//------------------------------------------------------------------------------
// outputText() -- Text output routines
//------------------------------------------------------------------------------
void BitmapFont::outputText(const double x, const double y, const char* txt, const int n, const bool vf, const bool)
{
// Make sure we have characters to print
if (n <= 0) return;
// Make sure we have a loaded font
if (isNotLoaded()) {
loadFont();
if (isNotLoaded()) throw new ExpInvalidFont();
}
// Prepare the output text
char cbuf[MSG_BUF_LEN];
int nn = xferChars(cbuf,MSG_BUF_LEN,txt,n);
if (nn <= 0) return;
// Set the base
glListBase(getBase());
// output the text
if (vf) {
// Vertical text
for (int i = 0; i < nn; i++) {
glRasterPos2d( x, (y - float(i)*getLineSpacing()) );
glCallLists(1, GL_UNSIGNED_BYTE, &cbuf[i]);
}
}
else {
// Normal text
glRasterPos2d(x,y);
glCallLists(nn, GL_UNSIGNED_BYTE, cbuf);
}
}
//------------------------------------------------------------------------------
// Outline Font functions
// FtglOutlineFont::outputText() -- FTGLOutlineFont output routines
//------------------------------------------------------------------------------
void FtglOutlineFont::outputText(const double x, const double y, const char* txt, const int n, const bool vf, const bool)
{
// Make sure we have characters to print
if (n <= 0) return;
// Make sure we have a loaded font
if (isNotLoaded()) {
loadFont();
if (isNotLoaded()) throw new ExpInvalidFont();
}
// Prepare the output text
char cbuf[MSG_BUF_LEN];
int nn = xferChars(cbuf,MSG_BUF_LEN,txt,n);
if (nn <= 0) return;
// Output the text
FTGLOutlineFont* ftgl1 = static_cast<FTGLOutlineFont*>(FTGL());
if (ftgl1 != nullptr) {
glPushMatrix();
glTranslated(x, y, 0.0);
glScalef(static_cast<GLfloat>(getFontWidth()), static_cast<GLfloat>(getFontHeight()), 1.0f);
if (vf) {
// Vertical text
GLdouble dy = getLineSpacing();
if (getFontHeight() != 0.0) dy = getLineSpacing() / getFontHeight();
char cc[2];
cc[1] = '\0';
for (int i = 0; i < nn; i++) {
cc[0] = cbuf[i];
ftgl1->Render(cc);
glTranslated(0.0, -dy, 0.0);
}
}
else {
// Normal text
ftgl1->Render(cbuf);
}
glPopMatrix();
}
else {
if (isMessageEnabled(MSG_ERROR)) {
std::cerr << "FtglOutlineFont::outputText() - no outline font available" << std::endl;
}
}
}
void FtglPixmapFont::outputText(const char* txt, const int n, const bool vf, const bool)
{
// Make sure we have characters to print
if (n <= 0) return;
// Make sure we have a loaded font
if (isNotLoaded()) {
loadFont();
if (isNotLoaded()) throw new ExpInvalidFont();
}
// Prepare the output text
char cbuf[MSG_BUF_LEN];
int nn = xferChars(cbuf,MSG_BUF_LEN,txt,n);
if (nn <= 0) return;
// output the text
FTGLPixmapFont* ftgl1 = static_cast<FTGLPixmapFont*>(FTGL());
if (ftgl1 != nullptr) {
if (vf) {
// Vertical text
char cc[2];
cc[1] = '\0';
GLdouble rpos[4];
glGetDoublev(GL_CURRENT_RASTER_POSITION, rpos);
for (int i = 0; i < nn; i++) {
cc[0] = cbuf[i];
glRasterPos2d( rpos[0], (rpos[1] - static_cast<float>(i)*getLineSpacing()) );
ftgl1->Render(cc);
}
}
else {
// Normal text
ftgl1->Render(cbuf);
}
}
else {
if (isMessageEnabled(MSG_ERROR)) {
std::cerr << "FtglPixmapFont::outputText() - no pixmap font available" << std::endl;
}
}
}
//------------------------------------------------------------------------------
// Pixmap Font functions
// FtglPixmapFont::outputText() -- FTGLPixmapFont output routines
//------------------------------------------------------------------------------
void FtglPixmapFont::outputText(const double x, const double y, const char* txt, const int n, const bool vf, const bool)
{
// Make sure we have characters to print
if (n <= 0) return;
// Make sure we have a loaded font
if (isNotLoaded()) {
loadFont();
if (isNotLoaded()) throw new ExpInvalidFont();
}
// Prepare the output text
char cbuf[MSG_BUF_LEN];
int nn = xferChars(cbuf,MSG_BUF_LEN,txt,n);
if (nn <= 0) return;
// output the text
FTGLPixmapFont* ftgl1 = (FTGLPixmapFont*)FTGL();
if (ftgl1 != 0) {
if (vf) {
// Vertical text
char cc[2];
cc[1] = '\0';
for (int i = 0; i < nn; i++) {
cc[0] = cbuf[i];
glRasterPos2d( x, (y - float(i)*getLineSpacing()) );
ftgl1->Render(cc);
}
}
else {
// Normal text
glRasterPos2d(x,y);
ftgl1->Render(cbuf);
}
}
else {
if (isMessageEnabled(MSG_ERROR)) {
std::cerr << "FTGLPixmapFont::outputText() - no Pixmap font available" << std::endl;
}
}
}
//------------------------------------------------------------------------------
// Halo Font functions
// FtglHaloFont::outputText() -- FtglHaloFont output routines
//------------------------------------------------------------------------------
void FtglHaloFont::outputText(const double x, const double y, const char* txt, const int n, const bool vf, const bool rf)
{
GLfloat ocolor[4];
glGetFloatv(GL_CURRENT_COLOR, ocolor);
// Make sure we have characters to print
if (n <= 0) return;
// Make sure we have a loaded font
if (isNotLoaded()) {
loadFont();
if (isNotLoaded()) throw new ExpInvalidFont();
}
// Prepare the output text
char cbuf[MSG_BUF_LEN];
int nn = xferChars(cbuf,MSG_BUF_LEN,txt,n);
if (nn <= 0) return;
if (haloColor != nullptr) Graphic::lcColor3(haloColor->red(), haloColor->green(), haloColor->blue());
// default to black if we have no color specified
else glColor3f(0,0,0);
// now render the outline font over it!
if (!rf) {
if (outline != nullptr) {
glPushMatrix();
glTranslated(x, y, -0.01f);
// get our current linewidth
GLfloat lw = 0;
glGetFloatv(GL_LINE_WIDTH, &lw);
glLineWidth(linewidth);
glScalef(static_cast<GLfloat>(getFontWidth()), static_cast<GLfloat>(getFontHeight()), 1.0f);
if (vf) {
// Vertical text
GLdouble dy = getLineSpacing();
if (getFontHeight() != 0.0) dy = getLineSpacing() / getFontHeight();
char cc[2];
cc[1] = '\0';
for (int i = 0; i < nn; i++) {
cc[0] = cbuf[i];
outline->Render(cc);
glTranslated(0.0, -dy, 0.0);
}
}
else {
// Normal text
outline->Render(cbuf);
}
glLineWidth(lw);
glPopMatrix();
}
else {
if (isMessageEnabled(MSG_ERROR)) {
std::cerr << "FtglHaloFont::outputText() - no outline font available" << std::endl;
}
}
}
glColor4fv(ocolor);
// output the text
FTGLPolygonFont* ftgl1 = static_cast<FTGLPolygonFont*>(FTGL());
if (ftgl1 != nullptr) {
glPushMatrix();
glTranslated(x, y, 0.0);
glScalef(static_cast<GLfloat>(getFontWidth()), static_cast<GLfloat>(getFontHeight()), 1.0f);
if (vf) {
// Vertical text
GLdouble dy = getLineSpacing();
if (getFontHeight() != 0.0) dy = getLineSpacing() / getFontHeight();
char cc[2];
cc[1] = '\0';
for (int i = 0; i < nn; i++) {
cc[0] = cbuf[i];
ftgl1->Render(cc);
glTranslated(0.0, -dy, 0.0);
}
}
else {
// Normal text
ftgl1->Render(cbuf);
}
glPopMatrix();
}
else {
if (isMessageEnabled(MSG_ERROR)) {
std::cerr << "FtglPolygonFont::outputText() - no Polygon font available" << std::endl;
}
}
}
