本文整理汇总了C++中FTPoint::Normalise方法的典型用法代码示例。如果您正苦于以下问题：C++ FTPoint::Normalise方法的具体用法？C++ FTPoint::Normalise怎么用？C++ FTPoint::Normalise使用的例子？那么, 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FTPoint的用法示例。
在下文中一共展示了FTPoint::Normalise方法的2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: RenderSide
void FTExtrudeGlyphImpl::RenderSide()
{
int contourFlag = vectoriser->ContourFlag();
//LOG_INFO("RenderSide %d", contourFlag);
GLfloat colors[4];
for(size_t c = 0; c < vectoriser->ContourCount(); ++c)
{
const FTContour* contour = vectoriser->Contour(c);
size_t n = contour->PointCount();
if(n < 2)
{
continue;
}
glGetFloatv(GL_CURRENT_COLOR, colors);
ftglBegin(GL_QUADS);
ftglColor4f(colors[0]/2, colors[1]/2, colors[2]/2, colors[3]/2);
for(size_t j = 0; j < n; j++ )
{
size_t cur = j % n;
size_t next = (j + 1) % n;
FTPoint frontPt = contour->FrontPoint(cur);
FTPoint frontPt1 = contour->FrontPoint(next);
FTPoint backPt = contour->BackPoint(cur);
FTPoint backPt1 = contour->BackPoint(next);
FTPoint normal = FTPoint(0.f, 0.f, 1.f) ^ (frontPt - frontPt1);
if(normal != FTPoint(0.0f, 0.0f, 0.0f))
{
const FTGL_DOUBLE* pD = static_cast<const FTGL_DOUBLE*>(normal.Normalise());
glNormal3f( pD[0], pD[1], pD[2]);
}
ftglTexCoord2f(frontPt.Xf() / hscale, frontPt.Yf() / vscale);
if(contourFlag & ft_outline_reverse_fill)
{
ftglVertex3f(backPt.Xf() / 64.0f, backPt.Yf() / 64.0f, 0.0f);
ftglVertex3f(frontPt.Xf() / 64.0f, frontPt.Yf() / 64.0f, -depth);
ftglVertex3f(frontPt1.Xf() / 64.0f, frontPt1.Yf() / 64.0f, -depth);
ftglVertex3f(backPt1.Xf() / 64.0f, backPt1.Yf() / 64.0f, 0.0f);
}
else
{
ftglVertex3f(backPt.Xf() / 64.0f, backPt.Yf() / 64.0f, -depth);
ftglVertex3f(frontPt.Xf() / 64.0f, frontPt.Yf() / 64.0f, 0.0f);
ftglVertex3f(frontPt1.Xf() / 64.0f, frontPt1.Yf() / 64.0f, 0.f);
ftglVertex3f(backPt1.Xf() / 64.0f, backPt1.Yf() / 64.0f, -depth);
}
}
ftglEnd();
}
}示例2: RenderSide
void FTExtrudeGlyphImpl::RenderSide()
{
int contourFlag = vectoriser->ContourFlag();
for(size_t c = 0; c < vectoriser->ContourCount(); ++c)
{
const FTContour* contour = vectoriser->Contour(c);
size_t n = contour->PointCount();
if(n < 2)
{
continue;
}
glBegin(GL_QUAD_STRIP);
for(size_t j = 0; j <= n; ++j)
{
size_t cur = (j == n) ? 0 : j;
size_t next = (cur == n - 1) ? 0 : cur + 1;
const FTPoint& frontPt = contour->FrontPoint(cur);
const FTPoint& nextPt = contour->FrontPoint(next);
const FTPoint& backPt = contour->BackPoint(cur);
FTPoint normal = FTPoint(0.f, 0.f, 1.f) ^ (frontPt - nextPt);
if(normal != FTPoint(0.0f, 0.0f, 0.0f))
{
glNormal3dv(static_cast<const FTGL_DOUBLE*>(normal.Normalise()));
}
glTexCoord2f(frontPt.Xf() / hscale, frontPt.Yf() / vscale);
if(contourFlag & ft_outline_reverse_fill)
{
glVertex3f(backPt.Xf() / 64.0f, backPt.Yf() / 64.0f, 0.0f);
glVertex3f(frontPt.Xf() / 64.0f, frontPt.Yf() / 64.0f, -depth);
}
else
{
glVertex3f(backPt.Xf() / 64.0f, backPt.Yf() / 64.0f, -depth);
glVertex3f(frontPt.Xf() / 64.0f, frontPt.Yf() / 64.0f, 0.0f);
}
}
glEnd();
}
}