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refactor canvas modes

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omigamedev
2019-02-01 22:51:25 +01:00
parent e3f6d1cc44
commit 8e5a8eec1b
12 changed files with 326 additions and 272 deletions
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9
src/canvas.h
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@@ -193,22 +193,23 @@ public:
std::shared_ptr<Brush> m_current_brush;
enum class kCanvasMode { Draw, Erase, Line, Camera, Grid, Transform, Fill, MaskFree, MaskLine, COUNT };
kCanvasMode m_state{ kCanvasMode::Draw };
static std::vector<CanvasMode*> modes[];
std::vector<CanvasMode*>* m_mode = nullptr;
kCanvasMode m_current_mode = kCanvasMode::Draw;
std::function<void(kCanvasMode prev, kCanvasMode mode)> on_mode_changed;
static void set_mode(kCanvasMode mode)
{
auto prev = I->m_current_mode;
if (I->m_mode)
for (auto& m : *I->m_mode)
m->leave();
I->m_mode = &modes[(int)mode];
I->m_state = mode;
I->m_current_mode = mode;
if (I->m_mode)
for (auto& m : *I->m_mode)
m->enter();
m->enter(prev);
if (I->on_mode_changed)
I->on_mode_changed(prev, mode);
}
std::vector<Layer::Snapshot> m_layers_snapshot;