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freetype: implement some functions binding

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Ali Chraghi 2022-05-25 17:46:30 +04:30 • committed by Stephen Gutekanst
parent 1a082ef5a7
commit 7a8aee8665
5 changed files with 71 additions and 24 deletions
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28
freetype/src/Glyph.zig
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@ -8,15 +8,6 @@ const convertError = @import("error.zig").convertError;
const Glyph = @This();
pub const BBox = c.FT_BBox;
pub const RenderMode = enum(u3) {
normal = c.FT_RENDER_MODE_NORMAL,
light = c.FT_RENDER_MODE_LIGHT,
mono = c.FT_RENDER_MODE_MONO,
lcd = c.FT_RENDER_MODE_LCD,
lcd_v = c.FT_RENDER_MODE_LCD_V,
sdf = c.FT_RENDER_MODE_SDF,
};
pub const BBoxMode = enum(u2) {
// https://freetype.org/freetype2/docs/reference/ft2-glyph_management.html#ft_glyph_bbox_mode
// both `unscaled` and `subpixel` constants are set to 0
@ -25,6 +16,15 @@ pub const BBoxMode = enum(u2) {
truncate = c.FT_GLYPH_BBOX_TRUNCATE,
pixels = c.FT_GLYPH_BBOX_PIXELS,
};
pub const GlyphMetrics = c.FT_Glyph_Metrics;
pub const GlyphFormat = enum(u32) {
none = c.FT_GLYPH_FORMAT_NONE,
composite = c.FT_GLYPH_FORMAT_COMPOSITE,
bitmap = c.FT_GLYPH_FORMAT_BITMAP,
outline = c.FT_GLYPH_FORMAT_OUTLINE,
plotter = c.FT_GLYPH_FORMAT_PLOTTER,
svg = c.FT_GLYPH_FORMAT_SVG,
};
handle: c.FT_Glyph,
@ -48,13 +48,13 @@ pub fn transform(self: Glyph, matrix: ?types.Matrix, delta: ?types.Vector) Error
try convertError(c.FT_Glyph_Transform(self.handle, &m, &d));
}
pub fn getCBox(self: Glyph, bbox_mode: BBoxMode) BBox {
var res = std.mem.zeroes(BBox);
pub fn getCBox(self: Glyph, bbox_mode: BBoxMode) types.BBox {
var res = std.mem.zeroes(types.BBox);
c.FT_Glyph_Get_CBox(self.handle, @enumToInt(bbox_mode), &res);
return res;
}
pub fn toBitmap(self: Glyph, render_mode: RenderMode, origin: ?types.Vector) Error!BitmapGlyph {
pub fn toBitmap(self: Glyph, render_mode: types.RenderMode, origin: ?types.Vector) Error!BitmapGlyph {
var res = self.handle;
var o = origin orelse std.mem.zeroes(types.Vector);
try convertError(c.FT_Glyph_To_Bitmap(&res, @enumToInt(render_mode), &o, 0));
@ -73,6 +73,10 @@ pub fn strokeBorder(self: Glyph, stroker: Stroker, inside: bool) Error!Glyph {
return Glyph.init(res);
}
pub fn format(self: Glyph) GlyphFormat {
return @intToEnum(GlyphFormat, self.handle.*.format);
}
pub fn advanceX(self: Glyph) isize {
return self.handle.*.advance.x;
}