mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
synced 2024-11-30 15:41:30 +00:00
101 lines
2.7 KiB
C#
101 lines
2.7 KiB
C#
|
|
#region ================== Copyright (c) 2007 Pascal vd Heiden
|
|
|
|
/*
|
|
* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
|
|
* This program is released under GNU General Public License
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
*/
|
|
|
|
#endregion
|
|
|
|
#region ================== Namespaces
|
|
|
|
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System.Globalization;
|
|
using System.Text;
|
|
using System.Reflection;
|
|
using System.Drawing;
|
|
using SlimDX.Direct3D;
|
|
using System.Runtime.InteropServices;
|
|
|
|
#endregion
|
|
|
|
namespace CodeImp.DoomBuilder.Rendering
|
|
{
|
|
public unsafe class PixelColorBlock
|
|
{
|
|
#region ================== API Declarations
|
|
|
|
[DllImport("kernel32.dll", SetLastError = true)]
|
|
private static unsafe extern void* VirtualAlloc(IntPtr lpAddress, UIntPtr dwSize, uint flAllocationType, uint flProtect);
|
|
|
|
[DllImport("kernel32.dll", SetLastError = true)]
|
|
[return: MarshalAs(UnmanagedType.Bool)]
|
|
private static unsafe extern bool VirtualFree(void* lpAddress, UIntPtr dwSize, uint dwFreeType);
|
|
|
|
#endregion
|
|
|
|
#region ================== Variables
|
|
|
|
private int width;
|
|
private int height;
|
|
private uint memorysize;
|
|
private PixelColor* memory;
|
|
|
|
#endregion
|
|
|
|
#region ================== Properties
|
|
|
|
public int Width { get { return width; } }
|
|
public int Height { get { return height; } }
|
|
public uint Length { get { return memorysize; } }
|
|
public PixelColor this[int index] { get { return memory[index]; } set { memory[index] = value; } }
|
|
public PixelColor* Pointer { get { return memory; } }
|
|
|
|
#endregion
|
|
|
|
#region ================== Constructor / Destructor
|
|
|
|
// Constructor
|
|
public PixelColorBlock(int width, int height)
|
|
{
|
|
// Check input
|
|
if((width <= 0) || (height <= 0)) throw new ArgumentException("Cannot allocate a memory block of zero size!");
|
|
|
|
// Initialize
|
|
this.width = width;
|
|
this.height = height;
|
|
this.memorysize = (uint)width * (uint)height * (uint)sizeof(PixelColor);
|
|
this.memory = (PixelColor*)VirtualAlloc(IntPtr.Zero, new UIntPtr(memorysize), General.MEM_COMMIT, General.PAGE_READWRITE);
|
|
GC.AddMemoryPressure(memorysize);
|
|
}
|
|
|
|
// Destructor
|
|
~PixelColorBlock()
|
|
{
|
|
// Terminate
|
|
VirtualFree((void*)memory, new UIntPtr(memorysize), General.MEM_RELEASE);
|
|
GC.RemoveMemoryPressure(memorysize);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Methods
|
|
|
|
// This clears the memory black
|
|
public void Clear()
|
|
{
|
|
General.ZeroMemory(new IntPtr(memory), (int)memorysize);
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|