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DrawList: made AddCallback() assert when passing a null callback.

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ocornut 2025-09-08 15:20:18 +02:00
parent 230418a75d
commit ea8a5a9e17
2 changed files with 2 additions and 0 deletions
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docs/CHANGELOG.txt
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@ -71,6 +71,7 @@ Other Changes:
unmoved. We revert back to move to the end of line in this situation. unmoved. We revert back to move to the end of line in this situation.
- DrawList: fixed CloneOutput() unnecessarily taking a copy of the ImDrawListSharedData - DrawList: fixed CloneOutput() unnecessarily taking a copy of the ImDrawListSharedData
pointer, which could to issue when deleting the cloned list. (#8894, #1860) pointer, which could to issue when deleting the cloned list. (#8894, #1860)
- DrawList: made AddCallback() assert when passing a null callback.
- Debug Tools: ID Stack Tool: fixed using fixed-size buffers preventing long identifiers - Debug Tools: ID Stack Tool: fixed using fixed-size buffers preventing long identifiers
from being displayed in the tool. (#8905, #4631) from being displayed in the tool. (#8905, #4631)
- Debug Tools: ID Stack Tool: when ### is used, uncontributing prefix before the ### - Debug Tools: ID Stack Tool: when ### is used, uncontributing prefix before the ###

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imgui_draw.cpp
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@ -518,6 +518,7 @@ void ImDrawList::AddCallback(ImDrawCallback callback, void* userdata, size_t use
{ {
IM_ASSERT_PARANOID(CmdBuffer.Size > 0); IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
IM_ASSERT(callback != NULL);
IM_ASSERT(curr_cmd->UserCallback == NULL); IM_ASSERT(curr_cmd->UserCallback == NULL);
if (curr_cmd->ElemCount != 0) if (curr_cmd->ElemCount != 0)
{ {