mirror of
https://github.com/devinacker/bsnes-plus.git
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87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
//
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// Copyright (C) 2008 by sinamas <sinamas at users.sourceforge.net>
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//
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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 General Public License version 2 as
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// published by the Free Software Foundation.
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//
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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 General Public License version 2 for more details.
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//
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// You should have received a copy of the GNU General Public License
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// version 2 along with this program; if not, write to the
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// Free Software Foundation, Inc.,
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// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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#ifndef BITMAP_FONT_H
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#define BITMAP_FONT_H
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#include "gbint.h"
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#include <cstddef>
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namespace bitmapfont {
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enum Char {
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NUL,
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N0, N1, N2, N3, N4, N5, N6, N7, N8, N9,
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A, B, C, D, E, F, G, H, I, J, K, L, M,
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N, O, P, Q, R, S, T, U, V, W, X, Y, Z,
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a, b, c, d, e, f, g, h, i, j, k, l, m,
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n, o, p, q, r, s, t, u, v, w, x, y, z,
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SPC
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};
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enum { HEIGHT = 10 };
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enum { MAX_WIDTH = 9 };
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enum { NUMBER_WIDTH = 6 };
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std::size_t getWidth(char const *chars);
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// struct Fill { void operator()(RandomAccessIterator dest, std::ptrdiff_t pitch) { fill pixels at dest } }
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template<class RandomAccessIterator, class Fill>
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void print(RandomAccessIterator dest, std::ptrdiff_t pitch, Fill fill, char const *chars);
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void print(gambatte::uint_least32_t *dest, std::ptrdiff_t pitch, unsigned long color, char const *chars);
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void utoa(unsigned u, char *a);
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// --- INTERFACE END ---
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extern unsigned char const *const font[];
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template<class RandomAccessIterator, class Fill>
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void print(RandomAccessIterator dest, std::ptrdiff_t const pitch, Fill fill, char const *chars) {
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while (int const character = *chars++) {
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RandomAccessIterator dst = dest;
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unsigned char const *s = font[character];
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unsigned const width = *s >> 4;
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unsigned h = *s++ & 0xF;
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while (h--) {
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RandomAccessIterator d = dst;
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unsigned line = *s++;
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if (width > 8)
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line |= *s++ << 8;
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while (line) {
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if (line & 1)
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fill(d, pitch);
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line >>= 1;
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++d;
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}
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dst += pitch;
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}
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dest += width;
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}
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}
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}
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#endif
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