Merge pull request #1984 from firai/reset-latex-ea-script

Add script to reset the sizes of LaTeX equations

ea-scripts/README.md

@@ -61,6 +61,7 @@ Open the script you are interested in and save it to your Obsidian Vault includi
 |[OCR - Optical Character Recognition](OCR%20-%20Optical%20Character%20Recognition.md)|The script will  1) send the selected image file to [taskbone.com](https://taskbone.com) to extract the text from the image, and 2) will add the text to your drawing as a text element.|![](https://raw.githubusercontent.com/zsviczian/obsidian-excalidraw-plugin/master/images/scripts-ocr.jpg)|[@zsviczian](https://github.com/zsviczian)|
 |[Organic Line](Organic%20Line.md)|Converts selected freedraw lines such that pencil pressure will decrease from maximum to minimum from the beginning of the line to its end. The resulting line is placed at the back of the layers, under all other items. Helpful when drawing organic mindmaps.|![](https://raw.githubusercontent.com/zsviczian/obsidian-excalidraw-plugin/master/images/scripts-organic-line.jpg)|[@zsviczian](https://github.com/zsviczian)|
 |[Repeat Elements](Repeat%20Elements.md)|This script will detect the difference between 2 selected elements, including position, size, angle, stroke and background color, and create several elements that repeat these differences based on the number of repetitions entered by the user.|![](https://raw.githubusercontent.com/zsviczian/obsidian-excalidraw-plugin/master/images/scripts-repeat-elements.png)|[@1-2-3](https://github.com/1-2-3)|
+|[Reset LaTeX Size](Reset%20LaTeX%20Size.md)|Reset the sizes of embedded LaTeX equations to the default sizes or a multiple of the default sizes.|![](https://raw.githubusercontent.com/zsviczian/obsidian-excalidraw-plugin/master/images/scripts-reset-latex.jpg)|[@firai](https://github.com/firai)|
 |[Reverse arrows](Reverse%20arrows.md)|Reverse the direction of **arrows** within the scope of selected elements.|![](https://raw.githubusercontent.com/zsviczian/obsidian-excalidraw-plugin/master/images/scripts-reverse-arrow.jpg)|[@zsviczian](https://github.com/zsviczian)|
 |[Scribble Helper](Scribble%20Helper.md)|iOS scribble helper for better handwriting experience with text elements. If no elements are selected then the creates a text element at pointer position and you can use the edit box to modify the text with scribble. If a text element is selected then opens the input prompt where you can modify this text with scribble.|![]('https://raw.githubusercontent.com/zsviczian/obsidian-excalidraw-plugin/master/images/scripts-scribble-helper.jpg')|[@zsviczian](https://github.com/zsviczian)|
 |[Select Elements of Type](Select%20Elements%20of%20Type.md)|Prompts you with a list of the different element types in the active image. Only elements of the selected type will be selected on the canvas. If nothing is selected when running the script, then the script will process all the elements on the canvas. If some elements are selected when the script is executed, then the script will only process the selected elements.<br>The script is useful when, for example, you want to bring to front all the arrows, or want to change the color of all the text elements, etc.|![]('https://raw.githubusercontent.com/zsviczian/obsidian-excalidraw-plugin/master/images/scripts-select-element-of-type.jpg')|[@zsviczian](https://github.com/zsviczian)|

ea-scripts/Reset LaTeX Size.md

@@ -0,0 +1,31 @@
+
+/*
+![](https://raw.githubusercontent.com/zsviczian/obsidian-excalidraw-plugin/master/images/scripts-reset-latex.jpg)
+
+Reset the sizes of embedded LaTeX equations to the default sizes or a multiple of the default sizes.
+
+```javascript
+*/
+
+if (!ea.verifyMinimumPluginVersion || !ea.verifyMinimumPluginVersion("2.4.0")) {
+  new Notice("This script requires a newer version of Excalidraw. Please install the latest version.");
+  return;
+}
+
+let elements = ea.getViewSelectedElements().filter((el)=>["image"].includes(el.type));
+if (elements.length === 0) return;
+
+scale = await utils.inputPrompt("Scale?", "Number", "1");
+if (!scale) return;
+scale = parseFloat(scale);
+
+for (el of elements) {
+  equation = ea.targetView.excalidrawData.getEquation(el.fileId)?.latex;
+  if (!equation) return;
+  eqData = await ea.tex2dataURL(equation);
+  el.width = eqData.size.width * scale;
+  el.height = eqData.size.height * scale;
+};
+
+ea.copyViewElementsToEAforEditing(elements);
+ea.addElementsToView(false, false);