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Allow page input option to be set for PDF (#1595)

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This commit is contained in:
Fabrizio Ruggeri 2019-03-02 00:29:34 +01:00 committed by Lovell Fuller
parent 2262959673
commit 5afe02be60
3 changed files with 5 additions and 5 deletions
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2
docs/api-constructor.md
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@ -12,7 +12,7 @@
- `options.failOnError` **[Boolean][4]** by default halt processing and raise an error when loading invalid images.
Set this flag to `false` if you'd rather apply a "best effort" to decode images, even if the data is corrupt or invalid. (optional, default `true`)
- `options.density` **[Number][5]** number representing the DPI for vector images. (optional, default `72`)
- `options.page` **[Number][5]** page number to extract for multi-page input (GIF, TIFF) (optional, default `0`)
- `options.page` **[Number][5]** page number to extract for multi-page input (GIF, TIFF, PDF) (optional, default `0`)
- `options.raw` **[Object][3]?** describes raw pixel input image data. See `raw()` for pixel ordering.
- `options.raw.width` **[Number][5]?**
- `options.raw.height` **[Number][5]?**

2
lib/constructor.js
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@ -64,7 +64,7 @@ const debuglog = util.debuglog('sharp');
* @param {Boolean} [options.failOnError=true] - by default halt processing and raise an error when loading invalid images.
* Set this flag to `false` if you'd rather apply a "best effort" to decode images, even if the data is corrupt or invalid.
* @param {Number} [options.density=72] - number representing the DPI for vector images.
* @param {Number} [options.page=0] - page number to extract for multi-page input (GIF, TIFF)
* @param {Number} [options.page=0] - page number to extract for multi-page input (GIF, TIFF, PDF)
* @param {Object} [options.raw] - describes raw pixel input image data. See `raw()` for pixel ordering.
* @param {Number} [options.raw.width]
* @param {Number} [options.raw.height]

6
src/common.cc
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@ -71,7 +71,7 @@ namespace sharp {
descriptor->rawWidth = AttrTo<uint32_t>(input, "rawWidth");
descriptor->rawHeight = AttrTo<uint32_t>(input, "rawHeight");
}
// Page input for multi-page TIFF
// Page input for multi-page TIFF, PDF
if (HasAttr(input, "page")) {
descriptor->page = AttrTo<uint32_t>(input, "page");
}
@ -243,7 +243,7 @@ namespace sharp {
if (imageType == ImageType::MAGICK) {
option->set("density", std::to_string(descriptor->density).data());
}
if (imageType == ImageType::TIFF) {
if (imageType == ImageType::TIFF || imageType == ImageType::PDF) {
option->set("page", descriptor->page);
}
image = VImage::new_from_buffer(descriptor->buffer, descriptor->bufferLength, nullptr, option);
@ -288,7 +288,7 @@ namespace sharp {
if (imageType == ImageType::MAGICK) {
option->set("density", std::to_string(descriptor->density).data());
}
if (imageType == ImageType::TIFF) {
if (imageType == ImageType::TIFF || imageType == ImageType::PDF) {
option->set("page", descriptor->page);
}
image = VImage::new_from_file(descriptor->file.data(), option);