From 24b9a7359ba618ae7a0cb778437fd5e0ab856695 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Hru=C5=A1ka?= <ondra@ondrovo.com>
Date: Sun, 13 Nov 2022 14:53:17 +0100
Subject: [PATCH] skoro funkcni bitmapa

---
 src/framebuffer.c     | 75 +++++++++++++++++++++++++++++++++++++++++--
 src/graphic_loading.c | 28 +++++++++++++---
 2 files changed, 95 insertions(+), 8 deletions(-)

diff --git a/src/framebuffer.c b/src/framebuffer.c
index 5edbb17..1e27eb0 100644
--- a/src/framebuffer.c
+++ b/src/framebuffer.c
@@ -181,6 +181,7 @@ void fb_bitmap(uint8_t x, uint8_t y, uint8_t w, uint8_t h, const uint8_t *map, u
         return;
     } else if (rowrem == 0) {
         // Optimization
+        uint8_t mapc0 = 0;
 
         // First
         for(uint8_t i = 0; i < w; i++) {
@@ -198,8 +199,9 @@ void fb_bitmap(uint8_t x, uint8_t y, uint8_t w, uint8_t h, const uint8_t *map, u
         h -= whole_cells * 8;
         for(uint8_t j = 0; j < whole_cells; j++) {
             cell += FBW;
+            mapc0 += w0;
             for(uint8_t i = 0; i < w; i++) {
-                uint8_t mask = map[i + (j+1)*w0];
+                uint8_t mask = map[i + mapc0];
                 if (color) {
                     fb[cell + i] |= mask;
                 } else {
@@ -209,11 +211,12 @@ void fb_bitmap(uint8_t x, uint8_t y, uint8_t w, uint8_t h, const uint8_t *map, u
         }
 
         // last
+        mapc0 += w0;
         cell += FBW;
 
         // last
         for(uint8_t i = 0; i < w; i++) {
-            uint8_t mask = map[i + (whole_cells+1)*w0] & (0xFF >> (8-h));
+            uint8_t mask = map[i + mapc0] & (0xFF >> (8-h));
             if (color) {
                 fb[cell + i] |= mask;
             } else {
@@ -222,7 +225,73 @@ void fb_bitmap(uint8_t x, uint8_t y, uint8_t w, uint8_t h, const uint8_t *map, u
         }
 
     } else {
-        // TODO wild combination, unaligned multi-row
+        uint8_t mapc0 = 0;
+
+        while (h > 0) {
+            // First
+            for (uint8_t i = 0; i < w; i++) {
+                uint8_t mask = (map[i + mapc0] & (0xFF >> (rowrem))) << rowrem;
+                if (color) {
+                    fb[cell + i] |= mask;
+                } else {
+                    fb[cell + i] &= ~mask;
+                }
+            }
+
+            //mapc0 += w0;
+            cell += FBW;
+
+            // leftover of the first row in map
+
+            // last
+            for (uint8_t i = 0; i < w; i++) {
+                uint8_t mask = map[i + mapc0] >> (8 - rowrem);
+                if (color) {
+                    fb[cell + i] |= mask;
+                } else {
+                    fb[cell + i] &= ~mask;
+                }
+            }
+
+            if (h > 8) {
+                h -= 8;
+            } else {
+                break;
+            }
+            mapc0 += w0;
+        }
+
+#if 0
+        // Middle
+        uint8_t whole_cells = h / 8;
+        h -= whole_cells * 8;
+        for(uint8_t j = 0; j < whole_cells; j++) {
+            cell += FBW;
+            mapc0 += w0;
+            for(uint8_t i = 0; i < w; i++) {
+                uint8_t mask = map[i + mapc0];
+                if (color) {
+                    fb[cell + i] |= mask;
+                } else {
+                    fb[cell + i] &= ~mask;
+                }
+            }
+        }
+
+        // last
+        mapc0 += w0;
+        cell += FBW;
+
+        // last
+        for(uint8_t i = 0; i < w; i++) {
+            uint8_t mask = map[i + mapc0] & (0xFF >> (8-h));
+            if (color) {
+                fb[cell + i] |= mask;
+            } else {
+                fb[cell + i] &= ~mask;
+            }
+        }
+#endif
     }
 }
 
diff --git a/src/graphic_loading.c b/src/graphic_loading.c
index bb7d17e..62a09a0 100644
--- a/src/graphic_loading.c
+++ b/src/graphic_loading.c
@@ -14,7 +14,7 @@ void show_loading_screen(uint8_t progress_percent, bool clear) {
     fb_clear();
     fb_blit();
 
-    const uint8_t icon[14] = {
+    const uint8_t ryba[14] = {
             0b11000011,
             0b01100110,
             0b01111110,
@@ -31,6 +31,7 @@ void show_loading_screen(uint8_t progress_percent, bool clear) {
             0b00011000,
     };
 
+
 #define ZIR_W 12
 #define ZIR_H 3
     const uint8_t zirafa[ZIR_H * ZIR_W] = {
@@ -73,14 +74,31 @@ void show_loading_screen(uint8_t progress_percent, bool clear) {
             0b00011111,
             0b11111000,
             0b00000000,
-
     };
 
+
+#if 1
+
+
+    int pos=0;
+    for(;;) {
+        fb_clear();
+        //fb_bitmap(0, pos, 14, 8, ryba, 1);
+        fb_bitmap(0, pos, ZIR_W, ZIR_H, zirafa, 1);
+        fb_blit();
+        _delay_ms(500);
+        pos++;
+        if (pos>31) {
+            pos = 0;
+        }
+    }
+#endif
+
     int a = 10;
     int b = 40;
     for (;;) {
         fb_bitmap(a, 0, ZIR_W, ZIR_H*8, zirafa, 0);
-        fb_bitmap(b, 16, 14, 8, icon, 0);
+        fb_bitmap(b, 16, 14, 8, ryba, 0);
         a++;
         b++;
         if(a>127) {
@@ -91,10 +109,10 @@ void show_loading_screen(uint8_t progress_percent, bool clear) {
             b = 0;
         }
         fb_bitmap(a, 0, ZIR_W, ZIR_H*8, zirafa, 1);
-        fb_bitmap(b, 16, 14, 8, icon, 1);
+        fb_bitmap(b, 16, 14, 8, ryba, 1);
 
         fb_blit();
-        _delay_ms(100);
+        _delay_ms(5);
     }