[Docs] Using diffusers (open-mmlab#428)

* [Docs] Using diffusers

* up

docs/source/using-diffusers/conditional_image_generation.mdx

@@ -10,8 +10,6 @@ an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express o
 specific language governing permissions and limitations under the License.
 -->
 
-
-
 # Conditional Image Generation
 
 The [`DiffusionPipeline`] is the easiest way to use a pre-trained diffusion system for inference

docs/source/using-diffusers/custom.mdx

@@ -10,23 +10,6 @@ an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express o
 specific language governing permissions and limitations under the License.
 -->
 
+# Custom Pipeline
 
-
-# Quicktour
-
-Start using Diffusers🧨 quickly!
-To start, use the [`DiffusionPipeline`] for quick inference and sample generations!
-
-```
-pip install diffusers
-```
-
-## Main classes
-
-### Models
-
-### Schedulers
-
-### Pipeliens
-
-
+Under construction 🚧

docs/source/using-diffusers/img2img.mdx

@@ -10,23 +10,37 @@ an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express o
 specific language governing permissions and limitations under the License.
 -->
 
+# Text-Guided Image-to-Image Generation
 
+The [`StableDiffusionImg2ImgPipeline`] lets you pass a text prompt and an initial image to condition the generation of new images.
 
-# Quicktour
+```python
+from torch import autocast
+import requests
+from PIL import Image
+from io import BytesIO
 
-Start using Diffusers🧨 quickly!
-To start, use the [`DiffusionPipeline`] for quick inference and sample generations!
+from diffusers import StableDiffusionImg2ImgPipeline
 
-```
-pip install diffusers
-```
+# load the pipeline
+device = "cuda"
+pipe = StableDiffusionImg2ImgPipeline.from_pretrained(
+    "CompVis/stable-diffusion-v1-4", revision="fp16", torch_dtype=torch.float16, use_auth_token=True
+).to(device)
 
-## Main classes
+# let's download an initial image
+url = "https://raw.githubusercontent.com/CompVis/stable-diffusion/main/assets/stable-samples/img2img/sketch-mountains-input.jpg"
 
-### Models
+response = requests.get(url)
+init_image = Image.open(BytesIO(response.content)).convert("RGB")
+init_image = init_image.resize((768, 512))
 
-### Schedulers
+prompt = "A fantasy landscape, trending on artstation"
 
-### Pipeliens
+with autocast("cuda"):
+    images = pipe(prompt=prompt, init_image=init_image, strength=0.75, guidance_scale=7.5).images
 
+images[0].save("fantasy_landscape.png")
+```
+You can also run this example on colab [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/patil-suraj/Notebooks/blob/master/image_2_image_using_diffusers.ipynb)
 

docs/source/using-diffusers/inpaint.mdx

@@ -10,23 +10,41 @@ an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express o
 specific language governing permissions and limitations under the License.
 -->
 
+# Text-Guided Image-Inpainting
 
+The [`StableDiffusionInpaintPipeline`] lets you edit specific parts of an image by providing a mask and text prompt.
 
-# Quicktour
+```python
+from io import BytesIO
 
-Start using Diffusers🧨 quickly!
-To start, use the [`DiffusionPipeline`] for quick inference and sample generations!
+from torch import autocast
+import requests
+import PIL
+
+from diffusers import StableDiffusionInpaintPipeline
 
-```
-pip install diffusers
-```
 
-## Main classes
+def download_image(url):
+    response = requests.get(url)
+    return PIL.Image.open(BytesIO(response.content)).convert("RGB")
 
-### Models
 
-### Schedulers
+img_url = "https://raw.githubusercontent.com/CompVis/latent-diffusion/main/data/inpainting_examples/overture-creations-5sI6fQgYIuo.png"
+mask_url = "https://raw.githubusercontent.com/CompVis/latent-diffusion/main/data/inpainting_examples/overture-creations-5sI6fQgYIuo_mask.png"
 
-### Pipeliens
+init_image = download_image(img_url).resize((512, 512))
+mask_image = download_image(mask_url).resize((512, 512))
 
+device = "cuda"
+pipe = StableDiffusionInpaintPipeline.from_pretrained(
+    "CompVis/stable-diffusion-v1-4", revision="fp16", torch_dtype=torch.float16, use_auth_token=True
+).to(device)
+
+prompt = "a cat sitting on a bench"
+with autocast("cuda"):
+    images = pipe(prompt=prompt, init_image=init_image, mask_image=mask_image, strength=0.75).images
+
+images[0].save("cat_on_bench.png")
+```
 
+You can also run this example on colab [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/patil-suraj/Notebooks/blob/master/in_painting_with_stable_diffusion_using_diffusers.ipynb)

docs/source/using-diffusers/loading.mdx

@@ -10,23 +10,6 @@ an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express o
 specific language governing permissions and limitations under the License.
 -->
 
+# Loading 
 
-
-# Quicktour
-
-Start using Diffusers🧨 quickly!
-To start, use the [`DiffusionPipeline`] for quick inference and sample generations!
-
-```
-pip install diffusers
-```
-
-## Main classes
-
-### Models
-
-### Schedulers
-
-### Pipeliens
-
-
+Under construction 🚧