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/* Copyright (C) 2007-2008 The Android Open Source Project
**
** This software is licensed under the terms of the GNU General Public
** License version 2, as published by the Free Software Foundation, and
** may be copied, distributed, and modified under those terms.
**
** 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.
*/
#ifndef _ANDROID_SKIN_SCALER_H
#define _ANDROID_SKIN_SCALER_H
#include "android/skin/image.h"
typedef struct SkinScaler SkinScaler;
/* create a new image scaler. by default, it uses a scale of 1.0 */
extern SkinScaler* skin_scaler_create( void );
/* change the scale of a given scaler. returns 0 on success, or -1 in case of
* problem (unsupported scale) */
extern int skin_scaler_set( SkinScaler* scaler,
double scale,
double xDisp,
double yDisp );
/* retrieve the position of the scaled source rectangle 'srect' into 'drect'
* you can use the same pointer for both parameters. */
extern void skin_scaler_get_scaled_rect( SkinScaler* scaler,
SkinRect* srect,
SkinRect* drect );
extern void skin_scaler_free( SkinScaler* scaler );
extern void skin_scaler_scale( SkinScaler* scaler,
SDL_Surface* dst,
SDL_Surface* src,
int sx,
int sy,
int sw,
int sh );
#endif /* _ANDROID_SKIN_SCALER_H */
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