single repo

2026-01-01 13:33:51 -05:00
parent 8b56187ef1
commit bc8ae91eba
334 changed files with 124529 additions and 2 deletions
@@ -0,0 +1,80 @@
+#include "ShapeRenderer.h"
+
+void pico_ssd1306::drawLine(pico_ssd1306::SSD1306 *ssd1306, uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1,
+                            pico_ssd1306::WriteMode mode) {
+    int x, y, dx, dy, dx0, dy0, px, py, xe, ye, i;
+    dx = x1 - x0;
+    dy = y1 - y0;
+    dx0 = fabs(dx);
+    dy0 = fabs(dy);
+    px = 2 * dy0 - dx0;
+    py = 2 * dx0 - dy0;
+    if (dy0 <= dx0) {
+        if (dx >= 0) {
+            x = x0;
+            y = y0;
+            xe = x1;
+        } else {
+            x = x1;
+            y = y1;
+            xe = x0;
+        }
+        ssd1306->setPixel(x, y, mode);
+        for (i = 0; x < xe; i++) {
+            x = x + 1;
+            if (px < 0) {
+                px = px + 2 * dy0;
+            } else {
+                if ((dx < 0 && dy < 0) || (dx > 0 && dy > 0)) {
+                    y = y + 1;
+                } else {
+                    y = y - 1;
+                }
+                px = px + 2 * (dy0 - dx0);
+            }
+            ssd1306->setPixel(x, y, mode);
+        }
+    } else {
+        if (dy >= 0) {
+            x = x0;
+            y = y0;
+            ye = y1;
+        } else {
+            x = x1;
+            y = y1;
+            ye = y0;
+        }
+        ssd1306->setPixel(x, y, mode);
+        for (i = 0; y < ye; i++) {
+            y = y + 1;
+            if (py <= 0) {
+                py = py + 2 * dx0;
+            } else {
+                if ((dx < 0 && dy < 0) || (dx > 0 && dy > 0)) {
+                    x = x + 1;
+                } else {
+                    x = x - 1;
+                }
+                py = py + 2 * (dx0 - dy0);
+            }
+            ssd1306->setPixel(x, y, mode);
+        }
+    }
+}
+
+void pico_ssd1306::drawRect(pico_ssd1306::SSD1306 *ssd1306, uint8_t x_start, uint8_t y_start, uint8_t x_end, uint8_t y_end,
+                            pico_ssd1306::WriteMode mode) {
+    drawLine(ssd1306, x_start, y_start, x_end, y_start, mode);
+    drawLine(ssd1306, x_start, y_end, x_end, y_end, mode);
+    drawLine(ssd1306, x_start, y_start, x_start, y_end, mode);
+    drawLine(ssd1306, x_end, y_start, x_end, y_end, mode);
+}
+
+void pico_ssd1306::fillRect(pico_ssd1306::SSD1306 *ssd1306, uint8_t x_start, uint8_t y_start, uint8_t x_end, uint8_t y_end,
+                            pico_ssd1306::WriteMode mode) {
+    for (uint8_t x = x_start; x <= x_end; x++) {
+        for (uint8_t y = y_start; y <= y_end; y++) {
+            ssd1306->setPixel(x, y, mode);
+        }
+    }
+}