+#ifndef _WX_DC_H_BASE_
+#define _WX_DC_H_BASE_
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+ #pragma interface "dcbase.h"
+#endif
+
+// ----------------------------------------------------------------------------
+// headers which we must include here
+// ----------------------------------------------------------------------------
+
+#include "wx/object.h" // the base class
+
+#include "wx/cursor.h" // we have member variables of these classes
+#include "wx/font.h" // so we can't do without them
+#include "wx/colour.h"
+#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"
+
+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;
+
+protected:
+ //for boundingbox calculation
+ bool m_isBBoxValid:1;
+ //for boundingbox calculation
+ wxCoord m_minX, m_minY, m_maxX, m_maxY;
+};
+
+// ---------------------------------------------------------------------------
+// global variables
+// ---------------------------------------------------------------------------
+
+WXDLLEXPORT_DATA(extern int) wxPageNumber;
+
+// ---------------------------------------------------------------------------
+// wxDC is the device context - object on which any drawing is done
+// ---------------------------------------------------------------------------
+
+class WXDLLEXPORT wxDCBase : public wxObject
+{
+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
+ {
+ ResetBoundingBox();
+ }
+
+ ~wxDCBase() { }
+
+ virtual void BeginDrawing() { }
+ virtual void EndDrawing() { }
+
+ // graphic primitives
+ // ------------------
+
+ 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(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(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(wxCoord x, wxCoord y)
+ { DoCrossHair(x, y); }
+ void CrossHair(const wxPoint& pt)
+ { DoCrossHair(pt.x, pt.y); }
+
+ 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 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(wxCoord x, wxCoord y)
+ { DoDrawPoint(x, y); }
+ void DrawPoint(const wxPoint& pt)
+ { DoDrawPoint(pt.x, pt.y); }
+
+ void DrawLines(int n, wxPoint points[],
+ wxCoord xoffset = 0, wxCoord yoffset = 0)
+ { DoDrawLines(n, points, xoffset, yoffset); }
+ void DrawLines(const wxList *list,
+ wxCoord xoffset = 0, wxCoord yoffset = 0);
+
+ void DrawPolygon(int n, wxPoint points[],
+ wxCoord xoffset = 0, wxCoord yoffset = 0,
+ int fillStyle = wxODDEVEN_RULE)
+ { DoDrawPolygon(n, points, xoffset, yoffset, fillStyle); }
+
+ void DrawPolygon(const wxList *list,
+ wxCoord xoffset = 0, wxCoord yoffset = 0,
+ int fillStyle = wxODDEVEN_RULE);
+
+ 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(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(wxCoord x, wxCoord y, wxCoord width, wxCoord height,
+ double radius)
+ { DoDrawRoundedRectangle(x, y, width, height, radius); }
+ void DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz,
+ double radius)
+ { DoDrawRoundedRectangle(pt.x, pt.y, sz.x, sz.y, radius); }
+ void DrawRoundedRectangle(const wxRect& r, double radius)
+ { DoDrawRoundedRectangle(r.x, r.y, r.width, r.height, radius); }
+
+ 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, 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, wxCoord x, wxCoord y,
+ bool useMask = FALSE)
+ { DoDrawBitmap(bmp, x, y, useMask); }
+ void DrawBitmap(const wxBitmap &bmp, const wxPoint& pt,
+ bool useMask = FALSE)
+ { DoDrawBitmap(bmp, pt.x, pt.y, useMask); }
+
+ 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); }
+
+ 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 = -1, wxCoord ysrcMask = -1)
+ {
+ return DoBlit(xdest, ydest, width, height,
+ 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, const wxPoint& srcPtMask = wxPoint(-1, -1))
+ {
+ return DoBlit(destPt.x, destPt.y, sz.x, sz.y,
+ 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(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 );
projects / wxWidgets.git / blobdiff