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Diffstat (limited to 'Godeps/_workspace/src/github.com/golang/freetype/truetype/truetype_test.go')
-rw-r--r--Godeps/_workspace/src/github.com/golang/freetype/truetype/truetype_test.go400
1 files changed, 0 insertions, 400 deletions
diff --git a/Godeps/_workspace/src/github.com/golang/freetype/truetype/truetype_test.go b/Godeps/_workspace/src/github.com/golang/freetype/truetype/truetype_test.go
deleted file mode 100644
index bd62d1da1..000000000
--- a/Godeps/_workspace/src/github.com/golang/freetype/truetype/truetype_test.go
+++ /dev/null
@@ -1,400 +0,0 @@
-// Copyright 2012 The Freetype-Go Authors. All rights reserved.
-// Use of this source code is governed by your choice of either the
-// FreeType License or the GNU General Public License version 2 (or
-// any later version), both of which can be found in the LICENSE file.
-
-package truetype
-
-import (
- "bufio"
- "fmt"
- "io"
- "io/ioutil"
- "os"
- "strconv"
- "strings"
- "testing"
-
- "golang.org/x/image/font"
- "golang.org/x/image/math/fixed"
-)
-
-func parseTestdataFont(name string) (f *Font, testdataIsOptional bool, err error) {
- b, err := ioutil.ReadFile(fmt.Sprintf("../testdata/%s.ttf", name))
- if err != nil {
- // The "x-foo" fonts are optional tests, as they are not checked
- // in for copyright or file size reasons.
- return nil, strings.HasPrefix(name, "x-"), fmt.Errorf("%s: ReadFile: %v", name, err)
- }
- f, err = Parse(b)
- if err != nil {
- return nil, true, fmt.Errorf("%s: Parse: %v", name, err)
- }
- return f, false, nil
-}
-
-func mkBounds(minX, minY, maxX, maxY fixed.Int26_6) fixed.Rectangle26_6 {
- return fixed.Rectangle26_6{
- Min: fixed.Point26_6{
- X: minX,
- Y: minY,
- },
- Max: fixed.Point26_6{
- X: maxX,
- Y: maxY,
- },
- }
-}
-
-// TestParse tests that the luxisr.ttf metrics and glyphs are parsed correctly.
-// The numerical values can be manually verified by examining luxisr.ttx.
-func TestParse(t *testing.T) {
- f, _, err := parseTestdataFont("luxisr")
- if err != nil {
- t.Fatal(err)
- }
- if got, want := f.FUnitsPerEm(), int32(2048); got != want {
- t.Errorf("FUnitsPerEm: got %v, want %v", got, want)
- }
- fupe := fixed.Int26_6(f.FUnitsPerEm())
- if got, want := f.Bounds(fupe), mkBounds(-441, -432, 2024, 2033); got != want {
- t.Errorf("Bounds: got %v, want %v", got, want)
- }
-
- i0 := f.Index('A')
- i1 := f.Index('V')
- if i0 != 36 || i1 != 57 {
- t.Fatalf("Index: i0, i1 = %d, %d, want 36, 57", i0, i1)
- }
- if got, want := f.HMetric(fupe, i0), (HMetric{1366, 19}); got != want {
- t.Errorf("HMetric: got %v, want %v", got, want)
- }
- if got, want := f.VMetric(fupe, i0), (VMetric{2465, 553}); got != want {
- t.Errorf("VMetric: got %v, want %v", got, want)
- }
- if got, want := f.Kern(fupe, i0, i1), fixed.Int26_6(-144); got != want {
- t.Errorf("Kern: got %v, want %v", got, want)
- }
-
- g := &GlyphBuf{}
- err = g.Load(f, fupe, i0, font.HintingNone)
- if err != nil {
- t.Fatalf("Load: %v", err)
- }
- g0 := &GlyphBuf{
- Bounds: g.Bounds,
- Points: g.Points,
- Ends: g.Ends,
- }
- g1 := &GlyphBuf{
- Bounds: mkBounds(19, 0, 1342, 1480),
- Points: []Point{
- {19, 0, 51},
- {581, 1480, 1},
- {789, 1480, 51},
- {1342, 0, 1},
- {1116, 0, 35},
- {962, 410, 3},
- {368, 410, 33},
- {214, 0, 3},
- {428, 566, 19},
- {904, 566, 33},
- {667, 1200, 3},
- },
- Ends: []int{8, 11},
- }
- if got, want := fmt.Sprint(g0), fmt.Sprint(g1); got != want {
- t.Errorf("GlyphBuf:\ngot %v\nwant %v", got, want)
- }
-}
-
-func TestIndex(t *testing.T) {
- testCases := map[string]map[rune]Index{
- "luxisr": {
- ' ': 3,
- '!': 4,
- 'A': 36,
- 'V': 57,
- 'É': 101,
- 'fl': 193,
- '\u22c5': 385,
- '中': 0,
- },
-
- // The x-etc test cases use those versions of the .ttf files provided
- // by Ubuntu 14.04. See testdata/make-other-hinting-txts.sh for details.
-
- "x-arial-bold": {
- ' ': 3,
- '+': 14,
- '0': 19,
- '_': 66,
- 'w': 90,
- '~': 97,
- 'Ä': 98,
- 'fl': 192,
- '½': 242,
- 'σ': 305,
- 'λ': 540,
- 'ỹ': 1275,
- '\u04e9': 1319,
- '中': 0,
- },
- "x-deja-vu-sans-oblique": {
- ' ': 3,
- '*': 13,
- 'Œ': 276,
- 'ω': 861,
- '‡': 2571,
- '⊕': 3110,
- 'fl': 4728,
- '\ufb03': 4729,
- '\ufffd': 4813,
- // TODO: '\U0001f640': ???,
- '中': 0,
- },
- "x-droid-sans-japanese": {
- ' ': 0,
- '\u3000': 3,
- '\u3041': 25,
- '\u30fe': 201,
- '\uff61': 202,
- '\uff67': 208,
- '\uff9e': 263,
- '\uff9f': 264,
- '\u4e00': 265,
- '\u557e': 1000,
- '\u61b6': 2024,
- '\u6ede': 3177,
- '\u7505': 3555,
- '\u81e3': 4602,
- '\u81e5': 4603,
- '\u81e7': 4604,
- '\u81e8': 4605,
- '\u81ea': 4606,
- '\u81ed': 4607,
- '\u81f3': 4608,
- '\u81f4': 4609,
- '\u91c7': 5796,
- '\u9fa0': 6620,
- '\u203e': 12584,
- },
- "x-times-new-roman": {
- ' ': 3,
- ':': 29,
- 'fl': 192,
- 'Ŀ': 273,
- '♠': 388,
- 'Ŗ': 451,
- 'Σ': 520,
- '\u200D': 745,
- 'Ẽ': 1216,
- '\u04e9': 1319,
- '中': 0,
- },
- }
- for name, wants := range testCases {
- f, testdataIsOptional, err := parseTestdataFont(name)
- if err != nil {
- if testdataIsOptional {
- t.Log(err)
- } else {
- t.Fatal(err)
- }
- continue
- }
- for r, want := range wants {
- if got := f.Index(r); got != want {
- t.Errorf("%s: Index of %q, aka %U: got %d, want %d", name, r, r, got, want)
- }
- }
- }
-}
-
-func TestName(t *testing.T) {
- testCases := map[string]string{
- "luximr": "Luxi Mono",
- "luxirr": "Luxi Serif",
- "luxisr": "Luxi Sans",
- }
-
- for name, want := range testCases {
- f, testdataIsOptional, err := parseTestdataFont(name)
- if err != nil {
- if testdataIsOptional {
- t.Log(err)
- } else {
- t.Fatal(err)
- }
- continue
- }
- if got := f.Name(NameIDFontFamily); got != want {
- t.Errorf("%s: got %q, want %q", name, got, want)
- }
- }
-}
-
-type scalingTestData struct {
- advanceWidth fixed.Int26_6
- bounds fixed.Rectangle26_6
- points []Point
-}
-
-// scalingTestParse parses a line of points like
-// 213 -22 -111 236 555;-22 -111 1, 178 555 1, 236 555 1, 36 -111 1
-// The line will not have a trailing "\n".
-func scalingTestParse(line string) (ret scalingTestData) {
- next := func(s string) (string, fixed.Int26_6) {
- t, i := "", strings.Index(s, " ")
- if i != -1 {
- s, t = s[:i], s[i+1:]
- }
- x, _ := strconv.Atoi(s)
- return t, fixed.Int26_6(x)
- }
-
- i := strings.Index(line, ";")
- prefix, line := line[:i], line[i+1:]
-
- prefix, ret.advanceWidth = next(prefix)
- prefix, ret.bounds.Min.X = next(prefix)
- prefix, ret.bounds.Min.Y = next(prefix)
- prefix, ret.bounds.Max.X = next(prefix)
- prefix, ret.bounds.Max.Y = next(prefix)
-
- ret.points = make([]Point, 0, 1+strings.Count(line, ","))
- for len(line) > 0 {
- s := line
- if i := strings.Index(line, ","); i != -1 {
- s, line = line[:i], line[i+1:]
- for len(line) > 0 && line[0] == ' ' {
- line = line[1:]
- }
- } else {
- line = ""
- }
- s, x := next(s)
- s, y := next(s)
- s, f := next(s)
- ret.points = append(ret.points, Point{X: x, Y: y, Flags: uint32(f)})
- }
- return ret
-}
-
-// scalingTestEquals is equivalent to, but faster than, calling
-// reflect.DeepEquals(a, b), and also returns the index of the first non-equal
-// element. It also treats a nil []Point and an empty non-nil []Point as equal.
-// a and b must have equal length.
-func scalingTestEquals(a, b []Point) (index int, equals bool) {
- for i, p := range a {
- if p != b[i] {
- return i, false
- }
- }
- return 0, true
-}
-
-var scalingTestCases = []struct {
- name string
- size int
-}{
- {"luxisr", 12},
- {"x-arial-bold", 11},
- {"x-deja-vu-sans-oblique", 17},
- {"x-droid-sans-japanese", 9},
- {"x-times-new-roman", 13},
-}
-
-func testScaling(t *testing.T, h font.Hinting) {
- for _, tc := range scalingTestCases {
- f, testdataIsOptional, err := parseTestdataFont(tc.name)
- if err != nil {
- if testdataIsOptional {
- t.Log(err)
- } else {
- t.Error(err)
- }
- continue
- }
- hintingStr := "sans"
- if h != font.HintingNone {
- hintingStr = "with"
- }
- testFile, err := os.Open(fmt.Sprintf(
- "../testdata/%s-%dpt-%s-hinting.txt", tc.name, tc.size, hintingStr))
- if err != nil {
- t.Errorf("%s: Open: %v", tc.name, err)
- continue
- }
- defer testFile.Close()
-
- wants := []scalingTestData{}
- scanner := bufio.NewScanner(testFile)
- if scanner.Scan() {
- major, minor, patch := 0, 0, 0
- _, err := fmt.Sscanf(scanner.Text(), "freetype version %d.%d.%d", &major, &minor, &patch)
- if err != nil {
- t.Errorf("%s: version information: %v", tc.name, err)
- }
- if (major < 2) || (major == 2 && minor < 5) || (major == 2 && minor == 5 && patch < 1) {
- t.Errorf("%s: need freetype version >= 2.5.1.\n"+
- "Try setting LD_LIBRARY_PATH=/path/to/freetype_built_from_src/objs/.libs/\n"+
- "and re-running testdata/make-other-hinting-txts.sh",
- tc.name)
- continue
- }
- } else {
- t.Errorf("%s: no version information", tc.name)
- continue
- }
- for scanner.Scan() {
- wants = append(wants, scalingTestParse(scanner.Text()))
- }
- if err := scanner.Err(); err != nil && err != io.EOF {
- t.Errorf("%s: Scanner: %v", tc.name, err)
- continue
- }
-
- glyphBuf := &GlyphBuf{}
- for i, want := range wants {
- if err = glyphBuf.Load(f, fixed.I(tc.size), Index(i), h); err != nil {
- t.Errorf("%s: glyph #%d: Load: %v", tc.name, i, err)
- continue
- }
- got := scalingTestData{
- advanceWidth: glyphBuf.AdvanceWidth,
- bounds: glyphBuf.Bounds,
- points: glyphBuf.Points,
- }
-
- if got.advanceWidth != want.advanceWidth {
- t.Errorf("%s: glyph #%d advance width:\ngot %v\nwant %v",
- tc.name, i, got.advanceWidth, want.advanceWidth)
- continue
- }
-
- if got.bounds != want.bounds {
- t.Errorf("%s: glyph #%d bounds:\ngot %v\nwant %v",
- tc.name, i, got.bounds, want.bounds)
- continue
- }
-
- for i := range got.points {
- got.points[i].Flags &= 0x01
- }
- if len(got.points) != len(want.points) {
- t.Errorf("%s: glyph #%d:\ngot %v\nwant %v\ndifferent slice lengths: %d versus %d",
- tc.name, i, got.points, want.points, len(got.points), len(want.points))
- continue
- }
- if j, equals := scalingTestEquals(got.points, want.points); !equals {
- t.Errorf("%s: glyph #%d:\ngot %v\nwant %v\nat index %d: %v versus %v",
- tc.name, i, got.points, want.points, j, got.points[j], want.points[j])
- continue
- }
- }
- }
-}
-
-func TestScalingHintingNone(t *testing.T) { testScaling(t, font.HintingNone) }
-func TestScalingHintingFull(t *testing.T) { testScaling(t, font.HintingFull) }
generated by cgit v1.2.3-1-g7c22 (git 2.25.1) at 2024-06-30 20:57:27 +0000