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https://github.com/Drezil/imgui.git
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ImFontAtlas: Moved mouse cursor data out of ImGuiContext, fix drawing them with multiple context. Also remove the last remaining undesirable dependency on GImGui in imgui_draw.cpp, finishing the work recently done with ImDrawListSharedData. Hurra! (#939)
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omar
parent
7e7c017b75
commit
cd1409f4bf
15
imgui.cpp
15
imgui.cpp
@ -3069,17 +3069,16 @@ void ImGui::Render()
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g.DrawDataBuilder.FlattenIntoSingleLayer();
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// Draw software mouse cursor if requested
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if (g.IO.MouseDrawCursor)
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ImVec2 offset, size, uv[4];
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if (g.IO.MouseDrawCursor && g.IO.Fonts->GetMouseCursorTexData(g.MouseCursor, &offset, &size, &uv[0], &uv[2]))
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{
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const ImGuiMouseCursorData& cursor_data = g.MouseCursorData[g.MouseCursor];
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const ImVec2 pos = g.IO.MousePos - cursor_data.HotOffset;
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const ImVec2 size = cursor_data.Size;
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const ImVec2 pos = g.IO.MousePos - offset;
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const ImTextureID tex_id = g.IO.Fonts->TexID;
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g.OverlayDrawList.PushTextureID(tex_id);
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g.OverlayDrawList.AddImage(tex_id, pos+ImVec2(1,0), pos+ImVec2(1,0) + size, cursor_data.TexUvMin[1], cursor_data.TexUvMax[1], IM_COL32(0,0,0,48)); // Shadow
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g.OverlayDrawList.AddImage(tex_id, pos+ImVec2(2,0), pos+ImVec2(2,0) + size, cursor_data.TexUvMin[1], cursor_data.TexUvMax[1], IM_COL32(0,0,0,48)); // Shadow
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g.OverlayDrawList.AddImage(tex_id, pos, pos + size, cursor_data.TexUvMin[1], cursor_data.TexUvMax[1], IM_COL32(0,0,0,255)); // Black border
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g.OverlayDrawList.AddImage(tex_id, pos, pos + size, cursor_data.TexUvMin[0], cursor_data.TexUvMax[0], IM_COL32(255,255,255,255)); // White fill
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g.OverlayDrawList.AddImage(tex_id, pos+ImVec2(1,0), pos+ImVec2(1,0) + size, uv[2], uv[3], IM_COL32(0,0,0,48)); // Shadow
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g.OverlayDrawList.AddImage(tex_id, pos+ImVec2(2,0), pos+ImVec2(2,0) + size, uv[2], uv[3], IM_COL32(0,0,0,48)); // Shadow
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g.OverlayDrawList.AddImage(tex_id, pos, pos + size, uv[2], uv[3], IM_COL32(0,0,0,255)); // Black border
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g.OverlayDrawList.AddImage(tex_id, pos, pos + size, uv[0], uv[1], IM_COL32(255,255,255,255)); // White fill
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g.OverlayDrawList.PopTextureID();
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}
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if (!g.OverlayDrawList.VtxBuffer.empty())
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5
imgui.h
5
imgui.h
@ -1611,9 +1611,12 @@ struct ImFontAtlas
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IMGUI_API int AddCustomRectRegular(unsigned int id, int width, int height); // Id needs to be >= 0x10000. Id >= 0x80000000 are reserved for ImGui and ImDrawList
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IMGUI_API int AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset = ImVec2(0,0)); // Id needs to be < 0x10000 to register a rectangle to map into a specific font.
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IMGUI_API void CalcCustomRectUV(const CustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max);
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const CustomRect* GetCustomRectByIndex(int index) const { if (index < 0) return NULL; return &CustomRects[index]; }
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// Internals
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IMGUI_API void CalcCustomRectUV(const CustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max);
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IMGUI_API bool GetMouseCursorTexData(ImGuiMouseCursor cursor, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2]);
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//-------------------------------------------
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// Members
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//-------------------------------------------
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@ -1352,7 +1352,6 @@ static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_Count_][
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{ ImVec2(55,0), ImVec2(17,17), ImVec2( 9, 9) }, // ImGuiMouseCursor_ResizeNWSE
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};
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ImFontAtlas::ImFontAtlas()
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{
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TexID = NULL;
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@ -1609,6 +1608,26 @@ void ImFontAtlas::CalcCustomRectUV(const CustomRect* rect, ImVec2* out_uv_min, I
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*out_uv_max = ImVec2((float)(rect->X + rect->Width) / TexWidth, (float)(rect->Y + rect->Height) / TexHeight);
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}
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bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2])
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{
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if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_Count_)
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return false;
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ImFontAtlas::CustomRect& r = CustomRects[CustomRectIds[0]];
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IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
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ImVec2 uv_scale(1.0f / TexWidth, 1.0f / TexHeight);
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ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r.X, (float)r.Y);
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ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1];
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*out_size = size;
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*out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2];
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out_uv_border[0] = (pos) * uv_scale;
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out_uv_border[1] = (pos + size) * uv_scale;
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pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
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out_uv_fill[0] = (pos) * uv_scale;
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out_uv_fill[1] = (pos + size) * uv_scale;
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return true;
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}
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bool ImFontAtlas::Build()
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{
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return ImFontAtlasBuildWithStbTruetype(this);
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@ -1891,22 +1910,6 @@ static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
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}
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const ImVec2 tex_uv_scale(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight);
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atlas->TexUvWhitePixel = ImVec2((r.X + 0.5f) * tex_uv_scale.x, (r.Y + 0.5f) * tex_uv_scale.y);
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// Setup mouse cursors
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for (int type = 0; type < ImGuiMouseCursor_Count_; type++)
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{
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ImGuiMouseCursorData& cursor_data = GImGui->MouseCursorData[type];
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ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[type][0] + ImVec2((float)r.X, (float)r.Y);
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const ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[type][1];
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cursor_data.Type = type;
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cursor_data.Size = size;
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cursor_data.HotOffset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[type][2];
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cursor_data.TexUvMin[0] = (pos) * tex_uv_scale;
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cursor_data.TexUvMax[0] = (pos + size) * tex_uv_scale;
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pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
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cursor_data.TexUvMin[1] = (pos) * tex_uv_scale;
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cursor_data.TexUvMax[1] = (pos + size) * tex_uv_scale;
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}
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}
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void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
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@ -38,7 +38,6 @@ struct ImGuiGroupData;
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struct ImGuiMenuColumns;
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struct ImGuiDrawContext;
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struct ImGuiTextEditState;
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struct ImGuiMouseCursorData;
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struct ImGuiPopupRef;
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struct ImGuiWindow;
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struct ImGuiWindowSettings;
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@ -382,16 +381,6 @@ struct ImGuiSettingsHandler
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ImGuiSettingsHandler() { memset(this, 0, sizeof(*this)); }
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};
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// Mouse cursor data (used when io.MouseDrawCursor is set)
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struct ImGuiMouseCursorData
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{
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ImGuiMouseCursor Type;
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ImVec2 HotOffset;
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ImVec2 Size;
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ImVec2 TexUvMin[2];
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ImVec2 TexUvMax[2];
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};
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// Storage for current popup stack
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struct ImGuiPopupRef
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{
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@ -557,7 +546,6 @@ struct ImGuiContext
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float ModalWindowDarkeningRatio;
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ImDrawList OverlayDrawList; // Optional software render of mouse cursors, if io.MouseDrawCursor is set + a few debug overlays
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ImGuiMouseCursor MouseCursor;
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ImGuiMouseCursorData MouseCursorData[ImGuiMouseCursor_Count_];
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// Drag and Drop
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bool DragDropActive;
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@ -645,7 +633,6 @@ struct ImGuiContext
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OverlayDrawList._Data = &DrawListSharedData;
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OverlayDrawList._OwnerName = "##Overlay"; // Give it a name for debugging
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MouseCursor = ImGuiMouseCursor_Arrow;
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memset(MouseCursorData, 0, sizeof(MouseCursorData));
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DragDropActive = false;
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DragDropSourceFlags = 0;
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