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https://github.com/libretro/scummvm.git
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97 lines
3.1 KiB
C++
97 lines
3.1 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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*
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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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*
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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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*/
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#ifndef ADL_GRAPHICS_H
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#define ADL_GRAPHICS_H
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#include "common/rect.h"
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namespace Common {
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class SeekableReadStream;
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}
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namespace Adl {
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class Display;
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// Used in hires1
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class GraphicsMan {
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public:
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GraphicsMan(Display &display) : _bounds(280, 160), _display(display) { }
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virtual ~GraphicsMan() { }
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// Applesoft BASIC HLINE
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void drawLine(const Common::Point &p1, const Common::Point &p2, byte color) const;
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// Applesoft BASIC DRAW
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void drawShape(Common::ReadStream &shape, Common::Point &pos, byte rotation = 0, byte scaling = 1, byte color = 0x7f) const;
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virtual void drawPic(Common::SeekableReadStream &pic, const Common::Point &pos);
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void clearScreen() const;
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void putPixel(const Common::Point &p, byte color) const;
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void setBounds(const Common::Rect &r) { _bounds = r; }
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protected:
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Display &_display;
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Common::Rect _bounds;
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private:
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void drawShapePixel(Common::Point &p, byte color, byte bits, byte quadrant) const;
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virtual byte getClearColor() const { return 0x00; }
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};
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// Used in hires0 and hires2-hires4
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class GraphicsMan_v2 : public GraphicsMan {
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public:
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GraphicsMan_v2(Display &display) : GraphicsMan(display), _color(0) { }
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void drawPic(Common::SeekableReadStream &pic, const Common::Point &pos);
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protected:
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bool canFillAt(const Common::Point &p, const bool stopBit = false);
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void fillRow(Common::Point p, const byte pattern, const bool stopBit = false);
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private:
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void drawCorners(Common::SeekableReadStream &pic, bool yFirst);
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void drawRelativeLines(Common::SeekableReadStream &pic);
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void drawAbsoluteLines(Common::SeekableReadStream &pic);
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virtual void fillRowLeft(Common::Point p, const byte pattern, const bool stopBit);
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virtual void fillAt(Common::Point p, const byte pattern);
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void fill(Common::SeekableReadStream &pic);
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byte getClearColor() const { return 0xff; }
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byte _color;
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Common::Point _offset;
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};
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// Used in hires5, hires6 and gelfling (possibly others as well)
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class GraphicsMan_v3 : public GraphicsMan_v2 {
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public:
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GraphicsMan_v3(Display &display) : GraphicsMan_v2(display) { }
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private:
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void fillRowLeft(Common::Point p, const byte pattern, const bool stopBit);
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void fillAt(Common::Point p, const byte pattern);
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};
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} // End of namespace Adl
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#endif
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