public static Texture LoadFromFile(string path, TextureFilteringMode filteringMode = TextureFilteringMode.Nearest)
{
Bitmap bitmap = new Bitmap(path);
Texture texture = new Texture()
{
Width = bitmap.Width,
Height = bitmap.Height,
Path = path,
Filtering = filteringMode
};
bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
BitmapData data = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
bitmap.UnlockBits(data);
texture.glTexture = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, texture.glTexture);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)filteringMode);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)filteringMode);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, bitmap.Width, bitmap.Height, 0, OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
GL.BindTexture(TextureTarget.Texture2D, 0);
return(texture);
}
public static Spritesheet Load(string file, int width, int height, TextureFilteringMode mode)
{
if (System.IO.File.Exists(file))
{
using (var bmp = new Bitmap(file))
return Load(bmp, width, height, mode);
}
return null;
}
public static Spritesheet Load(Bitmap TextureBitmap, int width, int height, TextureFilteringMode mode)
{
var ret = new Spritesheet();
ret.Texture = Texture2D.Load(TextureBitmap, mode);
ret.TileWidth = width;
ret.TileHeight = height;
ret.Rows = TextureBitmap.Width / width;
ret.Columns = TextureBitmap.Height / height;
ret.RowSize = TextureBitmap.Width;
ret.ColumnSize = TextureBitmap.Height;
return ret;
}
public static AnimatedTexture Load(string path, int width, int height, TextureFilteringMode mode)
{
var sheet = Spritesheet.Load(path, width, height, mode);
if (sheet != null)
{
var anim = new AnimatedTexture();
anim.Width = width;
anim.Height = height;
anim.Sheet = sheet;
return anim;
}
return null;
}
public static Texture2D Load(BitmapData TextureData, TextureFilteringMode mode)
{
int id = 0;
GL.GenTextures(1, out id);
GL.BindTexture(TextureTarget.Texture2D, id);
GL.TexEnv(TextureEnvTarget.TextureEnv,
TextureEnvParameter.TextureEnvMode, (float)TextureEnvMode.Modulate);
switch (mode)
{
case TextureFilteringMode.Nearest:
GL.TexParameter(TextureTarget.Texture2D,
TextureParameterName.TextureMinFilter, (float)TextureMinFilter.NearestMipmapNearest);
GL.TexParameter(TextureTarget.Texture2D,
TextureParameterName.TextureMagFilter, (float)TextureMagFilter.Nearest);
break;
default:
GL.TexParameter(TextureTarget.Texture2D,
TextureParameterName.TextureMinFilter, (float)TextureMinFilter.LinearMipmapLinear);
GL.TexParameter(TextureTarget.Texture2D,
TextureParameterName.TextureMagFilter, (float)TextureMagFilter.Linear);
break;
}
GL.TexParameter(TextureTarget.Texture2D,
TextureParameterName.GenerateMipmap, (float)1.0f);
GL.TexImage2D(
TextureTarget.Texture2D,
0, // level
PixelInternalFormat.Four,
TextureData.Width, TextureData.Height,
0, // border
OpenTK.Graphics.OpenGL.PixelFormat.Bgra,
PixelType.UnsignedByte,
TextureData.Scan0
);
var Texture = new Texture2D();
Texture.Width = TextureData.Width;
Texture.Height = TextureData.Height;
Texture.ID = id;
if (Texture.ID == 0)
return null;
return Texture;
}
public static Texture2D Load(string path, TextureFilteringMode mode)
{
int id;
Console.WriteLine("Attemtping to load texture at '" + path + "'");
if (System.IO.File.Exists(path))
{
Texture2D Texture = new Texture2D();
using (Bitmap TextureBitmap = new Bitmap(path))
Texture = Load(TextureBitmap, mode);
return Texture;
}
return null;
}
public static Texture2D Load(Bitmap TextureBitmap, TextureFilteringMode mode)
{
int id;
Texture2D Texture;// = new Texture2D();
BitmapData TextureData =
TextureBitmap.LockBits(
new Rectangle(0, 0, TextureBitmap.Width, TextureBitmap.Height),
ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb
);
Texture = Load(TextureData, mode);
TextureBitmap.UnlockBits(TextureData);
return Texture;
}
public abstract void PushTextureFilteringMode(TextureFilteringMode mode);
/// <summary>
/// Loads a font from a bitmap file.
/// </summary>
/// <param name="path">The path of the bitmap</param>
/// <param name="charactersHorizontal">Specifies how many characters wide the bitmap is horizontally</param>
/// <param name="charactersVertical">Specifies how many characters wide the bitmap is vertically</param>
/// <returns></returns>
public static Font Load(string path, int charactersHorizontal, int charactersVertical, TextureFilteringMode textureFiltering = TextureFilteringMode.Nearest)
{
Font font = new Font()
{
Bitmap = Texture.LoadFromFile(path, textureFiltering),
SizeInCharacters = new Vector2(charactersHorizontal, charactersVertical)
};
return(font);
}
