void GraphicsWindow::Selection::Draw(void) {
Vector refp = Vector::From(0, 0, 0);
if(entity.v) {
Entity *e = SK.GetEntity(entity);
e->Draw();
if(emphasized) refp = e->GetReferencePos();
}
if(constraint.v) {
Constraint *c = SK.GetConstraint(constraint);
c->Draw();
if(emphasized) refp = c->GetReferencePos();
}
if(emphasized && (constraint.v || entity.v)) {
// We want to emphasize this constraint or entity, by drawing a thick
// line from the top left corner of the screen to the reference point
// of that entity or constraint.
double s = 0.501/SS.GW.scale;
Vector topLeft = SS.GW.projRight.ScaledBy(-SS.GW.width*s);
topLeft = topLeft.Plus(SS.GW.projUp.ScaledBy(SS.GW.height*s));
topLeft = topLeft.Minus(SS.GW.offset);
glLineWidth(40);
RgbColor rgb = Style::Color(Style::HOVERED);
glColor4d(rgb.redF(), rgb.greenF(), rgb.blueF(), 0.2);
glBegin(GL_LINES);
ssglVertex3v(topLeft);
ssglVertex3v(refp);
glEnd();
glLineWidth(1);
}
}
void DoBlendMode(PIXEL_HELPER_CLASS* p_helper) {
unsigned long currentMillis = millis();
if (currentMillis - p_helper->previousMillis > BlendModeSettings.Interval) {
p_helper->previousMillis = currentMillis;
// Step Progress and control direction on Min and max
BlendModeSettings.Progress = BlendModeSettings.Progress + BlendModeSettings.Direction;
if (BlendModeSettings.Progress > 254) {
BlendModeSettings.Direction = -1;
}
if (BlendModeSettings.Progress < 1) {
BlendModeSettings.Direction = 1;
}
RgbColor rgb;
rgb = rgb.LinearBlend(BlendModeSettings.RGB1, BlendModeSettings.RGB2, BlendModeSettings.Progress);
p_helper->SetAll(rgb);
p_helper->strip.Show();
}
}
//------------------------------------------------------------------------------
// static std::string ToRgbString(const UnsignedInt &intColor)
//------------------------------------------------------------------------------
std::string RgbColor::ToRgbString(const UnsignedInt &intColor)
{
char buffer[20];
RgbColor color = RgbColor(intColor);
sprintf(buffer, "[%d %d %d]", color.Red(), color.Green(), color.Blue());
return std::string(buffer);
}
//-----------------------------------------------------------------------------
// If a color is almost white, then we can rewrite it to black, just so that
// it won't disappear on file formats with a light background.
//-----------------------------------------------------------------------------
RgbColor Style::RewriteColor(RgbColor rgbin) {
Vector rgb = Vector::From(rgbin.redF(), rgbin.greenF(), rgbin.blueF());
rgb = rgb.Minus(Vector::From(1, 1, 1));
if(rgb.Magnitude() < 0.4 && SS.fixExportColors) {
// This is an almost-white color in a default style, which is
// good for the default on-screen view (black bg) but probably
// not desired in the exported files, which typically are shown
// against white backgrounds.
return RGBi(0, 0, 0);
} else {
return rgbin;
}
}
//--------------------------------------------------------------------
void SurfaceMesh::Render (Structure* structure) const
// Draw the mesh in opengl
{
float white[4] = {255.0f, 255.0f, 255.0f, 1.0f};
RgbColor color = structure->Color;
ZMaterial* mat = structure->FindMaterial (TheMaterial);
bool havetexture = false;
if (mat != 0)
{
color = mat->Color;
if (mat->GlTextureId != -1)
{
// As long as have a texture id, we bind it and enable textures
GLint params = -13;
glBindTexture(GL_TEXTURE_2D, mat->GlTextureId);
glGetIntegerv(GL_TEXTURE_BINDING_2D, ¶ms);
glEnable(GL_TEXTURE_2D);
glColor4fv(white); // This is mixed with texture, best if all 255.0F
havetexture = true;
}
if (mat->Shininess > 0)
{
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, mat->Shininess);
}
}
if (!havetexture)
{
// No texture, set color
float rgba[4];
rgba[0] = color.Red()/255.0f;
rgba[1] = color.Green()/255.0f;
rgba[2] = color.Blue()/255.0f;
rgba[3] = 1;
glDisable(GL_TEXTURE_2D);
glColor4fv(rgba);
}
glBegin(GL_TRIANGLES);
for (Integer j=0; j<=FacesSize-1; ++j)
{
ZFace& face (Faces[j]);
glEnable(GL_NORMALIZE); // added (LOJ: 2012.07.11)
for (Integer k=0; k<=3-1; ++k)
{
glNormal3fv(GetVectorWrt(face.NormalIndex[k],false).V);
glTexCoord2fv(face.TextureCoord[k].V);
glVertex3fv(GetVectorWrt(face.VertexIndex[k],false).V);
}
}
glEnd();
}
void TextWindow::ShowListOfStyles(void) {
Printf(true, "%Ft color style-name");
bool darkbg = false;
Style *s;
for(s = SK.style.First(); s; s = SK.style.NextAfter(s)) {
Printf(false, "%Bp %Bz %Bp %Fl%Ll%f%D%s%E",
darkbg ? 'd' : 'a',
&s->color,
darkbg ? 'd' : 'a',
ScreenShowStyleInfo, s->h.v,
s->DescriptionString());
darkbg = !darkbg;
}
Printf(true, " %Fl%Ll%fcreate a new custom style%E",
&ScreenCreateCustomStyle);
Printf(false, "");
RgbColor rgb = SS.backgroundColor;
Printf(false, "%Ft background color (r, g, b)%E");
Printf(false, "%Ba %@, %@, %@ %Fl%D%f%Ll[change]%E",
rgb.redF(), rgb.greenF(), rgb.blueF(),
top[rows-1] + 2, &ScreenChangeBackgroundColor);
Printf(false, "");
Printf(false, "%Ft background bitmap image%E");
if(SS.bgImage.fromFile) {
Printf(false, "%Ba %Ftwidth:%E %dpx %Ftheight:%E %dpx",
SS.bgImage.w, SS.bgImage.h);
Printf(false, " %Ftscale:%E %# px/%s %Fl%Ll%f%D[change]%E",
SS.bgImage.scale*SS.MmPerUnit(),
SS.UnitName(),
&ScreenChangeBackgroundImageScale, top[rows-1] + 2);
Printf(false, "%Ba %Fl%Lc%fclear background image%E",
&ScreenBackgroundImage);
} else {
Printf(false, "%Ba none - %Fl%Ll%fload background image%E",
&ScreenBackgroundImage);
Printf(false, " (bottom left will be center of view)");
}
Printf(false, "");
Printf(false, " %Fl%Ll%fload factory defaults%E",
&ScreenLoadFactoryDefaultStyles);
}
//--------------------------------------------------------------------
void Structure::WriteSummary (std::ostream& s, const Integer level) const
// Write a breigf summary of the object
{
std::string indent = std::string (level*2,' ');
RgbColor c = Color;
s << indent << "Structure " + Name+ ", Color = (" <<
RgbColor::ToRgbString (c.GetIntColor()) << ")" << std::endl;
s << indent << "Appendage count = " <<
GmatStringUtil::ToString (Appendages.Size(),true,4) << std::endl;
for (Integer ix=0; ix<=Appendages.Size()-1; ++ix)
Appendages[ix]->WriteSummary (s,level+1);
s << indent << "Material count = " <<
GmatStringUtil::ToString (Materials.Size(),true,4) << std::endl;
for (Integer im=0; im<=Materials.Size()-1; ++im)
Materials[im]->WriteSummary (s,level+1);
s << indent << "End Structure" << std::endl;
}
//------------------------------------------------------------------------------
// void ShowSpacePointColor(const wxString &name, UnsignedInt color = GmatColor::RED)
//------------------------------------------------------------------------------
void GroundTrackPlotPanel::ShowSpacePointColor(const wxString &name, UnsignedInt color)
{
#ifdef DEBUG_PANEL_COLOR
MessageInterface::ShowMessage
("OrbitViewPanel::ShowSpacePointColor() name='%s'\n", name.c_str());
#endif
if (!name.IsSameAs(""))
{
std::string selObjName = name.c_str();
// if object name not found, insert
if (mOrbitColorMap.find(selObjName) == mOrbitColorMap.end())
{
#ifdef DEBUG_PANEL_COLOR
MessageInterface::ShowMessage
("ShowSpacePointColor() name not found, so adding it to color map\n");
#endif
mOrbitColorMap[selObjName] = RgbColor(color);
mTargetColorMap[selObjName] = RgbColor(GmatColor::ORANGE);
}
RgbColor orbColor = mOrbitColorMap[selObjName];
RgbColor targColor = mTargetColorMap[selObjName];
#ifdef DEBUG_PANEL_COLOR
MessageInterface::ShowMessage
("OrbitViewPanel::ShowSpacePointColor() orbColor=%u, targColor=%u\n",
orbColor.GetIntColor(), targColor.GetIntColor());
#endif
mOrbitColor.Set(orbColor.Red(), orbColor.Green(), orbColor.Blue());
mTargetColor.Set(targColor.Red(), targColor.Green(), targColor.Blue());
mOrbitColorCtrl->SetColour(mOrbitColor);
mTargetColorCtrl->SetColour(mTargetColor);
}
}
//------------------------------------------------------------------------------
// void OnCheckBoxChange(wxCommandEvent& event)
//------------------------------------------------------------------------------
void GmatColorPanel::OnCheckBoxChange(wxCommandEvent& event)
{
mHasOverrideColorChanged = true;
mOverrideOrbitColor = mOverrideOrbitColorCheckBox->GetValue();
if (mOverrideOrbitColor)
{
mOrbitColorLabel->Enable(true);
mOrbitColorCtrl->Enable(true);
}
else
{
// Show original orbit color
RgbColor rgbOrbitColor = RgbColor(mDefaultOrbitColor);
mOrbitColor.Set(rgbOrbitColor.Red(), rgbOrbitColor.Green(), rgbOrbitColor.Blue());
mOrbitColorCtrl->SetColour(mOrbitColor);
mOrbitIntColor = rgbOrbitColor.GetIntColor();
mOrbitColorLabel->Enable(false);
mOrbitColorCtrl->Enable(false);
}
theParentGmatPanel->EnableUpdate(true);
}
void PdfFileWriter::StartPath(RgbColor strokeRgb, double lineWidth,
bool filled, RgbColor fillRgb)
{
fprintf(f, "1 J 1 j " // round endcaps and joins
"%.3f w "
"%.3f %.3f %.3f RG\r\n",
MmToPts(lineWidth),
strokeRgb.redF(), strokeRgb.greenF(), strokeRgb.blueF());
if(filled) {
fprintf(f, "%.3f %.3f %.3f rg\r\n",
fillRgb.redF(), fillRgb.greenF(), fillRgb.blueF());
}
prevPt = Vector::From(VERY_POSITIVE, VERY_POSITIVE, VERY_POSITIVE);
}
void EpsFileWriter::FinishPath(RgbColor strokeRgb, double lineWidth,
bool filled, RgbColor fillRgb)
{
fprintf(f, " %.3f setlinewidth\r\n"
" %.3f %.3f %.3f setrgbcolor\r\n"
" 1 setlinejoin\r\n" // rounded
" 1 setlinecap\r\n" // rounded
" gsave stroke grestore\r\n",
MmToPts(lineWidth),
strokeRgb.redF(), strokeRgb.greenF(), strokeRgb.blueF());
if(filled) {
fprintf(f, " %.3f %.3f %.3f setrgbcolor\r\n"
" gsave fill grestore\r\n",
fillRgb.redF(), fillRgb.greenF(), fillRgb.blueF());
}
}
//------------------------------------------------------------------------------
// void OnColorPickerChange(wxColourPickerEvent& event)
//------------------------------------------------------------------------------
void GmatColorPanel::OnColorPickerChange(wxColourPickerEvent& event)
{
#ifdef DEBUG_COLOR_CHANGE
MessageInterface::ShowMessage("GmatColorPanel::OnColorPickerChange() entered\n");
#endif
if (event.GetEventObject() == mOrbitColorCtrl)
{
wxColour wxcolor = mOrbitColorCtrl->GetColour();
RgbColor rgbColor = RgbColor(wxcolor.Red(), wxcolor.Green(), wxcolor.Blue());
if (mUseInputObjectColor)
{
mOrbitIntColor = rgbColor.GetIntColor();
}
else
{
std::string colorStr = RgbColor::ToRgbString(rgbColor.GetIntColor());
theClonedSpacePoint->
SetStringParameter(theClonedSpacePoint->GetParameterID("OrbitColor"), colorStr);
}
}
else if (event.GetEventObject() == mTargetColorCtrl)
{
wxColour wxcolor = mTargetColorCtrl->GetColour();
RgbColor rgbColor = RgbColor(wxcolor.Red(), wxcolor.Green(), wxcolor.Blue());
if (mUseInputObjectColor)
{
mTargetIntColor = rgbColor.GetIntColor();
}
else
{
std::string colorStr = RgbColor::ToRgbString(rgbColor.GetIntColor());
theClonedSpacePoint->
SetStringParameter(theClonedSpacePoint->GetParameterID("TargetColor"), colorStr);
}
}
mHasColorChanged = true;
theParentGmatPanel->EnableUpdate(true);
#ifdef DEBUG_COLOR_CHANGE
MessageInterface::ShowMessage("GmatColorPanel::OnColorPickerChange() leaving\n");
#endif
}
//------------------------------------------------------------------------------
UnsignedInt RgbColor::ToIntColor(const std::string &colorString)
{
#ifdef DEBUG_INT_COLOR
MessageInterface::ShowMessage
("RgbColor::ToIntColor() entered, colorString = '%s'\n", colorString.c_str());
#endif
// First figure out if input is a color name
ColorDatabase *colorDb = ColorDatabase::Instance();
UnsignedInt intColor;
if (!GmatStringUtil::StartsWith(colorString, "[") &&
!GmatStringUtil::EndsWith(colorString, "]"))
{
if (colorDb->HasColor(colorString))
{
intColor = colorDb->GetIntColor(colorString);
#ifdef DEBUG_INT_COLOR
MessageInterface::ShowMessage("RgbColor::ToIntColor() returning %06X\n", intColor);
#endif
return intColor;
}
else
{
UtilityException ue;
ue.SetDetails("The color \"%s\" not found in the color database. "
"Available colors are \"%s\"", colorString.c_str(),
colorDb->GetAllColorNames().c_str());
throw ue;
}
}
// It is rgb tuples
UnsignedIntArray intArray = GmatStringUtil::ToUnsignedIntArray(colorString);
Byte rgb[3];
bool error = false;
if (intArray.size() != 3)
{
error = true;
}
else
{
for (UnsignedInt i = 0; i < intArray.size(); i++)
{
if (intArray[i] < 0 || intArray[i] > 255)
{
error = true;
break;
}
else
{
rgb[i] = intArray[i];
}
}
}
if (error)
{
UtilityException ue;
ue.SetDetails("\"%s\" has invalid RGB color values. Valid color value is "
"triplet Integer number between 0 and 255 inside of [ ]",
colorString.c_str());
throw ue;
}
else
{
RgbColor color = RgbColor(rgb[0], rgb[1], rgb[2]);
intColor = color.GetIntColor();
#ifdef DEBUG_INT_COLOR
MessageInterface::ShowMessage("RgbColor::ToIntColor() returning %06X\n", intColor);
#endif
return intColor;
}
}
void setPixel(uint16_t x, uint16_t y, RgbColor color) {
setPixel(x, y, color.red(), color.green(), color.blue());
}
//------------------------------------------------------------------------------
// void LoadData()
//------------------------------------------------------------------------------
void GmatColorPanel::LoadData()
{
#ifdef DEBUG_PANEL_LOAD
MessageInterface::ShowMessage("GmatColorPanel::LoadData() entered.\n");
#endif
try
{
if (mUseInputObjectColor)
{
// Load colors from the input object name
SpacePoint *sp = (SpacePoint*)
((theParentGmatPanel->GetGuiInterpreter())->GetConfiguredObject(mSpacePointName));
if (sp)
{
mOrbitIntColor = sp->GetCurrentOrbitColor();
mTargetIntColor = sp->GetCurrentTargetColor();
}
}
else
{
// Load colors from the spacecraft
mOrbitIntColor = theClonedSpacePoint->GetCurrentOrbitColor();
mTargetIntColor = theClonedSpacePoint->GetCurrentTargetColor();
}
mDefaultOrbitColor = mOrbitIntColor;
if (mOverrideOrbitColor)
mOrbitIntColor = mOverrdingColor;
RgbColor rgbOrbitColor = RgbColor(mOrbitIntColor);
RgbColor rgbTargetColor = RgbColor(mTargetIntColor);
#ifdef DEBUG_PANEL_LOAD
MessageInterface::ShowMessage(" rgbOrbitColor = %06X\n", rgbOrbitColor.GetIntColor());
MessageInterface::ShowMessage(" rgbTargetColor = %06X\n", rgbTargetColor.GetIntColor());
#endif
mOrbitColor.Set(rgbOrbitColor.Red(), rgbOrbitColor.Green(), rgbOrbitColor.Blue());
mOrbitColorCtrl->SetColour(mOrbitColor);
mTargetColor.Set(rgbTargetColor.Red(), rgbTargetColor.Green(), rgbTargetColor.Blue());
mTargetColorCtrl->SetColour(mTargetColor);
// If showing only orbit color, hide target color
if (mShowOrbitColorOnly)
{
mTargetColorLabel->Hide();
mTargetColorCtrl->Hide();
}
// Set value to overrding color CheckBox
if (mOverrideOrbitColor)
mOverrideOrbitColorCheckBox->SetValue(true);
else
mOverrideOrbitColorCheckBox->SetValue(false);
// If not showing override color check box, hide it
if (!mShowOverrideOrbitColorCheckBox)
mOverrideOrbitColorCheckBox->Hide();
else
{
// If not overriding orbit color, disable it
if (!mOverrideOrbitColor)
{
mOrbitColorLabel->Disable();
mOrbitColorCtrl->Disable();
}
}
Layout();
}
catch (BaseException &e)
{
MessageInterface::PopupMessage(Gmat::ERROR_, e.GetFullMessage().c_str());
}
#ifdef DEBUG_PANEL_LOAD
MessageInterface::ShowMessage("GmatColorPanel::LoadData() leaving\n");
#endif
}
void fill(uint16_t x, uint16_t y, uint16_t width, uint16_t height, RgbColor color) {
fill(x, y, width, height, color.red(), color.green(), color.blue());
}
void ssglColorRGBa(RgbColor rgb, double a)
{
if(!ColorLocked) glColor4d(rgb.redF(), rgb.greenF(), rgb.blueF(), a);
}
void CnfFreezeColor(RgbColor v, const char *name)
{ CnfFreezeInt(v.ToPackedInt(), name); }
void GraphicsWindow::Paint(void) {
int i;
havePainted = true;
int w, h;
GetGraphicsWindowSize(&w, &h);
width = w; height = h;
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glScaled(scale*2.0/w, scale*2.0/h, scale*1.0/30000);
double mat[16];
// Last thing before display is to apply the perspective
double clp = SS.CameraTangent()*scale;
MakeMatrix(mat, 1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, clp, 1);
glMultMatrixd(mat);
// Before that, we apply the rotation
Vector n = projUp.Cross(projRight);
MakeMatrix(mat, projRight.x, projRight.y, projRight.z, 0,
projUp.x, projUp.y, projUp.z, 0,
n.x, n.y, n.z, 0,
0, 0, 0, 1);
glMultMatrixd(mat);
// And before that, the translation
MakeMatrix(mat, 1, 0, 0, offset.x,
0, 1, 0, offset.y,
0, 0, 1, offset.z,
0, 0, 0, 1);
glMultMatrixd(mat);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glShadeModel(GL_SMOOTH);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glEnable(GL_LINE_SMOOTH);
// don't enable GL_POLYGON_SMOOTH; that looks ugly on some graphics cards,
// drawn with leaks in the mesh
glEnable(GL_POLYGON_OFFSET_LINE);
glEnable(GL_POLYGON_OFFSET_FILL);
glEnable(GL_DEPTH_TEST);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
glEnable(GL_NORMALIZE);
// At the same depth, we want later lines drawn over earlier.
glDepthFunc(GL_LEQUAL);
if(SS.AllGroupsOkay()) {
glClearColor(SS.backgroundColor.redF(),
SS.backgroundColor.greenF(),
SS.backgroundColor.blueF(), 1.0f);
} else {
// Draw a different background whenever we're having solve problems.
RgbColor rgb = Style::Color(Style::DRAW_ERROR);
glClearColor(0.4f*rgb.redF(), 0.4f*rgb.greenF(), 0.4f*rgb.blueF(), 1.0f);
// And show the text window, which has info to debug it
ForceTextWindowShown();
}
glClear(GL_COLOR_BUFFER_BIT);
glClearDepth(1.0);
glClear(GL_DEPTH_BUFFER_BIT);
if(SS.bgImage.fromFile) {
// If a background image is loaded, then we draw it now as a texture.
// This handles the resizing for us nicely.
glBindTexture(GL_TEXTURE_2D, TEXTURE_BACKGROUND_IMG);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
SS.bgImage.rw, SS.bgImage.rh,
0,
GL_RGB, GL_UNSIGNED_BYTE,
SS.bgImage.fromFile);
double tw = ((double)SS.bgImage.w) / SS.bgImage.rw,
th = ((double)SS.bgImage.h) / SS.bgImage.rh;
double mmw = SS.bgImage.w / SS.bgImage.scale,
mmh = SS.bgImage.h / SS.bgImage.scale;
Vector origin = SS.bgImage.origin;
origin = origin.DotInToCsys(projRight, projUp, n);
// Place the depth of our origin at the point that corresponds to
// w = 1, so that it's unaffected by perspective.
origin.z = (offset.ScaledBy(-1)).Dot(n);
origin = origin.ScaleOutOfCsys(projRight, projUp, n);
// Place the background at the very back of the Z order, though, by
// mucking with the depth range.
glDepthRange(1, 1);
glEnable(GL_TEXTURE_2D);
glBegin(GL_QUADS);
glTexCoord2d(0, 0);
ssglVertex3v(origin);
glTexCoord2d(0, th);
ssglVertex3v(origin.Plus(projUp.ScaledBy(mmh)));
glTexCoord2d(tw, th);
ssglVertex3v(origin.Plus(projRight.ScaledBy(mmw).Plus(
projUp. ScaledBy(mmh))));
glTexCoord2d(tw, 0);
ssglVertex3v(origin.Plus(projRight.ScaledBy(mmw)));
glEnd();
glDisable(GL_TEXTURE_2D);
}
ssglDepthRangeOffset(0);
// Nasty case when we're reloading the imported files; could be that
// we get an error, so a dialog pops up, and a message loop starts, and
// we have to get called to paint ourselves. If the sketch is screwed
// up, then we could trigger an oops trying to draw.
if(!SS.allConsistent) return;
// Let's use two lights, at the user-specified locations
GLfloat f;
glEnable(GL_LIGHT0);
f = (GLfloat)SS.lightIntensity[0];
GLfloat li0[] = { f, f, f, 1.0f };
glLightfv(GL_LIGHT0, GL_DIFFUSE, li0);
glLightfv(GL_LIGHT0, GL_SPECULAR, li0);
glEnable(GL_LIGHT1);
f = (GLfloat)SS.lightIntensity[1];
GLfloat li1[] = { f, f, f, 1.0f };
glLightfv(GL_LIGHT1, GL_DIFFUSE, li1);
glLightfv(GL_LIGHT1, GL_SPECULAR, li1);
Vector ld;
ld = VectorFromProjs(SS.lightDir[0]);
GLfloat ld0[4] = { (GLfloat)ld.x, (GLfloat)ld.y, (GLfloat)ld.z, 0 };
glLightfv(GL_LIGHT0, GL_POSITION, ld0);
ld = VectorFromProjs(SS.lightDir[1]);
GLfloat ld1[4] = { (GLfloat)ld.x, (GLfloat)ld.y, (GLfloat)ld.z, 0 };
glLightfv(GL_LIGHT1, GL_POSITION, ld1);
if(SS.drawBackFaces) {
// For debugging, draw the backs of the triangles in red, so that we
// notice when a shell is open
glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, 1);
} else {
glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, 0);
}
GLfloat ambient[4] = { (float)SS.ambientIntensity,
(float)SS.ambientIntensity,
(float)SS.ambientIntensity, 1 };
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
ssglUnlockColor();
if(showSnapGrid && LockedInWorkplane()) {
hEntity he = ActiveWorkplane();
EntityBase *wrkpl = SK.GetEntity(he),
*norm = wrkpl->Normal();
Vector wu, wv, wn, wp;
wp = SK.GetEntity(wrkpl->point[0])->PointGetNum();
wu = norm->NormalU();
wv = norm->NormalV();
wn = norm->NormalN();
double g = SS.gridSpacing;
double umin = VERY_POSITIVE, umax = VERY_NEGATIVE,
vmin = VERY_POSITIVE, vmax = VERY_NEGATIVE;
int a;
for(a = 0; a < 4; a++) {
// Ideally, we would just do +/- half the width and height; but
// allow some extra slop for rounding.
Vector horiz = projRight.ScaledBy((0.6*width)/scale + 2*g),
vert = projUp. ScaledBy((0.6*height)/scale + 2*g);
if(a == 2 || a == 3) horiz = horiz.ScaledBy(-1);
if(a == 1 || a == 3) vert = vert. ScaledBy(-1);
Vector tp = horiz.Plus(vert).Minus(offset);
// Project the point into our grid plane, normal to the screen
// (not to the grid plane). If the plane is on edge then this is
// impossible so don't try to draw the grid.
bool parallel;
Vector tpp = Vector::AtIntersectionOfPlaneAndLine(
wn, wn.Dot(wp),
tp, tp.Plus(n),
¶llel);
if(parallel) goto nogrid;
tpp = tpp.Minus(wp);
double uu = tpp.Dot(wu),
vv = tpp.Dot(wv);
umin = min(uu, umin);
umax = max(uu, umax);
vmin = min(vv, vmin);
vmax = max(vv, vmax);
}
int i, j, i0, i1, j0, j1;
i0 = (int)(umin / g);
i1 = (int)(umax / g);
j0 = (int)(vmin / g);
j1 = (int)(vmax / g);
if(i0 > i1 || i1 - i0 > 400) goto nogrid;
if(j0 > j1 || j1 - j0 > 400) goto nogrid;
glLineWidth(1);
ssglColorRGBa(Style::Color(Style::DATUM), 0.3);
glBegin(GL_LINES);
for(i = i0 + 1; i < i1; i++) {
ssglVertex3v(wp.Plus(wu.ScaledBy(i*g)).Plus(wv.ScaledBy(j0*g)));
ssglVertex3v(wp.Plus(wu.ScaledBy(i*g)).Plus(wv.ScaledBy(j1*g)));
}
for(j = j0 + 1; j < j1; j++) {
ssglVertex3v(wp.Plus(wu.ScaledBy(i0*g)).Plus(wv.ScaledBy(j*g)));
ssglVertex3v(wp.Plus(wu.ScaledBy(i1*g)).Plus(wv.ScaledBy(j*g)));
}
glEnd();
// Clear the depth buffer, so that the grid is at the very back of
// the Z order.
glClear(GL_DEPTH_BUFFER_BIT);
nogrid:;
}
// Draw the active group; this does stuff like the mesh and edges.
(SK.GetGroup(activeGroup))->Draw();
// Now draw the entities
if(showHdnLines) glDisable(GL_DEPTH_TEST);
Entity::DrawAll();
// Draw filled paths in all groups, when those filled paths were requested
// specially by assigning a style with a fill color, or when the filled
// paths are just being filled by default. This should go last, to make
// the transparency work.
Group *g;
for(g = SK.group.First(); g; g = SK.group.NextAfter(g)) {
if(!(g->IsVisible())) continue;
g->DrawFilledPaths();
}
glDisable(GL_DEPTH_TEST);
// Draw the constraints
for(i = 0; i < SK.constraint.n; i++) {
SK.constraint.elem[i].Draw();
}
// Draw the traced path, if one exists
glLineWidth(Style::Width(Style::ANALYZE));
ssglColorRGB(Style::Color(Style::ANALYZE));
SContour *sc = &(SS.traced.path);
glBegin(GL_LINE_STRIP);
for(i = 0; i < sc->l.n; i++) {
ssglVertex3v(sc->l.elem[i].p);
}
glEnd();
// And the naked edges, if the user did Analyze -> Show Naked Edges.
glLineWidth(Style::Width(Style::DRAW_ERROR));
ssglColorRGB(Style::Color(Style::DRAW_ERROR));
ssglDrawEdges(&(SS.nakedEdges), true);
// Then redraw whatever the mouse is hovering over, highlighted.
glDisable(GL_DEPTH_TEST);
ssglLockColorTo(Style::Color(Style::HOVERED));
hover.Draw();
// And finally draw the selection, same mechanism.
ssglLockColorTo(Style::Color(Style::SELECTED));
for(Selection *s = selection.First(); s; s = selection.NextAfter(s)) {
s->Draw();
}
ssglUnlockColor();
// If a marquee selection is in progress, then draw the selection
// rectangle, as an outline and a transparent fill.
if(pending.operation == DRAGGING_MARQUEE) {
Point2d begin = ProjectPoint(orig.marqueePoint);
double xmin = min(orig.mouse.x, begin.x),
xmax = max(orig.mouse.x, begin.x),
ymin = min(orig.mouse.y, begin.y),
ymax = max(orig.mouse.y, begin.y);
Vector tl = UnProjectPoint(Point2d::From(xmin, ymin)),
tr = UnProjectPoint(Point2d::From(xmax, ymin)),
br = UnProjectPoint(Point2d::From(xmax, ymax)),
bl = UnProjectPoint(Point2d::From(xmin, ymax));
glLineWidth((GLfloat)1.3);
ssglColorRGB(Style::Color(Style::HOVERED));
glBegin(GL_LINE_LOOP);
ssglVertex3v(tl);
ssglVertex3v(tr);
ssglVertex3v(br);
ssglVertex3v(bl);
glEnd();
ssglColorRGBa(Style::Color(Style::HOVERED), 0.10);
glBegin(GL_QUADS);
ssglVertex3v(tl);
ssglVertex3v(tr);
ssglVertex3v(br);
ssglVertex3v(bl);
glEnd();
}
// An extra line, used to indicate the origin when rotating within the
// plane of the monitor.
if(SS.extraLine.draw) {
glLineWidth(1);
ssglLockColorTo(Style::Color(Style::DATUM));
glBegin(GL_LINES);
ssglVertex3v(SS.extraLine.ptA);
ssglVertex3v(SS.extraLine.ptB);
glEnd();
}
// A note to indicate the origin in the just-exported file.
if(SS.justExportedInfo.draw) {
ssglColorRGB(Style::Color(Style::DATUM));
Vector p = SS.justExportedInfo.pt,
u = SS.justExportedInfo.u,
v = SS.justExportedInfo.v;
glLineWidth(1.5);
glBegin(GL_LINES);
ssglVertex3v(p.Plus(u.WithMagnitude(-15/scale)));
ssglVertex3v(p.Plus(u.WithMagnitude(30/scale)));
ssglVertex3v(p.Plus(v.WithMagnitude(-15/scale)));
ssglVertex3v(p.Plus(v.WithMagnitude(30/scale)));
glEnd();
ssglWriteText("(x, y) = (0, 0) for file just exported",
DEFAULT_TEXT_HEIGHT,
p.Plus(u.ScaledBy(10/scale)).Plus(v.ScaledBy(10/scale)),
u, v, NULL, NULL);
ssglWriteText("press Esc to clear this message",
DEFAULT_TEXT_HEIGHT,
p.Plus(u.ScaledBy(40/scale)).Plus(
v.ScaledBy(-(DEFAULT_TEXT_HEIGHT)/scale)),
u, v, NULL, NULL);
}
// And finally the toolbar.
if(SS.showToolbar) {
ToolbarDraw();
}
}
RgbColor CnfThawColor(RgbColor v, const char *name)
{ return RgbColor::FromPackedInt(CnfThawInt(v.ToPackedInt(), name)); }
void ssglLockColorTo(RgbColor rgb)
{
ColorLocked = false;
glColor3d(rgb.redF(), rgb.greenF(), rgb.blueF());
ColorLocked = true;
}