public void DrawText(float x, float y, string text, uint color, TextAlignment alignment = TextAlignment.Default, DisplayFont font = null)
{
var b = color & 0xFF;
var g = (color & 0xFF00) >> 8;
var r = (color & 0xFF0000) >> 16;
var a = (color & 0xFF000000) >> 24;
DrawText(x, y, text, new SDL.SDL_Color()
{
r = (byte)r, g = (byte)g, b = (byte)b, a = (byte)a
}, alignment, font);
}
public void DrawText(float x, float y, string text, SDL.SDL_Color color, TextAlignment alignment = TextAlignment.Default, DisplayFont font = null)
{
var surfacePtr = SDL_ttf.TTF_RenderUNICODE_Solid(font?.Font ?? _font, text, color);
SDL.SDL_Surface surface = (SDL.SDL_Surface)Marshal.PtrToStructure(surfacePtr, typeof(SDL.SDL_Surface));
var texture = SDL.SDL_CreateTextureFromSurface(_renderer, surfacePtr);
int w = surface.w;
int h = surface.h;
int xx = (int)(x * ActualWidth);
int yy = (int)(y * ActualHeight);
if (alignment.HasFlag(TextAlignment.HorizontalCenter))
{
xx -= w / 2;
}
else if (alignment.HasFlag(TextAlignment.HorizontalRight))
{
xx -= w;
}
if (alignment.HasFlag(TextAlignment.VerticalCenter))
{
yy -= h / 2;
}
else if (alignment.HasFlag(TextAlignment.VerticalBottom))
{
yy -= h;
}
SDL.SDL_FreeSurface(surfacePtr);
var src = new SDL.SDL_Rect()
{
x = 0, y = 0, w = w, h = h
};
var target = new SDL.SDL_Rect()
{
x = xx, y = yy, w = w, h = h
};
SDL.SDL_RenderCopy(_renderer, texture, ref src, ref target);
SDL.SDL_DestroyTexture(texture);
}