void line_stroke(Surface_t *surface,float x,float y,int flag)
{
static int mX = 0,mY = 0,mI = 0;
if(mI == 0)
{
mI = 1; mX = x; mY = y;
}
else
{
cairo_surface_t *output_image = (cairo_surface_t *)surface->cairo;
cairo_t *cr = cairo_create (output_image);
cairo_move_to(cr,mX,mY);
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
cairo_set_line_width(cr, 5);
cairo_line_to (cr, x, y);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
cairo_stroke(cr);
cairo_destroy (cr);
mX = x;mY = y;
}
if(flag != 0)
{
mI = 0;
}
}
Cairo 绘图
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转载自blog.csdn.net/zfbmm/article/details/85319970
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