2021-07-01 01:36:44 +02:00

93 lines
2.7 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.
*
*
* Based on the original sources
* Faery Tale II -- The Halls of the Dead
* (c) 1993-1996 The Wyrmkeep Entertainment Co.
*/
#ifndef SAGA2_VDRAW_H
#define SAGA2_VDRAW_H
#include "saga2/gdraw.h"
#include "saga2/vpage.h"
namespace Saga2 {
class gDisplayPort : public gPort {
public:
virtual ~gDisplayPort() {}
vDisplayPage *displayPage; // page to draw to
virtual void setDisplayPage(vDisplayPage *dPage) {
displayPage = dPage;
clip = Rect16(0, 0, dPage->size.x, dPage->size.y);
}
void setMap(gPixelMap *, bool = FALSE) {}
void setPixel(int16 x, int16 y, gPen color) {
if (x >= clip.x && x < clip.x + clip.width
&& y >= clip.y && y < clip.y + clip.height) {
displayPage->setPixel(x + origin.x, y + origin.y, color);
}
}
gPen getPixel(int16 x, int16 y) {
return displayPage->getPixel(x + origin.x, y + origin.y);
}
gPen getPixel(Point16 p) {
return displayPage->getPixel(p.x + origin.x, p.y + origin.y);
}
// Lowest-level drawing functions, (virtually) retargeted to
// call SVGA drawing routines
void fillRect(const Rect16 r);
void hLine(int16 x, int16 y, int16 width);
void vLine(int16 x, int16 y, int16 height);
void clear(void) {
displayPage->fillRect(clip, fgPen);
}
// Blitting functions
// NOTE: svga port cannot be used a source!!!
void bltPixels(gPixelMap &src,
int src_x, int src_y,
int dst_x, int dst_y,
int width, int height);
// Bresenham line-drawing functions
void line(int16 x1, int16 y1, int16 x2, int16 y2);
void scrollPixels(const Rect16 r, int dx, int dy);
};
extern void initVGAGraphics(gDisplayPort &mainPort);
extern void cleanupVGAGraphics(void);
extern vDisplayPage *drawPage;
} // end of namespace Saga2
#endif