static inline void iV_printFontList(void)
{
unsigned int i;
unsigned int font_count = glcGeti(GLC_CURRENT_FONT_COUNT);
debug(LOG_NEVER, "GLC_CURRENT_FONT_COUNT = %d", font_count);
if (font_count == 0)
{
debug(LOG_ERROR, "The required font (%s) isn't loaded", font_family);
// Fall back to unselected fonts since the requested font apparently
// isn't available.
glcEnable(GLC_AUTO_FONT);
}
for (i = 0; i < font_count; ++i)
{
GLint font = glcGetListi(GLC_CURRENT_FONT_LIST, i);
/* The output of the family name and the face is printed using 2 steps
* because glcGetFontc and glcGetFontFace return their result in the
* same buffer (according to GLC specs).
*/
char prBuffer[1024];
snprintf(prBuffer, sizeof(prBuffer), "Font #%d : %s ", (int)font, (const char *)glcGetFontc(font, GLC_FAMILY));
prBuffer[sizeof(prBuffer) - 1] = 0;
sstrcat(prBuffer, (char const *)glcGetFontFace(font));
debug(LOG_NEVER, "%s", prBuffer);
}
}
int main(int argc, char **argv)
{
int ctx = 0;
int numMasters = 0;
int numFaces = 0;
int numCatalogs = 0;
int i = 0;
int j = 0;
/* Needed to initialize an OpenGL context */
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
glutCreateWindow("testfont");
ctx = glcGenContext();
glcContext(ctx);
numCatalogs = glcGeti(GLC_CATALOG_COUNT);
printf("Catalogs : %d\n", numCatalogs);
for (i = 0; i < numCatalogs; i++)
printf("Catalog #%d : %s\n", i,
(const char *)glcGetListc(GLC_CATALOG_LIST, i));
numMasters = glcGeti(GLC_MASTER_COUNT);
printf("Masters : %d\n", numMasters);
for (i = 0; i < numMasters; i++) {
numFaces = glcGetMasteri(i, GLC_FACE_COUNT);
printf("Master #%d\n", i);
printf("- Vendor : %s\n", (char*)glcGetMasterc(i, GLC_VENDOR));
printf("- Format : %s\n", (char*)glcGetMasterc(i, GLC_MASTER_FORMAT));
printf("- Face count : %d\n", numFaces);
printf("- Family : %s\n", (char*)glcGetMasterc(i, GLC_FAMILY));
printf("- Version : %s\n", (char*)glcGetMasterc(i, GLC_VERSION));
printf("- Is Fixed Pitch : %s\n", glcGetMasteri(i, GLC_IS_FIXED_PITCH) ?
"YES" : "NO");
for (j = 0; j < numFaces; j++)
printf("- Face #%d : %s\n", j,
(char *)glcGetMasterListc(i, GLC_FACE_LIST, j));
printf("- Master #%d maps 0x%X to %s\n", i, 65 + i,
(char *)glcGetMasterMap(i, 65 + i));
}
glcDeleteContext(ctx);
return 0;
}
static void
access_font()
{
/* This routine contains all the necessary steps to setup a */
/* font master and a face. Subsequent glcRenderChar() and */
/* glcRenderString() calls will draw the characters in the */
/* specified font/face. */
static GLboolean have_context = GL_FALSE;
GLint glc_context;
GLint master_count;
#ifdef _WIN32_
const char* master_name = "Times New Roman";
#else
const char* master_name = "Times";
#endif
GLint master;
GLint face_count;
const char* face_name = "Bold";
static GLint glc_font_id;
GLint result;
unsigned int i, j;
if (have_context == GL_FALSE) {
/* Only get a context once. */
/* When using SGI's implementation of GLC, don't call glcGetError() */
/* after this glcGenContext() call because it always returns */
/* GLC_STATE_ERROR. That's probably a bug in SGI's GLC. This behavior */
/* doesn't occur in QuesoGLC. */
/* So, in order to let glclogo run with both implementations, just */
/* validate the context. If it's OK, then go for it. */
glc_context = glcGenContext();
if (!glcIsContext(glc_context)) {
fprintf(stderr, "Error - glcGenContext() failed. Exiting.\n");
exit(-1);
}
else {
/* Context is valid. Make it the current context. */
glcContext(glc_context);
check_glc_error("glcContext()");
have_context = GL_TRUE;
/* Get a unique font ID. */
glc_font_id = glcGenFontID();
/* Choose a master and a face. */
master_count = glcGeti(GLC_MASTER_COUNT);
master = 0;
for (i = 0; i < master_count; i++) {
if (!strcmp((const char*)glcGetMasterc(i, GLC_FAMILY),
master_name)) {
face_count = glcGetMasteri(i, GLC_FACE_COUNT);
for (j = 0; j < face_count; j++) {
if (!strcmp((const char*)glcGetMasterListc(i, GLC_FACE_LIST, j), face_name)) {
master = i;
}
}
}
}
/* Access the font family. */
result = glcNewFontFromFamily(glc_font_id,
glcGetMasterc(master, GLC_FAMILY));
check_glc_error("glcNewFontFromFamily()");
if (result != glc_font_id) {
fprintf(stderr, "Error - glcNewFontFromFamily() failed. Exiting.\n");
exit(-1);
}
else {
/* Use the font. */
glcFont(glc_font_id);
check_glc_error("glcFont()");
/* Use the face. */
glcFontFace(glc_font_id, face_name);
check_glc_error("glcFontFace()");
#if 0
/* This only speeds up immediate mode rendering. */
/* Don't do this when compiling your own display list because */
/* the polygons will go into the GLC internal display lists */
/* rather than the display list you are trying to construct. */
glcEnable(GLC_GL_OBJECTS);
check_glc_error("glcEnable(GLC_GL_OBJECTS)");
#else
glcDisable(GLC_GL_OBJECTS);
check_glc_error("glcDisable(GLC_GL_OBJECTS)");
#endif
/* Draw as polygons for smooth rotation & zoom. */
glcRenderStyle(GLC_TRIANGLE);
check_glc_error("glcRenderStyle(GLC_TRIANGLE)");
}
}
}
}
int main(int argc, char **argv) {
GLint ctx;
GLCenum err;
GLint length = 0;
GLint i, j, n;
GLint font = 0;
GLfloat baseline1[4], baseline2[4];
GLfloat boundingBox1[8], boundingBox2[8];
GLfloat v1, v2, norm, area;
/* Needed to initialize an OpenGL context */
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
glutCreateWindow("test7");
ctx = glcGenContext();
CheckError();
glcContext(ctx);
CheckError();
length = glcMeasureCountedString(GL_TRUE, strlen(string)-1, string);
CheckError();
if ((!length) || (length != (strlen(string)-1))) {
printf("glcMeasureString() failed to measure %d characters"
" (%d measured instead)\n", (int)strlen(string), length);
return -1;
}
n = glcGeti(GLC_MEASURED_CHAR_COUNT);
CheckError();
if (length != n) {
printf("glcGeti(GLC_MEASURED_CHAR_COUNT) == %d is not consistent with the"
" value returned by glcMeasureString() == %d\n", n, length);
return -1;
}
length = glcMeasureString(GL_TRUE, string);
CheckError();
if ((!length) || (length != strlen(string))) {
printf("glcMeasureString() failed to measure %d characters"
" (%d measured instead)\n", (int)strlen(string), length);
return -1;
}
n = glcGeti(GLC_MEASURED_CHAR_COUNT);
CheckError();
if (length != n) {
printf("glcGeti(GLC_MEASURED_CHAR_COUNT) == %d is not consistent with the"
" value returned by glcMeasureString() == %d\n", n, length);
return -1;
}
for (i = 0; i < strlen(string); i++) {
if (!glcGetCharMetric(string[i], GLC_BASELINE, baseline1)) {
printf("Failed to measure the baseline of the character %c\n",
string[i]);
return -1;
}
CheckError();
if (!glcGetStringCharMetric(i, GLC_BASELINE, baseline2)) {
printf("Failed to get the baseline of the %dth character of the string"
" %s\n", i, string);
return -1;
}
CheckError();
for (j = 0; j < 2; j++) {
v1 = fabs(baseline1[j + 2] - baseline1[j]);
v2 = fabs(baseline2[j + 2] - baseline2[j]);
norm = v1 > v2 ? v1 : v2;
if (fabs(v1 - v2) > EPSILON * norm) {
printf("Baseline values differ [rank %d char %d] %f (char),"
" %f (string)\n", j, i, v1, v2);
return -1;
}
}
if (!glcGetCharMetric(string[i], GLC_BOUNDS, boundingBox1)) {
printf("Failed to measure the bounding box of the character %c\n",
string[i]);
return -1;
}
CheckError();
if (!glcGetStringCharMetric(i, GLC_BOUNDS, boundingBox2)) {
printf("Failed to get the bounding box of the %dth character of the"
" string %s\n", i, string);
return -1;
}
CheckError();
for (j = 0; j < 6; j++) {
v1 = fabs(boundingBox1[j + 2] - boundingBox1[j]);
v2 = fabs(boundingBox2[j + 2] - boundingBox2[j]);
norm = v1 > v2 ? v1 : v2;
if (fabs(v1 - v2) > EPSILON * norm) {
printf("Bounding Box values differ [rank %d char %d] %f (char),"
" %f (string)", j, i, v1, v2);
return -1;
}
}
}
if (!glcGeti(GLC_FONT_COUNT)) {
printf("GLC_FONT_LIST is empty\n");
return -1;
}
CheckError();
if (!glcGeti(GLC_CURRENT_FONT_COUNT)) {
printf("GLC_CURRENT_FONT_LIST is empty\n");
return -1;
}
CheckError();
if (!glcGetMaxCharMetric(GLC_BASELINE, baseline1)) {
printf("Failed to get the max baseline of the current fonts\n");
return -1;
}
CheckError();
v1 = fabs(baseline1[1]);
v2 = fabs(baseline1[3]);
norm = v1 > v2 ? v1 : v2;
if (fabs(v1 - v2) < EPSILON * norm) {
v1 = fabs(baseline1[0]);
v2 = fabs(baseline1[2]);
norm = v1 > v2 ? v1 : v2;
if ((fabs(v1 - v2) < EPSILON * norm) || (baseline1[2] < baseline1[0])) {
printf("Right and left side of the max baseline are swapped\n");
printf("%f %f %f %f\n", baseline1[0], baseline1[1], baseline1[2],
baseline1[3]);
font = glcGetListi(GLC_FONT_LIST, 0);
printf("Family : %s\n", (char*)glcGetFontc(font, GLC_FAMILY));
printf("Face : %s\n", (char*)glcGetFontFace(font));
return -1;
}
}
if (!glcGetMaxCharMetric(GLC_BOUNDS, boundingBox1)) {
printf("Failed to get the max bounding box of the current fonts\n");
return -1;
}
CheckError();
area = 0.;
for (i = 0; i < 3; i++) {
area += boundingBox1[2*i] * boundingBox1[2*(i+1)+1]
- boundingBox1[2*(i+1)] * boundingBox1[2*i+1];
}
if (fabs(area * .5) < EPSILON) {
printf("Max area of the characters is null\n");
return -1;
}
/* Regression test for bug #1821219 (glcGetCharMetric randomly crashes when
* requesting measurement for the space character).
*/
for (i = 0; i < glcGeti(GLC_MASTER_COUNT); i++) {
GLint font = glcGenFontID();
if (!glcNewFontFromMaster(font, i)) {
printf("Can not get a font from master %s\n",
(char*)glcGetMasterc(i, GLC_FAMILY));
return -1;
}
CheckError();
glcFont(font);
CheckError();
if (!glcGetFontMap(font, ' ')) {
printf("INFO : Family %s %s has no space character\n",
(char*)glcGetFontc(font, GLC_FAMILY), (char*)glcGetFontFace(font));
continue;
}
if (!glcGetCharMetric(' ', GLC_BOUNDS, boundingBox1)) {
printf("Failed to get the bounding box of the space character\n");
printf("Family : %s\n", (char*)glcGetFontc(font, GLC_FAMILY));
printf("Face : %s\n", (char*)glcGetFontFace(font));
return -1;
}
CheckError();
if (!glcGetCharMetric(' ', GLC_BASELINE, baseline1)) {
printf("Failed to get the baseline of the space character\n");
printf("Family : %s\n", (char*)glcGetFontc(font, GLC_FAMILY));
printf("Face : %s\n", (char*)glcGetFontFace(font));
return -1;
}
CheckError();
v1 = fabs(baseline1[1]);
v2 = fabs(baseline1[3]);
norm = v1 > v2 ? v1 : v2;
if (fabs(v1 - v2) < EPSILON * norm) {
v1 = fabs(baseline1[0]);
v2 = fabs(baseline1[2]);
norm = v1 > v2 ? v1 : v2;
if ((fabs(v1 - v2) < EPSILON * norm) || (baseline1[2] < baseline1[0])) {
printf("Right and left side of the baseline are swapped\n");
printf("%f %f %f %f\n", baseline1[0], baseline1[1], baseline1[2],
baseline1[3]);
printf("Family : %s\n", (char*)glcGetFontc(font, GLC_FAMILY));
printf("Face : %s\n", (char*)glcGetFontFace(font));
return -1;
}
}
}
glcDeleteContext(ctx);
glcContext(0);
printf("Tests successful\n");
return 0;
}
