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This commit is contained in:
ocornut 2016-05-21 22:35:05 +02:00
parent 713730af0c
commit 753bf5cefe
1 changed files with 4 additions and 7 deletions
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imgui.h
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@ -1030,6 +1030,7 @@ struct ImGuiTextEditCallbackData
}; };
// ImColor() helper to implicity converts colors to either ImU32 (packed 4x1 byte) or ImVec4 (4x1 float) // ImColor() helper to implicity converts colors to either ImU32 (packed 4x1 byte) or ImVec4 (4x1 float)
// Prefer using IM_COL32() macros if you want a guaranteed compile-time ImU32 for usage with ImDrawList API.
// Avoid storing ImColor! Store either u32 of ImVec4. This is not a full-featured color class. // Avoid storing ImColor! Store either u32 of ImVec4. This is not a full-featured color class.
// None of the ImGui API are using ImColor directly but you can use it as a convenience to pass colors in either ImU32 or ImVec4 formats. // None of the ImGui API are using ImColor directly but you can use it as a convenience to pass colors in either ImU32 or ImVec4 formats.
struct ImColor struct ImColor
@ -1092,12 +1093,8 @@ struct ImGuiListClipper
// Draw callbacks for advanced uses. // Draw callbacks for advanced uses.
// NB- You most likely do NOT need to use draw callbacks just to create your own widget or customized UI rendering (you can poke into the draw list for that) // NB- You most likely do NOT need to use draw callbacks just to create your own widget or customized UI rendering (you can poke into the draw list for that)
// Draw callback may be useful for example, if you want to render a complex 3D scene inside a UI element, change your GPU render state, etc. // Draw callback may be useful for example, A) Change your GPU render state, B) render a complex 3D scene inside a UI element (without an intermediate texture/render target), etc.
// The expected behavior from your rendering loop is: // The expected behavior from your rendering function is 'if (cmd.UserCallback != NULL) cmd.UserCallback(parent_list, cmd); else RenderTriangles()'
// if (cmd.UserCallback != NULL)
// cmd.UserCallback(parent_list, cmd);
// else
// RenderTriangles()
typedef void (*ImDrawCallback)(const ImDrawList* parent_list, const ImDrawCmd* cmd); typedef void (*ImDrawCallback)(const ImDrawList* parent_list, const ImDrawCmd* cmd);
// Typically, 1 command = 1 gpu draw call (unless command is a callback) // Typically, 1 command = 1 gpu draw call (unless command is a callback)
@ -1112,7 +1109,7 @@ struct ImDrawCmd
ImDrawCmd() { ElemCount = 0; ClipRect.x = ClipRect.y = -8192.0f; ClipRect.z = ClipRect.w = +8192.0f; TextureId = NULL; UserCallback = NULL; UserCallbackData = NULL; } ImDrawCmd() { ElemCount = 0; ClipRect.x = ClipRect.y = -8192.0f; ClipRect.z = ClipRect.w = +8192.0f; TextureId = NULL; UserCallback = NULL; UserCallbackData = NULL; }
}; };
// Vertex index (override with, e.g. '#define ImDrawIdx unsigned int' in ImConfig) // Vertex index (override with '#define ImDrawIdx unsigned int' inside in imconfig.h)
#ifndef ImDrawIdx #ifndef ImDrawIdx
typedef unsigned short ImDrawIdx; typedef unsigned short ImDrawIdx;
#endif #endif