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Renamed ImFont::GlyphRangesBuilder to ImFontGlyphRangesBuilder. Keep redirection typedef (will obsolete).
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@ -39,6 +39,7 @@ Breaking Changes:
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The addition of new configuration options in the Docking branch is pushing for a little reorganization of those names.
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- Made it illegal to call Begin("") with an empty string. This somehow accidentally worked before but had various
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undesirable side-effect as the window would have ID zero. In particular it is causing problems in viewport/docking branches.
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- Renamed ImFontAtlas::GlyphRangesBuilder to ImFontGlyphRangesBuilder. Keep redirection typedef (will obsolete).
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Other Changes:
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- Added BETA api for Tab Bar/Tabs widgets: (#261, #351)
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@ -734,6 +735,7 @@ Breaking Changes:
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- Removed `IsItemRectHovered()`, `IsWindowRectHovered()` recently introduced in 1.51 which were merely the more consistent/correct names for the above functions which are now obsolete anyway. (#1382)
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- Changed `IsWindowHovered()` default parameters behavior to return false if an item is active in another window (e.g. click-dragging item from another window to this window). You can use the newly introduced IsWindowHovered() flags to requests this specific behavior if you need it. (#1382)
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- Renamed imconfig.h's `IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCS`/`IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCS` to `IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS`/`IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS` for consistency.
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- Renamed ImFont::Glyph to ImFontGlyph. Keep redirection typedef (will obsolete).
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Other Changes:
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@ -363,7 +363,8 @@ CODE
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When you are not sure about a old symbol or function name, try using the Search/Find function of your IDE to look for comments or references in all imgui files.
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You can read releases logs https://github.com/ocornut/imgui/releases for more details.
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- 2019/01/04 (1.67) - renamed io.InputCharacters[], marked internal as was always intended. Please don't access directly, and use AddInputCharacter() instead!
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- 2019/01/06 (1.67) - renamed io.InputCharacters[], marked internal as was always intended. Please don't access directly, and use AddInputCharacter() instead!
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- 2019/01/06 (1.67) - renamed ImFontAtlas::GlyphRangesBuilder to ImFontGlyphRangesBuilder. Keep redirection typedef (will obsolete).
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- 2018/12/10 (1.67) - renamed io.ConfigResizeWindowsFromEdges to io.ConfigWindowsResizeFromEdges as we are doing a large pass on configuration flags.
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- 2018/10/12 (1.66) - renamed misc/stl/imgui_stl.* to misc/cpp/imgui_stdlib.* in prevision for other C++ helper files.
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- 2018/09/28 (1.66) - renamed SetScrollHere() to SetScrollHereY(). Kept redirection function (will obsolete).
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@ -431,6 +432,7 @@ CODE
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removed the IsItemRectHovered()/IsWindowRectHovered() names introduced in 1.51 since they were merely more consistent names for the two functions we are now obsoleting.
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- 2017/10/17 (1.52) - marked the old 5-parameters version of Begin() as obsolete (still available). Use SetNextWindowSize()+Begin() instead!
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- 2017/10/11 (1.52) - renamed AlignFirstTextHeightToWidgets() to AlignTextToFramePadding(). Kept inline redirection function (will obsolete).
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- 2017/09/26 (1.52) - renamed ImFont::Glyph to ImFontGlyph. Keep redirection typedef (will obsolete).
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- 2017/09/25 (1.52) - removed SetNextWindowPosCenter() because SetNextWindowPos() now has the optional pivot information to do the same and more. Kept redirection function (will obsolete).
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- 2017/08/25 (1.52) - io.MousePos needs to be set to ImVec2(-FLT_MAX,-FLT_MAX) when mouse is unavailable/missing. Previously ImVec2(-1,-1) was enough but we now accept negative mouse coordinates. In your binding if you need to support unavailable mouse, make sure to replace "io.MousePos = ImVec2(-1,-1)" with "io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX)".
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- 2017/08/22 (1.51) - renamed IsItemHoveredRect() to IsItemRectHovered(). Kept inline redirection function (will obsolete). -> (1.52) use IsItemHovered(ImGuiHoveredFlags_RectOnly)!
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@ -822,7 +824,7 @@ CODE
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// Or create your own custom ranges (e.g. for a game you can feed your entire game script and only build the characters the game need)
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ImVector<ImWchar> ranges;
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ImFontAtlas::GlyphRangesBuilder builder;
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ImFontGlyphRangesBuilder builder;
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builder.AddText("Hello world"); // Add a string (here "Hello world" contains 7 unique characters)
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builder.AddChar(0x7262); // Add a specific character
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builder.AddRanges(io.Fonts->GetGlyphRangesJapanese()); // Add one of the default ranges
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46
imgui.h
46
imgui.h
@ -86,15 +86,17 @@ Index of this file:
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// Forward declarations and basic types
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//-----------------------------------------------------------------------------
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struct ImDrawChannel; // Temporary storage for outputting drawing commands out of order, used by ImDrawList::ChannelsSplit()
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struct ImDrawCmd; // A single draw command within a parent ImDrawList (generally maps to 1 GPU draw call)
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struct ImDrawData; // All draw command lists required to render the frame
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struct ImDrawChannel; // Temporary storage for ImDrawList ot output draw commands out of order, used by ImDrawList::ChannelsSplit()
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struct ImDrawCmd; // A single draw command within a parent ImDrawList (generally maps to 1 GPU draw call, unless it is a callback)
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struct ImDrawData; // All draw command lists required to render the frame + pos/size coordinates to use for the projection matrix.
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struct ImDrawList; // A single draw command list (generally one per window, conceptually you may see this as a dynamic "mesh" builder)
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struct ImDrawListSharedData; // Data shared among multiple draw lists (typically owned by parent ImGui context, but you may create one yourself)
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struct ImDrawVert; // A single vertex (20 bytes by default, override layout with IMGUI_OVERRIDE_DRAWVERT_STRUCT_LAYOUT)
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struct ImDrawVert; // A single vertex (pos + uv + col = 20 bytes by default. Override layout with IMGUI_OVERRIDE_DRAWVERT_STRUCT_LAYOUT)
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struct ImFont; // Runtime data for a single font within a parent ImFontAtlas
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struct ImFontAtlas; // Runtime data for multiple fonts, bake multiple fonts into a single texture, TTF/OTF font loader
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struct ImFontConfig; // Configuration data when adding a font or merging fonts
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struct ImFontGlyph; // A single font glyph (code point + coordinates within in ImFontAtlas + offset)
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struct ImFontGlyphRangesBuilder; // Helper to build glyph ranges from text/string data
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struct ImColor; // Helper functions to create a color that can be converted to either u32 or float4 (*OBSOLETE* please avoid using)
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#ifndef ImTextureID
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typedef void* ImTextureID; // User data to identify a texture (this is whatever to you want it to be! read the FAQ about ImTextureID in imgui.cpp)
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@ -108,8 +110,8 @@ struct ImGuiPayload; // User data payload for drag and drop opera
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struct ImGuiSizeCallbackData; // Callback data when using SetNextWindowSizeConstraints() (rare/advanced use)
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struct ImGuiStorage; // Helper for key->value storage
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struct ImGuiStyle; // Runtime data for styling/colors
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struct ImGuiTextFilter; // Helper to parse and apply text filters (e.g. "aaaaa[,bbbb][,ccccc]")
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struct ImGuiTextBuffer; // Helper to hold and append into a text buffer (~string builder)
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struct ImGuiTextFilter; // Helper to parse and apply text filters (e.g. "aaaaa[,bbbb][,ccccc]")
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// Typedefs and Enums/Flags (declared as int for compatibility with old C++, to allow using as flags and to not pollute the top of this file)
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// Use your programming IDE "Go to definition" facility on the names of the center columns to find the actual flags/enum lists.
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@ -1902,7 +1904,7 @@ struct ImDrawData
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};
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//-----------------------------------------------------------------------------
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// Font API (ImFontConfig, ImFontGlyph, ImFontAtlasFlags, ImFontAtlas, ImFont)
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// Font API (ImFontConfig, ImFontGlyph, ImFontAtlasFlags, ImFontAtlas, ImFontGlyphRangesBuilder, ImFont)
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//-----------------------------------------------------------------------------
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struct ImFontConfig
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@ -1939,6 +1941,19 @@ struct ImFontGlyph
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float U0, V0, U1, V1; // Texture coordinates
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};
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// Helper to build glyph ranges from text/string data. Feed your application strings/characters to it then call BuildRanges().
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struct ImFontGlyphRangesBuilder
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{
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ImVector<unsigned char> UsedChars; // Store 1-bit per Unicode code point (0=unused, 1=used)
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ImFontGlyphRangesBuilder() { UsedChars.resize(0x10000 / 8); memset(UsedChars.Data, 0, 0x10000 / 8); }
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bool GetBit(int n) const { return (UsedChars[n >> 3] & (1 << (n & 7))) != 0; }
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void SetBit(int n) { UsedChars[n >> 3] |= 1 << (n & 7); } // Set bit 'c' in the array
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void AddChar(ImWchar c) { SetBit(c); } // Add character
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IMGUI_API void AddText(const char* text, const char* text_end = NULL); // Add string (each character of the UTF-8 string are added)
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IMGUI_API void AddRanges(const ImWchar* ranges); // Add ranges, e.g. builder.AddRanges(ImFontAtlas::GetGlyphRangesDefault()) to force add all of ASCII/Latin+Ext
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IMGUI_API void BuildRanges(ImVector<ImWchar>* out_ranges); // Output new ranges
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};
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enum ImFontAtlasFlags_
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{
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ImFontAtlasFlags_None = 0,
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@ -1995,7 +2010,7 @@ struct ImFontAtlas
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// Helpers to retrieve list of common Unicode ranges (2 value per range, values are inclusive, zero-terminated list)
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// NB: Make sure that your string are UTF-8 and NOT in your local code page. In C++11, you can create UTF-8 string literal using the u8"Hello world" syntax. See FAQ for details.
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// NB: Consider using GlyphRangesBuilder to build glyph ranges from textual data.
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// NB: Consider using ImFontGlyphRangesBuilder to build glyph ranges from textual data.
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IMGUI_API const ImWchar* GetGlyphRangesDefault(); // Basic Latin, Extended Latin
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IMGUI_API const ImWchar* GetGlyphRangesKorean(); // Default + Korean characters
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IMGUI_API const ImWchar* GetGlyphRangesJapanese(); // Default + Hiragana, Katakana, Half-Width, Selection of 1946 Ideographs
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@ -2004,19 +2019,6 @@ struct ImFontAtlas
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IMGUI_API const ImWchar* GetGlyphRangesCyrillic(); // Default + about 400 Cyrillic characters
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IMGUI_API const ImWchar* GetGlyphRangesThai(); // Default + Thai characters
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// Helpers to build glyph ranges from text data. Feed your application strings/characters to it then call BuildRanges().
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struct GlyphRangesBuilder
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{
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ImVector<unsigned char> UsedChars; // Store 1-bit per Unicode code point (0=unused, 1=used)
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GlyphRangesBuilder() { UsedChars.resize(0x10000 / 8); memset(UsedChars.Data, 0, 0x10000 / 8); }
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bool GetBit(int n) const { return (UsedChars[n >> 3] & (1 << (n & 7))) != 0; }
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void SetBit(int n) { UsedChars[n >> 3] |= 1 << (n & 7); } // Set bit 'c' in the array
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void AddChar(ImWchar c) { SetBit(c); } // Add character
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IMGUI_API void AddText(const char* text, const char* text_end = NULL); // Add string (each character of the UTF-8 string are added)
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IMGUI_API void AddRanges(const ImWchar* ranges); // Add ranges, e.g. builder.AddRanges(ImFontAtlas::GetGlyphRangesDefault()) to force add all of ASCII/Latin+Ext
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IMGUI_API void BuildRanges(ImVector<ImWchar>* out_ranges); // Output new ranges
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};
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//-------------------------------------------
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// Custom Rectangles/Glyphs API
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//-------------------------------------------
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@ -2065,6 +2067,10 @@ struct ImFontAtlas
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ImVector<CustomRect> CustomRects; // Rectangles for packing custom texture data into the atlas.
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ImVector<ImFontConfig> ConfigData; // Internal data
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int CustomRectIds[1]; // Identifiers of custom texture rectangle used by ImFontAtlas/ImDrawList
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#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
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typedef ImFontGlyphRangesBuilder GlyphRangesBuilder; // OBSOLETE 1.67+
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#endif
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};
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// Font runtime data and rendering
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@ -12,7 +12,8 @@ Index of this file:
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// [SECTION] Helpers ShadeVertsXXX functions
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// [SECTION] ImFontConfig
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// [SECTION] ImFontAtlas
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// [SECTION] ImFontAtlas glyph ranges helpers + GlyphRangesBuilder
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// [SECTION] ImFontAtlas glyph ranges helpers
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// [SECTION] ImFontGlyphRangesBuilder
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// [SECTION] ImFont
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// [SECTION] Internal Render Helpers
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// [SECTION] Decompression code
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@ -2092,7 +2093,7 @@ static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short*
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}
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//-------------------------------------------------------------------------
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// [SECTION] ImFontAtlas glyph ranges helpers + GlyphRangesBuilder
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// [SECTION] ImFontAtlas glyph ranges helpers
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//-------------------------------------------------------------------------
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const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon()
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@ -2100,7 +2101,7 @@ const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon()
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// Store 2500 regularly used characters for Simplified Chinese.
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// Sourced from https://zh.wiktionary.org/wiki/%E9%99%84%E5%BD%95:%E7%8E%B0%E4%BB%A3%E6%B1%89%E8%AF%AD%E5%B8%B8%E7%94%A8%E5%AD%97%E8%A1%A8
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// This table covers 97.97% of all characters used during the month in July, 1987.
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// You can use ImFontAtlas::GlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
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// You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
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// (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
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static const short accumulative_offsets_from_0x4E00[] =
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{
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@ -2166,7 +2167,7 @@ const ImWchar* ImFontAtlas::GetGlyphRangesJapanese()
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// 1946 common ideograms code points for Japanese
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// Sourced from http://theinstructionlimit.com/common-kanji-character-ranges-for-xna-spritefont-rendering
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// FIXME: Source a list of the revised 2136 Joyo Kanji list from 2010 and rebuild this.
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// You can use ImFontAtlas::GlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
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// You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
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// (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
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static const short accumulative_offsets_from_0x4E00[] =
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{
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@ -2244,7 +2245,11 @@ const ImWchar* ImFontAtlas::GetGlyphRangesThai()
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return &ranges[0];
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}
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void ImFontAtlas::GlyphRangesBuilder::AddText(const char* text, const char* text_end)
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//-----------------------------------------------------------------------------
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// [SECTION] ImFontGlyphRangesBuilder
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//-----------------------------------------------------------------------------
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void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end)
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{
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while (text_end ? (text < text_end) : *text)
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{
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@ -2258,14 +2263,14 @@ void ImFontAtlas::GlyphRangesBuilder::AddText(const char* text, const char* text
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}
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}
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void ImFontAtlas::GlyphRangesBuilder::AddRanges(const ImWchar* ranges)
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void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges)
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{
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for (; ranges[0]; ranges += 2)
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for (ImWchar c = ranges[0]; c <= ranges[1]; c++)
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AddChar(c);
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}
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void ImFontAtlas::GlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
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void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
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{
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for (int n = 0; n < 0x10000; n++)
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if (GetBit(n))
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@ -119,8 +119,8 @@ Mind the fact that some graphics drivers have texture size limitation.
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If you are building a PC application, mind the fact that your users may use hardware with lower limitations than yours.
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Some solutions:
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- 1) Reduce glyphs ranges by calculating them from source localization data. You can use ImFont::GlyphRangesBuilder for this purpose,
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this will be the biggest win.
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- 1) Reduce glyphs ranges by calculating them from source localization data.
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You can use ImFontGlyphRangesBuilder for this purpose, this will be the biggest win!
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- 2) You may reduce oversampling, e.g. config.OversampleH = config.OversampleV = 1, this will largely reduce your texture size.
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- 3) Set io.Fonts.TexDesiredWidth to specify a texture width to minimize texture height (see comment in ImFontAtlas::Build function).
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- 4) Set io.Fonts.Flags |= ImFontAtlasFlags_NoPowerOfTwoHeight; to disable rounding the texture height to the next power of two.
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@ -177,11 +177,11 @@ Also note that correct sRGB space blending will have an important effect on your
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BUILDING CUSTOM GLYPH RANGES
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---------------------------------------
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You can use the ImFontAtlas::GlyphRangesBuilder helper to create glyph ranges based on text input.
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You can use the ImFontGlyphRangesBuilder helper to create glyph ranges based on text input.
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For example: for a game where your script is known, if you can feed your entire script to it and only build the characters the game needs.
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ImVector<ImWchar> ranges;
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ImFontAtlas::GlyphRangesBuilder builder;
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ImFontGlyphRangesBuilder builder;
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builder.AddText("Hello world"); // Add a string (here "Hello world" contains 7 unique characters)
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builder.AddChar(0x7262); // Add a specific character
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builder.AddRanges(io.Fonts->GetGlyphRangesJapanese()); // Add one of the default ranges
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