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Reuse gr_init_font for gr_remap_font

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This commit is contained in:
Kp 2016-02-06 22:12:55 +00:00
parent 5d9c64e8fc
commit 71d4c3a0e1
1 changed files with 28 additions and 80 deletions
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108
similar/2d/font.cpp
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@ -863,7 +863,7 @@ void gr_close_font(std::unique_ptr<grs_font> font)
}
//remap a font, re-reading its data & palette
static void gr_remap_font( grs_font *font, const char * fontname, uint8_t *font_data );
static void gr_remap_font(grs_font *font, const char *fontname);
//remap (by re-reading) all the color fonts
void gr_remap_color_fonts()
@ -871,7 +871,7 @@ void gr_remap_color_fonts()
range_for (auto font, open_font)
{
if (font)
gr_remap_font(font, &font->ft_filename[0], font->ft_allocdata.get());
gr_remap_font(font, &font->ft_filename[0]);
}
}
@ -893,7 +893,7 @@ static void grs_font_read(grs_font *gf, PHYSFS_File *fp)
gf->ft_kerndata = reinterpret_cast<uint8_t *>(static_cast<uintptr_t>(PHYSFSX_readInt(fp)) - GRS_FONT_SIZE);
}
grs_font_ptr gr_init_font( const char * fontname )
static std::unique_ptr<grs_font> gr_internal_init_font(const char *fontname)
{
unsigned char * ptr;
struct {
@ -930,8 +930,7 @@ grs_font_ptr gr_init_font( const char * fontname )
return {};
}
unsigned nchars;
nchars = font->ft_maxchar - font->ft_minchar + 1;
const unsigned nchars = font->ft_maxchar - font->ft_minchar + 1;
if (font->ft_flags & FT_PROPORTIONAL) {
const auto offset_widths = reinterpret_cast<uintptr_t>(font->ft_widths);
@ -1013,17 +1012,21 @@ grs_font_ptr gr_init_font( const char * fontname )
fontfile.reset();
//set curcanv vars
grd_curcanv->cv_font = font.get();
grd_curcanv->cv_font_fg_color = 0;
grd_curcanv->cv_font_bg_color = 0;
#ifdef OGL
ogl_init_font(font.get());
#endif
auto &ft_filename = font->ft_filename;
font->ft_allocdata = move(font_data);
strncpy(&ft_filename[0], fontname, ft_filename.size());
return font;
}
grs_font_ptr gr_init_font(const char *fontname)
{
auto font = gr_internal_init_font(fontname);
if (!font)
return {};
grd_curcanv->cv_font = font.get();
grd_curcanv->cv_font_fg_color = 0;
grd_curcanv->cv_font_bg_color = 0;
if (font->ft_flags & FT_COLOR)
{
auto e = end(open_font);
@ -1032,80 +1035,25 @@ grs_font_ptr gr_init_font( const char * fontname )
throw std::logic_error("too many open fonts");
*i = font.get();
}
#ifdef OGL
ogl_init_font(font.get());
#endif
return grs_font_ptr(font.release());
}
//remap a font by re-reading its data & palette
void gr_remap_font( grs_font *font, const char * fontname, uint8_t *font_data )
void gr_remap_font(grs_font *font, const char *fontname)
{
int nchars;
char file_id[4];
int datasize; //size up to (but not including) palette
unsigned char *ptr;
auto fontfile = PHYSFSX_openReadBuffered(fontname);
if (!fontfile)
Error( "Can't open font file %s", fontname );
PHYSFS_read(fontfile, file_id, 4, 1);
if ( !strncmp( file_id, "NFSP", 4 ) )
Error( "File %s is not a font file", fontname );
datasize = PHYSFSX_readInt(fontfile);
datasize -= GRS_FONT_SIZE; // subtract the size of the header.
font->ft_chars.reset();
grs_font_read(font, fontfile); // have to reread in case mission hogfile overrides font.
PHYSFS_read(fontfile, font_data, 1, datasize); //read raw data
nchars = font->ft_maxchar - font->ft_minchar + 1;
if (font->ft_flags & FT_PROPORTIONAL) {
font->ft_widths = (short *) &font_data[(size_t)font->ft_widths];
font->ft_data = (unsigned char *) &font_data[(size_t)font->ft_data];
font->ft_chars = make_unique<uint8_t *[]>(nchars);
ptr = font->ft_data;
for (int i=0; i< nchars; i++ ) {
font->ft_widths[i] = INTEL_SHORT(font->ft_widths[i]);
font->ft_chars[i] = ptr;
if (font->ft_flags & FT_COLOR)
ptr += font->ft_widths[i] * font->ft_h;
else
ptr += BITS_TO_BYTES(font->ft_widths[i]) * font->ft_h;
}
} else {
font->ft_data = (unsigned char *) font_data;
font->ft_chars.reset();
font->ft_widths = NULL;
ptr = font->ft_data + (nchars * font->ft_w * font->ft_h);
}
if (font->ft_flags & FT_KERNED)
font->ft_kerndata = (unsigned char *) &font_data[(size_t)font->ft_kerndata];
if (font->ft_flags & FT_COLOR) { //remap palette
palette_array_t palette;
array<uint8_t, 256> colormap;
array<unsigned, 256> freq;
PHYSFS_read(fontfile,&palette[0],sizeof(palette[0]),palette.size()); //read the palette
build_colormap_good( palette, colormap, freq );
colormap[TRANSPARENCY_COLOR] = TRANSPARENCY_COLOR; // changed from colormap[255] = 255 to this for macintosh
decode_data(font->ft_data, ptr - font->ft_data, colormap, freq );
}
auto n = gr_internal_init_font(fontname);
if (!n)
return;
if (!(n->ft_flags & FT_COLOR))
return;
#ifdef OGL
gr_free_bitmap_data(font->ft_parent_bitmap);
#endif
*font = std::move(*n.get());
#ifdef OGL
ogl_init_font(font);
#endif
}