// JLH = James L. Hammons <jlhamm@acm.org>
//
// Who When What
-// --- ---------- ------------------------------------------------------------
+// --- ---------- -----------------------------------------------------------
// JLH ??/??/200? Created this file
// JLH 05/18/2004 Added pure point adding, inserting, better polygon handling
//
#ifdef DEBUG
#include "debug.h"
#endif
+#include <math.h>
+
/*GlyphPoints::GlyphPoints(void)
{
}*/
GlyphPoints::GlyphPoints(int nPts/*=0*/, int nPlys/*=0*/, int * xa/*=null*/, int * ya/*=null*/,
- bool * oca/*=null*/, uint16 * pa/*=null*/): x(NULL), y(NULL), onCurve(NULL), polyEnd(NULL)
+ bool * oca/*=null*/, uint16_t * pa/*=null*/): x(NULL), y(NULL), onCurve(NULL), polyEnd(NULL)
//GlyphPoints::GlyphPoints(int nPts, int nPlys/*=0*/, int * xa/*=null*/, int * ya/*=null*/,
-// bool * oca/*=null*/, uint16 * pa/*=null*/): x(NULL), y(NULL), onCurve(NULL), polyEnd(NULL)
+// bool * oca/*=null*/, uint16_t * pa/*=null*/): x(NULL), y(NULL), onCurve(NULL), polyEnd(NULL)
{
AllocateAndCopy(nPts, nPlys, xa, ya, oca, pa);
if (nPlys == 0)
{
numPolys = 1;
- polyEnd = new uint16[numPolys];
+ polyEnd = new uint16_t[numPolys];
polyEnd[0] = numPoints - 1;
}
#ifdef DEBUG
#endif
}
+
GlyphPoints::GlyphPoints(int xx, int yy, bool oc)
{
//Hmm. What to do with this...?
#endif
}
+
// Copy constructor (needed for deep copying)
//GlyphPoints::GlyphPoints(GlyphPoints &c): x(NULL), y(NULL), onCurve(NULL), polyEnd(NULL)
#endif
}
+
GlyphPoints::~GlyphPoints()
{
+ FreeAllocatedMemory();
+#if 0
if (x)
delete[] x;
if (polyEnd)
delete[] polyEnd;
+#endif
}
-void GlyphPoints::AllocateAndCopy(int nPts, int nPlys, int * xa, int * ya, bool * oca, uint16 * pa)
+
+void GlyphPoints::AllocateAndCopy(int nPts, int nPlys, int * xa, int * ya, bool * oca, uint16_t * pa)
{
numPoints = nPts, numPolys = nPlys;
if (numPolys)
{
- polyEnd = new uint16[numPolys];
+ polyEnd = new uint16_t[numPolys];
if (pa) // Copy poly ends in if they're passed in...
for(int i=0; i<nPlys; i++)
}
}
-GlyphPoints& GlyphPoints::operator=(const GlyphPoints &c)
-{
- if (this == &c)
- return *this; // Take care of self-assignment
+void GlyphPoints::FreeAllocatedMemory(void)
+{
if (x)
delete[] x;
if (polyEnd)
delete[] polyEnd;
+}
+
+
+GlyphPoints& GlyphPoints::operator=(const GlyphPoints &c)
+{
+ if (this == &c)
+ return *this; // Take care of self-assignment
+ FreeAllocatedMemory();
AllocateAndCopy(c.numPoints, c.numPolys, c.x, c.y, c.onCurve, c.polyEnd);
return *this;
}
+
// Add another GlyphPoints' points to this one...
GlyphPoints GlyphPoints::operator+(const GlyphPoints &c)
int * totX = new int[totPoints];
int * totY = new int[totPoints];
bool * totOnCurve = new bool[totPoints];
- uint16 * totPolyEnd = new uint16[totPolys];
+ uint16_t * totPolyEnd = new uint16_t[totPolys];
for(int i=0; i<numPoints; i++)
{
return retVal;
}
+
// Add a point to this GlyphPoints...
GlyphPoints GlyphPoints::operator+(const IPoint &c)
int * totX = new int[numPoints + 1];
int * totY = new int[numPoints + 1];
bool * totOnCurve = new bool[numPoints + 1];
- uint16 * totPolyEnd = new uint16[numPolys];
+ uint16_t * totPolyEnd = new uint16_t[numPolys];
for(int i=0; i<numPoints; i++)
totX[i] = x[i], totY[i] = y[i], totOnCurve[i] = onCurve[i];
return retVal;
}
+
GlyphPoints& GlyphPoints::operator+=(const IPoint &p)
{
InsertPoint(numPoints, p.x, p.y, p.onCurve);
return *this;
}
-void GlyphPoints::InsertPoint(uint16 pt, int xx, int yy, bool oc)
+
+void GlyphPoints::Clear(void)
{
+ FreeAllocatedMemory();
+ x = y = NULL;
+ onCurve = NULL;
+ polyEnd = NULL;
+ numPoints = numPolys = pointsAllocated = polysAllocated = 0;
+
+ numPolys = 1;
+ polyEnd = new uint16_t[numPolys];
+ polyEnd[0] = numPoints - 1;
+}
+
+
+void GlyphPoints::InsertPoint(uint16_t pt, int xx, int yy, bool oc)
+{
+//wouldn't it be better to treat this case as inserting at the end?
if (pt > numPoints) // > because we can insert at end...!
throw GP_OUT_OF_RANGE;
totX[pt] = xx, totY[pt] = yy, totOnCurve[pt] = oc;
-//A way to fix the kludge in GetPoly() would be to put a check here to see if
+//A way to fix the kludge in GetPoly() would be to put a check here to see if
//we're adding to the end of the structure: [DONE, below]
int polyInsert = (pt == numPoints ? numPolys - 1 : GetPoly(pt));
for(int i=polyInsert; i<numPolys; i++)
-// for(int i=GetPoly(pt); i<numPolys; i++)
polyEnd[i]++; // Bump polygons' end point
numPoints++;
x = totX, y = totY, onCurve = totOnCurve;
}
-void GlyphPoints::InsertPoint(uint16 pt, const IPoint &p)
+
+void GlyphPoints::InsertPoint(uint16_t pt, const IPoint &p)
{
InsertPoint(pt, p.x, p.y, p.onCurve);
}
+
//
// Delete a point from the glyph
// Note that we don't bother to reallocate anything here, just bump the
// size counters down as needed. In the future, we'll keep track so we
// don't have to reallocate *every* damn time a point is added...
//
-void GlyphPoints::DeletePoint(uint16 pt)
+void GlyphPoints::DeletePoint(uint16_t pt)
{
// Adjust polygon ends appropriately
- uint16 poly = GetPoly(pt);
+ uint16_t poly = GetPoly(pt);
for(int i=poly; i<numPolys; i++)
polyEnd[i]--;
x[i] = x[i + 1], y[i] = y[i + 1], onCurve[i] = onCurve[i + 1];
}
-uint16 GlyphPoints::GetNumPoints(void)
+
+uint16_t GlyphPoints::GetNumPoints(void)
{
return numPoints;
}
-uint16 GlyphPoints::GetNumPoints(uint16 poly)
+
+uint16_t GlyphPoints::GetNumPoints(uint16_t poly)
{
if (poly >= numPolys)
#ifdef DEBUG
{
-WriteLogMsg("Exception: GetNumPoints(uint16). poly=%u, numPolys=%u\xD\xA", poly, numPolys);
+WriteLogMsg("Exception: GetNumPoints(uint16_t). poly=%u, numPolys=%u\xD\xA", poly, numPolys);
#endif
throw GP_OUT_OF_RANGE;
#ifdef DEBUG
return polyEnd[poly] - (poly == 0 ? -1 : polyEnd[poly - 1]);
}
-uint16 GlyphPoints::GetNumPolys(void)
+
+uint16_t GlyphPoints::GetNumPolys(void)
{
return numPolys;
}
-int GlyphPoints::GetX(uint16 pt)
+
+int GlyphPoints::GetX(uint16_t pt)
{
if (pt >= numPoints)
#ifdef DEBUG
{
-WriteLogMsg("Exception: GetX(uint16). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
+WriteLogMsg("Exception: GetX(uint16_t). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
#endif
throw GP_OUT_OF_RANGE;
#ifdef DEBUG
return x[pt];
}
-int GlyphPoints::GetY(uint16 pt)
+
+int GlyphPoints::GetY(uint16_t pt)
{
if (pt >= numPoints)
#ifdef DEBUG
{
-WriteLogMsg("Exception: GetY(uint16). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
+WriteLogMsg("Exception: GetY(uint16_t). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
#endif
throw GP_OUT_OF_RANGE;
#ifdef DEBUG
return y[pt];
}
-bool GlyphPoints::GetOnCurve(uint16 pt)
+
+Vector GlyphPoints::GetXY(uint16_t pt)
{
if (pt >= numPoints)
#ifdef DEBUG
{
-WriteLogMsg("Exception: GetOnCurve(uint16). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
+WriteLogMsg("Exception: GetXY(uint16_t). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
+#endif
+ throw GP_OUT_OF_RANGE;
+#ifdef DEBUG
+}
+#endif
+
+ return Vector(x[pt], y[pt]);
+}
+
+
+bool GlyphPoints::GetOnCurve(uint16_t pt)
+{
+ if (pt >= numPoints)
+#ifdef DEBUG
+{
+WriteLogMsg("Exception: GetOnCurve(uint16_t). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
#endif
throw GP_OUT_OF_RANGE;
#ifdef DEBUG
return onCurve[pt];
}
-int GlyphPoints::GetX(uint16 poly, uint16 pt)
+
+int GlyphPoints::GetX(uint16_t poly, uint16_t pt)
{
if (pt >= GetNumPoints(poly))
#ifdef DEBUG
{
-WriteLogMsg("Exception: GetX(uint16, uint16). poly= %u, pt=%u, numPoints=%u\xD\xA", poly, pt, numPoints);
+WriteLogMsg("Exception: GetX(uint16_t, uint16_t). poly= %u, pt=%u, numPoints=%u\xD\xA", poly, pt, numPoints);
#endif
throw GP_OUT_OF_RANGE;
#ifdef DEBUG
return x[pt + (poly == 0 ? 0 : polyEnd[poly - 1] + 1)];
}
-int GlyphPoints::GetY(uint16 poly, uint16 pt)
+
+int GlyphPoints::GetNextX(uint16_t poly, uint16_t pt)
+{
+ return GetX(poly, GetNext(poly, pt));
+}
+
+
+int GlyphPoints::GetY(uint16_t poly, uint16_t pt)
{
if (pt >= GetNumPoints(poly))
#ifdef DEBUG
{
-WriteLogMsg("Exception: GetY(uint16, uint16). poly= %u, pt=%u, numPoints=%u\xD\xA", poly, pt, numPoints);
+WriteLogMsg("Exception: GetY(uint16_t, uint16_t). poly= %u, pt=%u, numPoints=%u\xD\xA", poly, pt, numPoints);
#endif
throw GP_OUT_OF_RANGE;
#ifdef DEBUG
return y[pt + (poly == 0 ? 0 : polyEnd[poly - 1] + 1)];
}
-bool GlyphPoints::GetOnCurve(uint16 poly, uint16 pt)
+
+int GlyphPoints::GetNextY(uint16_t poly, uint16_t pt)
+{
+ return GetY(poly, GetNext(poly, pt));
+}
+
+
+IPoint GlyphPoints::GetPoint(uint16_t poly, uint16_t pt)
+{
+ return IPoint(GetX(poly, pt), GetY(poly, pt), GetOnCurve(poly, pt));
+}
+
+
+IPoint GlyphPoints::GetPoint(uint16_t pointNumber)
+{
+ if (pointNumber > numPoints)
+ throw GP_OUT_OF_RANGE;
+
+ return IPoint(x[pointNumber], y[pointNumber], onCurve[pointNumber]);
+}
+
+
+bool GlyphPoints::GetOnCurve(uint16_t poly, uint16_t pt)
{
if (pt >= GetNumPoints(poly))
#ifdef DEBUG
{
-WriteLogMsg("Exception: GetOnCurve(uint16, uint16). poly= %u, pt=%u, numPoints=%u\xD\xA", poly, pt, numPoints);
+WriteLogMsg("Exception: GetOnCurve(uint16_t, uint16_t). poly= %u, pt=%u, numPoints=%u\xD\xA", poly, pt, numPoints);
#endif
throw GP_OUT_OF_RANGE;
#ifdef DEBUG
return onCurve[pt + (poly == 0 ? 0 : polyEnd[poly - 1] + 1)];
}
-uint16 GlyphPoints::GetPolyEnd(uint16 poly)
+
+bool GlyphPoints::GetPrevOnCurve(uint16_t poly, uint16_t pt)
+{
+ return GetOnCurve(poly, GetPrev(poly, pt));
+}
+
+
+bool GlyphPoints::GetNextOnCurve(uint16_t poly, uint16_t pt)
+{
+ return GetOnCurve(poly, GetNext(poly, pt));
+}
+
+
+uint16_t GlyphPoints::GetPolyStart(uint16_t poly)
+{
+ if (poly >= numPolys)
+#ifdef DEBUG
+{
+WriteLogMsg("Exception: GetPolyEnd(uint16_t). poly=%u, numPolys=%u\xD\xA", poly, numPolys);
+#endif
+ throw GP_OUT_OF_RANGE;
+#ifdef DEBUG
+}
+#endif
+
+ // If it's poly 0, return 0. Otherwise, get the previous poly's end & add one to it
+ return (poly == 0 ? 0 : polyEnd[poly - 1] + 1);
+}
+
+
+uint16_t GlyphPoints::GetPolyEnd(uint16_t poly)
{
if (poly >= numPolys)
#ifdef DEBUG
{
-WriteLogMsg("Exception: GetPolyEnd(uint16). poly=%u, numPolys=%u\xD\xA", poly, numPolys);
+WriteLogMsg("Exception: GetPolyEnd(uint16_t). poly=%u, numPolys=%u\xD\xA", poly, numPolys);
#endif
throw GP_OUT_OF_RANGE;
#ifdef DEBUG
return polyEnd[poly];
}
+
void GlyphPoints::OffsetPoints(int xOff, int yOff)
{
for(int i=0; i<numPoints; i++)
x[i] += xOff, y[i] += yOff;
}
+
//
// Offset only a specific polygon in the glyph
//
-void GlyphPoints::OffsetPoly(uint16 poly, int32 xOff, int32 yOff)
+void GlyphPoints::OffsetPoly(uint16_t poly, int32_t xOff, int32_t yOff)
{
if (poly >= numPolys)
#ifdef DEBUG
{
-WriteLogMsg("Exception: GetPolyEnd(uint16). poly=%u, numPolys=%u\xD\xA", poly, numPolys);
+WriteLogMsg("Exception: GetPolyEnd(uint16_t). poly=%u, numPolys=%u\xD\xA", poly, numPolys);
#endif
throw GP_OUT_OF_RANGE;
#ifdef DEBUG
}
#endif
- uint16 polyStart = (poly == 0 ? 0 : polyEnd[poly - 1] + 1);
+ uint16_t polyStart = (poly == 0 ? 0 : polyEnd[poly - 1] + 1);
for(int i=0; i<GetNumPoints(poly); i++)
x[polyStart + i] += xOff, y[polyStart + i] += yOff;
}
+
void GlyphPoints::ScalePoints(float sc)
{
for(int i=0; i<numPoints; i++)
y[i] = (int)(((float)y[i] * sc) + 0.5f);
}
-void GlyphPoints::SetXY(uint16 pt, int xx, int yy)
+
+void GlyphPoints::SetXY(uint16_t pt, int xx, int yy)
{
if (pt >= numPoints)
#ifdef DEBUG
{
-WriteLogMsg("Exception: SetXY(uint16, int, int). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
+WriteLogMsg("Exception: SetXY(uint16_t, int, int). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
#endif
throw GP_OUT_OF_RANGE;
#ifdef DEBUG
x[pt] = xx, y[pt] = yy;
}
-void GlyphPoints::SetOnCurve(uint16 pt, bool oc)
+
+void GlyphPoints::SetOnCurve(uint16_t pt, bool oc)
{
if (pt >= numPoints)
#ifdef DEBUG
{
-WriteLogMsg("Exception: SetOnCurve(uint16, bool). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
+WriteLogMsg("Exception: SetOnCurve(uint16_t, bool). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
#endif
throw GP_OUT_OF_RANGE;
#ifdef DEBUG
onCurve[pt] = oc;
}
-uint16 GlyphPoints::GetPrev(uint16 pt)
+
+void GlyphPoints::SetPoint(const uint16_t pointNum, const IPoint point)
+{
+ if (pointNum >= numPoints)
+#ifdef DEBUG
+{
+WriteLogMsg("Exception: SetPoint(uint16_t, IPoint). pt=%u, numPoints=%u\xD\xA", pointNum, numPoints);
+#endif
+ throw GP_OUT_OF_RANGE;
+#ifdef DEBUG
+}
+#endif
+
+ x[pointNum] = point.x, y[pointNum] = point.y, onCurve[pointNum] = point.onCurve;
+}
+
+
+uint16_t GlyphPoints::GetPrev(uint16_t pt)
{
// pt = 7, polyEnd = 4, 9, 15
- uint16 min = 0, max = numPoints - 1;
+ uint16_t min = 0, max = numPoints - 1;
for(int i=0; i<numPolys; i++)
{
}
}
- uint16 retVal = pt - 1;
+ uint16_t retVal = pt - 1;
if (pt == min)
retVal = max;
return retVal;
}
-uint16 GlyphPoints::GetNext(uint16 pt)
+
+uint16_t GlyphPoints::GetNext(uint16_t pt)
{
- uint16 min = 0, max = numPoints - 1;
+ uint16_t min = 0, max = numPoints - 1;
for(int i=0; i<numPolys; i++)
{
}
}
- uint16 retVal = pt + 1;
+ uint16_t retVal = pt + 1;
if (pt == max)
retVal = min;
return retVal;
}
+
//
// Get previous point for this polygon using wraparound.
// Note that pt is a zero-based index!
//
-uint16 GlyphPoints::GetPrev(uint16 poly, uint16 pt)
+uint16_t GlyphPoints::GetPrev(uint16_t poly, uint16_t pt)
{
return (pt == 0 ? GetNumPoints(poly) - 1 : pt - 1);
}
+
//
// Get next point for this polygon using wraparound.
// Note that pt is a zero-based index!
//
-uint16 GlyphPoints::GetNext(uint16 poly, uint16 pt)
+uint16_t GlyphPoints::GetNext(uint16_t poly, uint16_t pt)
{
return (pt == GetNumPoints(poly) - 1 ? 0 : pt + 1);
}
-uint16 GlyphPoints::GetPoly(uint16 pt)
+
+#warning "!!! This function returns incorrect results !!!"
+uint16_t GlyphPoints::GetPoly(uint16_t pt)
{
if (pt >= numPoints)
#ifdef DEBUG
{
-WriteLogMsg("Exception: GetPoly(uint16). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
+WriteLogMsg("Exception: GetPoly(uint16_t). pt=%u, numPoints=%u\xD\xA", pt, numPoints);
#endif
throw GP_OUT_OF_RANGE;
#ifdef DEBUG
if (pt <= polyEnd[i])
return i;
- return (uint16)-1;
+ return (uint16_t)-1;
}
+
void GlyphPoints::AddNewPolyAtEnd(void)
{
if (numPoints == 0) // By default, we already *have* a poly
return;
- uint16 * newPolyEnd = new uint16[numPolys + 1];
+ uint16_t * newPolyEnd = new uint16_t[numPolys + 1];
- for(uint16 i=0; i<numPolys; i++)
+ for(uint16_t i=0; i<numPolys; i++)
newPolyEnd[i] = polyEnd[i];
newPolyEnd[numPolys] = newPolyEnd[numPolys - 1];
polyEnd = newPolyEnd;
}
+
+IPoint GlyphPoints::GetMidpointToPrev(uint16_t poly, uint16_t pt)
+{
+ uint16_t prev = GetPrev(poly, pt);
+
+ int32_t x1 = GetX(poly, pt), y1 = GetY(poly, pt);
+ int32_t x2 = GetX(poly, prev), y2 = GetY(poly, prev);
+
+ return IPoint((x1 + x2) / 2.0f, (y1 + y2) / 2.0f);
+}
+
+
+IPoint GlyphPoints::GetMidpointToNext(uint16_t poly, uint16_t pt)
+{
+ uint16_t next = GetNext(poly, pt);
+
+ int32_t x1 = GetX(poly, pt), y1 = GetY(poly, pt);
+ int32_t x2 = GetX(poly, next), y2 = GetY(poly, next);
+
+ return IPoint((x1 + x2) / 2.0f, (y1 + y2) / 2.0f);
+}
+
+
+IPoint GlyphPoints::GetPrevPoint(uint16_t poly, uint16_t pt)
+{
+ uint16_t prevPt = GetPrev(poly, pt);
+
+ return IPoint(GetX(poly, prevPt), GetY(poly, prevPt));
+}
+
+
+IPoint GlyphPoints::GetNextPoint(uint16_t poly, uint16_t pt)
+{
+ uint16_t nextPt = GetNext(poly, pt);
+
+ return IPoint(GetX(poly, nextPt), GetY(poly, nextPt));
+}
+
+
+uint16_t GlyphPoints::GetPolyForPoint(IPoint point)
+{
+ uint16_t poly = 0;
+
+ for(uint16_t i=0; i<numPoints; i++)
+ {
+ if (i > polyEnd[poly])
+ poly++;
+
+ if (IPoint(x[i], y[i]) == point)
+ return poly;
+ }
+
+ return 0xFFFF;
+}
+
+
+uint16_t GlyphPoints::GetPolyForPointNumber(uint16_t pointNumber)
+{
+ // If there's only one poly, we know where the point is...
+ if (numPolys <= 1)
+ return 0;
+
+ // Otherwise, do a linear search through the polys to find the right one
+ for(uint16_t i=0; i<numPolys; i++)
+ {
+ if (pointNumber >= GetPolyStart(i) && pointNumber <= polyEnd[i])
+ return i;
+ }
+
+ return 0xFFFF;
+}
+
+
+//
+// Rotate a point by "angle" around point "center"
+//
+IPoint GlyphPoints::RotatePoint(const double angle, const IPoint point, const IPoint center)
+{
+ // Translate the point to the origin
+ double xt = (double)(point.x - center.x);
+ double yt = (double)(point.y - center.y);
+
+ // Rotate the point by angle
+ double xr = (xt * cos(angle)) - (yt * sin(angle));
+ double yr = (xt * sin(angle)) + (yt * cos(angle));
+
+ // Translate it back...
+ IPoint rotated;
+ rotated.x = (int)(xr + 0.5) + center.x;
+ rotated.y = (int)(yr + 0.5) + center.y;
+ return rotated;
+}
+
+
+//
+// Rotate all points in the glyph by "angle" around point "pt"
+//
+void GlyphPoints::RotatePoints(const double angle, const IPoint pt)
+{
+ for(int i=0; i<numPoints; i++)
+ {
+ // Translate the point to the origin
+ double xt = (double)(x[i] - pt.x);
+ double yt = (double)(y[i] - pt.y);
+
+ // Rotate the point by angle
+ double xr = (xt * cos(angle)) - (yt * sin(angle));
+ double yr = (xt * sin(angle)) + (yt * cos(angle));
+
+ // Put it back...
+ x[i] = (int)(xr + 0.5) + pt.x;
+ y[i] = (int)(yr + 0.5) + pt.y;
+ }
+}
+
+
+IPoint GlyphPoints::GetPolyCentroid(const int16_t poly)
+{
+ // We should throw an exception here, but meh
+ // (this actually short circuits the exception handling in all the GetPolyXXX() functions)
+ // [now we do!]
+ if (poly >= numPolys)
+ throw GP_OUT_OF_RANGE;
+// return IPoint(0, 0);
+
+// if (poly >= numPolys)
+//#ifdef DEBUG
+//{
+//WriteLogMsg("Exception: GetPolyEnd(uint16_t). poly=%u, numPolys=%u\xD\xA", poly, numPolys);
+//#endif
+// throw GP_OUT_OF_RANGE;
+//#ifdef DEBUG
+//}
+//#endif
+
+ IPoint centroid; // Initializes to (0, 0)
+ uint16_t numPointsInPoly = GetNumPoints(poly);
+
+ for(uint16_t i=GetPolyStart(poly); i<=GetPolyEnd(poly); i++)
+ {
+ centroid.x += x[i];
+ centroid.y += y[i];
+ }
+
+ centroid.x /= numPointsInPoly;
+ centroid.y /= numPointsInPoly;
+
+ return centroid;
+}
+
+
+void GlyphPoints::RotatePolyAroundCentroid(const int16_t poly, const double angle)
+{
+ if (poly >= numPolys)
+ return;
+
+ IPoint centroid = GetPolyCentroid(poly);
+
+ for(uint16_t i=GetPolyStart(poly); i<=GetPolyEnd(poly); i++)
+ {
+ IPoint rotated = RotatePoint(angle, IPoint(x[i], y[i]), centroid);
+ x[i] = rotated.x;
+ y[i] = rotated.y;
+ }
+}
+
+
+void GlyphPoints::InvertPolyDrawSequence(const uint16_t poly)
+{
+ if (poly >= numPolys)
+ throw GP_OUT_OF_RANGE;
+
+ uint16_t pointNum1 = GetPolyStart(poly);
+ uint16_t pointNum2 = GetPolyEnd(poly);
+
+ // Algorithm: Step through points in the polygon, swapping 1st and last, then
+ // 2nd and (last - 1), 3rd and (last - 2), etc. We only do this for half the
+ // points, as doing it for all would undo the swapping we did in the 1st half.
+ for(uint16_t i=0; i<GetNumPoints(poly)/2; i++)
+ {
+ IPoint point1 = GetPoint(pointNum1 + i);
+ IPoint point2 = GetPoint(pointNum2 - i);
+ SetPoint(pointNum2 - i, point1);
+ SetPoint(pointNum1 + i, point2);
+ }
+}
+
+
+// really need to do checking on the results from fscanf...
+bool GlyphPoints::LoadGlyphFromFile(FILE * file)
+{
+ char line[512];
+ float version;
+
+ FreeAllocatedMemory();
+
+ fscanf(file, "%s V%f", line, &version);
+ fscanf(file, "%s %u", line, &numPoints);
+ x = new int[numPoints];
+ y = new int[numPoints];
+ onCurve = new bool[numPoints];
+
+ for(int i=0; i<numPoints; i++)
+ {
+ fscanf(file, "%d %d %s", &x[i], &y[i], (char *)&line);
+ onCurve[i] = (line[0] == 'T' ? true : false);
+ }
+
+ fscanf(file, "%s %u", line, &numPolys);
+ polyEnd = new uint16_t[numPolys];
+
+ for(int i=0; i<numPolys; i++)
+ {
+ fscanf(file, "%u", &polyEnd[i]);
+ }
+
+ return true;
+}
+
+
+bool GlyphPoints::SaveGlyphToFile(FILE * file)
+{
+// GlyphPoints glyph = editWnd->pts;
+ fprintf(file, "TTEGLYPH V1.0\n");
+ fprintf(file, "POINTS %u\n", numPoints);
+
+ for(int i=0; i<numPoints; i++)
+ {
+ fprintf(file, "%d %d %s\n", x[i], y[i], (onCurve[i] ? "T" : "F"));
+ }
+
+ fprintf(file, "POLYS %u\n", numPolys);
+
+ for(int i=0; i<numPolys; i++)
+ {
+ fprintf(file, "%u\n", polyEnd[i]);
+ }
+
+ return true;
+}
+
projects / ttedit / blobdiff