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text: drop unused line.bounds

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This commit removes the logic that calculates the bounding box of a line.
We don't actually use this information anywhere, so computing it is just
a waste of CPU and memory. Widgets arrive at their own bounding boxes from
consuming the glyph stream anyway.

Signed-off-by: Chris Waldon <christopher.waldon.dev@gmail.com>
This commit is contained in:
Chris Waldon
2023-07-28 16:07:44 -04:00
committed by Elias Naur
parent fdd102aaf9
commit c7c49c3258
2 changed files with 4 additions and 44 deletions
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text/gotext_test.go
+4 -21
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@@ -52,16 +52,11 @@ func TestEmptyString(t *testing.T) {
t.Fatalf("Layout returned no lines for empty string; expected 1")
}
l := lines.lines[0]
exp := fixed.Rectangle26_6{
Min: fixed.Point26_6{
Y: fixed.Int26_6(-12094),
},
Max: fixed.Point26_6{
Y: fixed.Int26_6(2700),
},
if expected := fixed.Int26_6(12094); l.ascent != expected {
t.Errorf("unexpected ascent for empty string: %v, expected %v", l.ascent, expected)
}
if got := l.bounds; got != exp {
t.Errorf("got bounds %+v for empty string; expected %+v", got, exp)
if expected := fixed.Int26_6(2700); l.descent != expected {
t.Errorf("unexpected descent for empty string: %v, expected %v", l.descent, expected)
}
}
@@ -392,12 +387,6 @@ func TestToLine(t *testing.T) {
totalInputRunes += run.Runes.Count
}
output := toLine(shaper.faceToIndex, input, tc.dir)
if output.bounds.Min == (fixed.Point26_6{}) {
t.Errorf("line %d: Bounds.Min not populated", i)
}
if output.bounds.Max == (fixed.Point26_6{}) {
t.Errorf("line %d: Bounds.Max not populated", i)
}
if output.direction != tc.dir {
t.Errorf("line %d: expected direction %v, got %v", i, tc.dir, output.direction)
}
@@ -604,12 +593,6 @@ func validateLines(t *testing.T, lines []line, expectedRuneCount int) {
t.Helper()
runesSeen := 0
for i, line := range lines {
if line.bounds.Min == (fixed.Point26_6{}) {
t.Errorf("line %d: Bounds.Min not populated", i)
}
if line.bounds.Max == (fixed.Point26_6{}) {
t.Errorf("line %d: Bounds.Max not populated", i)
}
totalRunWidth := fixed.I(0)
totalLineGlyphs := 0
lineRunesSeen := 0