public static void displayImageInfo(ImageInfo info) {
ImageSize size = info.getSize();
Dimension2D dPt = size.getDimensionPt();
Dimension dPx = size.getDimensionPx();
log.debug(
info.getOriginalURI()
+ " "
+ info.getMimeType()
+ " "
+ Math.round(dPx.getWidth())
+ "x"
+ Math.round(dPx.getHeight()));
log.debug(
"Resolution:"
+ Math.round(size.getDpiHorizontal())
+ "x"
+ Math.round(size.getDpiVertical()));
log.debug(
"Print size: "
+ Math.round(dPt.getWidth() / 72)
+ "\" x"
+ Math.round(dPt.getHeight() / 72)
+ "\"");
}
public static CxCy scale(ImageInfo imageInfo, double xEmu, double yEmu) {
ImageSize size = imageInfo.getSize();
double iwEmu = toEmu(size.getWidthPx(), size.getDpiHorizontal());
double ihEmu = toEmu(size.getHeightPx(), size.getDpiVertical());
return scaleToFit(iwEmu, ihEmu, xEmu, yEmu);
}
/**
* Create a <wp:inline> element suitable for this image, which can be _embedded_ in
* w:p/w:r/w:drawing.
*
* @param filenameHint Any text, for example the original filename
* @param altText Like HTML's alt text
* @param id1 An id unique in the document
* @param id2 Another id unique in the document
* @param cx Image width in twip
* @param link true if this is to be linked not embedded None of these things seem to be exposed
* in Word 2007's user interface, but Word won't open the document if any of the attributes
* these go in (except @ desc) aren't present!
* @throws Exception
*/
public Inline createImageInline(
String filenameHint, String altText, int id1, int id2, long cx, boolean link)
throws Exception {
ImageSize size = imageInfo.getSize();
Dimension2D dPt = size.getDimensionPt();
double imageWidthTwips = dPt.getWidth() * 20;
log.debug("imageWidthTwips: " + imageWidthTwips);
long cy;
log.debug("Scaling image height to retain aspect ratio");
cy = UnitsOfMeasurement.twipToEMU(dPt.getHeight() * 20 * cx / imageWidthTwips);
// Now convert cx to EMU
cx = UnitsOfMeasurement.twipToEMU(cx);
log.debug("cx=" + cx + "; cy=" + cy);
return createImageInline(filenameHint, altText, id1, id2, cx, cy, link);
}
public static CxCy scale(ImageInfo imageInfo, PageDimensions page) {
double writableWidthTwips = page.getWritableWidthTwips();
log.debug("writableWidthTwips: " + writableWidthTwips);
ImageSize size = imageInfo.getSize();
Dimension2D dPt = size.getDimensionPt();
double imageWidthTwips = dPt.getWidth() * 20;
log.debug("imageWidthTwips: " + imageWidthTwips);
long cx;
long cy;
boolean scaled = false;
if (imageWidthTwips > writableWidthTwips) {
log.debug("Scaling image to fit page width");
scaled = true;
cx = UnitsOfMeasurement.twipToEMU(writableWidthTwips);
cy =
UnitsOfMeasurement.twipToEMU(
dPt.getHeight() * 20 * writableWidthTwips / imageWidthTwips);
} else {
log.debug("Scaling image - not necessary");
cx = UnitsOfMeasurement.twipToEMU(imageWidthTwips);
cy = UnitsOfMeasurement.twipToEMU(dPt.getHeight() * 20);
}
log.debug("cx=" + cx + "; cy=" + cy);
return new CxCy(cx, cy, scaled);
}
