static bool arglPixelFormatGet(ARGL_CONTEXT_SETTINGS contextSettings, ref AR_PIXEL_FORMAT format, ref int size)
{
if (contextSettings == null)
{
return(false);
}
format = contextSettings.format;
size = contextSettings.pixSize;
return(true);
}
static bool arglPixelFormatSet(ARGL_CONTEXT_SETTINGS contextSettings, AR_PIXEL_FORMAT format)
{
if (contextSettings == null)
{
return(false);
}
switch (format)
{
case AR_PIXEL_FORMAT.AR_PIXEL_FORMAT_Rgba:
contextSettings.pixIntFormat = (int)All1.Rgba;
contextSettings.pixFormat = (int)All1.Rgba;
contextSettings.pixType = (int)All1.UnsignedByte;
contextSettings.pixSize = 4;
break;
case AR_PIXEL_FORMAT.AR_PIXEL_FORMAT_Bgra: // Windows.
contextSettings.pixIntFormat = (int)All1.Rgba;
contextSettings.pixFormat = (int)All1.Bgra;
contextSettings.pixType = (int)All1.UnsignedByte;
contextSettings.pixSize = 4;
break;
case AR_PIXEL_FORMAT.AR_PIXEL_FORMAT_ABGR: // SGI.
contextSettings.pixIntFormat = (int)All1.Rgba;
contextSettings.pixFormat = (int)All1.AbgrExt;
contextSettings.pixType = (int)All1.UnsignedByte;
contextSettings.pixSize = 4;
break;
case AR_PIXEL_FORMAT.AR_PIXEL_FORMAT_ARGB: // Mac.
contextSettings.pixIntFormat = (int)All1.Rgba;
contextSettings.pixFormat = (int)All1.Bgra;
contextSettings.pixType = (int)All1.UnsignedInt8888;
contextSettings.pixSize = 4;
break;
case AR_PIXEL_FORMAT.AR_PIXEL_FORMAT_RGB:
contextSettings.pixIntFormat = (int)All1.Rgb;
contextSettings.pixFormat = (int)All1.Rgb;
contextSettings.pixType = (int)All1.UnsignedByte;
contextSettings.pixSize = 3;
break;
case AR_PIXEL_FORMAT.AR_PIXEL_FORMAT_BGR:
contextSettings.pixIntFormat = (int)All1.Rgb;
contextSettings.pixFormat = (int)All1.Rgb;
contextSettings.pixType = (int)All1.UnsignedByte;
contextSettings.pixSize = 3;
break;
default:
return(false);
break;
}
contextSettings.format = format;
contextSettings.textureDataReady = false;
if (!arglSetupTextureObjects(contextSettings))
{
return(false);
}
return(true);
}
public static ARGL_CONTEXT_SETTINGS arglSetupForCurrentContext(ARParam cparam, AR_PIXEL_FORMAT pixelFormat)
{
ARGL_CONTEXT_SETTINGS contextSettings;
contextSettings = new ARGL_CONTEXT_SETTINGS();
contextSettings.arParam = cparam; // Copy it.
contextSettings.zoom = 1.0f;
// Because of calloc used above, these are redundant.
//contextSettings.rotate90 = contextSettings.flipH = contextSettings.flipV = false;
//contextSettings.disableDistortionCompensation = false;
//contextSettings.textureGeometryHasBeenSetup = false;
//contextSettings.textureObjectsHaveBeenSetup = false;
//contextSettings.textureDataReady = false;
// This sets pixIntFormat, pixFormat, pixType, pixSize, and resets textureDataReady.
arglPixelFormatSet(contextSettings, pixelFormat);
// Set pixel buffer sizes to incoming image size, by default.
if (!arglPixelBufferSizeSet(contextSettings, cparam.xsize, cparam.ysize))
{
Debug.Print("ARGL: Error setting pixel buffer size.\n");
contextSettings = null;
return(null);
}
return(contextSettings);
}
