C++ (Cpp) fz_add_line_join示例

示例#1

文件： draw_path.c 项目： DavidWiberg/sumatrapdf

static void
fz_stroke_closepath(struct sctx *s)
{
	if (s->sn == 2)
	{
		/* SumatraPDF: prevent rendering artifacts from line joins */
		float dx = s->beg[0].x - s->seg[1].x, dy = s->beg[0].y - s->seg[1].y;
		fz_stroke_lineto(s, s->beg[0], 0);
		if (s->seg[1].x == s->beg[0].x && s->seg[1].y == s->beg[0].y)
			fz_add_line_join(s, s->seg[0], s->beg[0], s->beg[1], 0);
		else if (dx * dx + dy * dy < FLT_EPSILON)
			fz_stroke_flush(s, FZ_LINECAP_BUTT, FZ_LINECAP_BUTT);
		else
			fz_add_line_join(s, s->seg[1], s->beg[0], s->beg[1], 0);
	}
	else if (s->dot)
	{
		fz_add_line_dot(s, s->beg[0]);
	}

	s->seg[0] = s->beg[0];
	s->bn = 1;
	s->sn = 1;
	s->dot = 0;
	s->from_bezier = 0;
}

示例#2

文件： draw_path.c 项目： DavidWiberg/sumatrapdf

static void
fz_stroke_lineto(struct sctx *s, fz_point cur, int from_bezier)
{
	float dx = cur.x - s->seg[s->sn-1].x;
	float dy = cur.y - s->seg[s->sn-1].y;

	if (dx * dx + dy * dy < FLT_EPSILON)
	{
		if (s->cap == FZ_LINECAP_ROUND || s->dash_list)
			s->dot = 1;
		return;
	}

	fz_add_line_stroke(s, s->seg[s->sn-1], cur);

	if (s->sn == 2)
	{
		fz_add_line_join(s, s->seg[0], s->seg[1], cur, s->from_bezier & from_bezier);
		s->seg[0] = s->seg[1];
		s->seg[1] = cur;
	}
	s->from_bezier = from_bezier;

	if (s->sn == 1)
		s->seg[s->sn++] = cur;
	if (s->bn == 1)
		s->beg[s->bn++] = cur;
}

示例#3

文件： draw_path.c 项目： AhmadHegazy/PDFViewer-Android

static void
fz_stroke_lineto(struct sctx *s, fz_point cur)
{
	float dx = cur.x - s->seg[s->sn-1].x;
	float dy = cur.y - s->seg[s->sn-1].y;

	if (dx * dx + dy * dy < FLT_EPSILON)
	{
		s->dot = 1;
		return;
	}

	fz_add_line_stroke(s, s->seg[s->sn-1], cur);

	if (s->sn == 2)
	{
		fz_add_line_join(s, s->seg[0], s->seg[1], cur);
		s->seg[0] = s->seg[1];
		s->seg[1] = cur;
	}

	if (s->sn == 1)
		s->seg[s->sn++] = cur;
	if (s->bn == 1)
		s->beg[s->bn++] = cur;
}

示例#4

文件： draw_path.c 项目： DeepGopani/mupdf

static void
fz_stroke_closepath(struct sctx *s)
{
	if (s->sn == 2)
	{
		fz_stroke_lineto(s, s->beg[0]);
		if (s->seg[1].x == s->beg[0].x && s->seg[1].y == s->beg[0].y)
			fz_add_line_join(s, s->seg[0], s->beg[0], s->beg[1]);
		else
			fz_add_line_join(s, s->seg[1], s->beg[0], s->beg[1]);
	}
	else if (s->dot)
	{
		fz_add_line_dot(s, s->beg[0]);
	}

	s->seg[0] = s->beg[0];
	s->bn = 1;
	s->sn = 1;
	s->dot = 0;
}