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Added spline support to GNOME print

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33859 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2005-04-24 09:00:29 +00:00
parent 16744532da
commit 121c09cd1a
2 changed files with 108 additions and 0 deletions
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54
src/gtk/gnome/gprint.cpp
View File

@@ -1161,6 +1161,60 @@ void wxGnomePrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord
void wxGnomePrintDC::DoDrawSpline(wxList *points)
{
SetPen (m_pen);
double c, d, x1, y1, x2, y2, x3, y3;
wxPoint *p, *q;
wxList::compatibility_iterator node = points->GetFirst();
p = (wxPoint *)node->GetData();
x1 = p->x;
y1 = p->y;
node = node->GetNext();
p = (wxPoint *)node->GetData();
c = p->x;
d = p->y;
x3 =
(double)(x1 + c) / 2;
y3 =
(double)(y1 + d) / 2;
gs_lgp->gnome_print_newpath( m_gpc );
gs_lgp->gnome_print_moveto( m_gpc, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
gs_lgp->gnome_print_lineto( m_gpc, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
node = node->GetNext();
while (node)
{
q = (wxPoint *)node->GetData();
x1 = x3;
y1 = y3;
x2 = c;
y2 = d;
c = q->x;
d = q->y;
x3 = (double)(x2 + c) / 2;
y3 = (double)(y2 + d) / 2;
gs_lgp->gnome_print_curveto(m_gpc,
XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
node = node->GetNext();
}
gs_lgp->gnome_print_lineto ( m_gpc, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
gs_lgp->gnome_print_stroke( m_gpc );
}
bool wxGnomePrintDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,