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OpenRCT2/src/openrct2/drawing/Drawing.String.cpp
2025-12-20 11:43:51 +01:00

899 lines
26 KiB
C++

/*****************************************************************************
* Copyright (c) 2014-2025 OpenRCT2 developers
*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#include "../drawing/Drawing.String.h"
#include "../Context.h"
#include "../SpriteIds.h"
#include "../config/Config.h"
#include "../core/CodepointView.hpp"
#include "../core/String.hpp"
#include "../core/UTF8.h"
#include "../core/UnicodeChar.h"
#include "../drawing/IDrawingContext.h"
#include "../drawing/IDrawingEngine.h"
#include "../drawing/Text.h"
#include "../interface/ColourWithFlags.h"
#include "../interface/Viewport.h"
#include "../localisation/Formatting.h"
#include "../localisation/LocalisationService.h"
#include "../platform/Platform.h"
#include "TTF.h"
using namespace OpenRCT2;
static int32_t TTFGetStringWidth(std::string_view text, FontStyle fontStyle, bool noFormatting);
/**
*
* rct2: 0x006C23B1
*/
int32_t GfxGetStringWidthNewLined(std::string_view text, FontStyle fontStyle)
{
u8string buffer;
std::optional<int32_t> maxWidth;
FmtString fmt(text);
for (const auto& token : fmt)
{
if (token.kind == FormatToken::newline || token.kind == FormatToken::newlineSmall)
{
auto width = GfxGetStringWidth(buffer, fontStyle);
if (!maxWidth.has_value() || maxWidth.value() > width)
{
maxWidth = width;
}
buffer.clear();
}
else
{
buffer.append(token.text);
}
}
if (!maxWidth.has_value())
{
maxWidth = GfxGetStringWidth(buffer, fontStyle);
}
return maxWidth.value();
}
/**
* Return the width of the string in buffer
*
* rct2: 0x006C2321
* buffer (esi)
*/
int32_t GfxGetStringWidth(std::string_view text, FontStyle fontStyle)
{
return TTFGetStringWidth(text, fontStyle, false);
}
int32_t GfxGetStringWidthNoFormatting(std::string_view text, FontStyle fontStyle)
{
return TTFGetStringWidth(text, fontStyle, true);
}
/**
* Clip the text in buffer to width, add ellipsis and return the new width of the clipped string
*
* rct2: 0x006C2460
* buffer (esi)
* width (edi)
*/
int32_t GfxClipString(utf8* text, int32_t width, FontStyle fontStyle)
{
if (width < 6)
{
*text = 0;
return 0;
}
// If width of the full string is less than allowed width then we don't need to clip
auto clippedWidth = GfxGetStringWidth(text, fontStyle);
if (clippedWidth <= width)
{
return clippedWidth;
}
// Append each character 1 by 1 with an ellipsis on the end until width is exceeded
thread_local std::string buffer;
buffer.clear();
size_t bestLength = 0;
int32_t bestWidth = 0;
FmtString fmt(text);
for (const auto& token : fmt)
{
CodepointView codepoints(token.text);
for (auto codepoint : codepoints)
{
// Add the ellipsis before checking the width
buffer.append("...");
auto currentWidth = GfxGetStringWidth(buffer, fontStyle);
if (currentWidth < width)
{
bestLength = buffer.size();
bestWidth = currentWidth;
// Trim the ellipsis
buffer.resize(bestLength - 3);
}
else
{
// Width exceeded, rollback to best length and put ellipsis back
buffer.resize(bestLength);
for (auto i = static_cast<int32_t>(bestLength) - 1; i >= 0 && i >= static_cast<int32_t>(bestLength) - 3; i--)
{
buffer[i] = '.';
}
// Copy buffer back to input text buffer
std::strcpy(text, buffer.c_str());
return bestWidth;
}
char cb[8]{};
UTF8WriteCodepoint(cb, codepoint);
buffer.append(cb);
}
}
return GfxGetStringWidth(text, fontStyle);
}
/**
* Wrap the text in buffer to width, returns width of longest line.
*
* Inserts NULL where line should break (as \n is used for something else),
* so the number of lines is returned in num_lines. font_height seems to be
* a control character for line height.
*
* rct2: 0x006C21E2
* buffer (esi)
* width (edi) - in
* num_lines (edi) - out
* font_height (ebx) - out
*/
int32_t GfxWrapString(u8string_view text, int32_t width, FontStyle fontStyle, u8string* outWrappedText, int32_t* outNumLines)
{
constexpr size_t kNullIndex = std::numeric_limits<size_t>::max();
u8string buffer;
size_t currentLineIndex = 0;
size_t splitIndex = kNullIndex;
size_t bestSplitIndex = kNullIndex;
size_t numLines = 0;
int32_t maxWidth = 0;
FmtString fmt(text);
for (const auto& token : fmt)
{
if (token.IsLiteral())
{
CodepointView codepoints(token.text);
for (auto codepoint : codepoints)
{
char cb[8]{};
UTF8WriteCodepoint(cb, codepoint);
buffer.append(cb);
auto lineWidth = GfxGetStringWidth(&buffer[currentLineIndex], fontStyle);
if (lineWidth <= width || (splitIndex == kNullIndex && bestSplitIndex == kNullIndex))
{
if (codepoint == ' ')
{
// Mark line split here
splitIndex = buffer.size() - 1;
}
else if (splitIndex == kNullIndex)
{
// Mark line split here (this is after first character of line)
bestSplitIndex = buffer.size();
}
}
else
{
// Insert new line before current word
if (splitIndex == kNullIndex)
{
splitIndex = bestSplitIndex;
}
buffer.insert(buffer.begin() + splitIndex, '\0');
// Recalculate the line length after splitting
lineWidth = GfxGetStringWidth(&buffer[currentLineIndex], fontStyle);
maxWidth = std::max(maxWidth, lineWidth);
numLines++;
currentLineIndex = splitIndex + 1;
splitIndex = kNullIndex;
bestSplitIndex = kNullIndex;
// Trim the beginning of the new line
while (buffer[currentLineIndex] == ' ')
{
buffer.erase(buffer.begin() + currentLineIndex);
}
}
}
}
else if (token.kind == FormatToken::newline)
{
buffer.push_back('\0');
auto lineWidth = GfxGetStringWidth(&buffer[currentLineIndex], fontStyle);
maxWidth = std::max(maxWidth, lineWidth);
numLines++;
currentLineIndex = buffer.size();
splitIndex = kNullIndex;
bestSplitIndex = kNullIndex;
}
else
{
buffer.append(token.text);
}
}
{
// Final line width calculation
auto lineWidth = GfxGetStringWidth(&buffer[currentLineIndex], fontStyle);
maxWidth = std::max(maxWidth, lineWidth);
}
if (outWrappedText != nullptr)
{
*outWrappedText = std::move(buffer);
}
if (outNumLines != nullptr)
{
*outNumLines = static_cast<int32_t>(numLines);
}
return maxWidth;
}
/**
* Draws text that is left aligned and vertically centred.
*/
void GfxDrawStringLeftCentred(
RenderTarget& rt, StringId format, void* args, ColourWithFlags colour, const ScreenCoordsXY& coords)
{
char buffer[512];
auto bufferPtr = buffer;
FormatStringLegacy(bufferPtr, sizeof(buffer), format, args);
int32_t height = StringGetHeightRaw(bufferPtr, FontStyle::medium);
DrawText(rt, coords - ScreenCoordsXY{ 0, (height / 2) }, { colour }, bufferPtr);
}
/**
* Changes the palette so that the next character changes colour
*/
static void ColourCharacter(Drawing::TextColour colour, bool withOutline, Drawing::TextColours& textPalette)
{
auto mapping = Drawing::getTextColourMapping(colour);
if (!withOutline)
{
mapping.sunnyOutline = PaletteIndex::pi0;
mapping.shadowOutline = PaletteIndex::pi0;
}
textPalette = mapping;
}
/**
* Changes the palette so that the next character changes colour
* This is specific to changing to a predefined window related colour
*/
static void ColourCharacterWindow(colour_t colour, bool withOutline, Drawing::TextColours& textPalette)
{
Drawing::TextColours mapping = {
ColourMapA[colour].colour_11,
PaletteIndex::pi0,
PaletteIndex::pi0,
};
if (withOutline)
{
mapping.sunnyOutline = PaletteIndex::pi10;
mapping.shadowOutline = PaletteIndex::pi10;
}
textPalette = mapping;
}
/**
*
* rct2: 0x006C1DB7
*
* left : cx
* top : dx
* numLines : bp
* text : esi
* dpi : edi
*/
void DrawStringCentredRaw(
RenderTarget& rt, const ScreenCoordsXY& coords, int32_t numLines, const utf8* text, FontStyle fontStyle)
{
ScreenCoordsXY screenCoords(rt.x, rt.y);
DrawText(rt, screenCoords, { COLOUR_BLACK, fontStyle }, "");
screenCoords = coords;
for (int32_t i = 0; i <= numLines; i++)
{
int32_t width = GfxGetStringWidth(text, fontStyle);
DrawText(rt, screenCoords - ScreenCoordsXY{ width / 2, 0 }, { kTextColour254, fontStyle }, text);
const utf8* ch = text;
const utf8* nextCh = nullptr;
while ((UTF8GetNext(ch, &nextCh)) != 0)
{
ch = nextCh;
}
text = const_cast<char*>(ch + 1);
screenCoords.y += FontGetLineHeight(fontStyle);
}
}
int32_t StringGetHeightRaw(std::string_view text, FontStyle fontStyle)
{
int32_t height = 0;
if (fontStyle <= FontStyle::medium)
height += 10;
else if (fontStyle == FontStyle::tiny)
height += 6;
FmtString fmt(text);
for (const auto& token : fmt)
{
switch (token.kind)
{
case FormatToken::newline:
if (fontStyle == FontStyle::small || fontStyle == FontStyle::medium)
{
height += 10;
break;
}
if (fontStyle == FontStyle::tiny)
{
height += 6;
break;
}
height += 18;
break;
case FormatToken::newlineSmall:
if (fontStyle == FontStyle::small || fontStyle == FontStyle::medium)
{
height += 5;
break;
}
if (fontStyle == FontStyle::tiny)
{
height += 3;
break;
}
height += 9;
break;
case FormatToken::fontTiny:
fontStyle = FontStyle::tiny;
break;
case FormatToken::fontMedium:
fontStyle = FontStyle::medium;
break;
case FormatToken::fontSmall:
fontStyle = FontStyle::small;
break;
default:
break;
}
}
return height;
}
/**
*
* rct2: 0x006C1F57
*
* colour : al
* format : bx
* x : cx
* y : dx
* text : esi
* dpi : edi
* width : bp
* ticks : ebp >> 16
*/
void DrawNewsTicker(
RenderTarget& rt, const ScreenCoordsXY& coords, int32_t width, colour_t colour, StringId format, u8string_view args,
int32_t ticks)
{
int32_t numLines, lineHeight, lineY;
ScreenCoordsXY screenCoords(rt.x, rt.y);
DrawText(rt, screenCoords, { colour }, "");
u8string wrappedString;
GfxWrapString(FormatStringID(format, args), width, FontStyle::small, &wrappedString, &numLines);
lineHeight = FontGetLineHeight(FontStyle::small);
int32_t numCharactersDrawn = 0;
int32_t numCharactersToDraw = ticks;
const utf8* buffer = wrappedString.data();
lineY = coords.y - ((numLines * lineHeight) / 2);
for (int32_t line = 0; line <= numLines; line++)
{
int32_t halfWidth = GfxGetStringWidth(buffer, FontStyle::small) / 2;
FmtString fmt(buffer);
for (const auto& token : fmt)
{
bool doubleBreak = false;
if (token.IsLiteral())
{
CodepointView codepoints(token.text);
for (auto it = codepoints.begin(); it != codepoints.end(); it++)
{
numCharactersDrawn++;
if (numCharactersDrawn > numCharactersToDraw)
{
auto ch = const_cast<char*>(&token.text[it.GetIndex()]);
*ch = '\0';
doubleBreak = true;
break;
}
}
}
if (doubleBreak)
break;
}
screenCoords = { coords.x - halfWidth, lineY };
DrawText(rt, screenCoords, { kTextColour254, FontStyle::small }, buffer);
if (numCharactersDrawn > numCharactersToDraw)
{
break;
}
buffer = GetStringEnd(buffer) + 1;
lineY += lineHeight;
}
}
static void TTFDrawCharacterSprite(RenderTarget& rt, int32_t codepoint, TextDrawInfo* info)
{
int32_t characterWidth = FontSpriteGetCodepointWidth(info->fontStyle, codepoint);
auto sprite = FontSpriteGetCodepointSprite(info->fontStyle, codepoint);
if (!info->textDrawFlags.has(TextDrawFlag::noDraw))
{
auto screenCoords = ScreenCoordsXY{ info->x, info->y };
if (info->textDrawFlags.has(TextDrawFlag::yOffsetEffect))
{
screenCoords.y += *info->yOffset++;
}
uint8_t palette[8]{};
palette[1] = info->palette.fill;
palette[2] = info->palette.sunnyOutline;
palette[3] = info->palette.shadowOutline;
PaletteMap paletteMap(palette);
GfxDrawGlyph(rt, sprite, screenCoords, paletteMap);
}
info->x += characterWidth;
}
static void TTFDrawStringRawSprite(RenderTarget& rt, std::string_view text, TextDrawInfo* info)
{
CodepointView codepoints(text);
for (auto codepoint : codepoints)
{
TTFDrawCharacterSprite(rt, codepoint, info);
}
}
#ifndef DISABLE_TTF
static void TTFDrawStringRawTTF(RenderTarget& rt, std::string_view text, TextDrawInfo* info)
{
if (!TTFInitialise())
return;
TTFFontDescriptor* fontDesc = TTFGetFontFromSpriteBase(info->fontStyle);
if (fontDesc->font == nullptr)
{
TTFDrawStringRawSprite(rt, text, info);
return;
}
if (info->textDrawFlags.has(TextDrawFlag::noDraw))
{
info->x += TTFGetWidthCacheGetOrAdd(fontDesc->font, text);
return;
}
TTFSurface* surface = TTFSurfaceCacheGetOrAdd(fontDesc->font, text);
if (surface == nullptr)
return;
auto drawingEngine = rt.DrawingEngine;
if (drawingEngine != nullptr)
{
int32_t drawX = info->x + fontDesc->offset_x;
int32_t drawY = info->y + fontDesc->offset_y;
uint8_t hintThresh = Config::Get().fonts.enableHinting ? fontDesc->hinting_threshold : 0;
OpenRCT2::Drawing::IDrawingContext* dc = drawingEngine->GetDrawingContext();
dc->DrawTTFBitmap(rt, info, surface, drawX, drawY, hintThresh);
}
info->x += surface->w;
}
#endif // DISABLE_TTF
static void TTFProcessFormatCode(RenderTarget& rt, const FmtString::Token& token, TextDrawInfo* info)
{
switch (token.kind)
{
case FormatToken::move:
info->x = info->startX + token.parameter;
break;
case FormatToken::newline:
info->x = info->startX;
info->y += FontGetLineHeight(info->fontStyle);
break;
case FormatToken::newlineSmall:
info->x = info->startX;
info->y += FontGetLineHeightSmall(info->fontStyle);
break;
case FormatToken::fontTiny:
info->fontStyle = FontStyle::tiny;
break;
case FormatToken::fontSmall:
info->fontStyle = FontStyle::small;
break;
case FormatToken::fontMedium:
info->fontStyle = FontStyle::medium;
break;
case FormatToken::outlineEnable:
info->colourFlags.set(ColourFlag::withOutline);
break;
case FormatToken::outlineDisable:
info->colourFlags.unset(ColourFlag::withOutline);
break;
case FormatToken::colourWindow1:
{
ColourCharacterWindow(gCurrentWindowColours[0], info->colourFlags.has(ColourFlag::withOutline), info->palette);
break;
}
case FormatToken::colourWindow2:
{
ColourCharacterWindow(gCurrentWindowColours[1], info->colourFlags.has(ColourFlag::withOutline), info->palette);
break;
}
case FormatToken::colourWindow3:
{
ColourCharacterWindow(gCurrentWindowColours[2], info->colourFlags.has(ColourFlag::withOutline), info->palette);
break;
}
case FormatToken::inlineSprite:
{
auto imageId = ImageId(token.parameter);
auto g1 = GfxGetG1Element(imageId);
if (g1 != nullptr && g1->width <= 32 && g1->height <= 32)
{
if (!info->textDrawFlags.has(TextDrawFlag::noDraw))
{
GfxDrawSprite(rt, imageId, { info->x, info->y });
}
info->x += g1->width;
}
break;
}
default:
if (FormatTokenIsColour(token.kind))
{
auto colourIndex = FormatTokenToTextColour(token.kind);
ColourCharacter(colourIndex, info->colourFlags.has(ColourFlag::withOutline), info->palette);
}
break;
}
}
#ifndef DISABLE_TTF
static bool ShouldUseSpriteForCodepoint(char32_t codepoint)
{
switch (codepoint)
{
case UnicodeChar::up:
case UnicodeChar::down:
case UnicodeChar::leftguillemet:
case UnicodeChar::tick:
case UnicodeChar::cross:
case UnicodeChar::right:
case UnicodeChar::rightguillemet:
case UnicodeChar::small_up:
case UnicodeChar::small_down:
case UnicodeChar::left:
case UnicodeChar::quote_open:
case UnicodeChar::quote_close:
case UnicodeChar::german_quote_open:
case UnicodeChar::plus:
case UnicodeChar::minus:
case UnicodeChar::variation_selector:
case UnicodeChar::eye:
case UnicodeChar::road:
case UnicodeChar::railway:
return true;
default:
return false;
}
}
#endif // DISABLE_TTF
static void TTFProcessStringLiteral(RenderTarget& rt, std::string_view text, TextDrawInfo* info)
{
#ifndef DISABLE_TTF
bool isTTF = info->textDrawFlags.has(TextDrawFlag::ttf);
#else
bool isTTF = false;
#endif // DISABLE_TTF
if (!isTTF)
{
TTFDrawStringRawSprite(rt, text, info);
}
#ifndef DISABLE_TTF
else
{
CodepointView codepoints(text);
std::optional<size_t> ttfRunIndex{};
for (auto it = codepoints.begin(); it != codepoints.end(); it++)
{
auto codepoint = *it;
if (ShouldUseSpriteForCodepoint(codepoint))
{
if (ttfRunIndex.has_value())
{
// Draw the TTF run
// This error suppression abomination is here to suppress https://github.com/OpenRCT2/OpenRCT2/issues/17371.
// Additionally, we have to suppress the error for the error suppression... :'-(
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105937 is fixed in GCC13
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
#endif
auto len = it.GetIndex() - ttfRunIndex.value();
TTFDrawStringRawTTF(rt, text.substr(ttfRunIndex.value(), len), info);
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic pop
#endif
ttfRunIndex = std::nullopt;
}
// Draw the sprite font glyph
TTFDrawCharacterSprite(rt, codepoint, info);
}
else
{
if (!ttfRunIndex.has_value())
{
ttfRunIndex = it.GetIndex();
}
}
}
if (ttfRunIndex.has_value())
{
// Final TTF run
auto len = text.size() - *ttfRunIndex;
TTFDrawStringRawTTF(rt, text.substr(ttfRunIndex.value(), len), info);
}
}
#endif // DISABLE_TTF
}
static void TTFProcessStringCodepoint(RenderTarget& rt, codepoint_t codepoint, TextDrawInfo* info)
{
char buffer[8]{};
UTF8WriteCodepoint(buffer, codepoint);
TTFProcessStringLiteral(rt, buffer, info);
}
static void TTFProcessString(RenderTarget& rt, std::string_view text, TextDrawInfo* info)
{
if (info->textDrawFlags.has(TextDrawFlag::noFormatting))
{
TTFProcessStringLiteral(rt, text, info);
info->maxX = std::max(info->maxX, info->x);
info->maxY = std::max(info->maxY, info->y);
}
else
{
FmtString fmt(text);
for (const auto& token : fmt)
{
if (token.IsLiteral())
{
TTFProcessStringLiteral(rt, token.text, info);
}
else if (token.IsCodepoint())
{
auto codepoint = token.GetCodepoint();
TTFProcessStringCodepoint(rt, codepoint, info);
}
else
{
TTFProcessFormatCode(rt, token, info);
}
info->maxX = std::max(info->maxX, info->x);
info->maxY = std::max(info->maxY, info->y);
}
}
}
static void TTFProcessInitialColour(ColourWithFlags colour, TextDrawInfo* info)
{
if (colour.colour != kTextColour254 && colour.colour != kTextColour255)
{
info->colourFlags = colour.flags;
if (!colour.flags.has(ColourFlag::inset))
{
ColourCharacterWindow(colour.colour, info->colourFlags.has(ColourFlag::withOutline), info->palette);
}
else
{
Drawing::TextColours newPalette = {};
switch (info->darkness)
{
case TextDarkness::extraDark:
newPalette.fill = ColourMapA[colour.colour].dark;
newPalette.shadowOutline = ColourMapA[colour.colour].mid_light;
break;
case TextDarkness::dark:
newPalette.fill = ColourMapA[colour.colour].mid_dark;
newPalette.shadowOutline = ColourMapA[colour.colour].light;
break;
case TextDarkness::regular:
newPalette.fill = ColourMapA[colour.colour].mid_light;
newPalette.shadowOutline = ColourMapA[colour.colour].lighter;
break;
}
info->palette = newPalette;
}
}
}
void TTFDrawString(
RenderTarget& rt, const_utf8string text, ColourWithFlags colour, const ScreenCoordsXY& coords, bool noFormatting,
FontStyle fontStyle, TextDarkness darkness)
{
if (text == nullptr)
return;
TextDrawInfo info{};
info.fontStyle = fontStyle;
info.startX = coords.x;
info.startY = coords.y;
info.x = coords.x;
info.y = coords.y;
info.darkness = darkness;
if (LocalisationService_UseTrueTypeFont())
{
info.textDrawFlags.set(TextDrawFlag::ttf);
}
if (noFormatting)
{
info.textDrawFlags.set(TextDrawFlag::noFormatting);
}
info.palette = gTextPalette;
TTFProcessInitialColour(colour, &info);
TTFProcessString(rt, text, &info);
gTextPalette = info.palette;
rt.lastStringPos = { info.x, info.y };
}
static int32_t TTFGetStringWidth(std::string_view text, FontStyle fontStyle, bool noFormatting)
{
TextDrawInfo info{};
info.fontStyle = fontStyle;
info.startX = 0;
info.startY = 0;
info.x = 0;
info.y = 0;
info.maxX = 0;
info.maxY = 0;
info.textDrawFlags.set(TextDrawFlag::noDraw);
if (LocalisationService_UseTrueTypeFont())
{
info.textDrawFlags.set(TextDrawFlag::ttf);
}
if (noFormatting)
{
info.textDrawFlags.set(TextDrawFlag::noFormatting);
}
RenderTarget dummy{};
TTFProcessString(dummy, text, &info);
return info.maxX;
}
/**
*
* rct2: 0x00682F28
*/
void GfxDrawStringWithYOffsets(
RenderTarget& rt, const utf8* text, ColourWithFlags colour, const ScreenCoordsXY& coords, const int8_t* yOffsets,
bool forceSpriteFont, FontStyle fontStyle)
{
TextDrawInfo info{};
info.fontStyle = fontStyle;
info.startX = coords.x;
info.startY = coords.y;
info.x = coords.x;
info.y = coords.y;
info.yOffset = yOffsets;
info.textDrawFlags.set(TextDrawFlag::yOffsetEffect);
if (!forceSpriteFont && LocalisationService_UseTrueTypeFont())
{
info.textDrawFlags.set(TextDrawFlag::ttf);
}
info.palette = gTextPalette;
TTFProcessInitialColour(colour, &info);
TTFProcessString(rt, text, &info);
gTextPalette = info.palette;
rt.lastStringPos = { info.x, info.y };
}
u8string ShortenPath(const u8string& path, int32_t availableWidth, FontStyle fontStyle)
{
if (GfxGetStringWidth(path, fontStyle) <= availableWidth)
{
return path;
}
u8string shortenedPath = u8"...";
size_t begin = 0;
while (begin < path.size())
{
begin = path.find_first_of(*PATH_SEPARATOR, begin + 1);
if (begin == path.npos)
break;
shortenedPath = u8"..." + path.substr(begin);
if (GfxGetStringWidth(shortenedPath, fontStyle) <= availableWidth)
{
return shortenedPath;
}
}
return shortenedPath;
}