OXPicture FX::gradient(const QPoint c1, int r1, const QPoint c2, int r2,
const ColorArray &colors,
const PointArray &stops) {
XRadialGradient rg = {
{ c1.x() << 16, c1.y() << 16, r1 << 16 },
{ c2.x() << 16, c2.y() << 16, r2 << 16 } };
QVarLengthArray<XRenderColor> cs(colors.size());
for (int i = 0; i < colors.size(); ++i)
setColor(cs[i], colors.at(i));
XFixed *stps;
if (stops.size() < 2) {
stps = new XFixed[2];
stps[0] = 0; stps[1] = (1<<16);
}
else {
int d = ((int)(sqrt(pow(c2.x()-c1.x(),2)+pow(c2.y()-c1.y(),2)))) << 16;
stps = new XFixed[stops.size()];
for (int i = 0; i < stops.size(); ++i)
{
if (stops.at(i) < 0) continue;
if (stops.at(i) > 1) break;
stps[i] = stops.at(i)*d;
}
}
XFlush (dpy);
OXPicture lgp = XRenderCreateRadialGradient(dpy, &rg, stps, &cs[0],
qMin(qMax(stops.size(),2),
colors.size()));
delete[] stps;
return lgp;
}
OXPicture FX::gradient(const QPoint start, const QPoint stop,
const ColorArray &colors,
const PointArray &stops) {
XLinearGradient lg = {
{ start.x() << 16, start.y() << 16 },
{ stop.x() << 16, stop.y() << 16} };
QVarLengthArray<XRenderColor> cs(colors.size());
for (int i = 0; i < colors.size(); ++i)
setColor(cs[i], colors.at(i));
XFixed *stps;
if (stops.size() < 2) {
stps = new XFixed[2];
stps[0] = 0; stps[1] = (1<<16);
}
else {
int d = (1<<16);
stps = new XFixed[stops.size()];
for (int i = 0; i < stops.size(); ++i) {
if (stops.at(i) < 0) continue;
if (stops.at(i) > 1) break;
stps[i] = stops.at(i)*d;
}
}
XFlush (dpy);
OXPicture lgp = XRenderCreateLinearGradient(dpy, &lg, stps, &cs[0],
qMin(qMax(stops.size(),2),
colors.size()));
delete[] stps;
return lgp;
}
//----------------------------------------------------------------------------------------
// ConvertCMYKToRGBHex
//----------------------------------------------------------------------------------------
void
CZExpXMLExport_Colors::ConvertCMYKToRGBHex(
const ColorArray & inColorComponents,
char * oColorStr)
{
ASSERT( inColorComponents.size() == 4 );
if( inColorComponents.size() == 4 )
{
const PMReal & colorC = inColorComponents[0];
const PMReal & colorM = inColorComponents[1];
const PMReal & colorY = inColorComponents[2];
const PMReal & colorK = inColorComponents[3];
float colorR = ToFloat((1 - (colorC * (1 - colorK) + colorK)) * 255);
float colorG = ToFloat((1 - (colorM * (1 - colorK) + colorK)) * 255);
float colorB = ToFloat((1 - (colorY * (1 - colorK) + colorK)) * 255);
unsigned char rInt = colorR;
unsigned char gInt = colorG;
unsigned char bInt = colorB;
sprintf( oColorStr, "#%02x%02x%02x", rInt, gInt, bInt );
}
}
//----------------------------------------------------------------------------------------
// ConvertToRGBHex
//----------------------------------------------------------------------------------------
void
CZExpXMLExport_Colors::ConvertToCMYKHex(
const ColorArray & inColorComponents,
char * oColorStr)
{
ASSERT( inColorComponents.size() == 4 );
if( inColorComponents.size() == 4 )
{
const PMReal & cValue = inColorComponents[0];
const PMReal & mValue = inColorComponents[1];
const PMReal & yValue = inColorComponents[2];
const PMReal & kValue = inColorComponents[3];
unsigned char cInt = ToInt16(cValue * 100);
unsigned char mInt = ToInt16(mValue * 100);
unsigned char yInt = ToInt16(yValue * 100);
unsigned char kInt = ToInt16(kValue * 100);
sprintf( oColorStr, "#%02x%02x%02x%02x", cInt, mInt, yInt, kInt );
}
}
//----------------------------------------------------------------------------------------
// ConvertToRGBHex
//----------------------------------------------------------------------------------------
void
CZExpXMLExport_Colors::ConvertToRGBHex(
const ColorArray & inColorComponents,
char * oColorStr)
{
ASSERT( inColorComponents.size() == 3 );
const PMReal & rValue = inColorComponents[0];
const PMReal & gValue = inColorComponents[1];
const PMReal & bValue = inColorComponents[2];
unsigned char rInt = ToInt16(rValue * 255);
unsigned char gInt = ToInt16(gValue * 255);
unsigned char bInt = ToInt16(bValue * 255);
sprintf( oColorStr, "#%02x%02x%02x", rInt, gInt, bInt );
}
//----------------------------------------------------------------------------------------
// AddColorInfo
//----------------------------------------------------------------------------------------
void
CZExpXMLExport_Colors::AddColorInfo(
IXMLOutStream * ioStream,
const IColorData * inColorInfo,
IUIColorUtils * inColorUtils)
{
LogFunctionEnterExit;
WideString elementStr( STRXMLTag_ColorInfo );
IXMLOutStream::Attribute attr;
IXMLOutStream::AttributeList attrList;
InterfacePtr<const IRenderingObject> renderingObject( inColorInfo, UseDefaultIID() );
ASSERT( renderingObject );
attr.fName.SetX16String( TOWSTRING(STRXMLAttr_ID) );
CZExpXMLAttrUtils::SetValue_UID( attr, ::GetUID(inColorInfo) );
attrList.push_back( attr );
const PMString & swatchName = renderingObject->GetSwatchName();
attr.fName.SetX16String( TOWSTRING(STRXMLAttr_Name) );
attr.fValue = WideString( swatchName );
attrList.push_back( attr );
int32 colorSpace = inColorInfo->GetColorSpace();
ColorArray rgbValues = inColorInfo->GetColorData();//inColorUtils->GetRGBColorValue( ::GetDataBase( inColorInfo), ::GetUID( inColorInfo ) );
int32 colorCmpCount = rgbValues.size();
char colorStr[12] = {0};
if( colorSpace == kPMCsCalRGB || colorSpace == kPMCsLab )
ConvertToRGBHex( rgbValues, colorStr );
else if( colorSpace == kPMCsCalCMYK )
{
colorSpace = kPMCsCalRGB;
ConvertCMYKToRGBHex( rgbValues, colorStr );//ConvertToCMYKHex( rgbValues, colorStr );
}
attr.fName.SetX16String( TOWSTRING("colorSpace") );
if( colorSpace == kPMCsCalRGB )
attr.fValue.SetX16String( TOWSTRING("RGB") );
else if( colorSpace == kPMCsCalCMYK )
attr.fValue.SetX16String( TOWSTRING("CMYK") );
else if( colorSpace == kPMCsLab )
attr.fValue.SetX16String( TOWSTRING("LAB") );
else if( colorSpace == kPMCsDeviceN )
attr.fValue.SetX16String( TOWSTRING("DeviceN") );
else
attr.fValue.SetX16String( TOWSTRING("Unknown") );
//CZExpXMLAttrUtils::SetValue_Int( attr, colorSpace );
attrList.push_back( attr );
IZPLog_Str( thisFileLA, enLT_DebugInfo, "Color Swatch Name: %s, color space :%d, colorValue :%s", swatchName.GrabCString(), colorSpace, colorStr );
if( colorStr[0] )
{
attr.fName.SetX16String( TOWSTRING(STRXMLAttr_Value) );
attr.fValue = WideString( colorStr );
attrList.push_back( attr );
}
ioStream->IndentLevel(kTrue);
ioStream->PushWithAttributes( elementStr, attrList, kTrue );
StXMLPopper autoPopParaStyle( ioStream );
}