suzanne.soy/solvespace
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Add export of the mesh as an STL file. That's trivial.

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[git-p4: depot-paths = "//depot/solvespace/": change = 1822]
This commit is contained in:
Jonathan Westhues 2008-07-06 01:24:31 -08:00
parent cad77c9c47
commit b4a9ac993c
4 changed files with 65 additions and 2 deletions
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3
graphicswin.cpp
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@ -16,7 +16,8 @@ const GraphicsWindow::MenuEntry GraphicsWindow::menu[] = {
{ 1, "&Save\tCtrl+S", MNU_SAVE, 'S'|C, mFile },
{ 1, "Save &As...", MNU_SAVE_AS, 0, mFile },
{ 1, NULL, 0, 0, NULL },
{ 1, "&Export Image...", MNU_EXPORT_PNG, 0, mFile },
{ 1, "Export &Image...", MNU_EXPORT_PNG, 0, mFile },
{ 1, "Export &Mesh...", MNU_EXPORT_MESH, 0, mFile },
{ 1, NULL, 0, 0, NULL },
{ 1, "E&xit", MNU_EXIT, 0, mFile },

58
solvespace.cpp
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@ -473,6 +473,57 @@ void SolveSpace::SolveGroup(hGroup hg) {
FreeAllTemporary();
}
void SolveSpace::ExportMeshTo(char *filename) {
SMesh *m = &(SS.GetGroup(SS.GW.activeGroup)->runningMesh);
if(m->l.n == 0) {
Error("Active group mesh is empty; nothing to export.");
return;
}
SKdNode *root = SKdNode::From(m);
root->SnapToMesh(m);
SMesh vvm;
ZERO(&vvm);
root->MakeMeshInto(&vvm);
FILE *f = fopen(filename, "wb");
if(!f) {
Error("Couldn't write to '%s'", filename);
vvm.Clear();
return;
}
char str[80];
memset(str, 0, sizeof(str));
strcpy(str, "STL exported mesh");
fwrite(str, 1, 80, f);
DWORD n = vvm.l.n;
fwrite(&n, 4, 1, f);
int i;
for(i = 0; i < vvm.l.n; i++) {
STriangle *tr = &(vvm.l.elem[i]);
Vector n = tr->Normal().WithMagnitude(1);
float w;
w = (float)n.x; fwrite(&w, 4, 1, f);
w = (float)n.y; fwrite(&w, 4, 1, f);
w = (float)n.z; fwrite(&w, 4, 1, f);
w = (float)tr->a.x; fwrite(&w, 4, 1, f);
w = (float)tr->a.y; fwrite(&w, 4, 1, f);
w = (float)tr->a.z; fwrite(&w, 4, 1, f);
w = (float)tr->b.x; fwrite(&w, 4, 1, f);
w = (float)tr->b.y; fwrite(&w, 4, 1, f);
w = (float)tr->b.z; fwrite(&w, 4, 1, f);
w = (float)tr->c.x; fwrite(&w, 4, 1, f);
w = (float)tr->c.y; fwrite(&w, 4, 1, f);
w = (float)tr->c.z; fwrite(&w, 4, 1, f);
fputc(0, f);
fputc(0, f);
}
vvm.Clear();
fclose(f);
}
void SolveSpace::ExportAsPngTo(char *filename) {
int w = (int)SS.GW.width, h = (int)SS.GW.height;
// No guarantee that the back buffer contains anything valid right now,
@ -641,6 +692,13 @@ void SolveSpace::MenuFile(int id) {
break;
}
case GraphicsWindow::MNU_EXPORT_MESH: {
char exportFile[MAX_PATH] = "";
if(!GetSaveFile(exportFile, STL_EXT, STL_PATTERN)) break;
SS.ExportMeshTo(exportFile);
break;
}
case GraphicsWindow::MNU_EXIT:
if(!SS.OkayToStartNewFile()) break;
SS.Exit();

5
solvespace.h
View File

@ -58,6 +58,8 @@ int SaveFileYesNoCancel(void);
#define SLVS_EXT "slvs"
#define PNG_PATTERN "PNG (*.png)\0*.png\0All Files (*)\0*\0\0"
#define PNG_EXT "png"
#define STL_PATTERN "STL Mesh (*.stl)\0*.stl\0All Files (*)\0*\0\0"
#define STL_EXT "stl"
BOOL GetSaveFile(char *file, char *defExtension, char *selPattern);
BOOL GetOpenFile(char *file, char *defExtension, char *selPattern);
void GetAbsoluteFilename(char *file);
@ -396,8 +398,9 @@ public:
bool LoadFromFile(char *filename);
bool LoadEntitiesFromFile(char *filename, EntityList *le, SMesh *m);
void ReloadAllImported(void);
// And the PNG export too
// And the various export options
void ExportAsPngTo(char *file);
void ExportMeshTo(char *file);
void MarkGroupDirty(hGroup hg);
void MarkGroupDirtyByEntity(hEntity he);

1
ui.h
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@ -148,6 +148,7 @@ public:
MNU_SAVE,
MNU_SAVE_AS,
MNU_EXPORT_PNG,
MNU_EXPORT_MESH,
MNU_EXIT,
// View
MNU_ZOOM_IN,