mirror of
https://github.com/scummvm/scummvm.git
synced 2026-06-20 05:45:29 +00:00
Filippos Karapetis
8a7e3bfada
git-svn-id: http://asylumengine.googlecode.com/svn/trunk@179 0bfb4aae-4ea4-11de-8d8d-752d95cf3e3c
101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
/* 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.
|
|
*
|
|
* $URL$
|
|
* $Id$
|
|
*
|
|
*/
|
|
|
|
#include "asylum/screen.h"
|
|
|
|
namespace Asylum {
|
|
|
|
Screen::Screen(OSystem *sys) : _sys(sys) {
|
|
_backBuffer.create(640, 480, 1);
|
|
}
|
|
|
|
Screen::~Screen() {
|
|
_backBuffer.free();
|
|
}
|
|
|
|
void Screen::copyBackBufferToScreen() {
|
|
_sys->copyRectToScreen((byte *)_backBuffer.pixels, _backBuffer.w, 0, 0, _backBuffer.w, _backBuffer.h);
|
|
}
|
|
|
|
void Screen::copyToBackBuffer(byte *buffer, int pitch, int x, int y, int width, int height) {
|
|
int h = height;
|
|
int w = width;
|
|
byte *dest = (byte *)_backBuffer.pixels;
|
|
|
|
while (h--) {
|
|
memcpy(dest + y * _backBuffer.pitch + x, buffer, w);
|
|
dest += 640;
|
|
buffer += pitch;
|
|
}
|
|
}
|
|
|
|
void Screen::copyToBackBufferWithTransparency(byte *buffer, int pitch, int x, int y, int width, int height) {
|
|
int h = height;
|
|
int w = width;
|
|
byte *dest = (byte *)_backBuffer.pixels;
|
|
|
|
for (int curY = 0; curY < height; curY++) {
|
|
for (int curX = 0; curX < width; curX++) {
|
|
if (buffer[curX + curY * width] != 0) {
|
|
dest[x + curX + (y + curY) * 640] = buffer[curX + curY * pitch];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void Screen::copyRectToScreen(byte *buffer, int pitch, int x, int y, int width, int height) {
|
|
_sys->copyRectToScreen(buffer, pitch, x, y, width, height);
|
|
}
|
|
|
|
void Screen::copyRectToScreenWithTransparency(byte *buffer, int pitch, int x, int y, int width, int height) {
|
|
byte *screenBuffer = (byte *)_sys->lockScreen()->pixels;
|
|
|
|
for (int curY = 0; curY < height; curY++) {
|
|
for (int curX = 0; curX < width; curX++) {
|
|
if (buffer[curX + curY * width] != 0) {
|
|
screenBuffer[x + curX + (y + curY) * 640] = buffer[curX + curY * pitch];
|
|
}
|
|
}
|
|
}
|
|
|
|
_sys->unlockScreen();
|
|
}
|
|
|
|
void Screen::setPalette(byte *rgbPalette) {
|
|
byte palette[256 * 4];
|
|
byte *p = rgbPalette;
|
|
|
|
for (int i = 0; i < 256; i++) {
|
|
palette[i * 4 + 0] = *p++ << 2;
|
|
palette[i * 4 + 1] = *p++ << 2;
|
|
palette[i * 4 + 2] = *p++ << 2;
|
|
palette[i * 4 + 3] = 0;
|
|
}
|
|
|
|
_sys->setPalette(palette, 0, 256);
|
|
}
|
|
|
|
} // end of namespace Asylum
|