Function ILAPIENTRY iMirror

DevIL/src-IL/src/il_manip.cpp:295–376

@JASON New routine created 28/03/2001 Mirrors an image over its y axis

//@JASON New routine created 28/03/2001
//! Mirrors an image over its y axis
ILboolean ILAPIENTRY iMirror() {
	ILubyte		*Data, *DataPtr, *Temp;
	ILuint		y, d, PixLine;
	ILint		x, c;
	ILushort	*ShortPtr, *TempShort;
	ILuint		*IntPtr, *TempInt;
	ILdouble	*DblPtr, *TempDbl;

	if (iCurImage == NULL) {
		ilSetError(IL_ILLEGAL_OPERATION);
		return IL_FALSE;
	}

	Data = (ILubyte*)ialloc(iCurImage->SizeOfData);
	if (Data == NULL)
		return IL_FALSE;

	PixLine = iCurImage->Bps / iCurImage->Bpc;
	switch (iCurImage->Bpc)
	{
		case 1:
			Temp = iCurImage->Data;
			for (d = 0; d < iCurImage->Depth; d++) {
				DataPtr = Data + d * iCurImage->SizeOfPlane;
				for (y = 0; y < iCurImage->Height; y++) {
					for (x = iCurImage->Width - 1; x >= 0; x--) {
						for (c = 0; c < iCurImage->Bpp; c++, Temp++) {
							DataPtr[y * PixLine + x * iCurImage->Bpp + c] = *Temp;
						}
					}
				}
			}
			break;

		case 2:
			TempShort = (ILushort*)iCurImage->Data;
			for (d = 0; d < iCurImage->Depth; d++) {
				ShortPtr = (ILushort*)(Data + d * iCurImage->SizeOfPlane);
				for (y = 0; y < iCurImage->Height; y++) {
					for (x = iCurImage->Width - 1; x >= 0; x--) {
						for (c = 0; c < iCurImage->Bpp; c++, TempShort++) {
							ShortPtr[y * PixLine + x * iCurImage->Bpp + c] = *TempShort;
						}
					}
				}
			}
			break;

		case 4:
			TempInt = (ILuint*)iCurImage->Data;
			for (d = 0; d < iCurImage->Depth; d++) {
				IntPtr = (ILuint*)(Data + d * iCurImage->SizeOfPlane);
				for (y = 0; y < iCurImage->Height; y++) {
					for (x = iCurImage->Width - 1; x >= 0; x--) {
						for (c = 0; c < iCurImage->Bpp; c++, TempInt++) {
							IntPtr[y * PixLine + x * iCurImage->Bpp + c] = *TempInt;
						}
					}