Docs: Share panel image preview (#98039)

docs/sources/dashboards/share-dashboards-panels/_index.md

@@ -52,6 +52,21 @@ refs:
       destination: /docs/grafana/<GRAFANA_VERSION>/setup-grafana/image-rendering/#configuration
     - pattern: /docs/grafana-cloud/
       destination: /docs/grafana/<GRAFANA_VERSION>/setup-grafana/image-rendering/#configuration
+  max-width:
+    - pattern: /docs/grafana/
+      destination: /docs/grafana/<GRAFANA_VERSION>/setup-grafana/image-rendering/#viewport-maximum-width
+    - pattern: /docs/grafana-cloud/
+      destination: /docs/grafana/<GRAFANA_VERSION>/setup-grafana/image-rendering/#viewport-maximum-width
+  max-height:
+    - pattern: /docs/grafana/
+      destination: /docs/grafana/<GRAFANA_VERSION>/setup-grafana/image-rendering/#viewport-maximum-height
+    - pattern: /docs/grafana-cloud/
+      destination: /docs/grafana/<GRAFANA_VERSION>/setup-grafana/image-rendering/#viewport-maximum-height
+  max-scale:
+    - pattern: /docs/grafana/
+      destination: /docs/grafana/<GRAFANA_VERSION>/setup-grafana/image-rendering/#maximum-device-scale-factor
+    - pattern: /docs/grafana-cloud/
+      destination: /docs/grafana/<GRAFANA_VERSION>/setup-grafana/image-rendering/#maximum-device-scale-factor
 ---
 
 # Share dashboards and panels
@@ -239,20 +254,29 @@ To share a personalized, direct link to your panel within your organization, fol
    - **Lock time range** - Change the current relative time range to an absolute time range. This option is enabled by default.
    - **Shorten link** - Shorten the panel link. This option is disabled by default.
 1. Select the theme for the dashboard. Choose from **Current**, **Dark**, or **Light**.
-1. Do one or both of the following:
-   - Click **Copy link**.
-   - Click **Render image**, which [renders the panel as a PNG image](ref:image-rendering).
-1. Send the copied link or image URL to a Grafana user with authorization to view it.
+1. Click **Copy link**.
+1. Send the copied link to a Grafana user with authorization to view it.
+1. (Optional) To [generate an image of the panel as a PNG file](ref:image-rendering), customize the image settings:
+
+   - **Width** - In pixels. The default is 1000.
+   - **Height** - In pixels. The default is 500.
+   - **Scale factor** - The default is 1.
+
+   There are maximums for [width](ref:max-width), [height](ref:max-height), and [scale factor](ref:max-scale) in the image renderer configuration that you can customize if needed.
+
+1. (Optional) Click **Generate image** to see a preview of the panel image.
+1. (Optional) Click **Download image**.
+1. Send the copied image to a Grafana user with authorization to view it.
 1. Click the **X** at the top-right corner to close the share drawer.
 
 #### Query string parameters for server-side rendered images
 
-When you click **Render image** in the panel link settings, Grafana generates a PNG image of the panel with the following default parameters:
+When you click **Generate image** in the panel link settings, Grafana generates a PNG image of the panel with the following default parameters:
 
 | Parameter | Description                                                                                                                    |
 | --------- | ------------------------------------------------------------------------------------------------------------------------------ |
-| width     | Width in pixels. Default is 800.                                                                                               |
-| height    | Height in pixels. Default is 400.                                                                                              |
+| width     | Width in pixels. Default is 1000.                                                                                              |
+| height    | Height in pixels. Default is 500.                                                                                              |
 | tz        | Timezone in the format `UTC%2BHH%3AMM` where HH and MM are offset in hours and minutes after UTC.                              |
 | timeout   | Number of seconds. The timeout can be increased if the query for the panel needs more than the default 30 seconds.             |
 | scale     | Numeric value to configure device scale factor. Default is 1. Use a higher value to produce more detailed images (higher DPI). |