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Mde it optional to new() io.Font - however it stills needs to be loaded.

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This commit is contained in:
ocornut
2015-01-11 18:27:05 +00:00
parent 51df5874a6
commit 241e8086fa
6 changed files with 21 additions and 15 deletions
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25
imgui.cpp
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@ -417,6 +417,12 @@ ImGuiStyle::ImGuiStyle()
Colors[ImGuiCol_TooltipBg] = ImVec4(0.05f, 0.05f, 0.10f, 0.90f);
}
// We statically allocate a default font storage for the user.
// This allows the user to avoid newing the default font, while keeping IO.Font a pointer which is easy to swap if needed.
// We cannot new() the font because user may override MemAllocFn after the ImGuiIO() constructor is called.
// For the same reason we cannot call LoadDefault() on the font.
static ImFont GDefaultStaticFont;
ImGuiIO::ImGuiIO()
{
memset(this, 0, sizeof(*this));
@ -425,7 +431,7 @@ ImGuiIO::ImGuiIO()
IniSavingRate = 5.0f;
IniFilename = "imgui.ini";
LogFilename = "imgui_log.txt";
Font = NULL;
Font = &GDefaultStaticFont;
FontGlobalScale = 1.0f;
FontAllowUserScaling = false;
PixelCenterOffset = 0.0f;
@ -1663,8 +1669,11 @@ void ImGui::Shutdown()
}
if (g.IO.Font)
{
g.IO.Font->~ImFont();
ImGui::MemFree(g.IO.Font);
if (g.IO.Font != &GDefaultStaticFont)
{
g.IO.Font->~ImFont();
ImGui::MemFree(g.IO.Font);
}
g.IO.Font = NULL;
}
@ -6146,9 +6155,9 @@ void ImDrawList::AddText(ImFont* font, float font_size, const ImVec2& pos, ImU32
if (text_end == NULL)
text_end = text_begin + strlen(text_begin);
const bool push_texture_id = font->TexID != texture_id_stack.back();
if (push_texture_id)
PushTextureID(font->TexID);
const bool push_texture_id = font->TexID != texture_id_stack.back();
if (push_texture_id)
PushTextureID(font->TexID);
// reserve vertices for worse case
const unsigned int char_count = (unsigned int)(text_end - text_begin);
@ -6164,8 +6173,8 @@ void ImDrawList::AddText(ImFont* font, float font_size, const ImVec2& pos, ImU32
commands.back().vtx_count -= (unsigned int)(vtx_count_max - vtx_count);
vtx_write -= (vtx_count_max - vtx_count);
if (push_texture_id)
PopTextureID();
if (push_texture_id)
PopTextureID();
}
void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv0, const ImVec2& uv1, ImU32 col)