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feat(pdfengines): optimize PDF images to reduce file size (#359)

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This commit is contained in:
Julien Neuhart
2026-08-13 19:39:09 +02:00
parent 7a730cfdc2
commit 1ac1d9887e
29 changed files with 776 additions and 5 deletions
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24
test/integration/scenario/scenario.go
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@@ -1057,6 +1057,29 @@ func (s *scenario) theImagePixelShouldBe(_ context.Context, name string, x, y in
return nil
}
func (s *scenario) theFileSizeShouldBe(_ context.Context, name, comparator string, sizeKB int) error {
path := fmt.Sprintf("%s/%s/%s", s.workdir, s.resp.Header().Get("Gotenberg-Trace"), name)
info, err := os.Stat(path)
if err != nil {
return fmt.Errorf("stat %q: %w", path, err)
}
limit := int64(sizeKB) * 1024
switch comparator {
case "less":
if info.Size() >= limit {
return fmt.Errorf("expected %s (%d bytes) to be smaller than %d KB", name, info.Size(), sizeKB)
}
case "greater":
if info.Size() <= limit {
return fmt.Errorf("expected %s (%d bytes) to be larger than %d KB", name, info.Size(), sizeKB)
}
}
return nil
}
func (s *scenario) thePdfShouldBeSetToLandscapeOrientation(ctx context.Context, name string, kind string) error {
var path string
if !strings.HasPrefix(name, "*_") {
@@ -1650,6 +1673,7 @@ func InitializeScenario(ctx *godog.ScenarioContext) {
ctx.Then(`^the "([^"]*)" PDF should have (\d+) image\(s\)$`, s.thePdfShouldHaveImages)
ctx.Then(`^the "([^"]*)" image should be (\d+)x(\d+) pixels$`, s.theImageShouldBePixels)
ctx.Then(`^the "([^"]*)" image pixel at (\d+),(\d+) should be "([^"]*)"$`, s.theImagePixelShouldBe)
ctx.Then(`^the "([^"]*)" file size should be (less|greater) than (\d+) KB$`, s.theFileSizeShouldBe)
ctx.After(func(ctx context.Context, sc *godog.Scenario, err error) (context.Context, error) {
if s.gotenbergContainer != nil {
errTerminate := s.gotenbergContainer.Terminate(ctx, testcontainers.StopTimeout(0))