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author | Bertram <bertram@cegetel.net> | 2009-07-24 22:59:13 +0200 |
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committer | Bertram <bertram@cegetel.net> | 2009-07-24 22:59:13 +0200 |
commit | 8195e73cb801d56240beb966554a864729d9f20c (patch) | |
tree | f2a00036d15eaf70cb9abe4930b4199b1e5eae05 /src/resources/sdlrescalefacility.h | |
parent | ea6f492198a03cffc3be47df000fa16dfc3b262f (diff) | |
download | mana-8195e73cb801d56240beb966554a864729d9f20c.tar.gz mana-8195e73cb801d56240beb966554a864729d9f20c.tar.bz2 mana-8195e73cb801d56240beb966554a864729d9f20c.tar.xz mana-8195e73cb801d56240beb966554a864729d9f20c.zip |
Made the wallpaper be rescaled when necessary under SDL and OpenGL.
The SDL methods to rescale the wallpaper has been optimized to permit rescaling
at load time while OpenGL draws directly rescaled. Does someone know how to smooth
the rescaled image under OpenGL?
Diffstat (limited to 'src/resources/sdlrescalefacility.h')
-rw-r--r-- | src/resources/sdlrescalefacility.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/resources/sdlrescalefacility.h b/src/resources/sdlrescalefacility.h new file mode 100644 index 00000000..597e6933 --- /dev/null +++ b/src/resources/sdlrescalefacility.h @@ -0,0 +1,52 @@ +/* + * The Mana World + * Copyright (C) 2004 The Mana World Development Team + * + * This file is part of The Mana World. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the Low 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Source code taken from: + * + * SDL_rotozoom - rotozoomer + * + * LGPL (c) A. Schiffler + * + */ + +#ifndef SDLRESCALEFACILITY_H +#define SDLRESCALEFACILITY_H + +#include <SDL.h> +#include "image.h" + +/** + * _SDLzoomSurface is internally used by Image::getScaledImage() to provide + * a rescaled copy of its internal mImage member. + * + * @see Image::getScaledImage() for more details + * + * @param src the original surface to rescale + * @param zoomx the zoom factor used to rescale the surface horizontally. 1.0 doesn't rescale. + * A value lesser than 1.O shrink the image. + * @param zoomy the zoom factor used to rescale the surface vertically. + * @param smooth transform the scaled surface into a 32bit aliased image to smooth the rescaling. + * + * @return SDL_Surface The rescaled surface. + */ + +SDL_Surface *_SDLzoomSurface(SDL_Surface * src, double zoomx, double zoomy, int smooth); + +#endif
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