/* * The ManaPlus Client * Copyright (C) 2004-2009 The Mana World Development Team * Copyright (C) 2009-2010 The Mana Developers * Copyright (C) 2011-2014 The ManaPlus Developers * * This file is part of The ManaPlus Client. * * 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 * 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, see . */ /* _______ __ __ __ ______ __ __ _______ __ __ * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ * * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson * * * Per Larsson a.k.a finalman * Olof Naessén a.k.a jansem/yakslem * * Visit: http://guichan.sourceforge.net * * License: (BSD) * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name of Guichan nor the names of its contributors may * be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef RENDER_GRAPHICS_H #define RENDER_GRAPHICS_H #include "SDL_video.h" #include "sdlshared.h" #include "gui/color.h" #include "render/renderers.h" #include "gui/cliprectangle.h" #ifdef USE_SDL2 #include #endif #include #include "localconsts.h" class Image; class ImageCollection; class ImageVertexes; struct SDL_Window; static const int defaultScreenWidth = 800; static const int defaultScreenHeight = 600; /** * 9 images defining a rectangle. 4 corners, 4 sides and a middle area. The * topology is as follows: * *
 *  !-----!-----------------!-----!
 *  !  0  !        1        !  2  !
 *  !-----!-----------------!-----!
 *  !  3  !        4        !  5  !
 *  !-----!-----------------!-----!
 *  !  6  !        7        !  8  !
 *  !-----!-----------------!-----!
 * 
* * Sections 0, 2, 6 and 8 will remain as is. 1, 3, 4, 5 and 7 will be * repeated to fit the size of the widget. */ class ImageRect final { public: ImageRect() { for (int f = 0; f < 9; f ++) grid[f] = nullptr; } A_DELETE_COPY(ImageRect) enum ImagePosition { UPPER_LEFT = 0, UPPER_CENTER = 1, UPPER_RIGHT = 2, LEFT = 3, CENTER = 4, RIGHT = 5, LOWER_LEFT = 6, LOWER_CENTER = 7, LOWER_RIGHT = 8 }; Image *grid[9]; }; /** * A central point of control for graphics. */ class Graphics { public: A_DELETE_COPY(Graphics) /** * Destructor. */ virtual ~Graphics(); /** * Alignments for text drawing. */ enum Alignment { LEFT = 0, CENTER, RIGHT }; void setWindow(SDL_Window *const window, const int width, const int height) { mWindow = window; mRect.w = width; mRect.h = height; } SDL_Window *getWindow() const { return mWindow; } /** * Sets whether vertical refresh syncing is enabled. Takes effect after * the next call to setVideoMode(). Only implemented on MacOS for now. */ void setSync(const bool sync); bool getSync() const A_WARN_UNUSED { return mSync; } /** * Try to create a window with the given settings. */ virtual bool setVideoMode(const int w, const int h, const int scale, const int bpp, const bool fs, const bool hwaccel, const bool resize, const bool noFrame) = 0; /** * Set fullscreen mode. */ bool setFullscreen(const bool fs); /** * Resize the window to the specified size. */ virtual bool resizeScreen(const int width, const int height); /** * Draws a resclaled version of the image */ virtual bool drawRescaledImage(const Image *const image, int dstX, int dstY, const int desiredWidth, const int desiredHeight) = 0; virtual void drawPattern(const Image *const image, const int x, const int y, const int w, const int h) = 0; /** * Draw a pattern based on a rescaled version of the given image... */ virtual void drawRescaledPattern(const Image *const image, const int x, const int y, const int w, const int h, const int scaledWidth, const int scaledHeight) = 0; virtual void drawImageRect(const int x, const int y, const int w, const int h, const ImageRect &imgRect) = 0; virtual void calcPattern(ImageVertexes *const vert, const Image *const image, const int x, const int y, const int w, const int h) const = 0; virtual void calcPattern(ImageCollection *const vert, const Image *const image, const int x, const int y, const int w, const int h) const = 0; virtual void calcTileVertexes(ImageVertexes *const vert, const Image *const image, int x, int y) const = 0; virtual void calcTileSDL(ImageVertexes *const vert A_UNUSED, int x A_UNUSED, int y A_UNUSED) const { } virtual void drawTileVertexes(const ImageVertexes *const vert) = 0; virtual void drawTileCollection(const ImageCollection *const vertCol) = 0; virtual void calcTileCollection(ImageCollection *const vertCol, const Image *const image, int x, int y) = 0; virtual void calcWindow(ImageCollection *const vertCol, const int x, const int y, const int w, const int h, const ImageRect &imgRect) = 0; virtual void fillRectangle(const Rectangle& rectangle) = 0; /** * Updates the screen. This is done by either copying the buffer to the * screen or swapping pages. */ virtual void updateScreen() = 0; void setWindowSize(const int width, const int height); /** * Returns the width of the screen. */ int getWidth() const A_WARN_UNUSED; /** * Returns the height of the screen. */ int getHeight() const A_WARN_UNUSED; /** * Takes a screenshot and returns it as SDL surface. */ virtual SDL_Surface *getScreenshot() A_WARN_UNUSED = 0; virtual void prepareScreenshot() { } int getMemoryUsage() const A_WARN_UNUSED; virtual bool drawNet(const int x1, const int y1, const int x2, const int y2, const int width, const int height); ClipRectangle &getTopClip() A_WARN_UNUSED { return mClipStack.top(); } void setRedraw(const bool n) { mRedraw = n; } bool getRedraw() const A_WARN_UNUSED { return mRedraw; } void setSecure(const bool n) { mSecure = n; } bool getSecure() const A_WARN_UNUSED { return mSecure; } int getBpp() const A_WARN_UNUSED { return mBpp; } bool getFullScreen() const A_WARN_UNUSED { return mFullscreen; } bool getHWAccel() const A_WARN_UNUSED { return mHWAccel; } bool getDoubleBuffer() const A_WARN_UNUSED { return mDoubleBuffer; } RenderType getOpenGL() const A_WARN_UNUSED { return mOpenGL; } void setNoFrame(const bool n) { mNoFrame = n; } const std::string &getName() const A_WARN_UNUSED { return mName; } virtual void initArrays() { } virtual void setColor(const Color &color) { mColor = color; mColor2 = color; mAlpha = (color.a != 255); } void setColor2(const Color &color) { mColor2 = color; } void setColorAll(const Color &color, const Color &color2) { mColor = color; mColor2 = color2; mAlpha = (color.a != 255); } const Color &getColor() const { return mColor; } const Color &getColor2() const { return mColor2; } #ifdef DEBUG_DRAW_CALLS virtual unsigned int getDrawCalls() const { return 0; } #endif #ifdef DEBUG_BIND_TEXTURE virtual unsigned int getBinds() const { return 0; } #endif #ifdef USE_SDL2 void dumpRendererInfo(const char *const str, const SDL_RendererInfo &info); virtual void setRendererFlags(const uint32_t flags A_UNUSED) { } #endif /** * Blits an image onto the screen. * * @return true if the image was blitted properly * false otherwise. */ virtual bool drawImage(const Image *const image, int dstX, int dstY) = 0; virtual void drawImageCached(const Image *const image, int srcX, int srcY) = 0; virtual void drawPatternCached(const Image *const image, const int x, const int y, const int w, const int h) = 0; virtual void completeCache() = 0; int getScale() const { return mScale; } virtual bool isAllowScale() const { return false; } void setScale(int scale); /** * Pushes a clip area onto the stack. The x and y coordinates in the * rectangle is relative to the last pushed clip area. * If the new area falls outside the current clip area, it will be * clipped as necessary. * * If a clip area is outside of the top clip area a clip area with * zero width and height will be pushed. * * @param area The clip area to be pushed onto the stack. * @return False if the the new area lays outside the current clip * area. */ virtual bool pushClipArea(Rectangle area); /** * Removes the top most clip area from the stack. * * @throws Exception if the stack is empty. */ virtual void popClipArea(); /** * Ddraws a line. * * @param x1 The first x coordinate. * @param y1 The first y coordinate. * @param x2 The second x coordinate. * @param y2 The second y coordinate. */ virtual void drawLine(int x1, int y1, int x2, int y2) = 0; /** * Draws a simple, non-filled, rectangle with a one pixel width. * * @param rectangle The rectangle to draw. */ virtual void drawRectangle(const Rectangle &rectangle) = 0; /** * Gets the current clip area. Usefull if you want to do drawing * bypassing Graphics. * * @return The current clip area. */ virtual const ClipRectangle *getCurrentClipArea() const; /** * Draws a single point/pixel. * * @param x The x coordinate. * @param y The y coordinate. */ virtual void drawPoint(int x, int y) = 0; /** * Initializes drawing. Called by the Gui when Gui::draw() is called. * It is needed by some implementations of Graphics to perform * preparations before drawing. An example of such an implementation * is the OpenGLGraphics. * * NOTE: You will never need to call this function yourself, unless * you use a Graphics object outside of Guichan. * * @see _endDraw, Gui::draw */ virtual void _beginDraw() { } /** * Deinitializes drawing. Called by the Gui when a Gui::draw() is done. * done. It should reset any state changes made by _beginDraw(). * * NOTE: You will never need to call this function yourself, unless * you use a Graphics object outside of Guichan. * * @see _beginDraw, Gui::draw */ virtual void _endDraw() { } int mWidth; int mHeight; int mActualWidth; int mActualHeight; protected: /** * Constructor. */ Graphics(); void setMainFlags(const int w, const int h, const int scale, const int bpp, const bool fs, const bool hwaccel, const bool resize, const bool noFrame); int getOpenGLFlags() const A_WARN_UNUSED; int getSoftwareFlags() const A_WARN_UNUSED; bool setOpenGLMode(); void updateMemoryInfo(); bool videoInfo(); /** * Holds the clip area stack. */ std::stack mClipStack; SDL_Window *mWindow; #ifdef USE_SDL2 SDL_Renderer *mRenderer; #ifdef USE_OPENGL SDL_GLContext mGLContext; #endif #endif int mBpp; bool mAlpha; bool mFullscreen; bool mHWAccel; bool mRedraw; bool mDoubleBuffer; SDL_Rect mRect; bool mSecure; RenderType mOpenGL; bool mEnableResize; bool mNoFrame; std::string mName; int mStartFreeMem; bool mSync; int mScale; Color mColor; Color mColor2; }; extern Graphics *mainGraphics; #endif // RENDER_GRAPHICS_H