092c340a20
This removes all code specific to SH targets Change-Id: I7980523785d2596e65c06430f4638eec74a06061
121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Akio Idehara
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _RESIZE_H_
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#define _RESIZE_H_
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#include "config.h"
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#include "lcd.h"
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#include "inttypes.h"
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/****************************************************************
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* resize_on_load()
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*
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* resize bitmap on load with scaling
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*
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* If HAVE_LCD_COLOR then this func use smooth scaling algorithm
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* - downscaling both way use "Area Sampling"
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* if IMG_RESIZE_BILINER or IMG_RESIZE_NEAREST is NOT set
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* - otherwise "Bilinear" or "Nearest Neighbour"
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*
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* If !(HAVE_LCD_COLOR) then use simple scaling algorithm "Nearest Neighbour"
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*
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* return -1 for error
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****************************************************************/
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/* nothing needs the on-stack buffer right now */
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#define MAX_SC_STACK_ALLOC 0
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#define HAVE_UPSCALER 1
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#define SC_OUT(n, c) (((n) + (1 << 23)) >> 24)
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#ifndef SC_OUT
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#define SC_OUT(n, c) (sc_mul_u32_rnd(n, (c)->recip))
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#endif
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struct img_part {
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int len;
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#if !defined(HAVE_LCD_COLOR)
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uint8_t *buf;
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#else
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struct uint8_rgb* buf;
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#endif
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};
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#ifdef HAVE_LCD_COLOR
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/* intermediate type used by the scaler for color output. greyscale version
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uses uint32_t
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*/
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struct uint32_argb {
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uint32_t r;
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uint32_t g;
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uint32_t b;
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uint32_t a;
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};
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#endif
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/* struct which contains various parameters shared between vertical scaler,
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horizontal scaler, and row output
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*/
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struct scaler_context {
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uint32_t h_i_val;
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uint32_t h_o_val;
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uint32_t v_i_val;
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uint32_t v_o_val;
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struct bitmap *bm;
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struct dim *src;
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unsigned char *buf;
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bool dither;
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int len;
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void *args;
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struct img_part* (*store_part)(void *);
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void (*output_row)(uint32_t,void*,struct scaler_context*);
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bool (*h_scaler)(void*,struct scaler_context*, bool);
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};
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#if defined(HAVE_LCD_COLOR)
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#define IF_PIX_FMT(...) __VA_ARGS__
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#else
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#define IF_PIX_FMT(...)
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#endif
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struct custom_format {
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void (*output_row_8)(uint32_t,void*, struct scaler_context*);
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#if defined(HAVE_LCD_COLOR)
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void (*output_row_32[2])(uint32_t,void*, struct scaler_context*);
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#else
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void (*output_row_32)(uint32_t,void*, struct scaler_context*);
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#endif
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unsigned int (*get_size)(struct bitmap *bm);
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};
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struct rowset;
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extern const struct custom_format format_native;
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int recalc_dimension(struct dim *dst, struct dim *src);
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int resize_on_load(struct bitmap *bm, bool dither,
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struct dim *src, struct rowset *tmp_row,
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unsigned char *buf, unsigned int len,
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const struct custom_format *cformat,
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IF_PIX_FMT(int format_index,)
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struct img_part* (*store_part)(void *args),
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void *args);
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#endif /* _RESIZE_H_ */
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