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Show posters as real images in kitty and Ghostty (Kitty graphics with Unicode placeholders)

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Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
nils
2026-10-20 23:03:29 +02:00
co-authored by Claude Sonnet 5.5
parent dc82b0b95d
commit 108541af91
12 changed files with 601 additions and 49 deletions
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internal/ui/cover_test.go
+7 -7
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@@ -50,7 +50,7 @@ func TestDecodeCover(t *testing.T) {
if err := jpeg.Encode(&buf, stripes(300, 450), nil); err != nil {
t.Fatal(err)
}
img, err := decodeCover(buf.Bytes())
img, err := decodeCover(buf.Bytes(), storedCoverHeight)
if err != nil {
t.Fatal(err)
}
@@ -62,17 +62,17 @@ func TestDecodeCover(t *testing.T) {
if err := png.Encode(&buf, stripes(20, 30)); err != nil {
t.Fatal(err)
}
if img, err := decodeCover(buf.Bytes()); err != nil || img.Bounds().Dy() != 30 {
if img, err := decodeCover(buf.Bytes(), storedCoverHeight); err != nil || img.Bounds().Dy() != 30 {
t.Errorf("small png kept as is: %v %v", img, err)
}
if _, err := decodeCover([]byte("<html>not an image</html>")); err == nil {
if _, err := decodeCover([]byte("<html>not an image</html>"), storedCoverHeight); err == nil {
t.Error("garbage must be rejected")
}
// A header that promises a huge image is refused before decoding it.
var huge bytes.Buffer
huge.Write([]byte("\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x27\x10\x00\x00\x27\x10\x08\x02\x00\x00\x00"))
if _, err := decodeCover(huge.Bytes()); err == nil {
if _, err := decodeCover(huge.Bytes(), storedCoverHeight); err == nil {
t.Error("oversized image must be rejected")
}
}
@@ -110,11 +110,11 @@ func TestQuadCell(t *testing.T) {
func TestCoverCells(t *testing.T) {
// A 2:3 poster in a roomy box is limited by the height: 10 rows are 20
// width units tall, so 13 columns.
if c, r := coverCells(40, 60, 30, 10); c != 13 || r != 10 {
if c, r := coverCells(40, 60, 30, 10, 2); c != 13 || r != 10 {
t.Errorf("tall limit: %dx%d", c, r)
}
// In a narrow box the width limits it.
if c, r := coverCells(40, 60, 10, 20); c != 10 || r != 7 {
if c, r := coverCells(40, 60, 10, 20, 2); c != 10 || r != 7 {
t.Errorf("narrow limit: %dx%d", c, r)
}
}
@@ -127,7 +127,7 @@ func TestCoverViewDraws(t *testing.T) {
defer screen.Fini()
screen.SetSize(30, 10)
c := newCoverView(quadrantStyle)
c := newCoverView(quadrantStyle, nil, nil)
c.setImage(stripes(40, 60)) // red above blue
c.SetRect(0, 0, 30, 10) // fits 13 columns × 10 rows