本文整理汇总了Java中com.lowagie.text.pdf.PdfName.DEVICERGB属性的典型用法代码示例。如果您正苦于以下问题：Java PdfName.DEVICERGB属性的具体用法？Java PdfName.DEVICERGB怎么用？Java PdfName.DEVICERGB使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类com.lowagie.text.pdf.PdfName的用法示例。
在下文中一共展示了PdfName.DEVICERGB属性的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: simplifyColorspace
/**
* Gets a PDF Name from an array or returns the object that was passed.
*/
private PdfObject simplifyColorspace(PdfArray obj) {
if (obj == null)
return obj;
PdfName first = obj.getAsName(0);
if (PdfName.CALGRAY.equals(first))
return PdfName.DEVICEGRAY;
else if (PdfName.CALRGB.equals(first))
return PdfName.DEVICERGB;
else
return obj;
}
示例2: getColorspace
PdfObject getColorspace() {
if (icc_profile != null) {
if ((colorType & 2) == 0)
return PdfName.DEVICEGRAY;
else
return PdfName.DEVICERGB;
}
if (gamma == 1f && !hasCHRM) {
if ((colorType & 2) == 0)
return PdfName.DEVICEGRAY;
else
return PdfName.DEVICERGB;
}
else {
PdfArray array = new PdfArray();
PdfDictionary dic = new PdfDictionary();
if ((colorType & 2) == 0) {
if (gamma == 1f)
return PdfName.DEVICEGRAY;
array.add(PdfName.CALGRAY);
dic.put(PdfName.GAMMA, new PdfNumber(gamma));
dic.put(PdfName.WHITEPOINT, new PdfLiteral("[1 1 1]"));
array.add(dic);
}
else {
PdfObject wp = new PdfLiteral("[1 1 1]");
array.add(PdfName.CALRGB);
if (gamma != 1f) {
PdfArray gm = new PdfArray();
PdfNumber n = new PdfNumber(gamma);
gm.add(n);
gm.add(n);
gm.add(n);
dic.put(PdfName.GAMMA, gm);
}
if (hasCHRM) {
float z = yW*((xG-xB)*yR-(xR-xB)*yG+(xR-xG)*yB);
float YA = yR*((xG-xB)*yW-(xW-xB)*yG+(xW-xG)*yB)/z;
float XA = YA*xR/yR;
float ZA = YA*((1-xR)/yR-1);
float YB = -yG*((xR-xB)*yW-(xW-xB)*yR+(xW-xR)*yB)/z;
float XB = YB*xG/yG;
float ZB = YB*((1-xG)/yG-1);
float YC = yB*((xR-xG)*yW-(xW-xG)*yW+(xW-xR)*yG)/z;
float XC = YC*xB/yB;
float ZC = YC*((1-xB)/yB-1);
float XW = XA+XB+XC;
float YW = 1;//YA+YB+YC;
float ZW = ZA+ZB+ZC;
PdfArray wpa = new PdfArray();
wpa.add(new PdfNumber(XW));
wpa.add(new PdfNumber(YW));
wpa.add(new PdfNumber(ZW));
wp = wpa;
PdfArray matrix = new PdfArray();
matrix.add(new PdfNumber(XA));
matrix.add(new PdfNumber(YA));
matrix.add(new PdfNumber(ZA));
matrix.add(new PdfNumber(XB));
matrix.add(new PdfNumber(YB));
matrix.add(new PdfNumber(ZB));
matrix.add(new PdfNumber(XC));
matrix.add(new PdfNumber(YC));
matrix.add(new PdfNumber(ZC));
dic.put(PdfName.MATRIX, matrix);
}
dic.put(PdfName.WHITEPOINT, wp);
array.add(dic);
}
return array;
}
}
示例3: getColorspace
PdfObject getColorspace() {
if (gamma == 1f && !hasCHRM) {
if ((colorType & 2) == 0)
return PdfName.DEVICEGRAY;
else
return PdfName.DEVICERGB;
}
else {
PdfArray array = new PdfArray();
PdfDictionary dic = new PdfDictionary();
if ((colorType & 2) == 0) {
if (gamma == 1f)
return PdfName.DEVICEGRAY;
array.add(PdfName.CALGRAY);
dic.put(PdfName.GAMMA, new PdfNumber(gamma));
dic.put(PdfName.WHITEPOINT, new PdfLiteral("[1 1 1]"));
array.add(dic);
}
else {
PdfObject wp = new PdfLiteral("[1 1 1]");
array.add(PdfName.CALRGB);
if (gamma != 1f) {
PdfArray gm = new PdfArray();
PdfNumber n = new PdfNumber(gamma);
gm.add(n);
gm.add(n);
gm.add(n);
dic.put(PdfName.GAMMA, gm);
}
if (hasCHRM) {
float z = yW*((xG-xB)*yR-(xR-xB)*yG+(xR-xG)*yB);
float YA = yR*((xG-xB)*yW-(xW-xB)*yG+(xW-xG)*yB)/z;
float XA = YA*xR/yR;
float ZA = YA*((1-xR)/yR-1);
float YB = -yG*((xR-xB)*yW-(xW-xB)*yR+(xW-xR)*yB)/z;
float XB = YB*xG/yG;
float ZB = YB*((1-xG)/yG-1);
float YC = yB*((xR-xG)*yW-(xW-xG)*yW+(xW-xR)*yG)/z;
float XC = YC*xB/yB;
float ZC = YC*((1-xB)/yB-1);
float XW = XA+XB+XC;
float YW = 1;//YA+YB+YC;
float ZW = ZA+ZB+ZC;
PdfArray wpa = new PdfArray();
wpa.add(new PdfNumber(XW));
wpa.add(new PdfNumber(YW));
wpa.add(new PdfNumber(ZW));
wp = wpa;
PdfArray matrix = new PdfArray();
matrix.add(new PdfNumber(XA));
matrix.add(new PdfNumber(YA));
matrix.add(new PdfNumber(ZA));
matrix.add(new PdfNumber(XB));
matrix.add(new PdfNumber(YB));
matrix.add(new PdfNumber(ZB));
matrix.add(new PdfNumber(XC));
matrix.add(new PdfNumber(YC));
matrix.add(new PdfNumber(ZC));
dic.put(PdfName.MATRIX, matrix);
}
dic.put(PdfName.WHITEPOINT, wp);
array.add(dic);
}
return array;
}
}