| private wglUseFontBitmaps ( IntPtr hDC, uint first, uint count, uint listBase ) : bool | ||
| hDC | IntPtr | |
| first | uint | |
| count | uint | |
| listBase | uint | |
| Результат | bool | |
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);
}
