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viewport and frustum

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fixed viewport and frustum
This commit is contained in:
ganovelli 2017-01-13 13:57:33 +01:00
parent 2079824513
commit f672000458
3 changed files with 36 additions and 15 deletions
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8
src/meshlab_mini.pro
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@ -13,13 +13,17 @@ CONFIG += ordered
SUBDIRS = common \
meshlab \ # the GUI framework
meshlabplugins/io_base\ # a few basic file formats (ply, obj, off), without this you cannot open anything
meshlabplugins/filter_meshing \
meshlabplugins/filter_meshing \
sampleplugins/sample_filtergpu \
plugins_experimental/edit_panosample \
plugins_experimental/edit_CADtexturing \
#
# Next some other useful, but still easy to be compiled, plugins
# Uncomment them if you succeed in compiling the above ones.
# meshlabplugins/decorate_background \
# meshlabplugins/decorate_base \
meshlabplugins/edit_align \
# meshlabplugins/edit_align \
plugins_experimental/edit_panosample \
# meshlabplugins/edit_manipulators \
# meshlabplugins/edit_select \
# meshlabplugins/filter_clean\

42
src/plugins_experimental/edit_CADtexturing/CADtexturingedit.cpp
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@ -65,12 +65,26 @@ void CADtexturingEditPlugin::mouseReleaseEvent(QMouseEvent * event, MeshModel &/
//curVertPtr = 0;
//pIndex = 0;
}
void CADtexturingEditPlugin::renderEdges(GLArea * gla){
int winsize = 512;
int width = winsize;
int height = winsize;
void CADtexturingEditPlugin::ComputeNearFar(const vcg::Shotf & s,float & nearplane, float & farplane )
{
float sx, dx, bt, tp,nr;
s.Intrinsics.GetFrustum(sx, dx, bt, tp, nr);
GLfloat fAspect = fabs((dx - sx) / (tp - bt));
vcg::Box3f b = this->meshmodel->cm.bbox;
vcg::Box3f bb;
for (int i = 0; i < 8; ++i) bb.Add(s.ConvertWorldToCameraCoordinates(b.P(i)));
nearplane = bb.min.Z();
farplane = bb.max.Z();
}
void CADtexturingEditPlugin::renderEdges(GLArea * gla){
//glarea = gla;
if (gla->mvc() == NULL)
return;
@ -78,17 +92,19 @@ void CADtexturingEditPlugin::renderEdges(GLArea * gla){
if (shared == NULL)
return;
vcg::Point2i cp = gla->mvc()->meshDoc.rm()->shot.Intrinsics.ViewportPx;
Context ctx;
ctx.acquire();
RenderbufferHandle hDepth = createRenderbuffer(ctx, GL_DEPTH_COMPONENT24, width, height);
Texture2DHandle hColor = createTexture2D(ctx, GL_RGBA8, width, height, GL_RGBA, GL_UNSIGNED_BYTE);
RenderbufferHandle hDepth = createRenderbuffer(ctx, GL_DEPTH_COMPONENT24, cp[0], cp[1]);
Texture2DHandle hColor = createTexture2D(ctx, GL_RGBA8, cp[0], cp[1], GL_RGBA, GL_UNSIGNED_BYTE);
FramebufferHandle hFramebuffer = createFramebuffer(ctx, renderbufferTarget(hDepth), texture2DTarget(hColor));
GLint vp[4];
glGetIntegerv(GL_VIEWPORT, vp);
glViewport(0, 0, winsize, winsize);
glViewport(0, 0, cp[0], cp[1]);
ctx.bindReadDrawFramebuffer(hFramebuffer);
GLW_CHECK_GL_READ_DRAW_FRAMEBUFFER_STATUS;
@ -98,16 +114,18 @@ void CADtexturingEditPlugin::renderEdges(GLArea * gla){
shared->getRenderInfoPerMeshView(gla->context(), dt);
QImage image(int(width), int(height), QImage::Format_ARGB32);
QImage image(int(cp[0]), int(cp[1]), QImage::Format_ARGB32);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glViewport(0, 0, winsize, winsize);
glViewport(0, 0, cp[0], cp[1]);
glPushMatrix();
/* set camera*/
GlShot<Shotm>::SetView(gla->mvc()->meshDoc.rm()->shot, 1, 10000);
float np, fp;
ComputeNearFar(gla->mvc()->meshDoc.rm()->shot, np, fp);
GlShot<Shotm>::SetView(gla->mvc()->meshDoc.rm()->shot, np,fp);
/**/
@ -143,15 +161,13 @@ void CADtexturingEditPlugin::renderEdges(GLArea * gla){
glDisable(GL_POLYGON_OFFSET_FILL);
drawer.DrawWirePolygonal<vcg::GLW::NormalMode::NMNone, vcg::GLW::ColorMode::CMNone>();
}
}
}
GlShot<Shotm>::UnsetView();
glReadPixels(0, 0, winsize, winsize, GL_RGBA, GL_UNSIGNED_BYTE, image.bits());
glReadPixels(0, 0, cp[0], cp[1], GL_RGBA, GL_UNSIGNED_BYTE, image.bits());
image.rgbSwapped().mirrored().save("edges.jpg");

1
src/plugins_experimental/edit_CADtexturing/CADtexturingedit.h
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@ -49,6 +49,7 @@ public:
void mouseMoveEvent(QMouseEvent *, MeshModel &, GLArea * ) {};
void mouseReleaseEvent(QMouseEvent *event, MeshModel &/*m*/, GLArea * );
void keyReleaseEvent(QKeyEvent *, MeshModel &, GLArea *);
void ComputeNearFar(const vcg::Shotf & s, float & near, float & far);
void renderEdges(GLArea *gla);
vcg::GlTrimesh<CMeshO> drawer;