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ScreenCapToVariable #1826

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216 changes: 216 additions & 0 deletions extensions/community/ScreenCapToVariable.json
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{
"author": "",
"category": "Advanced",
"extensionNamespace": "",
"fullName": "Screen Cap to Variable",
"gdevelopVersion": "",
"helpPath": "",
"iconUrl": "data:image/svg+xml;base64,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",
"name": "ScreenCapToVariable",
"previewIconUrl": "https://asset-resources.gdevelop.io/public-resources/Icons/ef66e1e2ef00223425b06ff34aaa9e7f41ea19971b1e5a1709307fadf3d19ca4_camera-iris.svg",
"shortDescription": "Captures part of the screen and saves it to text variable, and loads text encoded photos to sprite.",
"version": "0.0.1",
"description": [
"\"CaptureScreenArea\" lets you select an origin and size of a part of the screen to save into a text scene variable in Base64 jpeg format.",
"\"LoadBase64ToSprite\" replaces a sprite graphic with an image saved in a variable as base64 text."
],
"tags": [
"Capture",
"Base64",
"Text to sprite",
"Screen Capture",
"Image to Variable"
],
"authorIds": [
"J4ErxW9i1KSmpS8NJ55WqWwe8TT2"
],
"dependencies": [],
"globalVariables": [],
"sceneVariables": [],
"eventsFunctions": [
{
"description": "Capture a rectangular area of the screen to a variable.",
"fullName": "capture screen area",
"functionType": "Action",
"group": "Screen Capture",
"name": "CaptureScreenArea",
"sentence": "Capture screen area from _PARAM1_, _PARAM2_ with size _PARAM3_x_PARAM4_ into variable _PARAM5_",
"events": [
{
"type": "BuiltinCommonInstructions::Standard",
"conditions": [],
"actions": []
},
{
"type": "BuiltinCommonInstructions::JsCode",
"inlineCode": [
"const startX = eventsFunctionContext.getArgument(\"StartX\");",
"const startY = eventsFunctionContext.getArgument(\"StartY\");",
"const width = eventsFunctionContext.getArgument(\"Width\");",
"const height = eventsFunctionContext.getArgument(\"Height\");",
"const variable = eventsFunctionContext.getArgument(\"VariableName\");",
"",
"try {",
" const canvas = document.querySelector('canvas');",
" ",
" if (!canvas) {",
" throw new Error(\"No canvas found\");",
" }",
" ",
" const tempCanvas = document.createElement('canvas');",
" const tempCtx = tempCanvas.getContext('2d');",
" ",
" tempCanvas.width = width;",
" tempCanvas.height = height;",
" ",
" tempCtx.drawImage(canvas, startX, startY, width, height, 0, 0, width, height);",
" ",
" const base64Data = tempCanvas.toDataURL('image/jpeg', 0.8);",
"",
" // Set the variable directly (not by name)",
" variable.setString(base64Data);",
" ",
" console.log(\"Screen capture successful! Data size:\", base64Data.length, \"characters\");",
" ",
"} catch (error) {",
" console.error('Screen capture failed:', error);",
"}"
],
"parameterObjects": "",
"useStrict": true,
"eventsSheetExpanded": false
}
],
"parameters": [
{
"description": "StartX",
"name": "StartX",
"type": "expression"
},
{
"description": "StartY",
"name": "StartY",
"type": "expression"
},
{
"description": "Width",
"name": "Width",
"type": "expression"
},
{
"description": "Height",
"name": "Height",
"type": "expression"
},
{
"description": "Variable to store image data",
"name": "VariableName",
"type": "variable"
}
],
"objectGroups": []
},
{
"description": "Load base64 image data into a sprite.",
"fullName": "Load base64 to sprite",
"functionType": "Action",
"group": "Screen Capture",
"name": "LoadBase64ToSprite",
"sentence": "Load base64 data from variable _PARAM1_ into sprite _PARAM2_",
"events": [
{
"type": "BuiltinCommonInstructions::Standard",
"conditions": [],
"actions": []
},
{
"type": "BuiltinCommonInstructions::JsCode",
"inlineCode": [
"console.log(\"LoadBase64ToSprite function started\");",
"",
"try {",
" const variable = eventsFunctionContext.getArgument(\"Variable\");",
" const objects = eventsFunctionContext.getObjects(\"Object\");",
" ",
" const base64Data = variable.getAsString();",
" console.log(\"Base64 data length:\", base64Data.length);",
" ",
" if (objects.length > 0 && base64Data && base64Data.startsWith(\"data:image/\")) {",
" console.log(\"Creating Image object...\");",
" const img = new Image();",
" ",
" img.onload = function () {",
" console.log(\"Image loaded successfully!\");",
" console.log(\"Image dimensions:\", img.width, \"x\", img.height);",
" ",
" // Test PIXI texture creation",
" try {",
" console.log(\"Creating PIXI texture...\");",
" const texture = PIXI.Texture.from(img);",
" console.log(\"PIXI texture created successfully:\", texture);",
" ",
" // Test applying to objects",
" console.log(\"Applying texture to objects...\");",
" for (let i = 0; i < objects.length; i++) {",
" const obj = objects[i];",
" console.log(\"Processing object\", i);",
" ",
" const rendererObject = obj.getRendererObject();",
" console.log(\"Renderer object:\", rendererObject);",
" ",
" if (rendererObject && rendererObject.texture) {",
" rendererObject.texture = texture;",
" console.log(\"Texture applied to object\", i);",
" } else {",
" console.warn(\"Object\", i, \"renderer not found or invalid\");",
" }",
" }",
" ",
" console.log(\"SUCCESS: Process completed\");",
" ",
" } catch (pixiError) {",
" console.error(\"PIXI texture error:\", pixiError);",
" }",
" };",
" ",
" img.onerror = function () {",
" console.error(\"ERROR: Could not load image from base64 data\");",
" };",
" ",
" console.log(\"Setting image src...\");",
" img.src = base64Data;",
" ",
" } else {",
" console.error(\"ERROR: Requirements not met\");",
" console.log(\"Objects found:\", objects.length);",
" console.log(\"Base64 valid:\", base64Data ? base64Data.startsWith(\"data:image/\") : false);",
" }",
" ",
"} catch (error) {",
" console.error(\"Error in main function:\", error);",
"}"
],
"parameterObjects": "Object",
"useStrict": true,
"eventsSheetExpanded": false
}
],
"parameters": [
{
"description": "Variable containing base64 image data",
"name": "Variable",
"type": "variable"
},
{
"description": "Sprite object to load image into",
"name": "Object",
"supplementaryInformation": "Sprite",
"type": "objectList"
}
],
"objectGroups": []
}
],
"eventsBasedBehaviors": [],
"eventsBasedObjects": []
}