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authorJohannes Schickel2009-10-11 12:00:56 +0000
committerJohannes Schickel2009-10-11 12:00:56 +0000
commit67c6e92efba2ffcde33a3e9b8e9ebaf7389e05ae (patch)
tree25d54996ae341893dd308f31c086bb512fd36cb5
parent65865de4731b733b85e19b4e4d79f883e11400db (diff)
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Add support for 8x16 chars in the FM-Towns font ROM code.
svn-id: r44910
-rw-r--r--graphics/sjis.cpp237
-rw-r--r--graphics/sjis.h45
2 files changed, 145 insertions, 137 deletions
diff --git a/graphics/sjis.cpp b/graphics/sjis.cpp
index 8db3a6ede4..950546b0d5 100644
--- a/graphics/sjis.cpp
+++ b/graphics/sjis.cpp
@@ -53,7 +53,7 @@ FontSJIS *FontSJIS::createFont(const Common::Platform platform) {
}
template<typename Color>
-void FontSJIS16x16::drawCharInternOutline(const uint16 *glyph, uint8 *dst, int pitch, Color c1, Color c2) const {
+void FontSJISBase::drawCharInternOutline(const uint16 *glyph, uint8 *dst, int pitch, Color c1, Color c2) const {
uint32 outlineGlyph[18];
memset(outlineGlyph, 0, sizeof(outlineGlyph));
@@ -88,7 +88,7 @@ void FontSJIS16x16::drawCharInternOutline(const uint16 *glyph, uint8 *dst, int p
}
template<typename Color>
-void FontSJIS16x16::drawCharIntern(const uint16 *glyph, uint8 *dst, int pitch, Color c1) const {
+void FontSJISBase::drawCharIntern(const uint16 *glyph, uint8 *dst, int pitch, Color c1) const {
for (int y = 0; y < 16; ++y) {
Color *lineBuf = (Color *)dst;
uint16 line = *glyph++;
@@ -104,28 +104,118 @@ void FontSJIS16x16::drawCharIntern(const uint16 *glyph, uint8 *dst, int pitch, C
}
}
-void FontSJIS16x16::drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2) const {
- const uint16 *glyphSource = getCharData(ch);
- if (!glyphSource) {
- warning("FontSJIS16x16::drawChar: Font does not offer data for %02X %02X", ch & 0xFF, ch >> 8);
- return;
+template<typename Color>
+void FontSJISBase::drawCharInternOutline(const uint8 *glyph, uint8 *dst, int pitch, Color c1, Color c2) const {
+ uint16 outlineGlyph[18];
+ memset(outlineGlyph, 0, sizeof(outlineGlyph));
+
+ // Create an outline map including the original character
+ const uint8 *src = glyph;
+ for (int i = 0; i < 16; ++i) {
+ uint16 line = *src++;
+ line = (line << 2) | (line << 1) | (line << 0);
+
+ outlineGlyph[i + 0] |= line;
+ outlineGlyph[i + 1] |= line;
+ outlineGlyph[i + 2] |= line;
+ }
+
+ uint8 *dstLine = dst;
+ for (int y = 0; y < 18; ++y) {
+ Color *lineBuf = (Color *)dstLine;
+ uint16 line = outlineGlyph[y];
+
+ for (int x = 0; x < 10; ++x) {
+ if (line & 0x200)
+ *lineBuf = c2;
+ line <<= 1;
+ ++lineBuf;
+ }
+
+ dstLine += pitch;
}
- if (bpp == 1) {
- if (!_outlineEnabled)
- drawCharIntern<uint8>(glyphSource, (uint8 *)dst, pitch, c1);
- else
- drawCharInternOutline<uint8>(glyphSource, (uint8 *)dst, pitch, c1, c2);
- } else if (bpp == 2) {
- if (!_outlineEnabled)
- drawCharIntern<uint16>(glyphSource, (uint8 *)dst, pitch, c1);
- else
- drawCharInternOutline<uint16>(glyphSource, (uint8 *)dst, pitch, c1, c2);
+ // draw the original char
+ drawCharIntern<Color>(glyph, dst + pitch + 1, pitch, c1);
+}
+
+template<typename Color>
+void FontSJISBase::drawCharIntern(const uint8 *glyph, uint8 *dst, int pitch, Color c1) const {
+ for (int y = 0; y < 16; ++y) {
+ Color *lineBuf = (Color *)dst;
+ uint8 line = *glyph++;
+
+ for (int x = 0; x < 8; ++x) {
+ if (line & 0x80)
+ *lineBuf = c1;
+ line <<= 1;
+ ++lineBuf;
+ }
+
+ dst += pitch;
+ }
+}
+
+void FontSJISBase::drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2) const {
+ if (is8x16(ch)) {
+ const uint8 *glyphSource = getCharData8x16(ch);
+ if (!glyphSource) {
+ warning("FontSJISBase::drawChar: Font does not offer data for %02X %02X", ch & 0xFF, ch >> 8);
+ return;
+ }
+
+ if (bpp == 1) {
+ if (!_outlineEnabled)
+ drawCharIntern<uint8>(glyphSource, (uint8 *)dst, pitch, c1);
+ else
+ drawCharInternOutline<uint8>(glyphSource, (uint8 *)dst, pitch, c1, c2);
+ } else if (bpp == 2) {
+ if (!_outlineEnabled)
+ drawCharIntern<uint16>(glyphSource, (uint8 *)dst, pitch, c1);
+ else
+ drawCharInternOutline<uint16>(glyphSource, (uint8 *)dst, pitch, c1, c2);
+ } else {
+ error("FontSJISBase::drawChar: unsupported bpp: %d", bpp);
+ }
} else {
- error("FontSJIS16x16::drawChar: unsupported bpp: %d", bpp);
+ const uint16 *glyphSource = getCharData(ch);
+ if (!glyphSource) {
+ warning("FontSJISBase::drawChar: Font does not offer data for %02X %02X", ch & 0xFF, ch >> 8);
+ return;
+ }
+
+ if (bpp == 1) {
+ if (!_outlineEnabled)
+ drawCharIntern<uint8>(glyphSource, (uint8 *)dst, pitch, c1);
+ else
+ drawCharInternOutline<uint8>(glyphSource, (uint8 *)dst, pitch, c1, c2);
+ } else if (bpp == 2) {
+ if (!_outlineEnabled)
+ drawCharIntern<uint16>(glyphSource, (uint8 *)dst, pitch, c1);
+ else
+ drawCharInternOutline<uint16>(glyphSource, (uint8 *)dst, pitch, c1, c2);
+ } else {
+ error("FontSJISBase::drawChar: unsupported bpp: %d", bpp);
+ }
}
}
+uint FontSJISBase::getCharWidth(uint16 ch) const {
+ if (is8x16(ch))
+ return _outlineEnabled ? 10 : 8;
+ else
+ return getMaxFontWidth();
+}
+
+bool FontSJISBase::is8x16(uint16 ch) const {
+ if (ch >= 0xFF)
+ return false;
+ else if (ch <= 0x7F || (ch >= 0xA1 && ch <= 0xDF))
+ return true;
+ else
+ return false;
+}
+
// FM-TOWNS ROM font
bool FontTowns::loadData() {
@@ -133,8 +223,11 @@ bool FontTowns::loadData() {
if (!data)
return false;
- for (uint i = 0; i < (kFontRomSize / 2); ++i)
- _fontData[i] = data->readUint16BE();
+ for (uint i = 0; i < kFont16x16Chars * 16; ++i)
+ _fontData16x16[i] = data->readUint16BE();
+
+ data->seek(251904, SEEK_SET);
+ data->read(_fontData8x16, kFont8x16Chars * 16);
bool retValue = !data->err();
delete data;
@@ -226,7 +319,17 @@ const uint16 *FontTowns::getCharData(uint16 ch) const {
}
debug(6, "Kanji: %c%c f 0x%x s 0x%x base 0x%x c %d p %d chunk %d cr %d index %d", f, s, f, s, base, c, p, chunk, cr, ((chunk_f + chunk) * 32 + (s - base)) + cr);
- return _fontData + (((chunk_f + chunk) * 32 + (s - base)) + cr) * 16;
+ const int chunkNum = (((chunk_f + chunk) * 32 + (s - base)) + cr);
+ if (chunkNum < 0 || chunkNum >= kFont16x16Chars)
+ return 0;
+ else
+ return _fontData16x16 + chunkNum * 16;
+}
+
+const uint8 *FontTowns::getCharData8x16(uint16 c) const {
+ if (c >= kFont8x16Chars)
+ return 0;
+ return _fontData8x16 + c * 16;
}
// ScummVM SJIS font
@@ -270,98 +373,6 @@ bool FontSjisSVM::loadData() {
return retValue;
}
-void FontSjisSVM::drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2) const {
- if (!is8x16(ch))
- return FontSJIS16x16::drawChar(dst, ch, pitch, bpp, c1, c2);
-
- const uint8 *glyphSource = getCharData8x16(ch);
- if (!glyphSource)
- return;
-
- if (bpp == 1) {
- if (!_outlineEnabled)
- drawCharIntern<uint8>(glyphSource, (uint8 *)dst, pitch, c1);
- else
- drawCharInternOutline<uint8>(glyphSource, (uint8 *)dst, pitch, c1, c2);
- } else if (bpp == 2) {
- if (!_outlineEnabled)
- drawCharIntern<uint16>(glyphSource, (uint8 *)dst, pitch, c1);
- else
- drawCharInternOutline<uint16>(glyphSource, (uint8 *)dst, pitch, c1, c2);
- } else {
- error("FontSjisSVM::drawChar: unsupported bpp: %d", bpp);
- }
-}
-
-// TODO: Consider merging these with FontSjis16x16
-template<typename Color>
-void FontSjisSVM::drawCharInternOutline(const uint8 *glyph, uint8 *dst, int pitch, Color c1, Color c2) const {
- uint16 outlineGlyph[18];
- memset(outlineGlyph, 0, sizeof(outlineGlyph));
-
- // Create an outline map including the original character
- const uint8 *src = glyph;
- for (int i = 0; i < 16; ++i) {
- uint16 line = *src++;
- line = (line << 2) | (line << 1) | (line << 0);
-
- outlineGlyph[i + 0] |= line;
- outlineGlyph[i + 1] |= line;
- outlineGlyph[i + 2] |= line;
- }
-
- uint8 *dstLine = dst;
- for (int y = 0; y < 18; ++y) {
- Color *lineBuf = (Color *)dstLine;
- uint16 line = outlineGlyph[y];
-
- for (int x = 0; x < 10; ++x) {
- if (line & 0x200)
- *lineBuf = c2;
- line <<= 1;
- ++lineBuf;
- }
-
- dstLine += pitch;
- }
-
- // draw the original char
- drawCharIntern<Color>(glyph, dst + pitch + 1, pitch, c1);
-}
-
-template<typename Color>
-void FontSjisSVM::drawCharIntern(const uint8 *glyph, uint8 *dst, int pitch, Color c1) const {
- for (int y = 0; y < 16; ++y) {
- Color *lineBuf = (Color *)dst;
- uint8 line = *glyph++;
-
- for (int x = 0; x < 8; ++x) {
- if (line & 0x80)
- *lineBuf = c1;
- line <<= 1;
- ++lineBuf;
- }
-
- dst += pitch;
- }
-}
-
-uint FontSjisSVM::getCharWidth(uint16 ch) const {
- if (is8x16(ch))
- return _outlineEnabled ? 10 : 8;
- else
- return FontSJIS16x16::getMaxFontWidth();
-}
-
-bool FontSjisSVM::is8x16(uint16 ch) const {
- if (ch >= 0xFF)
- return false;
- else if (ch <= 0x7F || (ch >= 0xA1 && ch <= 0xDF))
- return true;
- else
- return false;
-}
-
const uint16 *FontSjisSVM::getCharData(uint16 c) const {
const uint8 fB = c & 0xFF;
const uint8 sB = c >> 8;
diff --git a/graphics/sjis.h b/graphics/sjis.h
index 14a5187914..d53cb46818 100644
--- a/graphics/sjis.h
+++ b/graphics/sjis.h
@@ -91,7 +91,7 @@ public:
/**
* Returns the width of a specific character.
*/
- virtual uint getCharWidth(uint16 ch) const { return getMaxFontWidth(); }
+ virtual uint getCharWidth(uint16 ch) const = 0;
/**
* Draws a SJIS encoded character on the given surface.
@@ -118,19 +118,20 @@ public:
};
/**
- * A base class to render 16x16 monochrome SJIS fonts.
+ * A base class to render 16x16 (2 byte chars), 8x16 (1 byte chars) monochrome SJIS fonts.
*/
-class FontSJIS16x16 : public FontSJIS {
+class FontSJISBase : public FontSJIS {
public:
- FontSJIS16x16() : _outlineEnabled(false) {}
+ FontSJISBase() : _outlineEnabled(false) {}
void enableOutline(bool enable) { _outlineEnabled = enable; }
uint getFontHeight() const { return _outlineEnabled ? 18 : 16; }
uint getMaxFontWidth() const { return _outlineEnabled ? 18 : 16; }
- virtual void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2) const;
+ uint getCharWidth(uint16 ch) const;
+ void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2) const;
private:
template<typename Color>
void drawCharInternOutline(const uint16 *glyph, uint8 *dst, int pitch, Color c1, Color c2) const;
@@ -138,40 +139,48 @@ private:
template<typename Color>
void drawCharIntern(const uint16 *glyph, uint8 *dst, int pitch, Color c1) const;
+ template<typename Color>
+ void drawCharInternOutline(const uint8 *glyph, uint8 *dst, int pitch, Color c1, Color c2) const;
+
+ template<typename Color>
+ void drawCharIntern(const uint8 *glyph, uint8 *dst, int pitch, Color c1) const;
protected:
bool _outlineEnabled;
+ bool is8x16(uint16 ch) const;
+
virtual const uint16 *getCharData(uint16 c) const = 0;
+ virtual const uint8 *getCharData8x16(uint16 c) const = 0;
};
/**
* FM-TOWNS ROM based SJIS compatible font.
*
* This is used in KYRA and SCI.
- *
- * TODO: This implementation does not support any 8x16 ASCII or half-width katakana chars.
*/
-class FontTowns : public FontSJIS16x16 {
+class FontTowns : public FontSJISBase {
public:
/**
* Loads the ROM data from "FMT_FNT.ROM".
*/
bool loadData();
-
private:
enum {
- kFontRomSize = 262144
+ kFont16x16Chars = 7808,
+ kFont8x16Chars = 256
};
- uint16 _fontData[kFontRomSize / 2];
+ uint16 _fontData16x16[kFont16x16Chars * 16];
+ uint8 _fontData8x16[kFont8x16Chars * 16];
const uint16 *getCharData(uint16 c) const;
+ const uint8 *getCharData8x16(uint16 c) const;
};
/**
* Our custom SJIS FNT.
*/
-class FontSjisSVM : public FontSJIS16x16 {
+class FontSjisSVM : public FontSJISBase {
public:
FontSjisSVM() : _fontData16x16(0), _fontData16x16Size(0), _fontData8x16(0), _fontData8x16Size(0) {}
~FontSjisSVM() { delete[] _fontData16x16; delete[] _fontData8x16; }
@@ -180,10 +189,6 @@ public:
* Load the font data from "SJIS.FNT".
*/
bool loadData();
-
- void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2) const;
-
- uint getCharWidth(uint16 ch) const;
private:
uint16 *_fontData16x16;
uint _fontData16x16Size;
@@ -191,16 +196,8 @@ private:
uint8 *_fontData8x16;
uint _fontData8x16Size;
- bool is8x16(uint16 ch) const;
-
const uint16 *getCharData(uint16 c) const;
const uint8 *getCharData8x16(uint16 c) const;
-
- template<typename Color>
- void drawCharInternOutline(const uint8 *glyph, uint8 *dst, int pitch, Color c1, Color c2) const;
-
- template<typename Color>
- void drawCharIntern(const uint8 *glyph, uint8 *dst, int pitch, Color c1) const;
};
// TODO: Consider adding support for PC98 ROM