fix monochrome pushpixels (#24388)

gemu2015 · Gerhard Mutz · web-flow · commit 7f7a2ceef1ef · 2026-01-27T11:16:46.000+01:00
Co-authored-by: Gerhard Mutz &lt;gerhardmutz1@imac.local&gt;
diff --git a/lib/lib_display/UDisplay/src/uDisplay_graphics.cpp b/lib/lib_display/UDisplay/src/uDisplay_graphics.cpp
@@ -72,7 +72,9 @@ void uDisplay::pushColors(uint16_t *data, uint32_t len, boolean not_swapped) {
     if (lvgl_param.swap_color) {
         not_swapped = !not_swapped;
     }
-    universal_panel->pushColors(data, len, not_swapped);
+    if (!universal_panel->pushColors(data, len, not_swapped)) {
+        pushColorsMono(data, len, not_swapped);
+    }
 }
 
 // convert to mono, these are framebuffer based
@@ -104,7 +106,12 @@ void uDisplay::pushColorsMono(uint16_t *data, uint32_t len, bool rgb16_swap) {
 }
 
 void uDisplay::setAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
-    universal_panel->setAddrWindow(x0, y0, x1, y1);
+    if (!universal_panel->setAddrWindow(x0, y0, x1, y1)) {
+        seta_xp1 = x0;
+        seta_yp1 = y0;
+        seta_xp2 = x1;
+        seta_yp2 = y1;
+    }
 }
 
 void uDisplay::setRotation(uint8_t rotation) {

Original file line number	Diff line number	Diff line change
`@@ -72,7 +72,9 @@ void uDisplay::pushColors(uint16_t *data, uint32_t len, boolean not_swapped) {`
`72`	`72`	`if (lvgl_param.swap_color) {`
`73`	`73`	`not_swapped = !not_swapped;`
`74`	`74`	`}`
`75`		`- universal_panel->pushColors(data, len, not_swapped);`
	`75`	`+ if (!universal_panel->pushColors(data, len, not_swapped)) {`
	`76`	`+ pushColorsMono(data, len, not_swapped);`
	`77`	`+ }`
`76`	`78`	`}`
`77`	`79`
`78`	`80`	`// convert to mono, these are framebuffer based`
`@@ -104,7 +106,12 @@ void uDisplay::pushColorsMono(uint16_t *data, uint32_t len, bool rgb16_swap) {`
`104`	`106`	`}`
`105`	`107`
`106`	`108`	`void uDisplay::setAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {`
`107`		`- universal_panel->setAddrWindow(x0, y0, x1, y1);`
	`109`	`+ if (!universal_panel->setAddrWindow(x0, y0, x1, y1)) {`
	`110`	`+ seta_xp1 = x0;`
	`111`	`+ seta_yp1 = y0;`
	`112`	`+ seta_xp2 = x1;`
	`113`	`+ seta_yp2 = y1;`
	`114`	`+ }`
`108`	`115`	`}`
`109`	`116`
`110`	`117`	`void uDisplay::setRotation(uint8_t rotation) {`