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freetype: ziggify C structs

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This commit is contained in:
Ali Chraghi 2022-05-26 02:00:18 +04:30 • committed by Stephen Gutekanst
parent b5737af9cd
commit 18369e8c9b
5 changed files with 39 additions and 19 deletions
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22
freetype/src/Face.zig
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@ -9,7 +9,16 @@ const utils = @import("utils.zig");
const Face = @This();
pub const SizeMetrics = c.FT_Size_Metrics;
pub const SizeMetrics = extern struct {
x_ppem: u16,
y_ppem: u16,
x_scale: c_long,
y_scale: c_long,
ascender: c_long,
descender: c_long,
height: c_long,
max_advance: c_long,
};
pub const KerningMode = enum(u2) {
default = c.FT_KERNING_DEFAULT,
unfitted = c.FT_KERNING_UNFITTED,
@ -131,7 +140,7 @@ pub fn loadChar(self: Face, char: u32, flags: LoadFlags) Error!void {
pub fn setTransform(self: Face, matrix: ?types.Matrix, delta: ?types.Vector) Error!void {
var m = matrix orelse std.mem.zeroes(types.Matrix);
var d = delta orelse std.mem.zeroes(types.Vector);
return c.FT_Set_Transform(self.handle, &m, &d);
return c.FT_Set_Transform(self.handle, @ptrCast(*c.FT_Matrix, &m), @ptrCast(*c.FT_Vector, &d));
}
pub fn getCharIndex(self: Face, index: u32) ?u32 {
@ -141,7 +150,7 @@ pub fn getCharIndex(self: Face, index: u32) ?u32 {
pub fn getKerning(self: Face, left_char_index: u32, right_char_index: u32, mode: KerningMode) Error!types.Vector {
var vec = std.mem.zeroes(types.Vector);
try convertError(c.FT_Get_Kerning(self.handle, left_char_index, right_char_index, @enumToInt(mode), &vec));
try convertError(c.FT_Get_Kerning(self.handle, left_char_index, right_char_index, @enumToInt(mode), @ptrCast(*c.FT_Vector, &vec)));
return vec;
}
@ -251,11 +260,10 @@ pub fn styleFlags(self: Face) StyleFlags {
}
pub fn sizeMetrics(self: Face) ?SizeMetrics {
const size = self.handle.*.size;
return if (size == null)
null
return if (self.handle.*.size) |size|
@ptrCast(*SizeMetrics, &size.*.metrics).*
else
size.*.metrics;
null;
}
pub fn postscriptName(self: Face) ?[:0]const u8 {