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rl_text.c3
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rl_text.c3
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module rl;
import std::collections;
//------------------------------------------------------------------------------------
// Font Loading and Text Drawing Functions (Module: text)
//------------------------------------------------------------------------------------
// Font loading/unloading functions
//------------------------------------------------------------------------------------
/**
* Get the default Font
*/
extern fn Font get_font_default() @extern("GetFontDefault");
/**
* Load font from file into GPU memory (VRAM)
*/
extern fn Font load_font(ZString file_name) @extern("LoadFont");
/**
* Load font from file with extended parameters, use NULL for codepoints and 0 for codepointCount to load the default character set
*/
extern fn Font load_font_ex(ZString file_name, int font_size, int *codepoints, int codepoint_count) @extern("LoadFontEx");
/**
* Load font from Image (XNA style)
*/
extern fn Font load_font_from_image(Image image, Color key, int first_char) @extern("LoadFontFromImage");
/**
* Load font from memory buffer, fileType refers to extension: i.e. '.ttf'
*/
extern fn Font load_font_from_memory(ZString file_type, ZString file_data, int data_size, int fontSize, int *codepoints, int codepoint_count) @extern("LoadFontFromMemory");
/**
* Check if a font is ready
*/
extern fn bool is_font_ready(Font font) @extern("IsFontReady");
// TODO: review
/**
* Load font data for further use
*/
extern fn GlyphInfo* load_font_data(ZString file_data, int data_size, int font_size, int *codepoints, int codepoint_count, FontType type) @extern("LoadFontData");
// TODO: glyphs/glyph_count as List(<GlyphInfo>)
/**
* Generate image font atlas using chars info
*/
extern fn Image gen_image_font_atlas(GlyphInfo* glyphs, Rectangle **glyph_recs, int glyph_count, int fontSize, int padding, int pack_method) @extern("GenImageFontAtlas");
/**
* Unload font chars info data (RAM)
*/
fn void unload_font_data(List(<GlyphInfo>) glyphs) @inline {
__unload_font_data(glyphs.entries, (int)glyphs.len());
}
/**
* Unload font from GPU memory (VRAM)
*/
extern fn void unload_font(Font font) @extern("UnloadFont");
/**
* Export font as code file, returns true on success
*/
extern fn bool export_font_as_code(Font font, ZString file_name) @extern("ExportFontAsCode");
// Text drawing functions
//------------------------------------------------------------------------------------
/**
* Draw current FPS
*/
extern fn void draw_fps(int pos_x, int pos_y) @extern("DrawFPS");
/**
* Draw text (using default font)
*/
extern fn void draw_text(ZString text, int pos_x, int pos_y, int font_size, Color color) @extern("DrawText");
/**
* Draw text using font and additional parameters
*/
extern fn void draw_text_ex(Font font, ZString text, Vector2 position, float font_size, float spacing, Color tint) @extern("DrawTextEx");
/**
* Draw text using Font and pro parameters (rotation)
*/
extern fn void draw_text_pro(Font font, ZString text, Vector2 position, Vector2 origin, float rotation, float font_size, float spacing, Color tint) @extern("DrawTextPro");
/**
* Draw one character (codepoint)
*/
extern fn void draw_text_codepoint(Font font, int codepoint, Vector2 position, float font_size, Color tint) @extern("DrawTextCodepoint");
/**
* Draw multiple character (codepoint)
*/
extern fn void draw_text_codepoints(Font font, int* codepoints, int codepoint_count, Vector2 position, float font_size, float spacing, Color tint) @extern("DrawTextCodepoints");
// Text font info functions
//------------------------------------------------------------------------------------
/**
* Set vertical line spacing when drawing with line-breaks
*/
extern fn void set_text_line_spacing(int spacing) @extern("SetTextLineSpacing");
/**
* Measure string width for default font
*/
extern fn int measure_text(ZString text, int font_size) @extern("MeasureText");
/**
* Measure string size for Font
*/
extern fn Vector2 measure_text_ex(Font font, ZString text, float font_size, float spacing) @extern("MeasureTextEx");
/**
* Get glyph index position in font for a codepoint (unicode character), fallback to '?' if not found
*/
extern fn int get_glyph_index(Font font, int codepoint) @extern("GetGlyphIndex");
/**
* Get glyph font info data for a codepoint (unicode character), fallback to '?' if not found
*/
extern fn GlyphInfo get_glyph_info(Font font, int codepoint) @extern("GetGlyphInfo");
/**
* Get glyph rectangle in font atlas for a codepoint (unicode character), fallback to '?' if not found
*/
extern fn Rectangle get_glyph_atlas_rec(Font font, int codepoint) @extern("GetGlyphAtlasRec");