101 lines
3.3 KiB
C++
101 lines
3.3 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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void Update(const gfx::Bitmap& bitmap, ImVec2 bg_size, int tile_size,
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float scale = 1.0f, float grid_size = 64.0f);
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void UpdateEvent(const std::function<void()>& event, ImVec2 bg_size,
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int tile_size, float grid_size = 64.0f);
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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, float scale = 1.0f);
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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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void HandleTileEdits(Canvas& blockset_canvas,
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std::vector<gfx::Bitmap>& source_blockset,
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gfx::Bitmap& destination, int& current_tile,
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float scale = 1.0f, int tile_painter_size = 16,
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int tiles_per_row = 8);
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void RenderUpdatedBitmap(const ImVec2& click_position, const Bytes& tile_data,
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gfx::Bitmap& destination);
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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 = 0, int y_offset = 0,
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float scale = 1.0f);
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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 Scrolling() const { return scrolling_; }
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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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auto IsMouseHovering() const { return is_hovered_; }
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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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};
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} // namespace gui
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} // namespace app
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} // namespace yaze
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#endif |