171 lines
3.5 KiB
C++
171 lines
3.5 KiB
C++
#include "precomp.hpp"
|
|
|
|
|
|
GpStatus
|
|
GpPath::MoveTo(const GpPointF point)
|
|
{
|
|
INT origCount = GetPointCount();
|
|
|
|
GpPointF* pointbuf = Points.AddMultiple(1);
|
|
BYTE* typebuf = Types.AddMultiple(1);
|
|
|
|
if (pointbuf == NULL || typebuf == NULL)
|
|
{
|
|
Points.SetCount(origCount);
|
|
Types.SetCount(origCount);
|
|
|
|
return OutOfMemory;
|
|
}
|
|
|
|
*typebuf = PathPointTypeStart;
|
|
SubpathCount++; // start a new subpath
|
|
|
|
GpMemcpy(pointbuf, (PVOID)&point, sizeof(GpPointF));
|
|
|
|
IsSubpathActive = TRUE;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
|
|
BOOL APIENTRY PATHOBJ_bMoveTo(
|
|
PVOID *ppo,
|
|
POINTFIX ptfx
|
|
)
|
|
{
|
|
GpPointF point(FIX4TOREAL(ptfx.x), FIX4TOREAL(ptfx.y));
|
|
GpPath *path = (GpPath*)ppo;
|
|
|
|
return (path->MoveTo(point) == Ok ? TRUE : FALSE);
|
|
}
|
|
|
|
|
|
GpStatus
|
|
GpPath::AddPoints(
|
|
const GpPointF *points,
|
|
ULONG count,
|
|
PathPointType pointType)
|
|
{
|
|
if (pointType != PathPointTypeLine && pointType != PathPointTypeBezier)
|
|
return InvalidParameter;
|
|
|
|
INT origCount = GetPointCount();
|
|
|
|
GpPointF* pointbuf = Points.AddMultiple(count);
|
|
BYTE* typebuf = Types.AddMultiple(count);
|
|
|
|
if(pointbuf == NULL || typebuf == NULL)
|
|
{
|
|
// Resize the original size.
|
|
|
|
Points.SetCount(origCount);
|
|
Types.SetCount(origCount);
|
|
|
|
return OutOfMemory;
|
|
}
|
|
|
|
// Copy path point data
|
|
|
|
GpMemcpy(pointbuf, points, count*sizeof(GpPointF));
|
|
GpMemset(typebuf, pointType, count);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
#define POINTS_BUFFER_SIZE 3*6
|
|
|
|
BOOL APIENTRY PATHOBJ_bPolyLineTo(
|
|
PVOID *ppo,
|
|
POINTFIX *pptfx,
|
|
ULONG cptfx
|
|
)
|
|
{
|
|
GpPath *path = (GpPath*)ppo;
|
|
GpPointF *points = NULL, apoint[POINTS_BUFFER_SIZE];
|
|
BOOL ret = FALSE;
|
|
|
|
if (!path->IsValid() || !pptfx || cptfx == 0)
|
|
return FALSE;
|
|
|
|
if (cptfx > POINTS_BUFFER_SIZE)
|
|
{
|
|
points = new GpPointF[cptfx];
|
|
|
|
if (points == NULL)
|
|
return FALSE;
|
|
}
|
|
else
|
|
points = apoint;
|
|
|
|
// convert FIX4 to REAL
|
|
|
|
for (ULONG i = 0; i < cptfx; i++)
|
|
{
|
|
points[i].X = FIX4TOREAL(pptfx[i].x);
|
|
points[i].Y = FIX4TOREAL(pptfx[i].y);
|
|
}
|
|
|
|
if (path->AddPoints(points, cptfx, PathPointTypeLine) == Ok)
|
|
ret = TRUE;
|
|
|
|
if (points != apoint)
|
|
delete [] points;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
BOOL APIENTRY PATHOBJ_bPolyBezierTo(
|
|
PVOID *ppo,
|
|
POINTFIX *pptfx,
|
|
ULONG cptfx
|
|
)
|
|
{
|
|
GpPath *path = (GpPath*)ppo;
|
|
GpPointF *points = NULL, apoint[POINTS_BUFFER_SIZE];
|
|
BOOL ret = FALSE;
|
|
|
|
ASSERT(cptfx % 3 == 0);
|
|
|
|
if (!path->IsValid() || pptfx == NULL || cptfx == 0 || (cptfx % 3 != 0))
|
|
return FALSE;
|
|
|
|
if (cptfx > POINTS_BUFFER_SIZE)
|
|
{
|
|
points = new GpPointF[cptfx];
|
|
|
|
if (points == NULL)
|
|
return FALSE;
|
|
}
|
|
else
|
|
points = apoint;
|
|
|
|
// convert FIX4 to REAL
|
|
|
|
for (ULONG i = 0; i < cptfx; i++)
|
|
{
|
|
points[i].X = FIX4TOREAL(pptfx[i].x);
|
|
points[i].Y = FIX4TOREAL(pptfx[i].y);
|
|
}
|
|
|
|
if (path->AddPoints(points, cptfx, PathPointTypeBezier) == Ok)
|
|
{
|
|
path->SetHasBezier(TRUE);
|
|
ret = TRUE;
|
|
}
|
|
|
|
if (points != apoint)
|
|
delete [] points;
|
|
|
|
return ret;
|
|
}
|
|
|
|
BOOL APIENTRY PATHOBJ_bCloseFigure(
|
|
PVOID *ppo
|
|
)
|
|
{
|
|
((GpPath*)ppo)->CloseFigure();
|
|
|
|
return TRUE;
|
|
}
|