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Copy pathProgram.cs
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115 lines (97 loc) · 4.38 KB
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// Copyright (c) 2010-2013 SharpDX - Alexandre Mutel
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.IO;
using SharpDX;
using SharpDX.IO;
using SharpDX.WIC;
namespace EncodeDecode
{
static class Program
{
/// <summary>
/// SharpDX WIC sample. Encode to JPG and decode.
/// </summary>
static void Main()
{
const int width = 512;
const int height = 512;
const string filename = "output.jpg";
var factory = new ImagingFactory();
WICStream stream = null;
// ------------------------------------------------------
// Encode a JPG image
// ------------------------------------------------------
// Create a WIC outputstream
if (File.Exists(filename))
File.Delete(filename);
stream = new WICStream(factory, filename, NativeFileAccess.Write);
// Initialize a Jpeg encoder with this stream
var encoder = new JpegBitmapEncoder(factory);
encoder.Initialize(stream);
// Create a Frame encoder
var bitmapFrameEncode = new BitmapFrameEncode(encoder);
bitmapFrameEncode.Options.ImageQuality = 0.8f;
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(width, height);
var guid = PixelFormat.Format24bppBGR;
bitmapFrameEncode.SetPixelFormat(ref guid);
// Write a pseudo-plasma to a buffer
int stride = PixelFormat.GetStride(PixelFormat.Format24bppBGR, width);
var bufferSize = height * stride;
var buffer = new DataStream(bufferSize, true, true);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
buffer.WriteByte((byte)(x / 2.0 + 20.0 * Math.Sin(y / 40.0)));
buffer.WriteByte((byte)(y / 2.0 + 30.0 * Math.Sin(x / 80.0)));
buffer.WriteByte((byte)(x / 2.0));
}
}
// Copy the pixels from the buffer to the Wic Bitmap Frame encoder
bitmapFrameEncode.WritePixels(512, new DataRectangle(buffer.DataPointer, stride));
// Commit changes
bitmapFrameEncode.Commit();
encoder.Commit();
bitmapFrameEncode.Dispose();
encoder.Dispose();
stream.Dispose();
// ------------------------------------------------------
// Decode the previous JPG image
// ------------------------------------------------------
// Read input
stream = new WICStream(factory, filename, NativeFileAccess.Read);
var decoder = new JpegBitmapDecoder(factory);
decoder.Initialize(stream, DecodeOptions.CacheOnDemand);
var bitmapFrameDecode = decoder.GetFrame(0);
var queryReader = bitmapFrameDecode.MetadataQueryReader;
// Dump MetadataQueryreader
queryReader.Dump(Console.Out);
queryReader.Dispose();
bitmapFrameDecode.Dispose();
decoder.Dispose();
stream.Dispose();
// Dispose
factory.Dispose();
System.Diagnostics.Process.Start(Path.GetFullPath(Path.Combine(Environment.CurrentDirectory, filename)));
}
}
}