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cleanup Canvas

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scawful
2024-07-19 10:41:21 -04:00
parent 2ff79816ee
commit aad061ef65
2 changed files with 67 additions and 84 deletions
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150
src/app/gui/canvas.cc
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@@ -13,6 +13,19 @@ namespace yaze {
namespace app {
namespace gui {
using ImGui::BeginMenu;
using ImGui::EndMenu;
using ImGui::GetContentRegionAvail;
using ImGui::GetCursorScreenPos;
using ImGui::GetIO;
using ImGui::GetWindowDrawList;
using ImGui::IsItemActive;
using ImGui::IsItemHovered;
using ImGui::IsMouseClicked;
using ImGui::IsMouseDragging;
using ImGui::MenuItem;
using ImGui::Text;
constexpr uint32_t kRectangleColor = IM_COL32(32, 32, 32, 255);
constexpr uint32_t kRectangleBorder = IM_COL32(255, 255, 255, 255);
constexpr ImGuiButtonFlags kMouseFlags =
@@ -41,22 +54,25 @@ void Canvas::UpdateInfoGrid(ImVec2 bg_size, int tile_size, float scale,
}
void Canvas::DrawBackground(ImVec2 canvas_size, bool can_drag) {
canvas_p0_ = ImGui::GetCursorScreenPos();
if (!custom_canvas_size_) canvas_sz_ = ImGui::GetContentRegionAvail();
draw_list_ = GetWindowDrawList();
canvas_p0_ = GetCursorScreenPos();
if (!custom_canvas_size_) canvas_sz_ = GetContentRegionAvail();
if (canvas_size.x != 0) canvas_sz_ = canvas_size;
canvas_p1_ = ImVec2(canvas_p0_.x + (canvas_sz_.x * global_scale_),
canvas_p0_.y + (canvas_sz_.y * global_scale_));
draw_list_ = ImGui::GetWindowDrawList(); // Draw border and background color
// Draw border and background color
draw_list_->AddRectFilled(canvas_p0_, canvas_p1_, kRectangleColor);
draw_list_->AddRect(canvas_p0_, canvas_p1_, kRectangleBorder);
const ImGuiIO &io = ImGui::GetIO();
auto scaled_sz =
ImVec2(canvas_sz_.x * global_scale_, canvas_sz_.y * global_scale_);
ImGui::InvisibleButton("canvas", scaled_sz, kMouseFlags);
ImGui::InvisibleButton(
"canvas",
ImVec2(canvas_sz_.x * global_scale_, canvas_sz_.y * global_scale_),
kMouseFlags);
if (draggable_ && ImGui::IsItemHovered()) {
const bool is_active = ImGui::IsItemActive(); // Held
if (draggable_ && IsItemHovered()) {
const ImGuiIO &io = GetIO();
const bool is_active = IsItemActive(); // Held
const ImVec2 origin(canvas_p0_.x + scrolling_.x,
canvas_p0_.y + scrolling_.y); // Lock scrolled origin
const ImVec2 mouse_pos(io.MousePos.x - origin.x, io.MousePos.y - origin.y);
@@ -64,8 +80,8 @@ void Canvas::DrawBackground(ImVec2 canvas_size, bool can_drag) {
// Pan (we use a zero mouse threshold when there's no context menu)
if (const float mouse_threshold_for_pan =
enable_context_menu_ ? -1.0f : 0.0f;
is_active && ImGui::IsMouseDragging(ImGuiMouseButton_Right,
mouse_threshold_for_pan)) {
is_active &&
IsMouseDragging(ImGuiMouseButton_Right, mouse_threshold_for_pan)) {
scrolling_.x += io.MouseDelta.x;
scrolling_.y += io.MouseDelta.y;
}
@@ -73,7 +89,7 @@ void Canvas::DrawBackground(ImVec2 canvas_size, bool can_drag) {
}
void Canvas::DrawContextMenu(gfx::Bitmap *bitmap) {
const ImGuiIO &io = ImGui::GetIO();
const ImGuiIO &io = GetIO();
auto scaled_sz =
ImVec2(canvas_sz_.x * global_scale_, canvas_sz_.y * global_scale_);
const ImVec2 origin(canvas_p0_.x + scrolling_.x,
@@ -87,42 +103,40 @@ void Canvas::DrawContextMenu(gfx::Bitmap *bitmap) {
// Contents of the Context Menu
if (ImGui::BeginPopup("context")) {
if (ImGui::MenuItem("Reset Position", nullptr, false)) {
if (MenuItem("Reset Position", nullptr, false)) {
scrolling_.x = 0;
scrolling_.y = 0;
}
ImGui::MenuItem("Show Grid", nullptr, &enable_grid_);
MenuItem("Show Grid", nullptr, &enable_grid_);
ImGui::Selectable("Show Position Labels", &enable_hex_tile_labels_);
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);
if (BeginMenu("Canvas Properties")) {
Text("Canvas Size: %.0f x %.0f", canvas_sz_.x, canvas_sz_.y);
Text("Global Scale: %.1f", global_scale_);
Text("Mouse Position: %.0f x %.0f", mouse_pos.x, mouse_pos.y);
ImGui::EndMenu();
}
if (bitmap != nullptr) {
if (ImGui::BeginMenu("Bitmap Properties")) {
ImGui::Text("Size: %.0f x %.0f", scaled_sz.x, scaled_sz.y);
ImGui::Text("Pitch: %s",
absl::StrFormat("%d", bitmap->surface()->pitch).c_str());
ImGui::Text("BitsPerPixel: %d",
bitmap->surface()->format->BitsPerPixel);
ImGui::Text("BytesPerPixel: %d",
bitmap->surface()->format->BytesPerPixel);
if (BeginMenu("Bitmap Properties")) {
Text("Size: %.0f x %.0f", scaled_sz.x, scaled_sz.y);
Text("Pitch: %s",
absl::StrFormat("%d", bitmap->surface()->pitch).c_str());
Text("BitsPerPixel: %d", bitmap->surface()->format->BitsPerPixel);
Text("BytesPerPixel: %d", bitmap->surface()->format->BytesPerPixel);
ImGui::EndMenu();
}
}
ImGui::Separator();
if (ImGui::BeginMenu("Grid Tile Size")) {
if (ImGui::MenuItem("8x8", nullptr, custom_step_ == 8.0f)) {
if (BeginMenu("Grid Tile Size")) {
if (MenuItem("8x8", nullptr, custom_step_ == 8.0f)) {
custom_step_ = 8.0f;
}
if (ImGui::MenuItem("16x16", nullptr, custom_step_ == 16.0f)) {
if (MenuItem("16x16", nullptr, custom_step_ == 16.0f)) {
custom_step_ = 16.0f;
}
if (ImGui::MenuItem("32x32", nullptr, custom_step_ == 32.0f)) {
if (MenuItem("32x32", nullptr, custom_step_ == 32.0f)) {
custom_step_ = 32.0f;
}
if (ImGui::MenuItem("64x64", nullptr, custom_step_ == 64.0f)) {
if (MenuItem("64x64", nullptr, custom_step_ == 64.0f)) {
custom_step_ = 64.0f;
}
ImGui::EndMenu();
@@ -134,8 +148,8 @@ void Canvas::DrawContextMenu(gfx::Bitmap *bitmap) {
}
bool Canvas::DrawTilePainter(const Bitmap &bitmap, int size, float scale) {
const ImGuiIO &io = ImGui::GetIO();
const bool is_hovered = ImGui::IsItemHovered();
const ImGuiIO &io = GetIO();
const bool is_hovered = IsItemHovered();
is_hovered_ = is_hovered;
// Lock scrolled origin
const ImVec2 origin(canvas_p0_.x + scrolling_.x, canvas_p0_.y + scrolling_.y);
@@ -169,7 +183,7 @@ bool Canvas::DrawTilePainter(const Bitmap &bitmap, int size, float scale) {
origin.y + painter_pos.y + size * scale));
}
if (ImGui::IsMouseClicked(ImGuiMouseButton_Left)) {
if (IsMouseClicked(ImGuiMouseButton_Left)) {
// Draw the currently selected tile on the overworld here
// Save the coordinates of the selected tile.
drawn_tile_pos_ = painter_pos;
@@ -188,8 +202,8 @@ bool Canvas::DrawTilePainter(const Bitmap &bitmap, int size, float scale) {
}
bool Canvas::DrawSolidTilePainter(const ImVec4 &color, int tile_size) {
const ImGuiIO &io = ImGui::GetIO();
const bool is_hovered = ImGui::IsItemHovered();
const ImGuiIO &io = GetIO();
const bool is_hovered = IsItemHovered();
is_hovered_ = is_hovered;
// Lock scrolled origin
const ImVec2 origin(canvas_p0_.x + scrolling_.x, canvas_p0_.y + scrolling_.y);
@@ -218,10 +232,9 @@ bool Canvas::DrawSolidTilePainter(const ImVec4 &color, int tile_size) {
painter_pos.y =
std::clamp(painter_pos.y, 0.0f, canvas_sz_.y * global_scale_);
auto painter_pos_end = ImVec2(painter_pos.x + scaled_tile_size,
painter_pos.y + scaled_tile_size);
points_.push_back(painter_pos);
points_.push_back(painter_pos_end);
points_.push_back(ImVec2(painter_pos.x + scaled_tile_size,
painter_pos.y + scaled_tile_size));
draw_list_->AddRectFilled(
ImVec2(origin.x + painter_pos.x + 1, origin.y + painter_pos.y + 1),
@@ -229,7 +242,7 @@ bool Canvas::DrawSolidTilePainter(const ImVec4 &color, int tile_size) {
origin.y + painter_pos.y + scaled_tile_size),
IM_COL32(color.x * 255, color.y * 255, color.z * 255, 255));
if (ImGui::IsMouseClicked(ImGuiMouseButton_Left)) {
if (IsMouseClicked(ImGuiMouseButton_Left)) {
is_dragging = true;
start_drag_pos = painter_pos;
}
@@ -269,12 +282,12 @@ void Canvas::DrawTileOnBitmap(int tile_size, gfx::Bitmap *bitmap,
}
bool Canvas::DrawTileSelector(int size) {
const ImGuiIO &io = ImGui::GetIO();
const bool is_hovered = ImGui::IsItemHovered();
const ImGuiIO &io = GetIO();
const bool is_hovered = IsItemHovered();
const ImVec2 origin(canvas_p0_.x + scrolling_.x, canvas_p0_.y + scrolling_.y);
const ImVec2 mouse_pos(io.MousePos.x - origin.x, io.MousePos.y - origin.y);
if (is_hovered && ImGui::IsMouseClicked(ImGuiMouseButton_Left)) {
if (is_hovered && IsMouseClicked(ImGuiMouseButton_Left)) {
if (!points_.empty()) {
points_.clear();
}
@@ -363,32 +376,6 @@ void Canvas::DrawOutlineWithColor(int x, int y, int w, int h, uint32_t color) {
draw_list_->AddRect(origin, size, color);
}
void Canvas::DrawSelectRectTile16(int current_map) {
const ImGuiIO &io = ImGui::GetIO();
const ImVec2 origin(canvas_p0_.x + scrolling_.x, canvas_p0_.y + scrolling_.y);
const ImVec2 mouse_pos(io.MousePos.x - origin.x, io.MousePos.y - origin.y);
if (ImGui::IsMouseClicked(ImGuiMouseButton_Right)) {
// Calculate the coordinates of the mouse
ImVec2 painter_pos;
painter_pos.x = std::floor((double)mouse_pos.x / 16) * 16;
painter_pos.y = std::floor((double)mouse_pos.y / 16) * 16;
int painter_x = painter_pos.x;
int painter_y = painter_pos.y;
constexpr int small_map_size = 0x200;
auto tile16_x = (painter_x % small_map_size) / (small_map_size / 0x20);
auto tile16_y = (painter_y % small_map_size) / (small_map_size / 0x20);
int superY = current_map / 8;
int superX = current_map % 8;
int index_x = superX * 0x20 + tile16_x;
int index_y = superY * 0x20 + tile16_y;
selected_tiles_.push_back(ImVec2(index_x, index_y));
}
}
namespace {
ImVec2 AlignPosToGrid(ImVec2 pos, float scale) {
return ImVec2(std::floor((double)pos.x / scale) * scale,
@@ -397,7 +384,7 @@ ImVec2 AlignPosToGrid(ImVec2 pos, float scale) {
} // namespace
void Canvas::DrawSelectRect(int current_map, int tile_size, float scale) {
const ImGuiIO &io = ImGui::GetIO();
const ImGuiIO &io = GetIO();
const ImVec2 origin(canvas_p0_.x + scrolling_.x, canvas_p0_.y + scrolling_.y);
const ImVec2 mouse_pos(io.MousePos.x - origin.x, io.MousePos.y - origin.y);
static ImVec2 drag_start_pos;
@@ -408,7 +395,7 @@ void Canvas::DrawSelectRect(int current_map, int tile_size, float scale) {
int superX = current_map % 8;
// Handle right click for single tile selection
if (ImGui::IsMouseClicked(ImGuiMouseButton_Right)) {
if (IsMouseClicked(ImGuiMouseButton_Right)) {
ImVec2 painter_pos = AlignPosToGrid(mouse_pos, scaled_size);
int painter_x = painter_pos.x;
int painter_y = painter_pos.y;
@@ -423,8 +410,7 @@ void Canvas::DrawSelectRect(int current_map, int tile_size, float scale) {
select_rect_active_ = false;
// Start drag position for rectangle selection
drag_start_pos = {std::floor(mouse_pos.x / scaled_size) * scaled_size,
std::floor(mouse_pos.y / scaled_size) * scaled_size};
drag_start_pos = AlignPosToGrid(mouse_pos, scaled_size);
}
// Calculate the rectangle's top-left and bottom-right corners
@@ -540,15 +526,14 @@ void Canvas::DrawBitmapGroup(std::vector<int> &group,
}
}
const ImGuiIO &io = ImGui::GetIO();
const ImGuiIO &io = GetIO();
const ImVec2 origin(canvas_p0_.x + scrolling_.x, canvas_p0_.y + scrolling_.y);
const ImVec2 mouse_pos(io.MousePos.x - origin.x, io.MousePos.y - origin.y);
auto new_start_pos = AlignPosToGrid(mouse_pos, tile_size * scale);
auto new_end_pos =
ImVec2(new_start_pos.x + rect_width, new_start_pos.y + rect_height);
selected_points_.clear();
selected_points_.push_back(new_start_pos);
selected_points_.push_back(new_end_pos);
selected_points_.push_back(
ImVec2(new_start_pos.x + rect_width, new_start_pos.y + rect_height));
select_rect_active_ = true;
}
@@ -675,8 +660,8 @@ void Canvas::DrawLayeredElements() {
// Based on ImGui demo, should be adapted to use for OAM
ImDrawList *draw_list = ImGui::GetWindowDrawList();
{
ImGui::Text("Blue shape is drawn first: appears in back");
ImGui::Text("Red shape is drawn after: appears in front");
Text("Blue shape is drawn first: appears in back");
Text("Red shape is drawn after: appears in front");
ImVec2 p0 = ImGui::GetCursorScreenPos();
draw_list->AddRectFilled(ImVec2(p0.x, p0.y), ImVec2(p0.x + 50, p0.y + 50),
IM_COL32(0, 0, 255, 255)); // Blue
@@ -687,8 +672,8 @@ void Canvas::DrawLayeredElements() {
}
ImGui::Separator();
{
ImGui::Text("Blue shape is drawn first, into channel 1: appears in front");
ImGui::Text("Red shape is drawn after, into channel 0: appears in back");
Text("Blue shape is drawn first, into channel 1: appears in front");
Text("Red shape is drawn after, into channel 0: appears in back");
ImVec2 p1 = ImGui::GetCursorScreenPos();
// Create 2 channels and draw a Blue shape THEN a Red shape.
@@ -708,8 +693,7 @@ void Canvas::DrawLayeredElements() {
// only (vertices are not copied).
draw_list->ChannelsMerge();
ImGui::Dummy(ImVec2(75, 75));
ImGui::Text(
"After reordering, contents of channel 0 appears below channel 1.");
Text("After reordering, contents of channel 0 appears below channel 1.");
}
}

1
src/app/gui/canvas.h
View File

@@ -102,7 +102,6 @@ class Canvas {
void DrawSelectRect(int current_map, int tile_size = 0x10,
float scale = 1.0f);
void DrawSelectRectTile16(int current_map);
void DrawRect(int x, int y, int w, int h, ImVec4 color);