void CCharShape::RefreshNode (int idx) {
if (idx < 0 || idx >= numNodes) return;
//TMatrix TempMatrix;
char caxis;
double angle;
TCharNode *node = Nodes[idx];
TCharAction *act = Actions[idx];
if (act == NULL) return;
if (act->num < 1) return;
MakeIdentityMatrix (node->trans);
MakeIdentityMatrix (node->invtrans);
int type;
TVector3 vec;
double dval;
for (int i=0; i<act->num; i++) {
type = act->type[i];
vec = act->vec[i];
dval = act->dval[i];
switch (type) {
case 0:
MultiplyTranslationMatrices (node->trans, node->invtrans, vec.x, vec.y, vec.z);
break;
case 1:
caxis = 'x';
angle = dval;
MultiplyRotationMatrices (node->trans, node->invtrans, angle, caxis);
break;
case 2:
caxis = 'y';
angle = dval;
MultiplyRotationMatrices (node->trans, node->invtrans, angle, caxis);
break;
case 3:
caxis = 'z';
angle = dval;
MultiplyRotationMatrices (node->trans, node->invtrans, angle, caxis);
break;
case 4:
//MakeIdentityMatrix (TempMatrix);
//MultiplyMatrices (node->trans, node->trans, TempMatrix);
//MakeIdentityMatrix (TempMatrix);
//MultiplyMatrices (node->invtrans, TempMatrix, node->invtrans);
MultiplyScalingMatrices (node->trans, node->invtrans, vec.x, vec.y, vec.z);
//MakeIdentityMatrix (TempMatrix);
//MultiplyMatrices (node->trans, node->trans, TempMatrix);
//MakeIdentityMatrix (TempMatrix);
//MultiplyMatrices (node->invtrans, TempMatrix, node->invtrans);
break;
case 5:
VisibleNode (node->node_name, dval); break;
default: break;
}
}
}
bool CCharShape::ResetNode (size_t node_name) {
TCharNode *node = GetNode(node_name);
if (node == NULL) return false;
MakeIdentityMatrix (node->trans);
MakeIdentityMatrix (node->invtrans);
return true;
}
bool CCharShape::ResetNode (int node_name) {
TCharNode *node;
if (GetNode (node_name, &node) == false) return false;
MakeIdentityMatrix (node->trans);
MakeIdentityMatrix (node->invtrans);
return true;
}
bool CCharShape::CheckCollision (const TPolyhedron& ph) {
TMatrix mat, invmat;
MakeIdentityMatrix (mat);
MakeIdentityMatrix (invmat);
TCharNode *node = GetNode(0);
if (node == NULL) return false;
return CheckPolyhedronCollision (node, mat, invmat, ph);
}
bool CCharShape::CheckCollision (TPolyhedron ph) {
TCharNode *node;
TMatrix mat, invmat;
MakeIdentityMatrix (mat);
MakeIdentityMatrix (invmat);
if (GetNode (0, &node) == false) return false;
return CheckPolyhedronCollision (node, mat, invmat, ph);
}
bool CCharShape::CreateCharNode
(int parent_name, size_t node_name, const string& joint,
const string& name, const string& order, bool shadow) {
TCharNode *parent = GetNode (parent_name);
if (parent == NULL) {
Message ("wrong parent node");
return false;
}
TCharNode *node = new TCharNode;
node->node_name = node_name;
node->parent = parent;
node->parent_name = parent_name;
node->next = NULL;
node->next_name = 99;
node->child = NULL;
node->child_name = 99;
if (useActions) {
node->action = new TCharAction;
node->action->num = 0;
node->action->name = name;
node->action->order = order;
node->action->mat = "";
} else
node->action = NULL;
node->mat = NULL;
node->node_idx = numNodes;
node->visible = false;
node->render_shadow = shadow;
node->joint = joint;
MakeIdentityMatrix (node->trans);
MakeIdentityMatrix (node->invtrans);
if (!joint.empty()) NodeIndex[joint] = node_name;
Nodes[numNodes] = node;
Index[node_name] = numNodes;
/// -------------------------------------------------------------------
if (parent->child == NULL) {
parent->child = node;
parent->child_name = node_name;
} else {
for (parent = parent->child; parent->next != NULL; parent = parent->next) {}
parent->next = node;
parent->next_name = node_name;
}
/// -------------------------------------------------------------------
numNodes++;
return true;
}
bool CCharShape::CreateCharNode
(int parent_name, int node_name, const string joint,
string name, string order, bool shadow) {
TCharNode *parent = GetNode (parent_name);
if (parent == NULL) {
Message ("wrong parent node");
return false;
}
TCharNode *node = new TCharNode;
node->node_name = node_name;
node->parent = parent;
node->parent_name = parent_name;
node->next = NULL;
node->next_name = 99;
node->child = NULL;
node->child_name = 99;
node->mat = NULL;
node->node_idx = numNodes;
node->visible = false;
node->render_shadow = shadow;
node->joint = joint;
MakeIdentityMatrix (node->trans);
MakeIdentityMatrix (node->invtrans);
if (joint.size() > 0) SPAddIntN (NodeIndex, joint, node_name);
Nodes[numNodes] = node;
Index[node_name] = numNodes;
/// -------------------------------------------------------------------
if (parent->child == NULL) {
parent->child = node;
parent->child_name = node_name;
} else {
for (parent = parent->child; parent->next != NULL; parent = parent->next) {}
parent->next = node;
parent->next_name = node_name;
}
/// -------------------------------------------------------------------
if (useActions) {
Actions[numNodes] = new TCharAction;
Actions[numNodes]->num = 0;
Actions[numNodes]->name = name;
Actions[numNodes]->order = order;
Actions[numNodes]->mat = "";
}
numNodes++;
return true;
}
void RotateAboutVectorMatrix (TMatrix mat, TVector3 u, double angle) {
TMatrix rx, irx, ry, iry;
double a, b, c, d;
a = u.x;
b = u.y;
c = u.z;
d = sqrt (b*b + c*c);
if (d < EPS) {
if (a < 0)
MakeRotationMatrix (mat, -angle, 'x');
else
MakeRotationMatrix (mat, angle, 'x');
return;
}
MakeIdentityMatrix (rx);
MakeIdentityMatrix (irx);
MakeIdentityMatrix (ry);
MakeIdentityMatrix (iry);
rx[1][1] = c/d;
rx[2][1] = -b/d;
rx[1][2] = b/d;
rx[2][2] = c/d;
irx[1][1] = c/d;
irx[2][1] = b/d;
irx[1][2] = -b/d;
irx[2][2] = c/d;
ry[0][0] = d;
ry[2][0] = -a;
ry[0][2] = a;
ry[2][2] = d;
iry[0][0] = d;
iry[2][0] = a;
iry[0][2] = -a;
iry[2][2] = d;
MakeRotationMatrix (mat, angle, 'z');
MultiplyMatrices (mat, mat, ry);
MultiplyMatrices (mat, mat, rx);
MultiplyMatrices (mat, iry, mat);
MultiplyMatrices (mat, irx, mat);
}
void MakeRotationMatrix (TMatrix mat, double angle, char axis) {
double sinv, cosv;
sinv = sin (ANGLES_TO_RADIANS (angle));
cosv = cos (ANGLES_TO_RADIANS (angle));
MakeIdentityMatrix (mat);
switch (axis) {
case 'x':
mat[1][1] = cosv;
mat[2][1] = -sinv;
mat[1][2] = sinv;
mat[2][2] = cosv;
break;
case 'y':
mat[0][0] = cosv;
mat[2][0] = sinv;
mat[0][2] = -sinv;
mat[2][2] = cosv;
break;
case 'z':
mat[0][0] = cosv;
mat[1][0] = -sinv;
mat[0][1] = sinv;
mat[1][1] = cosv;
break;
}
}
void MakeBasisMat (TMatrix mat, const TVector3& w1, const TVector3& w2, const TVector3& w3) {
MakeIdentityMatrix (mat);
mat[0][0] = w1.x;
mat[0][1] = w1.y;
mat[0][2] = w1.z;
mat[1][0] = w2.x;
mat[1][1] = w2.y;
mat[1][2] = w2.z;
mat[2][0] = w3.x;
mat[2][1] = w3.y;
mat[2][2] = w3.z;
}
void CCharShape::CreateRootNode () {
TCharNode *node = new TCharNode;
node->node_name = 0;
node->parent = NULL;
node->parent_name = 99;
node->next = NULL;
node->next_name = 99;
node->child = NULL;
node->child_name = 99;
node->mat = NULL;
node->joint = "root";
node->render_shadow = false;
node->visible = false;
MakeIdentityMatrix (node->trans);
MakeIdentityMatrix (node->invtrans);
NodeIndex = "[root]0";
Index[0] = 0;
Nodes[0] = node;
numNodes = 1;
}
void CCharShape::ScaleNode (size_t node_name, const TVector3& vec) {
TCharNode *node = GetNode(node_name);
if (node == NULL) return;
TMatrix matrix;
MakeIdentityMatrix (matrix);
MultiplyMatrices (node->trans, node->trans, matrix);
MakeIdentityMatrix (matrix);
MultiplyMatrices (node->invtrans, matrix, node->invtrans);
MakeScalingMatrix (matrix, vec.x, vec.y, vec.z);
MultiplyMatrices (node->trans, node->trans, matrix);
MakeScalingMatrix (matrix, 1.0 / vec.x, 1.0 / vec.y, 1.0 / vec.z);
MultiplyMatrices (node->invtrans, matrix, node->invtrans);
MakeIdentityMatrix (matrix);
MultiplyMatrices (node->trans, node->trans, matrix);
MakeIdentityMatrix (matrix);
MultiplyMatrices (node->invtrans, matrix, node->invtrans);
if (newActions && useActions) AddAction (node_name, 4, vec, 0);
}
void MakeBasismatrix_Inv (TMatrix mat, TMatrix invMat,
const TVector3& w1, const TVector3& w2, const TVector3& w3) {
MakeIdentityMatrix (mat);
mat[0][0] = w1.x;
mat[0][1] = w1.y;
mat[0][2] = w1.z;
mat[1][0] = w2.x;
mat[1][1] = w2.y;
mat[1][2] = w2.z;
mat[2][0] = w3.x;
mat[2][1] = w3.y;
mat[2][2] = w3.z;
MakeIdentityMatrix (invMat);
invMat[0][0] = w1.x;
invMat[1][0] = w1.y;
invMat[2][0] = w1.z;
invMat[0][1] = w2.x;
invMat[1][1] = w2.y;
invMat[2][1] = w2.z;
invMat[0][2] = w3.x;
invMat[1][2] = w3.y;
invMat[2][2] = w3.z;
}
void CCharShape::DrawShadow () {
TMatrix model_matrix;
if (g_game.light_id == 1 || g_game.light_id == 3) return;
ScopedRenderMode rm(TUX_SHADOW);
glColor4f (shad_col.r, shad_col.g, shad_col.b, shad_col.a);
MakeIdentityMatrix (model_matrix);
TCharNode *node = GetNode(0);
if (node == NULL) {
Message ("couldn't find tux's root node", "");
return;
}
TraverseDagForShadow (node, model_matrix);
}
void CCharShape::DrawShadow () {
TMatrix model_matrix;
TCharNode *node;
if (g_game.light_id == 1 || g_game.light_id == 3) return;
set_gl_options (TUX_SHADOW);
glColor4f (shad_col.r, shad_col.g, shad_col.b, shad_col.a);
MakeIdentityMatrix (model_matrix);
if (GetNode (0, &node) == false) {
Message ("couldn't find tux's root node", "");
return;
}
TraverseDagForShadow (node, model_matrix);
}
void MakeScalingMatrix (TMatrix mat, double x, double y, double z) {
MakeIdentityMatrix (mat);
mat[0][0] = x;
mat[1][1] = y;
mat[2][2] = z;
}
void MakeTranslationMatrix (TMatrix mat, double x, double y, double z) {
MakeIdentityMatrix (mat);
mat[3][0] = x;
mat[3][1] = y;
mat[3][2] = z;
}
void CCharShape::RefreshNode (size_t idx) {
if (idx >= numNodes) return;
TMatrix TempMatrix;
char caxis;
double angle;
TCharNode *node = Nodes[idx];
TCharAction *act = node->action;
if (act == NULL) return;
if (act->num < 1) return;
MakeIdentityMatrix (node->trans);
MakeIdentityMatrix (node->invtrans);
for (size_t i=0; i<act->num; i++) {
int type = act->type[i];
const TVector3& vec = act->vec[i];
double dval = act->dval[i];
switch (type) {
case 0:
MakeTranslationMatrix (TempMatrix, vec.x, vec.y, vec.z);
MultiplyMatrices (node->trans, node->trans, TempMatrix);
MakeTranslationMatrix (TempMatrix, -vec.x, -vec.y, -vec.z);
MultiplyMatrices (node->invtrans, TempMatrix, node->invtrans);
break;
case 1:
caxis = 'x';
angle = dval;
MakeRotationMatrix (TempMatrix, angle, caxis);
MultiplyMatrices (node->trans, node->trans, TempMatrix);
MakeRotationMatrix (TempMatrix, -angle, caxis);
MultiplyMatrices (node->invtrans, TempMatrix, node->invtrans);
break;
case 2:
caxis = 'y';
angle = dval;
MakeRotationMatrix (TempMatrix, angle, caxis);
MultiplyMatrices (node->trans, node->trans, TempMatrix);
MakeRotationMatrix (TempMatrix, -angle, caxis);
MultiplyMatrices (node->invtrans, TempMatrix, node->invtrans);
break;
case 3:
caxis = 'z';
angle = dval;
MakeRotationMatrix (TempMatrix, angle, caxis);
MultiplyMatrices (node->trans, node->trans, TempMatrix);
MakeRotationMatrix (TempMatrix, -angle, caxis);
MultiplyMatrices (node->invtrans, TempMatrix, node->invtrans);
break;
case 4:
MakeIdentityMatrix (TempMatrix);
MultiplyMatrices (node->trans, node->trans, TempMatrix);
MakeIdentityMatrix (TempMatrix);
MultiplyMatrices (node->invtrans, TempMatrix, node->invtrans);
MakeScalingMatrix (TempMatrix, vec.x, vec.y, vec.z);
MultiplyMatrices (node->trans, node->trans, TempMatrix);
MakeScalingMatrix (TempMatrix, 1.0 / vec.x, 1.0 / vec.y, 1.0 / vec.z);
MultiplyMatrices (node->invtrans, TempMatrix, node->invtrans);
MakeIdentityMatrix (TempMatrix);
MultiplyMatrices (node->trans, node->trans, TempMatrix);
MakeIdentityMatrix (TempMatrix);
MultiplyMatrices (node->invtrans, TempMatrix, node->invtrans);
break;
case 5:
VisibleNode (node->node_name, dval);
break;
default:
break;
}
}
}
// ****************************************************************************
//
// Function Name: RTrueTypeFont::ExtractCharacterOutline( )
//
// Description: Retrieve a glyph outline and parse it into segment records
// in the global buffer
//
// Returns: Boolean indicating successful completion
//
// Exceptions: Memory
//
// ****************************************************************************
//
BOOLEAN RTrueTypeFont::ExtractCharacterOutline( int character, uLONG cookie )
{
YTTSegmentInfoRecord* pSegments = (YTTSegmentInfoRecord *)( cookie + sizeof(uLONG) );
const YFontInfo fontInfo = GetInfo();
GlyphOutline glyph;
Matrix matrix;
long glyphIndex = 0; // zero is the missing character
// retrieve font resource
if ( m_hSfnt == NULL )
{
short rId;
ResType rType;
Str255 rName;
m_hSfnt = GetSfntHandle( (const LPSZ)fontInfo.sbName, RFont::GetMacStyleBits( fontInfo.attributes ) );
GetResInfo( m_hSfnt, &rId, &rType, rName);
m_sSfntId = rId;
}
else if ( *m_hSfnt == NULL )
{
::LoadResource( m_hSfnt );
// m_hSfnt = ::GetResource( 'sfnt', m_sSfntId );
}
if ( m_hSfnt == NULL || *m_hSfnt == NULL )
return FALSE;
::HNoPurge( m_hSfnt );
// extract character outline
InitMatrix( matrix );
InitGlyphOutline( &glyph );
MakeIdentityMatrix( matrix );
try
{
glyphIndex = GetCharGlyphIndex( m_hSfnt, character );
GetGlyphOutline( m_hSfnt, glyphIndex, &glyph, matrix );
ScaleGlyphOutline( &glyph, ::Long2Fix( fontInfo.height ), ::Long2Fix( fontInfo.height ) );
}
catch ( YException except )
{
::HPurge( m_hSfnt );
KillGlyphOutline( &glyph );
switch ( except )
{
case kResource:
return FALSE;
break;
default:
throw;
break;
}
}
catch ( ... )
{
::HPurge( m_hSfnt );
KillGlyphOutline( &glyph );
throw;
}
// loop thru the contours
LockGlyphOutline( &glyph );
{
long nrSegments = 0;
long sp = 0;
Fixed* x = *glyph.x;
Fixed* y = *glyph.y;
short* ep = *glyph.endPoints;
Byte* onCurve = *glyph.onCurve;
RIntPoint ptStart;
for ( int i = 0; i < glyph.contourCount; i++ )
{
long pts = *ep - sp + 1; // nr pts in contour
// contour start point
if ( *onCurve != 0 ) // 1st point on curve
{
ptStart.m_x = RoundFixed( *x );
ptStart.m_y = -RoundFixed( *y );
x++;
y++;
onCurve++;
pts--;
}
else if ( *((*glyph.onCurve) + *ep) != 0 ) // use end point
{
ptStart.m_x = RoundFixed( *((*glyph.x) + *ep) );
ptStart.m_y = -RoundFixed( *((*glyph.y) + *ep) );
}
else // compute midpoint between 1st and last curve points
{
Fixed x2 = ::FixDiv( (*x + *((*glyph.x) + *ep)), ::Long2Fix( 2 ) );
Fixed y2 = ::FixDiv( (*y + *((*glyph.y) + *ep)), ::Long2Fix( 2 ) );
ptStart.m_x = RoundFixed( x2 );
ptStart.m_y = -RoundFixed( y2 );
}
// initial move to
pSegments->opCode = MOVE_TO;
pSegments->pt1 = ptStart;
nrSegments++;
pSegments++;
// load segments of contour
while ( pts-- > 0 )
{
Fixed x0 = *x;
Fixed y0 = *y;
Byte onCurve0 = *onCurve;
x++;
y++;
onCurve++;
pSegments->pt1.m_x = RoundFixed( x0 );
pSegments->pt1.m_y = -RoundFixed( y0 );
if ( onCurve0 != 0 )
pSegments->opCode = LINE_TO;
else if ( pts < 1 ) // quadratic w/ contour start point as end
{
pSegments->opCode = QUADRATIC_TO;
pSegments->pt2 = ptStart;
}
else if ( *onCurve != 0 ) // quadratic w/ end point next line to
{
pSegments->opCode = QUADRATIC_TO;
pSegments->pt2.m_x = RoundFixed( *x );
pSegments->pt2.m_y = -RoundFixed( *y );
x++;
y++;
onCurve++;
pts--;
}
else // compute end point of quadratic as midpoint to next curve
{
Fixed x2 = ::FixDiv( (x0 + *x), ::Long2Fix( 2 ) );
Fixed y2 = ::FixDiv( (y0 + *y), ::Long2Fix( 2 ) );
pSegments->opCode = QUADRATIC_TO;
pSegments->pt2.m_x = RoundFixed( x2 );
pSegments->pt2.m_y = -RoundFixed( y2 );
}
nrSegments++;
pSegments++;
}
pSegments->opCode = CLOSE_PATH; // end of contour
pSegments->pt1.m_x = pSegments->pt2.m_x = 0;
pSegments->pt1.m_y = pSegments->pt2.m_y = 0;
nrSegments++;
pSegments++;
sp = *ep++ + 1;
}
pSegments->opCode = 0; // end of glyph
pSegments->pt1.m_x = pSegments->pt2.m_x = 0;
pSegments->pt1.m_y = pSegments->pt2.m_y = 0;
*(uLONG *)cookie = nrSegments;
}
UnlockGlyphOutline( &glyph );
// cleanup
::HPurge( m_hSfnt );
KillGlyphOutline( &glyph );
return TRUE;
}
// ****************************************************************************
//
// Function Name: RTrueTypeFont::GetGlyphOutline( )
//
// Description:
//
// Returns: Nothing
//
// Exceptions: Memory, Font
//
// ****************************************************************************
//
void RTrueTypeFont::GetGlyphOutline( Handle sfnt, long glyphIndex, GlyphOutline* pOutline, Matrix xform )
{
short state = GetFontState( sfnt );
short upem, sideBearing, adjustToLsb;
short* glyph;
sfnt_FontHeader* head;
sfnt_HorizontalHeader* hhea;
sfnt_HorizontalMetrics* hori;
long length;
long longMetrics;
try
{
::HLock( sfnt );
head = (sfnt_FontHeader *)GetSfntTablePtr( sfnt, tag_FontHeader );
hhea = (sfnt_HorizontalHeader *)GetSfntTablePtr( sfnt, tag_HoriHeader );
hori = (sfnt_HorizontalMetrics *)GetSfntTablePtr( sfnt, tag_HorizontalMetrics );
if ( head == NULL || hhea == NULL || hori == NULL )
throw fontNotOutlineErr;
upem = head->unitsPerEm;
longMetrics = hhea->numberLongMetrics;
if ( glyphIndex < longMetrics )
{
pOutline->advance.x = ::FixRatio( hori[glyphIndex].advance, upem );
sideBearing = hori[glyphIndex].sideBearing;
}
else
{
short *lsb = (short *)&hori[longMetrics]; // first entry after[AW,LSB] array
pOutline->advance.x = ::FixRatio( hori[longMetrics-1].advance, upem );
sideBearing = hori[glyphIndex - longMetrics].sideBearing;
}
pOutline->advance.y = 0;
pOutline->origin.x = pOutline->origin.y = 0;
if ( (glyph = (short *)GetSfntGlyphPtr(sfnt, glyphIndex, &length)) == 0 )
throw fontNotOutlineErr;
if ( length == 0 )
{
pOutline->contourCount = pOutline->pointCount = 0;
SetFontState( sfnt, state );
return;
}
pOutline->contourCount = *glyph++;
adjustToLsb = *glyph - sideBearing; // xmin - lsb
glyph += 4; // skip bounds rect
if ( pOutline->contourCount == 0 )
pOutline->pointCount = 0;
else if ( pOutline->contourCount == -1 )
{
short flags, index, newMatrix;
pOutline->contourCount = pOutline->pointCount = 0;
mySetHandleSize( (Handle)pOutline->endPoints, 0 );
mySetHandleSize( (Handle)pOutline->onCurve, 0 );
mySetHandleSize( (Handle)pOutline->x, 0 );
mySetHandleSize( (Handle)pOutline->y, 0 );
do
{
Matrix compXform;
short arg1, arg2;
flags = *glyph++;
index = *glyph++;
newMatrix = false;
if ( flags & ARG_1_AND_2_ARE_WORDS )
{
arg1 = *glyph++;
arg2 = *glyph++;
}
else
{
char* byteP = (char*)glyph;
if ( flags & ARGS_ARE_XY_VALUES )
{ // offsets are signed
arg1 = *byteP++;
arg2 = *byteP;
}
else
{ // anchor points are unsigned
arg1 = (unsigned char)*byteP++;
arg2 = (unsigned char)*byteP;
}
++glyph;
}
#if IMPLEMENT_SCALED_COMPONENTS
if ( flags & (WE_HAVE_A_SCALE | WE_HAVE_AN_X_AND_Y_SCALE | WE_HAVE_A_TWO_BY_TWO) )
{
Matrix subXform;
MakeIdentityMatrix( subXform );
if ( flags & WE_HAVE_A_TWO_BY_TWO )
{ compXform[0][0] = (Fixed)*glyph++ << 2;
compXform[0][1] = (Fixed)*glyph++ << 2;
compXform[1][0] = (Fixed)*glyph++ << 2;
compXform[1][1] = (Fixed)*glyph++ << 2;
}
else if ( flags & WE_HAVE_AN_X_AND_Y_SCALE )
{ compXform[0][0] = (Fixed)*glyph++ << 2;
compXform[1][1] = (Fixed)*glyph++ << 2;
}
else
compXform[0][0] = compXform[1][1] = (Fixed)*glyph++ << 2;
PostMulMatrix (compXform, xform );
newMatrix = true;
}
#endif
{
GlyphOutline out;
InitGlyphOutline( &out );
GetGlyphOutline( sfnt, index, &out, newMatrix ? compXform : xform );
{
Fixed dx, dy;
if ( flags & ARGS_ARE_XY_VALUES )
{ dx = ::FixRatio(arg1, upem);
dy = -::FixRatio(arg2, upem);
}
else
{
dx = (*pOutline->x)[arg1] - (*out.x)[arg2];
dy = (*pOutline->y)[arg1] - (*out.y)[arg2];
}
MoveGlyphOutline( &out, dx, dy );
}
AppendGlyphOutline( pOutline, &out );
KillGlyphOutline( &out );
}
} while ( flags & MORE_COMPONENTS );
}
else if ( pOutline->contourCount > 0 )
{ // Load in the end points.
{
long size = pOutline->contourCount * sizeof(short);
mySetHandleSize( (Handle)pOutline->endPoints, size );
BlockMove( (Ptr)glyph, (Ptr)*pOutline->endPoints, size );
glyph += pOutline->contourCount;
}
pOutline->pointCount = (*pOutline->endPoints)[pOutline->contourCount - 1] + 1;
mySetHandleSize( (Handle)pOutline->onCurve, pOutline->pointCount * sizeof(char) );
mySetHandleSize( (Handle)pOutline->x, pOutline->pointCount * sizeof(Fixed) );
mySetHandleSize( (Handle)pOutline->y, pOutline->pointCount * sizeof(Fixed) );
// Skip the word for instruction count + the instructions.
// Then load in the onCurve bytes.
{
Byte* p = (Byte*)glyph + sizeof(short) + *glyph;
Byte* onCurve = *pOutline->onCurve;
Byte* stop = onCurve + pOutline->pointCount;
Byte flag;
while ( onCurve < stop )
{
*onCurve++ = flag = GetUnsignedByte( p );
if ( flag & REPEAT_FLAGS )
{
short count = GetUnsignedByte( p );
for ( --count; count >= 0; --count )
*onCurve++ = flag;
}
}
// Lets do X
{
short coord = adjustToLsb;
Fixed* x = *pOutline->x;
onCurve = *pOutline->onCurve;
while ( onCurve < stop )
{
if ( (flag = *onCurve++) & XSHORT )
{
if ( flag & SHORT_X_IS_POS )
coord += GetUnsignedByte( p );
else
coord -= GetUnsignedByte( p );
}
else if ( !(flag & NEXT_X_IS_ZERO) )
{
coord += (short)(*p++) << 8;
coord += (Byte)*p++;
}
*x = ::FixRatio( coord, upem );
x++;
}
}
// Lets do Y
{
short coord = 0;
Fixed* y = *pOutline->y;
onCurve = *pOutline->onCurve;
while ( onCurve < stop )
{
if ( (flag = *onCurve) & YSHORT )
{
if ( flag & SHORT_Y_IS_POS )
coord += GetUnsignedByte( p );
else
coord -= GetUnsignedByte( p );
}
else if ( !(flag & NEXT_Y_IS_ZERO) )
{
coord += (short)(*p++) << 8;
coord += (Byte)*p++;
}
*y = -::FixRatio( coord, upem );
y++;
// Filter off the extra bits
*onCurve++ = flag & ONCURVE;
}
}
}
}
else
throw fontNotOutlineErr;
}
catch ( OSErr osErr )
{
SetFontState( sfnt, state );
switch ( osErr )
{
case memFullErr : // out of memeory
SetFontState( sfnt, state );
throw kMemory;
break;
case fontNotOutlineErr : // bad font
SetFontState( sfnt, state );
throw kResource;
break;
default:
TpsAssertAlways( "Bad exception" );
throw;
break;
}
}
catch ( ... )
{
SetFontState( sfnt, state );
throw;
}
SetFontState( sfnt, state );
}
