63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
/*
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* gl_font.h
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*
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* Basic OpenGL font rendering
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*
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* Copyright (C) 2013-2021 Sylvain Munaut
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#pragma once
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/*! \defgroup gl/font
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* @{
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*/
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/*! \file gl_font.h
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* \brief Basic OpenGL font rendering
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*/
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#ifdef _MSC_VER
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# define ATTR_FORMAT(a,b,c)
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#else
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# define ATTR_FORMAT(a,b,c) __attribute__((format(a,b,c)))
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#endif
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struct gl_font;
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#define GLF_FLG_LCD (1 << 0)
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enum glf_align
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{
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GLF_LEFT,
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GLF_RIGHT,
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GLF_TOP,
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GLF_BOTTOM,
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GLF_CENTER,
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};
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struct gl_font *glf_alloc(int height, int flags);
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void glf_free(struct gl_font *glf);
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int glf_load_face_file(struct gl_font *glf, const char *filename);
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int glf_load_face_mem(struct gl_font *glf, const void *data, size_t len);
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float glf_width_str(const struct gl_font *glf, const char *str);
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void glf_draw_str(const struct gl_font *glf,
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float x, enum glf_align x_align,
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float y, enum glf_align y_align,
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const char *str);
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void glf_printf(const struct gl_font *glf,
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float x, enum glf_align x_align,
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float y, enum glf_align y_align,
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const char *fmt, ...) ATTR_FORMAT(printf, 6, 7);
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void glf_begin(const struct gl_font *glf, float fg_color[3]);
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void glf_end(void);
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/*! @} */
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