1////////////////////////////////////////////////////////////////////////////////
2//
3//	File: LoadPalette.cpp
4//
5//	Date: December 1999
6//
7//	Author: Daniel Switkin
8//
9//	Copyright 2003 (c) by Daniel Switkin. This file is made publically available
10//	under the BSD license, with the stipulations that this complete header must
11//	remain at the top of the file indefinitely, and credit must be given to the
12//	original author in any about box using this software.
13//
14////////////////////////////////////////////////////////////////////////////////
15
16#include "LoadPalette.h"
17#include <GraphicsDefs.h>
18#include <ByteOrder.h>
19
20LoadPalette::LoadPalette() {
21	backgroundindex = 0;
22	usetransparent = false;
23	transparentindex = 0;
24	size = size_in_bits = 0;
25}
26
27// Never index into pal directly - this function is safe
28uint32 LoadPalette::ColorForIndex(int index) {
29	if (index >= 0 && index <= size) {
30		if (usetransparent && index == transparentindex) return B_TRANSPARENT_MAGIC_RGBA32;
31		else return data[index];
32	} else {
33		return B_BENDIAN_TO_HOST_INT32(0x000000ff);
34	}
35}
36
37void LoadPalette::SetColor(int index, uint8 red, uint8 green, uint8 blue) {
38	if (index < 0 || index > 255) return;
39	data[index] = (blue << 24) + (green << 16) + (red << 8) + 0xff;
40	data[index] = B_BENDIAN_TO_HOST_INT32(data[index]);
41}
42
43