void Graphics::RenderText(const FontAsset& font, const std::string& text, float x, float y)
{
Rect verts, texCoords;
glBegin(GL_QUADS);
for (int i = 0; i < text.size(); i++)
{
char c = text[i];
if ((c >= 32) && (c < 128))
{
font.GetGlyphData(c, &x, &y, verts, texCoords);
glTexCoord2f(texCoords.topLeft.x, texCoords.topLeft.y);
glVertex2f(verts.topLeft.x, verts.topLeft.y);
glTexCoord2f(texCoords.bottomRight.x, texCoords.topLeft.y);
glVertex2f(verts.bottomRight.x, verts.topLeft.y);
glTexCoord2f(texCoords.bottomRight.x, texCoords.bottomRight.y);
glVertex2f(verts.bottomRight.x, verts.bottomRight.y);
glTexCoord2f(texCoords.topLeft.x, texCoords.bottomRight.y);
glVertex2f(verts.topLeft.x, verts.bottomRight.y);
}
}
glEnd();
}
// Render the given string, updating x and y to the point where the next character
// after this string should be placed.
void Graphics::RenderTextUpdatePos(const FontAsset& font, const std::wstring& text, float *x, float *y)
{
Rect verts, texCoords;
BindFont(&font);
glBegin(GL_QUADS);
for (int i = 0; i < text.size(); i++)
{
// Render any non-control characters
int unicodeCodepoint = text[i];
if (unicodeCodepoint >= 32)
{
font.GetGlyphData(unicodeCodepoint, x, y, verts, texCoords);
glTexCoord2f(texCoords.topLeft.x, texCoords.topLeft.y);
glVertex2f(verts.topLeft.x, verts.topLeft.y);
glTexCoord2f(texCoords.bottomRight.x, texCoords.topLeft.y);
glVertex2f(verts.bottomRight.x, verts.topLeft.y);
glTexCoord2f(texCoords.bottomRight.x, texCoords.bottomRight.y);
glVertex2f(verts.bottomRight.x, verts.bottomRight.y);
glTexCoord2f(texCoords.topLeft.x, texCoords.bottomRight.y);
glVertex2f(verts.topLeft.x, verts.bottomRight.y);
}
}
glEnd();
}
