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AGI: support for user-supplied font-file

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agi-font-atarist.bin -> used for platform Atari ST
agi-font-amiga.bin -> used for platform Amiga
agi-font-dos.bin -> used for platform DOS
agi-font-fanmade.bin -> used for fan-made games

That way users can get a more accurate font.
This commit is contained in:
Martin Kiewitz 2016-01-29 16:43:15 +01:00
parent 0c2de08155
commit 614884ed39
2 changed files with 52 additions and 4 deletions
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55
engines/agi/font.cpp
View File

@ -996,14 +996,20 @@ void GfxFont::init() {
// We are currently using the custom font for all fanmade games
if (_vm->getFeatures() & (GF_FANMADE | GF_AGDS)) {
// fanmade game, use custom font for now
_fontData = fontData_FanGames; // our (own?) custom font, that supports umlauts etc.
loadFontScummVMFile("agi-font-fangame.bin");
if (_fontData) {
_fontData = fontData_FanGames; // our (own?) custom font, that supports umlauts etc.
}
return;
}
switch (_vm->_renderMode) {
case Common::kRenderAmiga:
loadFontAmigaPseudoTopaz();
//_fontData = fontData_Amiga; // use Amiga Topaz font
// Try user-file first, if that fails use our internal inaccurate topaz font
loadFontScummVMFile("agi-font-amiga.bin");
if (!_fontData) {
loadFontAmigaPseudoTopaz();
}
break;
case Common::kRenderApple2GS:
// Special font, stored in file AGIFONT
@ -1012,7 +1018,11 @@ void GfxFont::init() {
case Common::kRenderAtariST:
// TODO: Atari ST uses another font
// Seems to be the standard Atari ST 8x8 system font
loadFontScummVMFile("agi-font-atarist.bin");
if (!_fontData) {
// TODO: in case we find a recreation of the font, add it in here
}
break;
case Common::kRenderCGA:
case Common::kRenderEGA:
case Common::kRenderVGA:
@ -1022,6 +1032,7 @@ void GfxFont::init() {
loadFontMickey();
break;
default:
loadFontScummVMFile("agi-font-dos.bin");
break;
}
break;
@ -1051,6 +1062,42 @@ const byte *GfxFont::getFontData() {
return _fontData;
}
// This code loads a ScummVM-specific user-supplied binary font file
// It's assumed that it's a plain binary file, that contains 256 characters. 8 bytes per character.
// 8x8 pixels per character. File size 2048 bytes.
//
// Currently used for:
// Atari ST - "agi-font-atarist.bin" -> should be the Atari ST 8x8 system font
// Amiga - "agi-font-amiga.bin" -> should be the Amiga 8x8 Topaz font
// DOS - "agi-font-dos.bin"
// Fangames - "agi-font-fangame.bin"
void GfxFont::loadFontScummVMFile(Common::String fontFilename) {
Common::File fontFile;
int32 fontFileSize = 0;
if (!fontFile.open(fontFilename)) {
// Continue, if file not found
// These ScummVM font files are totally optional, so don't show a warning
return;
}
fontFileSize = fontFile.size();
if (fontFileSize != (256 * 8)) {
// unexpected file size
fontFile.close();
warning("Fontfile '%s': unexpected file size", fontFilename.c_str());
return;
}
// allocate space for font bitmap data
_fontDataAllocated = (uint8 *)calloc(256, 8);
_fontData = _fontDataAllocated;
// read font data, is already in the format that we need (plain bitmap 8x8)
fontFile.read(_fontDataAllocated, 256 * 8);
fontFile.close();
}
// We load the Mickey Mouse font from MICKEY.EXE
void GfxFont::loadFontMickey() {
Common::File interpreterFile;

1
engines/agi/font.h
View File

@ -38,6 +38,7 @@ public:
const byte *getFontData();
private:
void loadFontScummVMFile(Common::String fontFilename);
void loadFontMickey();
void loadFontAmigaPseudoTopaz();
void loadFontAppleIIgs();