int __stdcall picture(char *text, char *buffer, char *screen1, int width, int height)
{
//unsigned char *screen;
//screen=zmalloc(20*78);
//kol_board_puts(screen);
//kol_board_puts("It was text\n");
stbtt_fontinfo font;
int i,j,ascent,baseline,descent,ch=0;
float scale, xpos=0;
//baseline=10;
kol_board_puts("Font address:\n");
//kol_board_puti(buffer);
if (buffer==-1) {stbtt_InitFont(&font, pdf_font_DroidSans,stbtt_GetFontOffsetForIndex(pdf_font_DroidSans,0) );kol_board_puts("default font\n");} else {stbtt_InitFont(&font, buffer,stbtt_GetFontOffsetForIndex(buffer,0) );kol_board_puts("Font loaded..\n");}
//kol_board_puti(&screen);
scale = stbtt_ScaleForPixelHeight(&font, height*3/4);
//stbtt_GetFontVMetrics(&font, &ascent,0,0);
stbtt_GetFontVMetrics(&font, &ascent,&descent,0); //lev
//baseline = (int) (ascent*scale);
baseline = (int) ((ascent-descent)*scale); //lev
//kol_board_puts("Text render:\n");
while (dos2utf(text[ch])) {
//kol_board_puts("new symbol...\n");
int advance,lsb,x0,y0,x1,y1;
//float x_shift = xpos - (float) i_floor(xpos);
// kol_board_puts("floor called!\n");
stbtt_GetCodepointHMetrics(&font, dos2utf(text[ch]), &advance, &lsb);
stbtt_GetCodepointBitmapBoxSubpixel(&font, dos2utf(text[ch]), scale,scale,0,0, &x0,&y0,&x1,&y1);
//10= y0, 20=y1-y0 or so
stbtt_MakeCodepointBitmapSubpixel(&font, &screen1[(baseline + y0)*width+ (int)xpos + x0], x1-x0,y1-y0, width, scale,scale,0,0, dos2utf(text[ch]));
// note that this stomps the old data, so where character boxes overlap (e.g. 'lj') it's wrong
// because this API is really for baking character bitmaps into textures. if you want to do this,
// you need to render the bitmap to a temp buffer, then\n\t"alpha blend" that into the working buffer
xpos += (advance * scale);
if (text[ch+1])
xpos += scale*stbtt_GetCodepointKernAdvance(&font, dos2utf(text[ch]),dos2utf(text[ch+1]));
++ch;
}
//zmemcpy(screen1,bitmap,20*20);
//kol_board_puts("finished...\n");
return 0;
}
bool TruetypeFont::renderGlyph(char32_t c)
{
bool result = false;
GlyphPtr glyph = char2glyph[c];
if(!glyph)
{
result = true;
glyph.reset(new Glyph);
// glyph->render(face, size, c);
int advance, lsb;
stbtt_GetCodepointHMetrics(_fontinfo, c, &advance, &lsb);
int ix0, iy0, ix1, iy1;
stbtt_GetCodepointBitmapBox(_fontinfo, c, _vscale, _vscale, &ix0, &iy0, &ix1, &iy1);
int width = ix1-ix0;
int height = iy1-iy0;
unsigned char* bmpmem = (unsigned char*)malloc(width*height);
stbtt_MakeCodepointBitmapSubpixel(_fontinfo, bmpmem, width, height, width, _vscale, _vscale, .0, .0, c);
BitmapPtr result(new Bitmap(width,
height,
GL_RGBA,
GL_ALPHA,
bmpmem));
result->flip();
free(bmpmem);
glyph->bitmap = result;
glyph->advance = floorf(advance*_vscale);
glyph->xoffset = floorf(lsb*_vscale);
glyph->yoffset = -iy1;
char2glyph[c] = glyph;
glyphs.push_back(glyph);
}
return result;
}
