void TTFont::constructor(const char *filename, float size, bool smoothing)
{
face_ = NULL;
G_FILE* fis = g_fopen(filename, "rb");
if (fis == NULL)
{
throw GiderosException(GStatus(6000, filename)); // Error #6000: %s: No such file or directory.
return;
}
memset(&stream_, 0, sizeof(stream_));
g_fseek(fis, 0, SEEK_END);
stream_.size = g_ftell(fis);
g_fseek(fis, 0, SEEK_SET);
stream_.descriptor.pointer = fis;
stream_.read = read;
stream_.close = close;
FT_Open_Args args;
memset(&args, 0, sizeof(args));
args.flags = FT_OPEN_STREAM;
args.stream = &stream_;
if (FT_Open_Face(FT_Library_Singleton::instance(), &args, 0, &face_))
throw GiderosException(GStatus(6012, filename)); // Error #6012: %s: Error while reading font file.
float scalex = application_->getLogicalScaleX();
float scaley = application_->getLogicalScaleY();
const int RESOLUTION = 72;
if (FT_Set_Char_Size(face_, 0L, (int)floor(size * 64 + 0.5f), (int)floor(RESOLUTION * scalex + 0.5f), (int)floor(RESOLUTION * scaley + 0.5f)))
{
FT_Done_Face(face_);
face_ = NULL;
throw GiderosException(GStatus(6017, filename)); // Error #6017: Invalid font size.
}
ascender_ = face_->size->metrics.ascender >> 6;
height_ = face_->size->metrics.height >> 6;
smoothing_ = smoothing;
}
int Font::getTextureGlyphsFormat(const char *file)
{
G_FILE *fis = g_fopen(file, "rt");
if (!fis)
throw GiderosException(GStatus(6000, file)); // Error #6000: %s: No such file or directory.
bool old = (g_fgetc(fis) == '0');
g_fclose(fis);
return old ? 0 : 1;
}
void Font::readTextureGlyphsOld(const char* file)
{
G_FILE* fis = g_fopen(file, "rt");
if (!fis)
throw GiderosException(GStatus(6000, file)); // Error #6000: %s: No such file or directory.
fontInfo_.textureGlyphs.clear();
int doMipmaps_;
g_fscanf(fis, "%d", &doMipmaps_);
while (1)
{
TextureGlyph glyph;
int chr;
g_fscanf(fis, "%d", &chr);
if (g_feof(fis))
break;
glyph.chr = chr;
g_fscanf(fis, "%d %d", &glyph.x, &glyph.y);
g_fscanf(fis, "%d %d", &glyph.width, &glyph.height);
g_fscanf(fis, "%d %d", &glyph.left, &glyph.top);
g_fscanf(fis, "%d %d", &glyph.advancex, &glyph.advancey);
fontInfo_.textureGlyphs[chr] = glyph;
}
g_fclose(fis);
fontInfo_.kernings.clear();
fontInfo_.isSetTextColorAvailable = true;
// mimic height & ascender
int ascender = 0;
int descender = 0;
std::map<wchar32_t, TextureGlyph>::iterator iter, e = fontInfo_.textureGlyphs.end();
for (iter = fontInfo_.textureGlyphs.begin(); iter != e; ++iter)
{
ascender = std::max(ascender, iter->second.top);
descender = std::max(descender, iter->second.height - iter->second.top);
}
fontInfo_.height = (ascender + descender) * 1.25;
fontInfo_.ascender = ascender * 1.25;
}
void TexturePack::readTextureList(const char* texturelistfile,
std::vector<Rect>& textures_,
std::map<std::string, int>& filenameMap_,
int* pwidth, int* pheight)
{
G_FILE* fis = g_fopen(texturelistfile, "rt");
if (fis == NULL)
{
throw GiderosException(GStatus(6000, texturelistfile)); // Error #6000: %s: No such file or directory.
return;
}
textures_.clear();
filenameMap_.clear();
int width = 0;
int height = 0;
char line[1024];
while (true)
{
line[0] = line[1023] = 0;
if (g_fgets(line, 1024, fis) == NULL)
break;
char* c;
if ((c = strrchr(line, 0xa)))
*c = '\0';
if ((c = strrchr(line, 0xd)))
*c = '\0';
if (line[0] == '\0')
break;
std::vector<std::string> result;
pystring::split(line, result, ",");
for (std::size_t i = 0; i < result.size(); ++i)
{
if (result[i].empty() == false)
result[i] = pystring::strip(result[i]);
}
if (result.size() >= 9)
{
Rect rect;
rect.x = atoi(result[1].c_str());
rect.y = atoi(result[2].c_str());
rect.width = atoi(result[3].c_str());
rect.height = atoi(result[4].c_str());
rect.dx1 = atoi(result[5].c_str());
rect.dy1 = atoi(result[6].c_str());
rect.dx2 = atoi(result[7].c_str());
rect.dy2 = atoi(result[8].c_str());
filenameMap_[result[0]] = textures_.size();
textures_.push_back(rect);
width += rect.width + rect.dx1 + rect.dx2;
height += rect.height + rect.dy1 + rect.dy2;
}
}
g_fclose(fis);
if (pwidth)
*pwidth = width;
if (pheight)
*pheight = height;
if (textures_.empty() == true)
{
throw GiderosException(GStatus(6008, texturelistfile)); // Error #6008: %s: File does not contain texture region information.
return;
}
}
void Font::readTextureGlyphsNew(const char *file)
{
G_FILE *fis = g_fopen(file, "rt");
if (!fis)
throw GiderosException(GStatus(6000, file)); // Error #6000: %s: No such file or directory.
std::string line;
while (readLine(fis, &line))
{
if (startsWith(line, "common"))
{
if (!getArg(line, "lineHeight", &fontInfo_.height))
goto error;
if (!getArg(line, "base", &fontInfo_.ascender))
goto error;
fontInfo_.isSetTextColorAvailable = false;
int alphaChnl, redChnl, greenChnl, blueChnl;
if (getArg(line, "alphaChnl", &alphaChnl) &&
getArg(line, "redChnl", &redChnl) &&
getArg(line, "greenChnl", &greenChnl) &&
getArg(line, "blueChnl", &blueChnl))
{
if (alphaChnl == 0 && redChnl == 4 && greenChnl == 4 && blueChnl == 4)
{
fontInfo_.isSetTextColorAvailable = true;
}
}
}
else if (startsWith(line, "char"))
{
TextureGlyph textureGlyph;
if (!getArg(line, "id", &textureGlyph.chr))
goto error;
if (!getArg(line, "x", &textureGlyph.x))
goto error;
if (!getArg(line, "y", &textureGlyph.y))
goto error;
if (!getArg(line, "width", &textureGlyph.width))
goto error;
if (!getArg(line, "height", &textureGlyph.height))
goto error;
if (!getArg(line, "xoffset", &textureGlyph.left))
goto error;
if (!getArg(line, "yoffset", &textureGlyph.top))
goto error;
if (!getArg(line, "xadvance", &textureGlyph.advancex))
goto error;
textureGlyph.top = fontInfo_.ascender - textureGlyph.top;
textureGlyph.advancex <<= 6;
fontInfo_.textureGlyphs[textureGlyph.chr] = textureGlyph;
}
else if (startsWith(line, "kerning"))
{
wchar32_t first, second;
int amount;
if (!getArg(line, "first", &first))
goto error;
if (!getArg(line, "second", &second))
goto error;
if (!getArg(line, "amount", &amount))
goto error;
amount <<= 6;
fontInfo_.kernings[std::make_pair(first, second)] = amount;
}
}
g_fclose(fis);
return;
error:
g_fclose(fis);
throw GiderosException(GStatus(6016, file)); // Error #6016: %s: Error while reading FNT file.
}