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shan
184
library/sdl3_ttf/sdl3_ttf.odin
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184
library/sdl3_ttf/sdl3_ttf.odin
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package sdl3_ttf
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import sdl "vendor:sdl3"
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import "core:c"
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foreign import lib "system:SDL3_ttf"
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Font :: struct {}
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Text :: struct {
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text: cstring,
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num_lines: c.int,
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refcount: c.int,
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internal: rawptr,
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}
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TextEngine :: struct {}
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Direction :: enum c.int {
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LTR = 0,
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RTL,
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TTB,
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BTT,
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}
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// Normal == empty
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FontStyleFlag :: enum u32 {
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BOLD = 0,
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ITALIC = 1,
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UNDERLINE = 2,
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STRIKETHROUGH = 3,
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}
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FontStyleFlags :: bit_set[FontStyleFlag;u32]
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FONT_STYLE_NORMAL :: FontStyleFlags{}
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FONT_STYLE_BOLD :: FontStyleFlags{.BOLD}
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FONT_STYLE_ITALIC :: FontStyleFlags{.ITALIC}
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FONT_STYLE_UNDERLINE :: FontStyleFlags{.UNDERLINE}
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FONT_STYLE_STRIKETHROUGH :: FontStyleFlags{.STRIKETHROUGH}
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HintingFlags :: enum c.int {
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NORMAL = 0,
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LIGHT,
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MONO,
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NONE,
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LIGHT_SUBPIXEL,
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}
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TTF_PROP_FONT_OUTLINE_LINE_CAP_NUMBER :: "SDL_ttf.font.outline.line_cap"
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TTF_PROP_FONT_OUTLINE_LINE_JOIN_NUMBER :: "SDL_ttf.font.outline.line_join"
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TTF_PROP_FONT_OUTLINE_MITER_LIMIT_NUMBER :: "SDL_ttf.font.outline.miter_limit"
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HorizontalAlignment :: enum c.int {
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INVALID = -1,
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LEFT,
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CENTER,
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RIGHT,
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}
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GPUAtlasDrawSequence :: struct {
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atlas_texture: ^sdl.GPUTexture,
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vertex_positions: [^]sdl.FPoint,
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uvs: [^]sdl.FPoint, // Normalized
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num_verticies: c.int,
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indices: [^]c.int,
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num_indices: c.int,
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next: ^GPUAtlasDrawSequence, // If nil, this is the last text in the sequence
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}
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GPUTextEngineWinding :: enum c.int {
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INVALID = -1,
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CLOCKWISE,
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COUNTERCLOCKWISE,
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}
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SubStringFlag :: enum u32 {
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TEXT_START,
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LINE_START,
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LINE_END,
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TEXT_END,
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}
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SubString :: struct {
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flags: SubStringFlag,
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offset: c.int,
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length: c.int,
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line_index: c.int,
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cluster_index: c.int,
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rect: sdl.Rect,
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}
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/// General
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@(default_calling_convention = "c", link_prefix = "TTF_")
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foreign lib {
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Init :: proc() -> bool ---
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CreateGPUTextEngine :: proc(device: ^sdl.GPUDevice) -> ^TextEngine ---
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DestroyGPUTextEngine :: proc(engine: ^TextEngine) ---
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Quit :: proc() ---
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}
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/// Fonts
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@(default_calling_convention = "c", link_prefix = "TTF_")
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foreign lib {
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CloseFont :: proc(font: ^Font) ---
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FontHasGlyph :: proc(font: ^Font, glyph: u32) -> bool ---
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FontIsFixedWidth :: proc(font: ^Font) -> bool ---
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GetFontAscent :: proc(font: ^Font) -> c.int ---
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GetFontDescent :: proc(font: ^Font) -> c.int ---
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GetFontDirection :: proc(font: ^Font) -> Direction ---
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GetFontDPI :: proc(font: ^Font, hdpi: ^c.int, vdpi: ^c.int) -> bool ---
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GetFontFamilyName :: proc(font: ^Font) -> cstring ---
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GetFontGeneration :: proc(font: ^Font) -> u32 ---
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GetFontHeight :: proc(font: ^Font) -> c.int ---
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GetFontHinting :: proc(font: ^Font) -> HintingFlags ---
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GetFontKerning :: proc(font: ^Font) -> bool ---
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/// Returns the font's recommended spacing
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GetFontLineSkip :: proc(font: ^Font) -> c.int ---
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GetFontOutline :: proc(font: ^Font) -> c.int ---
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GetFontProperties :: proc(font: ^Font) -> sdl.PropertiesID ---
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GetFontSize :: proc(font: ^Font) -> f32 ---
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GetFontStyle :: proc(font: ^Font) -> FontStyleFlags ---
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GetFontStyleName :: proc(font: ^Font) -> cstring ---
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GetFontWrapAlignment :: proc(font: ^Font) -> HorizontalAlignment ---
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GetFreeTypeVersion :: proc(major: ^c.int, minor: ^c.int, patch: ^c.int) ---
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GetGlyphMetrics :: proc(font: ^Font, glyph: u32, min_x: ^c.int, max_x: ^c.int, min_y: ^c.int, max_y: ^c.int, advance: ^c.int) -> bool ---
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GetGlyphScript :: proc(glyph: u32, script: ^c.char, script_size: c.size_t) -> bool ---
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/// `stream`: A `sdl.IOStream` to provide a font's file data
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/// `close_io`: Close src when the font is closed, false to leave it open
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/// `point_size`: Font point size to use for the newly-opened font
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OpenFontIO :: proc(stream: ^sdl.IOStream, close_io: bool, point_size: f32) -> ^Font ---
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OpenFont :: proc(file: cstring, point_size: f32) -> ^Font ---
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SetFontDirection :: proc(font: ^Font, direction: Direction) -> bool ---
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SetFontHinting :: proc(font: ^Font, hinting_flags: HintingFlags) ---
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SetFontKerning :: proc(font: ^Font, enabled: bool) ---
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SetFontLineSkip :: proc(font: ^Font, lineskip: c.int) ---
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SetFontOutline :: proc(font: ^Font, outline: c.int) -> bool ---
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SetFontScript :: proc(font: ^Font, script: cstring) -> bool ---
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SetFontSize :: proc(font: ^Font, pt_size: f32) -> bool ---
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SetFontSizeDPI :: proc(font: ^Font, pt_size: f32, hdpi: c.int, vdpi: c.int) -> bool ---
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SetFontStyle :: proc(font: ^Font, style: FontStyleFlags) ---
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SetFontWrapAlignment :: proc(font: ^Font, horizontal_alignment: HorizontalAlignment) ---
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SetGPUTextEngineWinding :: proc(engine: ^TextEngine, winding: GPUTextEngineWinding) ---
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}
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/// Text
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@(default_calling_convention = "c", link_prefix = "TTF_")
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foreign lib {
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AppendTextString :: proc(text: ^Text, str: cstring, length: c.size_t) -> bool ---
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CreateText :: proc(engine: ^TextEngine, font: ^Font, text: cstring, length: c.size_t) -> ^Text ---
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DeleteTextString :: proc(text: ^Text, offset: c.int, length: c.int) -> bool ---
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DestroyText :: proc(text: ^Text) ---
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GetGPUTextDrawData :: proc(text: ^Text) -> ^GPUAtlasDrawSequence ---
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GetGPUTextEngineWinding :: proc(engine: ^TextEngine) -> GPUTextEngineWinding ---
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GetNextTextSubString :: proc(text: ^Text, substring: ^SubString, next: ^SubString) -> bool ---
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GetPreviousTextSubString :: proc(text: ^Text, substring: ^SubString, previous: ^SubString) -> bool ---
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/// Calculate the dimensions of a rendered string of UTF-8 text.
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GetStringSize :: proc(font: ^Font, text: cstring, length: c.size_t, w: ^c.int, h: ^c.int) -> bool ---
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GetStringSizeWrapped :: proc(font: ^Font, text: cstring, length: c.size_t, wrap_width: c.int, w: ^c.int, h: ^c.int) -> bool ---
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GetTextColor :: proc(text: ^Text, r: ^u8, g: ^u8, b: ^u8, a: ^u8) -> bool ---
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GetTextColorFloat :: proc(text: ^Text, r: ^f32, g: ^f32, b: ^f32, a: ^f32) -> bool ---
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GetTextEngine :: proc(text: ^Text) -> ^TextEngine ---
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GetTextFont :: proc(text: ^Text) -> ^Font ---
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GetTextPosition :: proc(text: ^Text, x: ^c.int, y: ^c.int) -> bool ---
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GetTextProperties :: proc(text: ^Text) -> sdl.PropertiesID ---
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GetTextSize :: proc(text: ^Text, width: ^c.int, height: ^c.int) -> bool ---
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GetTextSubString :: proc(text: ^Text, offset: c.int, substring: ^SubString) -> bool ---
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GetTextSubStringForLine :: proc(text: ^Text, line: c.int, substring: ^SubString) -> bool ---
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GetTextSubStringForPoint :: proc(text: ^Text, x: c.int, y: c.int, substring: ^SubString) -> bool ---
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GetTextSubStringsForRange :: proc(text: ^Text, offset: c.int, length: c.int, count: ^c.int) -> [^]^SubString ---
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GetTextWrapping :: proc(text: ^Text, wrap_length: ^c.int) -> bool ---
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GetTextWrapWidth :: proc(text: ^Text, wrap_width: ^c.int) -> bool ---
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InsertTextString :: proc(text: ^Text, offset: c.int, str: cstring, length: c.size_t) -> bool ---
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// Calculate how much of a UTF-8 string will fit in a given width.
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MeasureString :: proc(font: ^Font, text: cstring, length: c.size_t, max_width: c.int, measured_width: ^c.int, measured_length: ^c.size_t) -> bool ---
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SetTextColor :: proc(text: ^Text, r: u8, g: u8, b: u8, a: u8) -> bool ---
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SetTextColorFloat :: proc(text: ^Text, r: f32, g: f32, b: f32, a: f32) -> bool ---
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SetTextEngine :: proc(text: ^Text, engine: ^TextEngine) -> bool ---
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SetTextFont :: proc(text: ^Text, font: ^Font) -> bool ---
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SetTextPosition :: proc(text: ^Text, x: c.int, y: c.int) -> bool ---
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SetTextString :: proc(text: ^Text, str: cstring, length: c.size_t) -> bool ---
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SetTextWrapping :: proc(text: ^Text, wrap_length: c.int) -> bool ---
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SetTextWrapWhitespaceVisible :: proc(text: ^Text, visible: bool) -> bool ---
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SetTextWrapWidth :: proc(text: ^Text, wrap_width: c.int) -> bool ---
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}
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