[mathgl] Better patch to fix png-s generation

Dmitrij S. Kryzhevich krege at fedoraproject.org
Tue Apr 23 04:36:26 UTC 2013


commit b35340c1ebb00748853151ac89d0f583c18cfcf8
Author: Dmitrij S. Kryzhevich <krege at land.ru>
Date:   Tue Apr 23 11:36:19 2013 +0700

    Better patch to fix png-s generation

 mathgl-2.1.2-stlerror.patch |  737 ++++++++++++++++++++++++++++++++++++-------
 mathgl.spec                 |    7 +-
 2 files changed, 625 insertions(+), 119 deletions(-)
---
diff --git a/mathgl-2.1.2-stlerror.patch b/mathgl-2.1.2-stlerror.patch
index e2fd4d2..92150f0 100644
--- a/mathgl-2.1.2-stlerror.patch
+++ b/mathgl-2.1.2-stlerror.patch
@@ -1,219 +1,722 @@
+diff -urp mathgl-2.1.2/include/mgl2/canvas.h mathgl-2.1.2-stlerror/include/mgl2/canvas.h
+--- mathgl-2.1.2/include/mgl2/canvas.h	2013-01-28 18:33:59.000000000 +0700
++++ mathgl-2.1.2-stlerror/include/mgl2/canvas.h	2013-04-23 09:33:14.801413395 +0700
+@@ -373,15 +373,15 @@ protected:
+ 	mreal text_plot(long p,const wchar_t *text,const char *fnt,mreal size=-1,mreal sh=0,mreal  col=-('k'), bool rot=true);
+ 
+ 	void add_prim(mglPrim &a);	///< add primitive to list
+-	void mark_draw(long p, char type, mreal size, mglDrawReg *d);
+-	void arrow_draw(long p1, long p2, char st, mreal size, mglDrawReg *d);
+-	virtual void line_draw(long p1, long p2, mglDrawReg *d);
+-	virtual void trig_draw(long p1, long p2, long p3, bool anorm, mglDrawReg *d);
+-	virtual void quad_draw(long p1, long p2, long p3, long p4, mglDrawReg *d);
+-	virtual void pnt_draw(long p, mglDrawReg *d);
++    void mark_draw(const mglPnt &p, char type, mreal size, mglDrawReg *d);
++    void arrow_draw(const mglPnt &p1, const mglPnt &p2, char st, mreal size, mglDrawReg *d);
++    virtual void line_draw(const mglPnt &p1, const mglPnt &p2, mglDrawReg *d);
++    virtual void trig_draw(const mglPnt &p1, const mglPnt &p2, const mglPnt &p3, bool anorm, mglDrawReg *d);
++    virtual void quad_draw(const mglPnt &p1, const mglPnt &p2, const mglPnt &p3, const mglPnt &p4, mglDrawReg *d);
++    virtual void pnt_draw(const mglPnt &p, mglDrawReg *d);
+ 	void arrow_draw(long n1, long n2, char st, float ll);
+-	void arrow_plot_3d(long p1, long p2, char st, float ll);
+-	void glyph_draw(const mglPrim *P, mglDrawReg *d);
++    void arrow_plot_3d(long n1, long n2, char st, float ll);
++    void glyph_draw(const mglPrim &P, mglDrawReg *d);
+ 	bool IsSame(const mglPrim &pr,mreal wp,mglColor cp,int st);
+ 
+ 	// restore normalized coordinates from screen ones
+@@ -425,7 +425,7 @@ private:
+ 	/// Combine colors in 2 plane.
+ 	void combine(unsigned char *c1, const unsigned char *c2);
+ 	/// Fast drawing of line between 2 points
+-	void fast_draw(long p1, long p2, mglDrawReg *d);
++    void fast_draw(const mglPnt &p1, const mglPnt &p2, mglDrawReg *d);
+ 
+ 	/// Additionally scale points p for positioning in image
+ 	void PostScale(mglPoint &p) const;
+diff -urp mathgl-2.1.2/include/mgl2/opengl.h mathgl-2.1.2-stlerror/include/mgl2/opengl.h
+--- mathgl-2.1.2/include/mgl2/opengl.h	2013-01-28 18:33:59.000000000 +0700
++++ mathgl-2.1.2-stlerror/include/mgl2/opengl.h	2013-04-23 09:34:13.701604344 +0700
+@@ -45,10 +45,15 @@ public:
+ 	void Clf(mglColor Back=WC);
+ 
+ protected:
+-	void line_draw(long p1, long p2, mglDrawReg *d);
+-	void trig_draw(long p1, long p2, long p3, bool anorm, mglDrawReg *d);
+-	void quad_draw(long p1, long p2, long p3, long p4, mglDrawReg *d);
+-	void pnt_draw(long p, mglDrawReg *d);
++    // provide fastest variant for usual points (not glyphs or marks)
++    void line_draw(long n1, long n2);
++    void trig_draw(long n1, long n2, long n3);
++    void quad_draw(long n1, long n2, long n3, long n4);
++    // variant for glyphs or marks
++    void line_draw(const mglPnt &p1, const mglPnt &p2, mglDrawReg *d);
++    void trig_draw(const mglPnt &p1, const mglPnt &p2, const mglPnt &p3, bool anorm, mglDrawReg *d);
++    void quad_draw(const mglPnt &p1, const mglPnt &p2, const mglPnt &p3, const mglPnt &p4, mglDrawReg *d);
++    void pnt_draw(const mglPnt &p, mglDrawReg *d);
+ 
+ 	unsigned char **GetRGBLines(long &w, long &h, unsigned char *&f, bool solid=true);
+ 	void LightScale();
+diff -urp mathgl-2.1.2/src/canvas.cpp mathgl-2.1.2-stlerror/src/canvas.cpp
+--- mathgl-2.1.2/src/canvas.cpp	2013-01-28 18:34:04.000000000 +0700
++++ mathgl-2.1.2-stlerror/src/canvas.cpp	2013-04-23 09:57:19.486537407 +0700
+@@ -301,7 +301,7 @@ mreal mglCanvas::GetOrgZ(char dir) const
+ //-----------------------------------------------------------------------------
+ //	Put primitives
+ //-----------------------------------------------------------------------------
+-#define MGL_MARK_PLOT	if(Quality&4)	mark_draw(p,type,size,&d);else	\
++#define MGL_MARK_PLOT   if(Quality&4)   mark_draw(Pnt[p],type,size,&d);else \
+ 						{	mglPrim a;	a.w = pw;	a.s = size;	\
+ 							a.n1 = p;	a.n4 = type;	add_prim(a);	}
+ void mglCanvas::mark_plot(long p, char type, mreal size)
+@@ -322,13 +322,14 @@ void mglCanvas::mark_plot(long p, char t
+ 	else	{	MGL_MARK_PLOT	}
+ }
+ //-----------------------------------------------------------------------------
+-#define MGL_LINE_PLOT	if(Quality&4)	line_draw(p1,p2,&dd);else	\
++#define MGL_LINE_PLOT   if(Quality&4)   line_draw(Pnt[p1],Pnt[p2],&dd);else \
+ 						{	mglPrim a(1);	a.n3=PDef;	a.s = pPos;	\
+ 							a.n1 = p1;	a.n2 = p2;	a.w = pw;	add_prim(a);	}
+ void mglCanvas::line_plot(long p1, long p2)
+ {
+ 	if(PDef==0)	return;
+ 	if(p1<0 || p2<0 || mgl_isnan(Pnt[p1].x) || mgl_isnan(Pnt[p2].x))	return;
++    if(p1>p2)   {   long kk=p1; p1=p2;  p2=kk;  }   // rearrange start/end for proper dashing
+ 	long pp1=p1,pp2=p2;
+ 	mreal pw = fabs(PenWidth)*sqrt(font_factor/400), d;
+ 	d = hypot(Pnt[p1].x-Pnt[p2].x, Pnt[p1].y-Pnt[p2].y);
+@@ -344,7 +345,7 @@ void mglCanvas::line_plot(long p1, long
+ 	pPos = fmod(pPos+d/pw/1.5, 16);
+ }
+ //-----------------------------------------------------------------------------
+-#define MGL_TRIG_PLOT	if(Quality&4)	trig_draw(p1,p2,p3,true,&d);else	\
++#define MGL_TRIG_PLOT   if(Quality&4)   trig_draw(Pnt[p1],Pnt[p2],Pnt[p3],true,&d);else \
+ 						{	mglPrim a(2);	a.n1 = p1;	a.n2 = p2;	\
+ 							a.n3 = p3;	add_prim(a);}
+ void mglCanvas::trig_plot(long p1, long p2, long p3)
+@@ -358,7 +359,7 @@ void mglCanvas::trig_plot(long p1, long
+ 	else	{	MGL_TRIG_PLOT	}
+ }
+ //-----------------------------------------------------------------------------
+-#define MGL_QUAD_PLOT	if(Quality&4)	quad_draw(p1,p2,p3,p4,&d);else	\
++#define MGL_QUAD_PLOT   if(Quality&4)   quad_draw(Pnt[p1],Pnt[p2],Pnt[p3],Pnt[p4],&d);else  \
+ 						{	mglPrim a(3);	a.n1 = p1;	a.n2 = p2;	\
+ 							a.n3 = p3;	a.n4 = p4;	add_prim(a);	}
+ void mglCanvas::quad_plot(long p1, long p2, long p3, long p4)
+@@ -480,7 +481,7 @@ void mglCanvas::Glyph(mreal x, mreal y,
+ 	d.PDef = s;		d.pPos = a.s;
+ 	d.ObjId=ObjId;	d.PenWidth=a.w;
+ 	
+-	if(Quality&4)	glyph_draw(&a,&d);
++	if(Quality&4)   glyph_draw(a,&d);
+ 	else	add_prim(a);
+ }
+ //-----------------------------------------------------------------------------
+@@ -708,6 +709,7 @@ void mglCanvas::AddLight(int n, mglPoint
+ //-----------------------------------------------------------------------------
+ void mglCanvas::arrow_plot(long n1, long n2, char st)
+ {
++    if(n1<0 || n2<0 || !strchr("AVKSDTIO",st))  return;
+ 	float ll = PenWidth*ArrowSize*0.35*font_factor;
+ 	if((Quality&3)==3)
+ 		arrow_plot_3d(n1, n2, st, ll);
+diff -urp mathgl-2.1.2/src/opengl.cpp mathgl-2.1.2-stlerror/src/opengl.cpp
+--- mathgl-2.1.2/src/opengl.cpp	2013-01-28 18:34:04.000000000 +0700
++++ mathgl-2.1.2-stlerror/src/opengl.cpp	2013-04-23 11:09:18.381161728 +0700
+@@ -41,11 +41,11 @@ void mglCanvasGL::Finish(bool fast)
+ 			p=Prm[i];	PDef=p.n3;	pPos=p.s;	PenWidth=p.w;
+ 			switch(p.type)
+ 			{
+-			case 0:	mark_draw(p.n1,p.n4,p.s,0);	break;
+-			case 1:	line_draw(p.n1,p.n2,0);		break;
+-			case 2:	trig_draw(p.n1,p.n2,p.n3,true,0);	break;
+-			case 3:	quad_draw(p.n1,p.n2,p.n3,p.n4,0);	break;
+-			case 4:	glyph_draw(&p,0);	break;
++            case 0: mark_draw(Pnt[p.n1],p.n4,p.s,0);    break;
++            case 1: line_draw(p.n1,p.n2);   break;
++            case 2: trig_draw(p.n1,p.n2,p.n3);  break;
++            case 3: quad_draw(p.n1,p.n2,p.n3,p.n4); break;
++            case 4: glyph_draw(p,0);    break;
+ 			}
+ 		}
+ 		PDef=pdef;	pPos=ss;	PenWidth=ww;
+@@ -231,26 +231,24 @@ unsigned char **mglCanvasGL::GetRGBLines
+ 	return p;
+ }
+ //-----------------------------------------------------------------------------
+-void mglCanvasGL::trig_draw(long k1, long k2, long k3, bool, mglDrawReg *)
++void mglCanvasGL::quad_draw(long k1, long k2, long k3, long k4)
+ {
+-	if(k1<0 || k2<0 || k3<0)	return;
+-	glBegin(GL_TRIANGLES);
+-	glArrayElement(k1);	glArrayElement(k2);	glArrayElement(k3);
++    glBegin(GL_QUADS);
++    glArrayElement(k1); glArrayElement(k2);
++    glArrayElement(k4); glArrayElement(k3);
+ 	glEnd();
+ }
+ //-----------------------------------------------------------------------------
+-void mglCanvasGL::quad_draw(long k1, long k2, long k3, long k4, mglDrawReg *)
++void mglCanvasGL::trig_draw(long k1, long k2, long k3)
+ {
+-	if(k1<0 || k2<0 || k3<0 || k4<0)	return;
+-	glBegin(GL_QUADS);
+-	glArrayElement(k1);	glArrayElement(k2);
+-	glArrayElement(k4);	glArrayElement(k3);
++    glBegin(GL_TRIANGLES);
++    glArrayElement(k1); glArrayElement(k2); glArrayElement(k3);
+ 	glEnd();
+ }
+ //-----------------------------------------------------------------------------
+-void mglCanvasGL::line_draw(long k1, long k2, mglDrawReg *)
++void mglCanvasGL::line_draw(long k1, long k2)
+ {
+-	if(k1<0 || k2<0 || PDef==0)	return;
++	if(PDef==0) return;
+ /*	unsigned pdef = PDef*0x10001;
+ 	pdef = pdef << (int(100*pPos+0.5)%16);
+ 	set_pen(pdef&0xffff,PenWidth);*/
+@@ -260,12 +258,39 @@ void mglCanvasGL::line_draw(long k1, lon
+ 	glEnd();
+ }
+ //-----------------------------------------------------------------------------
+-void mglCanvasGL::pnt_draw(long k1, mglDrawReg *)
++void mglCanvasGL::quad_draw(const mglPnt &p1, const mglPnt &p2, const mglPnt &p3, const mglPnt &p4, mglDrawReg *)
++{
++    glBegin(GL_QUADS);
++    glNormal3f(p1.u,p1.v,p1.w); glColor4f(p1.r,p1.g,p1.b,p1.a); glVertex3f(p1.x,p1.y,p1.z);
++    glNormal3f(p2.u,p2.v,p2.w); glColor4f(p2.r,p2.g,p2.b,p2.a); glVertex3f(p2.x,p2.y,p2.z);
++    glNormal3f(p3.u,p3.v,p3.w); glColor4f(p3.r,p3.g,p3.b,p3.a); glVertex3f(p3.x,p3.y,p3.z);
++    glNormal3f(p4.u,p4.v,p4.w); glColor4f(p4.r,p4.g,p4.b,p4.a); glVertex3f(p4.x,p4.y,p4.z);
++    glEnd();
++}
++//-----------------------------------------------------------------------------
++void mglCanvasGL::trig_draw(const mglPnt &p1, const mglPnt &p2, const mglPnt &p3, bool, mglDrawReg *)
++{
++    glBegin(GL_TRIANGLES);
++    glNormal3f(p1.u,p1.v,p1.w); glColor4f(p1.r,p1.g,p1.b,p1.a); glVertex3f(p1.x,p1.y,p1.z);
++    glNormal3f(p2.u,p2.v,p2.w); glColor4f(p2.r,p2.g,p2.b,p2.a); glVertex3f(p2.x,p2.y,p2.z);
++    glNormal3f(p3.u,p3.v,p3.w); glColor4f(p3.r,p3.g,p3.b,p3.a); glVertex3f(p3.x,p3.y,p3.z);
++    glEnd();
++}
++//-----------------------------------------------------------------------------
++void mglCanvasGL::line_draw(const mglPnt &p1, const mglPnt &p2, mglDrawReg *)
++{
++    if(PDef==0) return;
++    set_pen(PDef,PenWidth);
++    glBegin(GL_LINES);
++    glColor4f(p1.r,p1.g,p1.b,p1.a); glVertex3f(p1.x,p1.y,p1.z);
++    glColor4f(p2.r,p2.g,p2.b,p2.a); glVertex3f(p2.x,p2.y,p2.z);
++    glEnd();
++}
++//-----------------------------------------------------------------------------
++void mglCanvasGL::pnt_draw(const mglPnt &p1, mglDrawReg *)
+ {
+-	if(k1<0)	return;
+ 	glBegin(GL_POINTS);
+-	glArrayElement(k1);
++	glColor4f(p1.r,p1.g,p1.b,p1.a); glVertex3f(p1.x,p1.y,p1.z);
+ 	glEnd();
+ }
+ //-----------------------------------------------------------------------------
+-
 diff -urp mathgl-2.1.2/src/pixel.cpp mathgl-2.1.2-stlerror/src/pixel.cpp
 --- mathgl-2.1.2/src/pixel.cpp	2013-01-28 18:34:04.000000000 +0700
-+++ mathgl-2.1.2-stlerror/src/pixel.cpp	2013-04-22 16:45:58.894481072 +0700
-@@ -839,7 +839,6 @@ void mglCanvas::mark_draw(long k, char t
- #if MGL_HAVE_PTHREAD
- 	pthread_mutex_lock(&mutexPnt);
- #endif
++++ mathgl-2.1.2-stlerror/src/pixel.cpp	2013-04-23 10:34:47.308501443 +0700
+@@ -304,11 +304,11 @@ void mglCanvas::pxl_primdr(size_t id, si
+ 		d.ObjId = p.id;	d.PenWidth=p.w;
+ 		switch(p.type)
+ 		{
+-		case 0:	mark_draw(p.n1,p.n4,p.s,&d);	break;
+-		case 1:	line_draw(p.n1,p.n2,&d);		break;
+-		case 2:	trig_draw(p.n1,p.n2,p.n3,true,&d);	break;
+-		case 3:	quad_draw(p.n1,p.n2,p.n3,p.n4,&d);	break;
+-		case 4:	glyph_draw(&p,&d);	break;
++        case 0: mark_draw(Pnt[p.n1],p.n4,p.s,&d);   break;
++        case 1: line_draw(Pnt[p.n1],Pnt[p.n2],&d);      break;
++        case 2: trig_draw(Pnt[p.n1],Pnt[p.n2],Pnt[p.n3],true,&d);   break;
++        case 3: quad_draw(Pnt[p.n1],Pnt[p.n2],Pnt[p.n3],Pnt[p.n4],&d);  break;
++        case 4: glyph_draw(p,&d);   break;
+ 		}
+ 	}
+ }
+@@ -586,17 +586,16 @@ unsigned char **mglCanvas::GetRGBLines(l
+ /* Bilinear interpolation r(u,v) = r0 + (r1-r0)*u + (r2-r0)*v + (r3+r0-r1-r2)*u*v
+ 	is used (where r is one of {x,y,z,R,G,B,A}. Variables u,v are determined
+ 	for each point (x,y) and selected one pair which 0<u<1 and 0<v<1.*/
+-void mglCanvas::quad_draw(long k1, long k2, long k3, long k4, mglDrawReg *d)
++void mglCanvas::quad_draw(const mglPnt &p1, const mglPnt &p2, const mglPnt &p3, const mglPnt &p4, mglDrawReg *d)
+ {
+ 	if(!(Quality&3))
+ 	{
+-		fast_draw(k1,k2,d);	fast_draw(k1,k3,d);
+-		fast_draw(k4,k2,d);	fast_draw(k4,k3,d);	return;
++        fast_draw(p1,p2,d); fast_draw(p1,p3,d);
++        fast_draw(p4,p2,d); fast_draw(p4,p3,d); return;
+ 	}
+ 	unsigned char r[4];
+ 	long y1,x1,y2,x2;
+ 	float dd,dsx,dsy;
+-	const mglPnt &p1=Pnt[k1], &p2=Pnt[k2], &p3=Pnt[k3], &p4=Pnt[k4];
+ 	mglPnt d1=p2-p1, d2=p3-p1, d3=p4+p1-p2-p3, p;
+ 
+ 	x1 = long(fmin(fmin(p1.x,p2.x),fmin(p3.x,p4.x)));	// bounding box
+@@ -612,7 +611,7 @@ void mglCanvas::quad_draw(long k1, long
+ 	dsy = 4*(d2.y*d3.x - d2.x*d3.y)*d1.x;
+ 
+ 	if((d1.x==0 && d1.y==0) || (d2.x==0 && d2.y==0) || !(Quality&2))
+-	{	trig_draw(k1,k2,k4,true,d);	trig_draw(k1,k3,k4,true,d);	return;	}
++	{   trig_draw(p1,p2,p4,true,d); trig_draw(p1,p3,p4,true,d); return; }
+ 
+ 	mglPoint n1 = mglPoint(p2.x-p1.x,p2.y-p1.y,p2.z-p1.z)^mglPoint(p3.x-p1.x,p3.y-p1.y,p3.z-p1.z);
+ 	mglPoint n2 = mglPoint(p2.x-p4.x,p2.y-p4.y,p2.z-p4.z)^mglPoint(p3.x-p4.x,p3.y-p4.y,p3.z-p4.z);
+@@ -657,17 +656,16 @@ void mglCanvas::quad_draw(long k1, long
+ /* Linear interpolation r(u,v) = r0 + (r1-r0)*u + (r2-r0)*v is used, where r is
+ 	one of {x,y,z,R,G,B,A}. Variables u,v are determined for each point (x,y).
+ 	Point plotted is u>0 and v>0 and u+v<1.*/
+-void mglCanvas::trig_draw(long k1, long k2, long k3, bool anorm, mglDrawReg *d)
++void mglCanvas::trig_draw(const mglPnt &p1, const mglPnt &p2, const mglPnt &p3, bool anorm, mglDrawReg *d)
+ {
+ 	if(!(Quality&3))
+ 	{
+-		fast_draw(k1,k2,d);	fast_draw(k1,k3,d);
+-		fast_draw(k2,k3,d);	return;
++        fast_draw(p1,p2,d); fast_draw(p1,p3,d);
++        fast_draw(p2,p3,d); return;
+ 	}
+ 	unsigned char r[4];
+ 	long y1,x1,y2,x2;
+ 	float dxu,dxv,dyu,dyv;
+-	const mglPnt &p1=Pnt[k1], &p2=Pnt[k2], &p3=Pnt[k3];
+ 	mglPnt d1=p2-p1, d2=p3-p1, p;
+ 
+ 	dxu = d2.x*d1.y - d1.x*d2.y;
+@@ -704,10 +702,9 @@ void mglCanvas::trig_draw(long k1, long
+ 	}
+ }
+ //-----------------------------------------------------------------------------
+-void mglCanvas::line_draw(long k1, long k2, mglDrawReg *dr)
++void mglCanvas::line_draw(const mglPnt &p1, const mglPnt &p2, mglDrawReg *dr)
+ {
+-	if(k1>k2)	{	long kk=k1;	k1=k2;	k2=kk;	}	// rearrange start/end for proper dashing
+-	if(!(Quality&3))	{	fast_draw(k1,k2,dr);	return;	}
++	if(!(Quality&3))    {   fast_draw(p1,p2,dr);    return; }
+ 	unsigned char r[4];
+ 	long y1,x1,y2,x2;
+ 
+@@ -715,7 +712,6 @@ void mglCanvas::line_draw(long k1, long
+ 	float dz = Width>2 ? 1 : 1e-5*Width;		// provide additional height to be well visible on the surfaces
+ 
+ 	if(dr->ObjId==HighId)	{	pw *= 2;	dpw=2;	}
+-	const mglPnt &p1=Pnt[k1], &p2=Pnt[k2];
+ 	mglPnt d=p2-p1, p;
+ 	bool hor = fabs(d.x)>fabs(d.y);
+ 
+@@ -777,9 +773,8 @@ void mglCanvas::line_draw(long k1, long
+ 	set(aa,MGL_ENABLE_ALPHA);
+ }
+ //-----------------------------------------------------------------------------
+-void mglCanvas::fast_draw(long k1, long k2, mglDrawReg *dr)
++void mglCanvas::fast_draw(const mglPnt &p1, const mglPnt &p2, mglDrawReg *dr)
+ {
+-	const mglPnt &p1=Pnt[k1], &p2=Pnt[k2];
+ 	mglPnt d=p2-p1;
+ 	unsigned char r[4];	col2int(p1,r,dr->ObjId);
+ 	long y1,x1,y2,x2;
+@@ -807,12 +802,11 @@ void mglCanvas::fast_draw(long k1, long
+ 	}
+ }
+ //-----------------------------------------------------------------------------
+-void mglCanvas::pnt_draw(long k, mglDrawReg *dr)
++void mglCanvas::pnt_draw(const mglPnt &p, mglDrawReg *dr)
+ {
+ 	register long i,j,s,x,y;
+ 	register float v,pw=3*dr->PenWidth,dpw=3;
+ 	if(dr->ObjId==HighId)	{	pw *= 2;	dpw=2;	}
+-	const mglPnt &p=Pnt[k];
+ 	unsigned char cs[4], cc;
+ 	col2int(p,cs,dr->ObjId);	cc = cs[3];
+ 	if(cc==0)	return;
+@@ -829,21 +823,17 @@ void mglCanvas::pnt_draw(long k, mglDraw
+ 	}
+ }
+ //-----------------------------------------------------------------------------
+-void mglCanvas::mark_draw(long k, char type, mreal size, mglDrawReg *d)
++void mglCanvas::mark_draw(const mglPnt &q, char type, mreal size, mglDrawReg *d)
+ {
+-	const mglPnt &q=Pnt[k];
+ 	unsigned char cs[4];	col2int(q,cs,d->ObjId);	cs[3] = size>0 ? 255 : 255*q.t;
+-	mglPnt p=q;
++	mglPnt p0=q,p1=q,p2=q,p3=q;
+ 	mreal ss=fabs(size);
+ 	register long i,j;
+-#if MGL_HAVE_PTHREAD
+-	pthread_mutex_lock(&mutexPnt);
+-#endif
 -	size_t pos = Pnt.size(), qos=pos;
++
  	if(type=='.' || ss==0)
  	{
  		if(d)	d->PenWidth = ss?ss:sqrt(font_factor/400);
-@@ -847,6 +846,9 @@ void mglCanvas::mark_draw(long k, char t
+-		pnt_draw(k,d);
++		pnt_draw(q,d);
  	}
  	else
  	{
-+		if(type=='C')	pnt_draw(k,d);
-+		std::vector<mglPnt> pnt = Pnt;	Pnt.clear();
-+		long qos = 0;
- 		if(d)
- 		{
- 			d->PDef = 0xffff;	d->PenWidth*=fabs(50*size);
-@@ -857,10 +859,10 @@ void mglCanvas::mark_draw(long k, char t
+@@ -856,107 +846,100 @@ void mglCanvas::mark_draw(long k, char t
+ 		switch(type)
  		{
  		case 'P':
- 			p.x = q.x-ss;	p.y = q.y-ss;	Pnt.push_back(p);
+-			p.x = q.x-ss;	p.y = q.y-ss;	Pnt.push_back(p);
 -			p.x = q.x+ss;	p.y = q.y-ss;	Pnt.push_back(p);	line_draw(pos,pos+1,d);
 -			p.x = q.x+ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(pos+1,pos+2,d);
 -			p.x = q.x-ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(pos+2,pos+3,d);
 -			line_draw(pos+3,pos,d);	qos+=4;
-+			p.x = q.x+ss;	p.y = q.y-ss;	Pnt.push_back(p);	line_draw(0,1,d);
-+			p.x = q.x+ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(1,2,d);
-+			p.x = q.x-ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(2,3,d);
-+			line_draw(3,0,d);	qos+=4;
++            p0.x = q.x-ss;  p0.y = q.y-ss;  p1.x = q.x+ss;  p1.y = q.y-ss;
++            p2.x = q.x+ss;  p2.y = q.y+ss;  p3.x = q.x-ss;  p3.y = q.y+ss;
++            line_draw(p0,p1,d); line_draw(p1,p2,d);
++            line_draw(p2,p3,d); line_draw(p3,p0,d);
  		case '+':
- 			p.x = q.x-ss;	p.y = q.y;		Pnt.push_back(p);
- 			p.x = q.x+ss;	p.y = q.y;		Pnt.push_back(p);	line_draw(qos,qos+1,d);
-@@ -869,10 +871,10 @@ void mglCanvas::mark_draw(long k, char t
+-			p.x = q.x-ss;	p.y = q.y;		Pnt.push_back(p);
+-			p.x = q.x+ss;	p.y = q.y;		Pnt.push_back(p);	line_draw(qos,qos+1,d);
+-			p.x = q.x;	p.y = q.y-ss;		Pnt.push_back(p);
+-			p.x = q.x;	p.y = q.y+ss;		Pnt.push_back(p);	line_draw(qos+2,qos+3,d);
++            p0.x = q.x-ss;  p0.y = q.y; p1.x = q.x+ss;  p1.y = q.y; line_draw(p0,p1,d);
++            p2.x = q.x; p2.y = q.y-ss;  p3.x = q.x; p3.y = q.y+ss;  line_draw(p2,p3,d);
  			break;
  		case 'X':
- 			p.x = q.x-ss;	p.y = q.y-ss;	Pnt.push_back(p);
+-			p.x = q.x-ss;	p.y = q.y-ss;	Pnt.push_back(p);
 -			p.x = q.x+ss;	p.y = q.y-ss;	Pnt.push_back(p);	line_draw(pos,pos+1,d);
 -			p.x = q.x+ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(pos+1,pos+2,d);
 -			p.x = q.x-ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(pos+2,pos+3,d);
 -			line_draw(pos+3,pos,d);	qos+=4;
-+			p.x = q.x+ss;	p.y = q.y-ss;	Pnt.push_back(p);	line_draw(0,1,d);
-+			p.x = q.x+ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(1,2,d);
-+			p.x = q.x-ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(2,3,d);
-+			line_draw(3,0,d);	qos+=4;
++            p0.x = q.x-ss;  p0.y = q.y-ss;  p1.x = q.x+ss;  p1.y = q.y-ss;
++            p2.x = q.x+ss;  p2.y = q.y+ss;  p3.x = q.x-ss;  p3.y = q.y+ss;
++            line_draw(p0,p1,d); line_draw(p1,p2,d);
++            line_draw(p2,p3,d); line_draw(p3,p0,d);
  		case 'x':
- 			p.x = q.x-ss;	p.y = q.y-ss;	Pnt.push_back(p);
- 			p.x = q.x+ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(qos,qos+1,d);
-@@ -884,7 +886,7 @@ void mglCanvas::mark_draw(long k, char t
- 			p.x = q.x-ss;	p.y = q.y+ss;	Pnt.push_back(p);
- 			p.x= q.x+ss;	p.y= q.y+ss;	Pnt.push_back(p);
- 			p.x = q.x+ss;	p.y = q.y-ss;	Pnt.push_back(p);
+-			p.x = q.x-ss;	p.y = q.y-ss;	Pnt.push_back(p);
+-			p.x = q.x+ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(qos,qos+1,d);
+-			p.x = q.x+ss;	p.y = q.y-ss;	Pnt.push_back(p);
+-			p.x = q.x-ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(qos+2,qos+3,d);
++            p0.x = q.x-ss;  p0.y = q.y-ss;  p1.x = q.x+ss;  p1.y = q.y+ss;  line_draw(p0,p1,d);
++            p2.x = q.x+ss;  p2.y = q.y-ss;  p3.x = q.x-ss;  p3.y = q.y+ss;  line_draw(p2,p3,d);
+ 			break;
+ 		case 'S':
+-			p.x = q.x-ss;	p.y = q.y-ss;	Pnt.push_back(p);
+-			p.x = q.x-ss;	p.y = q.y+ss;	Pnt.push_back(p);
+-			p.x= q.x+ss;	p.y= q.y+ss;	Pnt.push_back(p);
+-			p.x = q.x+ss;	p.y = q.y-ss;	Pnt.push_back(p);
 -			quad_draw(pos,pos+1,pos+3,pos+2,d);	qos+=4;
-+			quad_draw(0,1,3,2,d);	qos+=4;
++            p0.x = q.x-ss;  p0.y = q.y-ss;  p1.x = q.x-ss;  p1.y = q.y+ss;
++            p2.x= q.x+ss;   p2.y= q.y+ss;   p3.x = q.x+ss;  p3.y = q.y-ss;
++            quad_draw(p0,p1,p3,p2,d);
  		case 's':
- 			p.x = q.x-ss;	p.y = q.y-ss;	Pnt.push_back(p);
- 			p.x = q.x+ss;	p.y = q.y-ss;	Pnt.push_back(p);	line_draw(qos,qos+1,d);
-@@ -896,7 +898,7 @@ void mglCanvas::mark_draw(long k, char t
- 			p.x = q.x+ss;	p.y = q.y;		Pnt.push_back(p);
- 			p.x= q.x;	p.y= q.y+ss;		Pnt.push_back(p);
- 			p.x = q.x-ss;	p.y = q.y;		Pnt.push_back(p);
+-			p.x = q.x-ss;	p.y = q.y-ss;	Pnt.push_back(p);
+-			p.x = q.x+ss;	p.y = q.y-ss;	Pnt.push_back(p);	line_draw(qos,qos+1,d);
+-			p.x = q.x+ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(qos+1,qos+2,d);
+-			p.x = q.x-ss;	p.y = q.y+ss;	Pnt.push_back(p);	line_draw(qos+2,qos+3,d);
+-			line_draw(qos+3,qos,d);	break;
++            p0.x = q.x-ss;  p0.y = q.y-ss;  p1.x = q.x+ss;  p1.y = q.y-ss;
++            p2.x = q.x+ss;  p2.y = q.y+ss;  p3.x = q.x-ss;  p3.y = q.y+ss;
++            line_draw(p0,p1,d); line_draw(p1,p2,d);
++            line_draw(p2,p3,d); line_draw(p3,p0,d);
++            break;
+ 		case 'D':
+-			p.x = q.x;	p.y = q.y-ss;		Pnt.push_back(p);
+-			p.x = q.x+ss;	p.y = q.y;		Pnt.push_back(p);
+-			p.x= q.x;	p.y= q.y+ss;		Pnt.push_back(p);
+-			p.x = q.x-ss;	p.y = q.y;		Pnt.push_back(p);
 -			quad_draw(pos,pos+1,pos+3,pos+2,d);	qos+=4;
-+			quad_draw(0,1,3,2,d);	qos+=4;
++            p0.x = q.x; p0.y = q.y-ss;  p1.x = q.x+ss;  p1.y = q.y;
++            p2.x= q.x;  p2.y= q.y+ss;   p3.x = q.x-ss;  p3.y = q.y;
++            quad_draw(p0,p1,p3,p2,d);
  		case 'd':
- 			p.x = q.x;	p.y = q.y-ss;		Pnt.push_back(p);
- 			p.x = q.x+ss;	p.y = q.y;		Pnt.push_back(p);	line_draw(qos,qos+1,d);
-@@ -905,23 +907,23 @@ void mglCanvas::mark_draw(long k, char t
- 			line_draw(qos+3,qos,d);	break;
+-			p.x = q.x;	p.y = q.y-ss;		Pnt.push_back(p);
+-			p.x = q.x+ss;	p.y = q.y;		Pnt.push_back(p);	line_draw(qos,qos+1,d);
+-			p.x = q.x;	p.y = q.y+ss;		Pnt.push_back(p);	line_draw(qos+1,qos+2,d);
+-			p.x = q.x-ss;	p.y = q.y;		Pnt.push_back(p);	line_draw(qos+2,qos+3,d);
+-			line_draw(qos+3,qos,d);	break;
++            p0.x = q.x; p0.y = q.y-ss;  p1.x = q.x+ss;  p1.y = q.y;
++            p2.x = q.x; p2.y = q.y+ss;  p3.x = q.x-ss;  p3.y = q.y;
++            line_draw(p0,p1,d); line_draw(p1,p2,d);
++            line_draw(p2,p3,d); line_draw(p3,p0,d);
++            break;
  		case 'Y':
- 			p.x = q.x;	p.y = q.y;			Pnt.push_back(p);
+-			p.x = q.x;	p.y = q.y;			Pnt.push_back(p);
 -			p.x = q.x;	p.y = q.y-ss;		Pnt.push_back(p);	line_draw(pos,pos+1,d);
 -			p.x = q.x-0.8*ss;	p.y = q.y+0.6*ss;	Pnt.push_back(p);	line_draw(pos,pos+2,d);
 -			p.x = q.x+0.8*ss;	p.y = q.y+0.6*ss;	Pnt.push_back(p);	line_draw(pos,pos+3,d);
-+			p.x = q.x;	p.y = q.y-ss;		Pnt.push_back(p);	line_draw(0,1,d);
-+			p.x = q.x-0.8*ss;	p.y = q.y+0.6*ss;	Pnt.push_back(p);	line_draw(0,2,d);
-+			p.x = q.x+0.8*ss;	p.y = q.y+0.6*ss;	Pnt.push_back(p);	line_draw(0,3,d);
++            p1.x = q.x; p1.y = q.y-ss;  line_draw(q,p1,d);
++            p2.x = q.x-0.8*ss;  p2.y = q.y+0.6*ss;  line_draw(q,p2,d);
++            p3.x = q.x+0.8*ss;  p3.y = q.y+0.6*ss;  line_draw(q,p3,d);
  			break;
  		case '*':
- 			p.x = q.x-ss;		p.y = q.y;	Pnt.push_back(p);
+-			p.x = q.x-ss;		p.y = q.y;	Pnt.push_back(p);
 -			p.x = q.x+ss;		p.y = q.y;	Pnt.push_back(p);	line_draw(pos,pos+1,d);
-+			p.x = q.x+ss;		p.y = q.y;	Pnt.push_back(p);	line_draw(0,1,d);
- 			p.x = q.x-0.6*ss;	p.y = q.y-0.8*ss;	Pnt.push_back(p);
+-			p.x = q.x-0.6*ss;	p.y = q.y-0.8*ss;	Pnt.push_back(p);
 -			p.x = q.x+0.6*ss;	p.y = q.y+0.8*ss;	Pnt.push_back(p);	line_draw(pos+2,pos+3,d);
-+			p.x = q.x+0.6*ss;	p.y = q.y+0.8*ss;	Pnt.push_back(p);	line_draw(2,3,d);
- 			p.x = q.x-0.6*ss;	p.y = q.y+0.8*ss;	Pnt.push_back(p);
+-			p.x = q.x-0.6*ss;	p.y = q.y+0.8*ss;	Pnt.push_back(p);
 -			p.x = q.x+0.6*ss;	p.y = q.y-0.8*ss;	Pnt.push_back(p);	line_draw(pos+4,pos+5,d);
-+			p.x = q.x+0.6*ss;	p.y = q.y-0.8*ss;	Pnt.push_back(p);	line_draw(4,5,d);
++            p0.x = q.x-ss;      p0.y = q.y;
++            p1.x = q.x+ss;      p1.y = q.y; line_draw(p0,p1,d);
++            p0.x = q.x-0.6*ss;  p0.y = q.y-0.8*ss;
++            p1.x = q.x+0.6*ss;  p1.y = q.y+0.8*ss;  line_draw(p0,p1,d);
++            p0.x = q.x-0.6*ss;  p0.y = q.y+0.8*ss;
++            p1.x = q.x+0.6*ss;  p1.y = q.y-0.8*ss;  line_draw(p0,p1,d);
  			break;
  		case 'T':
- 			p.x = q.x-ss;	p.y = q.y-ss/2;	Pnt.push_back(p);
- 			p.x = q.x+ss;	p.y = q.y-ss/2;	Pnt.push_back(p);
- 			p.x= q.x;		p.y= q.y+ss;	Pnt.push_back(p);
+-			p.x = q.x-ss;	p.y = q.y-ss/2;	Pnt.push_back(p);
+-			p.x = q.x+ss;	p.y = q.y-ss/2;	Pnt.push_back(p);
+-			p.x= q.x;		p.y= q.y+ss;	Pnt.push_back(p);
 -			trig_draw(pos,pos+1,pos+2,false,d);	qos+=3;
-+			trig_draw(0,1,2,false,d);	qos+=3;
++            p0.x = q.x-ss;  p0.y = q.y-ss/2;
++            p1.x = q.x+ss;  p1.y = q.y-ss/2;
++            p2.x= q.x;      p2.y= q.y+ss;
++            trig_draw(p0,p1,p2,false,d);
  		case '^':
- 			p.x = q.x-ss;	p.y = q.y-ss/2;	Pnt.push_back(p);
- 			p.x = q.x+ss;	p.y = q.y-ss/2;	Pnt.push_back(p);	line_draw(qos,qos+1,d);
-@@ -931,7 +933,7 @@ void mglCanvas::mark_draw(long k, char t
- 			p.x = q.x-ss;	p.y = q.y+ss/2;	Pnt.push_back(p);
- 			p.x = q.x+ss;	p.y = q.y+ss/2;	Pnt.push_back(p);
- 			p.x= q.x;		p.y= q.y-ss;	Pnt.push_back(p);
+-			p.x = q.x-ss;	p.y = q.y-ss/2;	Pnt.push_back(p);
+-			p.x = q.x+ss;	p.y = q.y-ss/2;	Pnt.push_back(p);	line_draw(qos,qos+1,d);
+-			p.x= q.x;		p.y= q.y+ss;	Pnt.push_back(p);	line_draw(qos+1,qos+2,d);
+-			line_draw(qos+2,qos,d);		break;
++            p0.x = q.x-ss;  p0.y = q.y-ss/2;
++            p1.x = q.x+ss;  p1.y = q.y-ss/2;
++            p2.x= q.x;      p2.y= q.y+ss;
++            line_draw(p0,p1,d); line_draw(p1,p2,d);
++            line_draw(p2,p0,d); break;
+ 		case 'V':
+-			p.x = q.x-ss;	p.y = q.y+ss/2;	Pnt.push_back(p);
+-			p.x = q.x+ss;	p.y = q.y+ss/2;	Pnt.push_back(p);
+-			p.x= q.x;		p.y= q.y-ss;	Pnt.push_back(p);
 -			trig_draw(pos,pos+1,pos+2,false,d);	qos+=3;
-+			trig_draw(0,1,2,false,d);	qos+=3;
++            p0.x = q.x-ss;  p0.y = q.y+ss/2;
++            p1.x = q.x+ss;  p1.y = q.y+ss/2;
++            p2.x= q.x;      p2.y= q.y-ss;
++            trig_draw(p0,p1,p2,false,d);
  		case 'v':
- 			p.x = q.x-ss;	p.y = q.y+ss/2;	Pnt.push_back(p);
- 			p.x = q.x+ss;	p.y = q.y+ss/2;	Pnt.push_back(p);	line_draw(qos,qos+1,d);
-@@ -941,7 +943,7 @@ void mglCanvas::mark_draw(long k, char t
- 			p.x = q.x+ss/2;	p.y = q.y+ss;	Pnt.push_back(p);
- 			p.x = q.x+ss/2;	p.y = q.y-ss;	Pnt.push_back(p);
- 			p.x= q.x-ss;	p.y= q.y;		Pnt.push_back(p);
+-			p.x = q.x-ss;	p.y = q.y+ss/2;	Pnt.push_back(p);
+-			p.x = q.x+ss;	p.y = q.y+ss/2;	Pnt.push_back(p);	line_draw(qos,qos+1,d);
+-			p.x= q.x;		p.y= q.y-ss;	Pnt.push_back(p);	line_draw(qos+1,qos+2,d);
+-			line_draw(qos+2,qos,d);		break;
++            p0.x = q.x-ss;  p0.y = q.y+ss/2;
++            p1.x = q.x+ss;  p1.y = q.y+ss/2;
++            p2.x= q.x;      p2.y= q.y-ss;
++            line_draw(p0,p1,d); line_draw(p1,p2,d);
++            line_draw(p2,p0,d); break;
+ 		case 'L':
+-			p.x = q.x+ss/2;	p.y = q.y+ss;	Pnt.push_back(p);
+-			p.x = q.x+ss/2;	p.y = q.y-ss;	Pnt.push_back(p);
+-			p.x= q.x-ss;	p.y= q.y;		Pnt.push_back(p);
 -			trig_draw(pos,pos+1,pos+2,false,d);	qos+=3;
-+			trig_draw(0,1,2,false,d);	qos+=3;
++            p0.x = q.x+ss/2;    p0.y = q.y+ss;
++            p1.x = q.x+ss/2;    p1.y = q.y-ss;
++            p2.x= q.x-ss;       p2.y= q.y;
++            trig_draw(p0,p1,p2,false,d);
  		case '<':
- 			p.x = q.x+ss/2;	p.y = q.y+ss;	Pnt.push_back(p);
- 			p.x = q.x+ss/2;	p.y = q.y-ss;	Pnt.push_back(p);	line_draw(qos,qos+1,d);
-@@ -951,7 +953,7 @@ void mglCanvas::mark_draw(long k, char t
- 			p.x = q.x-ss/2;	p.y = q.y+ss;	Pnt.push_back(p);
- 			p.x = q.x-ss/2;	p.y = q.y-ss;	Pnt.push_back(p);
- 			p.x= q.x+ss;	p.y= q.y;		Pnt.push_back(p);
+-			p.x = q.x+ss/2;	p.y = q.y+ss;	Pnt.push_back(p);
+-			p.x = q.x+ss/2;	p.y = q.y-ss;	Pnt.push_back(p);	line_draw(qos,qos+1,d);
+-			p.x= q.x-ss;	p.y= q.y;		Pnt.push_back(p);	line_draw(qos+1,qos+2,d);
+-			line_draw(qos+2,qos,d);		break;
++            p0.x = q.x+ss/2;    p0.y = q.y+ss;
++            p1.x = q.x+ss/2;    p1.y = q.y-ss;
++            p2.x= q.x-ss;       p2.y= q.y;
++            line_draw(p0,p1,d); line_draw(p1,p2,d);
++            line_draw(p2,p0,d); break;
+ 		case 'R':
+-			p.x = q.x-ss/2;	p.y = q.y+ss;	Pnt.push_back(p);
+-			p.x = q.x-ss/2;	p.y = q.y-ss;	Pnt.push_back(p);
+-			p.x= q.x+ss;	p.y= q.y;		Pnt.push_back(p);
 -			trig_draw(pos,pos+1,pos+2,false,d);	qos+=3;
-+			trig_draw(0,1,2,false,d);	qos+=3;
++            p0.x = q.x-ss/2;    p0.y = q.y+ss;
++            p1.x = q.x-ss/2;    p1.y = q.y-ss;
++            p2.x= q.x+ss;       p2.y= q.y;
++            trig_draw(p0,p1,p2,false,d);
  		case '>':
- 			p.x = q.x-ss/2;	p.y = q.y+ss;	Pnt.push_back(p);
- 			p.x = q.x-ss/2;	p.y = q.y-ss;	Pnt.push_back(p);	line_draw(qos,qos+1,d);
-@@ -968,19 +970,18 @@ void mglCanvas::mark_draw(long k, char t
+-			p.x = q.x-ss/2;	p.y = q.y+ss;	Pnt.push_back(p);
+-			p.x = q.x-ss/2;	p.y = q.y-ss;	Pnt.push_back(p);	line_draw(qos,qos+1,d);
+-			p.x= q.x+ss;	p.y= q.y;		Pnt.push_back(p);	line_draw(qos+1,qos+2,d);
+-			line_draw(qos+2,qos,d);		break;
++            p0.x = q.x-ss/2;    p0.y = q.y+ss;
++            p1.x = q.x-ss/2;    p1.y = q.y-ss;
++            p2.x= q.x+ss;       p2.y= q.y;
++            line_draw(p0,p1,d); line_draw(p1,p2,d);
++            line_draw(p2,p0,d); break;
+ 		case 'O':
+ 			for(j=long(-ss);j<=long(ss);j++)	for(i=long(-ss);i<=long(ss);i++)
+ 			{
+@@ -967,24 +950,20 @@ void mglCanvas::mark_draw(long k, char t
+ 		case 'o':
  			for(i=0;i<=20;i++)
  			{
- 				p.x = q.x+ss*cos(i*M_PI/10);	p.y = q.y+ss*sin(i*M_PI/10);	Pnt.push_back(p);
+-				p.x = q.x+ss*cos(i*M_PI/10);	p.y = q.y+ss*sin(i*M_PI/10);	Pnt.push_back(p);
 -				if(i>0)	line_draw(pos+i-1,pos+i,d);
-+				if(i>0)	line_draw(i-1,i,d);
++                p0 = p1;    p1.x = q.x+ss*cos(i*M_PI/10);   p1.y = q.y+ss*sin(i*M_PI/10);
++                if(i>0) line_draw(p0,p1,d);
  			}
  			break;
  		case 'C':
 -			pnt_draw(k,d);
++			pnt_draw(q,d);
  			for(i=0;i<=20;i++)
  			{
- 				p.x = q.x+ss*cos(i*M_PI/10);	p.y = q.y+ss*sin(i*M_PI/10);	Pnt.push_back(p);
+-				p.x = q.x+ss*cos(i*M_PI/10);	p.y = q.y+ss*sin(i*M_PI/10);	Pnt.push_back(p);
 -				if(i>0)	line_draw(pos+i-1,pos+i,d);
-+				if(i>0)	line_draw(i-1,i,d);
++                p0 = p1;    p1.x = q.x+ss*cos(i*M_PI/10);   p1.y = q.y+ss*sin(i*M_PI/10);
++                if(i>0) line_draw(p0,p1,d);
  			}
  			break;
  		}
 -		Pnt.erase(Pnt.begin()+pos,Pnt.end());
-+		Pnt = pnt;
  	}
+-#if MGL_HAVE_PTHREAD
+-	pthread_mutex_unlock(&mutexPnt);
+-#endif
+ }
+ //-----------------------------------------------------------------------------
+ // scale direction for new view/zoom
+@@ -1009,31 +988,31 @@ float mglCanvas::GetGlyphPhi(const mglPn
+ 	return phi;
+ }
+ //-----------------------------------------------------------------------------
+-void mglCanvas::glyph_draw(const mglPrim *P, mglDrawReg *d)
++void mglCanvas::glyph_draw(const mglPrim &P, mglDrawReg *d)
+ {
+-	float phi = GetGlyphPhi(Pnt[P->n2],P->w);
++	float phi = GetGlyphPhi(Pnt[P.n2],P.w);
+ 	if(mgl_isnan(phi))	return;
+ 
+-	mglPnt p=Pnt[P->n1];
+-	mreal pf=sqrt((Bp.b[0]*Bp.b[0]+Bp.b[1]*Bp.b[1]+Bp.b[3]*Bp.b[3]+Bp.b[4]*Bp.b[4])/2), f = P->p*pf;
++    mglPnt p=Pnt[P.n1];
++    mreal pf=sqrt((Bp.b[0]*Bp.b[0]+Bp.b[1]*Bp.b[1]+Bp.b[3]*Bp.b[3]+Bp.b[4]*Bp.b[4])/2), f = P.p*pf;
  #if MGL_HAVE_PTHREAD
- 	pthread_mutex_unlock(&mutexPnt);
-@@ -1045,7 +1046,8 @@ void mglCanvas::glyph_draw(const mglPrim
+ 	pthread_mutex_lock(&mutexPnt);
+ #endif
+ 	Push();		B.clear();
+-	B.b[0] = B.b[4] = B.b[8] = P->s;
++	B.b[0] = B.b[4] = B.b[8] = P.s;
+ 	RotateN(phi,0,0,1);
+ 	B.x=p.x;	B.y=p.y;	B.z=p.z;	B.pf = 1;
+ 	p.u *= pf;	p.v *= pf;
+ 
+-	const mglGlyph &g = Glf[P->n4];
+-	if(P->n3&8)
++    const mglGlyph &g = Glf[P.n4];
++    if(P.n3&8)
+ 	{
+-		if(!(P->n3&4))	glyph_line(p,f,true, d);
++		if(!(P.n3&4))   glyph_line(p,f,true, d);
+ 		glyph_line(p,f,false, d);
+ 	}
+ 	else
+ 	{
+-		if(!(P->n3&4))	glyph_fill(p,f,g, d);
++		if(!(P.n3&4))   glyph_fill(p,f,g, d);
+ 		glyph_wire(p,f,g, d);
+ 	}
+ 	Pop();
+@@ -1045,27 +1024,27 @@ void mglCanvas::glyph_draw(const mglPrim
  void mglCanvas::glyph_fill(const mglPnt &pp, mreal f, const mglGlyph &g, mglDrawReg *d)
  {
  	if(!g.trig || g.nt<=0)	return;
 -	long ik,ii,pos=Pnt.size();
-+	std::vector<mglPnt> pnt = Pnt;	Pnt.clear();
-+	long ik,ii,jj=0;
- 	mglPnt p=pp;	p.u=p.v=NAN;
- 	mglPoint p1,p2,p3;
+-	mglPnt p=pp;	p.u=p.v=NAN;
+-	mglPoint p1,p2,p3;
++    long ik,ii;
++    mglPnt q0=pp, q1=pp, q2=pp;
++    q0.u=q0.v=q1.u=q1.v=q2.u=q2.v=NAN;
++    mglPoint p1,p2,p3;
  	for(ik=0;ik<g.nt;ik++)
-@@ -1056,15 +1058,16 @@ void mglCanvas::glyph_fill(const mglPnt
- 		p.x = p1.x;	p.y = p1.y;	p.z = p1.z;	Pnt.push_back(p);
- 		p.x = p2.x;	p.y = p2.y;	p.z = p2.z;	Pnt.push_back(p);
- 		p.x = p3.x;	p.y = p3.y;	p.z = p3.z;	Pnt.push_back(p);
+ 	{
+ 		ii = 6*ik;	p1 = mglPoint(f*g.trig[ii]+pp.u,f*g.trig[ii+1]+pp.v,0);	PostScale(p1);
+ 		ii+=2;		p2 = mglPoint(f*g.trig[ii]+pp.u,f*g.trig[ii+1]+pp.v,0);	PostScale(p2);
+ 		ii+=2;		p3 = mglPoint(f*g.trig[ii]+pp.u,f*g.trig[ii+1]+pp.v,0);	PostScale(p3);
+-		p.x = p1.x;	p.y = p1.y;	p.z = p1.z;	Pnt.push_back(p);
+-		p.x = p2.x;	p.y = p2.y;	p.z = p2.z;	Pnt.push_back(p);
+-		p.x = p3.x;	p.y = p3.y;	p.z = p3.z;	Pnt.push_back(p);
 -		ii = Pnt.size()-3;	trig_draw(ii,ii+1,ii+2,false,d);
-+		trig_draw(jj,jj+1,jj+2,false,d);	jj+=3;
++        q0.x = p1.x;    q0.y = p1.y;    q0.z = p1.z;
++        q1.x = p2.x;    q1.y = p2.y;    q1.z = p2.z;
++        q2.x = p3.x;    q2.y = p3.y;    q2.z = p3.z;
++        trig_draw(q0,q1,q2,false,d);
  	}
 -	Pnt.erase(Pnt.begin()+pos,Pnt.end());
-+	Pnt = pnt;
  }
  //-----------------------------------------------------------------------------
  void mglCanvas::glyph_wire(const mglPnt &pp, mreal f, const mglGlyph &g, mglDrawReg *d)
  {
  	if(!g.line || g.nl<=0)	return;
 -	long ik,ii,il=0,pos=Pnt.size();
-+	long ik,ii,il=0,jj=0;
-+	std::vector<mglPnt> pnt = Pnt;	Pnt.clear();
- 	mglPnt p=pp;	p.u=p.v=NAN;
+-	mglPnt p=pp;	p.u=p.v=NAN;
++    long ik,ii,il=0;
++    mglPnt q0=pp, q1=pp;    q0.u=q0.v=q1.u=q1.v=NAN;
  	if(d)	{	d->PDef = 0xffff;	d->PenWidth=0.75;	}
  	mglPoint p1,p2;
-@@ -1086,9 +1089,9 @@ void mglCanvas::glyph_wire(const mglPnt
+ 	for(ik=0;ik<g.nl;ik++)
+@@ -1084,19 +1063,18 @@ void mglCanvas::glyph_wire(const mglPnt
+ 			p2 = mglPoint(f*g.line[ii]+pp.u,f*g.line[ii+1]+pp.v,0);
+ 		}
  		PostScale(p1);	PostScale(p2);
- 		p.x = p1.x;	p.y = p1.y;	p.z = p1.z;	Pnt.push_back(p);
- 		p.x = p2.x;	p.y = p2.y;	p.z = p2.z;	Pnt.push_back(p);
+-		p.x = p1.x;	p.y = p1.y;	p.z = p1.z;	Pnt.push_back(p);
+-		p.x = p2.x;	p.y = p2.y;	p.z = p2.z;	Pnt.push_back(p);
 -		ii = Pnt.size()-2;	line_draw(ii,ii+1,d);
-+		line_draw(jj,jj+1,d);	jj+=2;
++        q0.x = p1.x;    q0.y = p1.y;    q0.z = p1.z;
++        q1.x = p2.x;    q1.y = p2.y;    q1.z = p2.z;
++        line_draw(q0,q1,d);
  	}
 -	Pnt.erase(Pnt.begin()+pos,Pnt.end());
-+	Pnt = pnt;
  }
  //-----------------------------------------------------------------------------
  void mglCanvas::glyph_line(const mglPnt &pp, mreal f, bool solid, mglDrawReg *d)
-@@ -1096,7 +1099,7 @@ void mglCanvas::glyph_line(const mglPnt
- 	mglPnt p=pp;	p.u=p.v=NAN;
+ {
+-	mglPnt p=pp;	p.u=p.v=NAN;
++    mglPnt q0=pp,q1=pp,q2=pp,q3=pp;
++    q0.u=q0.v=q1.u=q1.v=q2.u=q2.v=q3.u=q3.v=NAN;
  	if(d)	{	d->PDef = 0xffff;	d->PenWidth=1;	}
  	mglPoint p1,p2,p3,p4;
 -	long pos=Pnt.size();
-+	std::vector<mglPnt> pnt = Pnt;	Pnt.clear();
  
  	mreal dy = 0.004;
  	p1 = mglPoint(pp.u,pp.v-dy,0);	PostScale(p1);
-@@ -1109,13 +1112,13 @@ void mglCanvas::glyph_line(const mglPnt
- 	p.x = p3.x;	p.y = p3.y;	p.z = p3.z;	Pnt.push_back(p);
- 	p.x = p4.x;	p.y = p4.y;	p.z = p4.z;	Pnt.push_back(p);
+@@ -1104,18 +1082,17 @@ void mglCanvas::glyph_line(const mglPnt
+ 	p3 = mglPoint(fabs(f)+pp.u,pp.v+dy,0);	PostScale(p3);
+ 	p4 = mglPoint(fabs(f)+pp.u,pp.v-dy,0);	PostScale(p4);
+ 
+-	p.x = p1.x;	p.y = p1.y;	p.z = p1.z;	Pnt.push_back(p);
+-	p.x = p2.x;	p.y = p2.y;	p.z = p2.z;	Pnt.push_back(p);
+-	p.x = p3.x;	p.y = p3.y;	p.z = p3.z;	Pnt.push_back(p);
+-	p.x = p4.x;	p.y = p4.y;	p.z = p4.z;	Pnt.push_back(p);
++    q0.x = p1.x;    q0.y = p1.y;    q0.z = p1.z;
++    q1.x = p2.x;    q1.y = p2.y;    q1.z = p2.z;
++    q2.x = p3.x;    q2.y = p3.y;    q2.z = p3.z;
++    q3.x = p4.x;    q3.y = p4.y;    q3.z = p4.z;
  
 -	if(solid)	quad_draw(pos,pos+1,pos+3,pos+2,d);
-+	if(solid)	quad_draw(0,1,3,2,d);
++	if(solid)   quad_draw(q0,q1,q3,q2,d);
  	else
  	{
 -		line_draw(pos,pos+1,d);	line_draw(pos+2,pos+1,d);
 -		line_draw(pos,pos+3,d);	line_draw(pos+2,pos+3,d);
-+		line_draw(0,1,d);	line_draw(2,1,d);
-+		line_draw(0,3,d);	line_draw(2,3,d);
++        line_draw(q0,q1,d); line_draw(q2,q1,d);
++        line_draw(q0,q3,d); line_draw(q2,q3,d);
  	}
 -	Pnt.erase(Pnt.begin()+pos,Pnt.end());
-+	Pnt = pnt;
  }
  //-----------------------------------------------------------------------------
  long mglCanvas::setPp(mglPnt &q, const mglPoint &p)
+@@ -1127,7 +1104,6 @@ long mglCanvas::setPp(mglPnt &q, const m
+ //-----------------------------------------------------------------------------
+ void mglCanvas::arrow_draw(long n1, long n2, char st, float ll)
+ {
+-	if(n1<0 || n2<0 || !strchr("AVKSDTIO",st))	return;
+ 	const mglPnt &p1=Pnt[n1], &p2=Pnt[n2];
+ 	mglPnt q=p1; 	//q.u=q.v=q.w=0;
+ 	
+@@ -1178,7 +1154,6 @@ void mglCanvas::arrow_draw(long n1, long
+ //-----------------------------------------------------------------------------
+ void mglCanvas::arrow_plot_3d(long n1, long n2, char st, float ll)
+ {
+-	if(n1<0 || n2<0 || !strchr("AVKSDTIO",st))	return;
+ 	const mglPnt &p1=Pnt[n1], &p2=Pnt[n2];
+ 	mglPnt q=p1; 	//q.u=q.v=q.w=0;
+ 	
diff --git a/mathgl.spec b/mathgl.spec
index c468a1c..dd29da5 100644
--- a/mathgl.spec
+++ b/mathgl.spec
@@ -1,6 +1,6 @@
 Name:          mathgl
 Version:       2.1.2
-Release:       6%{?dist}
+Release:       7%{?dist}
 Summary:       Cross-platform library for making high-quality scientific graphics
 Summary(de):   Plattformübergreifende Bibliothek für hochwertige wissenschaftliche Graphiken
 Summary(ru):   Библиотека для осуществления высококачественной визуализации данных
@@ -29,7 +29,7 @@ Patch4:        mathgl-2.1.2-udav_desktop.patch
 # Install binaries for generation examples of illustrations
 Patch5:        mathgl-2.1.2-examples.patch
 
-# Fix for pics generation segfaults
+# Fix for pics generation segfaults (from upstream)
 Patch6:        mathgl-2.1.2-stlerror.patch
 
 BuildRoot:     %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
@@ -339,6 +339,9 @@ rm -rf %{buildroot}
 %{_includedir}/mpich2-%{_arch}/mgl2/
 
 %changelog
+* Thu Apr 23 2013 Dmitrij S. Kryzhevich <krege at land.ru> - 2.1.2-7
+- Modify patch to fix pics generation.
+
 * Mon Apr 22 2013 Dmitrij S. Kryzhevich <krege at land.ru> - 2.1.2-6
 - Add patch to fix pics generation.
 


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