diff --git a/src/draw/sw/blend/lv_draw_sw_blend.c b/src/draw/sw/blend/lv_draw_sw_blend.c
index b116e4b85..1bd642402 100644
--- a/src/draw/sw/blend/lv_draw_sw_blend.c
+++ b/src/draw/sw/blend/lv_draw_sw_blend.c
@@ -96,12 +96,12 @@ void lv_draw_sw_blend(lv_draw_unit_t * draw_unit, const lv_draw_sw_blend_dsc_t *
 
         image_dsc.opa = blend_dsc->opa;
         image_dsc.blend_mode = blend_dsc->blend_mode;
-        image_dsc.src_stride = blend_dsc->src_stride / lv_color_format_get_size(blend_dsc->src_color_format);
+        image_dsc.src_stride = blend_dsc->src_stride;
         image_dsc.src_color_format = blend_dsc->src_color_format;
 
         const uint8_t * src_buf = blend_dsc->src_buf;
         uint32_t src_px_size = lv_color_format_get_size(blend_dsc->src_color_format);
-        src_buf += image_dsc.src_stride * (blend_area.y1 - blend_dsc->src_area->y1) * src_px_size;
+        src_buf += image_dsc.src_stride * (blend_area.y1 - blend_dsc->src_area->y1);
         src_buf += (blend_area.x1 - blend_dsc->src_area->x1) * src_px_size;
         image_dsc.src_buf = src_buf;
 
diff --git a/src/draw/sw/blend/lv_draw_sw_blend_to_argb8888.c b/src/draw/sw/blend/lv_draw_sw_blend_to_argb8888.c
index 8b4c5e073..348fc5c0d 100644
--- a/src/draw/sw/blend/lv_draw_sw_blend_to_argb8888.c
+++ b/src/draw/sw/blend/lv_draw_sw_blend_to_argb8888.c
@@ -183,7 +183,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb565_image_blend(_lv_draw_sw_blend_image_dsc
     lv_color32_t * dest_buf_c32 = dsc->dest_buf;
     int32_t dest_stride_px = dsc->dest_stride / 4;
     const lv_color16_t * src_buf_c16 = (const lv_color16_t *) dsc->src_buf;
-    int32_t src_stride = dsc->src_stride;
+    int32_t src_stride_px = dsc->src_stride / 2;
     const lv_opa_t * mask_buf = dsc->mask_buf;
     int32_t mask_stride = dsc->mask_stride;
 
@@ -205,7 +205,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb565_image_blend(_lv_draw_sw_blend_image_dsc
                     dest_buf_c32[x] = lv_color_32_32_mix(color_argb, dest_buf_c32[x], &cache);
                 }
                 dest_buf_c32 += dest_stride_px;
-                src_buf_c16 += src_stride;
+                src_buf_c16 += src_stride_px;
             }
         }
         else if(mask_buf && opa >= LV_OPA_MAX) {
@@ -218,7 +218,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb565_image_blend(_lv_draw_sw_blend_image_dsc
                     dest_buf_c32[x] = lv_color_32_32_mix(color_argb, dest_buf_c32[x], &cache);
                 }
                 dest_buf_c32 += dest_stride_px;
-                src_buf_c16 += src_stride;
+                src_buf_c16 += src_stride_px;
                 mask_buf += mask_stride;
             }
         }
@@ -232,7 +232,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb565_image_blend(_lv_draw_sw_blend_image_dsc
                     dest_buf_c32[x] = lv_color_32_32_mix(color_argb, dest_buf_c32[x], &cache);
                 }
                 dest_buf_c32 += dest_stride_px;
-                src_buf_c16 += src_stride;
+                src_buf_c16 += src_stride_px;
                 mask_buf += mask_stride;
             }
         }
@@ -250,7 +250,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb565_image_blend(_lv_draw_sw_blend_image_dsc
             }
             if(mask_buf) mask_buf += mask_stride;
             dest_buf_c32 += dest_stride_px;
-            src_buf_c16 += src_stride;
+            src_buf_c16 += src_stride_px;
         }
     }
 }
@@ -264,7 +264,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb888_image_blend(_lv_draw_sw_blend_image_dsc
     lv_color32_t * dest_buf_c32 = dsc->dest_buf;
     int32_t dest_stride_px = dsc->dest_stride / 4;
     const uint8_t * src_buf = dsc->src_buf;
-    int32_t src_stride = dsc->src_stride * src_px_size;
+    int32_t src_stride = dsc->src_stride;
     const lv_opa_t * mask_buf = dsc->mask_buf;
     int32_t mask_stride = dsc->mask_stride;
 
@@ -369,7 +369,7 @@ LV_ATTRIBUTE_FAST_MEM static void argb8888_image_blend(_lv_draw_sw_blend_image_d
     lv_color32_t * dest_buf_c32 = dsc->dest_buf;
     int32_t dest_stride_px = dsc->dest_stride / 4;
     const lv_color32_t * src_buf_c32 = dsc->src_buf;
-    int32_t src_stride = dsc->src_stride;
+    int32_t src_stride_px = dsc->src_stride / 4;
     const lv_opa_t * mask_buf = dsc->mask_buf;
     int32_t mask_stride = dsc->mask_stride;
 
@@ -387,7 +387,7 @@ LV_ATTRIBUTE_FAST_MEM static void argb8888_image_blend(_lv_draw_sw_blend_image_d
                     dest_buf_c32[x] = lv_color_32_32_mix(src_buf_c32[x], dest_buf_c32[x], &cache);
                 }
                 dest_buf_c32 += dest_stride_px;
-                src_buf_c32 += src_stride;
+                src_buf_c32 += src_stride_px;
             }
         }
         else if(mask_buf == NULL && opa < LV_OPA_MAX) {
@@ -398,7 +398,7 @@ LV_ATTRIBUTE_FAST_MEM static void argb8888_image_blend(_lv_draw_sw_blend_image_d
                     dest_buf_c32[x] = lv_color_32_32_mix(color_argb, dest_buf_c32[x], &cache);
                 }
                 dest_buf_c32 += dest_stride_px;
-                src_buf_c32 += src_stride;
+                src_buf_c32 += src_stride_px;
             }
         }
         else if(mask_buf && opa >= LV_OPA_MAX) {
@@ -409,7 +409,7 @@ LV_ATTRIBUTE_FAST_MEM static void argb8888_image_blend(_lv_draw_sw_blend_image_d
                     dest_buf_c32[x] = lv_color_32_32_mix(color_argb, dest_buf_c32[x], &cache);
                 }
                 dest_buf_c32 += dest_stride_px;
-                src_buf_c32 += src_stride;
+                src_buf_c32 += src_stride_px;
                 mask_buf += mask_stride;
             }
         }
@@ -421,7 +421,7 @@ LV_ATTRIBUTE_FAST_MEM static void argb8888_image_blend(_lv_draw_sw_blend_image_d
                     dest_buf_c32[x] = lv_color_32_32_mix(color_argb, dest_buf_c32[x], &cache);
                 }
                 dest_buf_c32 += dest_stride_px;
-                src_buf_c32 += src_stride;
+                src_buf_c32 += src_stride_px;
                 mask_buf += mask_stride;
             }
         }
@@ -436,7 +436,7 @@ LV_ATTRIBUTE_FAST_MEM static void argb8888_image_blend(_lv_draw_sw_blend_image_d
             }
             if(mask_buf) mask_buf += mask_stride;
             dest_buf_c32 += dest_stride_px;
-            src_buf_c32 += src_stride;
+            src_buf_c32 += src_stride_px;
         }
     }
 }
diff --git a/src/draw/sw/blend/lv_draw_sw_blend_to_rgb565.c b/src/draw/sw/blend/lv_draw_sw_blend_to_rgb565.c
index a5684b1d1..a0571b260 100644
--- a/src/draw/sw/blend/lv_draw_sw_blend_to_rgb565.c
+++ b/src/draw/sw/blend/lv_draw_sw_blend_to_rgb565.c
@@ -233,7 +233,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb565_image_blend(_lv_draw_sw_blend_image_dsc
     uint16_t * dest_buf_u16 = dsc->dest_buf;
     int32_t dest_stride_px = dsc->dest_stride / 2;
     const uint16_t * src_buf_u16 = dsc->src_buf;
-    int32_t src_stride = dsc->src_stride;
+    int32_t src_stride_px = dsc->src_stride / 2;
     const lv_opa_t * mask_buf = dsc->mask_buf;
     int32_t mask_stride = dsc->mask_stride;
 
@@ -246,7 +246,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb565_image_blend(_lv_draw_sw_blend_image_dsc
             for(y = 0; y < h; y++) {
                 lv_memcpy(dest_buf_u16, src_buf_u16, line_in_bytes);
                 dest_buf_u16 += dest_stride_px;
-                src_buf_u16 += src_stride;
+                src_buf_u16 += src_stride_px;
             }
         }
         else if(mask_buf == NULL && opa < LV_OPA_MAX) {
@@ -255,7 +255,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb565_image_blend(_lv_draw_sw_blend_image_dsc
                     dest_buf_u16[x] = lv_color_16_16_mix(src_buf_u16[x], dest_buf_u16[x], opa);
                 }
                 dest_buf_u16 += dest_stride_px;
-                src_buf_u16 += src_stride;
+                src_buf_u16 += src_stride_px;
             }
         }
         else if(mask_buf && opa >= LV_OPA_MAX) {
@@ -264,7 +264,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb565_image_blend(_lv_draw_sw_blend_image_dsc
                     dest_buf_u16[x] = lv_color_16_16_mix(src_buf_u16[x], dest_buf_u16[x], mask_buf[x]);
                 }
                 dest_buf_u16 += dest_stride_px;
-                src_buf_u16 += src_stride;
+                src_buf_u16 += src_stride_px;
                 mask_buf += mask_stride;
             }
         }
@@ -274,7 +274,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb565_image_blend(_lv_draw_sw_blend_image_dsc
                     dest_buf_u16[x] = lv_color_16_16_mix(src_buf_u16[x], dest_buf_u16[x], LV_OPA_MIX2(mask_buf[x], opa));
                 }
                 dest_buf_u16 += dest_stride_px;
-                src_buf_u16 += src_stride;
+                src_buf_u16 += src_stride_px;
                 mask_buf += mask_stride;
             }
         }
@@ -319,7 +319,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb565_image_blend(_lv_draw_sw_blend_image_dsc
             }
 
             dest_buf_u16 += dest_stride_px;
-            src_buf_u16 += src_stride;
+            src_buf_u16 += src_stride_px;
             if(mask_buf) mask_buf += mask_stride;
         }
     }
@@ -333,7 +333,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb888_image_blend(_lv_draw_sw_blend_image_dsc
     uint16_t * dest_buf_u16 = dsc->dest_buf;
     int32_t dest_stride_px = dsc->dest_stride / 2;
     const uint8_t * src_buf_u8 = dsc->src_buf;
-    int32_t src_stride = dsc->src_stride * src_px_size;
+    int32_t src_stride = dsc->src_stride;
     const lv_opa_t * mask_buf = dsc->mask_buf;
     int32_t mask_stride = dsc->mask_stride;
 
@@ -434,7 +434,7 @@ LV_ATTRIBUTE_FAST_MEM static void argb8888_image_blend(_lv_draw_sw_blend_image_d
     uint16_t * dest_buf_u16 = dsc->dest_buf;
     int32_t dest_stride_px = dsc->dest_stride / 2;
     const uint8_t * src_buf_u8 = dsc->src_buf;
-    int32_t src_stride = dsc->src_stride * 4;
+    int32_t src_stride = dsc->src_stride;
     const lv_opa_t * mask_buf = dsc->mask_buf;
     int32_t mask_stride = dsc->mask_stride;
 
diff --git a/src/draw/sw/blend/lv_draw_sw_blend_to_rgb888.c b/src/draw/sw/blend/lv_draw_sw_blend_to_rgb888.c
index b4c5e4633..d25ba333e 100644
--- a/src/draw/sw/blend/lv_draw_sw_blend_to_rgb888.c
+++ b/src/draw/sw/blend/lv_draw_sw_blend_to_rgb888.c
@@ -225,7 +225,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb565_image_blend(_lv_draw_sw_blend_image_dsc
     uint8_t * dest_buf_u8 = dsc->dest_buf;
     int32_t dest_stride = dsc->dest_stride;
     const lv_color16_t * src_buf_c16 = (const lv_color16_t *) dsc->src_buf;
-    int32_t src_stride = dsc->src_stride;
+    int32_t src_stride = dsc->src_stride / 2;
     const lv_opa_t * mask_buf = dsc->mask_buf;
     int32_t mask_stride = dsc->mask_stride;
 
@@ -314,7 +314,7 @@ LV_ATTRIBUTE_FAST_MEM static void rgb888_image_blend(_lv_draw_sw_blend_image_dsc
     uint8_t * dest_buf = dsc->dest_buf;
     int32_t dest_stride = dsc->dest_stride;
     const uint8_t * src_buf = dsc->src_buf;
-    int32_t src_stride = dsc->src_stride * src_px_size;
+    int32_t src_stride = dsc->src_stride;
     const lv_opa_t * mask_buf = dsc->mask_buf;
     int32_t mask_stride = dsc->mask_stride;
 
@@ -403,7 +403,7 @@ LV_ATTRIBUTE_FAST_MEM static void argb8888_image_blend(_lv_draw_sw_blend_image_d
     uint8_t * dest_buf = dsc->dest_buf;
     int32_t dest_stride = dsc->dest_stride;
     const lv_color32_t * src_buf_c32 = dsc->src_buf;
-    int32_t src_stride = dsc->src_stride;
+    int32_t src_stride = dsc->src_stride / 4;
     const lv_opa_t * mask_buf = dsc->mask_buf;
     int32_t mask_stride = dsc->mask_stride;