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create a font and render a string

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This commit is contained in:
Josh Holtrop 2014-06-08 13:16:17 -04:00
parent fe6a3bfdb0
commit ee3670777e
1 changed files with 17 additions and 6 deletions
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23
ftgl_testing.cc
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@ -2,10 +2,15 @@
#include <SDL2/SDL.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <iostream>
using namespace std;
#define WIDTH 500
#define HEIGHT 500
static FTFont * font;
void init(void)
{
glViewport(0, 0, WIDTH, HEIGHT);
@ -14,21 +19,27 @@ void init(void)
glShadeModel(GL_FLAT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60.0, (GLfloat)WIDTH/(GLfloat)WIDTH, 1.0, 30.0);
gluOrtho2D(0, WIDTH, 0, HEIGHT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0.0, 0.0, -3.6);
font = new FTTextureFont("/usr/share/fonts/truetype/freefont/FreeMono.ttf");
if (font->Error())
{
cerr << "Could not create font" << endl;
}
font->FaceSize(16);
}
void display(SDL_Window * window)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glBegin(GL_QUADS);
glVertex3f(-2.0, -1.0, 0.0);
glVertex3f(-2.0, 1.0, 0.0);
glVertex3f(0.0, 1.0, 0.0);
glVertex3f(0.0, -1.0, 0.0);
glVertex3f(2.0, 202.0, 0.0);
glVertex3f(2.0, 210.0, 0.0);
glVertex3f(10.0, 210.0, 0.0);
glVertex3f(10.0, 202.0, 0.0);
glEnd();
font->Render("Hello");
SDL_GL_SwapWindow(window);
}