Made crop mode an option.

This commit is contained in:
Jonas Diemer 2026-01-03 14:29:34 +01:00
parent a99ad3b6cd
commit 8e2454d7db
6 changed files with 27 additions and 15 deletions

View File

@ -187,10 +187,11 @@ void GfxRenderer::drawBitmap(const Bitmap& bitmap, const int x, const int y, con
for (int bmpY = 0; bmpY < (bitmap.getHeight() - cropPixY); bmpY++) {
// The BMP's (0, 0) is the bottom-left corner (if the height is positive, top-left if negative).
// Screen's (0, 0) is the top-left corner.
int screenY = y - cropPixY + (bitmap.isTopDown() ? bmpY : bitmap.getHeight() - 1 - bmpY);
int screenY = -cropPixY + (bitmap.isTopDown() ? bmpY : bitmap.getHeight() - 1 - bmpY);
if (isScaled) {
screenY = std::floor(screenY * scale);
}
screenY += y; // the offset should not be scaled
if (screenY >= getScreenHeight()) {
break;
}
@ -208,10 +209,11 @@ void GfxRenderer::drawBitmap(const Bitmap& bitmap, const int x, const int y, con
}
for (int bmpX = cropPixX; bmpX < bitmap.getWidth() - cropPixX; bmpX++) {
int screenX = x + bmpX - cropPixX;
int screenX = bmpX - cropPixX;
if (isScaled) {
screenX = std::floor(screenX * scale);
}
screenX += x; // the offset should not be scaled
if (screenX >= getScreenWidth()) {
break;
}

View File

@ -468,8 +468,7 @@ bool JpegToBmpConverter::jpegFileToBmpStream(FsFile& jpegFile, Print& bmpOut) {
// Calculate scale to fit within target dimensions while maintaining aspect ratio
const float scaleToFitWidth = static_cast<float>(TARGET_MAX_WIDTH) / imageInfo.m_width;
const float scaleToFitHeight = static_cast<float>(TARGET_MAX_HEIGHT) / imageInfo.m_height;
// const float scale = (scaleToFitWidth < scaleToFitHeight) ? scaleToFitWidth : scaleToFitHeight;
// For now, scale to the smaller dimension, so we can crop later.
// We scale to the smaller dimension, so we can potentially crop later.
// TODO: ideally, we already crop here.
const float scale = (scaleToFitWidth > scaleToFitHeight) ? scaleToFitWidth : scaleToFitHeight;

View File

@ -12,7 +12,7 @@ CrossPointSettings CrossPointSettings::instance;
namespace {
constexpr uint8_t SETTINGS_FILE_VERSION = 1;
// Increment this when adding new persisted settings fields
constexpr uint8_t SETTINGS_COUNT = 13;
constexpr uint8_t SETTINGS_COUNT = 14;
constexpr char SETTINGS_FILE[] = "/.crosspoint/settings.bin";
} // namespace
@ -40,6 +40,7 @@ bool CrossPointSettings::saveToFile() const {
serialization::writePod(outputFile, paragraphAlignment);
serialization::writePod(outputFile, sleepTimeout);
serialization::writePod(outputFile, refreshFrequency);
serialization::writePod(outputFile, sleepScreenCoverMode);
outputFile.close();
Serial.printf("[%lu] [CPS] Settings saved to file\n", millis());
@ -92,6 +93,7 @@ bool CrossPointSettings::loadFromFile() {
if (++settingsRead >= fileSettingsCount) break;
serialization::readPod(inputFile, refreshFrequency);
if (++settingsRead >= fileSettingsCount) break;
serialization::readPod(inputFile, sleepScreenCoverMode);
} while (false);
inputFile.close();

View File

@ -54,6 +54,8 @@ class CrossPointSettings {
// Sleep screen settings
uint8_t sleepScreen = DARK;
// Sleep screen cover mode settings
uint8_t sleepScreenCoverMode = FIT;
// Status bar settings
uint8_t statusBar = FULL;
// Text rendering settings

View File

@ -154,19 +154,24 @@ void SleepActivity::renderBitmapSleepScreen(const Bitmap& bitmap) const {
Serial.printf("[%lu] [SLP] bitmap ratio: %f, screen ratio: %f\n", millis(), ratio, screenRatio);
if (ratio > screenRatio) {
// image wider than viewport ratio, scaled down image needs to be centered vertically
cropX = 1.0f - (screenRatio / ratio);
Serial.printf("[%lu] [SLP] Cropping bitmap x: %f\n", millis(), cropX);
ratio = (1 - cropX) * static_cast<float>(bitmap.getWidth()) / static_cast<float>(bitmap.getHeight());
if (SETTINGS.sleepScreenCoverMode == CrossPointSettings::SLEEP_SCREEN_COVER_MODE::CROP) {
cropX = 1.0f - (screenRatio / ratio);
Serial.printf("[%lu] [SLP] Cropping bitmap x: %f\n", millis(), cropX);
ratio = (1.0f - cropX) * static_cast<float>(bitmap.getWidth()) / static_cast<float>(bitmap.getHeight());
}
x = 0;
y = (pageHeight - pageWidth / ratio) / 2;
y = std::round((static_cast<float>(pageHeight) - static_cast<float>(pageWidth) / ratio) / 2);
Serial.printf("[%lu] [SLP] Centering with ratio %f to y=%d\n", millis(), ratio, y);
} else {
// image taller than viewport ratio, scaled down image needs to be centered horizontally
// try to crop
cropY = 1.0f - (ratio / screenRatio);
Serial.printf("[%lu] [SLP] Cropping bitmap y: %f\n", millis(), cropY);
ratio = static_cast<float>(bitmap.getWidth()) / ((1 - cropY) * static_cast<float>(bitmap.getHeight()));
x = (pageWidth - pageHeight * ratio) / 2;
if (SETTINGS.sleepScreenCoverMode == CrossPointSettings::SLEEP_SCREEN_COVER_MODE::CROP) {
cropY = 1.0f - (ratio / screenRatio);
Serial.printf("[%lu] [SLP] Cropping bitmap y: %f\n", millis(), cropY);
ratio = static_cast<float>(bitmap.getWidth()) / ((1.0f - cropY) * static_cast<float>(bitmap.getHeight()));
}
x = std::round((pageWidth - pageHeight * ratio) / 2);
y = 0;
Serial.printf("[%lu] [SLP] Centering with ratio %f to x=%d\n", millis(), ratio, x);
}
} else {
// center the image
@ -174,6 +179,7 @@ void SleepActivity::renderBitmapSleepScreen(const Bitmap& bitmap) const {
y = (pageHeight - bitmap.getHeight()) / 2;
}
Serial.printf("[%lu] [SLP] drawing to %d x %d\n", millis(), x, y);
renderer.clearScreen();
renderer.drawBitmap(bitmap, x, y, pageWidth, pageHeight, cropX, cropY);
renderer.displayBuffer(EInkDisplay::HALF_REFRESH);

View File

@ -9,10 +9,11 @@
// Define the static settings list
namespace {
constexpr int settingsCount = 14;
constexpr int settingsCount = 16;
const SettingInfo settingsList[settingsCount] = {
// Should match with SLEEP_SCREEN_MODE
{"Sleep Screen", SettingType::ENUM, &CrossPointSettings::sleepScreen, {"Dark", "Light", "Custom", "Cover"}},
{"Sleep Screen Cover Mode", SettingType::ENUM, &CrossPointSettings::sleepScreenCoverMode, {"Fit", "Crop"}},
{"Status Bar", SettingType::ENUM, &CrossPointSettings::statusBar, {"None", "No Progress", "Full"}},
{"Extra Paragraph Spacing", SettingType::TOGGLE, &CrossPointSettings::extraParagraphSpacing, {}},
{"Short Power Button Click", SettingType::TOGGLE, &CrossPointSettings::shortPwrBtn, {}},