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ImDrawList: Fix broken channel splitting (another issue when the first channel is empty) (#2591) + fixed warnings with newer VS

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This commit is contained in:
omar 2019-05-31 11:35:42 +02:00
parent bff7202ff2
commit 8abf1313aa
1 changed files with 3 additions and 2 deletions
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5
imgui_draw.cpp
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@ -47,6 +47,7 @@ Index of this file:
// Visual Studio warnings // Visual Studio warnings
#ifdef _MSC_VER #ifdef _MSC_VER
#pragma warning (disable: 4127) // condition expression is constant
#pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff) #pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen #pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
#endif #endif
@ -565,13 +566,13 @@ void ImDrawList::ChannelsMerge()
return; return;
ChannelsSetCurrent(0); ChannelsSetCurrent(0);
if (CmdBuffer.Size && CmdBuffer.back().ElemCount == 0) if (CmdBuffer.Size != 0 && CmdBuffer.back().ElemCount == 0)
CmdBuffer.pop_back(); CmdBuffer.pop_back();
// Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command. // Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command.
int new_cmd_buffer_count = 0; int new_cmd_buffer_count = 0;
int new_idx_buffer_count = 0; int new_idx_buffer_count = 0;
int idx_offset = CmdBuffer.back().IdxOffset + CmdBuffer.back().ElemCount; int idx_offset = (CmdBuffer.Size != 0) ? (CmdBuffer.back().IdxOffset + CmdBuffer.back().ElemCount) : 0;
for (int i = 1; i < _ChannelsCount; i++) for (int i = 1; i < _ChannelsCount; i++)
{ {
ImDrawChannel& ch = _Channels[i]; ImDrawChannel& ch = _Channels[i];