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Starting to implement Elements

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This commit is contained in:
Ben V. Brown
2023-06-28 23:14:09 +10:00
parent d9350fdc73
commit 62fb6d5209
4 changed files with 94 additions and 32 deletions
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41
source/Core/Drivers/OLED.cpp
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@@ -169,6 +169,7 @@ void OLED::drawChar(const uint16_t charCode, const FontStyle fontStyle) {
case FontStyle::SMALL:
case FontStyle::LARGE:
default:
// TODO handle 4 lines
if (charCode == '\x01' && cursor_y == 0) { // 0x01 is used as new line char
setCursor(0, 8);
return;
@@ -431,6 +432,46 @@ void OLED::setInverseDisplay(bool inverse) {
OLED_Setup_Array[21].val = normalInverseCmd;
I2C_CLASS::I2C_RegisterWrite(DEVICEADDR_OLED, 0x80, normalInverseCmd);
}
void OLED::printBounded(const char *str, const uint8_t x, const uint8_t y, const uint8_t w, const uint8_t h) {
setCursor(x, y);
const uint8_t *next = reinterpret_cast<const uint8_t *>(str);
FontStyle fontStyle = FontStyle::SMALL;
if (next[0] == 0x01) {
fontStyle = FontStyle::LARGE;
next++;
}
// Now we walk and print
while (next[0]) {
uint16_t index;
if (next[0] <= 0xF0) {
index = next[0];
next++;
} else {
if (!next[1]) {
return;
}
index = (next[0] - 0xF0) * 0xFF - 15 + next[1];
next += 2;
}
if (index > 0x01) {
// Not a newline or terminator
// Need to make sure we clip
if (cursor_x >= (x + w)) {
// About to write out of bounds, wrap
if (fontStyle == FontStyle::SMALL) {
cursor_y += 8;
} else {
cursor_y += 16;
}
}
if (cursor_y >= y + h) {
// Clipping off bottom, yeet
return;
}
}
drawChar(index, fontStyle);
}
}
// print a string to the current cursor location, len chars MAX
void OLED::print(const char *const str, FontStyle fontStyle, uint8_t len) {

4
source/Core/Drivers/OLED.hpp
View File

@@ -106,7 +106,9 @@ public:
static void setBrightness(uint8_t contrast);
static void setInverseDisplay(bool inverted);
static int16_t getCursorX() { return cursor_x; }
static void print(const char *string, FontStyle fontStyle, uint8_t length = 255); // Draw a string to the current location, with selected font; optionally - with MAX length only
static void printBounded(const char *str, const uint8_t x, const uint8_t y, const uint8_t w, const uint8_t h);
static void print(const char *string, FontStyle fontStyle,
uint8_t length = 255); // Draw a string to the current location, with selected font; optionally - with MAX length only
static void printWholeScreen(const char *string);
// Set the cursor location by pixels
static void setCursor(int16_t x, int16_t y) {