std::vector<int> Glyphs::Codepoints(std::string fontstack)
{
std::vector<int> points;
mapnik_fontnik::freetype_engine font_engine_;
mapnik_fontnik::face_manager_freetype font_manager(font_engine_);
mapnik_fontnik::font_set font_set(fontstack);
std::stringstream stream(fontstack);
std::string face_name;
while (std::getline(stream, face_name, ',')) {
font_set.add_face_name(Trim(face_name, " \t"));
}
mapnik_fontnik::face_set_ptr face_set;
// This may throw.
face_set = font_manager.get_face_set(font_set);
for (auto const& face : *face_set) {
FT_Face ft_face = face->get_face();
FT_ULong charcode;
FT_UInt gindex;
charcode = FT_Get_First_Char(ft_face, &gindex);
while (gindex != 0) {
charcode = FT_Get_Next_Char(ft_face, charcode, &gindex);
if (charcode != 0) points.push_back(charcode);
}
break;
}
return points;
}
void main(void)
{
font_t ibm_font, italic_font, min_font;
int i;
/* First, init the font system */
font_init();
/* Load all the fonts that we can */
ibm_font = font_load(font_ibm); /* 96 tiles */
italic_font = font_load(font_italic); /* 93 tiles */
/* Load this one with dk grey background and white foreground */
color(WHITE, DKGREY, SOLID);
min_font = font_load(font_min);
/* Turn scrolling off (why not?) */
mode(get_mode() | M_NO_SCROLL);
/* Print some text! */
/* IBM font */
font_set(ibm_font);
printf("Font demo.\n\n");
printf("IBM Font #!?123\n");
/* In italic */
font_set(italic_font);
for (i=1; i!=5; i++) {
printf("In italics, line %u\n", i);
}
/* With a minimal, colour changed font */
font_set(min_font);
printf("Minimal 36 tile font\n");
/* Done */
font_set(ibm_font);
printf("\nDone!");
}
static void conf_change_font_cp() {
font_init();
font_set(conf.font_cp);
}
void Glyphs::Range(std::string fontstack,
std::string range,
std::vector<std::uint32_t> chars)
{
mapnik_fontnik::freetype_engine font_engine_;
mapnik_fontnik::face_manager_freetype font_manager(font_engine_);
mapnik_fontnik::font_set font_set(fontstack);
std::stringstream stream(fontstack);
std::string face_name;
// TODO: better to split on delim and font_names_.reserve() then add?
while (std::getline(stream, face_name, ',')) {
font_set.add_face_name(Trim(face_name, " \t"));
}
mapnik_fontnik::face_set_ptr face_set;
// This may throw.
face_set = font_manager.get_face_set(font_set);
llmr::glyphs::fontstack *mutable_fontstack = glyphs.add_stacks();
mutable_fontstack->set_name(fontstack);
mutable_fontstack->set_range(range);
const double scale_factor = 1.0;
// Set character sizes.
double size = 24 * scale_factor;
face_set->set_character_sizes(size);
for (std::vector<uint32_t>::size_type i = 0; i != chars.size(); i++) {
FT_ULong char_code = chars[i];
mapnik_fontnik::glyph_info glyph;
for (auto const& face : *face_set) {
// Get FreeType face from face_ptr.
FT_Face ft_face = face->get_face();
FT_UInt char_index = FT_Get_Char_Index(ft_face, char_code);
// Try next font in fontset.
if (!char_index) continue;
glyph.glyph_index = char_index;
face->RenderSDF(glyph, 24, 3, 0.25);
// Add glyph to fontstack.
llmr::glyphs::glyph *mutable_glyph = mutable_fontstack->add_glyphs();
mutable_glyph->set_id(char_code);
mutable_glyph->set_width(glyph.width);
mutable_glyph->set_height(glyph.height);
mutable_glyph->set_left(glyph.left);
mutable_glyph->set_top(glyph.top - glyph.ascender);
mutable_glyph->set_advance(glyph.advance);
if (glyph.width > 0) {
mutable_glyph->set_bitmap(glyph.bitmap);
}
// Glyph added, continue to next char_code.
break;
}
}
}
void
main ()
{
UBYTE keys;
UBYTE pos, old_pos = 0;
UBYTE note, old_note = 0;
UBYTE relative_octave = 0;
UBYTE absolute_octave;
UBYTE waveform = pulse_50;
UBYTE mode = 0;
UBYTE root = C;
SCALE scale[8];
font_t big_font, small_font;
font_init ();
big_font = font_load (font_ibm);
small_font = font_load (font_spect);
font_set (big_font);
printf (";; Boueux v%s\n", BOUEUX_VERSION);
INIT_SOUND;
MASTER_VOLUME = OFF;
update_waveform (waveform);
MASTER_VOLUME = HIGH;
build_scale_mode (scale, root, mode);
for (;;)
{
keys = joypad ();
pos = scale_position (keys);
if (pos)
{
note = scale[pos - 1] + relative_octave*OCTAVE_LEN;
/* Raise by perfect 4th */
if (PRESSED (B)) note += 5; /* a perfect fourth = 5 semitones */
/* Lower by semitone */
if (PRESSED (A)) note -= 1;
}
/* Change octave */
if (PRESSED (START))
{
relative_octave = !relative_octave;
printf ("\n;; rel octave +%d\n", relative_octave);
WAIT_KEY_UP (START);
}
if (PRESSED (SELECT))
{
/* Change mode */
if (PRESSED (RIGHT))
{
mode = (mode + 1) % NUM_MODES;
WAIT_KEY_UP (RIGHT);
build_scale_mode (scale, root, mode);
}
/* Change waveform */
if (PRESSED (LEFT))
{
WAIT_KEY_UP (LEFT);
waveform = (waveform + 1) % NUM_WAVEFORMS;
update_waveform (waveform);
}
/* Increment root note */
if (PRESSED (UP))
{
WAIT_KEY_UP (UP);
root = (root + 1) % OCTAVE_LEN;
build_scale_mode (scale, root, mode);
}
/* Decrement root note */
if (PRESSED (DOWN))
{
WAIT_KEY_UP (DOWN);
if (root == 0)
root = OCTAVE_LEN - 1;
else
root = (root - 1) % OCTAVE_LEN;
build_scale_mode (scale, root, mode);
}
continue;
}
if ((note != old_note) || (pos != old_pos))
{
if (pos) /* Note will be played */
{
CH1_VOL = HIGH;
CH2_VOL = HIGH;
play_note (note, waveform);
font_set (small_font);
printf (note_names[note % OCTAVE_LEN]);
absolute_octave = note/OCTAVE_LEN + 3;
printf ("%d", absolute_octave);
printf (" ");
font_set (big_font);
}
else /* Stop note */
{
CH1_VOL = OFF;
CH2_VOL = OFF;
printf (". ");
}
}
if (waveform == wawa) wawa_update();
old_note = note;
old_pos = pos;
}
}
