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Make screen code resolution agnostic. Look better on big TFT/eink screens

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This commit is contained in:
Kevin Hester
2020-10-15 15:12:27 +08:00
parent 7ef2cc8623
commit 4db0c4a563
4 changed files with 28 additions and 17 deletions
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11
src/graphics/EInkDisplay.cpp
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@@ -46,8 +46,9 @@ void updateDisplay(uint8_t *blackFrame = framePtr)
EInkDisplay::EInkDisplay(uint8_t address, int sda, int scl)
{
setGeometry(GEOMETRY_128_64); // FIXME - currently we lie and claim 128x64 because I'm not yet sure other resolutions will
// work ie GEOMETRY_RAWMODE
setGeometry(GEOMETRY_RAWMODE, EPD_WIDTH, EPD_HEIGHT);
// setGeometry(GEOMETRY_RAWMODE, 128, 64); // old resolution
// setGeometry(GEOMETRY_128_64); // We originally used this because I wasn't sure if rawmode worked - it does
}
// FIXME quick hack to limit drawing to a very slow rate
@@ -67,11 +68,11 @@ void EInkDisplay::display(void)
// FIXME - only draw bits have changed (use backbuf similar to the other displays)
// tft.drawBitmap(0, 0, buffer, 128, 64, TFT_YELLOW, TFT_BLACK);
for (uint8_t y = 0; y < SCREEN_HEIGHT; y++) {
for (uint8_t x = 0; x < SCREEN_WIDTH; x++) {
for (uint8_t y = 0; y < displayHeight; y++) {
for (uint8_t x = 0; x < displayWidth; x++) {
// get src pixel in the page based ordering the OLED lib uses FIXME, super inefficent
auto b = buffer[x + (y / 8) * SCREEN_WIDTH];
auto b = buffer[x + (y / 8) * displayWidth];
auto isset = b & (1 << (y & 7));
frame.drawPixel(x, y, isset ? INK : PAPER);
}