mirror of
https://github.com/scratchfoundation/bgfx.git
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229 lines
9.3 KiB
C++
229 lines
9.3 KiB
C++
/*
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* Copyright 2011-2015 Branimir Karadzic. All rights reserved.
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* License: http://www.opensource.org/licenses/BSD-2-Clause
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*/
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// This code is based on:
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//
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// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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//
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// Source altered and distributed from https://github.com/AdrienHerubel/imgui
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#ifndef IMGUI_H_HEADER_GUARD
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#define IMGUI_H_HEADER_GUARD
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#include <bgfx/bgfx.h>
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#include <ocornut-imgui/imgui.h>
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#include <ocornut-imgui/imgui_wm.h>
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#define IMGUI_MBUT_LEFT 0x01
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#define IMGUI_MBUT_RIGHT 0x02
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#define IMGUI_MBUT_MIDDLE 0x04
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/// For custom values, define these macros before including imgui.h
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#ifndef IMGUI_SCROLL_AREA_R
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# define IMGUI_SCROLL_AREA_R 6
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#endif //IMGUI_SCROLL_AREA_R
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#ifndef IMGUI_SCROLL_BAR_R
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# define IMGUI_SCROLL_BAR_R 5
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#endif //IMGUI_SCROLL_BAR_R
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#ifndef IMGUI_BUTTON_R
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# define IMGUI_BUTTON_R 9
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#endif //IMGUI_BUTTON_R
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#ifndef IMGUI_BUTTON_RGB0
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# define IMGUI_BUTTON_RGB0 imguiRGBA(128, 128, 128, 0)
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#endif //IMGUI_BUTTON_RGB0
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#ifndef IMGUI_INPUT_R
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# define IMGUI_INPUT_R 4
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#endif //IMGUI_INPUT_R
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#ifndef IMGUI_TABS_HEIGHT
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# define IMGUI_TABS_HEIGHT 20
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#endif //IMGUI_TABS_HEIGHT
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#ifndef IMGUI_TABS_R
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# define IMGUI_TABS_R 9
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#endif //IMGUI_TABS_R
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#ifndef IMGUI_INDENT_VALUE
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# define IMGUI_INDENT_VALUE 16
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#endif //IMGUI_INDENT_VALUE
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#ifndef IMGUI_SEPARATOR_VALUE
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# define IMGUI_SEPARATOR_VALUE 12
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#endif //IMGUI_SEPARATOR_VALUE
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struct ImguiTextAlign
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{
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enum Enum
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{
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Left,
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Center,
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Right,
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Count
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};
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};
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struct ImguiAlign
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{
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enum Enum
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{
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Left,
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LeftIndented,
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Center,
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CenterIndented,
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Right,
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};
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};
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struct ImguiCubemap
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{
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enum Enum
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{
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Cross,
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Latlong,
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Hex,
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Count,
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};
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};
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struct ImguiBorder
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{
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enum Enum
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{
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Left,
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Right,
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Top,
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Bottom
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};
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};
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inline uint32_t imguiRGBA(uint8_t _r, uint8_t _g, uint8_t _b, uint8_t _a = 255)
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{
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return 0
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| (uint32_t(_r) << 0)
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| (uint32_t(_g) << 8)
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| (uint32_t(_b) << 16)
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| (uint32_t(_a) << 24)
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;
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}
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BGFX_HANDLE(ImguiFontHandle);
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ImguiFontHandle imguiCreateFont(const void* _data, float _fontSize=15.0f);
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void imguiSetFont(ImguiFontHandle _handle);
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ImguiFontHandle imguiGetCurrentFont();
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namespace bx { struct AllocatorI; }
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ImguiFontHandle imguiCreate(const void* _data = NULL, uint32_t _size = 0, float _fontSize = 15.0f, bx::AllocatorI* _allocator = NULL);
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void imguiDestroy();
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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);
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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);
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void imguiEndFrame();
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void imguiDrawText(int _x, int _y, ImguiTextAlign::Enum _align, const char* _text, uint32_t _argb);
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void imguiDrawLine(float _x0, float _y0, float _x1, float _y1, float _r, uint32_t _argb);
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void imguiDrawRoundedRect(float _x, float _y, float _w, float _h, float _r, uint32_t _argb);
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void imguiDrawRect(float _x, float _y, float _w, float _h, uint32_t _argb);
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/// Notice: this function is not to be called between imguiBeginArea() and imguiEndArea().
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bool imguiBorderButton(ImguiBorder::Enum _border, bool _checked, bool _enabled = true);
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bool imguiBeginArea(const char* _name, int _x, int _y, int _width, int _height, bool _enabled = true, int32_t _r = IMGUI_SCROLL_AREA_R);
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void imguiEndArea();
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bool imguiBeginScroll(int32_t _height, int32_t* _scroll, bool _enabled = true);
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void imguiEndScroll(int32_t _r = IMGUI_SCROLL_BAR_R);
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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);
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void imguiEndScrollArea(int32_t _r = IMGUI_SCROLL_BAR_R);
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void imguiIndent(uint16_t _width = IMGUI_INDENT_VALUE);
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void imguiUnindent(uint16_t _width = IMGUI_INDENT_VALUE);
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void imguiSeparator(uint16_t _height = IMGUI_SEPARATOR_VALUE);
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void imguiSeparatorLine(uint16_t _height = IMGUI_SEPARATOR_VALUE, ImguiAlign::Enum = ImguiAlign::LeftIndented);
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int32_t imguiGetWidgetX();
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int32_t imguiGetWidgetY();
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int32_t imguiGetWidgetW();
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void imguiSetCurrentScissor(); // Call before drawing custom widgets over imgui area.
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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);
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bool imguiItem(const char* _text, bool _enabled = true);
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bool imguiCheck(const char* _text, bool _checked, bool _enabled = true);
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void imguiBool(const char* _text, bool& _flag, bool _enabled = true);
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bool imguiCollapse(const char* _text, const char* _subtext, bool _checked, bool _enabled = true);
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void imguiLabel(const char* _format, ...);
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void imguiLabel(uint32_t _rgba, const char* _format, ...);
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void imguiValue(const char* _text);
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bool imguiSlider(const char* _text, float& _val, float _vmin, float _vmax, float _vinc, bool _enabled = true, ImguiAlign::Enum _align = ImguiAlign::LeftIndented);
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bool imguiSlider(const char* _text, int32_t& _val, int32_t _vmin, int32_t _vmax, bool _enabled = true, ImguiAlign::Enum _align = ImguiAlign::LeftIndented);
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void imguiInput(const char* _label, char* _str, uint32_t _len, bool _enabled = true, ImguiAlign::Enum _align = ImguiAlign::LeftIndented, int32_t _r = IMGUI_INPUT_R);
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/// Usage example:
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/// imguiTabs(0, true, ImguiAlign::CenterIndented, 20, 0, 3, 2, "Tab0", "Tab1", "Tab2", true, false);
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/// _nTabs - Number of tabs (in the above example, 3, and their labes are 'Tab0', 'Tab1' and 'Tab2'.
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/// _nEnabled - Number of specified 'enabled' flags. All other unspecified tabs are considered enabled by default.
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/// In the above example, there are 2 enabled flags: 'Tab0' is specified as enabled and 'Tab1' is specified as disabled.
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/// Tab2 is unspecified and therefore is treated as enabled.
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uint8_t imguiTabs(uint8_t _selected, bool _enabled, ImguiAlign::Enum _align, int32_t _height, int32_t _r, uint8_t _nTabs, uint8_t _nEnabled, ...);
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uint8_t imguiTabs(uint8_t _selected, bool _enabled, ImguiAlign::Enum _align, int32_t _height, int32_t _r, uint8_t _nTabs, ...);
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uint32_t imguiChooseUseMacroInstead(uint32_t _selected, ...);
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#define imguiChoose(...) imguiChooseUseMacroInstead(__VA_ARGS__, NULL)
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void imguiColorWheel(float _rgb[3], bool _respectIndentation = false, float _size = 0.8f, bool _enabled = true);
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void imguiColorWheel(const char* _str, float _rgb[3], bool& _activated, float _size = 0.8f, bool _enabled = true);
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bool imguiImage(bgfx::TextureHandle _image, float _lod, int32_t _width, int32_t _height, ImguiAlign::Enum _align = ImguiAlign::LeftIndented, bool _enabled = true, bool _originBottomLeft = false);
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bool imguiImage(bgfx::TextureHandle _image, float _lod, float _scale, float _aspect, ImguiAlign::Enum _align = ImguiAlign::LeftIndented, bool _enabled = true, bool _originBottomLeft = false);
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bool imguiImageChannel(bgfx::TextureHandle _image, uint8_t _channel, float _lod, int32_t _width, int32_t _height, ImguiAlign::Enum _align = ImguiAlign::LeftIndented, bool _enabled = true);
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bool imguiImageChannel(bgfx::TextureHandle _image, uint8_t _channel, float _lod, float _scale, float _aspect, ImguiAlign::Enum _align = ImguiAlign::LeftIndented, bool _enabled = true);
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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);
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float imguiGetTextLength(const char* _text, ImguiFontHandle _handle);
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bool imguiMouseOverArea();
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namespace ImGui
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{
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// Helper function for passing bgfx::TextureHandle to ImGui::Image.
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inline void Image(bgfx::TextureHandle _handle, const ImVec2& _size, const ImVec2& _uv0 = ImVec2(0, 0), const ImVec2& _uv1 = ImVec2(1, 1), const ImVec4& _tint_col = ImVec4(1, 1, 1, 1), const ImVec4& _border_col = ImVec4(0, 0, 0, 0) )
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{
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union { bgfx::TextureHandle handle; ImTextureID ptr; } texture;
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texture.handle = _handle;
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Image(texture.ptr, _size, _uv0, _uv1, _tint_col, _border_col);
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}
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// Helper function for passing bgfx::TextureHandle to ImGui::ImageButton.
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inline bool ImageButton(bgfx::TextureHandle _handle, const ImVec2& _size, const ImVec2& _uv0 = ImVec2(0,0), const ImVec2& _uv1 = ImVec2(1,1), int _frame_padding = -1, const ImVec4& _bg_col = ImVec4(0,0,0,0), const ImVec4& _tint_col = ImVec4(1,1,1,1))
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{
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union { bgfx::TextureHandle handle; ImTextureID ptr; } texture;
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texture.handle = _handle;
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return ImageButton(texture.ptr, _size, _uv0, _uv1, _frame_padding, _bg_col, _tint_col);
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}
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} // namespace ImGui
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#endif // IMGUI_H_HEADER_GUARD
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