//============================================================
// <T>序列化数据内容到输出流中。</T>
//
// @param output 输出流
//============================================================
public void Serialize2(IOutput output)
{
base.Serialize(output);
// 写入宽度和高度
int width = _bitmap.Width;
int height = _bitmap.Height;
output.WriteInt16((short)width);
output.WriteInt16((short)height);
// 获得编码器
ImageCodecInfo jpgCodec = RBitmap.FindImageCodecInfo(EBitmap.Jpg);
// 检测是否有Aplah值
bool channelA = RBitmap.HasChannel(_bitmap, EBitmapChannel.A);
if (channelA)
{
output.WriteInt8(2);
}
else
{
output.WriteInt8(1);
}
// 保存图片RGB信息
using (Bitmap bitmapRgb = new Bitmap(width, height, PixelFormat.Format32bppRgb)){
EncoderParameters parameters = new EncoderParameters(1);
parameters.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)_qualityColor);
RBitmap.CopyChannels(_bitmap, bitmapRgb, EBitmapChannels.RGB);
using (MemoryStream buffer = new MemoryStream()){
bitmapRgb.Save(buffer, jpgCodec, parameters);
byte[] data = buffer.ToArray();
output.WriteInt32(data.Length);
output.WriteBytes(data, 0, data.Length);
}
}
// 保存图片A信息
if (channelA)
{
using (Bitmap bitmapA = new Bitmap(width, height, PixelFormat.Format32bppRgb)){
EncoderParameters parameters = new EncoderParameters(1);
parameters.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)_qualityAlpha);
RBitmap.CopyChannel(_bitmap, EBitmapChannel.A, bitmapA, EBitmapChannels.RGB, _validAlpha);
using (MemoryStream buffer = new MemoryStream()){
bitmapA.Save(buffer, jpgCodec, parameters);
byte[] data = buffer.ToArray();
output.WriteInt32(data.Length);
output.WriteBytes(data, 0, data.Length);
}
}
}
}
//============================================================
// <T>加载指定通道的位图文件。</T>
//
// @param fileName 文件名称
// @param channels 通道
//============================================================
public void LoadFileChannel(string fileName, int sourceChannel = EBitmapChannel.R, int targetChannel = EBitmapChannel.A)
{
using (Bitmap bitmap = new Bitmap(fileName)) {
// 获得属性
int width = bitmap.Width;
int height = bitmap.Height;
if (null == _bitmap)
{
_bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
RBitmap.Clear(_bitmap, Color.FromArgb(255, 0, 0, 0).ToArgb());
}
// 复制通道
RBitmap.CopyChannel(bitmap, sourceChannel, _bitmap, targetChannel);
}
// 更新属性
Update();
}
//============================================================
// <T>序列化数据内容到输出流中。</T>
//
// @param output 输出流
//============================================================
public void Serialize2(IOutput output)
{
// 处理位图
Bitmap bitmap = _bitmap;
if ((_validLocation.X != 0) || (_validLocation.Y != 0) || (_validSize.Width != _bitmap.Width) || ((_validSize.Height != _bitmap.Height)))
{
bitmap = new Bitmap(_validSize.Width, _validSize.Height, PixelFormat.Format32bppArgb);
// 复制图片
RBitmap.Copy(_bitmap, new SIntRectangle(_validLocation.X, _validLocation.Y, _validSize.Width, _validSize.Height), bitmap, new SIntPoint2(0, 0));
}
// 写入宽度和高度
int width = _bitmap.Width;
int height = _bitmap.Height;
output.WriteInt16((short)width);
output.WriteInt16((short)height);
// 写入有效区域
output.WriteInt16((short)_validLocation.X);
output.WriteInt16((short)_validLocation.Y);
output.WriteInt16((short)_validSize.Width);
output.WriteInt16((short)_validSize.Height);
// 获得编码器
ImageCodecInfo jpgCodec = RBitmap.FindImageCodecInfo(EBitmap.Jpg);
// 检测是否有Aplah值
bool channelA = RBitmap.HasChannel(bitmap, EBitmapChannel.A);
if (channelA)
{
output.WriteInt8(2);
}
else
{
output.WriteInt8(1);
}
// 保存图片RGB信息
using (Bitmap bitmapRgb = new Bitmap(_validSize.Width, _validSize.Height, PixelFormat.Format32bppRgb)) {
EncoderParameters parameters = new EncoderParameters(1);
parameters.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)_qualityColor);
RBitmap.CopyChannels(bitmap, bitmapRgb, EBitmapChannels.RGB);
using (MemoryStream buffer = new MemoryStream()) {
bitmapRgb.Save(buffer, jpgCodec, parameters);
byte[] data = buffer.ToArray();
output.WriteInt32(data.Length);
output.WriteBytes(data, 0, data.Length);
}
}
// 保存图片A信息
if (channelA)
{
using (Bitmap bitmapA = new Bitmap(_validSize.Width, _validSize.Height, PixelFormat.Format32bppRgb)) {
EncoderParameters parameters = new EncoderParameters(1);
parameters.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)_qualityAlpha);
RBitmap.CopyChannel(bitmap, EBitmapChannel.A, bitmapA, EBitmapChannels.RGB, _validAlpha);
using (MemoryStream buffer = new MemoryStream()) {
bitmapA.Save(buffer, jpgCodec, parameters);
byte[] data = buffer.ToArray();
output.WriteInt32(data.Length);
output.WriteBytes(data, 0, data.Length);
}
}
}
// 释放图片
if (bitmap != _bitmap)
{
bitmap.Dispose();
bitmap = null;
}
}