本文整理汇总了C++中agg::trans_affine::determinant方法的典型用法代码示例。如果您正苦于以下问题：C++ trans_affine::determinant方法的具体用法？C++ trans_affine::determinant怎么用？C++ trans_affine::determinant使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类agg::trans_affine的用法示例。
在下文中一共展示了trans_affine::determinant方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: apply
void pathAttr::apply(agg::path_storage* path, const agg::trans_affine& tr, double accuracy)
{
double scale = sqrt(fabs(tr.determinant()));
if (mCommand == stroke) {
if (mIsoWidthFlag) {
trans.attach(*path);
trans.transformer(tr);
transCurvedStroked.width(mStrokeWidth * scale);
transCurvedStroked.line_join(mLineJoin);
transCurvedStroked.line_cap(mLineCap);
transCurvedStroked.miter_limit(mMiterLimit);
transCurvedStroked.inner_join(agg::inner_round);
transCurvedStroked.approximation_scale(accuracy);
transCurved.approximation_scale(accuracy);
// If the *visual* line width is considerable we
// turn on processing of curve cusps.
//---------------------
if (mStrokeWidth * scale > 1.0) {
transCurved.angle_tolerance(0.2);
} else {
transCurved.angle_tolerance(0.0);
}
} else {
curved.attach(*path);
curvedStrokedTrans.transformer(tr);
curvedStroked.width(mStrokeWidth);
curvedStroked.line_join(mLineJoin);
curvedStroked.line_cap(mLineCap);
curvedStroked.miter_limit(mMiterLimit);
curvedStroked.inner_join(agg::inner_round);
curvedStroked.approximation_scale(accuracy * scale);
curved.approximation_scale(accuracy * scale);
// If the *visual* line width is considerable we
// turn on processing of curve cusps.
//---------------------
if (mStrokeWidth * scale > 1.0) {
curved.angle_tolerance(0.2);
} else {
curved.angle_tolerance(0.0);
}
}
} else {
trans.attach(*path);
trans.transformer(tr);
transCurved.approximation_scale(accuracy);
}
}