Java tutorial
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See the License for the specific language governing permissions and limitations under the License. ==================================================================== */ package org.apache.poi.sl.usermodel; import java.awt.Dimension; import java.io.Closeable; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.List; import org.apache.poi.common.usermodel.fonts.FontInfo; import org.apache.poi.extractor.POITextExtractor; import org.apache.poi.sl.usermodel.PictureData.PictureType; public interface SlideShow<S extends Shape<S, P>, P extends TextParagraph<S, P, ? extends TextRun>> extends Closeable { Slide<S, P> createSlide() throws IOException; List<? extends Slide<S, P>> getSlides(); MasterSheet<S, P> createMasterSheet() throws IOException; /** * Returns all slide masters. * This doesn't include notes master and other arbitrary masters. */ List<? extends MasterSheet<S, P>> getSlideMasters(); /** * Returns the current page size * * @return the page size */ Dimension getPageSize(); /** * Change the current page size * * @param pgsize page size (in points) */ void setPageSize(Dimension pgsize); /** * Returns all Pictures of this slideshow. * The returned {@link List} is unmodifiable. * @return a {@link List} of {@link PictureData}. */ List<? extends PictureData> getPictureData(); /** * Adds a picture to the presentation. * * @param pictureData The bytes of the picture * @param format The format of the picture. * * @return the picture data reference. */ PictureData addPicture(byte[] pictureData, PictureType format) throws IOException; /** * Adds a picture to the presentation. * * @param is The stream to read the image from * @param format The format of the picture. * * @return the picture data reference. * @since 3.15 beta 1 */ PictureData addPicture(InputStream is, PictureType format) throws IOException; /** * Adds a picture to the presentation. * * @param pict The file containing the image to add * @param format The format of the picture. * * @return the picture data reference * @since 3.15 beta 1 */ PictureData addPicture(File pict, PictureType format) throws IOException; /** * check if a picture with this picture data already exists in this presentation * * @param pictureData The picture data to find in the SlideShow * @return {@code null} if picture data is not found in this slideshow * @since 3.15 beta 3 */ PictureData findPictureData(byte[] pictureData); /** * Writes out the slideshow file the is represented by an instance of this * class * * @param out * The OutputStream to write to. * @throws IOException * If there is an unexpected IOException from the passed in * OutputStream */ void write(OutputStream out) throws IOException; /** * @return an extractor for the slideshow metadata * * @since POI 4.0.0 */ POITextExtractor getMetadataTextExtractor(); /** * @return the instance which handles the persisting of the slideshow, * which is either a subclass of {@link org.apache.poi.POIDocument} * or {@link org.apache.poi.ooxml.POIXMLDocument} * * @since POI 4.0.0 */ Object getPersistDocument(); /** * Add an EOT font to the slideshow. * An EOT or MTX font is a transformed True-Type (.ttf) or Open-Type (.otf) font. * To transform a True-Type font use the sfntly library (see "see also" below)<p> * * (Older?) Powerpoint versions handle embedded fonts by converting them to .ttf files * and put them into the Windows fonts directory. If the user is not allowed to install * fonts, the slideshow can't be opened. While the slideshow is opened, its possible * to copy the extracted .ttfs from the fonts directory. When the slideshow is closed, * they will be removed. * * @param fontData the EOT font as stream * @return the font info object containing the new font data * @throws IOException if the fontData can't be saved or if the fontData is no EOT font * * @see <a href="http://www.w3.org/Submission/EOT">EOT specification</a> * @see <a href="https://github.com/googlei18n/sfntly">googles sfntly library</a> * @see <a href="https://github.com/kiwiwings/poi-font-mbender">Example on how to subset and embed fonts</a> */ FontInfo addFont(InputStream fontData) throws IOException; /** * @return a list of registered fonts */ List<? extends FontInfo> getFonts(); }