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Add quality and compressionLevel options for output image. #24

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Lovell Fuller
2014-05-10 19:45:12 +01:00
committed by Pierre Inglebert
parent e275f6f5dd
commit 10496881f1
4 changed files with 264 additions and 211 deletions
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20
src/sharp.cc
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@@ -24,6 +24,8 @@ struct resize_baton {
bool sharpen;
bool progessive;
VipsAccess access_method;
int quality;
int compressionLevel;
std::string err;
resize_baton(): buffer_in_len(0), buffer_out_len(0) {}
@@ -259,37 +261,37 @@ class ResizeWorker : public NanAsyncWorker {
// Output
if (baton->file_out == "__jpeg" || (baton->file_out == "__input" && inputImageType == JPEG)) {
// Write JPEG to buffer
if (vips_jpegsave_buffer(sharpened, &baton->buffer_out, &baton->buffer_out_len, "strip", TRUE, "Q", 80, "optimize_coding", TRUE, "interlace", baton->progessive, NULL)) {
if (vips_jpegsave_buffer(sharpened, &baton->buffer_out, &baton->buffer_out_len, "strip", TRUE, "Q", baton->quality, "optimize_coding", TRUE, "interlace", baton->progessive, NULL)) {
return resize_error(baton, sharpened);
}
} else if (baton->file_out == "__png" || (baton->file_out == "__input" && inputImageType == PNG)) {
// Write PNG to buffer
if (vips_pngsave_buffer(sharpened, &baton->buffer_out, &baton->buffer_out_len, "strip", TRUE, "compression", 6, "interlace", baton->progessive, NULL)) {
if (vips_pngsave_buffer(sharpened, &baton->buffer_out, &baton->buffer_out_len, "strip", TRUE, "compression", baton->compressionLevel, "interlace", baton->progessive, NULL)) {
return resize_error(baton, sharpened);
}
} else if (baton->file_out == "__webp" || (baton->file_out == "__input" && inputImageType == WEBP)) {
// Write WEBP to buffer
if (vips_webpsave_buffer(sharpened, &baton->buffer_out, &baton->buffer_out_len, "strip", TRUE, "Q", 80, NULL)) {
if (vips_webpsave_buffer(sharpened, &baton->buffer_out, &baton->buffer_out_len, "strip", TRUE, "Q", baton->quality, NULL)) {
return resize_error(baton, sharpened);
}
} else if (is_jpeg(baton->file_out)) {
// Write JPEG to file
if (vips_jpegsave(sharpened, baton->file_out.c_str(), "strip", TRUE, "Q", 80, "optimize_coding", TRUE, "interlace", baton->progessive, NULL)) {
if (vips_jpegsave(sharpened, baton->file_out.c_str(), "strip", TRUE, "Q", baton->quality, "optimize_coding", TRUE, "interlace", baton->progessive, NULL)) {
return resize_error(baton, sharpened);
}
} else if (is_png(baton->file_out)) {
// Write PNG to file
if (vips_pngsave(sharpened, baton->file_out.c_str(), "strip", TRUE, "compression", 6, "interlace", baton->progessive, NULL)) {
if (vips_pngsave(sharpened, baton->file_out.c_str(), "strip", TRUE, "compression", baton->compressionLevel, "interlace", baton->progessive, NULL)) {
return resize_error(baton, sharpened);
}
} else if (is_webp(baton->file_out)) {
// Write WEBP to file
if (vips_webpsave(sharpened, baton->file_out.c_str(), "strip", TRUE, "Q", 80, NULL)) {
if (vips_webpsave(sharpened, baton->file_out.c_str(), "strip", TRUE, "Q", baton->quality, NULL)) {
return resize_error(baton, sharpened);
}
} else if (is_tiff(baton->file_out)) {
// Write TIFF to file
if (vips_tiffsave(sharpened, baton->file_out.c_str(), "strip", TRUE, "compression", VIPS_FOREIGN_TIFF_COMPRESSION_JPEG, "Q", 80, NULL)) {
if (vips_tiffsave(sharpened, baton->file_out.c_str(), "strip", TRUE, "compression", VIPS_FOREIGN_TIFF_COMPRESSION_JPEG, "Q", baton->quality, NULL)) {
return resize_error(baton, sharpened);
}
} else {
@@ -345,8 +347,10 @@ NAN_METHOD(resize) {
baton->sharpen = args[6]->BooleanValue();
baton->progessive = args[7]->BooleanValue();
baton->access_method = args[8]->BooleanValue() ? VIPS_ACCESS_SEQUENTIAL : VIPS_ACCESS_RANDOM;
baton->quality = args[9]->Int32Value();
baton->compressionLevel = args[10]->Int32Value();
NanCallback *callback = new NanCallback(args[9].As<v8::Function>());
NanCallback *callback = new NanCallback(args[11].As<v8::Function>());
NanAsyncQueueWorker(new ResizeWorker(callback, baton));
NanReturnUndefined();