add software renderer for SDL2.

before it used default renderer with software flags.

1 files changed, 157 insertions, 0 deletions

diff --git a/src/render/sdl2softwaregraphics.h b/src/render/sdl2softwaregraphics.h
new file mode 100644
index 000000000..7ddba5018
--- /dev/null
+++ b/src/render/sdl2softwaregraphics.h
@@ -0,0 +1,157 @@
+/*
+ *  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 <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SDL2SOFTWAREGRAPHICS_H
+#define SDL2SOFTWAREGRAPHICS_H
+
+#ifdef USE_SDL2
+
+#include "render/graphics.h"
+
+#include "localconsts.h"
+
+class Image;
+class ImageCollection;
+class ImageVertexes;
+class MapLayer;
+
+struct SDL_Surface;
+
+/**
+ * A central point of control for graphics.
+ */
+class SDL2SoftwareGraphics : public Graphics
+{
+    public:
+        /**
+         * Constructor.
+         */
+        SDL2SoftwareGraphics();
+
+        A_DELETE_COPY(SDL2SoftwareGraphics)
+
+        /**
+         * Destructor.
+         */
+        virtual ~SDL2SoftwareGraphics();
+
+        void _beginDraw();
+
+        void _endDraw();
+
+        bool pushClipArea(gcn::Rectangle rect);
+
+        void popClipArea();
+
+        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);
+
+        virtual void drawImagePattern(const Image *const image,
+                                      const int x, const int y,
+                                      const int w, const int h);
+
+        virtual void drawRescaledImagePattern(const Image *const image,
+                                              const int x, const int y,
+                                              const int w, const int h,
+                                              const int scaledWidth,
+                                              const int scaledHeight);
+
+        virtual void calcImagePattern(ImageVertexes *const vert,
+                                      const Image *const image,
+                                      const int x, const int y,
+                                      const int w, const int h) const;
+
+        virtual void calcImagePattern(ImageCollection *const vert,
+                                      const Image *const image,
+                                      const int x, const int y,
+                                      const int w, const int h) const;
+
+        virtual void calcTile(ImageVertexes *const vert,
+                              const Image *const image, int x, int y) const;
+
+        virtual void calcTileSDL(ImageVertexes *const vert,
+                                 int x, int y) const;
+
+        virtual void calcTile(ImageCollection *const vertCol,
+                              const Image *const image,
+                              int x, int y);
+
+        virtual void drawTile(const ImageVertexes *const vert);
+
+        virtual void drawTile(const ImageCollection *const vertCol);
+
+        virtual void updateScreen();
+
+        virtual SDL_Surface *getScreenshot() A_WARN_UNUSED;
+
+        virtual bool drawNet(const int x1, const int y1,
+                             const int x2, const int y2,
+                             const int width, const int height);
+
+        virtual bool calcWindow(ImageCollection *const vertCol,
+                                const int x, const int y,
+                                const int w, const int h,
+                                const ImageRect &imgRect);
+
+        void fillRectangle(const gcn::Rectangle &rect) override;
+
+        void drawRectangle(const gcn::Rectangle &rect) override;
+
+        void drawPoint(int x, int y) override;
+
+        void drawLine(int x1, int y1, int x2, int y2) override;
+
+        bool setVideoMode(const int w, const int h, const int bpp,
+                          const bool fs, const bool hwaccel,
+                          const bool resize, const bool noFrame);
+
+        void setRendererFlags(const uint32_t flags)
+        { mRendererFlags = flags; }
+
+    protected:
+        virtual bool drawImage2(const Image *const image,
+                                int srcX, int srcY,
+                                int dstX, int dstY,
+                                const int width, const int height,
+                                const bool useColor);
+
+        int SDL_FakeUpperBlit(const SDL_Surface *const src,
+                              SDL_Rect *const srcrect,
+                              const SDL_Surface *const dst,
+                              SDL_Rect *dstrect) const;
+
+        void drawHLine(int x1, int y, int x2);
+
+        void drawVLine(int x, int y1, int y2);
+
+        uint32_t mRendererFlags;
+        SDL_Surface *mSurface;
+        uint32_t mOldPixel;
+        int mOldAlpha;
+};
+
+#endif  // USE_SDL2
+#endif  // SDL2SOFTWAREGRAPHICS_H