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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "prince/graphics.h"
#include "prince/prince.h"
#include "graphics/palette.h"
namespace Prince {
GraphicsMan::GraphicsMan(PrinceEngine *vm)
: _vm(vm), _changed(false) {
initGraphics(640, 480, true);
_frontScreen = new Graphics::Surface();
_frontScreen->create(640, 480, Graphics::PixelFormat::createFormatCLUT8());
}
GraphicsMan::~GraphicsMan() {
_frontScreen->free();
delete _frontScreen;
}
void GraphicsMan::update() {
if (_changed) {
_vm->_system->copyRectToScreen((byte*)_frontScreen->getBasePtr(0,0), 640, 0, 0, 640, 480);
_vm->_system->updateScreen();
_changed = false;
}
}
void GraphicsMan::setPalette(const byte *palette) {
_vm->_system->getPaletteManager()->setPalette(palette, 0, 256);
}
void GraphicsMan::change() {
_changed = true;
}
void GraphicsMan::draw(uint16 posX, uint16 posY, const Graphics::Surface *s)
{
uint16 w = MIN(_frontScreen->w, s->w);
for (uint y = 0; y < s->h; y++) {
if (y < _frontScreen->h) {
memcpy((byte*)_frontScreen->getBasePtr(0, y), (byte*)s->getBasePtr(0, y), w);
}
}
change();
}
void GraphicsMan::drawTransparent(const Graphics::Surface *s)
{
for (uint y = 0; y < s->h; ++y) {
for (uint x = 0; x < s->w; ++x) {
byte pixel = *((byte*)s->getBasePtr(x,y));
if (pixel != 255) {
*((byte*)_frontScreen->getBasePtr(x, y)) = pixel;
}
}
}
change();
}
}
/* vim: set tabstop=4 noexpandtab: */
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