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@grapecity/gcimageviewer
Advanced tools
GrapeCity Documents Image Viewer
A JavaScript Image viewer and editor that comes with GrapeCity Documents for Imaging.
GrapeCity Documents Image Viewer (GcDocs Image Viewer, GcImageViewer) is a fast modern JavaScript based image viewer and editor that runs in all major browsers. The viewer can be used as a cross platform solution to view or modify images on Windows, MAC, Linux, iOS and Android devices. GcImageViewer is included in GrapeCity Documents for Image (GcImaging), a feature-rich cross-platform Image API library for .NET.
GcImageViewer provides a rich client side JavaScript object model, see docs/index.html for the client API documentation.
Product highlights:
- Works in all modern browsers including IE11, Edge, Chrome, FireFox, Opera, Safari.
- Works with pure JavaScript and frameworks such as Angular, Vue, ASP.NET Core, ASP.NET MVC, HTML5, React and Preact.
- Allows you to extend the viewer behavior and add new functionality using plug-ins.
- Provides a client API for creating and modifying image data.
- Supports raster image formats JPEG, PNG, WEBP, TIFF, GIF, BMP, ICO, and vector SVG format.
- ...and more.
See it in action
- Go to GrapeCity Documents Image Viewer demos to explore the various features of GcImageViewer. The demo site allows you to modify the demo code and immediately see the effect of your changes.
- The GrapeCity Documents for Imaging demos can optionally use GcImageViewer to show the sample images (to opt in or out of using GcImageViewer, click the blue "i(nformation)" icon in the top right corner of the image preview panel).
Latest changes
[1.1.3] - 31-May-2023
Fixed
- The expand toolbar of second toolbar is not visible in the theme "dark". (DOC-5340)
- Can not add image filter plugin to left side bar again if it was added and removed before. (DOC-5328)
- Add new PageToolsPlugin will affect old PageToolsPlugin. (DOC-5325)
- The ellipsis button should be hidden for PageTools/ImageFilters toolbars. (DOC-5371)
[1.1.0] - 03-Apr-2023
Added
- Added keyboard shortcuts: Undo/Redo: Ctrl+Z/Ctrl+Y, Rotate: R/Shift+R, Zoom-in/Zoom-out: Ctrl++/Ctrl+-, Zoom to 100%: Ctrl+0, File open: Ctrl+O.
- [Crop/resize tools] Keyboard shortcuts: Ctrl+Enter to apply changes, Esc to cancel.
- [Resize tool] Press and hold Shift to temporarily toggle the 'keep aspect ratio' setting.
- Added the ability to specify a custom renderer function for the second toolbar layout.
// Example:
viewer.secondToolbarLayout["hello-world-toolbar-key"] = (toolbarKey: string) => {
return [<div>Hello world, second toolbar key is {toolbarKey}</div>];
};
viewer.showSecondToolbar("hello-world-toolbar-key");
Changed
- Crop/resize tools improved (got rid of popup dialogs, toolbars changed). (DOC-4970)
Fixed
- [Image Filters Plugin] Clicking custom image filter plugin has no effect. (DOC-5329)
- [Page Tools Plugin] After several rotations unexpected white space appears. (DOC-5330)
- Miscellaneous minor fixes.
See CHANGELOG.md for previous release notes.
Installing and using the viewer
Installing from npmjs:
npm install @grapecity/gcimageviewer
Installing from the zip archive:
The following viewer distribution files are located in the zip archive:
build/README.md(this file)build/CHANGELOG.mdbuild/index.htmlbuild/gcimageviewer.jsbuild/plugins/(optional) Pluginsbuild/themes/(optional) Theme filesbuild/typings/(optional) Type definitions
Copy those files to an appropriate location accessible from the web page where the viewer will live, e.g. if the files are put in the directory where the web page is, the following HTML can be used to show the viewer:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<meta name="theme-color" content="#000000" />
<title>GrapeCity Documents Image Viewer Demo</title>
<script src="gcimageviewer.js"></script>
<script src="plugins/rotation.js"></script>
<script>
function loadImageViewer(selector) {
var viewer = new GcImageViewer(selector);
viewer.addPlugin(new RotationPlugin());
}
</script>
</head>
<body onload="loadImageViewer('#root')">
<div id="root"></div>
</body>
</html>
The End.
FAQs
Document Solutions Image Viewer
The npm package @grapecity/gcimageviewer receives a total of 18 weekly downloads. As such, @grapecity/gcimageviewer popularity was classified as not popular.
We found that @grapecity/gcimageviewer demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
Package last updated on 31 May 2023
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