1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11 
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  */
21 
22 #include "common/stream.h"
23 #include "common/memstream.h"
24 
25 #include "startrek/bitmap.h"
26 #include "startrek/startrek.h"
27 
28 namespace StarTrek {
29 
Bitmap(FileStream stream)30 Bitmap::Bitmap(FileStream stream) {
31 	xoffset = stream->readUint16();
32 	yoffset = stream->readUint16();
33 	width = stream->readUint16();
34 	height = stream->readUint16();
35 
36 	pixelsArraySize = width * height;
37 	pixels = new byte[pixelsArraySize];
38 	stream->read(pixels, width * height);
39 }
40 
Bitmap(Common::MemoryReadStreamEndian * stream)41 Bitmap::Bitmap(Common::MemoryReadStreamEndian *stream) {
42 	xoffset = stream->readUint16();
43 	yoffset = stream->readUint16();
44 	width = stream->readUint16();
45 	height = stream->readUint16();
46 
47 	pixelsArraySize = width * height;
48 	pixels = new byte[pixelsArraySize];
49 	stream->read(pixels, width * height);
50 }
51 
Bitmap(const Bitmap & bitmap)52 Bitmap::Bitmap(const Bitmap &bitmap) {
53 	xoffset = bitmap.xoffset;
54 	yoffset = bitmap.yoffset;
55 	width = bitmap.width;
56 	height = bitmap.height;
57 	pixelsArraySize = bitmap.pixelsArraySize;
58 	pixels = new byte[pixelsArraySize];
59 	memcpy(pixels, bitmap.pixels, pixelsArraySize);
60 }
61 
Bitmap(int w,int h)62 Bitmap::Bitmap(int w, int h) : width(w), height(h), xoffset(0), yoffset(0) {
63 	pixels = new byte[width * height];
64 	pixelsArraySize = width * height;
65 }
66 
~Bitmap()67 Bitmap::~Bitmap() {
68 	if (pixels != nullptr)
69 		delete[] pixels;
70 }
71 
72 
TextBitmap(int w,int h)73 TextBitmap::TextBitmap(int w, int h) {
74 	width = w;
75 	height = h;
76 	// Width and Height are the total dimensions. Since each character takes 8 pixels in
77 	// each dimension, the "pixels" array (which actually stores character indices) must
78 	// be smaller.
79 	pixelsArraySize = width / 8 * height / 8;
80 	pixels = new byte[pixelsArraySize];
81 }
82 
StubBitmap(int w,int h)83 StubBitmap::StubBitmap(int w, int h) {
84 	width = w;
85 	height = h;
86 	pixelsArraySize = 0;
87 }
88 
89 } // End of namespace StarTrek
90