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Editor namespace housekeeping, Canvas expansion

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This commit is contained in:
Justin Scofield
2022-07-19 20:21:32 -04:00
parent 86150f82bd
commit 7a795fd75d
7 changed files with 44 additions and 230 deletions
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14
src/gui/canvas.cc
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@@ -91,9 +91,10 @@ void Canvas::Update() {
draw_list->PopClipRect();
}
void Canvas::DrawBackground() {
void Canvas::DrawBackground(ImVec2 canvas_size) {
canvas_p0_ = ImGui::GetCursorScreenPos();
if (!custom_canvas_size_) canvas_sz_ = ImGui::GetContentRegionAvail();
if (canvas_size.x != 0) canvas_sz_ = canvas_size;
canvas_p1_ = ImVec2(canvas_p0_.x + canvas_sz_.x, canvas_p0_.y + canvas_sz_.y);
@@ -150,18 +151,17 @@ void Canvas::UpdateContext() {
}
}
void Canvas::DrawGrid() {
void Canvas::DrawGrid(float grid_step) {
// Draw grid + all lines in the canvas
draw_list_->PushClipRect(canvas_p0_, canvas_p1_, true);
if (enable_grid_) {
const float GRID_STEP = 64.0f;
for (float x = fmodf(scrolling_.x, GRID_STEP); x < canvas_sz_.x;
x += GRID_STEP)
for (float x = fmodf(scrolling_.x, grid_step); x < canvas_sz_.x;
x += grid_step)
draw_list_->AddLine(ImVec2(canvas_p0_.x + x, canvas_p0_.y),
ImVec2(canvas_p0_.x + x, canvas_p1_.y),
IM_COL32(200, 200, 200, 40));
for (float y = fmodf(scrolling_.y, GRID_STEP); y < canvas_sz_.y;
y += GRID_STEP)
for (float y = fmodf(scrolling_.y, grid_step); y < canvas_sz_.y;
y += grid_step)
draw_list_->AddLine(ImVec2(canvas_p0_.x, canvas_p0_.y + y),
ImVec2(canvas_p1_.x, canvas_p0_.y + y),
IM_COL32(200, 200, 200, 40));