| private SelectObject ( IntPtr hdc, IntPtr hgdiobj ) : IntPtr | ||
| hdc | IntPtr | |
| hgdiobj | IntPtr | |
| return | IntPtr | |
/// <summary>
/// Resizes the section.
/// </summary>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="bitCount">The bit count.</param>
public void Resize(int width, int height, int bitCount)
{
// Destroy existing objects.
this.DestroyBitmap();
// Set parameters.
this.Width = width;
this.Height = height;
// Create a bitmap info structure.
var info = new BitmapInfo();
info.Init();
// Set the data.
info.biBitCount = (short)bitCount;
info.biPlanes = 1;
info.biWidth = width;
info.biHeight = height;
// Create the bitmap.
this.HBitmap = Win32.CreateDIBSection(this.MemoryDeviceContext, ref info, Win32.DIB_RGB_COLORS,
out this.bits, IntPtr.Zero, 0);
Win32.SelectObject(this.MemoryDeviceContext, this.HBitmap);
}
/// <summary>
/// Creates the specified width.
/// </summary>
/// <param name="deviceContext"></param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="bitCount">The bit count.</param>
/// <returns></returns>
public virtual bool Create(IntPtr deviceContext, int width, int height, int bitCount)
{
this.Width = width;
this.Height = height;
this.MemoryDeviceContext = Win32.CreateCompatibleDC(deviceContext);
// Destroy existing objects.
this.DestroyBitmap();
// Create a bitmap info structure.
var info = new BitmapInfo();
info.Init();
// Set the data.
info.biBitCount = (short)bitCount;
info.biPlanes = 1;
info.biWidth = width;
info.biHeight = height;
// Create the bitmap.
this.HBitmap = Win32.CreateDIBSection(this.MemoryDeviceContext, ref info, Win32.DIB_RGB_COLORS,
out this.bits, IntPtr.Zero, 0);
Win32.SelectObject(this.MemoryDeviceContext, this.HBitmap);
// Set the OpenGL pixel format.
SetPixelFormat(this.MemoryDeviceContext, bitCount);
return(true);
}
/// <summary>
/// Creates the specified width.
/// </summary>
/// <param name="deviceContext"></param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="parameters">parameters.</param>
public DIBSection(IntPtr deviceContext, int width, int height, ContextGenerationParams parameters)
{
this.Width = width;
this.Height = height;
this.MemoryDeviceContext = Win32.CreateCompatibleDC(deviceContext);
// Destroy existing objects.
this.DestroyBitmap();
// Create a bitmap info structure.
var info = new BitmapInfo();
info.Init();
// Set the data.
info.biBitCount = parameters.ColorBits;
info.biPlanes = 1;
info.biWidth = width;
info.biHeight = height;
// Create the bitmap.
IntPtr mdc = this.MemoryDeviceContext;
this.HBitmap = Win32.CreateDIBSection(mdc, ref info, Win32.DIB_RGB_COLORS, out this.bits, IntPtr.Zero, 0);
Win32.SelectObject(mdc, this.HBitmap);
// Set the OpenGL pixel format.
this.SetPixelFormat(mdc, parameters);
}
/// <summary>
/// Resizes the section.
/// </summary>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="bitCount">The bit count.</param>
public void Resize(int width, int height, int bitCount)
{
// Destroy existing objects.
Destroy();
// Set parameters.
Width = width;
Height = height;
// Create a bitmap info structure.
BITMAPINFO info = new BITMAPINFO();
info.Init();
// Set the data.
info.biBitCount = (short)bitCount;
info.biPlanes = 1;
info.biWidth = width;
info.biHeight = height;
// Create the bitmap.
HBitmap = Win32.CreateDIBSection(parentDC, ref info, Win32.DIB_RGB_COLORS,
out bits, IntPtr.Zero, 0);
Win32.SelectObject(parentDC, HBitmap);
}
/// <summary>
/// Creates the specified width.
/// </summary>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="bitCount">The bit count.</param>
/// <returns></returns>
public virtual bool Create(IntPtr hDC, int width, int height, int bitCount)
{
this.Width = width;
this.Height = height;
parentDC = hDC;
// Destroy existing objects.
Destroy();
// Create a bitmap info structure.
BITMAPINFO info = new BITMAPINFO();
info.Init();
// Set the data.
info.biBitCount = (short)bitCount;
info.biPlanes = 1;
info.biWidth = width;
info.biHeight = height;
// Create the bitmap.
HBitmap = Win32.CreateDIBSection(hDC, ref info, Win32.DIB_RGB_COLORS,
out bits, IntPtr.Zero, 0);
Win32.SelectObject(hDC, HBitmap);
// Set the OpenGL pixel format.
SetPixelFormat(hDC, bitCount);
return(true);
}
private static FontBitmapEntry CreateFontBitmapEntry(string faceName, int height)
{
// Make the OpenGL instance current.
//GL.MakeCurrent();
IntPtr renderContext = Win32.wglGetCurrentContext();
IntPtr deviceContext = Win32.wglGetCurrentDC();
Win32.wglMakeCurrent(deviceContext, renderContext);
// Create the font based on the face name.
var hFont = Win32.CreateFont(height, 0, 0, 0, Win32.FW_DONTCARE, 0, 0, 0, Win32.DEFAULT_CHARSET,
Win32.OUT_OUTLINE_PRECIS, Win32.CLIP_DEFAULT_PRECIS, Win32.CLEARTYPE_QUALITY, Win32.VARIABLE_PITCH, faceName);
// Select the font handle.
var hOldObject = Win32.SelectObject(deviceContext, hFont);
// Create the list base.
var listBase = OpenGL.GenLists(1);
// Create the font bitmaps.
bool result = Win32.wglUseFontBitmaps(deviceContext, 0, 255, listBase);
// Reselect the old font.
Win32.SelectObject(deviceContext, hOldObject);
// Free the font.
Win32.DeleteObject(hFont);
// Create the font bitmap entry.
var fbe = new FontBitmapEntry()
{
HDC = deviceContext,
HRC = renderContext,
FaceName = faceName,
Height = height,
ListBase = listBase,
ListCount = 255
};
// Add the font bitmap entry to the internal list.
fontBitmapEntries.Add(fbe);
return(fbe);
}
