Cómo agregar imágenes a una diapositiva

En esta página, se describe cómo agregar imágenes a una presentación existente de Presentaciones de Google. Cuando se agrega una imagen, se proporciona a la API de Presentaciones de Google una URL de acceso público a la imagen.

Acerca de las imágenes

Las imágenes de la API de Presentaciones son un tipo de elemento de página. Al igual que con cualquier elemento de página, debes especificar el tamaño visual y la posición de la imagen con las propiedades size y transform de PageElement. Si deseas obtener más detalles para cambiar el tamaño y la posición de tu imagen correctamente, consulta Cómo ajustar el tamaño y la posición de las formas.

Para agregar una imagen, usa el método CreateImageRequest. Las imágenes deben tener un tamaño inferior a 50 MB, no pueden superar los 25 megapíxeles y deben estar en formato PNG, JPEG o GIF.

Ejemplo

En este ejemplo, se usa la API de Presentaciones para agregar una imagen a una presentación.

Apps Script

slides/api/Snippets.gs
/**
 * Create a new image, using the supplied object ID, with content downloaded from imageUrl.
 * @param {string} presentationId
 * @param {string} pageId
 * @returns {*}
 */
function createImage(presentationId, pageId) {
  let requests = [];
  const imageId = 'MyImage_01';
  const imageUrl = 'https://www.google.com/images/branding/googlelogo/2x/' +
      'googlelogo_color_272x92dp.png';
  const emu4M = {
    magnitude: 4000000,
    unit: 'EMU'
  };
  requests.push({
    createImage: {
      objectId: imageId,
      url: imageUrl,
      elementProperties: {
        pageObjectId: pageId,
        size: {
          height: emu4M,
          width: emu4M
        },
        transform: {
          scaleX: 1,
          scaleY: 1,
          translateX: 100000,
          translateY: 100000,
          unit: 'EMU'
        }
      }
    }
  });

  // Execute the request.
  try {
    const response = Slides.Presentations.batchUpdate({
      requests: requests
    }, presentationId);

    const createImageResponse = response.replies;
    console.log('Created image with ID: %s', createImageResponse[0].createImage.objectId);

    return createImageResponse;
  } catch (err) {
    // TODO (Developer) - Handle exception
    console.log('Failed with error: %s', err.error);
  }
};

Go

diapositivas/fragmentos/presentaciones.go
// Create a new image, using the supplied object ID, with content downloaded from imageURL.
imageId := "MyImageId_01"
emu4M := slides.Dimension{Magnitude: 4000000, Unit: "EMU"}
requests := []*slides.Request{{
	CreateImage: &slides.CreateImageRequest{
		ObjectId: imageId,
		Url:      imageURL,
		ElementProperties: &slides.PageElementProperties{
			PageObjectId: slideId,
			Size: &slides.Size{
				Height: &emu4M,
				Width:  &emu4M,
			},
			Transform: &slides.AffineTransform{
				ScaleX:     1.0,
				ScaleY:     1.0,
				TranslateX: 100000.0,
				TranslateY: 100000.0,
				Unit:       "EMU",
			},
		},
	},
}}

// Execute the request.
body := &slides.BatchUpdatePresentationRequest{
	Requests: requests,
}
response, err := slidesService.Presentations.BatchUpdate(presentationId, body).Do()
if err != nil {
	log.Fatalf("Unable to create image. %v", err)
} else {
	fmt.Printf("Created image with ID: %s", response.Replies[0].CreateImage.ObjectId)
}

Java

slides/snippets/src/main/java/CreateImage.java
import com.google.api.client.googleapis.json.GoogleJsonError;
import com.google.api.client.googleapis.json.GoogleJsonResponseException;
import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.gson.GsonFactory;
import com.google.api.services.slides.v1.Slides;
import com.google.api.services.slides.v1.SlidesScopes;
import com.google.api.services.slides.v1.model.AffineTransform;
import com.google.api.services.slides.v1.model.BatchUpdatePresentationRequest;
import com.google.api.services.slides.v1.model.BatchUpdatePresentationResponse;
import com.google.api.services.slides.v1.model.CreateImageRequest;
import com.google.api.services.slides.v1.model.CreateImageResponse;
import com.google.api.services.slides.v1.model.Dimension;
import com.google.api.services.slides.v1.model.PageElementProperties;
import com.google.api.services.slides.v1.model.Request;
import com.google.api.services.slides.v1.model.Size;
import com.google.auth.http.HttpCredentialsAdapter;
import com.google.auth.oauth2.GoogleCredentials;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/* Class to demonstrate the use of Slides Create Image API */
public class CreateImage {
  /**
   * Create a new image, using the supplied object ID, with content
   * downloaded from imageUrl.
   *
   * @param presentationId - id of the presentation.
   * @param slideId        - id of the shape.
   * @param imageUrl       - Url of the image.
   * @return image id
   * @throws IOException - if credentials file not found.
   */
  public static BatchUpdatePresentationResponse createImage(String presentationId,
                                                            String slideId,
                                                            String imageUrl)
      throws IOException {
        /* Load pre-authorized user credentials from the environment.
           TODO(developer) - See https://developers.google.com/identity for
            guides on implementing OAuth2 for your application. */
    GoogleCredentials credentials = GoogleCredentials.getApplicationDefault()
        .createScoped(Collections.singleton(SlidesScopes.PRESENTATIONS));
    HttpRequestInitializer requestInitializer = new HttpCredentialsAdapter(
        credentials);

    // Create the slides API client
    Slides service = new Slides.Builder(new NetHttpTransport(),
        GsonFactory.getDefaultInstance(),
        requestInitializer)
        .setApplicationName("Slides samples")
        .build();

    // Create a new image, using the supplied object ID, with content downloaded from imageUrl.
    List<Request> requests = new ArrayList<>();
    String imageId = "MyImageId_01";
    Dimension emu4M = new Dimension().setMagnitude(4000000.0).setUnit("EMU");
    requests.add(new Request()
        .setCreateImage(new CreateImageRequest()
            .setObjectId(imageId)
            .setUrl(imageUrl)
            .setElementProperties(new PageElementProperties()
                .setPageObjectId(slideId)
                .setSize(new Size()
                    .setHeight(emu4M)
                    .setWidth(emu4M))
                .setTransform(new AffineTransform()
                    .setScaleX(1.0)
                    .setScaleY(1.0)
                    .setTranslateX(100000.0)
                    .setTranslateY(100000.0)
                    .setUnit("EMU")))));

    BatchUpdatePresentationResponse response = null;
    try {
      // Execute the request.
      BatchUpdatePresentationRequest body =
          new BatchUpdatePresentationRequest().setRequests(requests);
      response = service.presentations().batchUpdate(presentationId, body).execute();
      CreateImageResponse createImageResponse = response.getReplies().get(0).getCreateImage();
      // Prints the created image id.
      System.out.println("Created image with ID: " + createImageResponse.getObjectId());
    } catch (GoogleJsonResponseException e) {
      // TODO(developer) - handle error appropriately
      GoogleJsonError error = e.getDetails();
      if (error.getCode() == 404) {
        System.out.printf("Presentation not found with id '%s'.\n", presentationId);
      } else {
        throw e;
      }
    }
    return response;
  }
}

JavaScript

Slides/snippets/slides_create_image.js
function createImage(presentationId, pageId, IMAGE_URL, callback) {
  const imageUrl = IMAGE_URL;
  // Create a new image, using the supplied object ID, with content downloaded from imageUrl.
  const requests = [];
  const imageId = 'MyImage_02';
  const emu4M = {
    magnitude: 4000000,
    unit: 'EMU',
  };
  requests.push({
    createImage: {
      objectId: imageId,
      url: imageUrl,
      elementProperties: {
        pageObjectId: pageId,
        size: {
          height: emu4M,
          width: emu4M,
        },
        transform: {
          scaleX: 1,
          scaleY: 1,
          translateX: 100000,
          translateY: 100000,
          unit: 'EMU',
        },
      },
    },
  });
  // Execute the request.
  try {
    gapi.client.slides.presentations.batchUpdate({
      presentationId: presentationId,
      requests: requests,
    }).then((response) => {
      const createImageResponse = response.result.replies;
      console.log(`Created image with ID: ${createImageResponse[0].createImage.objectId}`);
      if (callback) callback(createImageResponse);
    });
  } catch (err) {
    document.getElementById('content').innerText = err.message;
    return;
  }
}

Node.js

Slides/snippets/slides_create_image.js
/**
 * Adds an image to a presentation.
 * @param {string} presentationId The presentation ID.
 * @param {string} pageId The presentation page ID.
 */
async function createImage(presentationId, pageId) {
  const {GoogleAuth} = require('google-auth-library');
  const {google} = require('googleapis');

  const auth = new GoogleAuth({
    scopes: 'https://www.googleapis.com/auth/presentations',
  });

  const service = google.slides({version: 'v1', auth});

  const imageUrl =
    'https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png';
  // Create a new image, using the supplied object ID, with content downloaded from imageUrl.
  const imageId = 'MyImage_01';
  const emu4M = {
    magnitude: 4000000,
    unit: 'EMU',
  };
  const requests = [
    {
      createImage: {
        objectId: imageId,
        url: imageUrl,
        elementProperties: {
          pageObjectId: pageId,
          size: {
            height: emu4M,
            width: emu4M,
          },
          transform: {
            scaleX: 1,
            scaleY: 1,
            translateX: 100000,
            translateY: 100000,
            unit: 'EMU',
          },
        },
      },
    },
  ];

  // Execute the request.
  try {
    const response = await service.presentations.batchUpdate({
      presentationId,
      resource: {requests},
    });
    const createImageResponse = response.data.replies;
    console.log(
        `Created image with ID: ${createImageResponse[0].createImage.objectId}`,
    );
    return createImageResponse;
  } catch (err) {
    // TODO (developer) - Handle exception
    throw err;
  }
}

PHP

slides/snippets/src/SlidesCreateImage.php
use Google\Client;
use Google\Service\Drive;
use Google\Service\Slides;
use Google\Service\Slides\Request;


function createImage($presentationId, $pageId)
{
    /* Load pre-authorized user credentials from the environment.
    TODO(developer) - See https://developers.google.com/identity for
        guides on implementing OAuth2 for your application. */
    $client = new Google\Client();
    $client->useApplicationDefaultCredentials();
    $client->addScope(Google\Service\Drive::DRIVE);
    $slidesService = new Google_Service_Slides($client);

    try {

        $imageUrl = 'https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png';
        // Create a new image, using the supplied object ID, with content downloaded from imageUrl.
        $imageId = 'MyImage_01asdfsadfasdf';
        $emu4M = array('magnitude' => 4000000, 'unit' => 'EMU');
        $requests[] = new Google_Service_Slides_Request(array(
            'createImage' => array(
                'objectId' => $imageId,
                'url' => $imageUrl,
                'elementProperties' => array(
                    'pageObjectId' => $pageId,
                    'size' => array(
                        'height' => $emu4M,
                        'width' => $emu4M
                    ),
                    'transform' => array(
                        'scaleX' => 1,
                        'scaleY' => 1,
                        'translateX' => 100000,
                        'translateY' => 100000,
                        'unit' => 'EMU'
                    )
                )
            )
        ));

        // Execute the request.
        $batchUpdateRequest = new Google_Service_Slides_BatchUpdatePresentationRequest(array(
            'requests' => $requests
        ));
        $response = $slidesService->presentations->batchUpdate($presentationId, $batchUpdateRequest);
        $createImageResponse = $response->getReplies()[0]->getCreateImage();
        printf("Created image with ID: %s\n", $createImageResponse->getObjectId());

        return $response;
    } catch (Exception $e) {
        echo 'Message: ' . $e->getMessage();
    }
}

Python

slides/snippets/slides_create_image.py
import google.auth
from googleapiclient.discovery import build
from googleapiclient.errors import HttpError


def create_image(presentation_id, page_id):
  """
  Creates images the user has access to.
  Load pre-authorized user credentials from the environment.
  TODO(developer) - See https://developers.google.com/identity
  for guides on implementing OAuth2 for the application.
  """

  creds, _ = google.auth.default()
  # pylint: disable=maybe-no-member
  try:
    service = build("slides", "v1", credentials=creds)
    # pylint: disable = invalid-name
    IMAGE_URL = (
        "https://www.google.com/images/branding/"
        "googlelogo/2x/googlelogo_color_272x92dp.png"
    )
    # pylint: disable=invalid-name
    requests = []
    image_id = "MyImage_11"
    emu4M = {"magnitude": 4000000, "unit": "EMU"}
    requests.append(
        {
            "createImage": {
                "objectId": image_id,
                "url": IMAGE_URL,
                "elementProperties": {
                    "pageObjectId": page_id,
                    "size": {"height": emu4M, "width": emu4M},
                    "transform": {
                        "scaleX": 1,
                        "scaleY": 1,
                        "translateX": 100000,
                        "translateY": 100000,
                        "unit": "EMU",
                    },
                },
            }
        }
    )

    # Execute the request.
    body = {"requests": requests}
    response = (
        service.presentations()
        .batchUpdate(presentationId=presentation_id, body=body)
        .execute()
    )
    create_image_response = response.get("replies")[0].get("createImage")
    print(f"Created image with ID: {(create_image_response.get('objectId'))}")

    return response
  except HttpError as error:
    print(f"An error occurred: {error}")
    print("Images not created")
    return error


if __name__ == "__main__":
  # Put the presentation_id, Page_id of slides whose list needs
  # to be submitted.
  create_image("12SQU9Ik-ShXecJoMtT-LlNwEPiFR7AadnxV2KiBXCnE", "My2ndpage")

Ruby

slides/snippets/lib/file_snippets.rb
# Create a new image, using the supplied object ID, with content downloaded from image_url.
requests = []
image_id = 'MyImage_01'
emu4M = {
  magnitude: '4000000',
  unit:      'EMU'
}
requests << {
  create_image: {
    object_id_prop:     image_id,
    url:                IMAGE_URL,
    element_properties: {
      page_object_id: page_id,
      size:           {
        height: emu4M,
        width:  emu4M
      },
      transform:      {
        scale_x:     '1',
        scale_y:     '1',
        translate_x: '100000',
        translate_y: '100000',
        unit:        'EMU'
      }
    }
  }
}

# Execute the request.
req = Google::Apis::SlidesV1::BatchUpdatePresentationRequest.new(requests: requests)
response = slides_service.batch_update_presentation(
  presentation_id,
  req
)
create_image_response = response.replies[0].create_image
puts "Created image with ID: #{create_image_response.object_id}"