本文整理汇总了C++中GLText::drawFreeString方法的典型用法代码示例。如果您正苦于以下问题：C++ GLText::drawFreeString方法的具体用法？C++ GLText::drawFreeString怎么用？C++ GLText::drawFreeString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GLText的用法示例。
在下文中一共展示了GLText::drawFreeString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: draw
void RamachandranPlot::draw(void)
{
ProteinState *state = curProtein();
if ( !state ) return;
GLText text;
if(!valid())
{
/* Set the viewport: */
glViewport(0,0,w(),h());
/* Set the projection and modelview matrices: */
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
float factor=1.0/Math::Constants<double>::pi;
glScale(factor,factor,factor);
glDisable(GL_DEPTH_TEST);
}
/* Clear window: */
glClearColor(backgroundColor);
glClear(GL_COLOR_BUFFER_BIT);
/* Draw ramachandran texture background: */
glEnable(GL_TEXTURE_2D);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_BASE_LEVEL,0);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAX_LEVEL,0);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_REPLACE);
glPixelStorei(GL_UNPACK_ALIGNMENT,1);
glPixelStorei(GL_UNPACK_SKIP_PIXELS,0);
glPixelStorei(GL_UNPACK_ROW_LENGTH,0);
glPixelStorei(GL_UNPACK_SKIP_ROWS,0);
glPixelStorei(GL_UNPACK_IMAGE_HEIGHT,0);
glPixelStorei(GL_UNPACK_SKIP_IMAGES,0);
glTexImage2D(GL_TEXTURE_2D,0,GL_RGB8,ramachandranTextureHeight,ramachandranTextureWidth,0,GL_RGB,GL_UNSIGNED_BYTE,ramachandranTexture);
glColor3f(1.0f,0.0f,1.0f);
glBegin(GL_QUADS);
glTexCoord2f(0.0f,0.0f);
glVertex2f(-Math::Constants<float>::pi,-Math::Constants<float>::pi);
glTexCoord2f(1.0f,0.0f);
glVertex2f(Math::Constants<float>::pi,-Math::Constants<float>::pi);
glTexCoord2f(1.0f,1.0f);
glVertex2f(Math::Constants<float>::pi,Math::Constants<float>::pi);
glTexCoord2f(0.0f,1.0f);
glVertex2f(-Math::Constants<float>::pi,Math::Constants<float>::pi);
glEnd();
glDisable(GL_TEXTURE_2D);
/* Draw coordinate axes: */
glColor3f(1.0f-backgroundColor[0],1.0f-backgroundColor[1],1.0f-backgroundColor[2]);
glBegin(GL_LINES);
glVertex2f(0.0f,-4.0f);
glVertex2f(0.0f,4.0f);
glVertex2f(-4.0f,0.0f);
glVertex2f(4.0f,0.0f);
glEnd();
/* Draw axes data range */
text.setFontColor(0.0, 0.0, 0.0);
/* h, v */
/* + */
/*- +*/
/* - */
text.drawFreeString("pi",2.3f,-2.7f);
text.drawFreeString("-pi",-2.8f,-2.7f);
text.drawFreeString("pi",-3.0f,2.6f);
text.drawFreeString("0",-3.0f,-0.3f);
text.drawFreeString("0",-0.3f,-2.7f);
text.drawFreeString("Phi",0.15f,2.5f);
text.drawFreeString("Psi",2.5f,0.15f);
/* Draw axes label */
text.setFontScale(0.003, 0.003);
text.setFontColor(0.0, 0.0, 1.0);
if(structureValid)
{
/* Visualize dihedral angles inside a selected structure: */
glPointSize(3.0f);
glBegin(GL_POINTS);
glColor(selectedStructureColor);
for(int i=0;i<numStructureResidues;++i)
glVertex(structurePhis[i],structurePsis[i]);
glEnd();
}
/* Visualize dihedral angles inside all active coil regions: */
if(activeCoilsValid)
{
/* Visualize dihedral angles inside all active coil regions: */
glPointSize(3.0f);
glBegin(GL_POINTS);
glColor(activeCoilRegionColor);
for(int i=0;i<numActiveCoilsResidues;++i)
//.........这里部分代码省略.........