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Add primitif UTF-8 support

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This commit is contained in:
Mathieu Schroeter 2017-02-15 18:33:49 +01:00
parent 778527f73b
commit b78bebcf00
2 changed files with 31 additions and 20 deletions
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49
src/text.cpp
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@ -9,30 +9,35 @@
// Retourne l'offset pour un caractère donné. // Retourne l'offset pour un caractère donné.
Sint32 GetOffset (char c) static Sint32 GetOffset (const char *&c)
{ {
Sint32 i; static const unsigned char table_accents[15] =
static unsigned char table_accents[15] =
{ {
0xFC, 0xE0, 0xE2, 0xE9, 0xE8, 0xEB, 0xEA, 0xEF, /* ü à â é è ë ê ï */
0xEE, 0xF4, 0xF9, 0xFB, 0xE4, 0xF6, 0xE7 /* 0xFC, 0xE0, 0xE2, 0xE9, 0xE8, 0xEB, 0xEA, 0xEF, // CP1252 */
0xBC, 0xA0, 0xA2, 0xA9, 0xA8, 0xAB, 0xAA, 0xAF, // UTF-8
/* î ô ù û ä ö ç */
/* 0xEE, 0xF4, 0xF9, 0xFB, 0xE4, 0xF6, 0xE7, // CP1252 */
0xAE, 0xB4, 0xB9, 0xBB, 0xA4, 0xB6, 0xA7, // UTF-8
}; };
for (i = 0 ; i < 15 ; i++) if (static_cast<unsigned char> (*c) == 0xC3)
c++;
for (unsigned int i = 0; i < countof (table_accents); ++i)
{ {
if ((unsigned char)c == table_accents[i]) if ((unsigned char) *c == table_accents[i])
return 15 + i; return 15 + i;
} }
if (c < 0 || c > 128) if (*c < 0 || *c > 128)
return 1; // carré return 1; // carré
return c; return *c;
} }
// Retourne la longueur d'un caractère. // Retourne la longueur d'un caractère.
Sint32 GetCharWidth (char c, Sint32 font) Sint32 GetCharWidth (const char *&c, Sint32 font)
{ {
static unsigned char table_width[128] = static unsigned char table_width[128] =
{ {
@ -74,28 +79,30 @@ void DrawText (CPixmap *pPixmap, POINT pos, const char *pText, Sint32 font)
{ {
while (*pText != 0) while (*pText != 0)
{ {
rank = GetOffset (*pText); rank = GetOffset (pText);
pPixmap->DrawIcon (-1, CHLITTLE, rank, pos); pPixmap->DrawIcon (-1, CHLITTLE, rank, pos);
pos.x += GetCharWidth (*pText++, font); pos.x += GetCharWidth (pText, font);
pText++;
} }
} }
else else
{ {
while (*pText != 0) while (*pText != 0)
{ {
rank = GetOffset (*pText); rank = GetOffset (pText);
rank += 128 * font; rank += 128 * font;
pPixmap->DrawIcon (-1, CHTEXT, rank, pos); pPixmap->DrawIcon (-1, CHTEXT, rank, pos);
pos.x += GetCharWidth (*pText++, font); pos.x += GetCharWidth (pText, font);
pText++;
} }
} }
} }
// Affiche un texte penché. // Affiche un texte penché.
void DrawTextPente (CPixmap *pPixmap, POINT pos, char *pText, void DrawTextPente (CPixmap *pPixmap, POINT pos, const char *pText,
Sint32 pente, Sint32 font) Sint32 pente, Sint32 font)
{ {
Sint32 rank, lg, rel, start; Sint32 rank, lg, rel, start;
@ -104,11 +111,12 @@ void DrawTextPente (CPixmap *pPixmap, POINT pos, char *pText,
rel = 0; rel = 0;
while (*pText != 0) while (*pText != 0)
{ {
rank = GetOffset (*pText); rank = GetOffset (pText);
rank += 128 * font; rank += 128 * font;
pPixmap->DrawIcon (-1, CHTEXT, rank, pos); pPixmap->DrawIcon (-1, CHTEXT, rank, pos);
lg = GetCharWidth (*pText++, font); lg = GetCharWidth (pText, font);
pText++;
rel += lg; rel += lg;
pos.x += lg; pos.x += lg;
pos.y = start + rel / pente; pos.y = start + rel / pente;
@ -273,7 +281,10 @@ Sint32 GetTextWidth (const char *pText, Sint32 font)
Sint32 width = 0; Sint32 width = 0;
while (*pText != 0) while (*pText != 0)
width += GetCharWidth (*pText++, font); {
width += GetCharWidth (pText, font);
pText++;
}
return width; return width;
} }

2
src/text.h
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@ -7,7 +7,7 @@
#define FONTLITTLE 10 #define FONTLITTLE 10
void DrawText (CPixmap *pPixmap, POINT pos, const char *pText, Sint32 font = 0); void DrawText (CPixmap *pPixmap, POINT pos, const char *pText, Sint32 font = 0);
void DrawTextPente (CPixmap *pPixmap, POINT pos, char *pText, void DrawTextPente (CPixmap *pPixmap, POINT pos, const char *pText,
Sint32 pente, Sint32 font = 0); Sint32 pente, Sint32 font = 0);
void DrawTextRect (CPixmap *pPixmap, POINT pos, char *pText, void DrawTextRect (CPixmap *pPixmap, POINT pos, char *pText,
Sint32 pente, Sint32 font = 0, Sint32 part = -1); Sint32 pente, Sint32 font = 0, Sint32 part = -1);