//---------------------------------------------------------
void NDG3D::Normals3D()
//---------------------------------------------------------
{
// function [nx, ny, nz, sJ] = Normals3D()
// Purpose : Compute outward pointing normals at
// elements faces as well as surface Jacobians
GeometricFactors3D();
// interpolate geometric factors to face nodes
DMat frx=rx(Fmask,All), fsx=sx(Fmask,All), ftx=tx(Fmask,All);
DMat fry=ry(Fmask,All), fsy=sy(Fmask,All), fty=ty(Fmask,All);
DMat frz=rz(Fmask,All), fsz=sz(Fmask,All), ftz=tz(Fmask,All);
// build normals
nx.resize(4*Nfp, K); ny.resize(4*Nfp, K); nz.resize(4*Nfp, K);
Index1D fid1(1,Nfp), fid2(Nfp+1,2*Nfp), fid3(2*Nfp+1,3*Nfp), fid4(3*Nfp+1,4*Nfp);
// face 1
nx(fid1, All) = -ftx(fid1,All);
ny(fid1, All) = -fty(fid1,All);
nz(fid1, All) = -ftz(fid1,All);
// face 2
nx(fid2, All) = -fsx(fid2,All);
ny(fid2, All) = -fsy(fid2,All);
nz(fid2, All) = -fsz(fid2,All);
// face 3
nx(fid3, All) = frx(fid3,All) + fsx(fid3,All) + ftx(fid3,All);
ny(fid3, All) = fry(fid3,All) + fsy(fid3,All) + fty(fid3,All);
nz(fid3, All) = frz(fid3,All) + fsz(fid3,All) + ftz(fid3,All);
// face 4
nx(fid4, All) = -frx(fid4,All);
ny(fid4, All) = -fry(fid4,All);
nz(fid4, All) = -frz(fid4,All);
// normalise
sJ = sqrt(sqr(nx) + sqr(ny) + sqr(nz));
nx.div_element(sJ); ny.div_element(sJ); nz.div_element(sJ);
sJ.mult_element(J(Fmask, All)); //sJ=sJ.*J(Fmask(:),:);
}
GlyphLayout::GlyphLayout(JNIEnv *env, jcharArray unicodes, jint offset, jint count,
jint flags, jdoubleArray fontTX, jdoubleArray devTX, jboolean isAntiAliased,
jboolean usesFractionalMetrics, fontObject *fo)
: fNumGlyphs(0), fScriptCount(0), fScriptMax(eDefaultStorage), fRightToLeft(false), fDevTX(env, devTX)
{
if (JNU_IsNull(env, unicodes) ) {
JNU_ThrowIllegalArgumentException(env,"Unicode array is NULL!");
return;
}
jint max = env->GetArrayLength(unicodes);
if (offset + count > max) {
JNU_ThrowArrayIndexOutOfBoundsException(env,
"chars [offset + count]");
return;
}
// !!! check to see how layout should adapt to devTX. Should it ignore devTX
// and then adjust the information by devTX afterwards? Then it would perhaps
// get incorrectly hinted advance information by the strike. But if it uses
// devTX then the advance and position information needs to be normalized
// before returning it to native.
TX gtx(fDevTX);
TX ftx(env, fontTX);
gtx.concat(ftx);
FontTransform tx(gtx.m00, gtx.m10, gtx.m01, gtx.m11);
jfloat x = (jfloat)gtx.m02;
jfloat y = (jfloat)gtx.m12;
const jchar *theChars = (const jchar *) env->GetPrimitiveArrayCritical(unicodes, NULL);
if (theChars != NULL) {
const jchar *oldChars = theChars; // theChars can get changed, save original
if (flags != 0) {
if ((flags & 0x0001) != 0) {
fRightToLeft = true;
}
if ((flags & 0x0002) != 0) {
theChars += offset;
max -= offset;
offset = 0;
}
if ((flags & 0x0004) != 0) {
max = offset + count;
}
}
if (fo->GetFormat() == kCompositeFontFormat) {
Strike *strike = &fo->getStrike(tx, isAntiAliased, usesFractionalMetrics);
UInt32 *glyphs = new UInt32[count];
ScriptRun scriptRun(theChars, offset, count);
le_uint32 slot;
charsToGlyphs(&theChars[offset], count, strike, glyphs);
fScriptInfo = fScriptInfoBase;
slot = glyphs[0] >> 24;
while (scriptRun.next()) {
le_int32 scriptStart = scriptRun.getScriptStart();
le_int32 scriptEnd = scriptRun.getScriptEnd();
le_int32 scriptCode = scriptRun.getScriptCode();
le_int32 ch = scriptStart;
while (ch < scriptEnd) {
while (ch < scriptEnd && slot == glyphs[ch - offset] >> 24) {
ch += 1;
}
if (fScriptCount >= fScriptMax) {
growScriptInfo();
}
fScriptInfo[fScriptCount].scriptStart = scriptStart;
fScriptInfo[fScriptCount].scriptCode = scriptCode;
fScriptInfo[fScriptCount].scriptSlot = slot;
fScriptCount += 1;
if (ch < scriptEnd) {
slot = glyphs[ch - offset] >> 24;
scriptStart = ch;
}
}
}
delete[] glyphs;
fScriptInfo[fScriptCount].scriptStart = scriptRun.getScriptEnd();
} else {