// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// ===========================================================================
+// declarations
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// headers
+// ---------------------------------------------------------------------------
+
#ifdef __GNUG__
-#pragma implementation "dc.h"
+ #pragma implementation "dc.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
#ifndef WX_PRECOMP
-#include "wx/frame.h"
-#include "wx/dc.h"
-#include "wx/utils.h"
-#include "wx/dialog.h"
-#include "wx/app.h"
-#include "wx/bitmap.h"
-#include "wx/dcmemory.h"
+ #include "wx/window.h"
+ #include "wx/dc.h"
+ #include "wx/utils.h"
+ #include "wx/dialog.h"
+ #include "wx/app.h"
+ #include "wx/bitmap.h"
+ #include "wx/dcmemory.h"
+ #include "wx/log.h"
+ #include "wx/icon.h"
#endif
#include "wx/dcprint.h"
-#include "wx/msw/private.h"
#include <string.h>
#include <math.h>
#if wxUSE_COMMON_DIALOGS
-#include <commdlg.h>
+#if wxUSE_NORLANDER_HEADERS
+ #include <windows.h>
+#endif
+ #include <commdlg.h>
#endif
#ifndef __WIN32__
-#include <print.h>
#endif
-#ifdef DrawText
-#undef DrawText
-#endif
+#include "wx/msw/private.h"
-#ifdef GetCharWidth
-#undef GetCharWidth
-#endif
+ IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
-#ifdef StartDoc
-#undef StartDoc
-#endif
+// ---------------------------------------------------------------------------
+// constants
+// ---------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
-#endif
+static const int VIEWPORT_EXTENT = 1000;
+
+static const int MM_POINTS = 9;
+static const int MM_METRIC = 10;
+
+// usually this is defined in math.h
+#ifndef M_PI
+ static const double M_PI = 3.14159265358979323846;
+#endif // M_PI
+
+// ---------------------------------------------------------------------------
+// private functions
+// ---------------------------------------------------------------------------
-// Declarations local to this file
+// convert degrees to radians
+static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
-#define YSCALE(y) (yorigin - (y))
+// ===========================================================================
+// implementation
+// ===========================================================================
-// #define wx_round(a) (int)((a)+.5)
+// ---------------------------------------------------------------------------
+// wxDC
+// ---------------------------------------------------------------------------
// Default constructor
-wxDC::wxDC(void)
+wxDC::wxDC()
{
- m_minX = 0; m_minY = 0; m_maxX = 0; m_maxY = 0;
- m_clipping = FALSE;
-
m_canvas = NULL;
+
m_oldBitmap = 0;
m_oldPen = 0;
m_oldBrush = 0;
m_oldFont = 0;
m_oldPalette = 0;
- m_minX = 0; m_minY = 0; m_maxX = 0; m_maxY = 0;
- 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_signX = 1;
- m_signY = 1;
- m_systemScaleX = 1.0;
- m_systemScaleY = 1.0;
- m_mappingMode = wxMM_TEXT;
+
m_bOwnsDC = FALSE;
m_hDC = 0;
- m_clipping = FALSE;
- m_ok = TRUE;
+
m_windowExtX = VIEWPORT_EXTENT;
m_windowExtY = VIEWPORT_EXTENT;
- m_logicalFunction = -1;
-
- m_backgroundBrush = *wxWHITE_BRUSH;
-
- m_textForegroundColour = *wxBLACK;
- m_textBackgroundColour = *wxWHITE;
-
- m_colour = wxColourDisplay();
-
+
m_hDCCount = 0;
}
-wxDC::~wxDC(void)
+wxDC::~wxDC()
{
if ( m_hDC != 0 ) {
SelectOldObjects(m_hDC);
if ( m_bOwnsDC ) {
if ( m_canvas == NULL )
- ::DeleteDC((HDC)m_hDC);
+ ::DeleteDC(GetHdc());
else
- ::ReleaseDC((HWND)m_canvas->GetHWND(), (HDC)m_hDC);
+ ::ReleaseDC((HWND)m_canvas->GetHWND(), GetHdc());
}
}
-
+
}
// This will select current objects out of the DC,
m_selectedBitmap.SetSelectedInto(NULL);
}
}
- m_oldBitmap = 0 ;
+ m_oldBitmap = 0;
if (m_oldPen)
{
::SelectObject((HDC) dc, (HPEN) m_oldPen);
}
- m_oldPen = 0 ;
+ m_oldPen = 0;
if (m_oldBrush)
{
::SelectObject((HDC) dc, (HBRUSH) m_oldBrush);
}
- m_oldBrush = 0 ;
+ m_oldBrush = 0;
if (m_oldFont)
{
::SelectObject((HDC) dc, (HFONT) m_oldFont);
}
- m_oldFont = 0 ;
+ m_oldFont = 0;
if (m_oldPalette)
{
::SelectPalette((HDC) dc, (HPALETTE) m_oldPalette, TRUE);
}
- m_oldPalette = 0 ;
+ m_oldPalette = 0;
}
-
- m_brush = wxNullBrush ;
+
+ m_brush = wxNullBrush;
m_pen = wxNullPen;
m_palette = wxNullPalette;
m_font = wxNullFont;
m_selectedBitmap = wxNullBitmap;
}
-void wxDC::SetClippingRegion(long cx, long cy, long cw, long ch)
+// ---------------------------------------------------------------------------
+// clipping
+// ---------------------------------------------------------------------------
+
+void wxDC::DoSetClippingRegion(wxCoord cx, wxCoord cy, wxCoord cw, wxCoord ch)
{
m_clipping = TRUE;
m_clipX1 = (int)cx;
m_clipY1 = (int)cy;
m_clipX2 = (int)(cx + cw);
m_clipY2 = (int)(cy + ch);
-
+
DoClipping((WXHDC) m_hDC);
}
-void wxDC::SetClippingRegion(const wxRegion& region)
+void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
{
- if (!region.GetHRGN())
- return;
-
+ wxCHECK_RET( region.GetHRGN(), wxT("invalid clipping region") );
+
wxRect box = region.GetBox();
-
+
m_clipping = TRUE;
m_clipX1 = box.x;
m_clipY1 = box.y;
m_clipX2 = box.x + box.width;
m_clipY2 = box.y + box.height;
-
+
#ifdef __WIN16__
- SelectClipRgn((HDC) m_hDC, (HRGN) region.GetHRGN());
+ SelectClipRgn(GetHdc(), (HRGN) region.GetHRGN());
#else
- ExtSelectClipRgn((HDC) m_hDC, (HRGN) region.GetHRGN(), RGN_AND);
+ ExtSelectClipRgn(GetHdc(), (HRGN) region.GetHRGN(), RGN_AND);
#endif
}
if (m_clipping && dc)
{
IntersectClipRect((HDC) dc, XLOG2DEV(m_clipX1), YLOG2DEV(m_clipY1),
- XLOG2DEV(m_clipX2), YLOG2DEV(m_clipY2));
+ XLOG2DEV(m_clipX2), YLOG2DEV(m_clipY2));
}
}
-void wxDC::DestroyClippingRegion(void)
+void wxDC::DestroyClippingRegion()
{
if (m_clipping && m_hDC)
{
// so that OnPaint processing works correctly, and the update clipping region
// doesn't get destroyed after the first DestroyClippingRegion.
HRGN rgn = CreateRectRgn(0, 0, 32000, 32000);
- SelectClipRgn((HDC) m_hDC, rgn);
+ SelectClipRgn(GetHdc(), rgn);
DeleteObject(rgn);
}
m_clipping = FALSE;
}
-bool wxDC::CanDrawBitmap(void) const
+// ---------------------------------------------------------------------------
+// query capabilities
+// ---------------------------------------------------------------------------
+
+bool wxDC::CanDrawBitmap() const
{
return TRUE;
}
-bool wxDC::CanGetTextExtent(void) const
+bool wxDC::CanGetTextExtent() const
{
// What sort of display is it?
- int technology = ::GetDeviceCaps((HDC) m_hDC, TECHNOLOGY);
-
- bool ok;
-
- if (technology != DT_RASDISPLAY && technology != DT_RASPRINTER)
- ok = FALSE;
- else ok = TRUE;
-
- return ok;
+ int technology = ::GetDeviceCaps(GetHdc(), TECHNOLOGY);
+
+ return (technology == DT_RASDISPLAY) || (technology == DT_RASPRINTER);
}
-void wxDC::SetPalette(const wxPalette& palette)
+int wxDC::GetDepth() const
{
- // Set the old object temporarily, in case the assignment deletes an object
- // that's not yet selected out.
- if (m_oldPalette)
- {
- ::SelectPalette((HDC) m_hDC, (HPALETTE) m_oldPalette, TRUE);
- m_oldPalette = 0;
- }
-
- m_palette = palette;
-
- if (!m_palette.Ok())
- {
- // Setting a NULL colourmap is a way of restoring
- // the original colourmap
- if (m_oldPalette)
- {
- ::SelectPalette((HDC) m_hDC, (HPALETTE) m_oldPalette, TRUE);
- m_oldPalette = 0;
- }
-
- return;
- }
-
- if (m_palette.Ok() && m_palette.GetHPALETTE())
- {
- HPALETTE oldPal = ::SelectPalette((HDC) m_hDC, (HPALETTE) m_palette.GetHPALETTE(), TRUE);
- if (!m_oldPalette)
- m_oldPalette = (WXHPALETTE) oldPal;
-
- ::RealizePalette((HDC) m_hDC);
- }
+ return (int)::GetDeviceCaps(GetHdc(), BITSPIXEL);
}
-void wxDC::Clear(void)
+// ---------------------------------------------------------------------------
+// drawing
+// ---------------------------------------------------------------------------
+
+void wxDC::Clear()
{
RECT rect;
- if (m_canvas)
+ if ( m_canvas )
+ {
GetClientRect((HWND) m_canvas->GetHWND(), &rect);
- else if (m_selectedBitmap.Ok())
+ }
+ else
{
+ wxCHECK_RET( m_selectedBitmap.Ok(), wxT("this DC can't be cleared") );
+
rect.left = 0; rect.top = 0;
rect.right = m_selectedBitmap.GetWidth();
rect.bottom = m_selectedBitmap.GetHeight();
}
- (void) ::SetMapMode((HDC) m_hDC, MM_TEXT);
-
- DWORD colour = GetBkColor((HDC) m_hDC);
+
+ (void) ::SetMapMode(GetHdc(), MM_TEXT);
+
+ DWORD colour = GetBkColor(GetHdc());
HBRUSH brush = CreateSolidBrush(colour);
- FillRect((HDC) m_hDC, &rect, brush);
+ FillRect(GetHdc(), &rect, brush);
DeleteObject(brush);
-
- ::SetMapMode((HDC) m_hDC, MM_ANISOTROPIC);
- ::SetViewportExtEx((HDC) m_hDC, VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL);
- ::SetWindowExtEx((HDC) m_hDC, m_windowExtX, m_windowExtY, NULL);
- ::SetViewportOrgEx((HDC) m_hDC, (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
- ::SetWindowOrgEx((HDC) m_hDC, (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
+
+ ::SetMapMode(GetHdc(), MM_ANISOTROPIC);
+ ::SetViewportExtEx(GetHdc(), VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL);
+ ::SetWindowExtEx(GetHdc(), m_windowExtX, m_windowExtY, NULL);
+ ::SetViewportOrgEx(GetHdc(), (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
+ ::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
}
-void wxDC::FloodFill(long x, long y, const wxColour& col, int style)
+void wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
{
- (void)ExtFloodFill((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y),
- col.GetPixel(),
- style==wxFLOOD_SURFACE?
-FLOODFILLSURFACE:FLOODFILLBORDER
- );
-
+ (void)ExtFloodFill(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
+ col.GetPixel(),
+ style == wxFLOOD_SURFACE ? FLOODFILLSURFACE
+ : FLOODFILLBORDER);
+
CalcBoundingBox(x, y);
}
-bool wxDC::GetPixel(long x, long y, wxColour *col) const
+bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
{
// added by steve 29.12.94 (copied from DrawPoint)
// returns TRUE for pixels in the color of the current pen
// and FALSE for all other pixels colors
// if col is non-NULL return the color of the pixel
-
+
// get the color of the pixel
- COLORREF pixelcolor = ::GetPixel((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y));
+ COLORREF pixelcolor = ::GetPixel(GetHdc(), XLOG2DEV(x), YLOG2DEV(y));
// get the color of the pen
COLORREF pencolor = 0x00ffffff;
if (m_pen.Ok())
{
- pencolor = m_pen.GetColour().GetPixel() ;
+ pencolor = m_pen.GetColour().GetPixel();
}
-
+
// return the color of the pixel
if(col)
col->Set(GetRValue(pixelcolor),GetGValue(pixelcolor),GetBValue(pixelcolor));
-
+
// check, if color of the pixels is the same as the color
// of the current pen
return(pixelcolor==pencolor);
}
-void wxDC::CrossHair(long x, long y)
+void wxDC::DoCrossHair(wxCoord x, wxCoord y)
{
- // We suppose that our screen is 2000x2000 max.
- long x1 = x-2000;
- long y1 = y-2000;
- long x2 = x+2000;
- long y2 = y+2000;
-
- (void)MoveToEx((HDC) m_hDC, XLOG2DEV(x1), YLOG2DEV(y), NULL);
- (void)LineTo((HDC) m_hDC, XLOG2DEV(x2), YLOG2DEV(y));
-
- (void)MoveToEx((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y1), NULL);
- (void)LineTo((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y2));
-
+ wxCoord x1 = x-VIEWPORT_EXTENT;
+ wxCoord y1 = y-VIEWPORT_EXTENT;
+ wxCoord x2 = x+VIEWPORT_EXTENT;
+ wxCoord y2 = y+VIEWPORT_EXTENT;
+
+ (void)MoveToEx(GetHdc(), XLOG2DEV(x1), YLOG2DEV(y), NULL);
+ (void)LineTo(GetHdc(), XLOG2DEV(x2), YLOG2DEV(y));
+
+ (void)MoveToEx(GetHdc(), XLOG2DEV(x), YLOG2DEV(y1), NULL);
+ (void)LineTo(GetHdc(), XLOG2DEV(x), YLOG2DEV(y2));
+
CalcBoundingBox(x1, y1);
CalcBoundingBox(x2, y2);
}
-void wxDC::DrawLine(long x1, long y1, long x2, long y2)
+void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
{
- (void)MoveToEx((HDC) m_hDC, XLOG2DEV(x1), YLOG2DEV(y1), NULL);
- (void)LineTo((HDC) m_hDC, XLOG2DEV(x2), YLOG2DEV(y2));
-
+ (void)MoveToEx(GetHdc(), XLOG2DEV(x1), YLOG2DEV(y1), NULL);
+ (void)LineTo(GetHdc(), XLOG2DEV(x2), YLOG2DEV(y2));
+
/* MATTHEW: [6] New normalization */
#if WX_STANDARD_GRAPHICS
- (void)LineTo((HDC) m_hDC, XLOG2DEV(x2) + 1, YLOG2DEV(y2));
+ (void)LineTo(GetHdc(), XLOG2DEV(x2) + 1, YLOG2DEV(y2));
#endif
-
+
CalcBoundingBox(x1, y1);
CalcBoundingBox(x2, y2);
}
-void wxDC::DrawArc(long x1,long y1,long x2,long y2, long xc, long yc)
+void wxDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2, wxCoord xc, wxCoord yc)
{
- double dx = xc-x1 ;
- double dy = yc-y1 ;
+ double dx = xc-x1;
+ double dy = yc-y1;
double radius = (double)sqrt(dx*dx+dy*dy) ;;
if (x1==x2 && x2==y2)
{
- DrawEllipse(xc,yc,(long)(radius*2.0),(long)(radius*2.0)) ;
- return ;
+ DrawEllipse(xc,yc,(wxCoord)(radius*2.0),(wxCoord)(radius*2.0));
+ return;
}
-
- long xx1 = XLOG2DEV(x1) ;
- long yy1 = YLOG2DEV(y1) ;
- long xx2 = XLOG2DEV(x2) ;
- long yy2 = YLOG2DEV(y2) ;
- long xxc = XLOG2DEV(xc) ;
- long yyc = YLOG2DEV(yc) ;
- long ray = (long) sqrt(double((xxc-xx1)*(xxc-xx1)+(yyc-yy1)*(yyc-yy1))) ;
-
- (void)MoveToEx((HDC) m_hDC, (int) xx1, (int) yy1, NULL);
- long xxx1 = (long) (xxc-ray);
- long yyy1 = (long) (yyc-ray);
- long xxx2 = (long) (xxc+ray);
- long yyy2 = (long) (yyc+ray);
+
+ wxCoord xx1 = XLOG2DEV(x1);
+ wxCoord yy1 = YLOG2DEV(y1);
+ wxCoord xx2 = XLOG2DEV(x2);
+ wxCoord yy2 = YLOG2DEV(y2);
+ wxCoord xxc = XLOG2DEV(xc);
+ wxCoord yyc = YLOG2DEV(yc);
+ wxCoord ray = (wxCoord) sqrt(double((xxc-xx1)*(xxc-xx1)+(yyc-yy1)*(yyc-yy1)));
+
+ (void)MoveToEx(GetHdc(), (int) xx1, (int) yy1, NULL);
+ wxCoord xxx1 = (wxCoord) (xxc-ray);
+ wxCoord yyy1 = (wxCoord) (yyc-ray);
+ wxCoord xxx2 = (wxCoord) (xxc+ray);
+ wxCoord yyy2 = (wxCoord) (yyc+ray);
if (m_brush.Ok() && m_brush.GetStyle() !=wxTRANSPARENT)
{
// Have to add 1 to bottom-right corner of rectangle
// Unfortunately this is not a reliable method, depends
// on the size of shape.
// TODO: figure out why this happens!
- Pie((HDC) m_hDC,xxx1,yyy1,xxx2+1,yyy2+1,
- xx1,yy1,xx2,yy2) ;
+ Pie(GetHdc(),xxx1,yyy1,xxx2+1,yyy2+1,
+ xx1,yy1,xx2,yy2);
}
else
- Arc((HDC) m_hDC,xxx1,yyy1,xxx2,yyy2,
- xx1,yy1,xx2,yy2) ;
-
- CalcBoundingBox((xc-radius), (yc-radius));
- CalcBoundingBox((xc+radius), (yc+radius));
+ Arc(GetHdc(),xxx1,yyy1,xxx2,yyy2,
+ xx1,yy1,xx2,yy2);
+
+ CalcBoundingBox((wxCoord)(xc-radius), (wxCoord)(yc-radius));
+ CalcBoundingBox((wxCoord)(xc+radius), (wxCoord)(yc+radius));
}
-void wxDC::DrawPoint(long x, long y)
+void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
{
COLORREF color = 0x00ffffff;
if (m_pen.Ok())
{
- color = m_pen.GetColour().GetPixel() ;
+ color = m_pen.GetColour().GetPixel();
}
-
- SetPixel((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), color);
-
+
+ SetPixel(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), color);
+
CalcBoundingBox(x, y);
}
-void wxDC::DrawPolygon(int n, wxPoint points[], long xoffset, long yoffset,int fillStyle)
+void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle)
{
// Do things less efficiently if we have offsets
if (xoffset != 0 || yoffset != 0)
{
cpoints[i].x = (int)(points[i].x + xoffset);
cpoints[i].y = (int)(points[i].y + yoffset);
-
+
CalcBoundingBox(cpoints[i].x, cpoints[i].y);
}
- int prev = SetPolyFillMode((HDC) m_hDC,fillStyle==wxODDEVEN_RULE?ALTERNATE:WINDING) ;
- (void)Polygon((HDC) m_hDC, cpoints, n);
- SetPolyFillMode((HDC) m_hDC,prev) ;
+ int prev = SetPolyFillMode(GetHdc(),fillStyle==wxODDEVEN_RULE?ALTERNATE:WINDING);
+ (void)Polygon(GetHdc(), cpoints, n);
+ SetPolyFillMode(GetHdc(),prev);
delete[] cpoints;
}
else
int i;
for (i = 0; i < n; i++)
CalcBoundingBox(points[i].x, points[i].y);
-
- int prev = SetPolyFillMode((HDC) m_hDC,fillStyle==wxODDEVEN_RULE?ALTERNATE:WINDING) ;
- (void)Polygon((HDC) m_hDC, (POINT*) points, n);
- SetPolyFillMode((HDC) m_hDC,prev) ;
+
+ int prev = SetPolyFillMode(GetHdc(),fillStyle==wxODDEVEN_RULE?ALTERNATE:WINDING);
+ (void)Polygon(GetHdc(), (POINT*) points, n);
+ SetPolyFillMode(GetHdc(),prev);
}
}
-void wxDC::DrawLines(int n, wxPoint points[], long xoffset, long yoffset)
+void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
{
// Do things less efficiently if we have offsets
if (xoffset != 0 || yoffset != 0)
{
cpoints[i].x = (int)(points[i].x + xoffset);
cpoints[i].y = (int)(points[i].y + yoffset);
-
+
CalcBoundingBox(cpoints[i].x, cpoints[i].y);
}
- (void)Polyline((HDC) m_hDC, cpoints, n);
+ (void)Polyline(GetHdc(), cpoints, n);
delete[] cpoints;
}
else
int i;
for (i = 0; i < n; i++)
CalcBoundingBox(points[i].x, points[i].y);
-
- (void)Polyline((HDC) m_hDC, (POINT*) points, n);
+
+ (void)Polyline(GetHdc(), (POINT*) points, n);
}
}
-void wxDC::DrawRectangle(long x, long y, long width, long height)
+void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
- long x2 = x + width;
- long y2 = y + height;
-
+ wxCoord x2 = x + width;
+ wxCoord y2 = y + height;
+
/* MATTHEW: [6] new normalization */
#if WX_STANDARD_GRAPHICS
bool do_brush, do_pen;
-
+
do_brush = m_brush.Ok() && m_brush.GetStyle() != wxTRANSPARENT;
do_pen = m_pen.Ok() && m_pen.GetStyle() != wxTRANSPARENT;
-
+
if (do_brush) {
HPEN orig_pen = NULL;
-
+
if (do_pen || !m_pen.Ok())
- orig_pen = (HPEN) ::SelectObject((HDC) m_hDC, (HPEN) ::GetStockObject(NULL_PEN));
-
- (void)Rectangle((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y),
+ orig_pen = (HPEN) ::SelectObject(GetHdc(), (HPEN) ::GetStockObject(NULL_PEN));
+
+ (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
XLOG2DEV(x2) + 1, YLOG2DEV(y2) + 1);
-
+
if (do_pen || !m_pen.Ok())
- ::SelectObject((HDC) m_hDC , orig_pen);
+ ::SelectObject(GetHdc() , orig_pen);
}
if (do_pen) {
HBRUSH orig_brush = NULL;
-
+
if (do_brush || !m_brush.Ok())
- orig_brush = (HBRUSH) ::SelectObject((HDC) m_hDC, (HBRUSH) ::GetStockObject(NULL_BRUSH));
-
- (void)Rectangle((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y),
+ orig_brush = (HBRUSH) ::SelectObject(GetHdc(), (HBRUSH) ::GetStockObject(NULL_BRUSH));
+
+ (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
XLOG2DEV(x2), YLOG2DEV(y2));
-
+
if (do_brush || !m_brush.Ok())
- ::SelectObject((HDC) m_hDC, orig_brush);
+ ::SelectObject(GetHdc(), orig_brush);
}
#else
- (void)Rectangle((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
+ (void)Rectangle(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
#endif
-
+
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
}
-void wxDC::DrawRoundedRectangle(long x, long y, long width, long height, double radius)
+void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
{
// Now, a negative radius value is interpreted to mean
// 'the proportion of the smallest X or Y dimension'
-
+
if (radius < 0.0)
{
double smallest = 0.0;
smallest = height;
radius = (- radius * smallest);
}
-
- long x2 = (x+width);
- long y2 = (y+height);
-
- (void)RoundRect((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2),
- YLOG2DEV(y2), 2*XLOG2DEV(radius), 2*YLOG2DEV(radius));
-
+
+ wxCoord x2 = (x+width);
+ wxCoord y2 = (y+height);
+
+ (void)RoundRect(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2),
+ YLOG2DEV(y2), (int) (2*XLOG2DEV(radius)), (int)( 2*YLOG2DEV(radius)));
+
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
}
-void wxDC::DrawEllipse(long x, long y, long width, long height)
+void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
- long x2 = (x+width);
- long y2 = (y+height);
-
- (void)Ellipse((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
-
+ wxCoord x2 = (x+width);
+ wxCoord y2 = (y+height);
+
+ (void)Ellipse(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
+
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
}
// Chris Breeze 20/5/98: first implementation of DrawEllipticArc on Windows
-void wxDC::DrawEllipticArc(long x,long y,long w,long h,double sa,double ea)
+void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
{
- long x2 = (x+w);
- long y2 = (y+h);
-
- const double deg2rad = 3.14159265359 / 180.0;
+ wxCoord x2 = (x+w);
+ wxCoord y2 = (y+h);
+
int rx1 = XLOG2DEV(x+w/2);
int ry1 = YLOG2DEV(y+h/2);
int rx2 = rx1;
int ry2 = ry1;
- rx1 += (int)(100.0 * abs(w) * cos(sa * deg2rad));
- ry1 -= (int)(100.0 * abs(h) * m_signY * sin(sa * deg2rad));
- rx2 += (int)(100.0 * abs(w) * cos(ea * deg2rad));
- ry2 -= (int)(100.0 * abs(h) * m_signY * sin(ea * deg2rad));
-
+
+ sa = DegToRad(sa);
+ ea = DegToRad(ea);
+
+ rx1 += (int)(100.0 * abs(w) * cos(sa));
+ ry1 -= (int)(100.0 * abs(h) * m_signY * sin(sa));
+ rx2 += (int)(100.0 * abs(w) * cos(ea));
+ ry2 -= (int)(100.0 * abs(h) * m_signY * sin(ea));
+
// draw pie with NULL_PEN first and then outline otherwise a line is
// drawn from the start and end points to the centre
- HPEN orig_pen = (HPEN) ::SelectObject((HDC) m_hDC, (HPEN) ::GetStockObject(NULL_PEN));
+ HPEN orig_pen = (HPEN) ::SelectObject(GetHdc(), (HPEN) ::GetStockObject(NULL_PEN));
if (m_signY > 0)
{
- (void)Pie((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2)+1, YLOG2DEV(y2)+1,
+ (void)Pie(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2)+1, YLOG2DEV(y2)+1,
rx1, ry1, rx2, ry2);
}
else
{
- (void)Pie((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y)-1, XLOG2DEV(x2)+1, YLOG2DEV(y2),
+ (void)Pie(GetHdc(), XLOG2DEV(x), YLOG2DEV(y)-1, XLOG2DEV(x2)+1, YLOG2DEV(y2),
rx1, ry1-1, rx2, ry2-1);
}
- ::SelectObject((HDC) m_hDC, orig_pen);
- (void)Arc((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2),
+ ::SelectObject(GetHdc(), orig_pen);
+ (void)Arc(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2),
rx1, ry1, rx2, ry2);
-
+
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
}
-void wxDC::DrawIcon(const wxIcon& icon, long x, long y)
+void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
{
#if defined(__WIN32__) && !defined(__SC__) && !defined(__TWIN32__)
- ::DrawIconEx((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON(),
+ ::DrawIconEx(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON(),
icon.GetWidth(), icon.GetHeight(), 0, 0, DI_NORMAL);
#else
- ::DrawIcon((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON());
+ ::DrawIcon(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON());
#endif
-
+
CalcBoundingBox(x, y);
CalcBoundingBox(x+icon.GetWidth(), y+icon.GetHeight());
}
-void wxDC::DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask )
+void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
{
if (!bmp.Ok())
return;
+ bool needsPixelCopy = FALSE ;
+ bool isPrinter = FALSE ;
+ if (IsKindOf(CLASSINFO(wxPrinterDC)) )
+ {
+ isPrinter = TRUE ;
+ if ( ::GetDeviceCaps((HDC) m_hDC, RASTERCAPS) & RC_STRETCHDIB )
+ {
+ }
+ else
+ {
+ needsPixelCopy = TRUE ;
+ }
+ }
// If we're not drawing transparently, and not drawing to a printer,
// optimize this function to use Windows functions.
- if (!useMask && !IsKindOf(CLASSINFO(wxPrinterDC)))
+ if (!useMask && !needsPixelCopy)
{
- HDC cdc = (HDC)m_hDC;
- HDC memdc = ::CreateCompatibleDC( cdc );
- HBITMAP hbitmap = (HBITMAP) bmp.GetHBITMAP( );
- ::SelectObject( memdc, hbitmap );
- ::BitBlt( cdc, x, y, bmp.GetWidth(), bmp.GetHeight(), memdc, 0, 0, SRCCOPY);
- ::SelectObject( memdc, 0 );
- ::DeleteDC( memdc );
+ if ( isPrinter )
+ {
+ BITMAPINFO *info = (BITMAPINFO *) malloc( sizeof( BITMAPINFOHEADER ) + 256 * sizeof(RGBQUAD ) ) ;
+ int iBitsSize = ((bmp.GetWidth() + 3 ) & ~3 ) * bmp.GetHeight() ;
+
+ void* bits = malloc( iBitsSize ) ;
+
+ memset( info , 0 , sizeof( BITMAPINFOHEADER ) ) ;
+
+ info->bmiHeader.biSize = sizeof( BITMAPINFOHEADER ) ;
+ info->bmiHeader.biWidth = bmp.GetWidth() ;
+ info->bmiHeader.biHeight = bmp.GetHeight() ;
+ info->bmiHeader.biPlanes = 1 ;
+ info->bmiHeader.biBitCount = 8 ;
+ info->bmiHeader.biCompression = BI_RGB ;
+
+ HDC display = GetDC( NULL ) ;
+ if ( GetDIBits( display , (HBITMAP) bmp.GetHBITMAP( ) , 0 , bmp.GetHeight() , bits , info , DIB_RGB_COLORS ) )
+ {
+ StretchDIBits( (HDC) m_hDC,
+ x, y, bmp.GetWidth(), bmp.GetHeight() ,
+ 0 , 0 ,bmp.GetWidth(), bmp.GetHeight() ,
+ bits , info , DIB_RGB_COLORS , SRCCOPY ) ;
+ }
+ ReleaseDC( NULL , display ) ;
+ free ( bits ) ;
+ free( info ) ;
+ }
+ else
+ {
+ HDC cdc = GetHdc();
+ HDC memdc = ::CreateCompatibleDC( cdc );
+ HBITMAP hbitmap = (HBITMAP) bmp.GetHBITMAP( );
+
+ wxASSERT_MSG( hbitmap, wxT("bitmap is ok but HBITMAP is NULL?") );
+
+ ::SelectObject( memdc, hbitmap );
+ ::BitBlt( cdc, x, y, bmp.GetWidth(), bmp.GetHeight(), memdc, 0, 0, SRCCOPY);
+ ::DeleteDC( memdc );
+ }
}
else
{
}
}
+void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
+{
+ DrawAnyText(text, x, y);
+
+ // update the bounding box
+ CalcBoundingBox(x, y);
+
+ wxCoord w, h;
+ GetTextExtent(text, &w, &h);
+ CalcBoundingBox(x + w, y + h);
+}
+
+void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y)
+{
+ // prepare for drawing the text
+ if ( m_textForegroundColour.Ok() )
+ SetTextColor(GetHdc(), m_textForegroundColour.GetPixel());
+
+ DWORD old_background = 0;
+ if ( m_textBackgroundColour.Ok() )
+ {
+ old_background = SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() );
+ }
+
+ SetBkMode(GetHdc(), m_backgroundMode == wxTRANSPARENT ? TRANSPARENT
+ : OPAQUE);
+
+ if ( ::TextOut(GetHdc(), XLOG2DEV(x), YLOG2DEV(y),
+ text.c_str(), text.length()) == 0 )
+ {
+ wxLogLastError("TextOut");
+ }
+
+ // restore the old parameters (text foreground colour may be left because
+ // it never is set to anything else, but background should remain
+ // transparent even if we just drew an opaque string)
+ if ( m_textBackgroundColour.Ok() )
+ (void)SetBkColor(GetHdc(), old_background);
+
+ SetBkMode(GetHdc(), TRANSPARENT);
+}
+
+void wxDC::DoDrawRotatedText(const wxString& text,
+ wxCoord x, wxCoord y,
+ double angle)
+{
+ // we test that we have some font because otherwise we should still use the
+ // "else" part below to avoid that DrawRotatedText(angle = 180) and
+ // DrawRotatedText(angle = 0) use different fonts (we can't use the default
+ // font for drawing rotated fonts unfortunately)
+ if ( (angle == 0.0) && m_font.Ok() )
+ {
+ DoDrawText(text, x, y);
+ }
+ else
+ {
+ // NB: don't take DEFAULT_GUI_FONT because it's not TrueType and so
+ // can't have non zero orientation/escapement
+ wxFont font = m_font.Ok() ? m_font : *wxNORMAL_FONT;
+ HFONT hfont = (HFONT)font.GetResourceHandle();
+ LOGFONT lf;
+ if ( ::GetObject(hfont, sizeof(lf), &lf) == 0 )
+ {
+ wxLogLastError("GetObject(hfont)");
+ }
+
+ // GDI wants the angle in tenth of degree
+ long angle10 = (long)(angle * 10);
+ lf.lfEscapement = angle10;
+ lf. lfOrientation = angle10;
+
+ hfont = ::CreateFontIndirect(&lf);
+ if ( !hfont )
+ {
+ wxLogLastError("CreateFont");
+ }
+ else
+ {
+ HFONT hfontOld = (HFONT)::SelectObject(GetHdc(), hfont);
+
+ DrawAnyText(text, x, y);
+
+ (void)::SelectObject(GetHdc(), hfontOld);
+ }
+
+ // call the bounding box by adding all four vertices of the rectangle
+ // containing the text to it (simpler and probably not slower than
+ // determining which of them is really topmost/leftmost/...)
+ wxCoord w, h;
+ GetTextExtent(text, &w, &h);
+
+ double rad = DegToRad(angle);
+
+ // "upper left" and "upper right"
+ CalcBoundingBox(x, y);
+ CalcBoundingBox(x + w*cos(rad), y - h*sin(rad));
+
+ // "bottom left" and "bottom right"
+ x += (wxCoord)(h*sin(rad));
+ y += (wxCoord)(h*cos(rad));
+ CalcBoundingBox(x, y);
+ CalcBoundingBox(x + h*sin(rad), y + h*cos(rad));
+ }
+}
+
+// ---------------------------------------------------------------------------
+// set GDI objects
+// ---------------------------------------------------------------------------
+
+void wxDC::SetPalette(const wxPalette& palette)
+{
+ // Set the old object temporarily, in case the assignment deletes an object
+ // that's not yet selected out.
+ if (m_oldPalette)
+ {
+ ::SelectPalette(GetHdc(), (HPALETTE) m_oldPalette, TRUE);
+ m_oldPalette = 0;
+ }
+
+ m_palette = palette;
+
+ if (!m_palette.Ok())
+ {
+ // Setting a NULL colourmap is a way of restoring
+ // the original colourmap
+ if (m_oldPalette)
+ {
+ ::SelectPalette(GetHdc(), (HPALETTE) m_oldPalette, TRUE);
+ m_oldPalette = 0;
+ }
+
+ return;
+ }
+
+ if (m_palette.Ok() && m_palette.GetHPALETTE())
+ {
+ HPALETTE oldPal = ::SelectPalette(GetHdc(), (HPALETTE) m_palette.GetHPALETTE(), TRUE);
+ if (!m_oldPalette)
+ m_oldPalette = (WXHPALETTE) oldPal;
+
+ ::RealizePalette(GetHdc());
+ }
+}
+
void wxDC::SetFont(const wxFont& the_font)
{
// Set the old object temporarily, in case the assignment deletes an object
// that's not yet selected out.
if (m_oldFont)
{
- ::SelectObject((HDC) m_hDC, (HFONT) m_oldFont);
+ ::SelectObject(GetHdc(), (HFONT) m_oldFont);
m_oldFont = 0;
}
-
+
m_font = the_font;
-
+
if (!the_font.Ok())
{
if (m_oldFont)
- ::SelectObject((HDC) m_hDC, (HFONT) m_oldFont);
- m_oldFont = 0 ;
+ ::SelectObject(GetHdc(), (HFONT) m_oldFont);
+ m_oldFont = 0;
}
-
+
if (m_font.Ok() && m_font.GetResourceHandle())
{
- HFONT f = (HFONT) ::SelectObject((HDC) m_hDC, (HFONT) m_font.GetResourceHandle());
+ HFONT f = (HFONT) ::SelectObject(GetHdc(), (HFONT) m_font.GetResourceHandle());
if (f == (HFONT) NULL)
{
- wxDebugMsg("::SelectObject failed in wxDC::SetFont.");
+ wxLogDebug(wxT("::SelectObject failed in wxDC::SetFont."));
}
if (!m_oldFont)
m_oldFont = (WXHFONT) f;
// that's not yet selected out.
if (m_oldPen)
{
- ::SelectObject((HDC) m_hDC, (HPEN) m_oldPen);
+ ::SelectObject(GetHdc(), (HPEN) m_oldPen);
m_oldPen = 0;
}
-
+
m_pen = pen;
-
+
if (!m_pen.Ok())
{
if (m_oldPen)
- ::SelectObject((HDC) m_hDC, (HPEN) m_oldPen);
- m_oldPen = 0 ;
+ ::SelectObject(GetHdc(), (HPEN) m_oldPen);
+ m_oldPen = 0;
}
-
+
if (m_pen.Ok())
{
if (m_pen.GetResourceHandle())
{
- HPEN p = (HPEN) ::SelectObject((HDC) m_hDC, (HPEN)m_pen.GetResourceHandle()) ;
+ HPEN p = (HPEN) ::SelectObject(GetHdc(), (HPEN)m_pen.GetResourceHandle());
if (!m_oldPen)
m_oldPen = (WXHPEN) p;
}
// that's not yet selected out.
if (m_oldBrush)
{
- ::SelectObject((HDC) m_hDC, (HBRUSH) m_oldBrush);
+ ::SelectObject(GetHdc(), (HBRUSH) m_oldBrush);
m_oldBrush = 0;
}
-
+
m_brush = brush;
-
+
if (!m_brush.Ok())
{
if (m_oldBrush)
- ::SelectObject((HDC) m_hDC, (HBRUSH) m_oldBrush);
- m_oldBrush = 0 ;
+ ::SelectObject(GetHdc(), (HBRUSH) m_oldBrush);
+ m_oldBrush = 0;
}
-
+
if (m_brush.Ok())
{
if (m_brush.GetResourceHandle())
{
HBRUSH b = 0;
- b = (HBRUSH) ::SelectObject((HDC) m_hDC, (HBRUSH)m_brush.GetResourceHandle()) ;
+ b = (HBRUSH) ::SelectObject(GetHdc(), (HBRUSH)m_brush.GetResourceHandle());
if (!m_oldBrush)
m_oldBrush = (WXHBRUSH) b;
}
}
}
-void wxDC::DrawText(const wxString& text, long x, long y, bool use16bit)
-{
- // Should be unnecessary: SetFont should have done this already.
-#if 0
- if (m_font.Ok() && m_font.GetResourceHandle())
- {
- HFONT f = (HFONT) ::SelectObject((HDC) m_hDC, (HFONT) m_font.GetResourceHandle());
- if (!m_oldFont)
- m_oldFont = (WXHFONT) f;
- }
-#endif
-
- if (m_textForegroundColour.Ok())
- SetTextColor((HDC) m_hDC, m_textForegroundColour.GetPixel() ) ;
-
- DWORD old_background = 0;
- if (m_textBackgroundColour.Ok())
- {
- old_background = SetBkColor((HDC) m_hDC, m_textBackgroundColour.GetPixel() ) ;
- }
-
- if (m_backgroundMode == wxTRANSPARENT)
- SetBkMode((HDC) m_hDC, TRANSPARENT);
- else
- SetBkMode((HDC) m_hDC, OPAQUE);
-
- (void)TextOut((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), (char *) (const char *)text, strlen((const char *)text));
-
- if (m_textBackgroundColour.Ok())
- (void)SetBkColor((HDC) m_hDC, old_background);
-
- CalcBoundingBox(x, y);
-
- long w, h;
- GetTextExtent(text, &w, &h);
- CalcBoundingBox((x + w), (y + h));
-}
-
void wxDC::SetBackground(const wxBrush& brush)
{
m_backgroundBrush = brush;
-
+
if (!m_backgroundBrush.Ok())
return;
-
+
if (m_canvas)
{
bool customColours = TRUE;
// change background colours from the control-panel specified colours.
if (m_canvas->IsKindOf(CLASSINFO(wxWindow)) && ((m_canvas->GetWindowStyleFlag() & wxUSER_COLOURS) != wxUSER_COLOURS))
customColours = FALSE;
-
+
if (customColours)
{
if (m_backgroundBrush.GetStyle()==wxTRANSPARENT)
}
}
}
- COLORREF new_color = m_backgroundBrush.GetColour().GetPixel() ;
+ COLORREF new_color = m_backgroundBrush.GetColour().GetPixel();
{
- (void)SetBkColor((HDC) m_hDC, new_color);
+ (void)SetBkColor(GetHdc(), new_color);
}
}
void wxDC::SetBackgroundMode(int mode)
{
m_backgroundMode = mode;
-
+
+ // SetBackgroundColour now only refers to text background
+ // and m_backgroundMode is used there
+
+/*
if (m_backgroundMode == wxTRANSPARENT)
- ::SetBkMode((HDC) m_hDC, TRANSPARENT);
+ ::SetBkMode(GetHdc(), TRANSPARENT);
else
- ::SetBkMode((HDC) m_hDC, OPAQUE);
+ ::SetBkMode(GetHdc(), OPAQUE);
+*/
}
void wxDC::SetLogicalFunction(int function)
{
m_logicalFunction = function;
-
+
SetRop((WXHDC) m_hDC);
}
{
if (!dc || m_logicalFunction < 0)
return;
-
+
int c_rop;
// These may be wrong
switch (m_logicalFunction)
return TRUE;
}
-void wxDC::EndDoc(void)
+void wxDC::EndDoc()
{
}
-void wxDC::StartPage(void)
+void wxDC::StartPage()
{
}
-void wxDC::EndPage(void)
+void wxDC::EndPage()
{
}
-long wxDC::GetCharHeight(void) const
+// ---------------------------------------------------------------------------
+// text metrics
+// ---------------------------------------------------------------------------
+
+wxCoord wxDC::GetCharHeight() const
{
TEXTMETRIC lpTextMetric;
-
- GetTextMetrics((HDC) m_hDC, &lpTextMetric);
-
+
+ GetTextMetrics(GetHdc(), &lpTextMetric);
+
return YDEV2LOGREL(lpTextMetric.tmHeight);
}
-long wxDC::GetCharWidth(void) const
+wxCoord wxDC::GetCharWidth() const
{
TEXTMETRIC lpTextMetric;
-
- GetTextMetrics((HDC) m_hDC, &lpTextMetric);
-
+
+ GetTextMetrics(GetHdc(), &lpTextMetric);
+
return XDEV2LOGREL(lpTextMetric.tmAveCharWidth);
}
-void wxDC::GetTextExtent(const wxString& string, long *x, long *y,
- long *descent, long *externalLeading, wxFont *theFont, bool use16bit) const
+void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
+ wxCoord *descent, wxCoord *externalLeading,
+ wxFont *theFont) const
{
wxFont *fontToUse = (wxFont*) theFont;
if (!fontToUse)
fontToUse = (wxFont*) &m_font;
-
+
SIZE sizeRect;
TEXTMETRIC tm;
-
- GetTextExtentPoint((HDC) m_hDC, (char *)(const char *) string, strlen((char *)(const char *) string), &sizeRect);
- GetTextMetrics((HDC) m_hDC, &tm);
-
+
+ GetTextExtentPoint(GetHdc(), WXSTRINGCAST string, wxStrlen(WXSTRINGCAST string), &sizeRect);
+ GetTextMetrics(GetHdc(), &tm);
+
if (x) *x = XDEV2LOGREL(sizeRect.cx);
if (y) *y = YDEV2LOGREL(sizeRect.cy);
if (descent) *descent = tm.tmDescent;
void wxDC::SetMapMode(int mode)
{
m_mappingMode = mode;
-
+
int pixel_width = 0;
int pixel_height = 0;
int mm_width = 0;
int mm_height = 0;
-
- pixel_width = GetDeviceCaps((HDC) m_hDC, HORZRES);
- pixel_height = GetDeviceCaps((HDC) m_hDC, VERTRES);
- mm_width = GetDeviceCaps((HDC) m_hDC, HORZSIZE);
- mm_height = GetDeviceCaps((HDC) m_hDC, VERTSIZE);
-
+
+ pixel_width = GetDeviceCaps(GetHdc(), HORZRES);
+ pixel_height = GetDeviceCaps(GetHdc(), VERTRES);
+ mm_width = GetDeviceCaps(GetHdc(), HORZSIZE);
+ mm_height = GetDeviceCaps(GetHdc(), VERTSIZE);
+
if ((pixel_width == 0) || (pixel_height == 0) || (mm_width == 0) || (mm_height == 0))
{
return;
}
-
+
double mm2pixelsX = pixel_width/mm_width;
double mm2pixelsY = pixel_height/mm_height;
-
+
switch (mode)
{
case wxMM_TWIPS:
break;
}
}
-
- if (::GetMapMode((HDC) m_hDC) != MM_ANISOTROPIC)
- ::SetMapMode((HDC) m_hDC, MM_ANISOTROPIC);
-
- SetViewportExtEx((HDC) m_hDC, VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL);
+
+ if (::GetMapMode(GetHdc()) != MM_ANISOTROPIC)
+ ::SetMapMode(GetHdc(), MM_ANISOTROPIC);
+
+ SetViewportExtEx(GetHdc(), VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL);
m_windowExtX = (int)MS_XDEV2LOGREL(VIEWPORT_EXTENT);
m_windowExtY = (int)MS_YDEV2LOGREL(VIEWPORT_EXTENT);
- ::SetWindowExtEx((HDC) m_hDC, m_windowExtX, m_windowExtY, NULL);
- ::SetViewportOrgEx((HDC) m_hDC, (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
- ::SetWindowOrgEx((HDC) m_hDC, (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
+ ::SetWindowExtEx(GetHdc(), m_windowExtX, m_windowExtY, NULL);
+ ::SetViewportOrgEx(GetHdc(), (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
+ ::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
}
void wxDC::SetUserScale(double x, double y)
{
m_userScaleX = x;
m_userScaleY = y;
-
+
SetMapMode(m_mappingMode);
}
{
m_signX = xLeftRight ? 1 : -1;
m_signY = yBottomUp ? -1 : 1;
-
+
SetMapMode(m_mappingMode);
}
void wxDC::SetSystemScale(double x, double y)
{
- m_systemScaleX = x;
- m_systemScaleY = y;
-
+ m_scaleX = x;
+ m_scaleY = y;
+
SetMapMode(m_mappingMode);
}
-void wxDC::SetLogicalOrigin(long x, long y)
+void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y)
{
m_logicalOriginX = x;
m_logicalOriginY = y;
-
- ::SetWindowOrgEx((HDC) m_hDC, (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
+
+ ::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
}
-void wxDC::SetDeviceOrigin(long x, long y)
+void wxDC::SetDeviceOrigin(wxCoord x, wxCoord y)
{
m_deviceOriginX = x;
m_deviceOriginY = y;
-
- ::SetViewportOrgEx((HDC) m_hDC, (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
-}
-long wxDC::DeviceToLogicalX(long x) const
-{
- return (long) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX) - m_logicalOriginX) ;
+ ::SetViewportOrgEx(GetHdc(), (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
}
-long wxDC::DeviceToLogicalXRel(long x) const
-{
- return (long) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX)) ;
-}
+// ---------------------------------------------------------------------------
+// coordinates transformations
+// ---------------------------------------------------------------------------
-long wxDC::DeviceToLogicalY(long y) const
+wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
{
- return (long) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY) - m_logicalOriginY) ;
+ return (wxCoord) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX) - m_logicalOriginX);
}
-long wxDC::DeviceToLogicalYRel(long y) const
+wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
{
- return (long) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY)) ;
+ return (wxCoord) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX));
}
-long wxDC::LogicalToDeviceX(long x) const
+wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
{
- return (long) (floor((x) - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX + m_deviceOriginX) ;
+ return (wxCoord) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY) - m_logicalOriginY);
}
-long wxDC::LogicalToDeviceXRel(long x) const
+wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
{
- return (long) (floor(x)*m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX) ;
+ return (wxCoord) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY));
}
-long wxDC::LogicalToDeviceY(long y) const
+wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
{
- return (long) (floor((y) - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY + m_deviceOriginY);
+ return (wxCoord) ((x - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX + m_deviceOriginX);
}
-long wxDC::LogicalToDeviceYRel(long y) const
+wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
{
- return (long) (floor(y)*m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY) ;
+ return (wxCoord) (x*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX);
}
-// This group of functions may not do any conversion
-// if m_scaleGDI is TRUE, since the HDC does the
-// conversion automatically.
-
-long wxDC::ImplDeviceToLogicalX(long x) const
+wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
{
- // return (m_scaleGDI ? x : DeviceToLogicalX(x));
- return x;
+ return (wxCoord) ((y - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY + m_deviceOriginY);
}
-long wxDC::ImplDeviceToLogicalY(long y) const
+wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
{
- // return (m_scaleGDI ? y : DeviceToLogicalY(y));
- return y;
+ return (wxCoord) (y*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY);
}
-long wxDC::ImplDeviceToLogicalXRel(long x) const
+// ---------------------------------------------------------------------------
+// bit blit
+// ---------------------------------------------------------------------------
+bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
+ wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask)
{
- // return (m_scaleGDI ? x : DeviceToLogicalXRel(x));
- return x;
-}
+ wxCoord xdest1 = xdest;
+ wxCoord ydest1 = ydest;
+ wxCoord xsrc1 = xsrc;
+ wxCoord ysrc1 = ysrc;
-long wxDC::ImplDeviceToLogicalYRel(long y) const
-{
- // return (m_scaleGDI ? y : DeviceToLogicalYRel(y));
- return y;
-}
-
-long wxDC::ImplLogicalToDeviceX(long x) const
-{
- // return (m_scaleGDI ? (floor(double(x))) : LogicalToDeviceX(x));
- return x;
-}
-
-long wxDC::ImplLogicalToDeviceY(long y) const
-{
- // return (m_scaleGDI ? (floor(double(y))) : LogicalToDeviceY(y));
- return y;
-}
-
-long wxDC::ImplLogicalToDeviceXRel(long x) const
-{
- // return (m_scaleGDI ? (floor(double(x))) : LogicalToDeviceXRel(x));
- return x;
-}
-
-long wxDC::ImplLogicalToDeviceYRel(long y) const
-{
- // return (m_scaleGDI ? (floor(double(y))) : LogicalToDeviceYRel(y));
- return y;
-}
-
-bool wxDC::Blit(long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc, int rop, bool useMask)
-{
- long xdest1 = xdest;
- long ydest1 = ydest;
- long xsrc1 = xsrc;
- long ysrc1 = ysrc;
-
// Chris Breeze 18/5/98: use text foreground/background colours
// when blitting from 1-bit bitmaps
- COLORREF old_textground = ::GetTextColor((HDC)m_hDC);
- COLORREF old_background = ::GetBkColor((HDC)m_hDC);
+ COLORREF old_textground = ::GetTextColor(GetHdc());
+ COLORREF old_background = ::GetBkColor(GetHdc());
if (m_textForegroundColour.Ok())
{
- ::SetTextColor((HDC) m_hDC, m_textForegroundColour.GetPixel() ) ;
+ ::SetTextColor(GetHdc(), m_textForegroundColour.GetPixel() );
}
if (m_textBackgroundColour.Ok())
{
- ::SetBkColor((HDC) m_hDC, m_textBackgroundColour.GetPixel() ) ;
+ ::SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() );
}
-
+
DWORD dwRop = rop == wxCOPY ? SRCCOPY :
rop == wxCLEAR ? WHITENESS :
rop == wxSET ? BLACKNESS :
rop == wxSRC_OR ? SRCPAINT :
rop == wxSRC_AND ? SRCAND :
SRCCOPY;
-
+
bool success = TRUE;
if (useMask && source->m_selectedBitmap.Ok() && source->m_selectedBitmap.GetMask())
{
-
+
#if 0 // __WIN32__
// Not implemented under Win95 (or maybe a specific device?)
- if (MaskBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height,
+ if (MaskBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height,
(HDC) source->m_hDC, xsrc1, ysrc1, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap(),
0, 0, 0xAACC0020))
{
else
#endif
{
- // Old code
-#if 0
- HDC dc_mask = CreateCompatibleDC((HDC) source->m_hDC);
- ::SelectObject(dc_mask, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap());
- success = (BitBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height,
- dc_mask, xsrc1, ysrc1, 0x00220326 /* NOTSRCAND */) != 0);
- success = (BitBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height,
- (HDC) source->m_hDC, xsrc1, ysrc1, SRCPAINT) != 0);
- ::SelectObject(dc_mask, 0);
- ::DeleteDC(dc_mask);
-#endif
// New code from Chris Breeze, 15/7/98
// Blit bitmap with mask
-
+
if (IsKindOf(CLASSINFO(wxPrinterDC)))
{
// If we are printing source colours are screen colours
RECT rect;
HDC dc_mask = ::CreateCompatibleDC((HDC) source->m_hDC);
HDC dc_src = (HDC) source->m_hDC;
-
+
::SelectObject(dc_mask, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap());
for (int x = 0; x < width; x++)
{
HBRUSH brush = ::CreateSolidBrush(::GetPixel(dc_src, x, y));
rect.left = xdest1 + x; rect.right = rect.left + 1;
rect.top = ydest1 + y; rect.bottom = rect.top + 1;
- ::FillRect((HDC) m_hDC, &rect, brush);
+ ::FillRect(GetHdc(), &rect, brush);
::DeleteObject(brush);
}
}
{
// create a temp buffer bitmap and DCs to access it and the mask
HDC dc_mask = ::CreateCompatibleDC((HDC) source->m_hDC);
- HDC dc_buffer = ::CreateCompatibleDC((HDC) m_hDC);
- HBITMAP buffer_bmap = ::CreateCompatibleBitmap((HDC) m_hDC, width, height);
+ HDC dc_buffer = ::CreateCompatibleDC(GetHdc());
+ HBITMAP buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), width, height);
::SelectObject(dc_mask, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap());
::SelectObject(dc_buffer, buffer_bmap);
-
+
// copy dest to buffer
::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
- (HDC) m_hDC, xdest1, ydest1, SRCCOPY);
-
+ GetHdc(), xdest1, ydest1, SRCCOPY);
+
// copy src to buffer using selected raster op
::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
(HDC) source->m_hDC, xsrc1, ysrc1, dwRop);
-
+
// set masked area in buffer to BLACK (pixel value 0)
- COLORREF prevBkCol = ::SetBkColor((HDC) m_hDC, RGB(255, 255, 255));
- COLORREF prevCol = ::SetTextColor((HDC) m_hDC, RGB(0, 0, 0));
+ COLORREF prevBkCol = ::SetBkColor(GetHdc(), RGB(255, 255, 255));
+ COLORREF prevCol = ::SetTextColor(GetHdc(), RGB(0, 0, 0));
::BitBlt(dc_buffer, 0, 0, (int)width, (int)height,
dc_mask, xsrc1, ysrc1, SRCAND);
-
+
// set unmasked area in dest to BLACK
- ::SetBkColor((HDC) m_hDC, RGB(0, 0, 0));
- ::SetTextColor((HDC) m_hDC, RGB(255, 255, 255));
- ::BitBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height,
+ ::SetBkColor(GetHdc(), RGB(0, 0, 0));
+ ::SetTextColor(GetHdc(), RGB(255, 255, 255));
+ ::BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height,
dc_mask, xsrc1, ysrc1, SRCAND);
- ::SetBkColor((HDC) m_hDC, prevBkCol); // restore colours to original values
- ::SetTextColor((HDC) m_hDC, prevCol);
-
+ ::SetBkColor(GetHdc(), prevBkCol); // restore colours to original values
+ ::SetTextColor(GetHdc(), prevCol);
+
// OR buffer to dest
- success = (::BitBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height,
+ success = (::BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height,
dc_buffer, 0, 0, SRCPAINT) != 0);
-
+
// tidy up temporary DCs and bitmap
::SelectObject(dc_mask, 0);
::DeleteDC(dc_mask);
}
else
{
+ // If we are printing, source colours are screen colours
+ // not printer colours and so we need copy the bitmap
+ // pixel by pixel.
if (IsKindOf(CLASSINFO(wxPrinterDC)))
{
- // If we are printing, source colours are screen colours
- // not printer colours and so we need copy the bitmap
- // pixel by pixel.
+ HDC dc_src = (HDC) source->m_hDC;
+ RECT rect;
+ for (int y = 0; y < height; y++)
+ {
+ // This is Stefan Csomor's optimisation, where
+ // identical adjacent pixels are drawn together.
+ // We still need a faster way of drawing bitmaps,
+ // perhaps converting to a DIB first and using SetDIBitsToDevice.
+ for (int x = 0; x < width; x++)
+ {
+ COLORREF col = ::GetPixel(dc_src, x, y) ;
+ HBRUSH brush = ::CreateSolidBrush( col );
+
+ rect.left = xdest1 + x;
+ rect.top = ydest1 + y;
+ while( (x + 1 < width) && (::GetPixel(dc_src, x + 1, y) == col ) )
+ {
+ ++x ;
+ }
+ rect.right = xdest1 + x + 1;
+ rect.bottom = rect.top + 1;
+ ::FillRect((HDC) m_hDC, &rect, brush);
+ ::DeleteObject(brush);
+ }
+ }
+/*
HDC dc_src = (HDC) source->m_hDC;
RECT rect;
for (int x = 0; x < width; x++)
HBRUSH brush = ::CreateSolidBrush(::GetPixel(dc_src, x, y));
rect.left = xdest1 + x; rect.right = rect.left + 1;
rect.top = ydest1 + y; rect.bottom = rect.top + 1;
- ::FillRect((HDC) m_hDC, &rect, brush);
+ ::FillRect(GetHdc(), &rect, brush);
::DeleteObject(brush);
}
}
- }
+*/
+ }
else
{
- success = (BitBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height, (HDC) source->m_hDC,
+ success = (BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height, (HDC) source->m_hDC,
xsrc1, ysrc1, dwRop) != 0);
}
}
- ::SetTextColor((HDC)m_hDC, old_textground);
- ::SetBkColor((HDC)m_hDC, old_background);
-
- return success;
-}
+ ::SetTextColor(GetHdc(), old_textground);
+ ::SetBkColor(GetHdc(), old_background);
-void wxDC::GetSize(int* width, int* height) const
-{
- long w=::GetDeviceCaps((HDC) m_hDC,HORZRES);
- long h=::GetDeviceCaps((HDC) m_hDC,VERTRES);
- *width = w;
- *height = h;
-}
-
-void wxDC::GetSizeMM(int *width, int *height) const
-{
- int w=::GetDeviceCaps((HDC) m_hDC,HORZSIZE);
- int h=::GetDeviceCaps((HDC) m_hDC,VERTSIZE);
- *width = w;
- *height = h;
-}
-
-// Resolution in Pixels per inch
-wxSize wxDC::GetPPI(void) const
-{
- int x=::GetDeviceCaps((HDC) m_hDC,LOGPIXELSX);
- int y=::GetDeviceCaps((HDC) m_hDC,LOGPIXELSY);
- return wxSize(x, y);
+ return success;
}
-void wxDC::DrawPolygon(wxList *list, long xoffset, long yoffset,int fillStyle)
+void wxDC::DoGetSize(int *w, int *h) const
{
- int n = list->Number();
- wxPoint *points = new wxPoint[n];
-
- int i = 0;
- for(wxNode *node = list->First(); node; node = node->Next()) {
- wxPoint *point = (wxPoint *)node->Data();
- points[i].x = point->x;
- points[i++].y = point->y;
- }
- DrawPolygon(n, points, xoffset, yoffset,fillStyle);
- delete[] points;
+ if ( w ) *w = ::GetDeviceCaps(GetHdc(), HORZRES);
+ if ( h ) *h = ::GetDeviceCaps(GetHdc(), VERTRES);
}
-void wxDC::DrawLines(wxList *list, long xoffset, long yoffset)
+void wxDC::DoGetSizeMM(int *w, int *h) const
{
- int n = list->Number();
- wxPoint *points = new wxPoint[n];
-
- int i = 0;
- for(wxNode *node = list->First(); node; node = node->Next()) {
- wxPoint *point = (wxPoint *)node->Data();
- points[i].x = point->x;
- points[i++].y = point->y;
- }
- DrawLines(n, points, xoffset, yoffset);
- delete []points;
+ if ( w ) *w = ::GetDeviceCaps(GetHdc(), HORZSIZE);
+ if ( h ) *h = ::GetDeviceCaps(GetHdc(), VERTSIZE);
}
-void wxDC::SetTextForeground(const wxColour& colour)
+wxSize wxDC::GetPPI() const
{
- m_textForegroundColour = colour;
-}
+ int x = ::GetDeviceCaps(GetHdc(), LOGPIXELSX);
+ int y = ::GetDeviceCaps(GetHdc(), LOGPIXELSY);
-void wxDC::SetTextBackground(const wxColour& colour)
-{
- m_textBackgroundColour = colour;
+ return wxSize(x, y);
}
// For use by wxWindows only, unless custom units are required.
m_logicalScaleY = y;
}
-void wxDC::CalcBoundingBox(long x, long y)
-{
- 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;
-}
-
-void wxDC::GetClippingBox(long *x,long *y,long *w,long *h) const
-{
- if (m_clipping)
- {
- *x = m_clipX1 ;
- *y = m_clipY1 ;
- *w = (m_clipX2 - m_clipX1) ;
- *h = (m_clipY2 - m_clipY1) ;
- }
- else
- *x = *y = *w = *h = 0 ;
-}
-
#if WXWIN_COMPATIBILITY
-void wxDC::GetTextExtent(const wxString& string, float *x, float *y,
+void wxDC::DoGetTextExtent(const wxString& string, float *x, float *y,
float *descent, float *externalLeading,
wxFont *theFont, bool use16bit) const
{
- long x1, y1, descent1, externalLeading1;
+ wxCoord x1, y1, descent1, externalLeading1;
GetTextExtent(string, & x1, & y1, & descent1, & externalLeading1, theFont, use16bit);
*x = x1; *y = y1;
if (descent)
}
#endif
-int wxDC::GetDepth(void) const
-{
- return (int) ::GetDeviceCaps((HDC) m_hDC,BITSPIXEL);
-}
+// ---------------------------------------------------------------------------
+// spline drawing code
+// ---------------------------------------------------------------------------
#if wxUSE_SPLINES
-// Make a 3-point spline
-void wxDC::DrawSpline(long x1, long y1, long x2, long y2, long x3, long y3)
-{
- wxList *point_list = new wxList;
-
- 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;
- }
- delete point_list;
-}
-
-////#define wx_round(a) (int)((a)+.5)
-//#define wx_round(a) (a)
-
class wxSpline: public wxObject
{
public:
int type;
wxList *points;
-
+
wxSpline(wxList *list);
- void DeletePoints(void);
-
+ void DeletePoints();
+
// Doesn't delete points
- ~wxSpline(void);
+ ~wxSpline();
};
-void wxDC::DrawSpline(int n, wxPoint points[])
-{
- wxList list;
- int i;
- for (i =0; i < n; i++)
- list.Append((wxObject*)&points[i]);
- DrawSpline((wxList *)&list);
-}
-
void wx_draw_open_spline(wxDC *dc, wxSpline *spline);
void wx_quadratic_spline(double a1, double b1, double a2, double b2,
double a3, double b3, double a4, double b4);
-void wx_clear_stack(void);
+void wx_clear_stack();
int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, double *x3,
double *y3, double *x4, double *y4);
void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3,
static void wx_spline_draw_point_array(wxDC *dc);
wxSpline *wx_make_spline(int x1, int y1, int x2, int y2, int x3, int y3);
-void wxDC::DrawSpline(wxList *list)
+void wxDC::DoDrawSpline(wxList *list)
{
wxSpline spline(list);
-
+
wx_draw_open_spline(this, &spline);
}
-
wxList wx_spline_point_list;
void wx_draw_open_spline(wxDC *dc, wxSpline *spline)
wxPoint *p;
double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
double x1, y1, x2, y2;
-
+
wxNode *node = spline->points->First();
p = (wxPoint *)node->Data();
-
+
x1 = p->x;
y1 = p->y;
-
+
node = node->Next();
p = (wxPoint *)node->Data();
-
+
x2 = p->x;
y2 = p->y;
cx1 = (double)((x1 + x2) / 2);
cy1 = (double)((y1 + y2) / 2);
cx2 = (double)((cx1 + x2) / 2);
cy2 = (double)((cy1 + y2) / 2);
-
+
wx_spline_add_point(x1, y1);
-
+
while ((node = node->Next()) != NULL)
{
p = (wxPoint *)node->Data();
cy4 = (double)(y1 + y2) / 2;
cx3 = (double)(x1 + cx4) / 2;
cy3 = (double)(y1 + cy4) / 2;
-
+
wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4);
-
+
cx1 = cx4;
cy1 = cy4;
cx2 = (double)(cx1 + x2) / 2;
cy2 = (double)(cy1 + y2) / 2;
}
-
+
wx_spline_add_point((double)wx_round(cx1), (double)wx_round(cy1));
wx_spline_add_point(x2, y2);
-
+
wx_spline_draw_point_array(dc);
-
+
}
/********************* CURVES FOR SPLINES *****************************
The following spline drawing routine is from
-
+
"An Algorithm for High-Speed Curve Generation"
by George Merrill Chaikin,
Computer Graphics and Image Processing, 3, Academic Press,
1974, 346-349.
-
+
and
-
+
"On Chaikin's Algorithm" by R. F. Riesenfeld,
Computer Graphics and Image Processing, 4, Academic Press,
1975, 304-310.
-
+
***********************************************************************/
#define half(z1, z2) ((z1+z2)/2.0)
{
register double xmid, ymid;
double x1, y1, x2, y2, x3, y3, x4, y4;
-
+
wx_clear_stack();
wx_spline_push(a1, b1, a2, b2, a3, b3, a4, b4);
-
+
while (wx_spline_pop(&x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4)) {
xmid = (double)half(x2, x3);
ymid = (double)half(y2, y3);
static Stack *wx_stack_top;
static int wx_stack_count;
-void wx_clear_stack(void)
+void wx_clear_stack()
{
wx_stack_top = wx_spline_stack;
wx_stack_count = 0;
static bool wx_spline_add_point(double x, double y)
{
- wxPoint *point = new wxPoint ;
+ wxPoint *point = new wxPoint;
point->x = (int) x;
point->y = (int) y;
wx_spline_point_list.Append((wxObject*)point);
points = list;
}
-wxSpline::~wxSpline(void)
+wxSpline::~wxSpline()
{
}
-void wxSpline::DeletePoints(void)
+void wxSpline::DeletePoints()
{
for(wxNode *node = points->First(); node; node = points->First())
{
projects / wxWidgets.git / blobdiff