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Merge thedmd/feature/font-line-spacing into ImGui.

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Bartosz Taudul
2021-12-23 14:17:01 +01:00
parent b83cda575a
commit e822dde7e1
6 changed files with 155 additions and 99 deletions
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imgui/imgui.h
+9 -3
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@@ -433,7 +433,9 @@ namespace ImGui
// Style read access
// - Use the style editor (ShowStyleEditor() function) to interactively see what the colors are)
IMGUI_API ImFont* GetFont(); // get current font
IMGUI_API float GetFontSize(); // get current font size (= height in pixels) of current font with current scale applied
IMGUI_API float GetFontSize(); // get current font size, mostly used in context where width should be determined (= size in pixels) of current font with current scale applied
IMGUI_API float GetFontLineHeight(); // get current font line height (in pixels) of current font with current scale applied
IMGUI_API float GetFontBaselineOffset(); // get current font baseline offset (in pixels) of current font with current scale applied
IMGUI_API ImVec2 GetFontTexUvWhitePixel(); // get UV coordinate for a while pixel, useful to draw custom shapes via the ImDrawList API
IMGUI_API ImU32 GetColorU32(ImGuiCol idx, float alpha_mul = 1.0f); // retrieve given style color with style alpha applied and optional extra alpha multiplier, packed as a 32-bit value suitable for ImDrawList
IMGUI_API ImU32 GetColorU32(const ImVec4& col); // retrieve given color with style alpha applied, packed as a 32-bit value suitable for ImDrawList
@@ -2551,6 +2553,7 @@ struct ImDrawList
IMGUI_API void AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments);
IMGUI_API void AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL);
IMGUI_API void AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL, float wrap_width = 0.0f, const ImVec4* cpu_fine_clip_rect = NULL);
IMGUI_API void AddText(const ImFont* font, float font_size, float font_line_height, float font_baseline_offset, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL, float wrap_width = 0.0f, const ImVec4* cpu_fine_clip_rect = NULL);
IMGUI_API void AddPolyline(const ImVec2* points, int num_points, ImU32 col, ImDrawFlags flags, float thickness);
IMGUI_API void AddConvexPolyFilled(const ImVec2* points, int num_points, ImU32 col); // Note: Anti-aliased filling requires points to be in clockwise order.
IMGUI_API void AddBezierCubic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments = 0); // Cubic Bezier (4 control points)
@@ -2864,6 +2867,8 @@ struct ImFont
ImWchar DotChar; // 2 // out // = '.' // Character used for ellipsis rendering (if a single '...' character isn't found)
bool DirtyLookupTables; // 1 // out //
float Scale; // 4 // in // = 1.f // Base font scale, multiplied by the per-window font scale which you can adjust with SetWindowFontScale()
float ExtraLineHeight; // 4 // in // // Amount of space to be added to line height. Using negative values are allowed. (You need to call ImGui::SetCurrentFont() to populate these values when you're expecting immediate response.)
float BaselineOffset; // 4 // in // // Font baseline will be modified by this value while drawing. (You need to call ImGui::SetCurrentFont() to populate these values when you're expecting immediate response.)
float Ascent, Descent; // 4+4 // out // // Ascent: distance from top to bottom of e.g. 'A' [0..FontSize]
int MetricsTotalSurface;// 4 // out // // Total surface in pixels to get an idea of the font rasterization/texture cost (not exact, we approximate the cost of padding between glyphs)
ImU8 Used4kPagesMap[(IM_UNICODE_CODEPOINT_MAX+1)/4096/8]; // 2 bytes if ImWchar=ImWchar16, 34 bytes if ImWchar==ImWchar32. Store 1-bit for each block of 4K codepoints that has one active glyph. This is mainly used to facilitate iterations across all used codepoints.
@@ -2879,10 +2884,11 @@ struct ImFont
// 'max_width' stops rendering after a certain width (could be turned into a 2d size). FLT_MAX to disable.
// 'wrap_width' enable automatic word-wrapping across multiple lines to fit into given width. 0.0f to disable.
IMGUI_API ImVec2 CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end = NULL, const char** remaining = NULL) const; // utf8
IMGUI_API ImVec2 CalcTextSizeA(float size, float line_height, float max_width, float wrap_width, const char* text_begin, const char* text_end = NULL, const char** remaining = NULL) const; // utf8
IMGUI_API const char* CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const;
IMGUI_API void RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const;
IMGUI_API void RenderChar(ImDrawList* draw_list, float size, float line_height, ImVec2 pos, ImU32 col, ImWchar c) const;
IMGUI_API void RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width = 0.0f, bool cpu_fine_clip = false) const;
IMGUI_API void RenderText(ImDrawList* draw_list, float size, float line_height, float baseline_offset, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width = 0.0f, bool cpu_fine_clip = false) const;
// [Internal] Don't use!
IMGUI_API void BuildLookupTable();