static xcb_gc_t getFontGC(xcb_connection_t *connection,
xcb_screen_t *screen,
xcb_window_t window,
const char *fontName) {
xcb_font_t font = xcb_generate_id(connection);
xcb_void_cookie_t fontCookie = xcb_open_font_checked(connection,
font,
strlen(fontName),
fontName);
testCookie(fontCookie, connection, "can't open font");
xcb_gcontext_t gc = xcb_generate_id(connection);
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
uint32_t value_list[3];
value_list[0] = screen->black_pixel;
value_list[1] = screen->white_pixel;
value_list[2] = font;
xcb_void_cookie_t gcCookie = xcb_create_gc_checked(connection,
gc,
window,
mask,
value_list);
testCookie(gcCookie, connection, "can't create gc");
fontCookie = xcb_close_font_checked(connection, font);
testCookie(fontCookie, connection, "can't close font");
return gc;
}
static void
cursor_set (xcb_connection_t *c,
xcb_screen_t *screen,
xcb_window_t window,
int cursor_id)
{
uint32_t values_list[3];
xcb_void_cookie_t cookie_font;
xcb_void_cookie_t cookie_gc;
xcb_generic_error_t *error;
xcb_font_t font;
xcb_cursor_t cursor;
xcb_gcontext_t gc;
uint32_t mask;
uint32_t value_list;
font = xcb_generate_id (c);
cookie_font = xcb_open_font_checked (c, font,
strlen ("cursor"),
"cursor");
error = xcb_request_check (c, cookie_font);
if (error) {
fprintf (stderr, "ERROR: can't open font : %d\n", error->error_code);
xcb_disconnect (c);
exit (-1);
}
cursor = xcb_generate_id (c);
xcb_create_glyph_cursor (c, cursor, font, font,
cursor_id, cursor_id + 1,
0, 0, 0,
0, 0, 0);
gc = xcb_generate_id (c);
mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
values_list[0] = screen->black_pixel;
values_list[1] = screen->white_pixel;
values_list[2] = font;
cookie_gc = xcb_create_gc_checked (c, gc, window, mask, values_list);
error = xcb_request_check (c, cookie_gc);
if (error) {
fprintf (stderr, "ERROR: can't create gc : %d\n", error->error_code);
xcb_disconnect (c);
exit (-1);
}
mask = XCB_CW_CURSOR;
value_list = cursor;
xcb_change_window_attributes (c, window, mask, &value_list);
xcb_free_cursor (c, cursor);
cookie_font = xcb_close_font_checked (c, font);
error = xcb_request_check (c, cookie_font);
if (error) {
fprintf (stderr, "ERROR: can't close font : %d\n", error->error_code);
xcb_disconnect (c);
exit (-1);
}
}
static xcb_gc_t
gc_font_get (xcb_connection_t *c,
xcb_screen_t *screen,
xcb_window_t window,
const char *font_name)
{
uint32_t value_list[3];
xcb_void_cookie_t cookie_font;
xcb_void_cookie_t cookie_gc;
xcb_generic_error_t *error;
xcb_font_t font;
xcb_gcontext_t gc;
uint32_t mask;
font = xcb_generate_id (c);
cookie_font = xcb_open_font_checked (c, font,
strlen (font_name),
font_name);
error = xcb_request_check (c, cookie_font);
if (error) {
fprintf (stderr, "ERROR: can't open font : %d\n", error->error_code);
xcb_disconnect (c);
return -1;
}
gc = xcb_generate_id (c);
mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
value_list[0] = screen->black_pixel;
value_list[1] = screen->white_pixel;
value_list[2] = font;
cookie_gc = xcb_create_gc_checked (c, gc, window, mask, value_list);
error = xcb_request_check (c, cookie_gc);
if (error) {
fprintf (stderr, "ERROR: can't create gc : %d\n", error->error_code);
xcb_disconnect (c);
exit (-1);
}
cookie_font = xcb_close_font_checked (c, font);
error = xcb_request_check (c, cookie_font);
if (error) {
fprintf (stderr, "ERROR: can't close font : %d\n", error->error_code);
xcb_disconnect (c);
exit (-1);
}
return gc;
}
static void setCursor(xcb_connection_t *connection,
xcb_screen_t *screen,
xcb_window_t window,
int cursorId) {
xcb_font_t font = xcb_generate_id(connection);
xcb_void_cookie_t fontCookie = xcb_open_font_checked(connection,
font,
strlen("cursor"),
"cursor");
testCookie(fontCookie, connection, "can't open font");
xcb_cursor_t cursor = xcb_generate_id(connection);
xcb_create_glyph_cursor(connection,
cursor,
font,
font,
cursorId,
cursorId + 1,
0,0,0,0,0,0);
xcb_gcontext_t gc = xcb_generate_id(connection);
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
uint32_t values_list[3];
values_list[0] = screen->black_pixel;
values_list[1] = screen->white_pixel;
values_list[2] = font;
xcb_void_cookie_t gcCookie = xcb_create_gc_checked(connection, gc, window, mask, values_list);
testCookie(gcCookie, connection, "can't create gc");
mask = XCB_CW_CURSOR;
uint32_t value_list = cursor;
xcb_change_window_attributes(connection, window, mask, &value_list);
xcb_free_cursor(connection, cursor);
fontCookie = xcb_close_font_checked(connection, font);
testCookie(fontCookie, connection, "can't close font");
}
void draw(xcb_connection_t *connection, xcb_screen_t *screen, xcb_window_t window) {
if (NULL != testcase) {
DRAW_FUNC pf = (DRAW_FUNC)dlsym(0, testcase);
if (NULL != pf) {
fprintf(stderr, "call %s \n", testcase);
pf();
return;
}
}
//get_version();
xcb_font_t font = xcb_generate_id(connection);
xcb_void_cookie_t cookie_font = xcb_open_font_checked(connection, font, strlen(font_name_pattern), font_name_pattern);
xcb_generic_error_t *error = xcb_request_check(connection, cookie_font);
if (error) {
fprintf(stderr, "ERROR: can't open font :%d\n", error->error_code);
xcb_disconnect(connection);
exit(0);
}
xcb_gcontext_t gc = xcb_generate_id(connection);
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
uint32_t value_list[3];
value_list[0] = screen->black_pixel;
value_list[1] = screen->white_pixel;
value_list[2] = font;
xcb_void_cookie_t cookie_gc = xcb_create_gc_checked(connection, gc, window, mask, value_list);
error = xcb_request_check(connection, cookie_gc);
if (error) {
fprintf(stderr, "ERROR: can't create gc: %d\n", error->error_code);
xcb_disconnect(connection);
exit(0);
}
cookie_font = xcb_close_font_checked(connection, font);
error = xcb_request_check(connection, cookie_font);
if (error) {
fprintf(stderr, "ERROR: can't close font: %d\n", error->error_code);
xcb_disconnect(connection);
exit(0);
}
glClearColor(1.0, 1.0, 1.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
glFlush();
glColor3f(1.0f, 0.0f, 0.0f);
glRasterPos2f(0.0f, 0.0f);
glPushAttrib(GL_LIST_BIT);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
static int isFirstCall = 1;
static GLuint lists;
if (isFirstCall) {
lists = glGenLists(128);
}
#if 1
//for (i = 0; i < sizeof(letters)
glNewList(lists + 'A', GL_COMPILE);
glBitmap(8, 13, 0.0, 2.0, 10.0, 0.0, letters[0]);
glEndList();
GLubyte *str = (GLubyte*)"A";
#else
glXUseXFont(font, 0, 128, lists);
GLubyte *str = (GLubyte*)"Hello, world.";
#endif
glListBase(lists);
glCallLists(strlen(str), GL_UNSIGNED_BYTE, str);
glPopAttrib();
glFlush();
/* static int isFirstCall = 1;
static GLuint lists;
//load font
//gen list
if (isFirstCall) {
lists = glGenLists(128);
}
glXUseXFont(font, 0, 128, lists);
glListBase(lists);
char *str = "Hello, world";
for (; *str!='\0';++str) {
glCallList(lists + *str);
}
glFlush();
//glDeleteLists(lists, 256);
//use font
//draw text
//unuse font?
//delete list
//unload font*/
cookie_gc = xcb_free_gc(connection, gc);
error = xcb_request_check(connection, cookie_gc);
if (error) {
fprintf(stderr, "ERROR: can't free gc: %d\n", error->error_code);
xcb_disconnect(connection);
exit(0);
}
}
