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102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "common/stream.h"
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#include "draci/draci.h"
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#include "draci/sprite.h"
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namespace Draci {
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/**
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* Constructor for loading sprites from a raw data buffer, one byte per pixel.
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*/
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Sprite::Sprite(byte *raw_data, uint16 width, uint16 height, uint16 x, uint16 y,
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bool columnwise) : _width(width), _height(height), _x(x), _y(y), _data(NULL) {
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_data = new byte[width * height];
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if (!columnwise) {
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memcpy(_data, raw_data, width * height);
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} else {
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for (uint16 i = 0; i < width; ++i) {
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for (uint16 j = 0; j < height; ++j) {
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_data[j * width + i] = *raw_data++;
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}
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}
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}
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}
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/**
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* Constructor for loading sprites from a sprite-formatted buffer, one byte per
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* pixel.
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*/
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Sprite::Sprite(byte *sprite_data, uint16 length, uint16 x, uint16 y,
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bool columnwise) : _x(x), _y(y), _data(NULL) {
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Common::MemoryReadStream reader(sprite_data, length);
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_width = reader.readUint16LE();
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_height = reader.readUint16LE();
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_data = new byte[_width * _height];
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if (!columnwise) {
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reader.read(_data, _width * _height);
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} else {
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for (uint16 i = 0; i < _width; ++i) {
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for (uint16 j = 0; j < _height; ++j) {
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_data[j * _width + i] = reader.readByte();
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}
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}
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}
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}
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Sprite::~Sprite() {
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delete[] _data;
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}
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void Sprite::draw(Surface *surface) const {
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byte *dst = (byte *)surface->getBasePtr(_x, _y);
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byte *src = _data;
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for (unsigned int i = 0; i < _height; ++i) {
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for(unsigned int j = 0; j < _width; ++j, ++src) {
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if (*src != surface->getTransparentColour())
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dst[j] = *src;
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}
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dst += surface->pitch;
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}
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Common::Rect r(_x, _y, _x + _width, _y + _height);
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surface->markDirtyRect(r);
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}
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} // End of namespace Draci
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