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Code Issues Packages 1 Wiki Activity

handling unsupported bit depth

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This commit is contained in:
Hajime-san 2024-08-22 11:45:05 +09:00
parent 32d71f5bdc
commit 827e7b1cfc
3 changed files with 20 additions and 0 deletions
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13
ext/canvas/lib.rs
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@ -8,6 +8,7 @@ use image::imageops::FilterType;
use image::AnimationDecoder;
use image::GenericImage;
use image::GenericImageView;
use image::ImageDecoder;
use image::Pixel;
use serde::Deserialize;
use serde::Serialize;
@ -210,10 +211,16 @@ fn op_image_decode(
if decoder.is_apng()? {
return Err(type_error("Animation image is not supported."));
}
if decoder.color_type() != image::ColorType::Rgba8 {
return Err(type_error("Supports 8-bit RGBA only."));
}
image::DynamicImage::from_decoder(decoder)?
}
"image/jpeg" => {
let decoder = image::codecs::jpeg::JpegDecoder::new(reader)?;
if decoder.color_type() != image::ColorType::Rgb8 {
return Err(type_error("Supports 8-bit RGB only."));
}
image::DynamicImage::from_decoder(decoder)?
}
"image/gif" => {
@ -227,10 +234,16 @@ fn op_image_decode(
}
"image/bmp" => {
let decoder = image::codecs::bmp::BmpDecoder::new(reader)?;
if decoder.color_type() != image::ColorType::Rgba8 {
return Err(type_error("Supports 8-bit RGBA only."));
}
image::DynamicImage::from_decoder(decoder)?
}
"image/x-icon" => {
let decoder = image::codecs::ico::IcoDecoder::new(reader)?;
if decoder.color_type() != image::ColorType::Rgba8 {
return Err(type_error("Supports 8-bit RGBA only."));
}
image::DynamicImage::from_decoder(decoder)?
}
"image/webp" => {

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tests/testdata/image/1x1-red16.png vendored Normal file
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7
tests/unit/image_bitmap_test.ts
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@ -162,6 +162,13 @@ Deno.test(async function imageBitmapFromBlob() {
// deno-fmt-ignore
assertEquals(Deno[Deno.internal].getBitmapData(imageBitmap), new Uint8Array([255, 0, 0, 255]));
}
{
const imageData = new Blob(
[await Deno.readFile(`${prefix}/1x1-red16.png`)],
{ type: "image/png" },
);
await assertRejects(() => createImageBitmap(imageData), TypeError);
}
{
const imageData = new Blob(
[await Deno.readFile(`${prefix}/1x1-red8.jpeg`)],