Examples with EscherDggRecord org.apache.poi.ddf.EscherDggRecord used on opensource projects

Example 16 with EscherDggRecord

use of org.apache.poi.ddf.EscherDggRecord in project poi by apache.

the class TestShapes method shapeId.

@Test
public void shapeId() throws IOException {
    HSLFSlideShow ss = new HSLFSlideShow();
    HSLFSlide slide = ss.createSlide();
    HSLFShape shape = null;
    //EscherDgg is a document-level record which keeps track of the drawing groups
    EscherDggRecord dgg = ss.getDocumentRecord().getPPDrawingGroup().getEscherDggRecord();
    EscherDgRecord dg = slide.getSheetContainer().getPPDrawing().getEscherDgRecord();
    //total number of shapes in the ppt
    int dggShapesUsed = dgg.getNumShapesSaved();
    //max number of shapeId
    int dggMaxId = dgg.getShapeIdMax();
    //max shapeId in the slide
    int dgMaxId = dg.getLastMSOSPID();
    // number of shapes in the slide
    int dgShapesUsed = dg.getNumShapes();
    //insert 3 shapes and make sure the Ids are properly incremented
    for (int i = 0; i < 3; i++) {
        shape = new HSLFLine();
        assertEquals(0, shape.getShapeId());
        slide.addShape(shape);
        assertTrue(shape.getShapeId() > 0);
        //check that EscherDgRecord is updated
        assertEquals(shape.getShapeId(), dg.getLastMSOSPID());
        assertEquals(dgMaxId + 1, dg.getLastMSOSPID());
        assertEquals(dgShapesUsed + 1, dg.getNumShapes());
        //check that EscherDggRecord is updated
        assertEquals(shape.getShapeId() + 1, dgg.getShapeIdMax());
        assertEquals(dggMaxId + 1, dgg.getShapeIdMax());
        assertEquals(dggShapesUsed + 1, dgg.getNumShapesSaved());
        dggShapesUsed = dgg.getNumShapesSaved();
        dggMaxId = dgg.getShapeIdMax();
        dgMaxId = dg.getLastMSOSPID();
        dgShapesUsed = dg.getNumShapes();
    }
    //For each drawing group PPT allocates clusters with size=1024
    //if the number of shapes is greater that 1024 a new cluster is allocated
    //make sure it is so
    int numClusters = dgg.getNumIdClusters();
    for (int i = 0; i < 1025; i++) {
        shape = new HSLFLine();
        slide.addShape(shape);
    }
    assertEquals(numClusters + 1, dgg.getNumIdClusters());
    ss.close();
}