// Default constructor
wxDC::wxDC(void)
{
- // Stop internal GDI objects being found and pointers kept
- // after these objects have been deleted.
- // No - it's OK; these lists won't return them
- // because their 'visible' status will be FALSE.
-/*
- wxTheFontList->RemoveFont(&m_font);
- wxThePenList->RemovePen(&m_pen);
- wxTheBrushList->RemoveBrush(&m_brush);
- wxTheBrushList->RemoveBrush(&m_backgroundBrush);
-*/
-
m_minX = 0; m_minY = 0; m_maxX = 0; m_maxY = 0;
m_clipping = FALSE;
m_autoSetting = TRUE ;
-// m_scaleGDI = TRUE;
m_filename = "";
-// m_selectedBitmap = NULL;
m_canvas = NULL;
-/*
- cur_dc = NULL ;
- cur_bk = 0 ;
- cur_cpen = NULL ;
- cur_cbrush = 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_font = NULL;
m_logicalOriginX = 0;
m_logicalOriginY = 0;
m_deviceOriginX = 0;
m_systemScaleX = 1.0;
m_systemScaleY = 1.0;
m_mappingMode = MM_TEXT;
-// m_dontDelete = FALSE;
m_bOwnsDC = FALSE;
m_hDC = 0;
m_clipping = FALSE;
m_logicalFunction = -1;
m_backgroundBrush = *wxWHITE_BRUSH;
-// m_backgroundBrush.UseResource();
m_textForegroundColour = *wxBLACK;
m_textBackgroundColour = *wxWHITE;
}
}
-/*
- if (m_hDC)
- {
- SelectOldObjects(m_hDC);
- ::DeleteDC((HDC) m_hDC);
- }
-*/
}
// This will select current objects out of the DC,
#endif
m_oldPalette = 0 ;
}
-/*
- if (m_font.Ok())
- m_font.ReleaseResource();
- if (m_pen.Ok())
- m_pen.ReleaseResource();
- if (m_brush.Ok())
- m_brush.ReleaseResource();
- if (m_backgroundBrush.Ok())
- m_backgroundBrush.ReleaseResource();
-*/
m_brush = wxNullBrush ;
m_pen = wxNullPen;
m_clipX2 = (int)(cx + cw);
m_clipY2 = (int)(cy + ch);
- BeginDrawing();
-
DoClipping((WXHDC) m_hDC);
-
- EndDrawing();
}
void wxDC::DoClipping(WXHDC dc)
{
IntersectClipRect((HDC) dc, XLOG2DEV(m_clipX1), YLOG2DEV(m_clipY1),
XLOG2DEV(m_clipX2), YLOG2DEV(m_clipY2));
-#if 0
- int x_off = 0;
- int y_off = 0;
- if (m_canvas)
- {
- m_canvas->CalcScrolledPosition(0, 0, &x_off, &y_off);
- }
-// HRGN rgn = CreateRectRgn(XLOG2DEV(m_clipX1 + x_off), YLOG2DEV(m_clipY1 + y_off),
-// XLOG2DEV(m_clipX2 + x_off), YLOG2DEV(m_clipY2 + y_off));
-
-// SelectClipRgn(dc, rgn);
-// DeleteObject(rgn);
- IntersectClipRect((HDC) dc, XLOG2DEV(m_clipX1 + x_off), YLOG2DEV(m_clipY1 + y_off),
- XLOG2DEV(m_clipX2 + x_off), YLOG2DEV(m_clipY2 + y_off));
-#endif
}
}
void wxDC::DestroyClippingRegion(void)
{
- BeginDrawing();
-
if (m_clipping && m_hDC)
{
-// SelectClipRgn(dc, NULL);
HRGN rgn = CreateRectRgn(0, 0, 32000, 32000);
#if DEBUG > 1
wxDebugMsg("wxDC::DestroyClippingRegion: Selecting HRGN %X\n", rgn);
DeleteObject(rgn);
}
m_clipping = FALSE;
-
- EndDrawing();
}
bool wxDC::CanDrawBitmap(void) const
void wxDC::SetPalette(const wxPalette& palette)
{
- BeginDrawing();
+ // 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 = m_palette;
#endif
::RealizePalette((HDC) m_hDC);
}
-
- EndDrawing();
}
void wxDC::Clear(void)
{
- BeginDrawing();
-
RECT rect;
if (m_canvas)
GetClientRect((HWND) m_canvas->GetHWND(), &rect);
::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);
-
- EndDrawing();
}
void wxDC::FloodFill(long x, long y, wxColour *col, int style)
if (m_brush.Ok() && m_autoSetting)
SetBrush(m_brush);
-// if (m_canvas)
-// m_canvas->CalcScrolledPosition((int)x, (int)y, &xx, &yy);
-
- BeginDrawing();
-
(void)ExtFloodFill((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y),
col->GetPixel(),
style==wxFLOOD_SURFACE?
FLOODFILLSURFACE:FLOODFILLBORDER
);
- EndDrawing();
-
CalcBoundingBox(x, y);
}
long x2 = x+2000;
long y2 = y+2000;
- BeginDrawing();
-
(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));
- EndDrawing();
-
CalcBoundingBox(x1, y1);
CalcBoundingBox(x2, y2);
}
if (m_pen.Ok() && m_autoSetting)
SetPen(m_pen);
- BeginDrawing();
-
(void)MoveToEx((HDC) m_hDC, XLOG2DEV(x1), YLOG2DEV(y1), NULL);
(void)LineTo((HDC) m_hDC, XLOG2DEV(x2), YLOG2DEV(y2));
(void)LineTo((HDC) m_hDC, XLOG2DEV(x2) + 1, YLOG2DEV(y2));
#endif
- EndDrawing();
-
CalcBoundingBox(x1, y1);
CalcBoundingBox(x2, y2);
}
if (m_pen.Ok() && m_autoSetting)
SetPen(m_pen) ;
- BeginDrawing();
-
long xx1 = XLOG2DEV(x1) ;
long yy1 = YLOG2DEV(y1) ;
long xx2 = XLOG2DEV(x2) ;
Arc((HDC) m_hDC,xxx1,yyy1,xxx2,yyy2,
xx1,yy1,xx2,yy2) ;
- EndDrawing();
-
CalcBoundingBox((xc-radius), (yc-radius));
CalcBoundingBox((xc+radius), (yc+radius));
}
if (m_pen.Ok() && m_autoSetting)
SetPen(m_pen) ;
- BeginDrawing();
-
COLORREF color = 0x00ffffff;
if (m_pen.Ok())
{
-// m_pen.RealizeResource();
color = m_pen.GetColour().GetPixel() ;
}
SetPixel((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), color);
- EndDrawing();
-
CalcBoundingBox(x, y);
}
if (m_pen.Ok() && m_autoSetting)
SetPen(m_pen) ;
- BeginDrawing();
-
POINT *cpoints = new POINT[n];
int i;
for (i = 0; i < n; i++)
(void)Polygon((HDC) m_hDC, cpoints, n);
SetPolyFillMode((HDC) m_hDC,prev) ;
- EndDrawing();
-
delete[] cpoints;
}
if (m_pen.Ok() && m_autoSetting)
SetPen(m_pen) ;
- BeginDrawing();
-
POINT *cpoints = new POINT[n];
int i;
for (i = 0; i < n; i++)
(void)Polyline((HDC) m_hDC, cpoints, n);
- EndDrawing();
-
delete[] cpoints;
}
long x2 = x + width;
long y2 = y + height;
- BeginDrawing();
-
/* MATTHEW: [6] new normalization */
#if WX_STANDARD_GRAPHICS
bool do_brush, do_pen;
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
-
- EndDrawing();
}
void wxDC::DrawRoundedRectangle(long x, long y, long width, long height, double radius)
long x2 = (x+width);
long y2 = (y+height);
- BeginDrawing();
-
(void)RoundRect((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2),
YLOG2DEV(y2), 2*XLOG2DEV(radius), 2*YLOG2DEV(radius));
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
-
- EndDrawing();
}
void wxDC::DrawEllipse(long x, long y, long width, long height)
long x2 = (x+width);
long y2 = (y+height);
- BeginDrawing();
-
(void)Ellipse((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2));
- EndDrawing();
-
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
}
long x2 = (x+w);
long y2 = (y+h);
- BeginDrawing();
-
const double deg2rad = 3.14159265359 / 180.0;
int rx1 = XLOG2DEV(x+w/2);
int ry1 = YLOG2DEV(y+h/2);
(void)Arc((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2),
rx1, ry1, rx2, ry2);
- EndDrawing();
-
CalcBoundingBox(x, y);
CalcBoundingBox(x2, y2);
}
void wxDC::DrawIcon(const wxIcon& icon, long x, long y)
{
- BeginDrawing();
-
::DrawIcon((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON());
CalcBoundingBox(x, y);
CalcBoundingBox(x+icon.GetWidth(), y+icon.GetHeight());
-
- EndDrawing();
}
void wxDC::SetFont(const wxFont& the_font)
{
- // Release the current font from servitude (decrements the usage count)
-// if (m_font.Ok())
-// m_font.ReleaseResource();
-
- BeginDrawing();
+ // 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);
+ m_oldFont = 0;
+ }
m_font = the_font;
if (!m_oldFont)
m_oldFont = (WXHFONT) f;
}
- EndDrawing();
}
void wxDC::SetPen(const wxPen& pen)
{
- BeginDrawing();
-
-// if (m_pen.Ok())
-// m_pen.ReleaseResource();
+ // Set the old object temporarily, in case the assignment deletes an object
+ // that's not yet selected out.
+ if (m_oldPen)
+ {
+ ::SelectObject((HDC) m_hDC, (HPEN) m_oldPen);
+ m_oldPen = 0;
+ }
m_pen = pen;
if (m_pen.Ok())
{
-// m_pen.UseResource();
-// m_pen.RealizeResource();
if (m_pen.GetResourceHandle())
{
HPEN p = (HPEN) ::SelectObject((HDC) m_hDC, (HPEN)m_pen.GetResourceHandle()) ;
m_oldPen = (WXHPEN) p;
}
}
-
- EndDrawing();
}
void wxDC::SetBrush(const wxBrush& brush)
{
- BeginDrawing();
-
-// if (m_brush.Ok())
-// m_brush.ReleaseResource();
+ // Set the old object temporarily, in case the assignment deletes an object
+ // that's not yet selected out.
+ if (m_oldBrush)
+ {
+ ::SelectObject((HDC) m_hDC, (HBRUSH) m_oldBrush);
+ m_oldBrush = 0;
+ }
m_brush = brush;
if (m_brush.Ok())
{
-// m_brush.UseResource();
-// m_brush.RealizeResource();
-
if (m_brush.GetResourceHandle())
{
HBRUSH b = 0;
m_oldBrush = (WXHBRUSH) b;
}
}
- EndDrawing();
}
void wxDC::DrawText(const wxString& text, long x, long y, bool use16bit)
{
- BeginDrawing();
-
if (m_font.Ok() && m_font.GetResourceHandle())
{
#if DEBUG > 1
long w, h;
GetTextExtent(text, &w, &h);
CalcBoundingBox((x + w), (y + h));
-
- EndDrawing();
}
void wxDC::SetBackground(const wxBrush& brush)
{
-// if (m_backgroundBrush.Ok())
-// m_backgroundBrush.ReleaseResource();
-
m_backgroundBrush = brush;
if (!m_backgroundBrush.Ok())
return;
-// m_backgroundBrush.UseResource();
-// m_backgroundBrush.RealizeResource() ;
-
if (m_canvas)
{
bool customColours = TRUE;
if (customColours)
{
-// HBRUSH br = (m_backgroundBrush.GetStyle()==wxTRANSPARENT) ?
-// GetStockObject(NULL_BRUSH) : (HBRUSH) m_backgroundBrush.GetResourceHandle();
if (m_backgroundBrush.GetStyle()==wxTRANSPARENT)
{
m_canvas->m_backgroundTransparent = TRUE;
}
}
}
- BeginDrawing();
-
COLORREF new_color = m_backgroundBrush.GetColour().GetPixel() ;
{
(void)SetBkColor((HDC) m_hDC, new_color);
}
-
- EndDrawing();
}
void wxDC::SetBackgroundMode(int mode)
{
m_backgroundMode = mode;
- BeginDrawing();
-
if (m_backgroundMode == wxTRANSPARENT)
::SetBkMode((HDC) m_hDC, TRANSPARENT);
else
::SetBkMode((HDC) m_hDC, OPAQUE);
-
- EndDrawing();
}
void wxDC::SetLogicalFunction(int function)
{
m_logicalFunction = function;
- BeginDrawing();
-
SetRop((WXHDC) m_hDC);
-
- EndDrawing();
}
void wxDC::SetRop(WXHDC dc)
int mm_width = 0;
int mm_height = 0;
- BeginDrawing();
-
pixel_width = GetDeviceCaps((HDC) m_hDC, HORZRES);
pixel_height = GetDeviceCaps((HDC) m_hDC, VERTRES);
mm_width = GetDeviceCaps((HDC) m_hDC, HORZSIZE);
if ((pixel_width == 0) || (pixel_height == 0) || (mm_width == 0) || (mm_height == 0))
{
-// if (!m_hDC && m_canvas)
-// m_canvas->ReleaseHDC() ;
return;
}
::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);
-
- EndDrawing();
}
void wxDC::SetUserScale(double x, double y)
m_logicalOriginX = x;
m_logicalOriginY = y;
- BeginDrawing();
-
::SetWindowOrgEx((HDC) m_hDC, (int)m_logicalOriginX, (int)m_logicalOriginY, NULL);
-
- EndDrawing();
}
void wxDC::SetDeviceOrigin(long x, long y)
m_deviceOriginX = x;
m_deviceOriginY = y;
- BeginDrawing();
-
::SetViewportOrgEx((HDC) m_hDC, (int)m_deviceOriginX, (int)m_deviceOriginY, NULL);
-
- EndDrawing();
}
long wxDC::DeviceToLogicalX(long x) const
bool wxDC::Blit(long xdest, long ydest, long width, long height,
wxDC *source, long xsrc, long ysrc, int rop, bool useMask)
{
- BeginDrawing();
- source->BeginDrawing();
-
long xdest1 = xdest;
long ydest1 = ydest;
long xsrc1 = xsrc;
}
::SetTextColor((HDC)m_hDC, old_textground);
::SetBkColor((HDC)m_hDC, old_background);
- source->EndDrawing();
- EndDrawing();
return success;
}
*height = h;
}
-/*
-#if USE_SPLINES
-# if USE_XFIG_SPLINE_CODE
-# include "../common/xfspline.inc"
-# else
-# include "../common/wxspline.inc"
-# endif
-#endif // USE_SPLINES
-*/
-
#if USE_SPLINES
#include "xfspline.inc"
#endif // USE_SPLINES
delete p;
}
delete point_list;
-/*
- wxSpline spline(point_list);
-
- wx_draw_open_spline(this, &spline);
- spline.DeletePoints();
- */
}
#endif
projects / wxWidgets.git / blobdiff