| private DeleteObject ( IntPtr hObject ) : bool | ||
| hObject | IntPtr | |
| return | bool | |
/// <summary>
/// Destroys this instance.
/// </summary>
public virtual void DestroyBitmap()
{
// Destroy the bitmap.
if (this.HBitmap != IntPtr.Zero)
{
Win32.DeleteObject(this.HBitmap);
this.HBitmap = IntPtr.Zero;
}
}
/// <summary>
/// Destroys this instance.
/// </summary>
public virtual void Destroy()
{
// Destroy the bitmap.
if (HBitmap != IntPtr.Zero)
{
Win32.DeleteObject(HBitmap);
HBitmap = IntPtr.Zero;
}
}
/// <summary>
/// Destroys this instance.
/// </summary>
public virtual void DestroyBitmap()
{
// Destroy the bitmap.
IntPtr hBitmap = this.HBitmap;
if (hBitmap != IntPtr.Zero)
{
this.HBitmap = IntPtr.Zero;
Win32.DeleteObject(hBitmap);
}
}
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);
}