/* * The ManaPlus Client * Copyright (C) 2004-2009 The Mana World Development Team * Copyright (C) 2009-2010 The Mana Developers * Copyright (C) 2011-2013 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 . */ #ifndef RENDER_GRAPHICS_H #define RENDER_GRAPHICS_H #include "SDL_video.h" #include "sdlshared.h" #include "render/renderers.h" #include #include #ifdef USE_SDL2 #include #endif #include "localconsts.h" class Image; class ImageCollection; class ImageVertexes; struct SDL_Window; static const int defaultScreenWidth = 800; static const int defaultScreenHeight = 600; #define DRAW_IMAGE(graphics, image, x, y) \ { \ if (image) \ { \ (graphics)->drawImage2(image, 0, 0, x, y, \ (image)->mBounds.w, (image)->mBounds.h, false); \ } \ } /** * 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 gcn::Graphics { public: A_DELETE_COPY(Graphics) /** * Destructor. */ virtual ~Graphics(); 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 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); /** * Blits an image onto the screen. * * @return true if the image was blitted properly * false otherwise. */ bool drawImage(const Image *image, int x, int y); // override unused abstract function void drawImage(const gcn::Image* image A_UNUSED, int srcX A_UNUSED, int srcY A_UNUSED, int dstX A_UNUSED, int dstY A_UNUSED, int width A_UNUSED, int height A_UNUSED) override { } /** * Draws a resclaled version of the image */ virtual bool drawRescaledImage(const Image *const image, int srcX, int srcY, int dstX, int dstY, const int width, const int height, const int desiredWidth, const int desiredHeight, const bool useColor = false) = 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; /** * Draws a rectangle using images. 4 corner images, 4 side images and 1 * image for the inside. */ void drawImageRect(const int x, const int y, const int w, const int h, const Image *const topLeft, const Image *const topRight, const Image *const bottomLeft, const Image *const bottomRight, const Image *const top, const Image *const right, const Image *const bottom, const Image *const left, const Image *const center); /** * Draws a rectangle using images. 4 corner images, 4 side images and 1 * image for the inside. */ void drawImageRect(int x, int y, int w, int h, const ImageRect &imgRect); bool calcImageRect(ImageVertexes *const vert, const int x, const int y, const int w, const int h, const Image *const topLeft, const Image *const topRight, const Image *const bottomLeft, const Image *const bottomRight, const Image *const top, const Image *const right, const Image *const bottom, const Image *const left, const Image *const center); 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 bool calcWindow(ImageCollection *const vertCol, const int x, const int y, const int w, const int h, const ImageRect &imgRect) = 0; /** * Draws a rectangle using images. 4 corner images, 4 side images and 1 * image for the inside. */ inline void drawImageRect(const gcn::Rectangle &area, const ImageRect &imgRect) { drawImageRect(area.x, area.y, area.width, area.height, imgRect); } virtual void fillRectangle(const gcn::Rectangle& rectangle) override = 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); const gcn::Font *getFont() const A_WARN_UNUSED { return mFont; } gcn::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() { } void setColor(const gcn::Color &color) override { mColor = color; mColor2 = color; mAlpha = (color.a != 255); } void setColor2(const gcn::Color &color) { mColor2 = color; } void setColorAll(const gcn::Color &color, const gcn::Color &color2) { mColor = color; mColor2 = color2; mAlpha = (color.a != 255); } const gcn::Color &getColor() const override { return mColor; } const gcn::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 drawImage2(const Image *const image, int srcX, int srcY, int dstX, int dstY, const int width, const int height, const bool useColor) = 0; int mWidth; int mHeight; protected: /** * Constructor. */ Graphics(); void setMainFlags(const int w, const int h, 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(); 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; gcn::Color mColor; gcn::Color mColor2; }; extern Graphics *mainGraphics; #endif // RENDER_GRAPHICS_H