90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
#ifndef YAZE_GUI_CANVAS_H
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#define YAZE_GUI_CANVAS_H
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#include <imgui/imgui.h>
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#include <cmath>
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#include <string>
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#include "app/gfx/bitmap.h"
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#include "app/rom.h"
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namespace yaze {
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namespace app {
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namespace gui {
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using app::gfx::Bitmap;
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using app::gfx::BitmapTable;
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class Canvas {
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public:
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Canvas() = default;
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explicit Canvas(ImVec2 canvas_size)
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: custom_canvas_size_(true), canvas_sz_(canvas_size) {}
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// Background for the Canvas represents region without any content drawn to
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// it, but can be controlled by the user.
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void DrawBackground(ImVec2 canvas_size = ImVec2(0, 0));
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// Context Menu refers to what happens when the right mouse button is pressed
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// This routine also handles the scrolling for the canvas.
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void DrawContextMenu();
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// Tile painter shows a preview of the currently selected tile
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// and allows the user to left click to paint the tile or right
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// click to select a new tile to paint with.
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bool DrawTilePainter(const Bitmap& bitmap, int size);
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// Dictates which tile is currently selected based on what the user clicks
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// in the canvas window. Represented and split apart into a grid of tiles.
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void DrawTileSelector(int size);
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// Draws the contents of the Bitmap image to the Canvas
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void DrawBitmap(const Bitmap& bitmap, int border_offset = 0,
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bool ready = true);
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void DrawBitmap(const Bitmap& bitmap, int x_offset, int y_offset);
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void DrawBitmapTable(const BitmapTable& gfx_bin);
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void DrawOutline(int x, int y, int w, int h);
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void DrawRect(int x, int y, int w, int h, ImVec4 color);
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void DrawText(std::string text, int x, int y);
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void DrawGrid(float grid_step = 64.0f);
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void DrawOverlay(); // last
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auto Points() const { return points_; }
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auto GetDrawList() const { return draw_list_; }
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auto GetZeroPoint() const { return canvas_p0_; }
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auto GetCurrentDrawnTilePosition() const { return drawn_tile_pos_; }
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auto GetCanvasSize() const { return canvas_sz_; }
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void SetCanvasSize(ImVec2 canvas_size) {
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canvas_sz_ = canvas_size;
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custom_canvas_size_ = true;
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}
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private:
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bool enable_grid_ = true;
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bool enable_context_menu_ = true;
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bool custom_canvas_size_ = false;
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bool is_hovered_ = false;
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ImDrawList* draw_list_;
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ImVector<ImVec2> points_;
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ImVec2 scrolling_;
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ImVec2 canvas_sz_;
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ImVec2 canvas_p0_;
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ImVec2 canvas_p1_;
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ImVec2 mouse_pos_in_canvas_;
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ImVec2 drawn_tile_pos_;
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std::vector<app::gfx::Bitmap> changed_tiles_;
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app::gfx::Bitmap current_tile_;
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std::string title_;
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};
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} // namespace gui
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} // namespace app
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} // namespace yaze
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#endif |