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freetype: ~99% Core-API Coverage

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- breaking structure changes
- optimazed examples
- more tests
This commit is contained in:
Ali Chraghi 2022-06-07 00:12:29 +04:30 • committed by Stephen Gutekanst
parent db377459c4
commit 04a0a79ef6
21 changed files with 1176 additions and 549 deletions
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47
freetype/src/Outline.zig
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@ -1,19 +1,15 @@
const std = @import("std");
const c = @import("c.zig");
const types = @import("types.zig");
const Glyph = @import("Glyph.zig");
const Error = @import("error.zig").Error;
const intToError = @import("error.zig").intToError;
const errorToInt = @import("error.zig").errorToInt;
const Error = @import("error.zig").Error;
const Matrix = @import("types.zig").Matrix;
const BBox = @import("types.zig").BBox;
const Vector = @import("image.zig").Vector;
const Outline = @This();
handle: *c.FT_Outline,
pub fn init(handle: *c.FT_Outline) Outline {
return Outline{ .handle = handle };
}
pub fn numPoints(self: Outline) u15 {
return @intCast(u15, self.handle.*.n_points);
}
@ -22,8 +18,8 @@ pub fn numContours(self: Outline) u15 {
return @intCast(u15, self.handle.*.n_contours);
}
pub fn points(self: Outline) []const types.Vector {
return @ptrCast([]types.Vector, self.handle.*.points[0..self.numPoints()]);
pub fn points(self: Outline) []const Vector {
return self.handle.*.points[0..self.numPoints()];
}
pub fn tags(self: Outline) []const u8 {
@ -38,25 +34,24 @@ pub fn check(self: Outline) Error!void {
try intToError(c.FT_Outline_Check(self.handle));
}
pub fn transform(self: Outline, matrix: ?types.Matrix) void {
var m = matrix orelse std.mem.zeroes(types.Matrix);
c.FT_Outline_Transform(self.handle, @ptrCast(*c.FT_Matrix, &m));
pub fn transform(self: Outline, matrix: ?Matrix) void {
c.FT_Outline_Transform(self.handle, if (matrix) |m| &m else null);
}
pub fn bbox(self: Outline) Error!types.BBox {
var res = std.mem.zeroes(types.BBox);
try intToError(c.FT_Outline_Get_BBox(self.handle, @ptrCast(*c.FT_BBox, &res)));
return res;
pub fn bbox(self: Outline) Error!BBox {
var b: BBox = undefined;
try intToError(c.FT_Outline_Get_BBox(self.handle, &b));
return b;
}
pub fn OutlineFuncs(comptime Context: type) type {
return struct {
move_to: fn (ctx: Context, to: types.Vector) Error!void,
line_to: fn (ctx: Context, to: types.Vector) Error!void,
conic_to: fn (ctx: Context, control: types.Vector, to: types.Vector) Error!void,
cubic_to: fn (ctx: Context, control_0: types.Vector, control_1: types.Vector, to: types.Vector) Error!void,
shift: c_int,
delta: isize,
move_to: fn (ctx: Context, to: Vector) Error!void,
line_to: fn (ctx: Context, to: Vector) Error!void,
conic_to: fn (ctx: Context, control: Vector, to: Vector) Error!void,
cubic_to: fn (ctx: Context, control_0: Vector, control_1: Vector, to: Vector) Error!void,
shift: i32,
delta: i32,
};
}
@ -70,8 +65,8 @@ pub fn OutlineFuncsWrapper(comptime Context: type) type {
return @ptrCast(*Self, @alignCast(@alignOf(Self), ptr));
}
fn castVec(vec: [*c]const c.FT_Vector) types.Vector {
return @intToPtr(*types.Vector, @ptrToInt(vec)).*;
fn castVec(vec: [*c]const c.FT_Vector) Vector {
return @intToPtr(*Vector, @ptrToInt(vec)).*;
}
pub fn move_to(to: [*c]const c.FT_Vector, ctx: ?*anyopaque) callconv(.C) c_int {
@ -130,7 +125,7 @@ pub fn decompose(self: Outline, ctx: anytype, callbacks: OutlineFuncs(@TypeOf(ct
var wrapper = OutlineFuncsWrapper(@TypeOf(ctx)){ .ctx = ctx, .callbacks = callbacks };
try intToError(c.FT_Outline_Decompose(
self.handle,
&c.FT_Outline_Funcs{
&.{
.move_to = @TypeOf(wrapper).move_to,
.line_to = @TypeOf(wrapper).line_to,
.conic_to = @TypeOf(wrapper).conic_to,