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Finished picking by color with a checksum in the alpha channel

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to guard against unwanted alpha blending and / or multi sampling.
This commit is contained in:
bubnikv 2019-08-07 14:15:38 +02:00
parent 2ad3c05a65
commit 2d7f478dac
10 changed files with 89 additions and 74 deletions
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24
src/slic3r/GUI/Gizmos/GLGizmoBase.hpp
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@ -21,11 +21,11 @@ class ModelObject;
namespace GUI {
static const float DEFAULT_BASE_COLOR[3] = { 0.625f, 0.625f, 0.625f };
static const float DEFAULT_DRAG_COLOR[3] = { 1.0f, 1.0f, 1.0f };
static const float DEFAULT_HIGHLIGHT_COLOR[3] = { 1.0f, 0.38f, 0.0f };
static const float AXES_COLOR[3][3] = { { 0.75f, 0.0f, 0.0f }, { 0.0f, 0.75f, 0.0f }, { 0.0f, 0.0f, 0.75f } };
static const float CONSTRAINED_COLOR[3] = { 0.5f, 0.5f, 0.5f };
static const float DEFAULT_BASE_COLOR[4] = { 0.625f, 0.625f, 0.625f, 1.0f };
static const float DEFAULT_DRAG_COLOR[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
static const float DEFAULT_HIGHLIGHT_COLOR[4] = { 1.0f, 0.38f, 0.0f, 1.0f };
static const float AXES_COLOR[][4] = { { 0.75f, 0.0f, 0.0f, 1.0f }, { 0.0f, 0.75f, 0.0f, 1.0f }, { 0.0f, 0.0f, 0.75f, 1.0f } };
static const float CONSTRAINED_COLOR[4] = { 0.5f, 0.5f, 0.5f, 1.0f };
@ -48,7 +48,7 @@ protected:
Vec3d center;
Vec3d angles;
float color[3];
float color[4];
bool enabled;
bool dragging;
@ -94,9 +94,9 @@ protected:
unsigned int m_sprite_id;
int m_hover_id;
bool m_dragging;
float m_base_color[3];
float m_drag_color[3];
float m_highlight_color[3];
float m_base_color[4];
float m_drag_color[4];
float m_highlight_color[4];
mutable std::vector<Grabber> m_grabbers;
ImGuiWrapper* m_imgui;
@ -166,7 +166,7 @@ protected:
// Returns the picking color for the given id, based on the BASE_ID constant
// No check is made for clashing with other picking color (i.e. GLVolumes)
std::array<float, 3> picking_color_component(unsigned int id) const;
std::array<float, 4> picking_color_component(unsigned int id) const;
void render_grabbers(const BoundingBoxf3& box) const;
void render_grabbers(float size) const;
void render_grabbers_for_picking(const BoundingBoxf3& box) const;
@ -175,6 +175,10 @@ protected:
std::string format(float value, unsigned int decimals) const;
};
// Produce an alpha channel checksum for the red green blue components. The alpha channel may then be used to verify, whether the rgb components
// were not interpolated by alpha blending or multi sampling.
extern unsigned char picking_checksum_alpha_channel(unsigned char red, unsigned char green, unsigned char blue);
} // namespace GUI
} // namespace Slic3r