/**
* @brief Prints a block of text that fits in the dimensions given.
*
* Positions are based on origin being top-left.
*
* @param ft_font Font to use.
* @param width Maximum width to print to.
* @param height Maximum height to print to.
* @param bx X position to display text at.
* @param by Y position to display text at.
* @param c Colour to use (NULL defaults to white).
* @param fmt Text to display formatted like printf.
* @return 0 on success.
* prints text with line breaks included to a maximum width and height preset
*/
int gl_printTextRaw( const glFont *ft_font,
const int width, const int height,
double bx, double by,
const glColour* c, const char *text )
{
int p, s;
double x,y;
size_t i, ret;
uint32_t ch;
if (ft_font == NULL)
ft_font = &gl_defFont;
glFontStash *stsh = gl_fontGetStash( ft_font );
x = bx;
y = by + height - (double)stsh->h; /* y is top left corner */
/* Clears restoration. */
gl_printRestoreClear();
i = 0;
s = 0;
p = 0; /* where we last drew up to */
while (y - by > -1e-5) {
ret = p + gl_printWidthForText( ft_font, &text[p], width );
/* Must restore stuff. */
gl_printRestoreLast();
/* Render it. */
gl_fontRenderStart(stsh, x, y, c);
for (i=p; i<ret; ) {
ch = u8_nextchar( text, &i);
s = gl_fontRenderGlyph( stsh, ch, c, s );
}
gl_fontRenderEnd();
if (ch == '\0')
break;
p = i;
if ((text[p] == '\n') || (text[p] == ' '))
p++; /* Skip "empty char". */
y -= 1.5*(double)stsh->h; /* move position down */
}
return 0;
}
/**
* @brief Renders the overlays.
*/
void omsg_render( double dt )
{
int i, j;
double x, y;
omsg_t *omsg;
glFont *font;
glColour col;
/* Case nothing to do. */
if (omsg_array == NULL)
return;
/* Center. */
x = omsg_center_x - omsg_center_w/2.;
y = omsg_center_y;
/* Render. */
for (i=0; i<array_size(omsg_array); i++) {
omsg = &omsg_array[i];
/* Check if time to erase. */
omsg->duration -= dt;
if (omsg->duration < 0.) {
omsg_free( omsg );
array_erase( &omsg_array, &omsg[0], &omsg[1] );
i--;
continue;
}
/* Must have a message. */
if (omsg->msg == NULL)
continue;
/* Render. */
font = omsg_getFont( omsg->font );
memcpy( &col, omsg->col, sizeof(glColour) );
if (omsg->duration < 1.)
col.a = omsg->duration;
for (j=0; j<omsg->nlines; j++) {
y -= font->h * 1.5;
if (j>0)
gl_printRestoreLast();
gl_printMidRaw( font, omsg_center_w, x, y, &col, omsg->msg[j] );
}
}
}