#include "wx/dcmemory.h"
#include "wx/log.h"
#include "wx/icon.h"
+ #include "wx/msgdlg.h"
#endif
#include "wx/dcprint.h"
IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
+//
+// wxWindows uses the Microsoft convention that the origin is the UPPER left.
+// Native OS/2 however in the GPI and PM define the origin as the LOWER left.
+// In order to map OS/2 GPI/PM y coordinates to wxWindows coordinates we must
+// perform the following transformation:
+//
+// Parent object height: POBJHEIGHT
+// Desried origin: WXORIGINY
+// Object to place's height: OBJHEIGHT
+//
+// To get the OS2 position from the wxWindows one:
+//
+// OS2Y = POBJHEIGHT - (WXORIGINY + OBJHEIGHT)
+//
+// For OS/2 wxDC's we will always determine m_vRclPaint as the size of the
+// OS/2 Presentation Space associated with the device context. y is the
+// desired application's y coordinate of the origin in wxWindows space.
+// objy is the height of the object we are going to draw.
+//
+#define OS2Y(y, objy) ((m_vRclPaint.yTop - m_vRclPaint.yBottom) - (y + objy))
+
// ---------------------------------------------------------------------------
// constants
// ---------------------------------------------------------------------------
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
+// ---------------------------------------------------------------------------
+
+// convert degrees to radians
+static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
+
+int SetTextColor(
+ HPS hPS
+, int nForegroundColour
+)
+{
+ CHARBUNDLE vCbnd;
+
+ vCbnd.lColor = nForegroundColour;
+ ::GpiSetAttrs( hPS // presentation-space handle
+ ,PRIM_CHAR // Char primitive.
+ ,CBB_COLOR // sets color.
+ ,0 //
+ ,&vCbnd // buffer for attributes.
+ );
+ return 0;
+}
+
+int QueryTextBkColor(
+ HPS hPS
+)
+{
+ CHARBUNDLE vCbnd;
+
+ ::GpiQueryAttrs( hPS // presentation-space handle
+ ,PRIM_CHAR // Char primitive.
+ ,CBB_BACK_COLOR // Background color.
+ ,&vCbnd // buffer for attributes.
+ );
+ return vCbnd.lBackColor;
+}
+
+
+int SetTextBkColor(
+ HPS hPS
+, int nBackgroundColour
+)
+{
+ CHARBUNDLE vCbnd;
+ int rc;
+
+ rc = QueryTextBkColor(hPS);
+
+ vCbnd.lBackColor = nBackgroundColour;
+ ::GpiSetAttrs(hPS, // presentation-space handle
+ PRIM_CHAR, // Char primitive.
+ CBB_BACK_COLOR, // sets color.
+ 0,
+ &vCbnd // buffer for attributes.
+ );
+ return rc;
+}
+
+int SetBkMode(
+ HPS hPS
+, int nBackgroundMode
+)
+{
+ if(nBackgroundMode == wxTRANSPARENT)
+ ::GpiSetBackMix( hPS
+ ,BM_LEAVEALONE
+ );
+ else
+ // the background of the primitive takes over whatever is underneath.
+ ::GpiSetBackMix( hPS
+ ,BM_OVERPAINT
+ );
+ return 0;
+}
+
// ===========================================================================
// implementation
// ===========================================================================
+#if wxUSE_DC_CACHEING
+
+/*
+ * This implementation is a bit ugly and uses the old-fashioned wxList class, so I will
+ * improve it in due course, either using arrays, or simply storing pointers to one
+ * entry for the bitmap, and two for the DCs. -- JACS
+ */
+
+// ---------------------------------------------------------------------------
+// wxDCCacheEntry
+// ---------------------------------------------------------------------------
+
+wxList wxDC::m_svBitmapCache;
+wxList wxDC::m_svDCCache;
+
+wxDCCacheEntry::wxDCCacheEntry(
+ WXHBITMAP hBitmap
+, int nWidth
+, int nHeight
+, int nDepth
+)
+{
+ m_hBitmap = hBitmap;
+ m_hPS = NULLHANDLE;
+ m_nWidth = nWidth;
+ m_nHeight = nHeight;
+ m_nDepth = nDepth;
+} // end of wxDCCacheEntry::wxDCCacheEntry
+
+wxDCCacheEntry::wxDCCacheEntry(
+ HPS hPS
+, int nDepth
+)
+{
+ m_hBitmap = NULLHANDLE;
+ m_hPS = hPS;
+ m_nWidth = 0;
+ m_nHeight = 0;
+ m_nDepth = nDepth;
+} // end of wxDCCacheEntry::wxDCCacheEntry
+
+wxDCCacheEntry::~wxDCCacheEntry()
+{
+ if (m_hBitmap)
+ ::GpiDeleteBitmap(m_hBitmap);
+ if (m_hPS)
+ ::GpiDestroyPS(m_hPS);
+} // end of wxDCCacheEntry::~wxDCCacheEntry
+
+wxDCCacheEntry* wxDC::FindBitmapInCache(
+ HPS hPS
+, int nWidth
+, int nHeight
+)
+{
+ int nDepth = 24 // we'll fix this later ::GetDeviceCaps((HDC) dc, PLANES) * ::GetDeviceCaps((HDC) dc, BITSPIXEL);
+ wxNode* pNode = m_svBitmapCache.First();
+ BITMAPINFOHEADER2 vBmpHdr;
+
+ while(pNode)
+ {
+ wxDCCacheEntry* pEntry = (wxDCCacheEntry*)pNode->Data();
+
+ if (pEntry->m_nDepth == nDepth)
+ {
+ memset(&vBmpHdr, 0, sizeof(BITMAPINFOHEADER2));
+
+ if (pEntry->m_nWidth < nWidth || pEntry->m_nHeight < nHeight)
+ {
+ ::GpiDeleteBitmap((HBITMAP)pEntry->m_hBitmap);
+ vBmpHdr.cbFix = sizeof(BITMAPINFOHEADER2);
+ vBmpHdr.cx = nWidth;
+ vBmpHdr.cy = nHeight;
+ vBmpHdr.cPlanes = 1;
+ vBmpHdr.cBitCount = nDepth;
+
+ pEntry->m_hBitmap = (WXHBITMAP) ::GpiCreateBitmap( hPS
+ ,&vBmpHdr
+ ,0L, NULL, NULL
+ );
+ if (!pEntry->m_hBitmap)
+ {
+ wxLogLastError(wxT("CreateCompatibleBitmap"));
+ }
+ pEntry->m_nWidth = nWidth;
+ pEntry->m_nHeight = nHeight;
+ return pEntry;
+ }
+ return pEntry;
+ }
+ pNode = pNode->Next();
+ }
+ memset(&vBmpHdr, 0, sizeof(BITMAPINFOHEADER2));
+ vBmpHdr.cbFix = sizeof(BITMAPINFOHEADER2);
+ vBmpHdr.cx = nWidth;
+ vBmpHdr.cy = nHeight;
+ vBmpHdr.cPlanes = 1;
+ vBmpHdr.cBitCount = nDepth;
+
+ WXHBITMAP hBitmap = (WXHBITMAP) ::GpiCreateBitmap( hPS
+ ,&vBmpHdr
+ ,0L, NULL, NULL
+ );
+ if (!hBitmap)
+ {
+ wxLogLastError(wxT("CreateCompatibleBitmap"));
+ }
+ wxDCCacheEntry* pEntry = new wxDCCacheEntry( hBitmap
+ ,nWidth
+ ,nHeight
+ ,nDepth
+ );
+ AddToBitmapCache(pEntry);
+ return pEntry;
+} // end of FindBitmapInCache
+
+wxDCCacheEntry* wxDC::FindDCInCache(
+ wxDCCacheEntry* pNotThis
+, HPS hPS
+)
+{
+ int nDepth = 24; // we'll fix this up later ::GetDeviceCaps((HDC) dc, PLANES) * ::GetDeviceCaps((HDC) dc, BITSPIXEL);
+ wxNode* pNode = m_svDCCache.First();
+
+ while(pNode)
+ {
+ wxDCCacheEntry* pEntry = (wxDCCacheEntry*)pNode->Data();
+
+ //
+ // Don't return the same one as we already have
+ //
+ if (!pNotThis || (pNotThis != pEntry))
+ {
+ if (pEntry->m_nDepth == nDepth)
+ {
+ return pEntry;
+ }
+ }
+ pNode = pNode->Next();
+ }
+ wxDCCacheEntry* pEntry = new wxDCCacheEntry( hPS
+ ,nDepth
+ );
+ AddToDCCache(pEntry);
+ return pEntry;
+} // end of wxDC::FindDCInCache
+
+void wxDC::AddToBitmapCache(
+ wxDCCacheEntry* pEntry
+)
+{
+ m_svBitmapCache.Append(pEntry);
+} // end of wxDC::AddToBitmapCache
+
+void wxDC::AddToDCCache(
+ wxDCCacheEntry* pEntry
+)
+{
+ m_svDCCache.Append(pEntry);
+} // end of wxDC::AddToDCCache
+
+void wxDC::ClearCache()
+{
+ m_svBitmapCache.DeleteContents(TRUE);
+ m_svBitmapCache.Clear();
+ m_svBitmapCache.DeleteContents(FALSE);
+ m_svDCCache.DeleteContents(TRUE);
+ m_svDCCache.Clear();
+ m_svDCCache.DeleteContents(FALSE);
+} // end of wxDC::ClearCache
+
+// Clean up cache at app exit
+class wxDCModule : public wxModule
+{
+public:
+ virtual bool OnInit() { return TRUE; }
+ virtual void OnExit() { wxDC::ClearCache(); }
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxDCModule)
+}; // end of CLASS wxDCModule
+
+IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
+
+#endif // ndef for wxUSE_DC_CACHEING
+
// ---------------------------------------------------------------------------
// wxDC
// ---------------------------------------------------------------------------
wxDC::wxDC(void)
{
- m_canvas = NULL;
+ wxColour vColor;
+
+ m_pCanvas = NULL;
- m_oldBitmap = 0;
- m_oldPen = 0;
- m_oldBrush = 0;
- m_oldFont = 0;
- m_oldPalette = 0;
+ m_hOldBitmap = 0;
+ m_hOldPen = 0;
+ m_hOldBrush = 0;
+ m_hOldFont = 0;
+ m_hOldPalette = 0;
- m_bOwnsDC = FALSE;
- m_hDC = 0;
- m_hDCCount = 0;
-};
+ m_bOwnsDC = FALSE;
+ m_hDC = 0;
+ m_hOldPS = NULL;
+ m_hPS = NULL;
+ m_bIsPaintTime = FALSE; // True at Paint Time
+
+ vColor.InitFromName("BLACK");
+ m_pen.SetColour(vColor);
+ vColor.Set("WHITE");
+ m_brush.SetColour(vColor);
+} // end of wxDC::wxDC
wxDC::~wxDC(void)
{
- // TODO:
-};
+ if ( m_hDC != 0 )
+ {
+ SelectOldObjects(m_hDC);
+
+ // if we own the HDC, we delete it, otherwise we just release it
+
+ if (m_bOwnsDC)
+ {
+ if(m_hPS)
+ {
+ ::GpiAssociate(m_hPS, NULLHANDLE);
+ ::GpiDestroyPS(m_hPS);
+ }
+ m_hPS = NULLHANDLE;
+ ::DevCloseDC((HDC)m_hDC);
+ }
+ else
+ {
+ //
+ // Just Dissacociate, not destroy if we don't own the DC
+ //
+ if(m_hPS)
+ {
+ ::GpiAssociate(m_hPS, NULLHANDLE);
+ }
+ }
+ }
+} // end of wxDC::~wxDC
// This will select current objects out of the DC,
// which is what you have to do before deleting the
// DC.
-void wxDC::SelectOldObjects(WXHDC dc)
+void wxDC::SelectOldObjects(
+ WXHDC hPS
+)
{
- if (dc)
+ if (hPS)
{
- if (m_oldBitmap)
+ if (m_hOldBitmap)
{
-// ::SelectObject((HDC) dc, (HBITMAP) m_oldBitmap);
- if (m_selectedBitmap.Ok())
+ ::GpiSetBitmap(hPS, (HBITMAP) m_hOldBitmap);
+ if (m_vSelectedBitmap.Ok())
{
- m_selectedBitmap.SetSelectedInto(NULL);
+ m_vSelectedBitmap.SetSelectedInto(NULL);
}
}
- m_oldBitmap = 0;
- if (m_oldPen)
- {
-// ::SelectObject((HDC) dc, (HPEN) m_oldPen);
- }
- m_oldPen = 0;
- if (m_oldBrush)
- {
-// ::SelectObject((HDC) dc, (HBRUSH) m_oldBrush);
- }
- m_oldBrush = 0;
- if (m_oldFont)
- {
-// ::SelectObject((HDC) dc, (HFONT) m_oldFont);
- }
- m_oldFont = 0;
- if (m_oldPalette)
- {
-// ::SelectPalette((HDC) dc, (HPALETTE) m_oldPalette, TRUE);
- }
- m_oldPalette = 0;
+ m_hOldBitmap = 0;
+ //
+ // OS/2 has no other native GDI objects to set in a PS/DC like windows
+ //
+ m_hOldPen = 0;
+ m_hOldBrush = 0;
+ m_hOldFont = 0;
+ m_hOldPalette = 0;
}
- m_brush = wxNullBrush;
- m_pen = wxNullPen;
- m_palette = wxNullPalette;
- m_font = wxNullFont;
+ m_brush = wxNullBrush;
+ m_pen = wxNullPen;
+ m_palette = wxNullPalette;
+ m_font = wxNullFont;
m_backgroundBrush = wxNullBrush;
- m_selectedBitmap = wxNullBitmap;
-}
+ m_vSelectedBitmap = wxNullBitmap;
+} // end of wxDC::SelectOldObjects
// ---------------------------------------------------------------------------
// clipping
// ---------------------------------------------------------------------------
-void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
-{
- // TODO
+#define DO_SET_CLIPPING_BOX() \
+{ \
+ RECTL rect; \
+ \
+ ::GpiQueryClipBox(m_hPS, &rect); \
+ \
+ m_clipX1 = (wxCoord) XDEV2LOG(rect.xLeft); \
+ m_clipY1 = (wxCoord) YDEV2LOG(rect.yTop); \
+ m_clipX2 = (wxCoord) XDEV2LOG(rect.xRight); \
+ m_clipY2 = (wxCoord) YDEV2LOG(rect.yBottom); \
}
-void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y
- ,wxCoord width, wxCoord height
- )
-{
- // TODO
-}
+void wxDC::DoSetClippingRegion(
+ wxCoord vX
+, wxCoord vY
+, wxCoord vWidth
+, wxCoord vHeight
+)
+{
+ RECTL vRect;
+
+ vY = OS2Y(vY,vHeight);
+ m_clipping = TRUE;
+ vRect.xLeft = vX;
+ vRect.yTop = vY + vHeight;
+ vRect.xRight = vX + vWidth;
+ vRect.yBottom = vY;
+ ::GpiIntersectClipRectangle(m_hPS, &vRect);
+ DO_SET_CLIPPING_BOX()
+} // end of wxDC::DoSetClippingRegion
+
+void wxDC::DoSetClippingRegionAsRegion(
+ const wxRegion& rRegion
+)
+{
+ wxCHECK_RET(rRegion.GetHRGN(), wxT("invalid clipping region"));
+ HRGN hRgnOld;
+
+ m_clipping = TRUE;
+ ::GpiSetClipRegion( m_hPS
+ ,(HRGN)rRegion.GetHRGN()
+ ,&hRgnOld
+ );
+ DO_SET_CLIPPING_BOX()
+} // end of wxDC::DoSetClippingRegionAsRegion
-void wxDC::DoClipping(WXHDC dc)
+void wxDC::DestroyClippingRegion(void)
{
- if (m_clipping && dc)
+ if (m_clipping && m_hPS)
{
-// TODO:
-// IntersectClipRect((HDC) dc, XLOG2DEV(m_clipX1), YLOG2DEV(m_clipY1),
-// XLOG2DEV(m_clipX2), YLOG2DEV(m_clipY2));
- }
-}
+ HRGN hRgnOld;
+ RECTL vRect;
-void wxDC::DestroyClippingRegion(void)
-{
- // TODO:
-};
+ // TODO: this should restore the previous clipped region
+ // so that OnPaint processing works correctly, and
+ // the update doesn't get destroyed after the first
+ // DestroyClippingRegion
+ vRect.xLeft = XLOG2DEV(0);
+ vRect.yTop = YLOG2DEV(32000);
+ vRect.xRight = XLOG2DEV(32000);
+ vRect.yBottom = YLOG2DEV(0);
+
+ HRGN hRgn = ::GpiCreateRegion(m_hPS, 1, &vRect);
+
+ ::GpiSetClipRegion(m_hPS, hRgn, &hRgnOld);
+ }
+ m_clipping = FALSE;
+} // end of wxDC::DestroyClippingRegion
// ---------------------------------------------------------------------------
// query capabilities
bool wxDC::CanGetTextExtent() const
{
- // What sort of display is it?
- int technology = 0; // TODO: ::GetDeviceCaps(GetHdc(), TECHNOLOGY);
+ LONG lTechnology = 0L;
- // TODO: return (technology == DT_RASDISPLAY) || (technology == DT_RASPRINTER);
- return FALSE;
-}
+ ::DevQueryCaps(GetHDC(), CAPS_TECHNOLOGY, 1L, &lTechnology);
+ return (lTechnology == CAPS_TECH_RASTER_DISPLAY) || (lTechnology == CAPS_TECH_RASTER_PRINTER);
+} // end of wxDC::CanGetTextExtent
int wxDC::GetDepth() const
{
- // TODO:
- return (1);
-}
+ LONG lArray[CAPS_COLOR_BITCOUNT];
+ int nBitsPerPixel;
+
+ if(::DevQueryCaps( GetHDC()
+ ,CAPS_FAMILY
+ ,CAPS_COLOR_BITCOUNT
+ ,lArray
+ ))
+ {
+ nBitsPerPixel = (int)lArray[CAPS_COLOR_BITCOUNT];
+ }
+ return nBitsPerPixel;
+} // end of wxDC::GetDepth
// ---------------------------------------------------------------------------
// drawing
void wxDC::Clear()
{
- // TODO
-}
+ ::GpiErase(m_hPS);
+} // end of wxDC::Clear
+
+void wxDC::DoFloodFill(
+ wxCoord vX
+, wxCoord vY
+, const wxColour& rCol
+, int nStyle
+)
+{
+ POINTL vPtlPos;
+ LONG lColor;
+ LONG lOptions;
+
+ vPtlPos.x = vX; // Loads x-coordinate
+ vPtlPos.y = OS2Y(vY,0); // Loads y-coordinate
+ ::GpiMove(m_hPS, &vPtlPos); // Sets current position
+ lColor = rCol.GetPixel();
+ lOptions = FF_BOUNDARY;
+ if(wxFLOOD_SURFACE == nStyle)
+ lOptions = FF_SURFACE;
+
+ ::GpiFloodFill(m_hPS, lOptions, lColor);
+} // end of wxDC::DoFloodFill
+
+bool wxDC::DoGetPixel(
+ wxCoord vX
+, wxCoord vY
+, wxColour* pCol
+) const
+{
+ POINTL vPoint;
+ LONG lColor;
+
+ vPoint.x = vX;
+ vPoint.y = OS2Y(vY,0);
+ lColor = ::GpiSetPel(m_hPS, &vPoint);
+
+ //
+ // Get the color of the pen
+ //
+ LONG lPencolor = 0x00ffffff;
+
+ if (m_pen.Ok())
+ {
+ lPencolor = m_pen.GetColour().GetPixel();
+ }
-void wxDC::DoFloodFill( wxCoord x
- ,wxCoord y
- ,const wxColour& col
- ,int style
- )
-{
- // TODO
-}
+ //
+ // return the color of the pixel
+ //
+ if(pCol)
+ pCol->Set( GetRValue(lColor)
+ ,GetGValue(lColor)
+ ,GetBValue(lColor)
+ );
+ return(lColor == lPencolor);
+} // end of wxDC::DoGetPixel
+
+void wxDC::DoCrossHair(
+ wxCoord vX
+, wxCoord vY
+)
+{
+ vY = OS2Y(vY,0);
+
+ wxCoord vX1 = vX - VIEWPORT_EXTENT;
+ wxCoord vY1 = vY - VIEWPORT_EXTENT;
+ wxCoord vX2 = vX + VIEWPORT_EXTENT;
+ wxCoord vY2 = vY + VIEWPORT_EXTENT;
+ POINTL vPoint[4];
+
+ vPoint[0].x = vX1;
+ vPoint[0].y = vY;
+
+ vPoint[1].x = vX2;
+ vPoint[1].y = vY;
+
+ ::GpiMove(m_hPS, &vPoint[0]);
+ ::GpiLine(m_hPS, &vPoint[1]);
+
+ vPoint[2].x = vX;
+ vPoint[2].y = vY1;
+
+ vPoint[3].x = vX;
+ vPoint[3].y = vY2;
+
+ ::GpiMove(m_hPS, &vPoint[2]);
+ ::GpiLine(m_hPS, &vPoint[3]);
+ CalcBoundingBox(vX1, vY1);
+ CalcBoundingBox(vX2, vY2);
+} // end of wxDC::DoCrossHair
+
+void wxDC::DoDrawLine(
+ wxCoord vX1
+, wxCoord vY1
+, wxCoord vX2
+, wxCoord vY2
+)
+{
+ POINTL vPoint[2];
+
+ vY1 = OS2Y(vY1,0);
+ vY2 = OS2Y(vY2,0);
+
+ vPoint[0].x = vX1;
+ vPoint[0].y = vY1;
+ vPoint[1].x = vX2;
+ vPoint[1].y = vY2;
+ ::GpiMove(m_hPS, &vPoint[0]);
+ ::GpiLine(m_hPS, &vPoint[1]);
+ CalcBoundingBox(vX1, vY1);
+ CalcBoundingBox(vX2, vY2);
+} // end of wxDC::DoDrawLine
+
+//////////////////////////////////////////////////////////////////////////////
+// Draws an arc of a circle, centred on (xc, yc), with starting point (x1, y1)
+// and ending at (x2, y2). The current pen is used for the outline and the
+// current brush for filling the shape. The arc is drawn in an anticlockwise
+// direction from the start point to the end point.
+//////////////////////////////////////////////////////////////////////////////
+void wxDC::DoDrawArc(
+ wxCoord vX1
+, wxCoord vY1
+, wxCoord vX2
+, wxCoord vY2
+, wxCoord vXc
+, wxCoord vYc
+)
+{
+ POINTL vPtlPos;
+ POINTL vPtlArc[2]; // Structure for current position
+ int nDx;
+ int nDy;
+ double dRadius;
+ double dAngl1;
+ double dAngl2;
+ double dAnglmid;
+ wxCoord vXm;
+ wxCoord vYm;
+ ARCPARAMS vArcp; // Structure for arc parameters
+
+ if((vX1 == vXc && vY1 == vXc) || (vX2 == vXc && vY2 == vXc))
+ return; // Draw point ??
+ dRadius = 0.5 * ( hypot( (double)(vY1 - vYc)
+ ,(double)(vX1 - vXc)
+ ) +
+ hypot( (double)(vY2 - vYc)
+ ,(double)(vX2 - vXc)
+ )
+ );
+
+ dAngl1 = atan2( (double)(vY1 - vYc)
+ ,(double)(vX1 - vXc)
+ );
+ dAngl2 = atan2( (double)(vY2 - vYc)
+ ,(double)(vX2 - vXc)
+ );
+ if(dAngl2 < dAngl1)
+ dAngl2 += M_PI * 2;
+
+ //
+ // GpiPointArc can't draw full arc
+ //
+ if(dAngl2 == dAngl1 || (vX1 == vX2 && vY1 == vY2) )
+ {
+ //
+ // Medium point
+ //
+ dAnglmid = (dAngl1 + dAngl2)/2. + M_PI;
+ vXm = vXc + dRadius * cos(dAnglmid);
+ vYm = vYc + dRadius * sin(dAnglmid);
+ DoDrawArc( vX1, vY1
+ ,vXm, vYm
+ ,vXc, vYc
+ );
+ DoDrawArc( vXm, vYm
+ ,vX2, vY2
+ ,vXc, vYc
+ );
+ return;
+ }
-bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
-{
- // TODO
- return(TRUE);
-}
+ //
+ // Medium point
+ //
+ dAnglmid = (dAngl1 + dAngl2)/2.;
+ vXm = vXc + dRadius * cos(dAnglmid);
+ vYm = vYc + dRadius * sin(dAnglmid);
+
+ //
+ // Ellipse main axis (r,q), (p,s) with center at (0,0) */
+ //
+ vArcp.lR = 0;
+ vArcp.lQ = 1;
+ vArcp.lP = 1;
+ vArcp.lS = 0;
+ ::GpiSetArcParams(m_hPS, &vArcp); // Sets parameters to default
+
+ vPtlPos.x = vX1; // Loads x-coordinate
+ vPtlPos.y = vY1; // Loads y-coordinate
+ ::GpiMove(m_hPS, &vPtlPos); // Sets current position
+ vPtlArc[0].x = vXm;
+ vPtlArc[0].y = vYm;
+ vPtlArc[1].x = vX2;
+ vPtlArc[1].y = vY2;
+ ::GpiPointArc(m_hPS, vPtlArc); // Draws the arc
+ CalcBoundingBox( (vXc - dRadius)
+ ,(vYc - dRadius)
+ );
+ CalcBoundingBox( (vXc + dRadius)
+ ,(vYc + dRadius)
+ );
+} // end of wxDC::DoDrawArc
+
+void wxDC::DoDrawCheckMark(
+ wxCoord vX1
+, wxCoord vY1
+, wxCoord vWidth
+, wxCoord vHeight
+)
+{
+ POINTL vPoint[2];
+
+ vY1 = OS2Y(vY1,vHeight);
+
+ vPoint[0].x = vX1;
+ vPoint[0].y = vY1;
+ vPoint[1].x = vX1 + vWidth;
+ vPoint[1].y = vY1 + vHeight;
+
+ ::GpiMove(m_hPS, &vPoint[0]);
+ ::GpiBox( m_hPS // handle to a presentation space
+ ,DRO_OUTLINE // draw the box outline ? or ?
+ ,&vPoint[1] // address of the corner
+ ,0L // horizontal corner radius
+ ,0L // vertical corner radius
+ );
+ if(vWidth > 4 && vHeight > 4)
+ {
+ int nTmp;
+
+ vPoint[0].x += 2; vPoint[0].y += 2;
+ vPoint[1].x -= 2; vPoint[1].y -= 2;
+ ::GpiMove(m_hPS, &vPoint[0]);
+ ::GpiLine(m_hPS, &vPoint[1]);
+ nTmp = vPoint[0].x;
+ vPoint[0].x = vPoint[1].x;
+ vPoint[1].x = nTmp;
+ ::GpiMove(m_hPS, &vPoint[0]);
+ ::GpiLine(m_hPS, &vPoint[1]);
+ }
+ CalcBoundingBox( vX1
+ ,vY1
+ );
-void wxDC::DoCrossHair(wxCoord x, wxCoord y)
-{
- // TODO
-}
+ wxCoord vX2 = vX1 + vWidth;
+ wxCoord vY2 = vY1 + vHeight;
-void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
-{
- // TODO
-}
+ CalcBoundingBox( vX2
+ ,vY2
+ );
+} // end of wxDC::DoDrawCheckMark
-void wxDC::DoDrawArc( wxCoord x1, wxCoord y1
- ,wxCoord x2, wxCoord y2
- ,wxCoord xc, wxCoord yc
- )
+void wxDC::DoDrawPoint(
+ wxCoord vX
+, wxCoord vY
+)
{
- // TODO
-}
+ POINTL vPoint;
+ COLORREF vColor = 0x00ffffff;
-void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
-{
- // TODO
-}
+ if (m_pen.Ok())
+ {
+ vColor = m_pen.GetColour().GetPixel();
+ }
+ ::GpiSetColor(m_hPS, vColor);
+ vPoint.x = vX;
+ vPoint.y = OS2Y(vY,0);
+ ::GpiSetPel(m_hPS, &vPoint);
+ CalcBoundingBox( vX
+ ,vY
+ );
+} // end of wxDC::DoDrawPoint
+
+void wxDC::DoDrawPolygon(
+ int n
+, wxPoint vPoints[]
+, wxCoord vXoffset
+, wxCoord vYoffset
+, int nFillStyle
+)
+{
+ ULONG ulCount = 1; // Number of polygons.
+ POLYGON vPlgn; // polygon.
+ ULONG flOptions = 0L; // Drawing options.
+
+//////////////////////////////////////////////////////////////////////////////
+// This contains fields of option bits... to draw boundary lines as well as
+// the area interior.
+//
+// Drawing boundary lines:
+// POLYGON_NOBOUNDARY Does not draw boundary lines.
+// POLYGON_BOUNDARY Draws boundary lines (the default).
+//
+// Construction of the area interior:
+// POLYGON_ALTERNATE Constructs interior in alternate mode
+// (the default).
+// POLYGON_WINDING Constructs interior in winding mode.
+//////////////////////////////////////////////////////////////////////////////
+
+ ULONG flModel = 0L; // Drawing model.
+
+//////////////////////////////////////////////////////////////////////////////
+// Drawing model.
+// POLYGON_INCL Fill is inclusive of bottom right (the default).
+// POLYGON_EXCL Fill is exclusive of bottom right.
+// This is provided to aid migration from other graphics models.
+//////////////////////////////////////////////////////////////////////////////
+
+ LONG lHits = 0L; // Correlation/error indicator.
+ POINTL vPoint;
+ int i;
+ int nIsTRANSPARENT = 0;
+ LONG lBorderColor = 0L;
+ LONG lColor = 0L;
+
+ lBorderColor = m_pen.GetColour().GetPixel();
+ lColor = m_brush.GetColour().GetPixel();
+ if(m_brush.GetStyle() == wxTRANSPARENT)
+ nIsTRANSPARENT = 1;
+
+ vPlgn.ulPoints = n;
+ vPlgn.aPointl = (POINTL*) calloc( n + 1
+ ,sizeof(POINTL)
+ ); // well, new will call malloc
+
+ for(i = 0; i < n; i++)
+ {
+ vPlgn.aPointl[i].x = vPoints[i].x; // +xoffset;
+ vPlgn.aPointl[i].y = OS2Y(vPoints[i].y,0); // +yoffset;
+ }
+ flModel = POLYGON_BOUNDARY;
+ if(nFillStyle == wxWINDING_RULE)
+ flModel |= POLYGON_WINDING;
+ else
+ flModel |= POLYGON_ALTERNATE;
-void wxDC::DoDrawPolygon(int n, wxPoint points[]
- ,wxCoord xoffset, wxCoord yoffset
- ,int fillStyle
- )
-{
- // TODO
-}
+ vPoint.x = vXoffset;
+ vPoint.y = OS2Y(vYoffset,0);
-void wxDC::DoDrawLines( int n, wxPoint points[]
- ,wxCoord xoffset, wxCoord yoffset
- )
-{
- // TODO
-}
+ ::GpiSetColor(m_hPS, lBorderColor);
+ ::GpiMove(m_hPS, &vPoint);
+ lHits = ::GpiPolygons(m_hPS, ulCount, &vPlgn, flOptions, flModel);
+ free(vPlgn.aPointl);
+} // end of wxDC::DoDrawPolygon
-void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+void wxDC::DoDrawLines(
+ int n
+, wxPoint vPoints[]
+, wxCoord vXoffset
+, wxCoord vYoffset
+)
{
- // TODO
-}
+ POINTL vPoint;
-void wxDC::DoDrawRoundedRectangle( wxCoord x, wxCoord y
- ,wxCoord width, wxCoord height
- ,double radius
- )
-{
- // TODO
-}
+ if (vXoffset != 0L || vXoffset != 0L)
+ {
+ int i;
-void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
-{
- // TODO
-}
+ vPoint.x = vPoints[0].x + vXoffset;
+ vPoint.y = OS2Y(vPoints[0].y + vYoffset,0);
+ ::GpiMove(m_hPS, &vPoint);
-void wxDC::DoDrawEllipticArc( wxCoord x
- ,wxCoord y
- ,wxCoord w
- ,wxCoord h
- ,double sa
- ,double ea
- )
-{
- // TODO
-}
+ LONG lBorderColor = m_pen.GetColour().GetPixel();
-void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
-{
- // TODO
-}
+ ::GpiSetColor(m_hPS, lBorderColor);
+ for(i = 1; i < n; i++)
+ {
+ vPoint.x = vPoints[i].x + vXoffset;
+ vPoint.y = OS2Y(vPoints[i].y + vYoffset,0);
+ ::GpiLine(m_hPS, &vPoint);
+ }
+ }
+ else
+ {
+ int i;
-void wxDC::DoDrawBitmap( const wxBitmap &bmp
- ,wxCoord x, wxCoord y
- ,bool useMask
- )
-{
- // TODO
-}
+ CalcBoundingBox( vPoints[i].x
+ ,vPoints[i].y
+ );
+ vPoint.x = vPoints[0].x;
+ vPoint.y = OS2Y(vPoints[0].y,0);
+ ::GpiMove(m_hPS, &vPoint);
-void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
-{
- // TODO
+ for (i = 0; i < n; i++)
+ {
+ CalcBoundingBox( vPoints[i].x
+ ,vPoints[i].y
+ );
+ vPoint.x = vPoints[i].x;
+ vPoint.y = OS2Y(vPoints[i].y,0);
+ ::GpiLine(m_hPS, &vPoint);
+ }
+ }
+} // end of wxDC::DoDrawLines
+
+void wxDC::DoDrawRectangle(
+ wxCoord vX
+, wxCoord vY
+, wxCoord vWidth
+, wxCoord vHeight
+)
+{
+ POINTL vPoint[2];
+ LONG lControl;
+ LONG lColor;
+ LONG lBorderColor;
+ int nIsTRANSPARENT = 0;
+
+ vY = OS2Y(vY,vHeight);
+
+ wxCoord vX2 = vX + vWidth;
+ wxCoord vY2 = vY + vHeight;
+
+ vPoint[0].x = vX;
+ vPoint[0].y = vY;
+ vPoint[1].x = vX + vWidth;
+ vPoint[1].y = vY + vHeight;
+ ::GpiMove(m_hPS, &vPoint[0]);
+ lColor = m_brush.GetColour().GetPixel();
+ lBorderColor = m_pen.GetColour().GetPixel();
+ if (m_brush.GetStyle() == wxTRANSPARENT)
+ nIsTRANSPARENT = 1;
+ if(lColor == lBorderColor || nIsTRANSPARENT)
+ {
+ lControl = DRO_OUTLINEFILL; //DRO_FILL;
+ if(m_brush.GetStyle() == wxTRANSPARENT)
+ lControl = DRO_OUTLINE;
+
+ ::GpiSetColor(m_hPS, lColor);
+ ::GpiBox( m_hPS // handle to a presentation space
+ ,lControl // draw the box outline ? or ?
+ ,&vPoint[1] // address of the corner
+ ,0L // horizontal corner radius
+ ,0L // vertical corner radius
+ );
+ }
+ else
+ {
+ lControl = DRO_OUTLINE;
+ ::GpiSetColor( m_hPS
+ ,lBorderColor
+ );
+ ::GpiBox( m_hPS
+ ,lControl
+ ,&vPoint[1]
+ ,0L
+ ,0L
+ );
+ lControl = DRO_FILL;
+ ::GpiSetColor( m_hPS
+ ,lColor
+ );
+ vPoint[0].x = vX + 1;
+ vPoint[0].y = vY + 1;
+ vPoint[1].x = vX + vWidth - 1;
+ vPoint[1].y = vY + vHeight - 1;
+ ::GpiMove(m_hPS, &vPoint[0]);
+ ::GpiBox( m_hPS
+ ,lControl
+ ,&vPoint[1]
+ ,0L
+ ,0L
+ );
+ }
+ CalcBoundingBox(vX, vY);
+ CalcBoundingBox(vX2, vY2);
+} // end of wxDC::DoDrawRectangle
+
+void wxDC::DoDrawRoundedRectangle(
+ wxCoord vX
+, wxCoord vY
+, wxCoord vWidth
+, wxCoord vHeight
+, double dRadius
+)
+{
+ POINTL vPoint[2];
+ LONG lControl;
+
+ vY = OS2Y(vY,vHeight);
+
+ wxCoord vX2 = (vX + vWidth);
+ wxCoord vY2 = (vY + vHeight);
+
+ vPoint[0].x = vX;
+ vPoint[0].y = YLOG2DEV(vY) - vHeight;
+ vPoint[1].x = vX + vWidth;
+ vPoint[1].y = vY;
+ ::GpiMove(m_hPS, &vPoint[0]);
+
+ lControl = DRO_OUTLINEFILL; //DRO_FILL;
+ if (m_brush.GetStyle() == wxTRANSPARENT)
+ lControl = DRO_OUTLINE;
+ ::GpiBox( m_hPS // handle to a presentation space
+ ,DRO_OUTLINE // draw the box outline ? or ?
+ ,&vPoint[1] // address of the corner
+ ,(LONG)dRadius // horizontal corner radius
+ ,(LONG)dRadius // vertical corner radius
+ );
+ CalcBoundingBox(vX, vY);
+ CalcBoundingBox(vX2, vY2);
+} // end of wxDC::DoDrawRoundedRectangle
+
+// Draw Ellipse within box (x,y) - (x+width, y+height)
+void wxDC::DoDrawEllipse(
+ wxCoord vX
+, wxCoord vY
+, wxCoord vWidth
+, wxCoord vHeight
+)
+{
+ POINTL vPtlPos; // Structure for current position
+ FIXED vFxMult; // Multiplier for ellipse
+ ARCPARAMS vArcp; // Structure for arc parameters
+
+ vY = OS2Y(vY,vHeight);
+
+ vArcp.lR = 0;
+ vArcp.lQ = vHeight/2;
+ vArcp.lP = vWidth/2;
+ vArcp.lS = 0;
+ ::GpiSetArcParams( m_hPS
+ ,&vArcp
+ ); // Sets parameters to default
+ vPtlPos.x = vX + vWidth/2; // Loads x-coordinate
+ vPtlPos.y = vY + vHeight/2; // Loads y-coordinate
+ ::GpiMove( m_hPS
+ ,&vPtlPos
+ ); // Sets current position
+ vFxMult = MAKEFIXED(1, 0); /* Sets multiplier */
+
+ //
+ // DRO_FILL, DRO_OTLINEFILL - where to get
+ //
+ ::GpiFullArc( m_hPS
+ ,DRO_OUTLINE
+ ,vFxMult
+ ); // Draws full arc with center at current position
+
+ wxCoord vX2 = (vX + vWidth);
+ wxCoord vY2 = (vY + vHeight);
+
+ CalcBoundingBox(vX, vY);
+ CalcBoundingBox(vX2, vY2);
+} // end of wxDC::DoDrawEllipse
+
+void wxDC::DoDrawEllipticArc(
+ wxCoord vX
+, wxCoord vY
+, wxCoord vWidth
+, wxCoord vHeight
+, double dSa
+, double dEa
+)
+{
+ POINTL vPtlPos; // Structure for current position
+ FIXED vFxMult; // Multiplier for ellipse
+ ARCPARAMS vArcp; // Structure for arc parameters
+ FIXED vFSa;
+ FIXED vFSweepa; // Start angle, sweep angle
+ double dIntPart;
+ double dFractPart;
+ double dRadius;
+
+ vY = OS2Y(vY,vHeight);
+
+ dFractPart = modf(dSa,&dIntPart);
+ vFSa = MAKEFIXED((int)dIntPart, (int)(dFractPart * 0xffff) );
+ dFractPart = modf(dEa - dSa, &dIntPart);
+ vFSweepa = MAKEFIXED((int)dIntPart, (int)(dFractPart * 0xffff) );
+
+ //
+ // Ellipse main axis (r,q), (p,s) with center at (0,0)
+ //
+ vArcp.lR = 0;
+ vArcp.lQ = vHeight/2;
+ vArcp.lP = vWidth/2;
+ vArcp.lS = 0;
+ ::GpiSetArcParams(m_hPS, &vArcp); // Sets parameters to default
+ vPtlPos.x = vX + vWidth/2 * (1. + cos(DegToRad(dSa))); // Loads x-coordinate
+ vPtlPos.y = vY + vHeight/2 * (1. + sin(DegToRad(dSa))); // Loads y-coordinate
+ ::GpiMove(m_hPS, &vPtlPos); // Sets current position
+
+ //
+ // May be not to the center ?
+ //
+ vPtlPos.x = vX + vWidth/2 ; // Loads x-coordinate
+ vPtlPos.y = vY + vHeight/2; // Loads y-coordinate
+ vFxMult = MAKEFIXED(1, 0); // Sets multiplier
+
+ //
+ // DRO_FILL, DRO_OTLINEFILL - where to get
+ //
+ ::GpiPartialArc( m_hPS
+ ,&vPtlPos
+ ,vFxMult
+ ,vFSa
+ ,vFSweepa
+ );
+ wxCoord vX2 = (vX + vWidth);
+ wxCoord vY2 = (vY + vHeight);
+
+ CalcBoundingBox(vX, vY);
+ CalcBoundingBox(vX2, vY2);
+} // end of wxDC::DoDrawEllipticArc
+
+void wxDC::DoDrawIcon(
+ const wxIcon& rIcon
+, wxCoord vX
+, wxCoord vY
+)
+{
+ vY = OS2Y(vY,rIcon.GetHeight());
+ wxCHECK_RET( rIcon.Ok(), wxT("invalid icon in DrawIcon") );
+
+ ::WinDrawPointer( GetHPS()
+ ,vX
+ ,vY
+ ,(HPOINTER)GetHiconOf(rIcon)
+ ,DP_NORMAL
+ );
+ CalcBoundingBox(vX, vY);
+ CalcBoundingBox(vX + rIcon.GetWidth(), vY + rIcon.GetHeight());
+} // end of wxDC::DoDrawIcon
+
+void wxDC::DoDrawBitmap(
+ const wxBitmap& rBmp
+, wxCoord vX
+, wxCoord vY
+, bool bUseMask
+)
+{
+ POINTL vPoint = {vX, vY};
+
+ ::WinDrawBitmap( GetHPS()
+ ,(HBITMAP)GetHbitmapOf(rBmp)
+ ,NULL
+ ,&vPoint
+ ,0L
+ ,0L
+ ,DBM_NORMAL
+ );
+} // end of wxDC::DoDrawBitmap
+
+void wxDC::DoDrawText(
+ const wxString& rsText
+, wxCoord vX
+, wxCoord vY
+)
+{
+ wxCoord vWidth;
+ wxCoord vHeight;
+
+ DrawAnyText( rsText
+ ,vX
+ ,vY
+ );
+
+ CalcBoundingBox(vX, vY);
+ GetTextExtent(rsText, &vWidth, &vHeight);
+ CalcBoundingBox((vX + vWidth), (vY + vHeight));
+} // end of wxDC::DoDrawText
+
+void wxDC::DrawAnyText(
+ const wxString& rsText
+, wxCoord vX
+, wxCoord vY
+)
+{
+ int nOldBackground = 0;
+ POINTL vPtlStart;
+ LONG lHits;
+ wxCoord vTextX = 0;
+ wxCoord vTextY = 0;
+
+ //
+ // prepare for drawing the text
+ //
+
+ //
+ // Set text color attributes
+ //
+ if (m_textForegroundColour.Ok())
+ {
+ SetTextColor( m_hPS
+ ,(int)m_textForegroundColour.GetPixel()
+ );
+ }
+
+ if (m_textBackgroundColour.Ok())
+ {
+ nOldBackground = SetTextBkColor( m_hPS
+ ,(int)m_textBackgroundColour.GetPixel()
+ );
+ }
+ SetBkMode( m_hPS
+ ,m_backgroundMode
+ );
+ GetTextExtent( rsText
+ ,&vTextX
+ ,&vTextY
+ );
+ vPtlStart.x = vX;
+ vPtlStart.y = OS2Y(vY,vTextY);
+
+ lHits = ::GpiCharStringAt( m_hPS
+ ,&vPtlStart
+ ,rsText.length()
+ ,(PCH)rsText.c_str()
+ );
+ if (lHits != GPI_OK)
+ {
+ wxLogLastError(wxT("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())
+ SetTextBkColor( m_hPS
+ ,nOldBackground
+ );
+ SetBkMode( m_hPS
+ ,wxTRANSPARENT
+ );
}
-void wxDC::DoDrawRotatedText(const wxString& text,
- wxCoord x, wxCoord y,
- double angle)
+void wxDC::DoDrawRotatedText(
+ const wxString& rsText
+, wxCoord vX
+, wxCoord vY
+, double dAngle
+)
{
+ if (dAngle == 0.0)
+ {
+ DoDrawText( rsText
+ ,vX
+ ,vY
+ );
+ }
+
// TODO:
/*
if ( angle == 0.0 )
// set GDI objects
// ---------------------------------------------------------------------------
-void wxDC::SetPalette(const wxPalette& palette)
+void wxDC::SetPalette(
+ const wxPalette& rPalette
+)
{
- // TODO
-}
+ if (m_hOldFont)
+ {
+ m_hOldFont = 0;
+ }
+ m_palette = rPalette;
+ if (!rPalette.Ok())
+ {
+ if (m_hOldFont)
+ {
+ m_hOldFont = 0;
+ }
+ }
+ HPALETTE hOldPal = ::GpiSelectPalette((HDC) m_hPS, (HPALETTE) m_palette.GetHPALETTE());
+ if (!m_hOldPalette)
+ m_hOldPalette = (WXHPALETTE)hOldPal;
+} // end of wxDC::SetPalette
+
+void wxDC::SetFont(
+ const wxFont& rFont
+)
+{
+ //
+ // Set the old object temporarily, in case the assignment deletes an object
+ // that's not yet selected out.
+ //
+ if (m_hOldFont)
+ {
+ m_hOldFont = 0;
+ }
+ m_font = rFont;
+ if (!rFont.Ok())
+ {
+ m_hOldFont = 0;
+ }
-void wxDC::SetFont(const wxFont& font)
-{
- // TODO
-}
+ m_font.SetPS(m_hPS); // this will realize the font
+
+ if (m_font.Ok())
+ {
+ HFONT hFont = m_font.GetResourceHandle();
+ if (hFont == (HFONT) NULL)
+ {
+ wxLogDebug(wxT("::SelectObject failed in wxDC::SetFont."));
+ }
+ if (!m_hOldFont)
+ m_hOldFont = (WXHFONT) hFont;
+ }
+} // end of wxDC::SetFont
-void wxDC::SetPen(const wxPen& pen)
+void wxDC::SetPen(
+ const wxPen& rPen
+)
{
- // TODO
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_pen == rPen)
+ return;
+ m_pen = rPen;
+ if (!m_pen.Ok())
+ return;
+
+ if (m_hOldPen)
+ m_hOldPen = 0L;
+ m_pen = rPen;
+
+ if (!m_pen.Ok())
+ {
+ if (m_hOldPen)
+ {
+ m_pen.SetPS((HPS)m_hOldPen);
+ }
+ m_hOldPen = 0L;
+ }
+
+ if (m_pen.Ok())
+ {
+ if (m_pen.GetResourceHandle())
+ {
+ m_pen.SetPS(m_hPS);
+ if (!m_hOldPen)
+ m_hOldPen = m_pen.GetPS();
+ }
+ }
}
-void wxDC::SetBrush(const wxBrush& brush)
+
+void wxDC::SetBrush(
+ const wxBrush& rBrush
+)
{
- // TODO
-}
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
-void wxDC::SetBackground(const wxBrush& brush)
+ if (m_hOldBrush)
+ m_hOldBrush = 0L;
+ m_brush = rBrush;
+ if (!m_brush.Ok())
+ if (m_brush == rBrush)
+ return;
+ if (!m_brush.Ok())
+ if (m_hOldBrush)
+ m_hOldBrush = 0L;
+
+ if (!m_brush.Ok())
+ {
+ if (m_hOldBrush)
+ {
+ m_brush.SetPS((HPS)m_hOldBrush);
+ }
+ m_hOldBrush = 0L;
+ }
+
+ if (m_brush.Ok())
+ {
+ if (m_brush.GetResourceHandle())
+ {
+ m_brush.SetPS(m_hPS);
+ if (!m_hOldBrush)
+ m_hOldBrush = (WXHWND)m_brush.GetPS();
+ }
+ }
+} // end of wxDC::SetBrush
+
+void wxDC::SetBackground(
+ const wxBrush& rBrush
+)
{
- // TODO
-}
+ m_backgroundBrush = rBrush;
+ if (!m_backgroundBrush.Ok())
+ return;
+ if (m_pCanvas)
+ {
+ bool bCustomColours = TRUE;
+
+ //
+ // If we haven't specified wxUSER_COLOURS, don't allow the panel/dialog box to
+ // change background colours from the control-panel specified colours.
+ //
+ if (m_pCanvas->IsKindOf(CLASSINFO(wxWindow)) &&
+ ((m_pCanvas->GetWindowStyleFlag() & wxUSER_COLOURS) != wxUSER_COLOURS))
+ bCustomColours = FALSE;
+ if (bCustomColours)
+ {
+ if (m_backgroundBrush.GetStyle()==wxTRANSPARENT)
+ {
+ m_pCanvas->SetTransparent(TRUE);
+ }
+ else
+ {
+ //
+ // Setting the background brush of a DC
+ // doesn't affect the window background colour. However,
+ // I'm leaving in the transparency setting because it's needed by
+ // various controls (e.g. wxStaticText) to determine whether to draw
+ // transparently or not. TODO: maybe this should be a new function
+ // wxWindow::SetTransparency(). Should that apply to the child itself, or the
+ // parent?
+ // m_canvas->SetBackgroundColour(m_backgroundBrush.GetColour());
+ //
+ m_pCanvas->SetTransparent(FALSE);
+ }
+ }
+ }
+ COLORREF vNewColor = m_backgroundBrush.GetColour().GetPixel();
+ (void)::GpiSetBackColor((HPS)m_hPS, (LONG)vNewColor);
+} // end of wxDC::SetBackground
-void wxDC::SetBackgroundMode(int mode)
+void wxDC::SetBackgroundMode(
+ int nMode
+)
{
- // TODO
-}
+ m_backgroundMode = nMode;
+} // end of wxDC::SetBackgroundMode
-void wxDC::SetLogicalFunction(int function)
+void wxDC::SetLogicalFunction(
+ int nFunction
+)
{
- // TODO
-}
+ m_logicalFunction = nFunction;
+ SetRop((WXHDC)m_hDC);
+} // wxDC::SetLogicalFunction
-void wxDC::SetRop(WXHDC dc)
+void wxDC::SetRop(
+ WXHDC hDC
+)
{
- if (!dc || m_logicalFunction < 0)
+ if (!hDC || m_logicalFunction < 0)
return;
- int c_rop;
- // These may be wrong
+ LONG lCRop;
switch (m_logicalFunction)
{
-// TODO: Figure this stuff out
- // case wxXOR: c_rop = R2_XORPEN; break;
-// case wxXOR: c_rop = R2_NOTXORPEN; break;
-// case wxINVERT: c_rop = R2_NOT; break;
-// case wxOR_REVERSE: c_rop = R2_MERGEPENNOT; break;
-// case wxAND_REVERSE: c_rop = R2_MASKPENNOT; break;
-// case wxCLEAR: c_rop = R2_WHITE; break;
-// case wxSET: c_rop = R2_BLACK; break;
-// case wxSRC_INVERT: c_rop = R2_NOTCOPYPEN; break;
-// case wxOR_INVERT: c_rop = R2_MERGENOTPEN; break;
-// case wxAND: c_rop = R2_MASKPEN; break;
-// case wxOR: c_rop = R2_MERGEPEN; break;
-// case wxAND_INVERT: c_rop = R2_MASKNOTPEN; break;
-// case wxEQUIV:
-// case wxNAND:
-// case wxCOPY:
- default:
-// c_rop = R2_COPYPEN;
- break;
- }
-// SetROP2((HDC) dc, c_rop);
-}
+ case wxXOR:
+ lCRop = FM_XOR;
+ break;
+
+ case wxINVERT:
+ lCRop = FM_INVERT;
+ break;
+
+ case wxOR_REVERSE:
+ lCRop = FM_MERGESRCNOT;
+ break;
+
+ case wxAND_REVERSE:
+ lCRop = FM_NOTMASKSRC;
+ break;
+
+ case wxCLEAR:
+ lCRop = FM_ONE;
+ break;
+
+ case wxSET:
+ lCRop = FM_ZERO;
+ break;
+
+ case wxSRC_INVERT:
+ lCRop = FM_MERGENOTSRC;
+ break;
+
+ case wxOR_INVERT:
+ lCRop = FM_MERGESRCNOT;
+ break;
+
+ case wxAND:
+ lCRop = FM_AND;
+ break;
+
+ case wxOR:
+ lCRop = FM_OR;
+ break;
+
+ case wxAND_INVERT:
+ lCRop = FM_SUBTRACT;
+ break;
+
+ case wxEQUIV:
+ case wxNAND:
+ case wxCOPY:
+ default:
+ lCRop = FM_OVERPAINT;
+ break;
+ }
+ ::GpiSetMix((HPS)hDC, lCRop);
+} // end of wxDC::SetRop
-bool wxDC::StartDoc(const wxString& message)
+bool wxDC::StartDoc(
+ const wxString& rsMessage
+)
{
// We might be previewing, so return TRUE to let it continue.
return TRUE;
-}
+} // end of wxDC::StartDoc
void wxDC::EndDoc()
{
-}
+} // end of wxDC::EndDoc
void wxDC::StartPage()
{
-}
+} // end of wxDC::StartPage
void wxDC::EndPage()
{
-}
+} // end of wxDC::EndPage
// ---------------------------------------------------------------------------
// text metrics
wxCoord wxDC::GetCharHeight() const
{
- // TODO
- return(1);
+ FONTMETRICS vFM; // metrics structure
+
+ ::GpiQueryFontMetrics( m_hPS
+ ,sizeof(FONTMETRICS)
+ ,&vFM
+ );
+ return YDEV2LOGREL(vFM.lXHeight);
}
wxCoord wxDC::GetCharWidth() const
{
- // TODO
- return(1);
+ FONTMETRICS vFM; // metrics structure
+
+ ::GpiQueryFontMetrics( m_hPS
+ ,sizeof(FONTMETRICS)
+ ,&vFM
+ );
+ return XDEV2LOGREL(vFM.lAveCharWidth);
}
-void wxDC::DoGetTextExtent( const wxString& string
- ,wxCoord* x
- ,wxCoord* y
- ,wxCoord* decent
- ,wxCoord* externalLeading
- ,wxFont* theFont
- ) const
-{
- // TODO:
+void wxDC::DoGetTextExtent(
+ const wxString& rsString
+, wxCoord* pvX
+, wxCoord* pvY
+, wxCoord* pvDescent
+, wxCoord* pvExternalLeading
+, wxFont* pTheFont
+) const
+{
+ POINTL avPoint[TXTBOX_COUNT];
+ POINTL vPtMin;
+ POINTL vPtMax;
+ int i;
+ int l;
+ FONTMETRICS vFM; // metrics structure
+ BOOL bRc;
+ char* pStr;
+ ERRORID vErrorCode; // last error id code
+ wxFont* pFontToUse = (wxFont*)pTheFont;
+
+ char zMsg[128]; // DEBUG
+ wxString sError;
+
+ if (!pFontToUse)
+ pFontToUse = (wxFont*)&m_font;
+ l = rsString.length();
+ pStr = (PCH) rsString.c_str();
+
+ //
+ // In world coordinates.
+ //
+ bRc = ::GpiQueryTextBox( m_hPS
+ ,l
+ ,pStr
+ ,TXTBOX_COUNT // return maximum information
+ ,avPoint // array of coordinates points
+ );
+ if(!bRc)
+ {
+ vErrorCode = ::WinGetLastError(wxGetInstance());
+ sError = wxPMErrorToStr(vErrorCode);
+ // DEBUG
+ sprintf(zMsg, "GpiQueryTextBox for %s: failed with Error: %x - %s", pStr, vErrorCode, sError.c_str());
+ (void)wxMessageBox( "wxWindows Menu sample"
+ ,zMsg
+ ,wxICON_INFORMATION
+ );
+ }
+
+ vPtMin.x = avPoint[0].x;
+ vPtMax.x = avPoint[0].x;
+ vPtMin.y = avPoint[0].y;
+ vPtMax.y = avPoint[0].y;
+ for (i = 1; i < 4; i++)
+ {
+ if(vPtMin.x > avPoint[i].x) vPtMin.x = avPoint[i].x;
+ if(vPtMin.y > avPoint[i].y) vPtMin.y = avPoint[i].y;
+ if(vPtMax.x < avPoint[i].x) vPtMax.x = avPoint[i].x;
+ if(vPtMax.y < avPoint[i].y) vPtMax.y = avPoint[i].y;
+ }
+ ::GpiQueryFontMetrics( m_hPS
+ ,sizeof(FONTMETRICS)
+ ,&vFM
+ );
+
+ if (pvX)
+ *pvX = (wxCoord)(vPtMax.x - vPtMin.x + 1);
+ if (pvY)
+ *pvY = (wxCoord)(vPtMax.y - vPtMin.y + 1);
+ if (pvDescent)
+ *pvDescent = vFM.lMaxDescender;
+ if (pvExternalLeading)
+ *pvExternalLeading = vFM.lExternalLeading;
}
-void wxDC::SetMapMode( int mode )
+void wxDC::SetMapMode(
+ int nMode
+)
{
- // TODO:
-};
+ int nPixelWidth = 0;
+ int nPixelHeight = 0;
+ int nMmWidth = 1;
+ int nMmHeight = 1;
+ LONG lArray[CAPS_VERTICAL_RESOLUTION];
-void wxDC::SetUserScale(double x, double y)
-{
- m_userScaleX = x;
- m_userScaleY = y;
+ m_mappingMode = nMode;
- SetMapMode(m_mappingMode);
-}
+ if(::DevQueryCaps( m_hDC
+ ,CAPS_FAMILY
+ ,CAPS_VERTICAL_RESOLUTION
+ ,lArray
+ ))
+ {
+ LONG lHorzRes;
+ LONG lVertRes;
+
+ nPixelWidth = lArray[CAPS_WIDTH];
+ nPixelHeight = lArray[CAPS_HEIGHT];
+ lHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
+ lVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter
+ nMmWidth = (lHorzRes/1000) * nPixelWidth;
+ nMmWidth = (lVertRes/1000) * nPixelHeight;
+ }
+ if ((nPixelWidth == 0) || (nPixelHeight == 0) || (nMmWidth == 0) || (nMmHeight == 0))
+ {
+ return;
+ }
-void wxDC::SetAxisOrientation(bool xLeftRight, bool yBottomUp)
+ double dMm2pixelsX = nPixelWidth/nMmWidth;
+ double dMm2pixelsY = nPixelHeight/nMmHeight;
+
+ switch (nMode)
+ {
+ case wxMM_TWIPS:
+ m_logicalScaleX = (twips2mm * dMm2pixelsX);
+ m_logicalScaleY = (twips2mm * dMm2pixelsY);
+ break;
+
+ case wxMM_POINTS:
+ m_logicalScaleX = (pt2mm * dMm2pixelsX);
+ m_logicalScaleY = (pt2mm * dMm2pixelsY);
+ break;
+
+ case wxMM_METRIC:
+ m_logicalScaleX = dMm2pixelsX;
+ m_logicalScaleY = dMm2pixelsY;
+ break;
+
+ case wxMM_LOMETRIC:
+ m_logicalScaleX = (dMm2pixelsX/10.0);
+ m_logicalScaleY = (dMm2pixelsY/10.0);
+ break;
+
+ case wxMM_TEXT:
+ default:
+ m_logicalScaleX = 1.0;
+ m_logicalScaleY = 1.0;
+ break;
+ }
+ SIZEL vSize;
+ ULONG ulOptions;
+
+ ulOptions = ::GpiQueryPS(m_hPS, &vSize);
+ if (!ulOptions & PU_ARBITRARY)
+ {
+ ulOptions = PU_ARBITRARY | GPIF_DEFAULT;
+ ::GpiSetPS(m_hPS, &vSize, ulOptions);
+ }
+ m_nWindowExtX = (int)MS_XDEV2LOGREL(VIEWPORT_EXTENT);
+ m_nWindowExtY = (int)MS_YDEV2LOGREL(VIEWPORT_EXTENT);
+ // ????
+}; // end of wxDC::SetMapMode
+
+void wxDC::SetUserScale(
+ double dX
+, double dY
+)
{
- m_signX = xLeftRight ? 1 : -1;
- m_signY = yBottomUp ? -1 : 1;
+ m_userScaleX = dX;
+ m_userScaleY = dY;
SetMapMode(m_mappingMode);
-}
+} // end of wxDC::SetUserScale
-void wxDC::SetSystemScale(double x, double y)
+void wxDC::SetAxisOrientation(
+ bool bXLeftRight
+, bool bYBottomUp
+)
{
- m_scaleX = x;
- m_scaleY = y;
+ m_signX = bXLeftRight ? 1 : -1;
+ m_signY = bYBottomUp ? -1 : 1;
SetMapMode(m_mappingMode);
-}
+} // end of wxDC::SetAxisOrientation
-void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
+void wxDC::SetSystemScale(
+ double dX
+, double dY
+)
{
- // TODO:
-};
+ m_scaleX = dX;
+ m_scaleY = dY;
-void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
-{
- // TODO:
-};
+ SetMapMode(m_mappingMode);
+} // end of wxDC::SetSystemScale
+
+void wxDC::SetLogicalOrigin(
+ wxCoord vX
+, wxCoord vY
+)
+{
+ RECTL vRect;
+
+ ::GpiQueryPageViewport( m_hPS
+ ,&vRect
+ );
+ vRect.xRight -= vX;
+ vRect.yTop += vY;
+ vRect.xLeft = vX;
+ vRect.yBottom = vY;
+ ::GpiSetPageViewport( m_hPS
+ ,&vRect
+ );
+}; // end of wxDC::SetLogicalOrigin
+
+void wxDC::SetDeviceOrigin(
+ wxCoord vX
+, wxCoord vY
+)
+{
+ RECTL vRect;
+
+ m_deviceOriginX = vX;
+ m_deviceOriginY = vY;
+ ::GpiQueryPageViewport( m_hPS
+ ,&vRect
+ );
+ vRect.xLeft += vX;
+ vRect.xRight += vX;
+ vRect.yBottom -= vY;
+ vRect.yTop -= vY;
+ ::GpiSetPageViewport( m_hPS
+ ,&vRect
+ );
+}; // end of wxDC::SetDeviceOrigin
// ---------------------------------------------------------------------------
// coordinates transformations
wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
{
- wxCoord new_x = x - m_deviceOriginX;
- if (new_x > 0)
- return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
- else
- return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
-};
+ return (wxCoord) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX) - m_logicalOriginX);
+}
wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
{
- if (x > 0)
- return (wxCoord)((double)(x) / m_scaleX + 0.5);
- else
- return (wxCoord)((double)(x) / m_scaleX - 0.5);
-};
+ return (wxCoord) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX));
+}
wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
{
- wxCoord new_y = y - m_deviceOriginY;
- if (new_y > 0)
- return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
- else
- return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
-};
+ return (wxCoord) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY) - m_logicalOriginY);
+}
wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
{
- if (y > 0)
- return (wxCoord)((double)(y) / m_scaleY + 0.5);
- else
- return (wxCoord)((double)(y) / m_scaleY - 0.5);
-};
+ return (wxCoord) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY));
+}
wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
{
- wxCoord new_x = x - m_logicalOriginX;
- if (new_x > 0)
- return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
- else
- return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
-};
+ return (wxCoord) ((x - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX + m_deviceOriginX);
+}
wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
{
- if (x > 0)
- return (wxCoord)((double)(x) * m_scaleX + 0.5);
- else
- return (wxCoord)((double)(x) * m_scaleX - 0.5);
-};
+ return (wxCoord) (x*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX);
+}
wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
{
- wxCoord new_y = y - m_logicalOriginY;
- if (new_y > 0)
- return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
- else
- return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
-};
-
-wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
-{
- if (y > 0)
- return (wxCoord)((double)(y) * m_scaleY + 0.5);
- else
- return (wxCoord)((double)(y) * m_scaleY - 0.5);
-};
-
-// ---------------------------------------------------------------------------
-// bit blit
-// ---------------------------------------------------------------------------
-
-bool wxDC::DoBlit( wxCoord xdest
- ,wxCoord ydest
- ,wxCoord width
- ,wxCoord height
- ,wxDC *source
- ,wxCoord xsrc
- ,wxCoord ysrc
- ,int rop
- ,bool useMask
- )
-{
- // TODO
- return(TRUE);
+ return (wxCoord) ((y - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY + m_deviceOriginY);
}
-void wxDC::DoGetSize( int* width, int* height ) const
-{
- // TODO:
-};
-
-void wxDC::DoGetSizeMM( int* width, int* height ) const
-{
- // TODO:
-};
-
-wxSize wxDC::GetPPI() const
+wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
{
- int x = 1;
- int y = 1;
- // TODO:
- return (wxSize(x,y));
+ return (wxCoord) (y*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY);
}
-void wxDC::SetLogicalScale( double x, double y )
-{
- // TODO:
-};
-
-#if WXWIN_COMPATIBILITY
-void wxDC::DoGetTextExtent(const wxString& string, float *x, float *y,
- float *descent, float *externalLeading,
- wxFont *theFont, bool use16bit) const
-{
- wxCoord x1, y1, descent1, externalLeading1;
- GetTextExtent(string, & x1, & y1, & descent1, & externalLeading1, theFont, use16bit);
- *x = x1; *y = y1;
- if (descent)
- *descent = descent1;
- if (externalLeading)
- *externalLeading = externalLeading1;
-}
-#endif
-
// ---------------------------------------------------------------------------
-// spline drawing code
+// bit blit
// ---------------------------------------------------------------------------
-#if wxUSE_SPLINES
-
-class wxSpline: public wxObject
-{
-public:
- int type;
- wxList *points;
-
- wxSpline(wxList *list);
- void DeletePoints();
-
- // Doesn't delete points
- ~wxSpline();
-};
-
-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();
-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,
- double x4, double y4);
-static bool wx_spline_add_point(double x, double y);
-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::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)
+bool wxDC::DoBlit(
+ wxCoord vXdest
+, wxCoord vYdest
+, wxCoord vWidth
+, wxCoord vHeight
+, wxDC* pSource
+, wxCoord vXsrc
+, wxCoord vYsrc
+, int nRop
+, bool bUseMask
+, wxCoord vXsrcMask
+, wxCoord vYsrcMask
+)
+{
+ wxMask* pMask = NULL;
+ CHARBUNDLE vCbnd;
+ COLORREF vOldTextColor;
+ COLORREF vOldBackground = ::GpiQueryBackColor(m_hPS);
+
+ if (bUseMask)
{
- p = (wxPoint *)node->Data();
- x1 = x2;
- y1 = y2;
- x2 = p->x;
- y2 = p->y;
- cx4 = (double)(x1 + x2) / 2;
- 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);
+ const wxBitmap& rBmp = pSource->m_vSelectedBitmap;
- cx1 = cx4;
- cy1 = cy4;
- cx2 = (double)(cx1 + x2) / 2;
- cy2 = (double)(cy1 + y2) / 2;
+ pMask = rBmp.GetMask();
+ if (!(rBmp.Ok() && pMask && pMask->GetMaskBitmap()))
+ {
+ bUseMask = FALSE;
+ }
}
- wx_spline_add_point((double)wx_round(cx1), (double)wx_round(cy1));
- wx_spline_add_point(x2, y2);
-
- wx_spline_draw_point_array(dc);
-
-}
+ ::GpiQueryAttrs( m_hPS
+ ,PRIM_CHAR
+ ,CBB_COLOR
+ ,&vCbnd
+ );
+ vOldTextColor = (COLORREF)vCbnd.lColor;
-/********************* CURVES FOR SPLINES *****************************
+ if (m_textForegroundColour.Ok())
+ {
+ vCbnd.lColor = (LONG)m_textForegroundColour.GetPixel();
+ ::GpiSetAttrs( m_hPS // presentation-space handle
+ ,PRIM_CHAR // Char primitive.
+ ,CBB_COLOR // sets color.
+ ,0
+ ,&vCbnd // buffer for attributes.
+ );
+ }
+ if (m_textBackgroundColour.Ok())
+ {
+ ::GpiSetBackColor(m_hPS, (LONG)m_textBackgroundColour.GetPixel());
+ }
- The following spline drawing routine is from
+ LONG lRop = ROP_SRCCOPY;
- "An Algorithm for High-Speed Curve Generation"
- by George Merrill Chaikin,
- Computer Graphics and Image Processing, 3, Academic Press,
- 1974, 346-349.
+ switch (nRop)
+ {
+ case wxXOR: lRop = ROP_SRCINVERT; break;
+ case wxINVERT: lRop = ROP_DSTINVERT; break;
+ case wxOR_REVERSE: lRop = 0x00DD0228; break;
+ case wxAND_REVERSE: lRop = ROP_SRCERASE; break;
+ case wxCLEAR: lRop = ROP_ZERO; break;
+ case wxSET: lRop = ROP_ONE; break;
+ case wxOR_INVERT: lRop = ROP_MERGEPAINT; break;
+ case wxAND: lRop = ROP_SRCAND; break;
+ case wxOR: lRop = ROP_SRCPAINT; break;
+ case wxEQUIV: lRop = 0x00990066; break;
+ case wxNAND: lRop = 0x007700E6; break;
+ case wxAND_INVERT: lRop = 0x00220326; break;
+ case wxCOPY: lRop = ROP_SRCCOPY; break;
+ case wxNO_OP: lRop = ROP_NOTSRCERASE; break;
+ case wxSRC_INVERT: lRop = ROP_SRCINVERT; break;
+ case wxNOR: lRop = ROP_NOTSRCCOPY; break;
+ default:
+ wxFAIL_MSG( wxT("unsupported logical function") );
+ return FALSE;
+ }
- and
+ bool bSuccess;
- "On Chaikin's Algorithm" by R. F. Riesenfeld,
- Computer Graphics and Image Processing, 4, Academic Press,
- 1975, 304-310.
+ if (bUseMask)
+ {
+ //
+ // Blit bitmap with mask
+ //
+
+ //
+ // Create a temp buffer bitmap and DCs/PSs to access it and the mask
+ //
+ HDC hDCMask;
+ HDC hDCBuffer;
+ HPS hPSMask;
+ HPS hPSBuffer;
+ DEVOPENSTRUC vDOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
+ BITMAPINFOHEADER2 vBmpHdr;
+ HBITMAP hBufBitmap;
+ SIZEL vSize = {0, 0};
+ LONG rc;
+
+ memset(&vBmpHdr, 0, sizeof(BITMAPINFOHEADER2));
+ vBmpHdr.cbFix = sizeof(BITMAPINFOHEADER2);
+ vBmpHdr.cx = vWidth;
+ vBmpHdr.cy = vHeight;
+ vBmpHdr.cPlanes = 1;
+ vBmpHdr.cBitCount = 24;
+
+#if wxUSE_DC_CACHEING
+ if (TRUE)
+ {
+ //
+ // create a temp buffer bitmap and DCs to access it and the mask
+ //
+ wxDCCacheEntry* pDCCacheEntry1 = FindDCInCache( NULL
+ ,pSource->GetHPS()
+ );
+ wxDCCacheEntry* pDCCacheEntry2 = FindDCInCache( pDCCacheEntry1
+ ,GetHPS()
+ );
+ wxDCCacheEntry* pBitmapCacheEntry = FindBitmapInCache( GetHPS()
+ ,vWidth
+ ,vHeight
+ );
+
+ hPSMask = pDCCacheEntry1->m_hPS;
+ hDCBuffer = (HDC)pDCCacheEntry2->m_hPS;
+ hBufBitmap = (HBITMAP)pBitmapCacheEntry->m_hBitmap;
+ }
+ else
+#endif
+ {
+ hDCMask = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE);
+ hDCBuffer = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE);
+ hPSMask = ::GpiCreatePS(vHabmain, hDCMask, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
+ hPSBuffer = ::GpiCreatePS(vHabmain, hDCBuffer, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
+ hBufBitmap = ::GpiCreateBitmap(GetHPS(), &vBmpHdr, 0L, NULL, NULL);
+ }
-***********************************************************************/
+ POINTL aPoint1[4] = { 0, 0
+ ,vWidth, vHeight
+ ,vXdest, vYdest
+ ,vXdest + vWidth, vYdest + vHeight
+ };
+ POINTL aPoint2[4] = { 0, 0
+ ,vWidth, vHeight
+ ,vXsrc, vYsrc
+ ,vXsrc + vWidth, vYsrc + vHeight
+ };
+ POINTL aPoint3[4] = { vXdest, vYdest
+ ,vXdest + vWidth, vYdest + vHeight
+ ,vXsrc, vYsrc
+ ,vXsrc + vWidth, vYsrc + vHeight
+ };
+ POINTL aPoint4[4] = { vXdest, vYdest
+ ,vXdest + vWidth, vYdest + vHeight
+ ,0, 0
+ ,vWidth, vHeight
+ };
+ ::GpiSetBitmap(hPSMask, (HBITMAP) pMask->GetMaskBitmap());
+ ::GpiSetBitmap(hPSBuffer, (HBITMAP) hBufBitmap);
+
+ //
+ // Copy dest to buffer
+ //
+ rc = ::GpiBitBlt( hPSBuffer
+ ,GetHPS()
+ ,4L
+ ,aPoint1
+ ,ROP_SRCCOPY
+ ,BBO_IGNORE
+ );
+ if (rc == GPI_ERROR)
+ {
+ wxLogLastError(wxT("BitBlt"));
+ }
-#define half(z1, z2) ((z1+z2)/2.0)
-#define THRESHOLD 5
+ //
+ // Copy src to buffer using selected raster op
+ //
+ rc = ::GpiBitBlt( hPSBuffer
+ ,GetHPS()
+ ,4L
+ ,aPoint2
+ ,lRop
+ ,BBO_IGNORE
+ );
+ if (rc == GPI_ERROR)
+ {
+ wxLogLastError(wxT("BitBlt"));
+ }
-/* iterative version */
+ //
+ // Set masked area in buffer to BLACK (pixel value 0)
+ //
+ COLORREF vPrevBkCol = ::GpiQueryBackColor(GetHPS());
+ COLORREF vPrevCol = ::GpiQueryColor(GetHPS());
+
+ ::GpiSetBackColor(GetHPS(), OS2RGB(255, 255, 255));
+ ::GpiSetColor(GetHPS(), OS2RGB(0, 0, 0));
+
+ rc = ::GpiBitBlt( hPSBuffer
+ ,hPSMask
+ ,4L
+ ,aPoint2
+ ,ROP_SRCAND
+ ,BBO_IGNORE
+ );
+ if (rc == GPI_ERROR)
+ {
+ wxLogLastError(wxT("BitBlt"));
+ }
-void wx_quadratic_spline(double a1, double b1, double a2, double b2, double a3, double b3, double a4,
- double b4)
-{
- register double xmid, ymid;
- double x1, y1, x2, y2, x3, y3, x4, y4;
+ //
+ // Set unmasked area in dest to BLACK
+ //
+ ::GpiSetBackColor(GetHPS(), OS2RGB(0, 0, 0));
+ ::GpiSetColor(GetHPS(), OS2RGB(255, 255, 255));
+ rc = ::GpiBitBlt( GetHPS()
+ ,hPSMask
+ ,4L
+ ,aPoint3
+ ,ROP_SRCAND
+ ,BBO_IGNORE
+ );
+ if (rc == GPI_ERROR)
+ {
+ wxLogLastError(wxT("BitBlt"));
+ }
- wx_clear_stack();
- wx_spline_push(a1, b1, a2, b2, a3, b3, a4, b4);
+ //
+ // Restore colours to original values
+ //
+ ::GpiSetBackColor(GetHPS(), vPrevBkCol);
+ ::GpiSetColor(GetHPS(), vPrevCol);
+
+ //
+ // OR buffer to dest
+ //
+ rc = ::GpiBitBlt( GetHPS()
+ ,hPSMask
+ ,4L
+ ,aPoint4
+ ,ROP_SRCPAINT
+ ,BBO_IGNORE
+ );
+ if (rc == GPI_ERROR)
+ {
+ bSuccess = FALSE;
+ wxLogLastError(wxT("BitBlt"));
+ }
- while (wx_spline_pop(&x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4)) {
- xmid = (double)half(x2, x3);
- ymid = (double)half(y2, y3);
- if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD &&
- fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) {
- wx_spline_add_point((double)wx_round(x1), (double)wx_round(y1));
- wx_spline_add_point((double)wx_round(xmid), (double)wx_round(ymid));
- } else {
- wx_spline_push(xmid, ymid, (double)half(xmid, x3), (double)half(ymid, y3),
- (double)half(x3, x4), (double)half(y3, y4), x4, y4);
- wx_spline_push(x1, y1, (double)half(x1, x2), (double)half(y1, y2),
- (double)half(x2, xmid), (double)half(y2, ymid), xmid, ymid);
+ //
+ // Tidy up temporary DCs and bitmap
+ //
+ ::GpiSetBitmap(hPSMask, NULLHANDLE);
+ ::GpiSetBitmap(hPSBuffer, NULLHANDLE);
+#if !wxUSE_DC_CACHEING
+ ::GpiDestroyPS(hPSMask);
+ ::GpiDestroyPS(hPSBuffer);
+ ::DevCloseDC(hDCMask);
+ ::DevCloseDC(hDCBuffer);
+ ::GpiDeleteBitmap(hBufBitmap);
+#endif
+ bSuccess = TRUE;
+ }
+ else // no mask, just BitBlt() it
+ {
+ POINTL aPoint[4] = { vXdest, vYdest
+ ,vXdest + vWidth, vYdest + vHeight
+ ,vXsrc, vYsrc
+ ,vXsrc + vWidth, vYsrc + vHeight
+ };
+
+ bSuccess = (::GpiBitBlt( m_hPS
+ ,pSource->GetHPS()
+ ,4L
+ ,aPoint
+ ,lRop
+ ,BBO_IGNORE
+ ) != GPI_ERROR);
+ if (!bSuccess )
+ {
+ wxLogLastError(wxT("BitBlt"));
}
}
+ vCbnd.lColor = (LONG)vOldTextColor;
+ ::GpiSetAttrs( m_hPS // presentation-space handle
+ ,PRIM_CHAR // Char primitive.
+ ,CBB_COLOR // sets color.
+ ,0
+ ,&vCbnd // buffer for attributes.
+ );
+ ::GpiSetBackColor(m_hPS, (LONG)vOldBackground);
+ return bSuccess;
}
-
-/* utilities used by spline drawing routines */
-
-
-typedef struct wx_spline_stack_struct {
- double x1, y1, x2, y2, x3, y3, x4, y4;
-}
-Stack;
-
-#define SPLINE_STACK_DEPTH 20
-static Stack wx_spline_stack[SPLINE_STACK_DEPTH];
-static Stack *wx_stack_top;
-static int wx_stack_count;
-
-void wx_clear_stack()
+void wxDC::DoGetSize(
+ int* pnWidth
+, int* pnHeight
+) const
{
- wx_stack_top = wx_spline_stack;
- wx_stack_count = 0;
-}
-
-void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
-{
- wx_stack_top->x1 = x1;
- wx_stack_top->y1 = y1;
- wx_stack_top->x2 = x2;
- wx_stack_top->y2 = y2;
- wx_stack_top->x3 = x3;
- wx_stack_top->y3 = y3;
- wx_stack_top->x4 = x4;
- wx_stack_top->y4 = y4;
- wx_stack_top++;
- wx_stack_count++;
-}
+ LONG lArray[CAPS_HEIGHT];
-int wx_spline_pop(double *x1, double *y1, double *x2, double *y2,
- double *x3, double *y3, double *x4, double *y4)
-{
- if (wx_stack_count == 0)
- return (0);
- wx_stack_top--;
- wx_stack_count--;
- *x1 = wx_stack_top->x1;
- *y1 = wx_stack_top->y1;
- *x2 = wx_stack_top->x2;
- *y2 = wx_stack_top->y2;
- *x3 = wx_stack_top->x3;
- *y3 = wx_stack_top->y3;
- *x4 = wx_stack_top->x4;
- *y4 = wx_stack_top->y4;
- return (1);
-}
+ if(::DevQueryCaps( m_hDC
+ ,CAPS_FAMILY
+ ,CAPS_HEIGHT
+ ,lArray
+ ))
+ {
+ *pnWidth = lArray[CAPS_WIDTH];
+ *pnHeight = lArray[CAPS_HEIGHT];
+ }
+}; // end of wxDC::DoGetSize(
-static bool wx_spline_add_point(double x, double y)
+void wxDC::DoGetSizeMM(
+ int* pnWidth
+, int* pnHeight
+) const
{
- wxPoint *point = new wxPoint;
- point->x = (int) x;
- point->y = (int) y;
- wx_spline_point_list.Append((wxObject*)point);
- return TRUE;
-}
+ LONG lArray[CAPS_VERTICAL_RESOLUTION];
-static void wx_spline_draw_point_array(wxDC *dc)
-{
- dc->DrawLines(&wx_spline_point_list, 0, 0);
- wxNode *node = wx_spline_point_list.First();
- while (node)
+ if(::DevQueryCaps( m_hDC
+ ,CAPS_FAMILY
+ ,CAPS_VERTICAL_RESOLUTION
+ ,lArray
+ ))
{
- wxPoint *point = (wxPoint *)node->Data();
- delete point;
- delete node;
- node = wx_spline_point_list.First();
+ int nWidth;
+ int nHeight;
+ int nHorzRes;
+ int nVertRes;
+
+ nWidth = lArray[CAPS_WIDTH];
+ nHeight = lArray[CAPS_HEIGHT];
+ nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
+ nVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter
+ nWidth = (nHorzRes/1000) * nWidth;
+ nHeight = (nVertRes/1000) * nHeight;
}
-}
-
-wxSpline::wxSpline(wxList *list)
-{
- points = list;
-}
+}; // end of wxDC::DoGetSizeMM
-wxSpline::~wxSpline()
+wxSize wxDC::GetPPI() const
{
-}
+ LONG lArray[CAPS_VERTICAL_RESOLUTION];
+ int nWidth;
+ int nHeight;
-void wxSpline::DeletePoints()
-{
- for(wxNode *node = points->First(); node; node = points->First())
+ if(::DevQueryCaps( m_hDC
+ ,CAPS_FAMILY
+ ,CAPS_VERTICAL_RESOLUTION
+ ,lArray
+ ))
{
- wxPoint *point = (wxPoint *)node->Data();
- delete point;
- delete node;
+ int nPelWidth;
+ int nPelHeight;
+ int nHorzRes;
+ int nVertRes;
+
+ nPelWidth = lArray[CAPS_WIDTH];
+ nPelHeight = lArray[CAPS_HEIGHT];
+ nHorzRes = lArray[CAPS_HORIZONTAL_RESOLUTION]; // returns pel/meter
+ nVertRes = lArray[CAPS_VERTICAL_RESOLUTION]; // returns pel/meter
+ nWidth = (nHorzRes/39.3) * nPelWidth;
+ nHeight = (nVertRes/39.3) * nPelHeight;
}
- delete points;
-}
+ return (wxSize(nWidth,nHeight));
+} // end of wxDC::GetPPI
+void wxDC::SetLogicalScale(
+ double dX
+, double dY
+)
+{
+ m_logicalScaleX = dX;
+ m_logicalScaleY = dY;
+}; // end of wxDC::SetLogicalScale
-#endif // wxUSE_SPLINES
+#if WXWIN_COMPATIBILITY
+void wxDC::DoGetTextExtent(const wxString& string, float *x, float *y,
+ float *descent, float *externalLeading,
+ wxFont *theFont, bool use16bit) const
+{
+ wxCoord x1, y1, descent1, externalLeading1;
+ GetTextExtent(string, & x1, & y1, & descent1, & externalLeading1, theFont, use16bit);
+ *x = x1; *y = y1;
+ if (descent)
+ *descent = descent1;
+ if (externalLeading)
+ *externalLeading = externalLeading1;
+}
+#endif
projects / wxWidgets.git / blobdiff