public bool DrawRgbaImage(int imageIndex)
{
if (ImagesRgba == null || ImagesRgba.Count <= imageIndex)
{
return(false);
}
if (imageIndex < 0 || imageIndex >= ImagesRgba.Count)
{
return(false);
}
SpriteImageRgba sprImg = ImagesRgba[imageIndex];
if (sprImg == null || sprImg.Data == null || sprImg.Data.Length == 0 || sprImg.Width < 1 || sprImg.Height < 1)
{
return(false);
}
sprImg.Image = new Bitmap(sprImg.Width, sprImg.Height);
var fb = new FastBitmap(sprImg.Image);
var index = 0;
fb.LockImage();
for (var y = 0; y < sprImg.Height; y++)
{
for (var x = 0; x < sprImg.Width; x++, index += 4)
{
// A B G R
int alpha = sprImg.Data[index];
int blue = sprImg.Data[index + 1];
int green = sprImg.Data[index + 2];
int red = sprImg.Data[index + 3];
var col = Color.FromArgb(alpha, red, green, blue);
fb.SetPixel(x, y, col);
}
}
fb.UnlockImage();
return(true);
}
protected override bool ReadInternal()
{
if (base.ReadInternal() == false) {
return false;
}
ImagesPal = new List<SpriteImagePal>();
ImagesRgba = new List<SpriteImageRgba>();
Palette = new PalFormat();
if (FileHeader.Version.Major > 2) {
// Unsupported version
return false;
}
int imgPalCount = Reader.ReadUInt16();
int imgRgbaCount = 0;
if (FileHeader.Version >= 0x201) {
imgRgbaCount = Reader.ReadUInt16();
}
// Images - Palette \\
for (var i = 0; i < imgPalCount; i++) {
var imgPal = new SpriteImagePal {
Width = Reader.ReadUInt16(),
Height = Reader.ReadUInt16()
};
if (FileHeader.Version >= 0x201) {
imgPal.Size = Reader.ReadUInt16();
} else {
imgPal.Size = (ushort)(imgPal.Width * imgPal.Height);
}
imgPal.Data = Reader.ReadBytes(imgPal.Size);
ImagesPal.Add(imgPal);
}
// Images - RGBA \\
for (int i = 0; i < imgRgbaCount; i++) {
var imgRgba = new SpriteImageRgba {
Width = Reader.ReadUInt16(),
Height = Reader.ReadUInt16()
};
int size = (imgRgba.Width * imgRgba.Height * 4);
imgRgba.Data = Reader.ReadBytes(size);
ImagesRgba.Add(imgRgba);
}
// Palette \\
Reader.BaseStream.Position = (Reader.BaseStream.Length - (4 * PalFormat.ColorCount));
Palette.Read(Reader.BaseStream);
Flush();
return true;
}
protected override bool ReadInternal()
{
if (base.ReadInternal() == false)
{
return(false);
}
ImagesPal = new List <SpriteImagePal>();
ImagesRgba = new List <SpriteImageRgba>();
Palette = new PalFormat();
if (FileHeader.Version.Major > 2)
{
// Unsupported version
return(false);
}
int imgPalCount = Reader.ReadUInt16();
int imgRgbaCount = 0;
if (FileHeader.Version >= 0x201)
{
imgRgbaCount = Reader.ReadUInt16();
}
// Images - Palette \\
for (var i = 0; i < imgPalCount; i++)
{
var imgPal = new SpriteImagePal {
Width = Reader.ReadUInt16(),
Height = Reader.ReadUInt16()
};
if (FileHeader.Version >= 0x201)
{
imgPal.Size = Reader.ReadUInt16();
}
else
{
imgPal.Size = (ushort)(imgPal.Width * imgPal.Height);
}
imgPal.Data = Reader.ReadBytes(imgPal.Size);
ImagesPal.Add(imgPal);
}
// Images - RGBA \\
for (int i = 0; i < imgRgbaCount; i++)
{
var imgRgba = new SpriteImageRgba {
Width = Reader.ReadUInt16(),
Height = Reader.ReadUInt16()
};
int size = (imgRgba.Width * imgRgba.Height * 4);
imgRgba.Data = Reader.ReadBytes(size);
ImagesRgba.Add(imgRgba);
}
// Palette \\
Reader.BaseStream.Position = (Reader.BaseStream.Length - (4 * PalFormat.ColorCount));
Palette.Read(Reader.BaseStream);
Flush();
return(true);
}