/* * Copyright 2011-2016 Branimir Karadzic. All rights reserved. * License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause */ // This code is based on: // // Copyright (c) 2009-2010 Mikko Mononen memon@inside.org // // This software is provided 'as-is', without any express or implied // warranty. In no event will the authors be held liable for any damages // arising from the use of this software. // Permission is granted to anyone to use this software for any purpose, // including commercial applications, and to alter it and redistribute it // freely, subject to the following restrictions: // 1. The origin of this software must not be misrepresented; you must not // claim that you wrote the original software. If you use this software // in a product, an acknowledgment in the product documentation would be // appreciated but is not required. // 2. Altered source versions must be plainly marked as such, and must not be // misrepresented as being the original software. // 3. This notice may not be removed or altered from any source distribution. // // Source altered and distributed from https://github.com/AdrienHerubel/imgui #ifndef IMGUI_H_HEADER_GUARD #define IMGUI_H_HEADER_GUARD #include #include #include #include #include #define IMGUI_MBUT_LEFT 0x01 #define IMGUI_MBUT_RIGHT 0x02 #define IMGUI_MBUT_MIDDLE 0x04 /// For custom values, define these macros before including imgui.h #ifndef IMGUI_SCROLL_AREA_R # define IMGUI_SCROLL_AREA_R 6 #endif //IMGUI_SCROLL_AREA_R #ifndef IMGUI_SCROLL_BAR_R # define IMGUI_SCROLL_BAR_R 5 #endif //IMGUI_SCROLL_BAR_R #ifndef IMGUI_BUTTON_R # define IMGUI_BUTTON_R 9 #endif //IMGUI_BUTTON_R #ifndef IMGUI_BUTTON_RGB0 # define IMGUI_BUTTON_RGB0 imguiRGBA(128, 128, 128, 0) #endif //IMGUI_BUTTON_RGB0 #ifndef IMGUI_INPUT_R # define IMGUI_INPUT_R 4 #endif //IMGUI_INPUT_R #ifndef IMGUI_TABS_HEIGHT # define IMGUI_TABS_HEIGHT 20 #endif //IMGUI_TABS_HEIGHT #ifndef IMGUI_TABS_R # define IMGUI_TABS_R 9 #endif //IMGUI_TABS_R #ifndef IMGUI_INDENT_VALUE # define IMGUI_INDENT_VALUE 16 #endif //IMGUI_INDENT_VALUE #ifndef IMGUI_SEPARATOR_VALUE # define IMGUI_SEPARATOR_VALUE 12 #endif //IMGUI_SEPARATOR_VALUE struct ImguiTextAlign { enum Enum { Left, Center, Right, Count }; }; struct ImguiAlign { enum Enum { Left, LeftIndented, Center, CenterIndented, Right, }; }; struct ImguiCubemap { enum Enum { Cross, Latlong, Hex, Count, }; }; struct ImguiBorder { enum Enum { Left, Right, Top, Bottom }; }; inline uint32_t imguiRGBA(uint8_t _r, uint8_t _g, uint8_t _b, uint8_t _a = 255) { return 0 | (uint32_t(_r) << 0) | (uint32_t(_g) << 8) | (uint32_t(_b) << 16) | (uint32_t(_a) << 24) ; } BGFX_HANDLE(ImguiFontHandle); ImguiFontHandle imguiCreateFont(const void* _data, float _fontSize = 18.0f); void imguiSetFont(ImguiFontHandle _handle); ImguiFontHandle imguiGetCurrentFont(); namespace bx { struct AllocatorI; } ImguiFontHandle imguiCreate(const void* _data = NULL, uint32_t _size = 0, float _fontSize = 18.0f, bx::AllocatorI* _allocator = NULL); void imguiDestroy(); void imguiBeginFrame(int32_t _mx, int32_t _my, uint8_t _button, int32_t _scroll, uint16_t _width, uint16_t _height, char _inputChar = 0, uint8_t _view = 255); void imguiBeginFrame(int32_t _mx, int32_t _my, uint8_t _button, int32_t _scroll, uint16_t _width, uint16_t _height, uint16_t _surfaceWidth, uint16_t _surfaceHeight, char _inputChar = 0, uint8_t _view = 255); void imguiEndFrame(); void imguiDrawText(int _x, int _y, ImguiTextAlign::Enum _align, const char* _text, uint32_t _argb); void imguiDrawLine(float _x0, float _y0, float _x1, float _y1, float _r, uint32_t _argb); void imguiDrawRoundedRect(float _x, float _y, float _w, float _h, float _r, uint32_t _argb); void imguiDrawRect(float _x, float _y, float _w, float _h, uint32_t _argb); /// Notice: this function is not to be called between imguiBeginArea() and imguiEndArea(). bool imguiBorderButton(ImguiBorder::Enum _border, bool _checked, bool _enabled = true); bool imguiBeginArea(const char* _name, int _x, int _y, int _width, int _height, bool _enabled = true, int32_t _r = IMGUI_SCROLL_AREA_R); void imguiEndArea(); bool imguiBeginScroll(int32_t _height, int32_t* _scroll, bool _enabled = true); void imguiEndScroll(int32_t _r = IMGUI_SCROLL_BAR_R); bool imguiBeginScrollArea(const char* _name, int _x, int _y, int _width, int _height, int* _scroll, bool _enabled = true, int32_t _r = IMGUI_SCROLL_AREA_R); void imguiEndScrollArea(int32_t _r = IMGUI_SCROLL_BAR_R); void imguiIndent(uint16_t _width = IMGUI_INDENT_VALUE); void imguiUnindent(uint16_t _width = IMGUI_INDENT_VALUE); void imguiSeparator(uint16_t _height = IMGUI_SEPARATOR_VALUE); void imguiSeparatorLine(uint16_t _height = IMGUI_SEPARATOR_VALUE, ImguiAlign::Enum = ImguiAlign::LeftIndented); int32_t imguiGetWidgetX(); int32_t imguiGetWidgetY(); int32_t imguiGetWidgetW(); void imguiSetCurrentScissor(); // Call before drawing custom widgets over imgui area. bool imguiButton(const char* _text, bool _enabled = true, ImguiAlign::Enum _align = ImguiAlign::LeftIndented, uint32_t _rgb0 = IMGUI_BUTTON_RGB0, int32_t _r = IMGUI_BUTTON_R); bool imguiItem(const char* _text, bool _enabled = true); bool imguiCheck(const char* _text, bool _checked, bool _enabled = true); bool imguiBool(const char* _text, bool& _flag, bool _enabled = true); bool imguiCollapse(const char* _text, const char* _subtext, bool _checked, bool _enabled = true); void imguiLabel(const char* _format, ...); void imguiLabel(uint32_t _rgba, const char* _format, ...); void imguiValue(const char* _text); bool imguiSlider(const char* _text, float& _val, float _vmin, float _vmax, float _vinc, bool _enabled = true, ImguiAlign::Enum _align = ImguiAlign::LeftIndented); bool imguiSlider(const char* _text, int32_t& _val, int32_t _vmin, int32_t _vmax, bool _enabled = true, ImguiAlign::Enum _align = ImguiAlign::LeftIndented); void imguiInput(const char* _label, char* _str, uint32_t _len, bool _enabled = true, ImguiAlign::Enum _align = ImguiAlign::LeftIndented, int32_t _r = IMGUI_INPUT_R); /// Usage example: /// imguiTabs(0, true, ImguiAlign::CenterIndented, 20, 0, 3, 2, "Tab0", "Tab1", "Tab2", true, false); /// _nTabs - Number of tabs (in the above example, 3, and their labes are 'Tab0', 'Tab1' and 'Tab2'. /// _nEnabled - Number of specified 'enabled' flags. All other unspecified tabs are considered enabled by default. /// In the above example, there are 2 enabled flags: 'Tab0' is specified as enabled and 'Tab1' is specified as disabled. /// Tab2 is unspecified and therefore is treated as enabled. uint8_t imguiTabs(uint8_t _selected, bool _enabled, ImguiAlign::Enum _align, int32_t _height, int32_t _r, uint32_t _nTabs, uint32_t _nEnabled, ...); uint8_t imguiTabs(uint8_t _selected, bool _enabled, ImguiAlign::Enum _align, int32_t _height, int32_t _r, uint32_t _nTabs, ...); uint32_t imguiChooseUseMacroInstead(uint32_t _selected, ...); #define imguiChoose(...) imguiChooseUseMacroInstead(__VA_ARGS__, NULL) void imguiColorWheel(float _rgb[3], bool _respectIndentation = false, float _size = 0.8f, bool _enabled = true); void imguiColorWheel(const char* _str, float _rgb[3], bool& _activated, float _size = 0.8f, bool _enabled = true); bool imguiImage(bgfx::TextureHandle _image, float _lod, int32_t _width, int32_t _height, ImguiAlign::Enum _align = ImguiAlign::LeftIndented, bool _enabled = true, bool _originBottomLeft = false); bool imguiImage(bgfx::TextureHandle _image, float _lod, float _scale, float _aspect, ImguiAlign::Enum _align = ImguiAlign::LeftIndented, bool _enabled = true, bool _originBottomLeft = false); bool imguiImageChannel(bgfx::TextureHandle _image, uint8_t _channel, float _lod, int32_t _width, int32_t _height, ImguiAlign::Enum _align = ImguiAlign::LeftIndented, bool _enabled = true); bool imguiImageChannel(bgfx::TextureHandle _image, uint8_t _channel, float _lod, float _scale, float _aspect, ImguiAlign::Enum _align = ImguiAlign::LeftIndented, bool _enabled = true); bool imguiCube(bgfx::TextureHandle _cubemap, float _lod = 0.0f, ImguiCubemap::Enum _display = ImguiCubemap::Cross, bool _sameHeight = false, ImguiAlign::Enum _align = ImguiAlign::LeftIndented, bool _enabled = true); float imguiGetTextLength(const char* _text, ImguiFontHandle _handle); bool imguiMouseOverArea(); namespace ImGui { #define IMGUI_FLAGS_NONE UINT8_C(0x00) #define IMGUI_FLAGS_ALPHA_BLEND UINT8_C(0x01) // Helper function for passing bgfx::TextureHandle to ImGui::Image. inline void Image(bgfx::TextureHandle _handle , uint8_t _flags , uint8_t _mip , const ImVec2& _size , const ImVec2& _uv0 = ImVec2(0.0f, 0.0f) , const ImVec2& _uv1 = ImVec2(1.0f, 1.0f) , const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f) , const ImVec4& _borderCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f) ) { union { struct { bgfx::TextureHandle handle; uint8_t flags; uint8_t mip; } s; ImTextureID ptr; } texture; texture.s.handle = _handle; texture.s.flags = _flags; texture.s.mip = _mip; Image(texture.ptr, _size, _uv0, _uv1, _tintCol, _borderCol); } // Helper function for passing bgfx::TextureHandle to ImGui::Image. inline void Image(bgfx::TextureHandle _handle , const ImVec2& _size , const ImVec2& _uv0 = ImVec2(0.0f, 0.0f) , const ImVec2& _uv1 = ImVec2(1.0f, 1.0f) , const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f) , const ImVec4& _borderCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f) ) { Image(_handle, IMGUI_FLAGS_ALPHA_BLEND, 0, _size, _uv0, _uv1, _tintCol, _borderCol); } // Helper function for passing bgfx::TextureHandle to ImGui::ImageButton. inline bool ImageButton(bgfx::TextureHandle _handle , uint8_t _flags , uint8_t _mip , const ImVec2& _size , const ImVec2& _uv0 = ImVec2(0.0f, 0.0f) , const ImVec2& _uv1 = ImVec2(1.0f, 1.0f) , int _framePadding = -1 , const ImVec4& _bgCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f) , const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f) ) { union { struct { bgfx::TextureHandle handle; uint8_t flags; uint8_t mip; } s; ImTextureID ptr; } texture; texture.s.handle = _handle; texture.s.flags = _flags; texture.s.mip = _mip; return ImageButton(texture.ptr, _size, _uv0, _uv1, _framePadding, _bgCol, _tintCol); } // Helper function for passing bgfx::TextureHandle to ImGui::ImageButton. inline bool ImageButton(bgfx::TextureHandle _handle , const ImVec2& _size , const ImVec2& _uv0 = ImVec2(0.0f, 0.0f) , const ImVec2& _uv1 = ImVec2(1.0f, 1.0f) , int _framePadding = -1 , const ImVec4& _bgCol = ImVec4(0.0f, 0.0f, 0.0f, 0.0f) , const ImVec4& _tintCol = ImVec4(1.0f, 1.0f, 1.0f, 1.0f) ) { return ImageButton(_handle, IMGUI_FLAGS_ALPHA_BLEND, 0, _size, _uv0, _uv1, _framePadding, _bgCol, _tintCol); } inline void NextLine() { SetCursorPosY(GetCursorPosY() + GetTextLineHeightWithSpacing() ); } } // namespace ImGui #endif // IMGUI_H_HEADER_GUARD