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Implemented extending the bmp in Y direction

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This commit is contained in:
Jonas Diemer 2026-01-12 21:47:55 +01:00
parent 9dc839c244
commit 075324948e
1 changed files with 20 additions and 12 deletions
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32
lib/GfxRenderer/GfxRenderer.cpp
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@ -233,23 +233,31 @@ void GfxRenderer::drawBitmap(const Bitmap& bitmap, const int x, const int y, con
// draw extended pixels
/// amount of pixels taken from bitmap and repeated to extend
int extendY = 10; // TODO: fix rounding errors if this is not a divisor of height?
int extendY = 20;
int drawExtY = 0;
// don't draw MSB for darker extended area
// if (extend && renderMode != GRAYSCALE_MSB) {
if (extend) {
if (bmpY < extendY) {
for (int ny = 0; ny < extendY; ny++) {
if (extend && renderMode != GRAYSCALE_MSB) {
// if (extend) {
if (screenY - y < extendY) {
for (int ny = 0; ny < y / extendY / 2; ny++) {
// TODO: handle when extendY > y
const uint8_t rval = val + random(2);
drawVal(screenX, y - (bmpY + (extendY - 3) * (ny)), renderMode == GRAYSCALE_MSB ? rval : val);
// const uint8_t rval = val + random(3);
const uint8_t rval = val;
-(std::rand() < (RAND_MAX + 1.0) * 0.25);
drawExtY = y - (screenY - y + 2 * ny * (extendY));
if (drawExtY > 0) drawVal(screenX, drawExtY, renderMode == BW ? rval : val);
drawExtY = screenY + 1 - (ny + 1) * extendY * 2;
if (drawExtY > 0) drawVal(screenX, drawExtY, renderMode == BW ? rval : val);
}
// drawVal(screenX, 2*y - screenY, val);
}
int endY = y + bitmap.getHeight();
// Serial.printf("[%lu] [GFX] Drawing bottom extension: screenY=%d, endY=%d\n", millis(), screenY, endY);
if (bmpY >= bitmap.getHeight() - extendY) {
for (int ny = 0; ny < extendY; ny++) {
drawVal(screenX, screenY + (ny + 1) * (extendY - 2), val);
if (screenY >= getScreenHeight() - y - extendY) {
for (int ny = 0; ny < y / extendY / 2; ny++) {
// int drawExtY = screenY + extendY + 1 + (ny) * (extendY);
drawExtY = getScreenHeight() - y - 1 + (getScreenHeight() - y - screenY) + (ny) * (extendY) * 2;
if (drawExtY < getScreenHeight()) drawVal(screenX, drawExtY, val);
drawExtY = screenY + (ny + 1) * (extendY) * 2;
if (drawExtY < getScreenHeight()) drawVal(screenX, drawExtY, val);
}
}
}