Add sdlscreenshothelper.

1 files changed, 70 insertions, 0 deletions

diff --git a/src/resources/sdlscreenshothelper.cpp b/src/resources/sdlscreenshothelper.cpp
new file mode 100644
index 000000000..f194f93ed
--- /dev/null
+++ b/src/resources/sdlscreenshothelper.cpp
@@ -0,0 +1,70 @@
+/*
+ *  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/>.
+ */
+
+#include "resources/sdlscreenshothelper.h"
+
+#include "render/graphics.h"
+
+#include "utils/sdlcheckutils.h"
+
+#include <SDL_endian.h>
+
+#include "debug.h"
+
+SdlScreenshotHelper::SdlScreenshotHelper() :
+    ScreenshotHelper()
+{
+}
+
+SdlScreenshotHelper::~SdlScreenshotHelper()
+{
+}
+
+void SdlScreenshotHelper::prepare(const int width A_UNUSED,
+                                  const int height A_UNUSED)
+{
+}
+
+SDL_Surface *SdlScreenshotHelper::getScreenshot(const int width,
+                                                const int height)
+{
+#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,
+        width, height,
+        24,
+        rmask, gmask, bmask, amask);
+
+    if (screenshot)
+        SDL_BlitSurface(mainGraphics->mWindow, nullptr, screenshot, nullptr);
+
+    return screenshot;
+}