nappgui-sys 0.2.0

Rust raw bindings to NAppGUI
Documentation 
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/*
 * NAppGUI Cross-platform C SDK
 * 2015-2025 Francisco Garcia Collado
 * MIT Licence
 * https://nappgui.com/en/legal/license.html
 *
 * File: draw2d.inl
 *
 */

/* Operating system 2D drawing support */

#include "draw2d.ixx"

__EXTERN_C

uint32_t _draw2d_register_font(const char_t *font_family);

const char_t *_draw2d_font_family(const uint32_t family);

color_t _draw2d_get_indexed_color(const uint16_t index);

void _draw2d_extents_imp(void *data, FPtr_word_extents func_word_extents, const bool_t newlines, const char_t *str, const real32_t refwidth, real32_t *width, real32_t *height);

const char_t *_draw2d_monospace_family(const char_t **desired_fonts, const uint32_t n);

const char_t *_draw2d_get_preferred_monospace(void);

const char_t *_draw2d_str_avg_char_width(uint32_t *len);

__END_C

#define _draw2d_extents(data, func_word_extents, newlines, str, refwidth, width, height, type) \

    ((void)(cast(data, type) == (data)), \
     FUNC_CHECK_WORD_EXTENTS(func_word_extents, type), \
     _draw2d_extents_imp(cast(data, void), (FPtr_word_extents)func_word_extents, newlines, str, refwidth, width, height))