static void cdpoly(cdCtxCanvas *ctxcanvas, int mode, cdPoint* poly, int n)
{
int i;
if (mode != CD_BEZIER && mode != CD_PATH)
{
for (i = 0; i < n; i++)
{
if (ctxcanvas->canvas->use_matrix)
cdMatrixTransformPoint(ctxcanvas->xmatrix, poly[i].x, poly[i].y, &(poly[i].x), &(poly[i].y));
}
}
switch( mode )
{
case CD_FILL:
if (ctxcanvas->canvas->new_region)
{
GdkRegion* rgn = gdk_region_polygon((GdkPoint*)poly, n, ctxcanvas->canvas->fill_mode == CD_EVENODD ? GDK_EVEN_ODD_RULE : GDK_WINDING_RULE);
sCombineRegion(ctxcanvas, rgn);
}
else
gdk_draw_polygon(ctxcanvas->wnd, ctxcanvas->gc, TRUE, (GdkPoint*)poly, n);
break;
case CD_CLOSED_LINES:
cdgdkCheckSolidStyle(ctxcanvas, 1);
gdk_draw_polygon(ctxcanvas->wnd, ctxcanvas->gc, FALSE, (GdkPoint*)poly, n);
cdgdkCheckSolidStyle(ctxcanvas, 0);
break;
case CD_OPEN_LINES:
cdgdkCheckSolidStyle(ctxcanvas, 1);
gdk_draw_lines(ctxcanvas->wnd, ctxcanvas->gc, (GdkPoint*)poly, n);
cdgdkCheckSolidStyle(ctxcanvas, 0);
break;
case CD_CLIP:
ctxcanvas->clip_rgn = gdk_region_polygon((GdkPoint*)poly, n, ctxcanvas->canvas->fill_mode == CD_EVENODD ? GDK_EVEN_ODD_RULE : GDK_WINDING_RULE);
if (ctxcanvas->canvas->clip_mode == CD_CLIPPOLYGON)
cdclip(ctxcanvas, CD_CLIPPOLYGON);
break;
case CD_BEZIER:
cdSimPolyBezier(ctxcanvas->canvas, poly, n);
break;
case CD_PATH:
cdSimPolyPath(ctxcanvas->canvas, poly, n);
break;
}
}
void cdpolySIM(cdCtxCanvas* ctxcanvas, int mode, cdPoint* poly, int n)
{
cdCanvas* canvas = ((cdCtxCanvasBase*)ctxcanvas)->canvas;
int i, reset = 1;
switch(mode)
{
case CD_CLOSED_LINES:
poly[n] = poly[0];
n++;
/* continue */
case CD_OPEN_LINES:
if (simLineStyleNoReset) /* Bezier simulation use several poly */
{
reset = 0;
simLineStyleNoReset = 1;
}
for (i = 0; i< n - 1; i++)
canvas->cxLine(canvas->ctxcanvas, poly[i].x, poly[i].y, poly[i+1].x, poly[i+1].y);
if (reset) simLineStyleNoReset = 0;
break;
case CD_BEZIER:
simLineStyleNoReset = 1;
cdSimPolyBezier(canvas, poly, n);
simLineStyleNoReset = 0;
break;
case CD_FILL:
{
/* must set line attributes here, because fill simulation use cxLine */
int oldwidth = cdCanvasLineWidth(canvas, 1);
int oldstyle = cdCanvasLineStyle(canvas, CD_CONTINUOUS);
int old_use_matrix = canvas->use_matrix;
if (canvas->use_matrix && !canvas->invert_yaxis)
{
for(i = 0; i < n; i++)
cdMatrixTransformPoint(canvas->matrix, poly[i].x, poly[i].y, &poly[i].x, &poly[i].y);
}
/* must disable transformation here, because line simulation use cxPixel */
canvas->use_matrix = 0;
simPolyFill(canvas->simulation, poly, n);
canvas->use_matrix = old_use_matrix;
cdCanvasLineStyle(canvas, oldstyle);
cdCanvasLineWidth(canvas, oldwidth);
}
break;
}
}
