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Wrap up multiple font styles into EpdFontFamily

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This commit is contained in:
Dave Allie
2025-12-06 00:34:16 +11:00
parent fa0f27df6a
commit 05a027e2bf
13 changed files with 184 additions and 129 deletions
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96
lib/EpdRenderer/EpdRenderer.cpp
View File

@@ -7,12 +7,13 @@
#include "builtinFonts/bookerly_italic.h"
EpdRenderer::EpdRenderer(XteinkDisplay* display) {
const auto bookerlyFontFamily = new EpdFontFamily(new EpdFont(&bookerly), new EpdFont(&bookerly_bold),
new EpdFont(&bookerly_italic), new EpdFont(&bookerly_bold_italic));
const auto babyblueFontFamily = new EpdFontFamily(new EpdFont(&babyblue));
this->display = display;
this->regularFont = new EpdFontRenderer<XteinkDisplay>(new EpdFont(&bookerly), display);
this->boldFont = new EpdFontRenderer<XteinkDisplay>(new EpdFont(&bookerly_bold), display);
this->italicFont = new EpdFontRenderer<XteinkDisplay>(new EpdFont(&bookerly_italic), display);
this->bold_italicFont = new EpdFontRenderer<XteinkDisplay>(new EpdFont(&bookerly_bold_italic), display);
this->smallFont = new EpdFontRenderer<XteinkDisplay>(new EpdFont(&babyblue), display);
this->regularFontRenderer = new EpdFontRenderer<XteinkDisplay>(bookerlyFontFamily, display);
this->smallFontRenderer = new EpdFontRenderer<XteinkDisplay>(babyblueFontFamily, display);
this->marginTop = 11;
this->marginBottom = 30;
@@ -21,50 +22,38 @@ EpdRenderer::EpdRenderer(XteinkDisplay* display) {
this->lineCompression = 0.95f;
}
EpdFontRenderer<XteinkDisplay>* EpdRenderer::getFontRenderer(const bool bold, const bool italic) const {
if (bold && italic) {
return bold_italicFont;
}
if (bold) {
return boldFont;
}
if (italic) {
return italicFont;
}
return regularFont;
}
int EpdRenderer::getTextWidth(const char* text, const bool bold, const bool italic) const {
int EpdRenderer::getTextWidth(const char* text, const EpdFontStyle style) const {
int w = 0, h = 0;
getFontRenderer(bold, italic)->font->getTextDimensions(text, &w, &h);
regularFontRenderer->fontFamily->getTextDimensions(text, &w, &h, style);
return w;
}
int EpdRenderer::getSmallTextWidth(const char* text) const {
int EpdRenderer::getSmallTextWidth(const char* text, const EpdFontStyle style) const {
int w = 0, h = 0;
smallFont->font->getTextDimensions(text, &w, &h);
smallFontRenderer->fontFamily->getTextDimensions(text, &w, &h, style);
return w;
}
void EpdRenderer::drawText(const int x, const int y, const char* text, const bool bold, const bool italic,
const uint16_t color) const {
void EpdRenderer::drawText(const int x, const int y, const char* text, const uint16_t color,
const EpdFontStyle style) const {
int ypos = y + getLineHeight() + marginTop;
int xpos = x + marginLeft;
getFontRenderer(bold, italic)->renderString(text, &xpos, &ypos, color > 0 ? GxEPD_BLACK : GxEPD_WHITE);
regularFontRenderer->renderString(text, &xpos, &ypos, color > 0 ? GxEPD_BLACK : GxEPD_WHITE, style);
}
void EpdRenderer::drawSmallText(const int x, const int y, const char* text, const uint16_t color) const {
int ypos = y + smallFont->font->data->advanceY + marginTop;
void EpdRenderer::drawSmallText(const int x, const int y, const char* text, const uint16_t color,
const EpdFontStyle style) const {
int ypos = y + smallFontRenderer->fontFamily->getData(style)->advanceY + marginTop;
int xpos = x + marginLeft;
smallFont->renderString(text, &xpos, &ypos, color > 0 ? GxEPD_BLACK : GxEPD_WHITE);
smallFontRenderer->renderString(text, &xpos, &ypos, color > 0 ? GxEPD_BLACK : GxEPD_WHITE);
}
void EpdRenderer::drawTextBox(const int x, const int y, const std::string& text, const int width, const int height,
const bool bold, const bool italic) const {
const EpdFontStyle style) const {
const size_t length = text.length();
// fit the text into the box
int start = 0;
@@ -72,7 +61,7 @@ void EpdRenderer::drawTextBox(const int x, const int y, const std::string& text,
int ypos = 0;
while (true) {
if (end >= length) {
drawText(x, y + ypos, text.substr(start, length - start).c_str(), bold, italic);
drawText(x, y + ypos, text.substr(start, length - start).c_str(), 1, style);
break;
}
@@ -81,15 +70,15 @@ void EpdRenderer::drawTextBox(const int x, const int y, const std::string& text,
}
if (text[end - 1] == '\n') {
drawText(x, y + ypos, text.substr(start, end - start).c_str(), bold, italic);
drawText(x, y + ypos, text.substr(start, end - start).c_str(), 1, style);
ypos += getLineHeight();
start = end;
end = start + 1;
continue;
}
if (getTextWidth(text.substr(start, end - start).c_str(), bold, italic) > width) {
drawText(x, y + ypos, text.substr(start, end - start - 1).c_str(), bold, italic);
if (getTextWidth(text.substr(start, end - start).c_str(), style) > width) {
drawText(x, y + ypos, text.substr(start, end - start - 1).c_str(), 1, style);
ypos += getLineHeight();
start = end - 1;
continue;
@@ -108,11 +97,23 @@ void EpdRenderer::drawRect(const int x, const int y, const int width, const int
display->drawRect(x + marginLeft, y + marginTop, width, height, color > 0 ? GxEPD_BLACK : GxEPD_WHITE);
}
void EpdRenderer::fillRect(const int x, const int y, const int width, const int height,
const uint16_t color = 0) const {
void EpdRenderer::fillRect(const int x, const int y, const int width, const int height, const uint16_t color) const {
display->fillRect(x + marginLeft, y + marginTop, width, height, color > 0 ? GxEPD_BLACK : GxEPD_WHITE);
}
void EpdRenderer::drawCircle(const int x, const int y, const int radius, const uint16_t color) const {
display->drawCircle(x + marginLeft, y + marginTop, radius, color > 0 ? GxEPD_BLACK : GxEPD_WHITE);
}
void EpdRenderer::fillCircle(const int x, const int y, const int radius, const uint16_t color) const {
display->fillCircle(x + marginLeft, y + marginTop, radius, color > 0 ? GxEPD_BLACK : GxEPD_WHITE);
}
void EpdRenderer::drawImage(const uint8_t bitmap[], const int x, const int y, const int width, const int height,
const bool invert) const {
display->drawImage(bitmap, x + marginLeft, y + marginTop, width, height, invert);
}
void EpdRenderer::clearScreen(const bool black) const {
Serial.println("Clearing screen");
display->fillScreen(black ? GxEPD_BLACK : GxEPD_WHITE);
@@ -121,30 +122,15 @@ void EpdRenderer::clearScreen(const bool black) const {
void EpdRenderer::flushDisplay(const bool partialUpdate) const { display->display(partialUpdate); }
void EpdRenderer::flushArea(const int x, const int y, const int width, const int height) const {
display->displayWindow(x, y, width, height);
display->displayWindow(x + marginLeft, y + marginTop, width, height);
}
int EpdRenderer::getPageWidth() const { return display->width() - marginLeft - marginRight; }
int EpdRenderer::getPageHeight() const { return display->height() - marginTop - marginBottom; }
int EpdRenderer::getSpaceWidth() const { return regularFont->font->getGlyph(' ')->advanceX; }
int EpdRenderer::getSpaceWidth() const { return regularFontRenderer->fontFamily->getGlyph(' ', REGULAR)->advanceX; }
int EpdRenderer::getLineHeight() const { return regularFont->font->data->advanceY * lineCompression; }
// deep sleep helper - persist any state to disk that may be needed on wake
bool EpdRenderer::dehydrate() {
// TODO: Implement
return false;
};
// deep sleep helper - retrieve any state from disk after wake
bool EpdRenderer::hydrate() {
// TODO: Implement
return false;
};
// really really clear the screen
void EpdRenderer::reset() {
// TODO: Implement
};
int EpdRenderer::getLineHeight() const {
return regularFontRenderer->fontFamily->getData(REGULAR)->advanceY * lineCompression;
}

36
lib/EpdRenderer/EpdRenderer.h
View File

@@ -8,30 +8,28 @@
class EpdRenderer {
XteinkDisplay* display;
EpdFontRenderer<XteinkDisplay>* regularFont;
EpdFontRenderer<XteinkDisplay>* boldFont;
EpdFontRenderer<XteinkDisplay>* italicFont;
EpdFontRenderer<XteinkDisplay>* bold_italicFont;
EpdFontRenderer<XteinkDisplay>* smallFont;
EpdFontRenderer<XteinkDisplay>* regularFontRenderer;
EpdFontRenderer<XteinkDisplay>* smallFontRenderer;
int marginTop;
int marginBottom;
int marginLeft;
int marginRight;
float lineCompression;
EpdFontRenderer<XteinkDisplay>* getFontRenderer(bool bold, bool italic) const;
public:
explicit EpdRenderer(XteinkDisplay* display);
~EpdRenderer() = default;
int getTextWidth(const char* text, bool bold = false, bool italic = false) const;
int getSmallTextWidth(const char* text) const;
void drawText(int x, int y, const char* text, bool bold = false, bool italic = false, uint16_t color = 1) const;
void drawSmallText(int x, int y, const char* text, uint16_t color = 1) const;
void drawTextBox(int x, int y, const std::string& text, int width, int height, bool bold = false,
bool italic = false) const;
void drawLine(int x1, int y1, int x2, int y2, uint16_t color) const;
void drawRect(int x, int y, int width, int height, uint16_t color) const;
void fillRect(int x, int y, int width, int height, uint16_t color) const;
int getTextWidth(const char* text, EpdFontStyle style = REGULAR) const;
int getSmallTextWidth(const char* text, EpdFontStyle style = REGULAR) const;
void drawText(int x, int y, const char* text, uint16_t color = 1, EpdFontStyle style = REGULAR) const;
void drawSmallText(int x, int y, const char* text, uint16_t color = 1, EpdFontStyle style = REGULAR) const;
void drawTextBox(int x, int y, const std::string& text, int width, int height, EpdFontStyle style = REGULAR) const;
void drawLine(int x1, int y1, int x2, int y2, uint16_t color = 1) const;
void drawRect(int x, int y, int width, int height, uint16_t color = 1) const;
void fillRect(int x, int y, int width, int height, uint16_t color = 1) const;
void drawCircle(int x, int y, int radius, uint16_t color = 1) const;
void fillCircle(int x, int y, int radius, uint16_t color = 1) const;
void drawImage(const uint8_t bitmap[], int x, int y, int width, int height, bool invert = false) const;
void clearScreen(bool black = false) const;
void flushDisplay(bool partialUpdate = true) const;
void flushArea(int x, int y, int width, int height) const;
@@ -45,12 +43,4 @@ class EpdRenderer {
void setMarginBottom(const int newMarginBottom) { this->marginBottom = newMarginBottom; }
void setMarginLeft(const int newMarginLeft) { this->marginLeft = newMarginLeft; }
void setMarginRight(const int newMarginRight) { this->marginRight = newMarginRight; }
// deep sleep helper - persist any state to disk that may be needed on wake
bool dehydrate();
// deep sleep helper - retrieve any state from disk after wake
bool hydrate();
// really really clear the screen
void reset();
uint8_t temperature = 20;
};