void display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(1.f, 0.f, 0.f);
glLoadIdentity();
glScalef(20.f, 20.f, 1.f);
glTranslatef(2.f, 2.f, 0.f);
glcDisable(GLC_HINTING_QSO);
glcRenderString("lili without hinting (rendered at integer coordinates)");
glLoadIdentity();
glScalef(20.f, 20.f, 1.f);
glTranslatef(2.025f, 3.f, 0.f);
glcDisable(GLC_HINTING_QSO);
glcRenderString("lili without hinting (rendered at non-integer coordinates)");
glLoadIdentity();
glScalef(20.f, 20.f, 1.f);
glTranslatef(2.f, 4.f, 0.f);
glcEnable(GLC_HINTING_QSO);
glcRenderString("lili with hinting (rendered at integer coordinates)");
glLoadIdentity();
glScalef(20.f, 20.f, 1.f);
glTranslatef(2.025f, 5.f, 0.f);
glcEnable(GLC_HINTING_QSO);
glcRenderString("lili with hinting (rendered at non-integer coordinates)");
glFlush();
}
void
display(void)
{
#if 0
int len, i;
glClear(GL_COLOR_BUFFER_BIT);
glPushMatrix();
glRotatef(angle, 0.0, 0.0, 1.0);
glTranslatef(-750, 0, 0);
len = (int) strlen(message);
for (i = 0; i < len; i++) {
glutStrokeCharacter(font, message[i]);
}
glPopMatrix();
#else
glPushMatrix();
glClear(GL_COLOR_BUFFER_BIT);
glcRotate(angle);
glRasterPos2f(100, 100);
glcFont(font);
glcRenderString(message);
glPopMatrix();
#endif
glutSwapBuffers();
}
void SDL_print(char * label,int x, int y, double angle)
{
glPushMatrix();
glcRenderStyle(GLC_TEXTURE);
glColor4f(0,0,0,1);
glTranslatef(x, y, 1);
glRotatef(180,1,0,0);
glRotatef(angle,0,0,1);
glScalef(14, 14, 14);
// FIXME : add some error checking : glcGetError()
glcRenderString(label);
glPopMatrix();
}
void RenderPrint (int x, int y, int font, GLrgba color, const char *fmt, ...)
{
char text[MAX_TEXT];
va_list ap;
text[0] = 0;
if (fmt == NULL) return;
va_start(ap, fmt);
vsprintf(text, fmt, ap);
va_end(ap);
for (; fonts[font % FONT_COUNT].id == 0; ++font);
glcFont(fonts[font % FONT_COUNT].id);
glColor3fv (&color.red);
glRasterPos2i (x, y);
glcRenderString(text);
}
void iV_DrawTextRotated(const char *string, float XPos, float YPos, float rotation)
{
GLint matrix_mode = 0;
ASSERT_OR_RETURN(, string, "Couldn't render string!");
pie_SetTexturePage(TEXPAGE_EXTERN);
glGetIntegerv(GL_MATRIX_MODE, &matrix_mode);
glMatrixMode(GL_TEXTURE);
glPushMatrix();
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
if (rotation != 0.f)
{
rotation = 360.f - rotation;
}
glTranslatef(XPos, YPos, 0.f);
glRotatef(180.f, 1.f, 0.f, 0.f);
glRotatef(rotation, 0.f, 0.f, 1.f);
glScalef(font_size, font_size, 0.f);
glColor4fv(font_colour);
glFrontFace(GL_CW);
glcRenderString(string);
glFrontFace(GL_CCW);
glPopMatrix();
glMatrixMode(GL_TEXTURE);
glPopMatrix();
glMatrixMode(matrix_mode);
// Reset the current model view matrix
glLoadIdentity();
}
void display(void)
{
int i = 0;
GLfloat baseline[4] = {0.f, 0.f, 0.f, 0.f};
GLfloat bbox[8] = {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f};
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(1.f, 0.f, 0.f);
glRasterPos2f(50.f, 50.f);
glcRenderString("Hello world!");
/* Render "H" and its bounding box */
glColor3f(0.f, 1.f, 1.f);
glTranslatef(50.f, 50.f, 0.f);
glcGetCharMetric('H', GLC_BOUNDS, bbox);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
/* Translate the model view matrix of the width of "H" */
glcGetCharMetric('H', GLC_BASELINE, baseline);
glTranslatef(baseline[2] - baseline[0], baseline[3] - baseline[1], 0.f);
/* Render the bouding box of "ello" */
glcMeasureString(GL_FALSE, "ello");
glcGetStringMetric(GLC_BOUNDS, bbox);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
glLoadIdentity();
glFlush();
}
void testApp::drawString()
{
glEnable(GL_TEXTURE_2D);
glPushMatrix(); {
glTranslatef(ofGetWidth()/2, ofGetHeight()/2 + 10, 0);
//glRotatef(60, 1, 0, 0);
static float rot = 0;
glRotatef(-rot, 0, 1, 0);
if (rot > 360) rot = 0;
rot += 0.2;
ofPushStyle(); {
ofEnableAlphaBlending();
ofSetColor(255, 255, 255, 127);
glPushMatrix(); {
glTranslatef(30, -50, 0);
glScalef(32, -32, 1);
char *c;
sprintf(c, "#%02d", current+1);
glcRenderString(c);
} glPopMatrix();
glPushMatrix(); {
glTranslatef(30, 0, 0);
glScalef(32, -32, 1);
glcRenderString(cities[current].address.c_str());
} glPopMatrix();
glPushMatrix(); {
glTranslatef(30, 50, 0);
glScalef(32, -32, 1);
time_t rawtime;
time(&rawtime);
tm *ptm = gmtime(&rawtime);
time_t localtime = mktime(ptm);
localtime += cities[current].offset * 3600;
char *str = ctime(&localtime);
glcRenderString(str);
} glPopMatrix();
ofDisableAlphaBlending();
} ofPopStyle();
// draw input string
glPushMatrix();
glTranslatef(30, 100, 0);
glScalef(32, -32, 1);
//glColor3f(0.f, 1.f, 0.f);
ofPushStyle();
ofSetColor(0, 255, 0);
if (showError) {
glcRenderString(error.c_str());
} else {
glcRenderString(input.c_str());
}
ofPopStyle();
glPopMatrix();
} glPopMatrix();
}
void display(void)
{
int i = 0;
GLfloat bbox[8] = {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f};
GLfloat bbox2[8] = {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f};
char string[20];
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
/* Render GLC_BITMAP without kerning */
glLoadIdentity();
glColor3f(1.f, 0.f, 0.f);
glRasterPos2f(50.f, 50.f);
glcDisable(GLC_KERNING_QSO);
glcRenderStyle(GLC_BITMAP);
glcLoadIdentity();
glcScale(100.f, 100.f);
glcRenderString("VAV");
glcMeasureString(GL_FALSE, "VAV");
glcGetStringMetric(GLC_BOUNDS, bbox);
glColor3f(0.f, 1.f, 1.f);
glTranslatef(50.f, 50.f, 0.f);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
/* Display the dimensions */
snprintf(string, 20, "%f", bbox[2] - bbox[0]);
glcEnable(GLC_HINTING_QSO);
glcScale(0.15f, 0.15f);
glcMeasureString(GL_FALSE, string);
glcGetStringMetric(GLC_BOUNDS, bbox2);
glColor3f(1.f, 1.f, 1.f);
glBegin(GL_LINE);
glVertex2fv(bbox);
glVertex2f(bbox[0], bbox[1] - 40.f);
glVertex2fv(&bbox[2]);
glVertex2f(bbox[2], bbox[3] - 40.f);
glVertex2f(bbox[0], bbox[1] - 30.f);
glVertex2f(bbox[2], bbox[3] - 30.f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[0] + 5.f, bbox[1] - 25.f);
glVertex2f(bbox[0], bbox[1] - 30.f);
glVertex2f(bbox[0] + 5.f, bbox[1] - 35.f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[2] - 5.f, bbox[1] - 25.f);
glVertex2f(bbox[2], bbox[1] - 30.f);
glVertex2f(bbox[2] - 5.f, bbox[1] - 35.f);
glEnd();
glLoadIdentity();
glRasterPos2f(floor((bbox[2] - bbox[0]
- (bbox2[2] - bbox2[0])) * 50.f) / 100.f + 50.f,
floorf((bbox[1] + 23.f) * 100.f) / 100.f);
glcRenderString(string);
glcDisable(GLC_HINTING_QSO);
/* Render GLC_TEXTURE without kerning */
glLoadIdentity();
glcRenderStyle(GLC_TEXTURE);
glColor3f(1.f, 0.f, 0.f);
glScalef(100.f, 100.f, 1.f);
glTranslatef(3.f, 0.5f, 0.f);
glPushMatrix();
/* In order to reproduce the conditions of bug #1987563, GLC_GL_OBJECTS must
* be disabled when rendering GLC_TEXTURE w/o kerning.
*/
glcRenderString("VAV");
glPopMatrix();
glcMeasureString(GL_TRUE, "VAV");
glcGetStringCharMetric(1, GLC_BOUNDS, bbox);
glColor3f(0.f, 1.f, 0.f);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
glcGetStringMetric(GLC_BOUNDS, bbox);
glColor3f(0.f, 1.f, 1.f);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
/* Display the dimensions */
snprintf(string, 20, "%f", (bbox[2] - bbox[0]) * 100.f);
glcEnable(GLC_HINTING_QSO);
glcMeasureString(GL_FALSE, string);
glcGetStringMetric(GLC_BOUNDS, bbox2);
glColor3f(1.f, 1.f, 1.f);
glBegin(GL_LINE);
glVertex2fv(bbox);
glVertex2f(bbox[0], bbox[1] - 0.4f);
glVertex2fv(&bbox[2]);
glVertex2f(bbox[2], bbox[3] - 0.4f);
glVertex2f(bbox[0], bbox[1] - 0.3f);
glVertex2f(bbox[2], bbox[3] - 0.3f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[0] + 0.05f, bbox[1] - 0.25f);
glVertex2f(bbox[0], bbox[1] - 0.3f);
glVertex2f(bbox[0] + 0.05f, bbox[1] - 0.35f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[2] - 0.05f, bbox[1] - 0.25f);
glVertex2f(bbox[2], bbox[1] - 0.3f);
glVertex2f(bbox[2] - 0.05f, bbox[1] - 0.35f);
glEnd();
/* When hinting is enabled, characters must be rendered at integer positions
* otherwise hinting is compromised and characters look fuzzy.
*/
glTranslatef(floorf((bbox[2] - bbox[0]
- (bbox2[2] - bbox2[0]) * 0.15f) * 50.f) / 100.f,
floorf((bbox[1] - 0.27f) * 100.f) / 100.f, 0.f);
glScalef(0.15f, 0.15f, 1.f);
glcRenderString(string);
glcDisable(GLC_HINTING_QSO);
/* Render GLC_BITMAP with kerning */
glColor3f(1.f, 0.f, 0.f);
glcEnable(GLC_KERNING_QSO);
glcRenderStyle(GLC_BITMAP);
glcLoadIdentity();
glcScale(100.f, 100.f);
glLoadIdentity();
glRasterPos2f(50.f, 150.f);
glcRenderString("VAV");
glcMeasureString(GL_FALSE, "VAV");
glcGetStringMetric(GLC_BOUNDS, bbox);
glColor3f(0.f, 1.f, 1.f);
glTranslatef(50.f, 150.f, 0.f);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
/* Display the dimensions */
snprintf(string, 20, "%f", bbox[4] - bbox[6]);
glcEnable(GLC_HINTING_QSO);
glcScale(0.15f, 0.15f);
glcMeasureString(GL_FALSE, string);
glcGetStringMetric(GLC_BOUNDS, bbox2);
glColor3f(1.f, 1.f, 1.f);
glBegin(GL_LINE);
glVertex2fv(&bbox[4]);
glVertex2f(bbox[4], bbox[5] + 40.f);
glVertex2fv(&bbox[6]);
glVertex2f(bbox[6], bbox[7] + 40.f);
glVertex2f(bbox[4], bbox[5] + 30.f);
glVertex2f(bbox[6], bbox[7] + 30.f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[4] - 5.f, bbox[5] + 25.f);
glVertex2f(bbox[4], bbox[5] + 30.f);
glVertex2f(bbox[4] - 5.f, bbox[5] + 35.f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[6] + 5.f, bbox[7] + 25.f);
glVertex2f(bbox[6], bbox[7] + 30.f);
glVertex2f(bbox[6] + 5.f, bbox[7] + 35.f);
glEnd();
glLoadIdentity();
glRasterPos2f(floorf((bbox[4] - bbox[6]
- (bbox2[4] - bbox2[6])) * 50.f) / 100.f + 50.f,
bbox[7] + 183.f);
glcRenderString(string);
glcScale(2.f, 2.f);
glcMeasureString(GL_FALSE, "GL_BITMAP");
glcGetStringMetric(GLC_BOUNDS, bbox2);
glRasterPos2f(floorf((bbox[2] - bbox[0]
- (bbox2[2] - bbox2[0])) * 50.f) / 100.f + 50.f,
300.f);
glcRenderString("GL_BITMAP");
glcDisable(GLC_HINTING_QSO);
/* Render GLC_TEXTURE with kerning */
glLoadIdentity();
glcRenderStyle(GLC_TEXTURE);
glColor3f(1.f, 0.f, 0.f);
glScalef(100.f, 100.f, 1.f);
glTranslatef(3.f, 1.5f, 0.f);
glPushMatrix();
glcRenderString("VAV");
glPopMatrix();
glcMeasureString(GL_TRUE, "VAV");
glcGetStringCharMetric(1, GLC_BOUNDS, bbox);
glColor3f(0.f, 1.f, 0.f);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
glcGetStringMetric(GLC_BOUNDS, bbox);
glColor3f(0.f, 1.f, 1.f);
glBegin(GL_LINE_LOOP);
for (i = 0; i < 4; i++)
glVertex2fv(&bbox[2*i]);
glEnd();
/* Display the dimensions */
snprintf(string, 20, "%f", (bbox[4] - bbox[6]) * 100.f);
glcEnable(GLC_HINTING_QSO);
glcMeasureString(GL_FALSE, string);
glcGetStringMetric(GLC_BOUNDS, bbox2);
glColor3f(1.f, 1.f, 1.f);
glBegin(GL_LINE);
glVertex2fv(&bbox[4]);
glVertex2f(bbox[4], bbox[5] + 0.4f);
glVertex2fv(&bbox[6]);
glVertex2f(bbox[6], bbox[7] + 0.4f);
glVertex2f(bbox[4], bbox[5] + 0.3f);
glVertex2f(bbox[6], bbox[7] + 0.3f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[6] + 0.05f, bbox[7] + 0.25f);
glVertex2f(bbox[6], bbox[7] + 0.3f);
glVertex2f(bbox[6] + 0.05f, bbox[7] + 0.35f);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex2f(bbox[4] - 0.05f, bbox[5] + 0.25f);
glVertex2f(bbox[4], bbox[5] + 0.3f);
glVertex2f(bbox[4] - 0.05f, bbox[5] + 0.35f);
glEnd();
glPushMatrix();
glTranslatef(floorf((bbox[4] - bbox[6]
- (bbox2[4] - bbox2[6]) * 0.15f) *50.f) / 100.f,
floorf((bbox[5] + 0.33f) * 100.f) / 100.f, 0.f);
glScalef(0.15f, 0.15f, 1.f);
glcRenderString(string);
glPopMatrix();
glcMeasureString(GL_FALSE, "GL_TEXTURE");
glcGetStringMetric(GLC_BOUNDS, bbox2);
glTranslatef(floorf((bbox[2] - bbox[0]
- (bbox2[2] - bbox2[0]) * 0.3f) * 50.f) / 100.f,
1.5f, 0.f);
glScalef(0.3f, 0.3f, 1.f);
glcRenderString("GL_TEXTURE");
glcDisable(GLC_HINTING_QSO);
glFlush();
}
