X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/64698f9af83fd51d3080a0e6fb3789e9f75b4958..701a0b4766abbd9f2f8dee036004d77edc59c4d8:/include/wx/dc.h?ds=sidebyside diff --git a/include/wx/dc.h b/include/wx/dc.h index 052ec417d6..cf1b3fdcbc 100644 --- a/include/wx/dc.h +++ b/include/wx/dc.h @@ -1,9 +1,19 @@ +///////////////////////////////////////////////////////////////////////////// +// Name: dc.h +// Purpose: wxDC class +// Author: Vadim Zeitlin +// Modified by: +// Created: 05/25/99 +// RCS-ID: $Id$ +// Copyright: (c) wxWidgets team +// Licence: wxWindows licence +///////////////////////////////////////////////////////////////////////////// + #ifndef _WX_DC_H_BASE_ #define _WX_DC_H_BASE_ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "dcbase.h" - #pragma implementation "dcbase.h" #endif // ---------------------------------------------------------------------------- @@ -18,16 +28,68 @@ #include "wx/brush.h" #include "wx/pen.h" #include "wx/palette.h" - #include "wx/list.h" // we use wxList in inline functions +#include "wx/dynarray.h" -// --------------------------------------------------------------------------- -// types -// --------------------------------------------------------------------------- +class WXDLLEXPORT wxDC; +class WXDLLEXPORT wxDCBase; + +class WXDLLEXPORT wxDrawObject +{ +public: + + wxDrawObject() + : m_isBBoxValid(false) + , m_minX(0), m_minY(0), m_maxX(0), m_maxY(0) + { } + + virtual ~wxDrawObject() { } + + virtual void Draw(wxDCBase&) const { } + + virtual void CalcBoundingBox(wxCoord x, wxCoord y) + { + if ( m_isBBoxValid ) + { + if ( x < m_minX ) m_minX = x; + if ( y < m_minY ) m_minY = y; + if ( x > m_maxX ) m_maxX = x; + if ( y > m_maxY ) m_maxY = y; + } + else + { + m_isBBoxValid = true; + + m_minX = x; + m_minY = y; + m_maxX = x; + m_maxY = y; + } + } + + void ResetBoundingBox() + { + m_isBBoxValid = false; + + m_minX = m_maxX = m_minY = m_maxY = 0; + } + + // Get the final bounding box of the PostScript or Metafile picture. + + wxCoord MinX() const { return m_minX; } + wxCoord MaxX() const { return m_maxX; } + wxCoord MinY() const { return m_minY; } + wxCoord MaxY() const { return m_maxY; } + + //to define the type of object for derived objects + virtual int GetType()=0; -// type which should be used (whenever possible, i.e. as long as it doesn't -// break compatibility) for screen coordinates -typedef int wxCoord; +protected: + //for boundingbox calculation + bool m_isBBoxValid:1; + //for boundingbox calculation + wxCoord m_minX, m_minY, m_maxX, m_maxY; +}; // --------------------------------------------------------------------------- // global variables @@ -41,37 +103,37 @@ WXDLLEXPORT_DATA(extern int) wxPageNumber; class WXDLLEXPORT wxDCBase : public wxObject { - DECLARE_ABSTRACT_CLASS(wxDCBase) - public: wxDCBase() + : m_colour(wxColourDisplay()) + , m_ok(true) + , m_clipping(false) + , m_isInteractive(0) + , m_isBBoxValid(false) + , m_logicalOriginX(0), m_logicalOriginY(0) + , m_deviceOriginX(0), m_deviceOriginY(0) + , m_logicalScaleX(1.0), m_logicalScaleY(1.0) + , m_userScaleX(1.0), m_userScaleY(1.0) + , m_scaleX(1.0), m_scaleY(1.0) + , m_signX(1), m_signY(1) + , m_minX(0), m_minY(0), m_maxX(0), m_maxY(0) + , m_clipX1(0), m_clipY1(0), m_clipX2(0), m_clipY2(0) + , m_logicalFunction(wxCOPY) + , m_backgroundMode(wxTRANSPARENT) + , m_mappingMode(wxMM_TEXT) + , m_pen() + , m_brush() + , m_backgroundBrush(*wxTRANSPARENT_BRUSH) + , m_textForegroundColour(*wxBLACK) + , m_textBackgroundColour(*wxWHITE) + , m_font() +#if wxUSE_PALETTE + , m_palette() + , m_hasCustomPalette(false) +#endif // wxUSE_PALETTE { - m_clipping = FALSE; - m_ok = TRUE; - - m_minX = m_minY = m_maxX = m_maxY = 0; - - m_signX = m_signY = 1; - - m_logicalOriginX = m_logicalOriginY = - m_deviceOriginX = m_deviceOriginY = 0; - - m_logicalScaleX = m_logicalScaleY = - m_userScaleX = m_userScaleY = - m_scaleX = m_scaleY = 1.0; - - m_logicalFunction = -1; - - m_backgroundMode = wxTRANSPARENT; - - m_mappingMode = wxMM_TEXT; - - m_backgroundBrush = *wxWHITE_BRUSH; - - m_textForegroundColour = *wxBLACK; - m_textBackgroundColour = *wxWHITE; - - m_colour = wxColourDisplay(); + ResetBoundingBox(); + ResetClipping(); } ~wxDCBase() { } @@ -82,97 +144,87 @@ public: // graphic primitives // ------------------ - void FloodFill(long x, long y, const wxColour& col, - int style = wxFLOOD_SURFACE) - { DoFloodFill(x, y, col, style); } - void FloodFill(const wxPoint& pt, const wxColour& col, - int style = wxFLOOD_SURFACE) - { DoFloodFill(pt.x, pt.y, col, style); } + virtual void DrawObject(wxDrawObject* drawobject) + { + drawobject->Draw(*this); + CalcBoundingBox(drawobject->MinX(),drawobject->MinY()); + CalcBoundingBox(drawobject->MaxX(),drawobject->MaxY()); + } + + bool FloodFill(wxCoord x, wxCoord y, const wxColour& col, + int style = wxFLOOD_SURFACE) + { return DoFloodFill(x, y, col, style); } + bool FloodFill(const wxPoint& pt, const wxColour& col, + int style = wxFLOOD_SURFACE) + { return DoFloodFill(pt.x, pt.y, col, style); } - bool GetPixel(long x, long y, wxColour *col) const + bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const { return DoGetPixel(x, y, col); } bool GetPixel(const wxPoint& pt, wxColour *col) const { return DoGetPixel(pt.x, pt.y, col); } - void DrawLine(long x1, long y1, long x2, long y2) + void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) { DoDrawLine(x1, y1, x2, y2); } void DrawLine(const wxPoint& pt1, const wxPoint& pt2) { DoDrawLine(pt1.x, pt1.y, pt2.x, pt2.y); } - void CrossHair(long x, long y) + void CrossHair(wxCoord x, wxCoord y) { DoCrossHair(x, y); } void CrossHair(const wxPoint& pt) { DoCrossHair(pt.x, pt.y); } - void DrawArc(long x1, long y1, long x2, long y2, long xc, long yc) + void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, + wxCoord xc, wxCoord yc) { DoDrawArc(x1, y1, x2, y2, xc, yc); } void DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& centre) { DoDrawArc(pt1.x, pt1.y, pt2.x, pt2.y, centre.x, centre.y); } - void DrawEllipticArc(long x, long y, long w, long h, double sa, double ea) - { DoDrawEllipticArc(x, y, x, y, sa, ea); } + void DrawCheckMark(wxCoord x, wxCoord y, + wxCoord width, wxCoord height) + { DoDrawCheckMark(x, y, width, height); } + void DrawCheckMark(const wxRect& rect) + { DoDrawCheckMark(rect.x, rect.y, rect.width, rect.height); } + + void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, + double sa, double ea) + { DoDrawEllipticArc(x, y, w, h, sa, ea); } void DrawEllipticArc(const wxPoint& pt, const wxSize& sz, double sa, double ea) { DoDrawEllipticArc(pt.x, pt.y, sz.x, sz.y, sa, ea); } - void DrawPoint(long x, long y) + void DrawPoint(wxCoord x, wxCoord y) { DoDrawPoint(x, y); } void DrawPoint(const wxPoint& pt) { DoDrawPoint(pt.x, pt.y); } - void DrawLines(int n, wxPoint points[], long xoffset = 0, long yoffset = 0) + void DrawLines(int n, wxPoint points[], + wxCoord xoffset = 0, wxCoord yoffset = 0) { DoDrawLines(n, points, xoffset, yoffset); } - void DrawLines(const wxList *list, long xoffset = 0, long yoffset = 0) - { - int n = list->Number(); - wxPoint *points = new wxPoint[n]; - - int i = 0; - for ( wxNode *node = list->First(); node; node = node->Next(), i++ ) - { - wxPoint *point = (wxPoint *)node->Data(); - points[i].x = point->x; - points[i].y = point->y; - } - - DoDrawLines(n, points, xoffset, yoffset); - - delete [] points; - } + void DrawLines(const wxList *list, + wxCoord xoffset = 0, wxCoord yoffset = 0); void DrawPolygon(int n, wxPoint points[], - long xoffset = 0, long yoffset = 0, + wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle = wxODDEVEN_RULE) { DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); } void DrawPolygon(const wxList *list, - long xoffset = 0, long yoffset = 0, - int fillStyle = wxODDEVEN_RULE) - { - int n = list->Number(); - wxPoint *points = new wxPoint[n]; + wxCoord xoffset = 0, wxCoord yoffset = 0, + int fillStyle = wxODDEVEN_RULE); - int i = 0; - for ( wxNode *node = list->First(); node; node = node->Next(), i++ ) - { - wxPoint *point = (wxPoint *)node->Data(); - points[i].x = point->x; - points[i].y = point->y; - } - - DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); - - delete [] points; - } + void DrawPolyPolygon(int n, int count[], wxPoint points[], + wxCoord xoffset = 0, wxCoord yoffset = 0, + int fillStyle = wxODDEVEN_RULE) + { DoDrawPolyPolygon(n, count, points, xoffset, yoffset, fillStyle); } - void DrawRectangle(long x, long y, long width, long height) + void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { DoDrawRectangle(x, y, width, height); } void DrawRectangle(const wxPoint& pt, const wxSize& sz) { DoDrawRectangle(pt.x, pt.y, sz.x, sz.y); } void DrawRectangle(const wxRect& rect) { DoDrawRectangle(rect.x, rect.y, rect.width, rect.height); } - void DrawRoundedRectangle(long x, long y, long width, long height, + void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius) { DoDrawRoundedRectangle(x, y, width, height, radius); } void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz, @@ -181,95 +233,139 @@ public: void DrawRoundedRectangle(const wxRect& r, double radius) { DoDrawRoundedRectangle(r.x, r.y, r.width, r.height, radius); } - void DrawEllipse(long x, long y, long width, long height) + void DrawCircle(wxCoord x, wxCoord y, wxCoord radius) + { DoDrawEllipse(x - radius, y - radius, 2*radius, 2*radius); } + void DrawCircle(const wxPoint& pt, wxCoord radius) + { DrawCircle(pt.x, pt.y, radius); } + + void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { DoDrawEllipse(x, y, width, height); } void DrawEllipse(const wxPoint& pt, const wxSize& sz) { DoDrawEllipse(pt.x, pt.y, sz.x, sz.y); } void DrawEllipse(const wxRect& rect) { DoDrawEllipse(rect.x, rect.y, rect.width, rect.height); } - void DrawIcon(const wxIcon& icon, long x, long y) + void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) { DoDrawIcon(icon, x, y); } void DrawIcon(const wxIcon& icon, const wxPoint& pt) { DoDrawIcon(icon, pt.x, pt.y); } - void DrawBitmap(const wxBitmap &bmp, long x, long y, bool useMask = FALSE) + void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, + bool useMask = false) { DoDrawBitmap(bmp, x, y, useMask); } void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt, - bool useMask = FALSE) + bool useMask = false) { DoDrawBitmap(bmp, pt.x, pt.y, useMask); } - void DrawText(const wxString& text, long x, long y) + void DrawText(const wxString& text, wxCoord x, wxCoord y) { DoDrawText(text, x, y); } void DrawText(const wxString& text, const wxPoint& pt) { DoDrawText(text, pt.x, pt.y); } - bool Blit(long xdest, long ydest, long width, long height, - wxDC *source, long xsrc, long ysrc, - int rop = wxCOPY, bool useMask = FALSE) + void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle) + { DoDrawRotatedText(text, x, y, angle); } + void DrawRotatedText(const wxString& text, const wxPoint& pt, double angle) + { DoDrawRotatedText(text, pt.x, pt.y, angle); } + + // this version puts both optional bitmap and the text into the given + // rectangle and aligns is as specified by alignment parameter; it also + // will emphasize the character with the given index if it is != -1 and + // return the bounding rectangle if required + virtual void DrawLabel(const wxString& text, + const wxBitmap& image, + const wxRect& rect, + int alignment = wxALIGN_LEFT | wxALIGN_TOP, + int indexAccel = -1, + wxRect *rectBounding = NULL); + + void DrawLabel(const wxString& text, const wxRect& rect, + int alignment = wxALIGN_LEFT | wxALIGN_TOP, + int indexAccel = -1) + { DrawLabel(text, wxNullBitmap, rect, alignment, indexAccel); } + + bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, + wxDC *source, wxCoord xsrc, wxCoord ysrc, + int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord) { return DoBlit(xdest, ydest, width, height, - source, xsrc, ysrc, rop, useMask); + source, xsrc, ysrc, rop, useMask, xsrcMask, ysrcMask); } bool Blit(const wxPoint& destPt, const wxSize& sz, wxDC *source, const wxPoint& srcPt, - int rop = wxCOPY, bool useMask = FALSE) + int rop = wxCOPY, bool useMask = false, const wxPoint& srcPtMask = wxDefaultPosition) { return DoBlit(destPt.x, destPt.y, sz.x, sz.y, - source, srcPt.x, srcPt.y, rop, useMask); + source, srcPt.x, srcPt.y, rop, useMask, srcPtMask.x, srcPtMask.y); } #if wxUSE_SPLINES // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?) - void DrawSpline(long x1, long y1, long x2, long y2, long x3, long y3) - { - wxList point_list; - - wxPoint *point1 = new wxPoint; - point1->x = x1; point1->y = y1; - point_list.Append((wxObject*)point1); - - wxPoint *point2 = new wxPoint; - point2->x = x2; point2->y = y2; - point_list.Append((wxObject*)point2); - - wxPoint *point3 = new wxPoint; - point3->x = x3; point3->y = y3; - point_list.Append((wxObject*)point3); - - DrawSpline(&point_list); - - for( wxNode *node = point_list.First(); node; node = node->Next() ) - { - wxPoint *p = (wxPoint *)node->Data(); - delete p; - } - } - - void DrawSpline(int n, wxPoint points[]) - { - wxList list; - for (int i =0; i < n; i++) - { - list.Append((wxObject*)&points[i]); - } - - DrawSpline(&list); - } + void DrawSpline(wxCoord x1, wxCoord y1, + wxCoord x2, wxCoord y2, + wxCoord x3, wxCoord y3); + void DrawSpline(int n, wxPoint points[]); void DrawSpline(wxList *points) { DoDrawSpline(points); } #endif // wxUSE_SPLINES + // Eventually we will have wxUSE_GENERIC_DRAWELLIPSE +#ifdef __WXWINCE__ + //! Generic method to draw ellipses, circles and arcs with current pen and brush. + /*! \param x Upper left corner of bounding box. + * \param y Upper left corner of bounding box. + * \param w Width of bounding box. + * \param h Height of bounding box. + * \param sa Starting angle of arc + * (counterclockwise, start at 3 o'clock, 360 is full circle). + * \param ea Ending angle of arc. + * \param angle Rotation angle, the Arc will be rotated after + * calculating begin and end. + */ + void DrawEllipticArcRot( wxCoord x, wxCoord y, + wxCoord width, wxCoord height, + double sa = 0, double ea = 0, double angle = 0 ) + { DoDrawEllipticArcRot( x, y, width, height, sa, ea, angle ); } + + void DrawEllipticArcRot( const wxPoint& pt, + const wxSize& sz, + double sa = 0, double ea = 0, double angle = 0 ) + { DoDrawEllipticArcRot( pt.x, pt.y, sz.x, sz.y, sa, ea, angle ); } + + void DrawEllipticArcRot( const wxRect& rect, + double sa = 0, double ea = 0, double angle = 0 ) + { DoDrawEllipticArcRot( rect.x, rect.y, rect.width, rect.height, sa, ea, angle ); } + + virtual void DoDrawEllipticArcRot( wxCoord x, wxCoord y, + wxCoord w, wxCoord h, + double sa = 0, double ea = 0, double angle = 0 ); + + //! Rotates points around center. + /*! This is a quite straight method, it calculates in pixels + * and so it produces rounding errors. + * \param points The points inside will be rotated. + * \param angle Rotating angle (counterclockwise, start at 3 o'clock, 360 is full circle). + * \param center Center of rotation. + */ + void Rotate( wxList* points, double angle, wxPoint center = wxPoint() ); + + // used by DrawEllipticArcRot + // Careful: wxList gets filled with points you have to delete later. + void CalculateEllipticPoints( wxList* points, + wxCoord xStart, wxCoord yStart, + wxCoord w, wxCoord h, + double sa, double ea ); +#endif + // global DC operations // -------------------- virtual void Clear() = 0; - virtual bool StartDoc(const wxString& message) = 0; - virtual void EndDoc() = 0; + virtual bool StartDoc(const wxString& WXUNUSED(message)) { return true; } + virtual void EndDoc() { } - virtual void StartPage() = 0; - virtual void EndPage() = 0; + virtual void StartPage() { } + virtual void EndPage() { } // set objects to use for drawing // ------------------------------ @@ -279,12 +375,14 @@ public: virtual void SetBrush(const wxBrush& brush) = 0; virtual void SetBackground(const wxBrush& brush) = 0; virtual void SetBackgroundMode(int mode) = 0; +#if wxUSE_PALETTE virtual void SetPalette(const wxPalette& palette) = 0; +#endif // wxUSE_PALETTE // clipping region // --------------- - void SetClippingRegion(long x, long y, long width, long height) + void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { DoSetClippingRegion(x, y, width, height); } void SetClippingRegion(const wxPoint& pt, const wxSize& sz) { DoSetClippingRegion(pt.x, pt.y, sz.x, sz.y); } @@ -293,23 +391,40 @@ public: void SetClippingRegion(const wxRegion& region) { DoSetClippingRegionAsRegion(region); } - virtual void DestroyClippingRegion() = 0; + virtual void DestroyClippingRegion() { ResetClipping(); } - void GetClippingBox(long *x, long *y, long *w, long *h) const + void GetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const { DoGetClippingBox(x, y, w, h); } void GetClippingBox(wxRect& rect) const - { DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height); } + { + DoGetClippingBox(&rect.x, &rect.y, &rect.width, &rect.height); + } // text extent // ----------- - virtual long GetCharHeight() const = 0; - virtual long GetCharWidth() const = 0; - virtual void GetTextExtent(const wxString& string, - long *x, long *y, - long *descent = NULL, - long *externalLeading = NULL, - wxFont *theFont = NULL) const = 0; + virtual wxCoord GetCharHeight() const = 0; + virtual wxCoord GetCharWidth() const = 0; + + // only works for single line strings + void GetTextExtent(const wxString& string, + wxCoord *x, wxCoord *y, + wxCoord *descent = NULL, + wxCoord *externalLeading = NULL, + wxFont *theFont = NULL) const + { DoGetTextExtent(string, x, y, descent, externalLeading, theFont); } + + // works for single as well as multi-line strings + virtual void GetMultiLineTextExtent(const wxString& text, + wxCoord *width, + wxCoord *height, + wxCoord *heightLine = NULL, + wxFont *font = NULL); + + // Measure cumulative width of text after each character + bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const + { return DoGetPartialTextExtents(text, widths); } + // size and resolution // ------------------- @@ -341,14 +456,14 @@ public: // This group of functions does actual conversion of the input, as you'd // expect. - long DeviceToLogicalX(long x) const; - long DeviceToLogicalY(long y) const; - long DeviceToLogicalXRel(long x) const; - long DeviceToLogicalYRel(long y) const; - long LogicalToDeviceX(long x) const; - long LogicalToDeviceY(long y) const; - long LogicalToDeviceXRel(long x) const; - long LogicalToDeviceYRel(long y) const; + wxCoord DeviceToLogicalX(wxCoord x) const; + wxCoord DeviceToLogicalY(wxCoord y) const; + wxCoord DeviceToLogicalXRel(wxCoord x) const; + wxCoord DeviceToLogicalYRel(wxCoord y) const; + wxCoord LogicalToDeviceX(wxCoord x) const; + wxCoord LogicalToDeviceY(wxCoord y) const; + wxCoord LogicalToDeviceXRel(wxCoord x) const; + wxCoord LogicalToDeviceYRel(wxCoord y) const; // query DC capabilities // --------------------- @@ -364,25 +479,17 @@ public: virtual bool Ok() const { return m_ok; } - // accessors - // --------- + // accessors and setters + // --------------------- - // const... + int GetBackgroundMode() const { return m_backgroundMode; } const wxBrush& GetBackground() const { return m_backgroundBrush; } const wxBrush& GetBrush() const { return m_brush; } const wxFont& GetFont() const { return m_font; } const wxPen& GetPen() const { return m_pen; } - const wxColour& GetTextBackground() const { return m_textBackgroundColour; } - const wxColour& GetTextForeground() const { return m_textForegroundColour; } - - // ... and non const - wxBrush& GetBackground() { return m_backgroundBrush; } - wxBrush& GetBrush() { return m_brush; } - wxFont& GetFont() { return m_font; } - wxPen& GetPen() { return m_pen; } - wxColour& GetTextBackground() { return m_textBackgroundColour; } - wxColour& GetTextForeground() { return m_textForegroundColour; } + const wxColour& GetTextForeground() const { return m_textForegroundColour; } + const wxColour& GetTextBackground() const { return m_textBackgroundColour; } virtual void SetTextForeground(const wxColour& colour) { m_textForegroundColour = colour; } virtual void SetTextBackground(const wxColour& colour) @@ -396,8 +503,6 @@ public: if ( x ) *x = m_userScaleX; if ( y ) *y = m_userScaleY; } - void SetSystemScale(double x, double y) - { SetUserScale(x, y); } virtual void SetUserScale(double x, double y) = 0; virtual void GetLogicalScale(double *x, double *y) @@ -411,17 +516,17 @@ public: m_logicalScaleY = y; } - void GetLogicalOrigin(long *x, long *y) const + void GetLogicalOrigin(wxCoord *x, wxCoord *y) const { DoGetLogicalOrigin(x, y); } wxPoint GetLogicalOrigin() const - { long x, y; DoGetLogicalOrigin(&x, &y); return wxPoint(x, y); } - virtual void SetLogicalOrigin(long x, long y) = 0; + { wxCoord x, y; DoGetLogicalOrigin(&x, &y); return wxPoint(x, y); } + virtual void SetLogicalOrigin(wxCoord x, wxCoord y) = 0; - void GetDeviceOrigin(long *x, long *y) const + void GetDeviceOrigin(wxCoord *x, wxCoord *y) const { DoGetDeviceOrigin(x, y); } wxPoint GetDeviceOrigin() const - { long x, y; DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); } - virtual void SetDeviceOrigin(long x, long y) = 0; + { wxCoord x, y; DoGetDeviceOrigin(&x, &y); return wxPoint(x, y); } + virtual void SetDeviceOrigin(wxCoord x, wxCoord y) = 0; virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp) = 0; @@ -433,133 +538,216 @@ public: // // FIXME: is this (still) used? virtual void SetOptimization(bool WXUNUSED(opt)) { } - virtual bool GetOptimization() { return FALSE; } + virtual bool GetOptimization() { return false; } // bounding box // ------------ - virtual void CalcBoundingBox(long x, long y) + virtual void CalcBoundingBox(wxCoord x, wxCoord y) + { + if ( m_isBBoxValid ) + { + if ( x < m_minX ) m_minX = x; + if ( y < m_minY ) m_minY = y; + if ( x > m_maxX ) m_maxX = x; + if ( y > m_maxY ) m_maxY = y; + } + else + { + m_isBBoxValid = true; + + m_minX = x; + m_minY = y; + m_maxX = x; + m_maxY = y; + } + } + + void ResetBoundingBox() { - if (x < m_minX) m_minX = x; - if (y < m_minY) m_minY = y; - if (x > m_maxX) m_maxX = x; - if (y > m_maxY) m_maxY = y; + m_isBBoxValid = false; + + m_minX = m_maxX = m_minY = m_maxY = 0; } // Get the final bounding box of the PostScript or Metafile picture. - long MinX() const { return m_minX; } - long MaxX() const { return m_maxX; } - long MinY() const { return m_minY; } - long MaxY() const { return m_maxY; } + wxCoord MinX() const { return m_minX; } + wxCoord MaxX() const { return m_maxX; } + wxCoord MinY() const { return m_minY; } + wxCoord MaxY() const { return m_maxY; } // misc old functions // ------------------ -#if WXWIN_COMPATIBILITY - virtual void SetColourMap(const wxPalette& palette) { SetPalette(palette); } - void GetTextExtent(const wxString& string, float *x, float *y, - float *descent = NULL, float *externalLeading = NULL, - wxFont *theFont = NULL, bool use16bit = FALSE) const ; - void GetSize(float* width, float* height) const { int w, h; GetSize(& w, & h); *width = w; *height = h; } - void GetSizeMM(float *width, float *height) const { long w, h; GetSizeMM(& w, & h); *width = (float) w; *height = (float) h; } -#endif // WXWIN_COMPATIBILITY + // for compatibility with the old code when wxCoord was long everywhere + void GetTextExtent(const wxString& string, + long *x, long *y, + long *descent = NULL, + long *externalLeading = NULL, + wxFont *theFont = NULL) const + { + wxCoord x2, y2, descent2, externalLeading2; + DoGetTextExtent(string, &x2, &y2, + &descent2, &externalLeading2, + theFont); + if ( x ) + *x = x2; + if ( y ) + *y = y2; + if ( descent ) + *descent = descent2; + if ( externalLeading ) + *externalLeading = externalLeading2; + } + + void GetLogicalOrigin(long *x, long *y) const + { + wxCoord x2, y2; + DoGetLogicalOrigin(&x2, &y2); + if ( x ) + *x = x2; + if ( y ) + *y = y2; + } + + void GetDeviceOrigin(long *x, long *y) const + { + wxCoord x2, y2; + DoGetDeviceOrigin(&x2, &y2); + if ( x ) + *x = x2; + if ( y ) + *y = y2; + } + void GetClippingBox(long *x, long *y, long *w, long *h) const + { + wxCoord xx,yy,ww,hh; + DoGetClippingBox(&xx, &yy, &ww, &hh); + if (x) *x = xx; + if (y) *y = yy; + if (w) *w = ww; + if (h) *h = hh; + } protected: // the pure virtual functions which should be implemented by wxDC - virtual void DoFloodFill(long x, long y, const wxColour& col, + virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE) = 0; - virtual bool DoGetPixel(long x, long y, wxColour *col) const = 0; + virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0; - virtual void DoDrawPoint(long x, long y) = 0; - virtual void DoDrawLine(long x1, long y1, long x2, long y2) = 0; + virtual void DoDrawPoint(wxCoord x, wxCoord y) = 0; + virtual void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) = 0; - virtual void DoDrawArc(long x1, long y1, - long x2, long y2, - long xc, long yc) = 0; - virtual void DoDrawEllipticArc(long x, long y, long w, long h, + virtual void DoDrawArc(wxCoord x1, wxCoord y1, + wxCoord x2, wxCoord y2, + wxCoord xc, wxCoord yc) = 0; + virtual void DoDrawCheckMark(wxCoord x, wxCoord y, + wxCoord width, wxCoord height); + virtual void DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double sa, double ea) = 0; - virtual void DoDrawRectangle(long x, long y, long width, long height) = 0; - virtual void DoDrawRoundedRectangle(long x, long y, - long width, long height, + virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) = 0; + virtual void DoDrawRoundedRectangle(wxCoord x, wxCoord y, + wxCoord width, wxCoord height, double radius) = 0; - virtual void DoDrawEllipse(long x, long y, long width, long height) = 0; + virtual void DoDrawEllipse(wxCoord x, wxCoord y, + wxCoord width, wxCoord height) = 0; - virtual void DoCrossHair(long x, long y) = 0; + virtual void DoCrossHair(wxCoord x, wxCoord y) = 0; - virtual void DoDrawIcon(const wxIcon& icon, long x, long y) = 0; - virtual void DoDrawBitmap(const wxBitmap &bmp, long x, long y, - bool useMask = FALSE) = 0; + virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) = 0; + virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, + bool useMask = false) = 0; - virtual void DoDrawText(const wxString& text, long x, long y) = 0; + virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y) = 0; + virtual void DoDrawRotatedText(const wxString& text, + wxCoord x, wxCoord y, double angle) = 0; - virtual bool DoBlit(long xdest, long ydest, long width, long height, - wxDC *source, long xsrc, long ysrc, - int rop = wxCOPY, bool useMask = FALSE) = 0; + virtual bool DoBlit(wxCoord xdest, wxCoord ydest, + wxCoord width, wxCoord height, + wxDC *source, wxCoord xsrc, wxCoord ysrc, + int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord) = 0; virtual void DoGetSize(int *width, int *height) const = 0; virtual void DoGetSizeMM(int* width, int* height) const = 0; virtual void DoDrawLines(int n, wxPoint points[], - long xoffset, long yoffset) = 0; + wxCoord xoffset, wxCoord yoffset) = 0; virtual void DoDrawPolygon(int n, wxPoint points[], - long xoffset, long yoffset, + wxCoord xoffset, wxCoord yoffset, int fillStyle = wxODDEVEN_RULE) = 0; + virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[], + wxCoord xoffset, wxCoord yoffset, + int fillStyle); virtual void DoSetClippingRegionAsRegion(const wxRegion& region) = 0; - virtual void DoSetClippingRegion(long x, long y, - long width, long height) = 0; + virtual void DoSetClippingRegion(wxCoord x, wxCoord y, + wxCoord width, wxCoord height) = 0; // FIXME are these functions really different? - virtual void DoGetClippingRegion(long *x, long *y, - long *w, long *h) + virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y, + wxCoord *w, wxCoord *h) { DoGetClippingBox(x, y, w, h); } - virtual void DoGetClippingBox(long *x, long *y, - long *w, long *h) const + virtual void DoGetClippingBox(wxCoord *x, wxCoord *y, + wxCoord *w, wxCoord *h) const { - if ( m_clipping ) - { - if ( x ) *x = m_clipX1; - if ( y ) *y = m_clipY1; - if ( w ) *w = m_clipX2 - m_clipX1; - if ( h ) *h = m_clipY2 - m_clipY1; - } - else - { - *x = *y = *w = *h = 0; - } + if ( x ) + *x = m_clipX1; + if ( y ) + *y = m_clipY1; + if ( w ) + *w = m_clipX2 - m_clipX1; + if ( h ) + *h = m_clipY2 - m_clipY1; } - virtual void DoGetLogicalOrigin(long *x, long *y) const + virtual void DoGetLogicalOrigin(wxCoord *x, wxCoord *y) const { if ( x ) *x = m_logicalOriginX; if ( y ) *y = m_logicalOriginY; } - virtual void DoGetDeviceOrigin(long *x, long *y) const + virtual void DoGetDeviceOrigin(wxCoord *x, wxCoord *y) const { if ( x ) *x = m_deviceOriginX; if ( y ) *y = m_deviceOriginY; } + virtual void DoGetTextExtent(const wxString& string, + wxCoord *x, wxCoord *y, + wxCoord *descent = NULL, + wxCoord *externalLeading = NULL, + wxFont *theFont = NULL) const = 0; + + virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const; + #if wxUSE_SPLINES - virtual void DoDrawSpline(wxList *points) = 0; + virtual void DoDrawSpline(wxList *points); #endif protected: + // unset clipping variables (after clipping region was destroyed) + void ResetClipping() + { + m_clipping = false; + + m_clipX1 = m_clipX2 = m_clipY1 = m_clipY2 = 0; + } + // flags bool m_colour:1; bool m_ok:1; bool m_clipping:1; bool m_isInteractive:1; + bool m_isBBoxValid:1; // coordinate system variables // TODO short descriptions of what exactly they are would be nice... - long m_logicalOriginX, m_logicalOriginY; - long m_deviceOriginX, m_deviceOriginY; + wxCoord m_logicalOriginX, m_logicalOriginY; + wxCoord m_deviceOriginX, m_deviceOriginY; double m_logicalScaleX, m_logicalScaleY; double m_userScaleX, m_userScaleY; @@ -569,8 +757,8 @@ protected: int m_signX, m_signY; // bounding and clipping boxes - long m_minX, m_minY, m_maxX, m_maxY; - long m_clipX1, m_clipY1, m_clipX2, m_clipY2; + wxCoord m_minX, m_minY, m_maxX, m_maxY; + wxCoord m_clipX1, m_clipY1, m_clipX2, m_clipY2; int m_logicalFunction; int m_backgroundMode; @@ -583,10 +771,15 @@ protected: wxColour m_textForegroundColour; wxColour m_textBackgroundColour; wxFont m_font; + +#if wxUSE_PALETTE wxPalette m_palette; + bool m_hasCustomPalette; +#endif // wxUSE_PALETTE private: - DECLARE_NO_COPY_CLASS(wxDCBase); + DECLARE_NO_COPY_CLASS(wxDCBase) + DECLARE_ABSTRACT_CLASS(wxDCBase) }; // ---------------------------------------------------------------------------- @@ -599,13 +792,69 @@ private: #include "wx/motif/dc.h" #elif defined(__WXGTK__) #include "wx/gtk/dc.h" -#elif defined(__WXQT__) - #include "wx/qt/dc.h" +#elif defined(__WXX11__) + #include "wx/x11/dc.h" +#elif defined(__WXMGL__) + #include "wx/mgl/dc.h" #elif defined(__WXMAC__) #include "wx/mac/dc.h" -#elif defined(__WXSTUBS__) - #include "wx/stubs/dc.h" +#elif defined(__WXCOCOA__) + #include "wx/cocoa/dc.h" +#elif defined(__WXPM__) + #include "wx/os2/dc.h" #endif +// ---------------------------------------------------------------------------- +// helper class: you can use it to temporarily change the DC text colour and +// restore it automatically when the object goes out of scope +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxDCTextColourChanger +{ +public: + wxDCTextColourChanger(wxDC& dc) : m_dc(dc), m_colFgOld() { } + + ~wxDCTextColourChanger() + { + if ( m_colFgOld.Ok() ) + m_dc.SetTextForeground(m_colFgOld); + } + + void Set(const wxColour& col) + { + if ( !m_colFgOld.Ok() ) + m_colFgOld = m_dc.GetTextForeground(); + m_dc.SetTextForeground(col); + } + +private: + wxDC& m_dc; + + wxColour m_colFgOld; + + DECLARE_NO_COPY_CLASS(wxDCTextColourChanger) +}; + +// ---------------------------------------------------------------------------- +// another small helper class: sets the clipping region in its ctor and +// destroys it in the dtor +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxDCClipper +{ +public: + wxDCClipper(wxDC& dc, const wxRect& r) : m_dc(dc) + { dc.SetClippingRegion(r.x, r.y, r.width, r.height); } + wxDCClipper(wxDC& dc, wxCoord x, wxCoord y, wxCoord w, wxCoord h) : m_dc(dc) + { dc.SetClippingRegion(x, y, w, h); } + + ~wxDCClipper() { m_dc.DestroyClippingRegion(); } + +private: + wxDC& m_dc; + + DECLARE_NO_COPY_CLASS(wxDCClipper) +}; + #endif // _WX_DC_H_BASE_