mirror of
https://github.com/libretro/scummvm.git
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193 lines
4.9 KiB
C++
193 lines
4.9 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 MADS_MSURFACE_H
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#define MADS_MSURFACE_H
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#include "common/scummsys.h"
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#include "common/rect.h"
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#include "graphics/managed_surface.h"
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#include "mads/palette.h"
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namespace MADS {
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class MADSEngine;
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class MSprite;
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class DepthSurface;
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/**
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* Basic sprite information
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*/
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struct SpriteInfo {
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MSprite *sprite;
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int hotX, hotY;
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int width, height;
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int scaleX, scaleY;
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uint8 encoding;
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byte *inverseColorTable;
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byte *palette;
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};
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/*
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* MADS graphics surface
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*/
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class MSurface : virtual public Graphics::ManagedSurface {
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private:
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/**
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* Helper method for calculating new dimensions when scaling a sprite
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*/
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int scaleValue(int value, int scale, int err);
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protected:
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static MADSEngine *_vm;
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public:
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/**
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* Sets the engine reference used all surfaces
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*/
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static void setVm(MADSEngine *vm) { _vm = vm; }
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/**
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* Base method for descendents to load their contents
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*/
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virtual void load(const Common::String &resName) {}
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public:
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/**
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* Basic constructor
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*/
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MSurface() : Graphics::ManagedSurface() {}
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/**
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* Constructor for a surface with fixed dimensions
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*/
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MSurface(int width, int height) : Graphics::ManagedSurface(width, height) {}
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/**
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* Destructor
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*/
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virtual ~MSurface() {}
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/**
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* Return a rect containing the bounds of the surface
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*/
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Common::Rect getBounds() { return Common::Rect(0, 0, this->w, this->h); }
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/**
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* Return the pixels for the surface
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*/
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inline byte *getPixels() { return (byte *)Graphics::ManagedSurface::getPixels(); }
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/**
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* Return the pixels for the surface
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*/
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inline const void *getPixels() const { return (const byte *)Graphics::ManagedSurface::getPixels(); }
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/**
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* Return a pointer to a given position on the surface
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*/
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byte *getBasePtr(int x, int y) { return (byte *)Graphics::ManagedSurface::getBasePtr(x, y); }
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/**
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* Return a pointer to a given position on the surface
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*/
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inline const byte *getBasePtr(int x, int y) const { return (const byte *)Graphics::ManagedSurface::getBasePtr(x, y); }
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/**
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* Draws a sprite
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* @param pt Position to draw sprite at
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* @param info General sprite details
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* @param clipRect Clipping rectangle to constrain sprite drawing within
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*/
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void drawSprite(const Common::Point &pt, SpriteInfo &info, const Common::Rect &clipRect);
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/**
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* Scroll the screen horizontally by a given amount
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* @param xAmount Horizontal amount
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*/
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void scrollX(int xAmount);
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/**
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* Scroll the screen vertically by a given amount
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* @param yAmount Vertical amount
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*/
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void scrollY(int yAmount);
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/**
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* Translates the pixels of an image used the passed palette with RGB mapping
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*/
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void translate(Common::Array<RGB6> &palette);
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/**
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* Translates the pixels of an image used the passed palette with RGB mapping
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*/
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void translate(byte map[PALETTE_COUNT]);
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/**
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* Create a new surface which is a flipped horizontal copy of the current one
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*/
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MSurface *flipHorizontal() const;
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/**
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* Copy an area from one surface to another, translating it using a palette
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* map as it's done
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*/
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void copyRectTranslate(MSurface &srcSurface, const byte *paletteMap,
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const Common::Point &destPos, const Common::Rect &srcRect);
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/**
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* Copys a sub-section of another surface into the current one.
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* @param src Source surface
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* @param destPos Destination position to draw in current surface
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* @param depth Depth of sprite
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* @param depthSurface Depth surface to use with sprite depth
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* @param scale Scale for image
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* @param flipped Flag for whether image is to be flipped
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* @param transparentColor Transparency palette index
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*/
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void copyFrom(MSurface &src, const Common::Point &destPos, int depth, DepthSurface *depthSurface,
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int scale, bool flipped, int transparentColor = -1);
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};
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class DepthSurface : public MSurface {
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public:
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/**
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* Depth style
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*/
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int _depthStyle;
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/**
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* Constructor
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*/
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DepthSurface() : MSurface(), _depthStyle(0) {}
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/**
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* Returns the depth at a given position
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*/
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int getDepth(const Common::Point &pt);
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/**
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*/
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int getDepthHighBit(const Common::Point &pt);
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};
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} // End of namespace MADS
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#endif /* MADS_MSURFACE_H */
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