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add example code
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split the view to have different rendering styles for the same object/scene.
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@LiangliangNan
LiangliangNan committed Jan 31, 2024
1 parent 2641a75 commit c4e00b2
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Showing 4 changed files with 76 additions and 44 deletions.
30 changes: 19 additions & 11 deletions applications/Mapple/paint_canvas.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1878,17 +1878,24 @@ void PaintCanvas::showCoordinatesUnderMouse(bool b) {


void PaintCanvas::draw() {
// To have split views of different rendering styles for the same object/scene.
//glEnable(GL_SCISSOR_TEST);
//int scissor[4];
//glGetIntegerv(GL_SCISSOR_BOX, scissor);
//glScissor(scissor[0], scissor[1], scissor[2] * 0.5f, scissor[3]);
//current_model()->renderer()->get_lines_drawable("edges")->set_visible(false);
//Viewer::draw();
//glScissor(scissor[2] * 0.5f, scissor[1], scissor[2] * 0.5f, scissor[3]);
//current_model()->renderer()->get_lines_drawable("edges")->set_visible(true);
//Viewer::draw();
//glScissor(scissor[0], scissor[1], scissor[2], scissor[3]);
#if 0
// Example code: split the view to have different rendering styles for the same object/scene.
glEnable(GL_SCISSOR_TEST);
int viewport[4];
glGetIntegerv(GL_VIEWPORT, viewport);
glScissor(viewport[0], viewport[1], viewport[2] * 0.5f, viewport[3]);
for (const auto m : models_) {
for (auto d : m->renderer()->triangles_drawables())
d->draw(camera());
}
glScissor(viewport[2] * 0.5f, viewport[1], viewport[2] * 0.5f, viewport[3]);
for (const auto m : models_) {
for (auto d : m->renderer()->lines_drawables())
d->draw(camera());
}
glScissor(viewport[0], viewport[1], viewport[2], viewport[3]);

#else

if (models_.empty())
return;
Expand Down Expand Up @@ -1965,4 +1972,5 @@ void PaintCanvas::draw() {

if (edl())
edl()->end();
#endif
}
30 changes: 19 additions & 11 deletions easy3d/viewer/viewer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1729,17 +1729,24 @@ namespace easy3d {


void Viewer::draw() const {
// To have split views of different rendering styles for the same object/scene.
//glEnable(GL_SCISSOR_TEST);
//int scissor[4];
//glGetIntegerv(GL_SCISSOR_BOX, scissor);
//glScissor(scissor[0], scissor[1], scissor[2] * 0.5f, scissor[3]);
//current_model()->renderer()->get_lines_drawable("edges")->set_visible(false);
//Viewer::draw();
//glScissor(scissor[2] * 0.5f, scissor[1], scissor[2] * 0.5f, scissor[3]);
//current_model()->renderer()->get_lines_drawable("edges")->set_visible(true);
//Viewer::draw();
//glScissor(scissor[0], scissor[1], scissor[2], scissor[3]);
#if 0
// Example code: split the view to have different rendering styles for the same object/scene.
glEnable(GL_SCISSOR_TEST);
int viewport[4];
glGetIntegerv(GL_VIEWPORT, viewport);
glScissor(viewport[0], viewport[1], viewport[2] * 0.5f, viewport[3]);
for (const auto m : models_) {
for (auto d : m->renderer()->triangles_drawables())
d->draw(camera());
}
glScissor(viewport[2] * 0.5f, viewport[1], viewport[2] * 0.5f, viewport[3]);
for (const auto m : models_) {
for (auto d : m->renderer()->lines_drawables())
d->draw(camera());
}
glScissor(viewport[0], viewport[1], viewport[2], viewport[3]);

#else

for (const auto m : models_) {
if (!m->renderer()->is_visible())
Expand Down Expand Up @@ -1786,6 +1793,7 @@ namespace easy3d {
draw_face_labels(current_model(), texter_, 1, vec3(0, 0, 1));
draw_vertex_labels(current_model(), texter_, 1, vec3(0, 1, 0));
}
#endif
#endif
}

Expand Down
30 changes: 19 additions & 11 deletions tutorials/Tutorial_203_Viewer_wxWidgets/viewer.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -789,17 +789,24 @@ namespace easy3d {


void Viewer::draw() const {
// To have split views of different rendering styles for the same object/scene.
//glEnable(GL_SCISSOR_TEST);
//int scissor[4];
//glGetIntegerv(GL_SCISSOR_BOX, scissor);
//glScissor(scissor[0], scissor[1], scissor[2] * 0.5f, scissor[3]);
//current_model()->renderer()->get_lines_drawable("edges")->set_visible(false);
//Viewer::draw();
//glScissor(scissor[2] * 0.5f, scissor[1], scissor[2] * 0.5f, scissor[3]);
//current_model()->renderer()->get_lines_drawable("edges")->set_visible(true);
//Viewer::draw();
//glScissor(scissor[0], scissor[1], scissor[2], scissor[3]);
#if 0
// Example code: split the view to have different rendering styles for the same object/scene.
glEnable(GL_SCISSOR_TEST);
int viewport[4];
glGetIntegerv(GL_VIEWPORT, viewport);
glScissor(viewport[0], viewport[1], viewport[2] * 0.5f, viewport[3]);
for (const auto m : models_) {
for (auto d : m->renderer()->triangles_drawables())
d->draw(camera());
}
glScissor(viewport[2] * 0.5f, viewport[1], viewport[2] * 0.5f, viewport[3]);
for (const auto m : models_) {
for (auto d : m->renderer()->lines_drawables())
d->draw(camera());
}
glScissor(viewport[0], viewport[1], viewport[2], viewport[3]);

#else

for (const auto m : models_) {
if (!m->renderer()->is_visible())
Expand Down Expand Up @@ -837,5 +844,6 @@ namespace easy3d {
if (d->is_visible())
d->draw(camera());
}
#endif
}
}
30 changes: 19 additions & 11 deletions tutorials/Tutorial_204_Viewer_Qt/viewer.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -984,17 +984,24 @@ namespace easy3d {


void Viewer::draw() {
// To have split views of different rendering styles for the same object/scene.
//glEnable(GL_SCISSOR_TEST);
//int scissor[4];
//glGetIntegerv(GL_SCISSOR_BOX, scissor);
//glScissor(scissor[0], scissor[1], scissor[2] * 0.5f, scissor[3]);
//current_model()->renderer()->get_lines_drawable("edges")->set_visible(false);
//Viewer::draw();
//glScissor(scissor[2] * 0.5f, scissor[1], scissor[2] * 0.5f, scissor[3]);
//current_model()->renderer()->get_lines_drawable("edges")->set_visible(true);
//Viewer::draw();
//glScissor(scissor[0], scissor[1], scissor[2], scissor[3]);
#if 0
// Example code: split the view to have different rendering styles for the same object/scene.
glEnable(GL_SCISSOR_TEST);
int viewport[4];
glGetIntegerv(GL_VIEWPORT, viewport);
glScissor(viewport[0], viewport[1], viewport[2] * 0.5f, viewport[3]);
for (const auto m : models_) {
for (auto d : m->renderer()->triangles_drawables())
d->draw(camera());
}
glScissor(viewport[2] * 0.5f, viewport[1], viewport[2] * 0.5f, viewport[3]);
for (const auto m : models_) {
for (auto d : m->renderer()->lines_drawables())
d->draw(camera());
}
glScissor(viewport[0], viewport[1], viewport[2], viewport[3]);

#else

easy3d_debug_log_gl_error

Expand Down Expand Up @@ -1030,6 +1037,7 @@ namespace easy3d {
if (d->is_visible())
d->draw(camera());
}
#endif
}

}

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