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-rw-r--r--graphics/sjis.cpp306
-rw-r--r--graphics/sjis.h27
2 files changed, 187 insertions, 146 deletions
diff --git a/graphics/sjis.cpp b/graphics/sjis.cpp
index 09e1746df4..e3925f99c4 100644
--- a/graphics/sjis.cpp
+++ b/graphics/sjis.cpp
@@ -58,6 +58,43 @@ void FontSJIS::drawChar(Graphics::Surface &dst, uint16 ch, int x, int y, uint32
drawChar(dst.getBasePtr(x, y), ch, dst.pitch, dst.format.bytesPerPixel, c1, c2, dst.w - x, dst.h - y);
}
+FontSJISBase::FontSJISBase() : _drawMode(kDefaultMode), _flippedMode(false) {
+}
+
+void FontSJISBase::setDrawingMode(DrawingMode mode) {
+ _drawMode = mode;
+}
+
+void FontSJISBase::toggleFlippedMode(bool enable) {
+ _flippedMode = enable;
+}
+
+uint FontSJISBase::getFontHeight() const {
+ switch (_drawMode) {
+ case kOutlineMode:
+ return 18;
+
+ case kDefaultMode:
+ return 16;
+
+ default:
+ return 17;
+ }
+}
+
+uint FontSJISBase::getMaxFontWidth() const {
+ switch (_drawMode) {
+ case kOutlineMode:
+ return 18;
+
+ case kDefaultMode:
+ return 16;
+
+ default:
+ return 17;
+ }
+}
+
template<typename Color>
void FontSJISBase::blitCharacter(const uint8 *glyph, const int w, const int h, uint8 *dst, int pitch, Color c) const {
for (int y = 0; y < h; ++y) {
@@ -131,6 +168,9 @@ const uint8 *FontSJISBase::flipCharacter(const uint8 *glyph, const int w) const
0x0F, 0x8F, 0x4F, 0xC7, 0x2F, 0xAF, 0x6F, 0xEF, 0x1F, 0x97, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
};
+ // TODO: This code looks like it will only work with 16 pixel wide
+ // characters we should really take care that we only call it on these
+ // or we fix this to support a generic width.
for (int i = 0; i < w; i++) {
_tempGlyph[i] = flipData[glyph[(w * 2 - 1) - i]];
_tempGlyph[(w * 2 - 1) - i] = flipData[glyph[i]];
@@ -146,8 +186,8 @@ void FontSJISBase::drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1,
int outlineExtraWidth = 2, outlineExtraHeight = 2;
int outlineXOffset = 0, outlineYOffset = 0;
- if (is8x16(ch)) {
- glyphSource = getCharData8x16(ch);
+ if (isASCII(ch)) {
+ glyphSource = getCharData(ch);
width = 8;
height = 16;
} else {
@@ -177,6 +217,9 @@ void FontSJISBase::drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1,
}
#ifndef DISABLE_FLIPPED_MODE
+ // TODO: This code inside flopCharater looks like it will only work with
+ // 16 pixel wide characters we should really take care that we only call
+ // it on these or we fix it to support a generic width.
if (_flippedMode)
glyphSource = flipCharacter(glyphSource, width);
#endif
@@ -221,13 +264,13 @@ void FontSJISBase::drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1,
}
uint FontSJISBase::getCharWidth(uint16 ch) const {
- if (is8x16(ch))
+ if (isASCII(ch))
return (_drawMode == kOutlineMode) ? 10 : (_drawMode == kDefaultMode ? 8 : 9);
else
return getMaxFontWidth();
}
-bool FontSJISBase::is8x16(uint16 ch) const {
+bool FontSJISBase::isASCII(uint16 ch) const {
if (ch >= 0xFF)
return false;
else if (ch <= 0x7F || (ch >= 0xA1 && ch <= 0xDF))
@@ -253,105 +296,112 @@ bool FontTowns::loadData() {
}
const uint8 *FontTowns::getCharData(uint16 ch) const {
- uint8 f = ch & 0xFF;
- uint8 s = ch >> 8;
-
- // copied from scumm\charset.cpp
- enum {
- KANA = 0,
- KANJI = 1,
- EKANJI = 2
- };
-
- int base = s - ((s + 1) % 32);
- int c = 0, p = 0, chunk_f = 0, chunk = 0, cr = 0, kanjiType = KANA;
+ if (ch < kFont8x16Chars) {
+ return _fontData8x16 + ch * 16;
+ } else {
+ uint8 f = ch & 0xFF;
+ uint8 s = ch >> 8;
+
+ // copied from scumm\charset.cpp
+ enum {
+ KANA = 0,
+ KANJI = 1,
+ EKANJI = 2
+ };
+
+ int base = s - ((s + 1) % 32);
+ int c = 0, p = 0, chunk_f = 0, chunk = 0, cr = 0, kanjiType = KANA;
+
+ if (f >= 0x81 && f <= 0x84) kanjiType = KANA;
+ if (f >= 0x88 && f <= 0x9f) kanjiType = KANJI;
+ if (f >= 0xe0 && f <= 0xea) kanjiType = EKANJI;
+
+ if ((f > 0xe8 || (f == 0xe8 && base >= 0x9f)) || (f > 0x90 || (f == 0x90 && base >= 0x9f))) {
+ c = 48; //correction
+ p = -8; //correction
+ }
- if (f >= 0x81 && f <= 0x84) kanjiType = KANA;
- if (f >= 0x88 && f <= 0x9f) kanjiType = KANJI;
- if (f >= 0xe0 && f <= 0xea) kanjiType = EKANJI;
+ if (kanjiType == KANA) {//Kana
+ chunk_f = (f - 0x81) * 2;
+ } else if (kanjiType == KANJI) {//Standard Kanji
+ p += f - 0x88;
+ chunk_f = c + 2 * p;
+ } else if (kanjiType == EKANJI) {//Enhanced Kanji
+ p += f - 0xe0;
+ chunk_f = c + 2 * p;
+ }
- if ((f > 0xe8 || (f == 0xe8 && base >= 0x9f)) || (f > 0x90 || (f == 0x90 && base >= 0x9f))) {
- c = 48; //correction
- p = -8; //correction
- }
+ // Base corrections
+ if (base == 0x7f && s == 0x7f)
+ base -= 0x20;
+ if (base == 0x9f && s == 0xbe)
+ base += 0x20;
+ if (base == 0xbf && s == 0xde)
+ base += 0x20;
+ //if (base == 0x7f && s == 0x9e)
+ // base += 0x20;
+
+ switch (base) {
+ case 0x3f:
+ cr = 0; //3f
+ if (kanjiType == KANA) chunk = 1;
+ else if (kanjiType == KANJI) chunk = 31;
+ else if (kanjiType == EKANJI) chunk = 111;
+ break;
+ case 0x5f:
+ cr = 0; //5f
+ if (kanjiType == KANA) chunk = 17;
+ else if (kanjiType == KANJI) chunk = 47;
+ else if (kanjiType == EKANJI) chunk = 127;
+ break;
+ case 0x7f:
+ cr = -1; //80
+ if (kanjiType == KANA) chunk = 9;
+ else if (kanjiType == KANJI) chunk = 63;
+ else if (kanjiType == EKANJI) chunk = 143;
+ break;
+ case 0x9f:
+ cr = 1; //9e
+ if (kanjiType == KANA) chunk = 2;
+ else if (kanjiType == KANJI) chunk = 32;
+ else if (kanjiType == EKANJI) chunk = 112;
+ break;
+ case 0xbf:
+ cr = 1; //be
+ if (kanjiType == KANA) chunk = 18;
+ else if (kanjiType == KANJI) chunk = 48;
+ else if (kanjiType == EKANJI) chunk = 128;
+ break;
+ case 0xdf:
+ cr = 1; //de
+ if (kanjiType == KANA) chunk = 10;
+ else if (kanjiType == KANJI) chunk = 64;
+ else if (kanjiType == EKANJI) chunk = 144;
+ break;
+ default:
+ debug(4, "Invalid Char! f %x s %x base %x c %d p %d", f, s, base, c, p);
+ }
- if (kanjiType == KANA) {//Kana
- chunk_f = (f - 0x81) * 2;
- } else if (kanjiType == KANJI) {//Standard Kanji
- p += f - 0x88;
- chunk_f = c + 2 * p;
- } else if (kanjiType == EKANJI) {//Enhanced Kanji
- p += f - 0xe0;
- chunk_f = c + 2 * p;
+ 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);
+ const int chunkNum = (((chunk_f + chunk) * 32 + (s - base)) + cr);
+ if (chunkNum < 0 || chunkNum >= kFont16x16Chars)
+ return 0;
+ else
+ return _fontData16x16 + chunkNum * 32;
}
+}
- // Base corrections
- if (base == 0x7f && s == 0x7f)
- base -= 0x20;
- if (base == 0x9f && s == 0xbe)
- base += 0x20;
- if (base == 0xbf && s == 0xde)
- base += 0x20;
- //if (base == 0x7f && s == 0x9e)
- // base += 0x20;
-
- switch (base) {
- case 0x3f:
- cr = 0; //3f
- if (kanjiType == KANA) chunk = 1;
- else if (kanjiType == KANJI) chunk = 31;
- else if (kanjiType == EKANJI) chunk = 111;
- break;
- case 0x5f:
- cr = 0; //5f
- if (kanjiType == KANA) chunk = 17;
- else if (kanjiType == KANJI) chunk = 47;
- else if (kanjiType == EKANJI) chunk = 127;
- break;
- case 0x7f:
- cr = -1; //80
- if (kanjiType == KANA) chunk = 9;
- else if (kanjiType == KANJI) chunk = 63;
- else if (kanjiType == EKANJI) chunk = 143;
- break;
- case 0x9f:
- cr = 1; //9e
- if (kanjiType == KANA) chunk = 2;
- else if (kanjiType == KANJI) chunk = 32;
- else if (kanjiType == EKANJI) chunk = 112;
- break;
- case 0xbf:
- cr = 1; //be
- if (kanjiType == KANA) chunk = 18;
- else if (kanjiType == KANJI) chunk = 48;
- else if (kanjiType == EKANJI) chunk = 128;
- break;
- case 0xdf:
- cr = 1; //de
- if (kanjiType == KANA) chunk = 10;
- else if (kanjiType == KANJI) chunk = 64;
- else if (kanjiType == EKANJI) chunk = 144;
- break;
- default:
- debug(4, "Invalid Char! f %x s %x base %x c %d p %d", f, s, base, c, p);
- }
+// ScummVM SJIS font
- 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);
- const int chunkNum = (((chunk_f + chunk) * 32 + (s - base)) + cr);
- if (chunkNum < 0 || chunkNum >= kFont16x16Chars)
- return 0;
- else
- return _fontData16x16 + chunkNum * 32;
+FontSjisSVM::FontSjisSVM()
+ : _fontData16x16(0), _fontData16x16Size(0), _fontData8x16(0), _fontData8x16Size(0) {
}
-const uint8 *FontTowns::getCharData8x16(uint16 c) const {
- if (c >= kFont8x16Chars)
- return 0;
- return _fontData8x16 + c * 16;
+FontSjisSVM::~FontSjisSVM() {
+ delete[] _fontData16x16;
+ delete[] _fontData8x16;
}
-// ScummVM SJIS font
-
bool FontSjisSVM::loadData() {
Common::SeekableReadStream *data = SearchMan.createReadStreamForMember("SJIS.FNT");
if (!data)
@@ -393,46 +443,40 @@ const uint8 *FontSjisSVM::getCharData(uint16 c) const {
const uint8 fB = c & 0xFF;
const uint8 sB = c >> 8;
- // We only allow 2 byte SJIS characters.
- if (fB <= 0x80 || fB >= 0xF0 || (fB >= 0xA0 && fB <= 0xDF) || sB == 0x7F)
- return 0;
-
- int base = fB;
- base -= 0x81;
- if (base >= 0x5F)
- base -= 0x40;
-
- int index = sB;
- index -= 0x40;
- if (index >= 0x3F)
- --index;
-
- // Another check if the passed character was an
- // correctly encoded SJIS character.
- if (index < 0 || index >= 0xBC || base < 0)
- return 0;
-
- const uint offset = (base * 0xBC + index) * 32;
- assert(offset + 16 <= _fontData16x16Size);
- return _fontData16x16 + offset;
-}
-
-const uint8 *FontSjisSVM::getCharData8x16(uint16 c) const {
- const uint8 fB = c & 0xFF;
- const uint8 sB = c >> 8;
-
- if (!is8x16(c) || sB)
- return 0;
-
- int index = fB;
+ if (isASCII(c)) {
+ int index = fB;
- // half-width katakana
- if (fB >= 0xA1 && fB <= 0xDF)
- index -= 0x21;
+ // half-width katakana
+ if (fB >= 0xA1 && fB <= 0xDF)
+ index -= 0x21;
- const uint offset = index * 16;
- assert(offset <= _fontData8x16Size);
- return _fontData8x16 + offset;
+ const uint offset = index * 16;
+ assert(offset <= _fontData8x16Size);
+ return _fontData8x16 + offset;
+ } else {
+ // We only allow 2 byte SJIS characters.
+ if (fB <= 0x80 || fB >= 0xF0 || (fB >= 0xA0 && fB <= 0xDF) || sB == 0x7F)
+ return 0;
+
+ int base = fB;
+ base -= 0x81;
+ if (base >= 0x5F)
+ base -= 0x40;
+
+ int index = sB;
+ index -= 0x40;
+ if (index >= 0x3F)
+ --index;
+
+ // Another check if the passed character was an
+ // correctly encoded SJIS character.
+ if (index < 0 || index >= 0xBC || base < 0)
+ return 0;
+
+ const uint offset = (base * 0xBC + index) * 32;
+ assert(offset + 16 <= _fontData16x16Size);
+ return _fontData16x16 + offset;
+ }
}
} // End of namespace Graphics
diff --git a/graphics/sjis.h b/graphics/sjis.h
index 0c3b057cc4..d455a96e64 100644
--- a/graphics/sjis.h
+++ b/graphics/sjis.h
@@ -134,19 +134,19 @@ public:
*/
class FontSJISBase : public FontSJIS {
public:
- FontSJISBase() : _drawMode(kDefaultMode), _flippedMode(false) {}
+ FontSJISBase();
- void setDrawingMode(DrawingMode mode) { _drawMode = mode; }
+ virtual void setDrawingMode(DrawingMode mode);
- void toggleFlippedMode(bool enable) { _flippedMode = enable; }
+ virtual void toggleFlippedMode(bool enable);
- uint getFontHeight() const { return (_drawMode == kOutlineMode) ? 18 : (_drawMode == kDefaultMode ? 16 : 17); }
+ virtual uint getFontHeight() const;
- uint getMaxFontWidth() const { return (_drawMode == kOutlineMode) ? 18 : (_drawMode == kDefaultMode ? 16 : 17); }
+ virtual uint getMaxFontWidth() const;
- uint getCharWidth(uint16 ch) const;
+ virtual uint getCharWidth(uint16 ch) const;
- void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2, int maxW = -1, int maxH = -1) const;
+ virtual void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2, int maxW = -1, int maxH = -1) const;
private:
template<typename Color>
void blitCharacter(const uint8 *glyph, const int w, const int h, uint8 *dst, int pitch, Color c) const;
@@ -162,10 +162,9 @@ protected:
DrawingMode _drawMode;
bool _flippedMode;
- bool is8x16(uint16 ch) const;
+ bool isASCII(uint16 ch) const;
virtual const uint8 *getCharData(uint16 c) const = 0;
- virtual const uint8 *getCharData8x16(uint16 c) const = 0;
};
/**
@@ -188,8 +187,7 @@ private:
uint8 _fontData16x16[kFont16x16Chars * 32];
uint8 _fontData8x16[kFont8x16Chars * 32];
- const uint8 *getCharData(uint16 c) const;
- const uint8 *getCharData8x16(uint16 c) const;
+ virtual const uint8 *getCharData(uint16 c) const;
};
/**
@@ -197,8 +195,8 @@ private:
*/
class FontSjisSVM : public FontSJISBase {
public:
- FontSjisSVM() : _fontData16x16(0), _fontData16x16Size(0), _fontData8x16(0), _fontData8x16Size(0) {}
- ~FontSjisSVM() { delete[] _fontData16x16; delete[] _fontData8x16; }
+ FontSjisSVM();
+ ~FontSjisSVM();
/**
* Load the font data from "SJIS.FNT".
@@ -211,8 +209,7 @@ private:
uint8 *_fontData8x16;
uint _fontData8x16Size;
- const uint8 *getCharData(uint16 c) const;
- const uint8 *getCharData8x16(uint16 c) const;
+ virtual const uint8 *getCharData(uint16 c) const;
};
// TODO: Consider adding support for PC98 ROM