( y == wxDefaultCoord )
y = size.y;
}
// compatibility
int GetX() const { return x; }
int GetY() const { return y; }
};
// ---------------------------------------------------------------------------
// Point classes: with real or integer coordinates
// ---------------------------------------------------------------------------
class WXDLLEXPORT wxRealPoint
{
public:
double x;
double y;
wxRealPoint() : x(0.0), y(0.0) { }
wxRealPoint(double xx, double yy) : x(xx), y(yy) { }
wxRealPoint operator+(const wxRealPoint& pt) const { return wxRealPoint(x + pt.x, y + pt.y); }
wxRealPoint operator-(const wxRealPoint& pt) const { return wxRealPoint(x - pt.x, y - pt.y); }
bool operator==(const wxRealPoint& pt) const
{
return wxIsSameDouble(x, pt.x) && wxIsSameDouble(y, pt.y);
}
bool operator!=(const wxRealPoint& pt) const { return !(*this == pt); }
};
class WXDLLEXPORT wxPoint
{
public:
int x, y;
wxPoint() : x(0), y(0) { }
wxPoint(int xx, int yy) : x(xx), y(yy) { }
// no copy ctor or assignment operator - the defaults are ok
// comparison
bool operator==(const wxPoint& p) const { return x == p.x && y == p.y; }
bool operator!=(const wxPoint& p) const { return !(*this == p); }
// arithmetic operations (component wise)
wxPoint operator+(const wxPoint& p) const { return wxPoint(x + p.x, y + p.y); }
wxPoint operator-(const wxPoint& p) const { return wxPoint(x - p.x, y - p.y); }
wxPoint& operator+=(const wxPoint& p) { x += p.x; y += p.y; return *this; }
wxPoint& operator-=(const wxPoint& p) { x -= p.x; y -= p.y; return *this; }
wxPoint& operator+=(const wxSize& s) { x += s.GetWidth(); y += s.GetHeight(); return *this; }
wxPoint& operator-=(const wxSize& s) { x -= s.GetWidth(); y -= s.GetHeight(); return *this; }
wxPoint operator+(const wxSize& s) const { return wxPoint(x + s.GetWidth(), y + s.GetHeight()); }
wxPoint operator-(const wxSize& s) const { return wxPoint(x - s.GetWidth(), y - s.GetHeight()); }
};
// ---------------------------------------------------------------------------
// wxRect
// ---------------------------------------------------------------------------
class WXDLLEXPORT wxRect
{
public:
wxRect()
: x(0), y(0), width(0), height(0)
{ }
wxRect(int xx, int yy, int ww, int hh)
: x(xx), y(yy), width(ww), height(hh)
{ }
wxRect(const wxPoint& topLeft, const wxPoint& bottomRight);
wxRect(const wxPoint& pt, const wxSize& size)
: x(pt.x), y(pt.y), width(size.x), height(size.y)
{ }
wxRect(const wxSize& size)
: x(0), y(0), width(size.x), height(size.y)
{ }
// default copy ctor and assignment operators ok
int GetX() const { return x; }
void SetX(int xx) { x = xx; }
int GetY() const { return y; }
void SetY(int yy) { y = yy; }
int GetWidth() const { return width; }
void SetWidth(int w) { width = w; }
int GetHeight() const { return height; }
void SetHeight(int h) { height = h; }
wxPoint GetPosition() const { return wxPoint(x, y); }
void SetPosition( const wxPoint &p ) { x = p.x; y = p.y; }
wxSize GetSize() const { return wxSize(width, height); }
void SetSize( const wxSize &s ) { width = s.GetWidth(); height = s.GetHeight(); }
bool IsEmpty() const { return (width <= 0) || (height <= 0); }
wxPoint GetTopLeft() const { return GetPosition(); }
wxPoint GetLeftTop() const { return GetTopLeft(); }
void SetTopLeft(const wxPoint &p) { SetPosition(p); }
void SetLeftTop(const wxPoint &p) { SetTopLeft(p); }
wxPoint GetBottomRight() const { return wxPoint(GetRight(), GetBottom()); }
wxPoint GetRightBottom() const { return GetBottomRight(); }
void SetBottomRight(const wxPoint &p) { SetRight(p.x); SetBottom(p.y); }
void SetRightBottom(const wxPoint &p) { SetBottomRight(p); }
int GetLeft() const { return x; }
int GetTop() const { return y; }
int GetBottom() const { return y + height - 1; }
int GetRight() const { return x + width - 1; }
void SetLeft(int left) { x = left; }
void SetRight(int right) { width = right - x + 1; }
void SetTop(int top) { y = top; }
void SetBottom(int bottom) { height = bottom - y + 1; }
// operations with rect
wxRect& Inflate(wxCoord dx, wxCoord dy);
wxRect& Inflate(wxCoord d) { return Inflate(d, d); }
wxRect Inflate(wxCoord dx, wxCoord dy) const
{
wxRect r = *this;
r.Inflate(dx, dy);
return r;
}
wxRect& Deflate(wxCoord dx, wxCoord dy) { return Inflate(-dx, -dy); }
wxRect& Deflate(wxCoord d) { return Inflate(-d); }
wxRect Deflate(wxCoord dx, wxCoord dy) const
{
wxRect r = *this;
r.Deflate(dx, dy);
return r;
}
void Offset(wxCoord dx, wxCoord dy) { x += dx; y += dy; }
void Offset(const wxPoint& pt) { Offset(pt.x, pt.y); }
wxRect& Intersect(const wxRect& rect);
wxRect Intersect(const wxRect& rect) const
{
wxRect r = *this;
r.Intersect(rect);
return r;
}
wxRect& Union(const wxRect& rect);
wxRect Union(const wxRect& rect) const
{
wxRect r = *this;
r.Union(rect);
return r;
}
// compare rectangles
bool operator==(const wxRect& rect) const;
bool operator!=(const wxRect& rect) const { return !(*this == rect); }
// return true if the point is (not strcitly) inside the rect
bool Inside(int x, int y) const;
bool Inside(const wxPoint& pt) const { return Inside(pt.x, pt.y); }
// return true if the rectangles have a non empty intersection
bool Intersects(const wxRect& rect) const;
// these are like Union() but don't ignore empty rectangles
wxRect operator+(const wxRect& rect) const;
wxRect& operator+=(const wxRect& rect)
{
*this = *this + rect;
return *this;
}
// centre this rectangle in the given (usually, but not necessarily,
// larger) one
wxRect CentreIn(const wxRect& r, int dir = wxBOTH) const
{
return wxRect(dir & wxHORIZONTAL ? r.x + (r.width - width)/2 : x,
dir & wxVERTICAL ? r.y + (r.height - height)/2 : y,
width, height);
}
wxRect CenterIn(const wxRect& r, int dir = wxBOTH) const
{
return CentreIn(r, dir);
}
public:
int x, y, width, height;
};
// ---------------------------------------------------------------------------
// Management of pens, brushes and fonts
// ---------------------------------------------------------------------------
typedef wxInt8 wxDash;
class WXDLLEXPORT wxPenList : public wxList
{
public:
wxPenList() { }
~wxPenList();
void AddPen(wxPen *pen);
void RemovePen(wxPen *pen);
wxPen *FindOrCreatePen(const wxColour& colour, int width, int style);
};
class WXDLLEXPORT wxBrushList : public wxList
{
public:
wxBrushList() { }
~wxBrushList();
void AddBrush(wxBrush *brush);
void RemoveBrush(wxBrush *brush);
wxBrush *FindOrCreateBrush(const wxColour& colour, int style = wxSOLID);
};
class WXDLLEXPORT wxFontList : public wxList
{
public:
wxFontList() { }
~wxFontList();
void AddFont(wxFont *font);
void RemoveFont(wxFont *font);
wxFont *FindOrCreateFont(int pointSize, int family, int style, int weight,
bool underline = false,
const wxString& face = wxEmptyString,
wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
};
WX_DECLARE_STRING_HASH_MAP( wxColour *, wxStringToColourHashMap );
class WXDLLEXPORT wxColourDatabase
{
public:
wxColourDatabase();
~wxColourDatabase();
// find colour by name or name for the given colour
wxColour Find(const wxString& name) const;
wxString FindName(const wxColour& colour) const;
// add a new colour to the database
void AddColour(const wxString& name, const wxColour& colour);
#if WXWIN_COMPATIBILITY_2_6
// deprecated, use Find() instead
wxDEPRECATED( wxColour *FindColour(const wxString& name) );
#endif // WXWIN_COMPATIBILITY_2_6
#ifdef __WXPM__
// PM keeps its own type of colour table
long* m_palTable;
size_t m_nSize;
#endif
private:
// load the database with the built in colour values when called for the
// first time, do nothing after this
void Initialize();
wxStringToColourHashMap *m_map;
};
class WXDLLEXPORT wxBitmapList : public wxList
{
public:
wxBitmapList(){}
~wxBitmapList();
void AddBitmap(wxBitmap *bitmap);
void RemoveBitmap(wxBitmap *bitmap);
};
class WXDLLEXPORT wxResourceCache: public wxList
{
public:
wxResourceCache() { }
#if !wxUSE_STL
wxResourceCache(const unsigned int keyType) : wxList(keyType) { }
#endif
~wxResourceCache();
};
// ---------------------------------------------------------------------------
// global variables
// ---------------------------------------------------------------------------
// Lists of GDI objects
extern WXDLLEXPORT_DATA(wxPenList*) wxThePenList;
extern WXDLLEXPORT_DATA(wxBrushList*) wxTheBrushList;
extern WXDLLEXPORT_DATA(wxFontList*) wxTheFontList;
extern WXDLLEXPORT_DATA(wxBitmapList*) wxTheBitmapList;
// Stock objects
extern WXDLLEXPORT_DATA(wxFont*) wxNORMAL_FONT;
extern WXDLLEXPORT_DATA(wxFont*) wxSMALL_FONT;
extern WXDLLEXPORT_DATA(wxFont*) wxITALIC_FONT;
extern WXDLLEXPORT_DATA(wxFont*) wxSWISS_FONT;
extern WXDLLEXPORT_DATA(wxPen*) wxRED_PEN;
extern WXDLLEXPORT_DATA(wxPen*) wxCYAN_PEN;
extern WXDLLEXPORT_DATA(wxPen*) wxGREEN_PEN;
extern WXDLLEXPORT_DATA(wxPen*) wxBLACK_PEN;
extern WXDLLEXPORT_DATA(wxPen*) wxWHITE_PEN;
extern WXDLLEXPORT_DATA(wxPen*) wxTRANSPARENT_PEN;
extern WXDLLEXPORT_DATA(wxPen*) wxBLACK_DASHED_PEN;
extern WXDLLEXPORT_DATA(wxPen*) wxGREY_PEN;
extern WXDLLEXPORT_DATA(wxPen*) wxMEDIUM_GREY_PEN;
extern WXDLLEXPORT_DATA(wxPen*) wxLIGHT_GREY_PEN;
extern WXDLLEXPORT_DATA(wxBrush*) wxBLUE_BRUSH;
extern WXDLLEXPORT_DATA(wxBrush*) wxGREEN_BRUSH;
extern WXDLLEXPORT_DATA(wxBrush*) wxWHITE_BRUSH;
extern WXDLLEXPORT_DATA(wxBrush*) wxBLACK_BRUSH;
extern WXDLLEXPORT_DATA(wxBrush*) wxGREY_BRUSH;
extern WXDLLEXPORT_DATA(wxBrush*) wxMEDIUM_GREY_BRUSH;
extern WXDLLEXPORT_DATA(wxBrush*) wxLIGHT_GREY_BRUSH;
extern WXDLLEXPORT_DATA(wxBrush*) wxTRANSPARENT_BRUSH;
extern WXDLLEXPORT_DATA(wxBrush*) wxCYAN_BRUSH;
extern WXDLLEXPORT_DATA(wxBrush*) wxRED_BRUSH;
extern WXDLLEXPORT_DATA(wxColour*) wxBLACK;
extern WXDLLEXPORT_DATA(wxColour*) wxWHITE;
extern WXDLLEXPORT_DATA(wxColour*) wxRED;
extern WXDLLEXPORT_DATA(wxColour*) wxBLUE;
extern WXDLLEXPORT_DATA(wxColour*) wxGREEN;
extern WXDLLEXPORT_DATA(wxColour*) wxCYAN;
extern WXDLLEXPORT_DATA(wxColour*) wxLIGHT_GREY;
// 'Null' objects
extern WXDLLEXPORT_DATA(wxBitmap) wxNullBitmap;
extern WXDLLEXPORT_DATA(wxIcon) wxNullIcon;
extern WXDLLEXPORT_DATA(wxCursor) wxNullCursor;
extern WXDLLEXPORT_DATA(wxPen) wxNullPen;
extern WXDLLEXPORT_DATA(wxBrush) wxNullBrush;
extern WXDLLEXPORT_DATA(wxPalette) wxNullPalette;
extern WXDLLEXPORT_DATA(wxFont) wxNullFont;
extern WXDLLEXPORT_DATA(wxColour) wxNullColour;
// Stock cursors types
extern WXDLLEXPORT_DATA(wxCursor*) wxSTANDARD_CURSOR;
extern WXDLLEXPORT_DATA(wxCursor*) wxHOURGLASS_CURSOR;
extern WXDLLEXPORT_DATA(wxCursor*) wxCROSS_CURSOR;
extern WXDLLEXPORT_DATA(wxColourDatabase*) wxTheColourDatabase;
extern WXDLLEXPORT_DATA(const wxChar) wxPanelNameStr[];
extern WXDLLEXPORT_DATA(const wxSize) wxDefaultSize;
extern WXDLLEXPORT_DATA(const wxPoint) wxDefaultPosition;
// The list of objects which should be deleted
extern WXDLLEXPORT_DATA(wxList) wxPendingDelete;
// ---------------------------------------------------------------------------
// global functions
// ---------------------------------------------------------------------------
// resource management
extern void WXDLLEXPORT wxInitializeStockObjects();
extern void WXDLLEXPORT wxInitializeStockLists();
extern void WXDLLEXPORT wxDeleteStockObjects();
extern void WXDLLEXPORT wxDeleteStockLists();
// is the display colour (or monochrome)?
extern bool WXDLLEXPORT wxColourDisplay();
// Returns depth of screen
extern int WXDLLEXPORT wxDisplayDepth();
#define wxGetDisplayDepth wxDisplayDepth
// get the display size
extern void WXDLLEXPORT wxDisplaySize(int *width, int *height);
extern wxSize WXDLLEXPORT wxGetDisplaySize();
extern void WXDLLEXPORT wxDisplaySizeMM(int *width, int *height);
extern wxSize WXDLLEXPORT wxGetDisplaySizeMM();
// Get position and size of the display workarea
extern void WXDLLEXPORT wxClientDisplayRect(int *x, int *y, int *width, int *height);
extern wxRect WXDLLEXPORT wxGetClientDisplayRect();
// set global cursor
extern void WXDLLEXPORT wxSetCursor(const wxCursor& cursor);
#endif
// _WX_GDICMNH__
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