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fix: enable plotters TTF font support to prevent PDF chart panics
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This commit is contained in:
2026-05-12 21:18:13 +00:00
parent 65847c6c90
commit 4b5a252fc9
3 changed files with 288 additions and 19 deletions

302
Cargo.lock generated
View File

@ -556,6 +556,42 @@ version = "0.8.7"
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@ -717,6 +753,27 @@ dependencies = [
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@ -728,6 +785,15 @@ dependencies = [
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@ -863,6 +941,12 @@ dependencies = [
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@ -901,6 +1031,12 @@ version = "0.1.1"
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@ -910,6 +1046,17 @@ dependencies = [
"percent-encoding",
]
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@ -1085,16 +1232,6 @@ dependencies = [
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name = "gif"
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name = "gif"
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@ -1491,7 +1628,7 @@ dependencies = [
"bytemuck",
"byteorder",
"color_quant",
"gif 0.13.3",
"gif",
"jpeg-decoder",
"num-traits",
"png 0.17.16",
@ -1656,6 +1793,16 @@ version = "0.2.185"
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@ -1966,7 +2113,7 @@ checksum = "f38c4372413cdaaf3cc79dd92d29d7d9f5ab09b51b10dded508fb90bb70b9222"
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@ -2002,6 +2149,12 @@ dependencies = [
"vcpkg",
]
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@ -2304,7 +2479,6 @@ dependencies = [
"csv",
"image 0.25.10",
"plotters",
"plotters-bitmap",
"pm-core",
"printpdf",
"serde",
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@ -4545,6 +4795,15 @@ dependencies = [
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View File

@ -20,6 +20,5 @@ uuid = { workspace = true }
# Report generation
csv = "1"
printpdf = { version = "0.7", features = ["embedded_images"] }
plotters = { version = "0.3", default-features = false, features = ["bitmap_backend", "bitmap_encoder", "line_series", "area_series"] }
plotters-bitmap = { version = "0.3" }
plotters = { version = "0.3", default-features = false, features = ["bitmap_backend", "bitmap_encoder", "line_series", "area_series", "ttf"] }
image = { version = "0.25", default-features = false, features = ["png"] }

View File

@ -64,7 +64,7 @@ fn render_bar_chart(
let n = labels.len().max(1);
let mut chart = ChartBuilder::on(&root)
.caption(title, (FontFamily::SansSerif, 20))
.caption(title, ("sans-serif", 20).into_font())
.margin(20u32)
.x_label_area_size(60u32)
.y_label_area_size(50u32)