nuclear@31: /* The "simple" example, modified to use a pre-built glyphmap instead of using freetype.
nuclear@31:  * This can be used when using libdrawtext-noft (built without freetype support/dependency).
nuclear@31:  *
nuclear@31:  * There is only one difference between this, and the regular usage demonstrated in
nuclear@31:  * examples/simple, and it's marked with an XXX comment in the code. For the rest of
nuclear@31:  * the details of libdrawtext usage in this code, refer to examples/simple/simple.c.
nuclear@22:  */
nuclear@22: #include <stdio.h>
nuclear@22: #include <stdlib.h>
nuclear@22: 
nuclear@22: #ifndef __APPLE__
nuclear@22: #include <GL/glut.h>
nuclear@22: #else
nuclear@22: #include <GLUT/glut.h>
nuclear@22: #endif
nuclear@22: 
nuclear@22: #include "drawtext.h"
nuclear@22: 
nuclear@22: void disp(void);
nuclear@22: void reshape(int x, int y);
nuclear@22: void keyb(unsigned char key, int x, int y);
nuclear@22: 
nuclear@22: struct dtx_font *font;
nuclear@22: 
nuclear@22: int main(int argc, char **argv)
nuclear@22: {
nuclear@22: 	glutInit(&argc, argv);
nuclear@22: 	glutInitWindowSize(512, 384);
nuclear@22: 	glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
nuclear@22: 	glutCreateWindow("libdrawtext example: simple");
nuclear@22: 
nuclear@22: 	glutDisplayFunc(disp);
nuclear@22: 	glutReshapeFunc(reshape);
nuclear@22: 	glutKeyboardFunc(keyb);
nuclear@22: 
nuclear@31: 	/* XXX: only difference is that we have to call dtx_open_font_glyphmap,
nuclear@31: 	 * instead of dtx_open_font, passing it the filename of a pre-built
nuclear@31: 	 * glyphmap (see tools/font2glyphmap).
nuclear@31: 	 */
nuclear@22: 	if(!(font = dtx_open_font_glyphmap("serif_s24.glyphmap"))) {
nuclear@22: 		fprintf(stderr, "failed to open font\n");
nuclear@22: 		return 1;
nuclear@22: 	}
nuclear@22: 	dtx_use_font(font, 24);
nuclear@22: 
nuclear@22: 	glutMainLoop();
nuclear@22: 	return 0;
nuclear@22: }
nuclear@22: 
nuclear@22: const char *text = "Some sample text goes here.\n"
nuclear@22: 	"Yada yada yada, more text...\n"
nuclear@22: 	"foobar xyzzy\n";
nuclear@22: 
nuclear@22: void disp(void)
nuclear@22: {
nuclear@22: 	glClear(GL_COLOR_BUFFER_BIT);
nuclear@22: 
nuclear@22: 	glMatrixMode(GL_MODELVIEW);
nuclear@22: 	glLoadIdentity();
nuclear@22: 
nuclear@22: 	glPushMatrix();
nuclear@22: 	glTranslatef(-200, 150, 0);
nuclear@22: 	glColor3f(1, 1, 1);
nuclear@22: 	dtx_string(text);
nuclear@22: 	glPopMatrix();
nuclear@22: 
nuclear@22: 	glPushMatrix();
nuclear@22: 	glTranslatef(-200, 50, 0);
nuclear@22: 	glScalef(2, 0.7, 1);
nuclear@22: 	glColor3f(0.6, 0.7, 1.0);
nuclear@22: 	dtx_string(text);
nuclear@22: 	glPopMatrix();
nuclear@22: 
nuclear@22: 	glPushMatrix();
nuclear@22: 	glTranslatef(-80, -90, 0);
nuclear@22: 	glRotatef(20, 0, 0, 1);
nuclear@22: 	glColor3f(1.0, 0.7, 0.6);
nuclear@22: 	dtx_string(text);
nuclear@22: 	glPopMatrix();
nuclear@22: 
nuclear@22: 	glutSwapBuffers();
nuclear@22: }
nuclear@22: 
nuclear@22: void reshape(int x, int y)
nuclear@22: {
nuclear@22: 	glViewport(0, 0, x, y);
nuclear@22: 
nuclear@22: 	glMatrixMode(GL_PROJECTION);
nuclear@22: 	glLoadIdentity();
nuclear@22: 	glOrtho(-x/2, x/2, -y/2, y/2, -1, 1);
nuclear@22: }
nuclear@22: 
nuclear@22: void keyb(unsigned char key, int x, int y)
nuclear@22: {
nuclear@22: 	if(key == 27) {
nuclear@22: 		exit(0);
nuclear@22: 	}
nuclear@22: }