Duplicate from gradio/gallery_selections_main

Co-authored-by: Ali Abdalla <[email protected]>

.gitattributes

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README.md

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+---
+title: gallery_selections_main
+emoji: 🔥
+colorFrom: indigo
+colorTo: indigo
+sdk: gradio
+sdk_version: 3.27.0
+app_file: run.py
+pinned: false
+duplicated_from: gradio/gallery_selections_main
+---

requirements.txt

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+
+https://gradio-main-build.s3.amazonaws.com/1598680376044e865e1230257d497d68c7465e46/gradio-3.27.0-py3-none-any.whl

run.ipynb

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+{"cells": [{"cell_type": "markdown", "id": 302934307671667531413257853548643485645, "metadata": {}, "source": ["# Gradio Demo: gallery_selections"]}, {"cell_type": "code", "execution_count": null, "id": 272996653310673477252411125948039410165, "metadata": {}, "outputs": [], "source": ["!pip install -q gradio "]}, {"cell_type": "code", "execution_count": null, "id": 288918539441861185822528903084949547379, "metadata": {}, "outputs": [], "source": ["import gradio as gr\n", "import numpy as np\n", "\n", "with gr.Blocks() as demo:\n", "    imgs = gr.State()\n", "    gallery = gr.Gallery()\n", "\n", "    def generate_images():\n", "        images = []\n", "        for _ in range(9):\n", "            image = np.ones((100, 100, 3), dtype=np.uint8) * np.random.randint(\n", "                0, 255, 3\n", "            )  # image is a solid single color\n", "            images.append(image)\n", "        return images, images\n", "\n", "    demo.load(generate_images, None, [gallery, imgs])\n", "\n", "    with gr.Row():\n", "        selected = gr.Number(show_label=False, placeholder=\"Selected\")\n", "        darken_btn = gr.Button(\"Darken selected\")\n", "\n", "    def get_select_index(evt: gr.SelectData):\n", "        return evt.index\n", "\n", "    gallery.select(get_select_index, None, selected)\n", "\n", "    def darken_img(imgs, index):\n", "        index = int(index)\n", "        imgs[index] = np.round(imgs[index] * 0.8).astype(np.uint8)\n", "        return imgs, imgs\n", "\n", "    darken_btn.click(darken_img, [imgs, selected], [imgs, gallery])\n", "\n", "if __name__ == \"__main__\":\n", "    demo.launch()\n"]}], "metadata": {}, "nbformat": 4, "nbformat_minor": 5}

run.py

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+import gradio as gr
+import numpy as np
+
+with gr.Blocks() as demo:
+    imgs = gr.State()
+    gallery = gr.Gallery()
+
+    def generate_images():
+        images = []
+        for _ in range(9):
+            image = np.ones((100, 100, 3), dtype=np.uint8) * np.random.randint(
+                0, 255, 3
+            )  # image is a solid single color
+            images.append(image)
+        return images, images
+
+    demo.load(generate_images, None, [gallery, imgs])
+
+    with gr.Row():
+        selected = gr.Number(show_label=False, placeholder="Selected")
+        darken_btn = gr.Button("Darken selected")
+
+    def get_select_index(evt: gr.SelectData):
+        return evt.index
+
+    gallery.select(get_select_index, None, selected)
+
+    def darken_img(imgs, index):
+        index = int(index)
+        imgs[index] = np.round(imgs[index] * 0.8).astype(np.uint8)
+        return imgs, imgs
+
+    darken_btn.click(darken_img, [imgs, selected], [imgs, gallery])
+
+if __name__ == "__main__":
+    demo.launch()