Add sdl2softwarescreenshothelper.

1 files changed, 79 insertions, 0 deletions

diff --git a/src/resources/sdl2softwarescreenshothelper.cpp b/src/resources/sdl2softwarescreenshothelper.cpp
new file mode 100644
index 000000000..df797d7e7
--- /dev/null
+++ b/src/resources/sdl2softwarescreenshothelper.cpp
@@ -0,0 +1,79 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2015  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/>.
+ */
+
+#ifdef USE_SDL2
+
+#include "resources/sdl2softwarescreenshothelper.h"
+
+#include "render/graphics.h"
+#include "render/sdl2softwaregraphics.h"
+
+#include "utils/sdlcheckutils.h"
+
+#include <SDL_endian.h>
+
+#include "debug.h"
+
+Sdl2SoftwareScreenshotHelper::Sdl2SoftwareScreenshotHelper() :
+    ScreenshotHelper()
+{
+}
+
+Sdl2SoftwareScreenshotHelper::~Sdl2SoftwareScreenshotHelper()
+{
+}
+
+void Sdl2SoftwareScreenshotHelper::prepare()
+{
+}
+
+SDL_Surface *Sdl2SoftwareScreenshotHelper::getScreenshot()
+{
+    if (!mainGraphics)
+        return nullptr;
+
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+    const int rmask = 0xff000000;
+    const int gmask = 0x00ff0000;
+    const int bmask = 0x0000ff00;
+#else
+    const int rmask = 0x000000ff;
+    const int gmask = 0x0000ff00;
+    const int bmask = 0x00ff0000;
+#endif
+    const int amask = 0x00000000;
+
+    SDL_Surface *const screenshot = MSDL_CreateRGBSurface(SDL_SWSURFACE,
+        mainGraphics->mWidth, mainGraphics->mHeight,
+        24,
+        rmask, gmask, bmask, amask);
+
+    if (screenshot)
+    {
+        SDL_BlitSurface(static_cast<SDL2SoftwareGraphics*>(
+            mainGraphics)->mSurface, nullptr, screenshot, nullptr);
+    }
+
+    return screenshot;
+}
+
+#endif  // USE_SDL2