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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.
Sint32 GetOffset (char c)
static Sint32 GetOffset (const char *&c)
{
Sint32 i;
static unsigned char table_accents[15] =
static const unsigned char table_accents[15] =
{
0xFC, 0xE0, 0xE2, 0xE9, 0xE8, 0xEB, 0xEA, 0xEF,
0xEE, 0xF4, 0xF9, 0xFB, 0xE4, 0xF6, 0xE7
/* ü à â é è ë ê ï */
/* 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;
}
if (c < 0 || c > 128)
if (*c < 0 || *c > 128)
return 1; // carré
return c;
return *c;
}
// 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] =
{
@ -74,28 +79,30 @@ void DrawText (CPixmap *pPixmap, POINT pos, const char *pText, Sint32 font)
{
while (*pText != 0)
{
rank = GetOffset (*pText);
rank = GetOffset (pText);
pPixmap->DrawIcon (-1, CHLITTLE, rank, pos);
pos.x += GetCharWidth (*pText++, font);
pos.x += GetCharWidth (pText, font);
pText++;
}
}
else
{
while (*pText != 0)
{
rank = GetOffset (*pText);
rank = GetOffset (pText);
rank += 128 * font;
pPixmap->DrawIcon (-1, CHTEXT, rank, pos);
pos.x += GetCharWidth (*pText++, font);
pos.x += GetCharWidth (pText, font);
pText++;
}
}
}
// 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 rank, lg, rel, start;
@ -104,11 +111,12 @@ void DrawTextPente (CPixmap *pPixmap, POINT pos, char *pText,
rel = 0;
while (*pText != 0)
{
rank = GetOffset (*pText);
rank = GetOffset (pText);
rank += 128 * font;
pPixmap->DrawIcon (-1, CHTEXT, rank, pos);
lg = GetCharWidth (*pText++, font);
lg = GetCharWidth (pText, font);
pText++;
rel += lg;
pos.x += lg;
pos.y = start + rel / pente;
@ -273,7 +281,10 @@ Sint32 GetTextWidth (const char *pText, Sint32 font)
Sint32 width = 0;
while (*pText != 0)
width += GetCharWidth (*pText++, font);
{
width += GetCharWidth (pText, font);
pText++;
}
return width;
}

2
src/text.h
View File

@ -7,7 +7,7 @@
#define FONTLITTLE 10
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);
void DrawTextRect (CPixmap *pPixmap, POINT pos, char *pText,
Sint32 pente, Sint32 font = 0, Sint32 part = -1);