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ImDrawList: Fixed issues with channels split/merge. Functional without manually adding a draw cmd. + Removed unnecessary parameter to Channe

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This commit is contained in:
ocornut
2015-08-25 16:24:17 +01:00
parent ad00d88923
commit 77b82ecad7
3 changed files with 40 additions and 27 deletions
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11
imgui.h
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@ -1015,6 +1015,8 @@ struct ImDrawCmd
ImTextureID TextureId; // User-provided texture ID. Set by user in ImfontAtlas::SetTexID() for fonts or passed to Image*() functions. Ignore if never using images or multiple fonts atlas.
ImDrawCallback UserCallback; // If != NULL, call the function instead of rendering the vertices. clip_rect and texture_id will be set normally.
void* UserCallbackData; // The draw callback code can access this.
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)
@ -1066,8 +1068,9 @@ struct ImDrawList
ImVector<ImVec4> _ClipRectStack; // [Internal]
ImVector<ImTextureID> _TextureIdStack; // [Internal]
ImVector<ImVec2> _Path; // [Internal] current path building
int _ChannelCurrent; // [Internal] current channel number (0)
ImVector<ImDrawChannel> _Channels; // [Internal] draw channels for columns API
int _ChannelsCurrent; // [Internal] current channel number (0)
int _ChannelsCount; // [Internal] number of active channels (1+)
ImVector<ImDrawChannel> _Channels; // [Internal] draw channels for columns API (not resized down so _ChannelsCount may be smaller than _Channels.Size)
ImDrawList() { _OwnerName = NULL; Clear(); }
~ImDrawList() { ClearFreeMemory(); }
@ -1105,8 +1108,8 @@ struct ImDrawList
// Advanced
IMGUI_API void AddCallback(ImDrawCallback callback, void* callback_data); // Your rendering function must check for 'UserCallback' in ImDrawCmd and call the function instead of rendering triangles.
IMGUI_API void AddDrawCmd(); // This is useful if you need to forcefully create a new draw call (to allow for dependent rendering / blending). Otherwise primitives are merged into the same draw-call as much as possible
IMGUI_API void ChannelsSplit(int channel_count);
IMGUI_API void ChannelsMerge(int channel_count);
IMGUI_API void ChannelsSplit(int channels_count);
IMGUI_API void ChannelsMerge();
IMGUI_API void ChannelsSetCurrent(int idx);
// Internal helpers