ImGuiSpriteViewer.hh

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#ifndef IMGUI_SPRITE_VIEWER_HH
#define IMGUI_SPRITE_VIEWER_HH
 
#include "ImGuiPart.hh"
 
#include "GLUtil.hh"
#include "gl_vec.hh"
 
namespace openmsx {
 
class ImGuiSpriteViewer final : public ImGuiPart
{
public:
        using ImGuiPart::ImGuiPart;
 
        [[nodiscard]] zstring_view iniName() const override { return "sprite viewer"; }
        void save(ImGuiTextBuffer& buf) override;
        void loadLine(std::string_view name, zstring_view value) override;
        void paint(MSXMotherBoard* motherBoard) override;
 
public:
        bool show = false;
 
private:
        int manual = 0; // 0 -> use VDP settings, 1 -> use manual settings
        int manualMode = 1;
        int manualSize = 8;
        int manualMag = 0;
        int manualTransparent = 0;
        int manualPatBase = 0;
        int manualAttBase = 0;
        int manualVerticalScroll = 0;
        int manualLines = 0; // 0->192, 1->212, 2->256
        int zoom = 0; // 0->1x, 1->2x, ..., 7->8x
        int checkerBoardSize = 4;
        int boundingBoxOnAll = 0;
        gl::vec4 gridColor{0.5f, 0.5f, 0.5f, 0.5f}; // RGBA
        gl::vec4 checkerBoardColor1{0.2f, 0.2f, 0.2f, 0.8f}; // RGBA
        gl::vec4 checkerBoardColor2{0.4f, 0.4f, 0.4f, 0.8f}; // RGBA
        gl::vec4 boundingBoxColor  {1.0f, 0.0f, 0.0f, 0.8f}; // RGBA
        bool grid = true;
        bool drawBoundingBox = true;
        bool enableLimitPerLine = true;
        bool enableStopY = true;
 
        gl::Texture patternTex {gl::Null{}}; // TODO also deallocate when needed
        gl::Texture gridTex    {gl::Null{}};
        gl::Texture zoomGridTex{gl::Null{}};
        gl::Texture checkerTex {gl::Null{}};
        gl::Texture renderTex  {gl::Null{}};
 
        static constexpr auto validSizes = {8, 16};
        static constexpr auto persistentElements = std::tuple{
                PersistentElement{"show",                &ImGuiSpriteViewer::show},
                PersistentElementMax{"override",         &ImGuiSpriteViewer::manual, 2},
                PersistentElementMinMax{"mode",          &ImGuiSpriteViewer::manualMode, 1, 3}, // 1 or 2
                PersistentElementEnum{"size",            &ImGuiSpriteViewer::manualSize, validSizes},
                PersistentElementMax{"mag",              &ImGuiSpriteViewer::manualMag, 2},
                PersistentElementMax{"transparent",      &ImGuiSpriteViewer::manualTransparent, 2},
                PersistentElementMax{"patBase",          &ImGuiSpriteViewer::manualPatBase, 0x20000},
                PersistentElementMax{"attBase",          &ImGuiSpriteViewer::manualAttBase, 0x20000},
                PersistentElementMax{"verticalScroll",   &ImGuiSpriteViewer::manualVerticalScroll, 256},
                PersistentElementMax{"lines",            &ImGuiSpriteViewer::manualLines, 3},
                PersistentElementMax{"zoom",             &ImGuiSpriteViewer::zoom, 8},
                PersistentElement{"showGrid",            &ImGuiSpriteViewer::grid},
                PersistentElementMax{"checkerBoardSize", &ImGuiSpriteViewer::checkerBoardSize, 256},
                PersistentElement{"gridColor",           &ImGuiSpriteViewer::gridColor},
                PersistentElement{"checkerBoardColor1",  &ImGuiSpriteViewer::checkerBoardColor1},
                PersistentElement{"checkerBoardColor2",  &ImGuiSpriteViewer::checkerBoardColor2},
                PersistentElement{"boundingBox",         &ImGuiSpriteViewer::drawBoundingBox},
                PersistentElement{"boundingBoxColor",    &ImGuiSpriteViewer::boundingBoxColor},
                PersistentElement{"spritesPerLineLimit", &ImGuiSpriteViewer::enableLimitPerLine},
                PersistentElement{"stopY",               &ImGuiSpriteViewer::enableStopY}
        };
};
 
} // namespace openmsx
 
#endif