protected BackgroundImageInfo createBackgroundImage(String url) {
ResourceLocatorWrapper rl = null;
ExecutionContext exeContext =
((ReportContent) content.getReportContent()).getExecutionContext();
if (exeContext != null) {
rl = exeContext.getResourceLocator();
}
IStyle cs = pageContent.getComputedStyle();
BackgroundImageInfo backgroundImage =
new BackgroundImageInfo(
url, cs.getProperty(IStyle.STYLE_BACKGROUND_REPEAT), 0, 0, 0, 0, rl);
Image img = backgroundImage.getImageInstance();
IStyle style = pageContent.getStyle();
String widthStr = style.getBackgroundWidth();
String heightStr = style.getBackgroundHeight();
if (img != null) {
int resolutionX = img.getDpiX();
int resolutionY = img.getDpiY();
if (0 == resolutionX || 0 == resolutionY) {
resolutionX = 96;
resolutionY = 96;
}
float imageWidth = img.getPlainWidth() / resolutionX * 72 * PDFConstants.LAYOUT_TO_PDF_RATIO;
float imageHeight =
img.getPlainHeight() / resolutionY * 72 * PDFConstants.LAYOUT_TO_PDF_RATIO;
int actualWidth = (int) imageWidth;
int actualHeight = (int) imageHeight;
if (widthStr != null && widthStr.length() > 0
|| heightStr != null && heightStr.length() > 0) {
if ("contain".equals(widthStr) || "contain".equals(heightStr)) {
float rh = imageHeight / height;
float rw = imageWidth / width;
if (rh > rw) {
actualHeight = height;
actualWidth = (int) (imageWidth * height / imageHeight);
} else {
actualWidth = width;
actualHeight = (int) (imageHeight * width / imageWidth);
}
} else if ("cover".equals(widthStr) || "cover".equals(heightStr)) {
float rh = imageHeight / height;
float rw = imageWidth / width;
if (rh > rw) {
actualWidth = width;
actualHeight = (int) (imageHeight * width / imageWidth);
} else {
actualHeight = height;
actualWidth = (int) (imageWidth * height / imageHeight);
}
} else {
DimensionType widthDim = DimensionType.parserUnit(widthStr);
DimensionType heightDim = DimensionType.parserUnit(heightStr);
if (widthDim != null) {
actualWidth = PropertyUtil.getDimensionValue(content, widthDim);
if (heightDim == null) {
actualHeight = (int) (imageHeight * actualWidth / imageWidth);
} else {
actualHeight = PropertyUtil.getDimensionValue(content, heightDim);
}
} else if (heightDim != null) {
actualHeight = PropertyUtil.getDimensionValue(content, heightDim);
if (widthDim == null) {
actualWidth = (int) (imageWidth * actualHeight / imageHeight);
} else {
actualWidth = PropertyUtil.getDimensionValue(content, widthDim);
}
} else {
actualHeight = (int) imageHeight;
actualWidth = (int) imageWidth;
}
}
}
backgroundImage.setXOffset(
getDimensionValue(
cs.getProperty(IStyle.STYLE_BACKGROUND_POSITION_X), width - actualWidth));
backgroundImage.setYOffset(
getDimensionValue(
cs.getProperty(IStyle.STYLE_BACKGROUND_POSITION_Y), height - actualHeight));
backgroundImage.setHeight(actualHeight);
backgroundImage.setWidth(actualWidth);
return backgroundImage;
}
return null;
}
private void scaleToOutputResolution(Image image) {
float factor = _sharedContext.getDotsPerPixel();
image.scaleAbsolute(image.getPlainWidth() * factor, image.getPlainHeight() * factor);
}