forked from Mirrorlandia_minetest/minetest
53 lines
2.2 KiB
C
53 lines
2.2 KiB
C
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/*
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Copyright (C) 2015 Aaron Suen <warr1024@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _GUI_SCALING_FILTER_H_
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#define _GUI_SCALING_FILTER_H_
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#include "irrlichttypes_extrabloated.h"
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/* Manually insert an image into the cache, useful to avoid texture-to-image
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* conversion whenever we can intercept it.
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*/
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void guiScalingCache(io::path key, video::IVideoDriver *driver, video::IImage *value);
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// Manually clear the cache, e.g. when switching to different worlds.
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void guiScalingCacheClear(video::IVideoDriver *driver);
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/* Get a cached, high-quality pre-scaled texture for display purposes. If the
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* texture is not already cached, attempt to create it. Returns a pre-scaled texture,
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* or the original texture if unable to pre-scale it.
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*/
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video::ITexture *guiScalingResizeCached(video::IVideoDriver *driver, video::ITexture *src,
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const core::rect<s32> &srcrect, const core::rect<s32> &destrect);
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/* Convenience wrapper for guiScalingResizeCached that accepts parameters that
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* are available at GUI imagebutton creation time.
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*/
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video::ITexture *guiScalingImageButton(video::IVideoDriver *driver, video::ITexture *src,
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s32 width, s32 height);
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/* Replacement for driver->draw2DImage() that uses the high-quality pre-scaled
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* texture, if configured.
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*/
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void draw2DImageFilterScaled(video::IVideoDriver *driver, video::ITexture *txr,
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const core::rect<s32> &destrect, const core::rect<s32> &srcrect,
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const core::rect<s32> *cliprect = 0, const video::SColor *const colors = 0,
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bool usealpha = false);
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#endif
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