void view_paint()
{
SDL_SetRenderDrawColor(g_renderer, 0xFF, 0xFF, 0xFF, 0xFF);
SDL_RenderClear(g_renderer);
render_char(digit1, 0);
render_char(digit2, DIGIT_WIDTH);
render_colon(colon);
render_char(digit3, DIGIT_WIDTH * 2 + COLON_WIDTH);
render_char(digit4, DIGIT_WIDTH * 2 + COLON_WIDTH + DIGIT_WIDTH);
SDL_RenderPresent(g_renderer);
}
/* render_gapbuf: renders an entire gap buffer
*/
void render_gapbuf (gapbuf G, WINDOW *w){
int i;
for (i = 0 ; i < G->limit; i++) {
// If G->buffer[i][1] != 0 , print G->buffer[i][0]
// else print that highlighted
if (G->buffer[i][1] == 0) { // if highlighted
render_char(G->buffer[i][0], true, w);
}
else {
render_char(G->buffer[i][1], false, w);
}
}
}
static inline
int waddch_literal(WINDOW *win, chtype ch)
{
int x;
struct ldat *line;
x = win->_curx;
CHECK_POSITION(win, x, win->_cury);
/*
* If we're trying to add a character at the lower-right corner more
* than once, fail. (Moving the cursor will clear the flag).
*/
if (win->_flags & _WRAPPED) {
if (x >= win->_maxx)
return (ERR);
win->_flags &= ~_WRAPPED;
}
ch = render_char(win, ch);
TR(TRACE_VIRTPUT, ("win attr = %s", _traceattr(win->_attrs)));
line = win->_line+win->_cury;
if (line->firstchar == _NOCHANGE)
line->firstchar = line->lastchar = x;
else if (x < line->firstchar)
line->firstchar = x;
else if (x > line->lastchar)
line->lastchar = x;
line->text[x++] = ch;
TR(TRACE_VIRTPUT, ("(%d, %d) = %s", win->_cury, x, _tracechtype(ch)));
if (x > win->_maxx) {
/*
* The _WRAPPED flag is useful only for telling an application
* that we've just wrapped the cursor. We don't do anything
* with this flag except set it when wrapping, and clear it
* whenever we move the cursor. If we try to wrap at the
* lower-right corner of a window, we cannot move the cursor
* (since that wouldn't be legal). So we return an error
* (which is what SVr4 does). Unlike SVr4, we can successfully
* add a character to the lower-right corner.
*/
win->_flags |= _WRAPPED;
if (++win->_cury > win->_regbottom) {
win->_cury = win->_regbottom;
win->_curx = win->_maxx;
if (!win->_scroll)
return (ERR);
scroll(win);
}
win->_curx = 0;
return (OK);
}
win->_curx = x;
return OK;
}
static int
centered_par_render_func(tex_par_t ppar, tex_buffer_t pbuf, int curline)
{
int wfirst = 0, wlast;
int cfirst;
tex_word_t curw;
int curwidth;
if (!ppar->u) return curline;
while (wfirst < ppar->u) {
// find the range of words to fit into one line
if (ppar->words[wfirst]->u > pbuf->cols) {
// the word is too long to fit into one line
curw = ppar->words[wfirst];
cfirst = 0;
while (cfirst + pbuf->cols - 1 < curw->u) {
if (cfirst + pbuf->cols == curw->u) break;
render_tex_char_ts(pbuf, curline, 0, &curw->chars[cfirst],
pbuf->cols - 1);
render_char(pbuf, curline, pbuf->cols - 1, '\\', 0, 0, 0, 0, 0);
curline++;
cfirst += pbuf->cols - 1;
}
render_tex_char_ts(pbuf, curline, 0, &curw->chars[cfirst],
curw->u - cfirst);
curline++;
wfirst++;
continue;
}
if (ppar->words[wfirst]->u == pbuf->cols) {
// the word is exactly of line width
curw = ppar->words[wfirst];
render_tex_char_ts(pbuf, curline, 0, curw->chars, curw->u);
curline++;
wfirst++;
continue;
}
wlast = wfirst + 1;
curwidth = ppar->words[wfirst]->u;
while (wlast < ppar->u) {
if (curwidth + ppar->words[wlast]->u + 1 > pbuf->cols) break;
curwidth += ppar->words[wlast]->u + 1;
wlast++;
}
wlast--;
cfirst = (pbuf->cols - curwidth) / 2;
while (wfirst <= wlast) {
curw = ppar->words[wfirst];
render_tex_char_ts(pbuf, curline, cfirst, curw->chars, curw->u);
cfirst += curw->u + 1;
wfirst++;
}
curline++;
}
return curline;
}
uint8_t mf_bwfont_render_character(const struct mf_font_s *font,
int16_t x0, int16_t y0,
uint16_t character,
mf_pixel_callback_t callback,
void *state)
{
const struct mf_bwfont_s *bwfont = (const struct mf_bwfont_s*)font;
const struct mf_bwfont_char_range_s *range;
uint16_t index;
range = find_char_range(bwfont, character, &index);
if (!range)
return 0;
return render_char(range, x0, y0, index, callback, state);
}
// everything happens in this constructor.
Ttt::Ttt(Writer* wr, std::string str, int unicode , std::string ttfont )
: my_writer(wr)
{
self = this; // so that static methods work..
int error;
int linescale = 0;
previous = false; // no previous char, for kerning
previous_glyph_index = 0; // no index, for kerning
error = FT_Init_FreeType(&library);
if(error) handle_ft_error("FT_Init_FreeType" , error, __LINE__);
error = FT_New_Face(library, ttfont.data() , 0, &face);
if(error) handle_ft_error("FT_New_Face", error, __LINE__);
#define MYFSIZE 64
error = FT_Set_Pixel_Sizes(face, 0, MYFSIZE);
if (error) handle_ft_error("FT_Set_Pixel_Sizes", error, __LINE__);
if (unicode) setlocale(LC_CTYPE, "");
// this redirects to the buffer
cout_redirect redir( buffer.rdbuf() );
int l = str.length();
my_writer->preamble();
line_extents.reset();
long int offset = 0;
const char* s = str.data();
while(*s ) { // loop through characters
wchar_t wc;
int r = mbtowc(&wc, s, l); // convert multibyte s, store in wc. return number of converted bytes
if(r==-1) { s++; continue; }
my_writer->start_glyph(s,wc, offset); // comment at start of glyph
glyph_extents.reset();
offset += render_char(face, wc, offset, linescale); // the glyph
line_extents.add_extents(glyph_extents);
s += r; l -= r;
my_writer->end_glyph(glyph_extents, advance); // comment at end of glyph
}
my_writer->set_extents(line_extents);
my_writer->postamble(offset, line_extents);
}
void render_string(char *fbp,int x,int y,char **font,char *string,unsigned short int effects){
unsigned long int counter = 0;
unsigned long int offset = 0;
int x_cur;
int y_cur;
x_cur = x;
y_cur = y;
for ( counter = 0; counter < strlen(string); counter++){
render_char(fbp,x_cur,y_cur,font,string[counter],effects);
x_cur = x_cur + *font[0];
}
}
static
#if !USE_WIDEC_SUPPORT /* cannot be inline if it is recursive */
NCURSES_INLINE
#endif
int
waddch_literal(WINDOW *win, NCURSES_CH_T ch)
{
int x;
int y;
struct ldat *line;
x = win->_curx;
y = win->_cury;
CHECK_POSITION(win, x, y);
ch = render_char(win, ch);
line = win->_line + y;
CHANGED_CELL(line, x);
/*
* Build up multibyte characters until we have a wide-character.
*/
if_WIDEC({
if (WINDOW_EXT(win, addch_used) != 0 || !Charable(ch)) {
int len = _nc_build_wch(win, CHREF(ch));
if (len >= -1) {
/* handle EILSEQ */
if (is8bits(CharOf(ch))) {
const char *s = unctrl((chtype) CharOf(ch));
if (s[1] != 0) {
return waddstr(win, s);
}
}
if (len == -1)
return waddch(win, ' ');
} else {
return OK;
}
}
});
void font_draw(font_info* info, const char *text, float x, float y) {
if (info == NULL || text == NULL)
return;
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, info->tex);
glBindVertexArray(info->vao);
glBindBuffer(GL_ARRAY_BUFFER, info->vbo);
glEnableVertexAttribArray(info->attribute_coord);
y += info->pointSize; // Bitmaps start at bottom-left corner.
float aspect = 1.0; //min((float) glutGet(GLUT_WINDOW_WIDTH) / width, (float) glutGet(GLUT_WINDOW_HEIGHT) / height);
float sx = aspect * (float)info->pixelsPerPoint / glutGet(GLUT_WINDOW_WIDTH);//
float sy = aspect * (float)info->pixelsPerPoint / glutGet(GLUT_WINDOW_HEIGHT);
x = -1 + x * sx;
y = 1 - y * sy;
float startX = x, startY = y;
const char *p;
for(p = text; *p; p++)
render_char(info, *p, &x, &y, sx, sy, startX, startY);
}
static int
wadd_wch_literal(WINDOW *win, cchar_t ch)
{
int x;
int y;
struct ldat *line;
x = win->_curx;
y = win->_cury;
CHECK_POSITION(win, x, y);
ch = render_char(win, ch);
line = win->_line + y;
CHANGED_CELL(line, x);
/*
* Non-spacing characters are added to the current cell.
*
* Spacing characters that are wider than one column require some display
* adjustments.
*/
{
int len = wcwidth(CharOf(ch));
int i;
int j;
wchar_t *chars;
if (len == 0) { /* non-spacing */
if ((x > 0 && y >= 0)
|| (win->_maxx >= 0 && win->_cury >= 1)) {
if (x > 0 && y >= 0)
chars = (win->_line[y].text[x - 1].chars);
else
chars = (win->_line[y - 1].text[win->_maxx].chars);
for (i = 0; i < CCHARW_MAX; ++i) {
if (chars[i] == 0) {
TR(TRACE_VIRTPUT,
("added non-spacing %d: %x",
x, (int) CharOf(ch)));
chars[i] = CharOf(ch);
break;
}
}
}
goto testwrapping;
} else if (len > 1) { /* multi-column characters */
/*
* Check if the character will fit on the current line. If it does
* not fit, fill in the remainder of the line with blanks. and
* move to the next line.
*/
if (len > win->_maxx + 1) {
TR(TRACE_VIRTPUT, ("character will not fit"));
return ERR;
} else if (x + len > win->_maxx + 1) {
int count = win->_maxx + 1 - x;
TR(TRACE_VIRTPUT, ("fill %d remaining cells", count));
fill_cells(win, count);
if (wrap_to_next_line(win) == ERR)
return ERR;
x = win->_curx;
y = win->_cury;
line = win->_line + y;
}
/*
* Check for cells which are orphaned by adding this character, set
* those to blanks.
*
* FIXME: this actually could fill j-i cells, more complicated to
* setup though.
*/
for (i = 0; i < len; ++i) {
if (isWidecBase(win->_line[y].text[x + i])) {
break;
} else if (isWidecExt(win->_line[y].text[x + i])) {
for (j = i; x + j <= win->_maxx; ++j) {
if (!isWidecExt(win->_line[y].text[x + j])) {
TR(TRACE_VIRTPUT, ("fill %d orphan cells", j));
fill_cells(win, j);
break;
}
}
break;
}
}
/*
* Finally, add the cells for this character.
*/
for (i = 0; i < len; ++i) {
cchar_t value = ch;
SetWidecExt(value, i);
TR(TRACE_VIRTPUT, ("multicolumn %d:%d (%d,%d)",
i + 1, len,
win->_begy + y, win->_begx + x));
line->text[x] = value;
CHANGED_CELL(line, x);
++x;
}
goto testwrapping;
}
}
/*
* Single-column characters.
*/
line->text[x++] = ch;
/*
* This label is used only for wide-characters.
*/
testwrapping:
TR(TRACE_VIRTPUT, ("cell (%ld, %ld..%d) = %s",
(long) win->_cury, (long) win->_curx, x - 1,
_tracech_t(CHREF(ch))));
if (x > win->_maxx) {
return wrap_to_next_line(win);
}
win->_curx = (NCURSES_SIZE_T) x;
return OK;
}
_nc_render(WINDOW *win, NCURSES_CH_T ch)
/* make render_char() visible while still allowing us to inline it below */
{
return render_char(win, ch);
}
static
#if !USE_WIDEC_SUPPORT /* cannot be inline if it is recursive */
NCURSES_INLINE
#endif
int
waddch_literal(WINDOW *win, NCURSES_CH_T ch)
{
int x;
int y;
struct ldat *line;
x = win->_curx;
y = win->_cury;
CHECK_POSITION(win, x, y);
ch = render_char(win, ch);
line = win->_line + y;
CHANGED_CELL(line, x);
/*
* Build up multibyte characters until we have a wide-character.
*/
#if NCURSES_SP_FUNCS
#define DeriveSP() SCREEN *sp = _nc_screen_of(win);
#else
#define DeriveSP() /*nothing */
#endif
if_WIDEC({
DeriveSP();
if (WINDOW_EXT(win, addch_used) != 0 || !Charable(ch)) {
int len = _nc_build_wch(win, CHREF(ch));
if (len >= -1) {
attr_t attr = AttrOf(ch);
/* handle EILSEQ (i.e., when len >= -1) */
if (len == -1 && is8bits(CharOf(ch))) {
int rc = OK;
const char *s = NCURSES_SP_NAME(unctrl)
(NCURSES_SP_ARGx (chtype) CharOf(ch));
if (s[1] != '\0') {
while (*s != '\0') {
rc = waddch(win, UChar(*s) | attr);
if (rc != OK)
break;
++s;
}
return rc;
}
}
if (len == -1)
return waddch(win, ' ' | attr);
} else {
return OK;
}
}
});
/* Make render_char() visible while still allowing us to inline it below. */
NCURSES_CH_T _nc_render(WINDOW *win, NCURSES_CH_T ch)
{
return render_char(win, ch);
}
gfx_pixmap_t *gfxr_draw_font(gfx_bitmap_font_t *font, const char *stext, int characters, PaletteEntry *fg0, PaletteEntry *fg1, PaletteEntry *bg) {
unsigned char *text = (unsigned char *)stext;
int height = font->height;
int width = 0;
gfx_pixmap_t *pxm;
int fore_0, fore_1, back;
int i;
int hack = 0;
PaletteEntry dummy(0,0,0); // black
byte *offset;
for (i = 0; i < characters; i++) {
int ch = (int) text[i];
if (ch >= font->chars_nr) {
error("Invalid character 0x%02x encountered", text[i]);
return NULL;
}
width += font->widths[ch];
}
pxm = gfx_pixmap_alloc_index_data(gfx_new_pixmap(width, height, GFX_RESID_NONE, 0, 0));
int colors_nr = !!fg0 + !!fg1 + !!bg;
if (colors_nr == 0) {
warning("[GFX] Pixmap would have zero colors, resetting");
colors_nr = 3;
hack = 1;
fg0 = fg1 = bg = &dummy;
}
pxm->palette = new Palette(colors_nr);
pxm->palette->name = "font";
i = 0;
if (fg0 || hack) {
pxm->palette->setColor(i, fg0->r, fg0->g, fg0->b);
fore_0 = i++;
} else
fore_0 = pxm->color_key;
if (fg1 || hack) {
pxm->palette->setColor(i, fg1->r, fg1->g, fg1->b);
fore_1 = i++;
} else
fore_1 = pxm->color_key;
if (bg || hack) {
pxm->palette->setColor(i, bg->r, bg->g, bg->b);
back = i++;
} else
back = pxm->color_key;
offset = pxm->index_data;
memset(pxm->index_data, back, pxm->index_width * pxm->index_height);
for (i = 0; i < characters; i++) {
unsigned char ch = text[i];
width = font->widths[ch];
render_char(offset, font->data + (ch * font->char_size), width,
pxm->index_width, pxm->index_height, font->row_size, fore_0, fore_1, back);
offset += width;
}
return pxm;
}
static int
justified_par_render_func(tex_par_t ppar, tex_buffer_t pbuf, int curline)
{
int indent, left_margin, right_margin, width, cur_left;
int wfirst = 0, wlast, cfirst, ws, rems, i, curwidth;
tex_word_t curw;
if (!ppar->u) return curline;
indent = ppar->indent;
left_margin = ppar->left_margin;
right_margin = ppar->right_margin;
if (left_margin < 0) left_margin = 0;
if (right_margin < 0) right_margin = 0;
if (left_margin + 2 > pbuf->cols - right_margin) right_margin = 0;
if (left_margin + 2 > pbuf->cols - right_margin) left_margin = 0;
if (left_margin + indent < 0) indent = 0;
if (left_margin + indent + 2 > pbuf->cols - right_margin) indent=left_margin;
width = pbuf->cols - (left_margin + indent) - right_margin;
cur_left = left_margin + indent;
while (wfirst < ppar->u) {
curw = ppar->words[wfirst];
if (curw->u > width) {
cfirst = 0;
render_tex_char_ts(pbuf, curline, cur_left, &curw->chars[cfirst],
width - 1);
render_char(pbuf, curline, left_margin + width - 1, '\\', 0, 0, 0, 0, 0);
curline++;
cfirst += width - 1;
width = pbuf->cols - left_margin - right_margin;
cur_left = left_margin;
while (cfirst + width - 1 < curw->u) {
if (cfirst + width == curw->u) break;
render_tex_char_ts(pbuf, curline, cur_left, &curw->chars[cfirst],
width - 1);
render_char(pbuf, curline, left_margin + width - 1, '\\', 0, 0,0,0,0);
curline++;
cfirst += width - 1;
}
render_tex_char_ts(pbuf, curline, cur_left, &curw->chars[cfirst],
curw->u - cfirst);
curline++;
wfirst++;
} else if (curw->u == width) {
render_tex_char_ts(pbuf, curline, cur_left, curw->chars, curw->u);
width = pbuf->cols - left_margin - right_margin;
cur_left = left_margin;
curline++;
wfirst++;
} else {
wlast = wfirst + 1;
curwidth = ppar->words[wfirst]->u;
while (wlast < ppar->u) {
if (curwidth + ppar->words[wlast]->u + 1 > width) break;
curwidth += ppar->words[wlast]->u + 1;
wlast++;
}
wlast--;
if (wlast + 1 == ppar->u) {
cfirst = cur_left;
while (wfirst <= wlast) {
curw = ppar->words[wfirst];
render_tex_char_ts(pbuf, curline, cfirst, curw->chars, curw->u);
cfirst += curw->u + 1;
wfirst++;
}
curline++;
return curline;
}
if (wfirst == wlast) {
render_tex_char_ts(pbuf, curline, cur_left, curw->chars, curw->u);
width = pbuf->cols - left_margin - right_margin;
cur_left = left_margin;
wfirst++;
curline++;
} else {
cfirst = cur_left;
rems = width;
for (i = wfirst; i <= wlast; i++)
rems -= ppar->words[i]->u;
while (wfirst <= wlast) {
curw = ppar->words[wfirst];
render_tex_char_ts(pbuf, curline, cfirst, curw->chars, curw->u);
cfirst += curw->u;
if (wfirst < wlast) {
ws = rems / (wlast - wfirst);
if ((rems % (wlast - wfirst))) ws++;
cfirst += ws;
rems -= ws;
}
wfirst++;
}
curline++;
width = pbuf->cols - left_margin - right_margin;
cur_left = left_margin;
}
}
}
return curline;
}