bool M_loadBinFont(const char * filename, void * data)
{
// open file
FILE * file = fopen(filename, "rb");
if(! file)
{
printf("Error : can't read file %s\n", filename);
return false;
}
// bin
char header[8];
fread(header, sizeof(char), 8, file);
if(strcmp(header, "MFONT") != 0)
return false;
// version
int version;
fread(&version, sizeof(int), 1, file);
// font size
unsigned int fontSize;
fread(&fontSize, sizeof(int), 1, file);
// init font
MFont * font = (MFont *)data;
font->setFontSize(fontSize);
// create image
{
unsigned int width, height;
fread(&width, sizeof(int), 1, file);
fread(&height, sizeof(int), 1, file);
font->setTextureWidth(width);
font->setTextureHeight(height);
MImage image;
image.create(M_UBYTE, width, height, 4);
unsigned char color[4] = {255, 255, 255, 0};
unsigned int x, y;
for(y=0; y<height; y++)
{
for(x=0; x<width; x++)
{
fread(&color[3], sizeof(char), 1, file);
image.writePixel(x, y, color);
}
}
MEngine * engine = MEngine().getInstance();
MRenderingContext * render = engine->getRenderingContext();
// gen texture id
unsigned int textureId = font->getTextureId();
if(textureId == 0)
{
render->createTexture(&textureId);
font->setTextureId(textureId);
}
// send texture image
render->bindTexture(textureId);
render->setTextureUWrapMode(M_WRAP_REPEAT);
render->setTextureVWrapMode(M_WRAP_REPEAT);
render->sendTextureImage(&image, 0, 1, 0);
}
// read characters infos
{
// size
unsigned int size;
fread(&size, sizeof(int), 1, file);
// characters
unsigned int i;
for(i=0; i<size; i++)
{
unsigned int charCode;
MVector2 pos;
MVector2 offset;
MVector2 scale;
float xadvance;
fread(&charCode, sizeof(int), 1, file);
fread(&pos, sizeof(float), 2, file);
fread(&offset, sizeof(float), 2, file);
fread(&scale, sizeof(float), 2, file);
fread(&xadvance, sizeof(float), 1, file);
font->setCharacter(charCode, MCharacter(xadvance, offset, pos, scale));
}
}
fclose(file);
return true;
}
