static ImageInfo *getImageInfoObject(DFNode *concrete)
{
DFNode *shape = DFChildWithTag(concrete,VML_SHAPE);
DFNode *imageData = DFChildWithTag(shape,VML_IMAGEDATA);
const char *cssText = DFGetAttribute(shape,NULL_STYLE);
const char *rId = DFGetAttribute(imageData,OREL_ID);
if ((shape == NULL) || (imageData == NULL) || (cssText == NULL) || (rId == NULL))
return NULL;
CSSProperties *imgProperties = CSSPropertiesNewWithString(cssText);
CSSLength width = CSSLengthFromString(CSSGet(imgProperties,"width"));
CSSLength height = CSSLengthFromString(CSSGet(imgProperties,"height"));
CSSPropertiesRelease(imgProperties);
if (!CSSLengthIsValid(width) || !CSSLengthIsAbsolute(width))
return NULL;
if (!CSSLengthIsValid(height) || !CSSLengthIsAbsolute(height))
return NULL;
double widthPts = convertBetweenUnits(width.value,width.units,UnitsPt);
double heightPts = convertBetweenUnits(height.value,height.units,UnitsPt);
ImageInfo *info = ImageInfoNew(rId,widthPts,heightPts);
DFNode *oleObject = DFChildWithTag(concrete,MSOFFICE_OLEOBJECT);
info->progId = DFGetAttribute(oleObject,NULL_PROGID);
return info;
}
static PointsSize pointsSizeFromHTMLImg(WordConverter *converter, DFNode *img, PixelSize fileSize)
{
double aspectRatio;
if (fileSize.heightPx > 0.0)
aspectRatio = fileSize.widthPx/(double)fileSize.heightPx;
else
aspectRatio = 1.0;
CSSSize htmlSize = HTML_getImageDimensions(img);
double widthPts = WordSectionContentWidthPts(converter->mainSection);
if (CSSLengthIsValid(htmlSize.width)) {
if (CSSLengthIsPercentage(htmlSize.width))
widthPts = (htmlSize.width.value/100.0)*WordSectionContentWidthPts(converter->mainSection);
else if (CSSLengthIsAbsolute(htmlSize.width))
widthPts = convertBetweenUnits(htmlSize.width.value,htmlSize.width.units,UnitsPt);
}
double heightPts = widthPts/aspectRatio;
if ((widthPts <= 0) || (heightPts <= 0)) {
widthPts = WordSectionContentWidthPts(converter->mainSection);
heightPts = widthPts/aspectRatio;
}
PointsSize result;
result.widthPts = widthPts;
result.heightPts = heightPts;
return result;
}
double CSSLengthToAbsolute(CSSLength length, double total, double valueUnits)
{
switch (length.units) {
case UnitsIn:
case UnitsCm:
case UnitsMm:
case UnitsPt:
case UnitsPc:
case UnitsPx:
return convertBetweenUnits(length.value,length.units,valueUnits);
case UnitsPct:
return (length.value/100.0)*total;
default:
return 0;
}
}
