70 lines
2.9 KiB
C
70 lines
2.9 KiB
C
/* *****************************************************************************
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* libg1m/picture.h -- libg1m picture formats.
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* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
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*
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* This file is part of libg1m.
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* libg1m is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3.0 of the License,
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* or (at your option) any later version.
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*
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* libg1m 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.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libg1m; if not, see <http://www.gnu.org/licenses/>.
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* ************************************************************************** */
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#ifndef LIBG1M_PICTURE_H
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# define LIBG1M_PICTURE_H
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/* ************************************************************************** */
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/* Picture formats */
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/* ************************************************************************** */
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/* picture format */
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typedef int g1m_pictureformat_t;
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# define g1m_pictureformat_1bit 0x0100
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# define g1m_pictureformat_1bit_r 0x0101
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# define g1m_pictureformat_1bit_packed 0x0110
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# define g1m_pictureformat_1bit_packed_r 0x0111
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# define g1m_pictureformat_1bit_packed_old 0x0120
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# define g1m_pictureformat_2bit_dual 0x0200
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# define g1m_pictureformat_4bit_rgb 0x0400
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# define g1m_pictureformat_4bit_code 0x0410
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# define g1m_pictureformat_4bit_color 0x0420
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# define g1m_pictureformat_4bit_mono 0x0430
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# define g1m_pictureformat_16bit 0x1000
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/* ************************************************************************** */
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/* Picture sizes */
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/* ************************************************************************** */
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# define g1m_picturesize_1bit(W, H) \
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((((W) / 8) + !!((W) % 8)) * (H))
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# define g1m_picturesize_1bit_packed(W, H) \
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((W) * (H) / 8)
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# define g1m_picturesize_1bit_packed_r(W, H) \
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g1m_picturesize_1bit_packed(W, H)
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# define g1m_picturesize_1bit_packed_old(W, H) \
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g1m_picturesize_1bit_packed(W, H)
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# define g1m_picturesize_4bit_color(W, H) \
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(4 * g1m_picturesize_1bit_packed_old(W, H))
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# define g1m_picturesize_4bit_mono(W, H) \
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g1m_picturesize_4bit_color(W, H)
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# define g1m_picturesize_2bit_dual(W, H) \
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(((W) * (H) / 4) * 2)
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# define g1m_picturesize_4bit(W, H) \
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((W) * (H) / 2)
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# define g1m_picturesize_4bit_rgb(W, H) \
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g1m_picturesize_4bit(W, H)
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# define g1m_picturesize_4bit_code(W, H) \
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g1m_picturesize_4bit(W, H)
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# define g1m_picturesize_16bit(W, H) \
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((W) * (H) * 2)
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#endif /* LIBG1M_PICTURE_H */
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