mach/freetype/test/main.zig
2022-07-19 09:19:55 -07:00

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const std = @import("std");
const testing = std.testing;
const freetype = @import("freetype");
const firasans_font_path = "upstream/assets/FiraSans-Regular.ttf";
const firasans_font_data = @embedFile("../upstream/assets/FiraSans-Regular.ttf");
// Remove once the stage2 compiler fixes pkg std not found
comptime {
_ = @import("utils");
}
test "create face from file" {
const lib = try freetype.Library.init();
_ = try lib.createFace(firasans_font_path, 0);
}
test "create face from memory" {
const lib = try freetype.Library.init();
_ = try lib.createFaceMemory(firasans_font_data, 0);
}
test "create stroker" {
const lib = try freetype.Library.init();
_ = try lib.createStroker();
}
test "set lcd filter" {
if (@hasDecl(freetype.c, "FT_CONFIG_OPTION_SUBPIXEL_RENDERING")) {
const lib = try freetype.Library.init();
try lib.setLcdFilter(.default);
} else {
return error.SkipZigTest;
}
}
test "load glyph" {
const lib = try freetype.Library.init();
const face = try lib.createFace(firasans_font_path, 0);
try face.setPixelSizes(100, 100);
try face.setCharSize(10 * 10, 0, 72, 0);
try face.loadGlyph(205, .{});
try face.loadChar('A', .{});
face.deinit();
}
test "attach file" {
const lib = try freetype.Library.init();
const face = try lib.createFace("upstream/assets/DejaVuSans.pfb", 0);
try face.attachFile("upstream/assets/DejaVuSans.pfm");
}
test "attach from memory" {
const lib = try freetype.Library.init();
const face = try lib.createFace("upstream/assets/DejaVuSans.pfb", 0);
const file = @embedFile("../upstream/assets/DejaVuSans.pfm");
try face.attachMemory(file);
}
test "charmap iterator" {
const lib = try freetype.Library.init();
const face = try lib.createFace(firasans_font_path, 0);
var iterator = face.getCharmapIterator();
var old_char: usize = 0;
while (iterator.next()) |c| {
try testing.expect(old_char != c);
old_char = c;
}
}
test "get name index" {
const lib = try freetype.Library.init();
const face = try lib.createFace(firasans_font_path, 0);
try testing.expectEqual(@as(u32, 1120), face.getNameIndex("summation").?);
}
test "get index name" {
const lib = try freetype.Library.init();
const face = try lib.createFace(firasans_font_path, 0);
var buf: [32]u8 = undefined;
try face.getGlyphName(1120, &buf);
try testing.expectEqualStrings(std.mem.sliceTo(&buf, 0), "summation");
}