scawful/yaze
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add Canvas::DrawInfoGrid for custom labeled grids

Browse Source
This commit is contained in:
scawful
2024-07-28 11:31:13 -04:00
parent dd3596607d
commit 90ed9e1b86
2 changed files with 39 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
src/app/gui/canvas.cc
View File

@@ -54,10 +54,10 @@ void Canvas::UpdateColorPainter(gfx::Bitmap &bitmap, const ImVec4 &color,
}
void Canvas::UpdateInfoGrid(ImVec2 bg_size, int tile_size, float scale,
float grid_size) {
float grid_size, int label_id) {
enable_custom_labels_ = true;
DrawBackground(bg_size);
DrawGrid(grid_size);
DrawInfoGrid(grid_size, 8, label_id);
DrawOverlay();
}
@@ -637,6 +637,39 @@ void Canvas::DrawGridLines(float grid_step) {
IM_COL32(200, 200, 200, 50), 0.5f);
}
void Canvas::DrawInfoGrid(float grid_step, int tile_id_offset, int label_id) {
// Draw grid + all lines in the canvas
draw_list_->PushClipRect(canvas_p0_, canvas_p1_, true);
if (enable_grid_) {
if (custom_step_ != 0.f) grid_step = custom_step_;
grid_step *= global_scale_; // Apply global scale to grid step
DrawGridLines(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 * tile_id_offset);
if (tile_id >= labels_[label_id].size()) {
break;
}
std::string label = labels_[label_id][tile_id];
draw_list_->AddText(
ImVec2(canvas_p0_.x + x + (grid_step / 2) - tile_id_offset,
canvas_p0_.y + y + (grid_step / 2) - tile_id_offset),
IM_COL32(255, 255, 255, 255), label.data());
}
}
}
}
}
void Canvas::DrawGrid(float grid_step, int tile_id_offset) {
// Draw grid + all lines in the canvas
draw_list_->PushClipRect(canvas_p0_, canvas_p1_, true);

5
src/app/gui/canvas.h
View File

@@ -65,7 +65,7 @@ class Canvas : public SharedRom {
float scale = 1.0f);
void UpdateInfoGrid(ImVec2 bg_size, int tile_size, float scale = 1.0f,
float grid_size = 64.0f);
float grid_size = 64.0f, int label_id = 0);
// Background for the Canvas represents region without any content drawn to
// it, but can be controlled by the user.
@@ -115,6 +115,9 @@ class Canvas : public SharedRom {
void DrawGrid(float grid_step = 64.0f, int tile_id_offset = 8);
void DrawOverlay(); // last
void DrawInfoGrid(float grid_step = 64.0f, int tile_id_offset = 8,
int label_id = 0);
void DrawLayeredElements();
int GetTileIdFromMousePos() {