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Canvas custom information grid

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This commit is contained in:
scawful
2024-01-10 23:13:49 -05:00
parent 002fb626c4
commit 9ba6af9c4c
2 changed files with 63 additions and 7 deletions
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48
src/app/gui/canvas.cc
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@@ -55,6 +55,14 @@ void Canvas::UpdateEvent(const std::function<void()> &event, ImVec2 bg_size,
DrawOverlay();
}
void Canvas::UpdateInfoGrid(ImVec2 bg_size, int tile_size, float scale,
float grid_size) {
enable_custom_labels_ = true;
DrawBackground(bg_size);
DrawGrid(grid_size);
DrawOverlay();
}
void Canvas::DrawBackground(ImVec2 canvas_size) {
canvas_p0_ = ImGui::GetCursorScreenPos();
if (!custom_canvas_size_) canvas_sz_ = ImGui::GetContentRegionAvail();
@@ -97,6 +105,17 @@ void Canvas::DrawContextMenu() {
scrolling_.x = 0;
scrolling_.y = 0;
}
if (ImGui::BeginMenu("Canvas Properties")) {
ImGui::Text("Canvas Size: %.0f x %.0f", canvas_sz_.x, canvas_sz_.y);
ImGui::Text("Global Scale: %.1f", global_scale_);
ImGui::Text("Mouse Position: %.0f x %.0f", mouse_pos.x, mouse_pos.y);
ImGui::EndMenu();
}
if (ImGui::BeginMenu("Bitmap Properties")) {
ImGui::Text("Bitmap Size: %.0f x %.0f", scaled_sz.x, scaled_sz.y);
ImGui::Text("Bitmap Position: %.0f x %.0f", origin.x, origin.y);
ImGui::EndMenu();
}
ImGui::Separator();
if (ImGui::MenuItem("8x8", nullptr, custom_step_ == 8.0f)) {
custom_step_ = 8.0f;
@@ -110,12 +129,6 @@ void Canvas::DrawContextMenu() {
if (ImGui::MenuItem("64x64", nullptr, custom_step_ == 64.0f)) {
custom_step_ = 64.0f;
}
// Display bitmap metadata such as canvas size and global scale
ImGui::Separator();
ImGui::Text("Canvas Size: %.0f x %.0f", canvas_sz_.x, canvas_sz_.y);
ImGui::Text("Global Scale: %.1f", global_scale_);
ImGui::Text("Mouse Position: %.0f x %.0f", mouse_pos.x, mouse_pos.y);
ImGui::EndPopup();
}
}
@@ -143,7 +156,7 @@ bool Canvas::DrawTilePainter(const Bitmap &bitmap, int size, float scale) {
points_.push_back(painter_pos);
points_.push_back(painter_pos_end);
if (bitmap.IsActive()) {
if (bitmap.is_active()) {
draw_list_->AddImage(
(void *)bitmap.texture(),
ImVec2(origin.x + painter_pos.x, origin.y + painter_pos.y),
@@ -466,6 +479,27 @@ void Canvas::DrawGrid(float grid_step) {
}
}
}
if (enable_custom_labels_) {
// Draw the contents of labels on the grid
for (float x = fmodf(scrolling_.x, grid_step);
x < canvas_sz_.x * global_scale_; x += grid_step) {
for (float y = fmodf(scrolling_.y, grid_step);
y < canvas_sz_.y * global_scale_; y += grid_step) {
int tile_x = (x - scrolling_.x) / grid_step;
int tile_y = (y - scrolling_.y) / grid_step;
int tile_id = tile_x + (tile_y * 8);
if (tile_id >= labels_[current_labels_].size()) {
break;
}
std::string label = labels_[current_labels_][tile_id];
draw_list_->AddText(ImVec2(canvas_p0_.x + x + (grid_step / 2) - 8,
canvas_p0_.y + y + (grid_step / 2) - 8),
IM_COL32(255, 255, 255, 255), label.data());
}
}
}
}
}