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(Breaking) CalcWordWrapPositionA() -> CalcWordWrapPosition(), takes size instead of scale as this will be needed.

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ocornut 2025-01-24 18:10:42 +01:00
parent a9146dbbe5
commit f88176a8ea
2 changed files with 13 additions and 8 deletions
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6
imgui.h
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@ -3756,10 +3756,14 @@ 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); // utf8
IMGUI_API const char* CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width);
IMGUI_API const char* CalcWordWrapPosition(float size, const char* text, const char* text_end, float wrap_width);
IMGUI_API void RenderChar(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, ImWchar c);
IMGUI_API void RenderText(ImDrawList* draw_list, float size, const 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);
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
inline const char* CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) { return CalcWordWrapPosition(FontSize * scale, text, text_end, wrap_width); }
#endif
// [Internal] Don't use!
IMGUI_API void ClearOutputData();
IMGUI_API void AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst = true); // Makes 'dst' character/glyph points to 'src' character/glyph. Currently needs to be called AFTER fonts have been built.

15
imgui_draw.cpp
View file

@ -4798,7 +4798,7 @@ bool ImFont::IsGlyphInFont(ImWchar c)
return false;
}
// This is manually inlined in CalcTextSizeA() and CalcWordWrapPositionA(), with a non-inline call to BuildLoadGlyphGetAdvanceOrFallback().
// This is manually inlined in CalcTextSizeA() and CalcWordWrapPosition(), with a non-inline call to BuildLoadGlyphGetAdvanceOrFallback().
IM_MSVC_RUNTIME_CHECKS_OFF
float ImFont::GetCharAdvance(ImWchar c)
{
@ -4829,7 +4829,7 @@ static inline const char* CalcWordWrapNextLineStartA(const char* text, const cha
// Simple word-wrapping for English, not full-featured. Please submit failing cases!
// This will return the next location to wrap from. If no wrapping if necessary, this will fast-forward to e.g. text_end.
// FIXME: Much possible improvements (don't cut things like "word !", "word!!!" but cut within "word,,,,", more sensible support for punctuations, support for Unicode punctuations, etc.)
const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width)
const char* ImFont::CalcWordWrapPosition(float size, const char* text, const char* text_end, float wrap_width)
{
// For references, possible wrap point marked with ^
// "aaa bbb, ccc,ddd. eee fff. ggg!"
@ -4845,6 +4845,7 @@ const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const c
float line_width = 0.0f;
float word_width = 0.0f;
float blank_width = 0.0f;
const float scale = size / FontSize;
wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters
const char* word_end = text;
@ -4952,7 +4953,7 @@ ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, cons
{
// Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature.
if (!word_wrap_eol)
word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width);
word_wrap_eol = CalcWordWrapPosition(size, s, text_end, wrap_width - line_width);
if (s >= word_wrap_eol)
{
@ -5054,10 +5055,10 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, Im
const char* line_end = (const char*)ImMemchr(s, '\n', text_end - s);
if (word_wrap_enabled)
{
// FIXME-OPT: This is not optimal as do first do a search for \n before calling CalcWordWrapPositionA().
// If the specs for CalcWordWrapPositionA() were reworked to optionally return on \n we could combine both.
// FIXME-OPT: This is not optimal as do first do a search for \n before calling CalcWordWrapPosition().
// If the specs for CalcWordWrapPosition() were reworked to optionally return on \n we could combine both.
// However it is still better than nothing performing the fast-forward!
s = CalcWordWrapPositionA(scale, s, line_end ? line_end : text_end, wrap_width);
s = CalcWordWrapPosition(size, s, line_end ? line_end : text_end, wrap_width);
s = CalcWordWrapNextLineStartA(s, text_end);
}
else
@ -5102,7 +5103,7 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, Im
{
// Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature.
if (!word_wrap_eol)
word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - origin_x));
word_wrap_eol = CalcWordWrapPosition(size, s, text_end, wrap_width - (x - origin_x));
if (s >= word_wrap_eol)
{