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Factor out truncation function.

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This commit is contained in:
Jonas Diemer
2025-12-30 18:02:33 +01:00
parent 912bcac992
commit a3a3954062
3 changed files with 14 additions and 7 deletions
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11
lib/GfxRenderer/GfxRenderer.cpp
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@@ -238,6 +238,17 @@ void GfxRenderer::displayBuffer(const EInkDisplay::RefreshMode refreshMode) cons
einkDisplay.displayBuffer(refreshMode);
}
std::string GfxRenderer::truncatedText(const int fontId, const char* text, const int maxWidth,
const EpdFontStyle style) const {
std::string item = text;
int itemWidth = getTextWidth(fontId, item.c_str(), style);
while (itemWidth > maxWidth && item.length() > 8) {
item.replace(item.length() - 5, 5, "...");
itemWidth = getTextWidth(fontId, item.c_str(), style);
}
return item;
}
// Note: Internal driver treats screen in command orientation; this library exposes a logical orientation
int GfxRenderer::getScreenWidth() const {
switch (orientation) {

1
lib/GfxRenderer/GfxRenderer.h
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@@ -75,6 +75,7 @@ class GfxRenderer {
int getSpaceWidth(int fontId) const;
int getFontAscenderSize(int fontId) const;
int getLineHeight(int fontId) const;
std::string truncatedText(const int fontId, const char* text, const int maxWidth, const EpdFontStyle style) const;
// UI Components
void drawButtonHints(int fontId, const char* btn1, const char* btn2, const char* btn3, const char* btn4) const;