169 lines
9.7 KiB
C++
169 lines
9.7 KiB
C++
/*
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OmniaFramework - A collection of useful functionality
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Copyright (C) 2026 OmniaX-Dev
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This file is part of OmniaFramework.
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OmniaFramework is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OmniaFramework is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OmniaFramework. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <ogfx/utils/Animation.hpp>
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#include <ostd/math/Geometry.hpp>
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#include <ostd/data/Color.hpp>
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#include <ogfx/resources/Image.hpp>
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#include <ostd/io/IOHandlers.hpp>
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#include <ogfx/render/FontGlyphAtlas.hpp>
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namespace ogfx
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{
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class WindowCore;
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class BasicRenderer2D
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{
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public: struct tErrors
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{
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inline static constexpr i32 NoError = 0;
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inline static constexpr i32 FailedToLoad = 1;
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inline static constexpr i32 FailedToOpenFontFile = 2;
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inline static constexpr i32 Uninitialized = 3;
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inline static constexpr i32 InvalidState = 5;
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inline static constexpr i32 TTFRenderTextBlendedFail = 6;
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inline static constexpr i32 TTFCreateTextureFromSurfaceFail = 7;
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inline static constexpr i32 NullFont = 8;
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inline static constexpr i32 NoFont = 9;
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inline static constexpr i32 FailedToOpenFontByteStrean = 10;
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};
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private: class SignalHandler : public ostd::BaseObject
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{
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public:
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SignalHandler(BasicRenderer2D& parent);
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void handleSignal(ostd::Signal& signal) override;
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private:
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BasicRenderer2D& m_parent;
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};
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public:
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inline BasicRenderer2D(void) { }
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~BasicRenderer2D(void);
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i32 init(WindowCore& window);
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SDL_Renderer* getSDLRenderer(void) const;
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void flushBatch(void);
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void endFrame(void);
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void pushClippingRect(const Rectangle& rect, bool additive = false);
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void popClippingRect(void);
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i32 loadDefaultMonoFont(i32 fontSize = 0);
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i32 loadDefaultFont(i32 fontSize = 0);
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void closeFont(void);
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i32 openFont(const String& fontPath, i32 fontSize = 0);
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i32 openFont(const ostd::UByte resource_data[], u32 data_size, i32 fontSize = 0);
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i32 setFontSize(i32 fontSize);
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Vec2 getStringDimensions(const String& message, i32 fontSize = 0, TTF_Font* font = nullptr);
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inline u32 getDrawCallCount(void) { return m_lastFrameDrawCallCount; }
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inline bool hasOpenFont(void) { return m_fontOpen; }
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inline TTF_Font* getSDLFont(void) { return m_font; }
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inline bool isValid(void) const { return m_initialized && m_fontOpen && (m_font != nullptr || m_fontFromMemory); }
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inline i32 geterrorState(void) { return m_errorState; }
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inline i32 getFontSize(void) { return m_fontSize; }
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inline WindowCore& getWindow(void) { return *m_window; }
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inline bool isInitialized(void) { return m_initialized; }
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inline FontGlyphAtlas& getFontGlyphAtlas(void) { return m_fontGlyphAtlas; }
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void drawImage(const ogfx::Image& image, const Vec2& position, const Vec2& size = { 0, 0 }, const Color& tint = Colors::White, const Rectangle& srcRect = { 0, 0, 0, 0 });
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void drawAnimation(const Animation& anim, const Vec2& position, const Vec2& size = { 0, 0 }, const Color& tint = Colors::White);
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void fillGradientRect(const Rectangle& rect, ColorGradient& gradient);
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void drawString(const String& str, const Vec2& position, const Color& color, i32 fontSize = 0, f32 scale = 1.0f);
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void drawCenteredString(const String& str, const Vec2& center, const Color& color, i32 fontSize = 0, f32 scale = 1.0f);
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void drawCenteredString(const String& str, const Rectangle& bounds, const Color& color, i32 fontSize = 0, f32 scale = 1.0f);
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void drawVCenteredString(const String& str, const Rectangle& bounds, const Color& color, i32 fontSize = 0, f32 scale = 1.0f);
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void drawHCenteredString(const String& str, const Rectangle& bounds, const Color& color, i32 fontSize = 0, f32 scale = 1.0f);
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void drawLine(const FLine& line, const Color& color, i32 thickness = 1, bool rounded = true);
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void drawRect(const Rectangle& rect, const Color& color, i32 thickness = 1, bool topEdge = true, bool rightEdge = true, bool bottomEdge = true, bool leftEdge = true);
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void drawRect(const Vec2& center, const Vec2& size, const Color& color, i32 thickness = 1, bool topEdge = true, bool rightEdge = true, bool bottomEdge = true, bool leftEdge = true);
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void drawRoundRect(const Vec2& center, const Vec2& size, const Color& color, f32 radius, i32 thickness = 1);
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void drawRoundRect(const Rectangle& rect, const Color& color, f32 radius, i32 thickness = 1);
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void drawRoundRect(const Rectangle& rect, const Color& color, const Rectangle& radii, i32 thickness = 1);
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void drawRoundRect(const Vec2& center, const Vec2& size, const Color& color, const Rectangle& radii, i32 thickness = 1);
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void drawCircle(const Vec2& center, f32 radius, const Color& color, i32 thickness = 1);
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void drawCircle(const Rectangle& rect, const Color& color, i32 thickness = 1);
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void drawEllipse(const Rectangle& rect, const Color& color, i32 thickness = 1);
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void drawTriangle(const Triangle& tri, const Color& color, i32 thickness = 1);
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void drawTriangle(const Vec2& A, const Vec2& B, const Vec2& C, const Color& color, i32 thickness = 1);
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void fillRect(const Rectangle& rect, const Color& color);
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void fillRect(const Vec2& center, const Vec2& size, const Color& color);
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void fillRoundRect(const Rectangle& rect, const Color& color, f32 radius);
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void fillRoundRect(const Vec2& center, const Vec2& size, const Color& color, f32 radius);
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void fillRoundRect(const Rectangle& rect, const Color& color, const Rectangle& radii);
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void fillRoundRect(const Vec2& center, const Vec2& size, const Color& color, const Rectangle& radii);
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void fillCircle(const Vec2& center, f32 radius, const Color& color);
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void fillCircle(const Rectangle& rect, const Color& color);
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void fillEllipse(const Rectangle& rect, const Color& color);
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void fillTriangle(const Triangle& tri, const Color& color);
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void fillTriangle(const Vec2& A, const Vec2& B, const Vec2& C, const Color& color);
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void outlinedRect(const Vec2& center, const Vec2& size, const Color& fillColor, const Color& outlineColor, i32 outlineThickness = 1, bool topEdge = true, bool rightEdge = true, bool bottomEdge = true, bool leftEdge = true);
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void outlinedRect(const Rectangle& rect, const Color& fillColor, const Color& outlineColor, i32 outlineThickness = 1, bool topEdge = true, bool rightEdge = true, bool bottomEdge = true, bool leftEdge = true);
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void outlinedRoundRect(const Rectangle& rect, const Color& fillColor, const Color& outlineColor, f32 radius, i32 outlineThickness = 1);
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void outlinedRoundRect(const Vec2& center, const Vec2& size, const Color& fillColor, const Color& outlineColor, f32 radius, i32 outlineThickness = 1);
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void outlinedRoundRect(const Rectangle& rect, const Color& fillColor, const Color& outlineColor, const Rectangle& radii, i32 outlineThickness = 1);
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void outlinedRoundRect(const Vec2& center, const Vec2& size, const Color& fillColor, const Color& outlineColor, const Rectangle& radii, i32 outlineThickness = 1);
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void outlinedCircle(const Vec2& center, f32 radius, const Color& fillColor, const Color& outlineColor, i32 outlineThickness = 1);
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void outlinedCircle(const Rectangle& rect, const Color& fillColor, const Color& outlineColor, i32 outlineThickness = 1);
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void outlinedEllipse(const Rectangle& rect, const Color& fillColor, const Color& outlineColor, i32 outlineThickness = 1);
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void outlinedTriangle(const Triangle& tri, const Color& fillColor, const Color& outlineColor, i32 outlineThickness = 1);
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void outlinedTriangle(const Vec2& A, const Vec2& B, const Vec2& C, const Color& fillColor, const Color& outlineColor, i32 outlineThickness = 1);
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private:
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void init_arrays(void);
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void generate_half_circle(const Vec2& center, const Vec2& dir, f32 radius, i32 segments, const Color& color, bool use_null_tex = false);
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void generate_ellipse_stroke(const Vec2& center, f32 radiusX, f32 radiusY, f32 thickness, f32 startAngle, f32 endAngle, const Color& color, i32 segments, bool use_null_tex = false);
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void generate_filled_ellipse_stroke(const Vec2& center, f32 radiusX, f32 radiusY, f32 startAngle, const Color& color, i32 segments, bool use_null_tex = false);
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void generate_filled_ellipse(const Vec2& center, f32 radiusX, f32 radiusY, const Color& color, i32 segments, bool use_null_tex = false);
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void push_polygon(const Vec2* verts, const Vec2* texCoords, u32 vertCount, const u32* inds, u32 indexCount, const Color& color, SDL_Texture* texture, bool use_null_tex = false);
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void print_ttf_error(const String& funcName);
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inline i32 set_error_state(i32 err) { m_errorState = err; return m_errorState; }
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public:
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inline static constexpr i32 MaxVertices { 8192 };
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inline static constexpr i32 MaxIndices { (i32)(MaxVertices * 1.5f) };
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private:
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WindowCore* m_window { nullptr };
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ostd::ConsoleOutputHandler m_out;
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bool m_initialized { false };
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stdvec<Rectangle> m_clipStack;
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std::array<SDL_Vertex, MaxVertices> m_vertices;
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std::array<i32, MaxIndices> m_indices;
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i32 m_vertexCount { 0 };
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i32 m_indexCount { 0 };
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SDL_Texture* m_texture { nullptr };
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u32 m_drawCallCount { 0 };
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u32 m_lastFrameDrawCallCount { 0 };
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bool m_fontOpen { false };
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TTF_Font* m_font { nullptr };
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i32 m_errorState { tErrors::NoError };
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i32 m_fontSize { DefaultFontSize };
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bool m_fontFromMemory { false };
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FontGlyphAtlas m_fontGlyphAtlas;
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SDL_Texture* m_lastUsedGlyphAtlasTex { nullptr };
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SignalHandler m_sigHandler { *this };
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inline static constexpr i32 DefaultFontSize { 16 };
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};
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}
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