/*
 * DMLib
 * -- Bitmap and TTF text & font support
 * Programmed and designed by Matti 'ccr' Hamalainen
 * (C) Copyright 2012 Tecnic Software productions (TNSP)
 */
#include "dmtext.h"


void dmDrawBMTextConst(SDL_Surface *screen, DMBitmapFont *font, int mode, int xc, int yc, const char *fmt)
{
    const char *ptr = fmt;
    DMScaledBlitFunc blit = dmGetScaledBlitFunc(screen->format, font->glyphs[0]->format, mode);
    while (*ptr)
    {
        char ch = *ptr++;

        if (isprint(ch) && ch != ' ' && ch != '\t')
        {
            SDL_Surface *glyph = font->glyphs[(unsigned char) ch];
            blit(glyph, xc, yc, glyph->w, glyph->h, screen);
            xc += glyph->w;
        }
        else
            xc += font->width;
    }
}


void dmDrawBMTextVA(SDL_Surface *screen, DMBitmapFont *font, int mode, int xc, int yc, const char *fmt, va_list ap)
{
    char *tmp = dm_strdup_vprintf(fmt, ap);
    if (tmp != NULL)
    {
        dmDrawBMTextConst(screen, font, mode, xc, yc, tmp);
        dmFree(tmp);
    }
}


void dmDrawBMText(SDL_Surface *screen, DMBitmapFont *font, int mode, int xc, int yc, const char *fmt, ...)
{
    va_list ap;
    
    va_start(ap, fmt);
    dmDrawBMTextVA(screen, font, mode, xc, yc, fmt, ap);
    va_end(ap);
}