/*
* Copyright (c) 2006-2007 Hypertriton, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Point in sketch.
*/
#include
#include
#include "sk.h"
#include "sk_gui.h"
SK_Point *
SK_PointNew(void *pnode)
{
SK_Point *pt;
pt = Malloc(sizeof(SK_Point));
SK_PointInit(pt, SK_GenNodeName(SKNODE(pnode)->sk, "Point"));
SK_NodeAttach(pnode, pt);
return (pt);
}
void
SK_PointInit(void *p, Uint name)
{
SK_Point *pt = p;
SK_NodeInit(pt, &skPointOps, name, 0);
pt->size = 3.0;
pt->color = M_ColorRGB(0.0, 0.0, 0.0);
pt->flags = 0;
}
int
SK_PointLoad(SK *sk, void *p, AG_DataSource *buf)
{
SK_Point *pt = p;
pt->size = M_ReadReal(buf);
pt->color = M_ReadColor(buf);
return (0);
}
int
SK_PointSave(SK *sk, void *p, AG_DataSource *buf)
{
SK_Point *pt = p;
M_WriteReal(buf, pt->size);
M_WriteColor(buf, &pt->color);
return (0);
}
void
SK_PointDraw(void *p, SK_View *skv)
{
SK_Point *pt = p;
M_Vector3 v = SK_Pos(pt);
M_Color color;
M_Real i, wPixel,hPixel, size;
color = SK_NodeColor(pt, &pt->color);
wPixel = skv->wPixel;
hPixel = skv->hPixel;
size = pt->size;
/* Render scale-invariant crosshairs */
GL_PushMatrix();
GL_Translatev(&v);
GL_Begin(GL_LINES);
GL_Color3v(&color);
GL_Vertex2(0.0, 0.0); GL_Vertex2(-size*wPixel, 0.0);
GL_Vertex2(0.0, 0.0); GL_Vertex2( size*wPixel, 0.0);
GL_Vertex2(0.0, 0.0); GL_Vertex2(0.0, -size*hPixel);
GL_Vertex2(0.0, 0.0); GL_Vertex2(0.0, +size*hPixel);
GL_End();
if (SKNODE(pt)->flags & SK_NODE_MOUSEOVER) {
GL_Begin(GL_LINE_LOOP);
GL_Color3v(&color);
for (i = 0.0; i < M_PI*2.0; i += (2.0*M_PI)/6.0) {
GL_Vertex2(Cos(i)*wPixel*4.0,
Sin(i)*hPixel*4.0);
}
GL_End();
}
GL_PopMatrix();
}
void
SK_PointSize(SK_Point *pt, M_Real size)
{
pt->size = size;
}
void
SK_PointEdit(void *p, AG_Widget *box, SK_View *skv)
{
SK_Point *pt = p;
const char *unit = skv->sk->uLen->abbr;
// AG_HSVPal *pal;
M_NumericalNewReal(box, 0, unit, _("Size: "), &pt->size);
// pal = AG_HSVPalNew(box, AG_HSVPAL_EXPAND);
// M_BindReal(pal, "RGBAv", (void *)&pt->color);
}
void
SK_PointColor(SK_Point *pt, M_Color c)
{
pt->color = c;
}
M_Real
SK_PointProximity(void *p, const M_Vector3 *v, M_Vector3 *vC)
{
M_Vector3 pv = SK_Pos(p);
M_VecCopy3(vC, &pv);
return M_VecDistance3p(v, &pv);
}
int
SK_PointDelete(void *p)
{
SK_Point *pt = p;
SK *sk = SKNODE(pt)->sk;
int rv;
rv = SK_NodeDel(pt);
SK_Update(sk);
return (rv);
}
int
SK_PointMove(void *p, const M_Vector3 *pos, const M_Vector3 *vel)
{
SK_Translatev(p, vel);
return (1);
}
/* Points in 2D require two constraints. */
SK_Status
SK_PointConstrained(void *p)
{
SK_Point *pt = p;
if (SKNODE(pt)->nEdges == 2) {
return (SK_WELL_CONSTRAINED);
} else if (SKNODE(pt)->nEdges < 2) {
return (SK_UNDER_CONSTRAINED);
} else {
return (SK_OVER_CONSTRAINED);
}
}
SK_NodeOps skPointOps = {
"Point",
sizeof(SK_Point),
0,
SK_PointInit,
NULL, /* destroy */
SK_PointLoad,
SK_PointSave,
SK_PointDraw,
NULL, /* redraw */
SK_PointEdit,
SK_PointProximity,
SK_PointDelete,
SK_PointMove,
SK_PointConstrained
};
#ifdef EDITION
static int
ToolMouseButtonDown(void *_Nonnull pTool, M_Vector3 pos, int btn)
{
SK_Tool *tool = pTool;
SK *sk = tool->skv->sk;
SK_Point *pt;
if (btn != AG_MOUSE_LEFT)
return (0);
pt = Malloc(sizeof(SK_Point));
SK_PointInit(pt, SK_GenNodeName(sk, "Point"));
SK_NodeAttach(sk->root, pt);
M_MatTranslate44(&SKNODE(pt)->T, pos.x, pos.y, 0.0);
SK_Update(sk);
return (0);
}
SK_ToolOps skPointToolOps = {
N_("Point"),
N_("Insert a point into the sketch"),
NULL,
sizeof(SK_Tool),
0,
NULL, /* init */
NULL, /* destroy */
NULL, /* edit */
NULL, /* motion */
ToolMouseButtonDown,
NULL, /* buttonup */
NULL, /* keydown */
NULL /* keyup */
};
#endif /* EDITION */