GLuint FTTextureFontImpl::CreateTexture()
{
CalculateTextureSize();
int totalMemory = textureWidth * textureHeight;
unsigned char* textureMemory = new unsigned char[totalMemory];
memset(textureMemory, 0, totalMemory);
GLuint textID;
glGenTextures(1, (GLuint*)&textID);
ftglBindTexture(textID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, textureWidth, textureHeight,
0, GL_ALPHA, GL_UNSIGNED_BYTE, textureMemory);
printf("texture dimensions: %d %d\n", textureWidth, textureHeight);
delete [] textureMemory;
return textID;
}
void FTPolygonGlyphImpl::DoRender(const FTPoint& pen)
{
const FTMesh *mesh = vectoriser->GetMesh();
for (unsigned int t = 0; t < mesh->TesselationCount(); ++t)
{
const FTTesselation* subMesh = mesh->Tesselation(t);
unsigned int polygonType = subMesh->PolygonType();
ftglBindTexture(0);
ftglBegin(polygonType);
for(unsigned int i = 0; i < subMesh->PointCount(); ++i)
{
FTPoint point = subMesh->Point(i);
ftglColor4f(1.0f, 1.0f, 1.0f, 1.0f);
ftglTexCoord2f(point.Xf() / hscale, point.Yf() / vscale);
ftglVertex3f(pen.Xf() + point.Xf() / 64.0f, pen.Yf() + point.Yf() / 64.0f, 0.0f);
}
ftglEnd();
}
}
