/////////////////////////////////////////////////////////////////////////////
-// Name: dc.cpp
+// Name: src/mgl/dc.cpp
// Purpose: wxDC class
// Author: Vaclav Slavik
// Created: 2001/03/09
// headers
// ---------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "dc.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "wx/dc.h"
#include "wx/dcmemory.h"
+ #include "wx/log.h"
#endif
#include "wx/fontutil.h"
#include "wx/encinfo.h"
#include "wx/fontmap.h"
#include "wx/mgl/private.h"
-#include "wx/log.h"
#include <string.h>
-#include <math.h>
#include <mgraph.hpp>
// constants
//-----------------------------------------------------------------------------
-#ifndef M_PI
-#define M_PI 3.14159265358979323846
-#endif
-
-const double mm2inches = 0.0393700787402;
-const double inches2mm = 25.4;
-const double mm2twips = 56.6929133859;
-const double twips2mm = 0.0176388888889;
-const double mm2pt = 2.83464566929;
-const double pt2mm = 0.352777777778;
const double RAD2DEG = 180.0 / M_PI;
// Default constructor
wxDC::wxDC()
{
- m_isMemDC = FALSE;
+ m_isMemDC = false;
m_MGLDC = NULL;
- m_OwnsMGLDC = FALSE;
- m_ok = FALSE; // must call SetMGLDevCtx() before using it
+ m_OwnsMGLDC = false;
+ m_ok = false; // must call SetMGLDevCtx() before using it
m_mm_to_pix_x = (double)wxGetDisplaySize().GetWidth() /
(double)wxGetDisplaySizeMM().GetWidth();
m_brush = *wxWHITE_BRUSH;
m_penOfsX = m_penOfsY = 0;
- m_penSelected = m_brushSelected = FALSE;
- m_downloadedPatterns[0] = m_downloadedPatterns[1] = FALSE;
+ m_penSelected = m_brushSelected = false;
+ m_downloadedPatterns[0] = m_downloadedPatterns[1] = false;
m_mglFont = NULL;
}
delete m_MGLDC;
m_MGLDC = mgldc;
m_OwnsMGLDC = OwnsMGLDC;
- m_ok = TRUE;
+ m_ok = true;
if ( !m_globalClippingRegion.IsNull() )
SetClippingRegion(m_globalClippingRegion);
m_MGLDC->setClipRegion(m_currentClippingRegion.GetMGLRegion());
- m_clipping = TRUE;
+ m_clipping = true;
DO_SET_CLIPPING_BOX(m_currentClippingRegion)
}
m_MGLDC->setClipRegion(m_currentClippingRegion.GetMGLRegion());
- m_clipping = TRUE;
+ m_clipping = true;
DO_SET_CLIPPING_BOX(m_currentClippingRegion)
}
{
m_MGLDC->setClipRegion(m_globalClippingRegion.GetMGLRegion());
m_currentClippingRegion = m_globalClippingRegion;
- m_clipping = TRUE;
+ m_clipping = true;
}
else
{
bool wxDC::CanDrawBitmap() const
{
- return TRUE;
+ return true;
}
bool wxDC::CanGetTextExtent() const
{
- return TRUE;
+ return true;
}
int wxDC::GetDepth() const
bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
{
- wxCHECK_MSG( col, FALSE, _T("NULL colour parameter in wxDC::GetPixel"));
+ wxCHECK_MSG( col, false, _T("NULL colour parameter in wxDC::GetPixel"));
uchar r, g, b;
m_MGLDC->unpackColorFast(m_MGLDC->getPixel(XLOG2DEV(x), YLOG2DEV(y)),
r, g, b);
col->Set(r, g, b);
- return TRUE;
+ return true;
}
void wxDC::DoCrossHair(wxCoord x, wxCoord y)
}
}
-void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle)
+void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int WXUNUSED(fillStyle))
{
wxCHECK_RET( Ok(), wxT("invalid dc") );
bool antialiased = (GetDepth() > 8);
m_mglFont = m_font.GetMGLfont_t(scale, antialiased);
- wxCHECK_MSG( m_mglFont, FALSE, wxT("invalid font") );
+ wxCHECK_MSG( m_mglFont, false, wxT("invalid font") );
m_MGLDC->useFont(m_mglFont);
wxLogTrace("mgl_font", "useFont(%p)", m_mglFont);
m_MGLDC->setTextEncoding(nativeEnc.mglEncoding);
#endif
}
- return TRUE;
+ return true;
}
void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y)
m_MGLDC->line(x1, y1, x2, y2);
}
- m_penSelected = m_brushSelected = FALSE;
+ m_penSelected = m_brushSelected = false;
}
void wxDC::DoDrawRotatedText(const wxString& text,
if ( !m_downloadedPatterns[slot] )
{
m_MGLDC->setPenBitmapPattern(slot, pattern);
- m_downloadedPatterns[slot] = TRUE;
+ m_downloadedPatterns[slot] = true;
}
m_MGLDC->usePenBitmapPattern(slot);
}
case 8:
for (y = 0; y < 8; y++)
for (x = 0; x < 8; x++)
- pix.b8.p[x][y] = m_MGLDC->packColorFast(
+ pix.b8.p[x][y] = (uchar)m_MGLDC->packColorFast(
pixPattern->p[x][y][0],
pixPattern->p[x][y][1],
pixPattern->p[x][y][2]);
case 16:
for (y = 0; y < 8; y++)
for (x = 0; x < 8; x++)
- pix.b16.p[x][y] = m_MGLDC->packColorFast(
+ pix.b16.p[x][y] = (M_uint16)m_MGLDC->packColorFast(
pixPattern->p[x][y][0],
pixPattern->p[x][y][1],
pixPattern->p[x][y][2]);
break;
}
m_MGLDC->setPenPixmapPattern(slot, &pix);
- m_downloadedPatterns[slot] = TRUE;
+ m_downloadedPatterns[slot] = true;
}
m_MGLDC->usePenPixmapPattern(slot);
}
SelectMGLFatPen(wxSOLID, wxMGL_SELECT_FROM_PEN);
break;
}
- m_penSelected = TRUE;
- m_brushSelected = FALSE;
+ m_penSelected = true;
+ m_brushSelected = false;
}
void wxDC::SelectBrush()
m_MGLDC->setColorRGB(fg.Red(), fg.Green(), fg.Blue());
m_MGLDC->setBackColor(m_MGLDC->packColorFast(bg.Red(), bg.Green(), bg.Blue()));
- m_penSelected = FALSE;
- m_brushSelected = TRUE;
+ m_penSelected = false;
+ m_brushSelected = true;
SelectMGLFatPen(m_brush.GetStyle(), wxMGL_SELECT_FROM_BRUSH);
}
if ( !pen.Ok() ) return;
if ( m_pen == pen ) return;
m_pen = pen;
- m_penSelected = FALSE;
- m_downloadedPatterns[0] = FALSE;
+ m_penSelected = false;
+ m_downloadedPatterns[0] = false;
}
void wxDC::SetBrush(const wxBrush& brush)
if ( !brush.Ok() ) return;
if ( m_brush == brush ) return;
m_brush = brush;
- m_brushSelected = FALSE;
- m_downloadedPatterns[1] = FALSE;
+ m_brushSelected = false;
+ m_downloadedPatterns[1] = false;
}
void wxDC::SetPalette(const wxPalette& palette)
{
wxCHECK_RET( Ok(), wxT("invalid dc") );
- if ( palette == wxNullPalette )
+ if ( !palette.Ok() )
{
if ( m_oldPalette.Ok() )
SetPalette(m_oldPalette);
return;
}
- if ( !palette.Ok() ) return;
- if ( m_palette == palette ) return;
+ if ( palette.IsSameAs(m_palette) )
+ return;
+
m_oldPalette = m_palette;
m_palette = palette;
{
wxCHECK_RET( Ok(), wxT("invalid dc") );
- if (!m_backgroundBrush.Ok()) return;
+ if (!brush.Ok()) return;
m_backgroundBrush = brush;
wxColour &clr = m_backgroundBrush.GetColour();
return (int)rop;
}
-bool wxDC::StartDoc(const wxString& message)
+bool wxDC::StartDoc(const wxString& WXUNUSED(message))
{
- // We might be previewing, so return TRUE to let it continue.
- return TRUE;
+ // We might be previewing, so return true to let it continue.
+ return true;
}
void wxDC::EndDoc()
void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
wxCoord *descent, wxCoord *externalLeading,
- wxFont *theFont) const
+ const wxFont *theFont) const
{
wxFont oldFont;
if ( x )
// VS: YDEV is corrent, it should *not* be XDEV, because font's are
// only scaled according to m_scaleY
- *x = YDEV2LOGREL(m_MGLDC->textWidth(string.c_str()));
+ *x = YDEV2LOGREL(m_MGLDC->textWidth(string.wc_str()));
if ( y )
*y = YDEV2LOGREL(m_MGLDC->textHeight());
if ( descent )
}
-
// ---------------------------------------------------------------------------
// mapping modes
// ---------------------------------------------------------------------------
m_mglFont = NULL;
// make sure m_penOfs{X,Y} will be reevaluated before drawing:
if ( newY != m_scaleY || newX != m_scaleX )
- m_penSelected = FALSE;
+ m_penSelected = false;
m_scaleX = newX, m_scaleY = newY;
}
-void wxDC::SetMapMode(int mode)
-{
- switch (mode)
- {
- case wxMM_TWIPS:
- SetLogicalScale(twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y);
- break;
- case wxMM_POINTS:
- SetLogicalScale(pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y);
- break;
- case wxMM_METRIC:
- SetLogicalScale(m_mm_to_pix_x, m_mm_to_pix_y);
- break;
- case wxMM_LOMETRIC:
- SetLogicalScale(m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0);
- break;
- default:
- case wxMM_TEXT:
- SetLogicalScale(1.0, 1.0);
- break;
- }
- m_mappingMode = mode;
-}
-
-void wxDC::SetUserScale( double x, double y )
-{
- // allow negative ? -> no
- m_userScaleX = x;
- m_userScaleY = y;
- ComputeScaleAndOrigin();
-}
-
-void wxDC::SetLogicalScale( double x, double y )
-{
- // allow negative ?
- m_logicalScaleX = x;
- m_logicalScaleY = y;
- ComputeScaleAndOrigin();
-}
-
-void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y )
-{
- m_logicalOriginX = x * m_signX; // is this still correct ?
- m_logicalOriginY = y * m_signY;
- ComputeScaleAndOrigin();
-}
-
-void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y )
-{
- // only wxPostScripDC has m_signX = -1, we override SetDeviceOrigin there
- m_deviceOriginX = x;
- m_deviceOriginY = y;
- ComputeScaleAndOrigin();
-}
-
-void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
-{
- // only wxPostScripDC has m_signX = -1, we override SetAxisOrientation there
- m_signX = (xLeftRight ? 1 : -1);
- m_signY = (yBottomUp ? -1 : 1);
- ComputeScaleAndOrigin();
-}
-
-// ---------------------------------------------------------------------------
-// coordinates transformations
-// ---------------------------------------------------------------------------
-
-wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
-{
- return ((wxDC *)this)->XDEV2LOG(x);
-}
-
-wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
-{
- return ((wxDC *)this)->YDEV2LOG(y);
-}
-
-wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
-{
- return ((wxDC *)this)->XDEV2LOGREL(x);
-}
-
-wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
-{
- return ((wxDC *)this)->YDEV2LOGREL(y);
-}
-
-wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
-{
- return ((wxDC *)this)->XLOG2DEV(x);
-}
-
-wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
-{
- return ((wxDC *)this)->YLOG2DEV(y);
-}
-
-wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
-{
- return ((wxDC *)this)->XLOG2DEVREL(x);
-}
-
-wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
-{
- return ((wxDC *)this)->YLOG2DEVREL(y);
-}
-
-
void wxDC::DoGetSize(int *w, int *h) const
{
if (w) *w = m_MGLDC->sizex()+1;
int rop, bool useMask,
wxCoord xsrcMask, wxCoord ysrcMask)
{
- wxCHECK_MSG( Ok(), FALSE, wxT("invalid dc") );
- wxCHECK_MSG( source, FALSE, wxT("invalid source dc") );
+ wxCHECK_MSG( Ok(), false, wxT("invalid dc") );
+ wxCHECK_MSG( source, false, wxT("invalid source dc") );
// transform the source DC coords to the device ones
xsrc = source->LogicalToDeviceX(xsrc);
/* scale/translate size and position */
wxCoord xx = XLOG2DEV(xdest);
wxCoord yy = YLOG2DEV(ydest);
- wxCoord ww = XLOG2DEVREL(width);
- wxCoord hh = YLOG2DEVREL(height);
if ( source->m_isMemDC )
{
wxMemoryDC *memDC = (wxMemoryDC*) source;
- DoDrawSubBitmap(memDC->GetSelectedObject(), xsrc, ysrc, ww, hh,
+ DoDrawSubBitmap(memDC->GetSelectedObject(),
+ xsrc, ysrc, width, height,
xdest, ydest, rop, useMask);
}
else
{
+ wxCoord ww = XLOG2DEVREL(width);
+ wxCoord hh = YLOG2DEVREL(height);
+
m_MGLDC->makeCurrent(); // will go away with MGL6.0
m_MGLDC->bitBlt(*source->GetMGLDC(),
xsrc, ysrc, xsrc + ww, ysrc + hh,
xx, yy, LogicalFunctionToMGLRop(rop));
}
- return TRUE;
+ return true;
}
void wxDC::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask)
void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
{
// VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
- DoDrawBitmap((const wxBitmap&)icon, x, y, (bool)TRUE);
+ DoDrawBitmap((const wxBitmap&)icon, x, y, true);
}
// This sequence of operations ensures that the source's transparent
// area need not be black, and logical functions are supported.
- wxBitmap *mask = bmp.GetMask()->GetBitmap();
+ wxBitmap mask = bmp.GetMask()->GetBitmap();
MGLMemoryDC *temp;
{
temp = new MGLMemoryDC(dw, dh, GetDepth(), NULL);
wxDC tempdc;
- tempdc.SetMGLDC(temp, FALSE);
+ tempdc.SetMGLDC(temp, false);
tempdc.SetPalette(m_palette);
}
else
DoBitBlt(bmp, temp, x, y, w, h, 0, 0, dw, dh, mglRop,
useStretching, putSection);
- mask->SetMonoPalette(wxColour(0,0,0), wxColour(255,255,255));
- DoBitBlt(*mask, temp, x, y, w, h, 0, 0, dw, dh, MGL_R2_MASKSRC,
+ mask.SetMonoPalette(wxColour(0,0,0), wxColour(255,255,255));
+ DoBitBlt(mask, temp, x, y, w, h, 0, 0, dw, dh, MGL_R2_MASKSRC,
useStretching, putSection);
- DoBitBlt(*mask, m_MGLDC, x, y, w, h, dx, dy, dw, dh, MGL_R2_MASKNOTSRC,
+ DoBitBlt(mask, m_MGLDC, x, y, w, h, dx, dy, dw, dh, MGL_R2_MASKNOTSRC,
useStretching, putSection);
m_MGLDC->bitBlt(*temp, 0, 0, dw, dh, dx, dy, MGL_OR_MODE);
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