add bitmap conversion from aseprite ico, add boot animation

aseprite_c/font/ico2h.rs

@@ -0,0 +1,56 @@
+use std::fs;
+use std::process::Command;
+use std::string::ToString;
+
+fn main() {
+    for entry in fs::read_dir(".").unwrap() {
+        let entry = entry.unwrap();
+        let path = entry.path();
+        
+        if !path.display().to_string().ends_with(".ico") {
+            continue;
+        }
+        
+        let name = path.file_stem().unwrap().to_str().unwrap();
+        
+        Command::new("/bin/convert").arg(&path).arg("./tmp.xbm").output().unwrap();
+        
+        let content = fs::read_to_string("./tmp.xbm").unwrap();
+        
+        let a = content.find('{').unwrap() + 1;
+        let b = content.find('}').unwrap();
+        
+        let bytes = &content[a..b].trim();
+        
+        let bytes = bytes.split(",")
+            .map(|s| s.trim())
+            .filter(|s| !s.is_empty())
+            .map(|s| u8::from_str_radix(&s[2..], 16).unwrap())
+            .collect::<Vec<_>>();
+        
+        assert!(bytes.len() == 8);
+        
+        let mut columns : [u8; 5] = [0,0,0,0,0];
+        
+        for (n, r) in bytes.iter().enumerate() {
+          for i in 0..5 {
+            if 0 != *r & (1<<i) {
+              columns[i] |= 1 << n;
+            }
+          } 
+        }        
+        
+        fn testchar(c : char) -> bool {
+          c.is_alphanumeric() || c=='_'
+        }
+        
+        let mut name = name.replace(|c:char|!testchar(c), "_");
+        if !name.starts_with(testchar) {
+          name = format!("_{}", name);
+        }
+        
+        println!("const uint8_t {}[5] = {{ {} }};", name, columns.iter().map(|c| format!("{:#04x}", !c)).collect::<Vec<_>>().join(", "));
+    }
+    
+    let _ = fs::remove_file("./tmp.xbm");
+}

aseprite_c/graphics/bitmaps.c

@@ -0,0 +1,71 @@
+#include "bitmaps.h"
+#include <stddef.h>
+#include <string.h>
+
+
+/* 84x48: boot_logo */
+// ····················································································
+// ·····································································████████·······
+// ························································█████████████····█···██·····
+// ···················█·······························█████····█·███·····███······█····
+// ······█·█····································██████···██·█████··███████·········█···
+// ·······█······························███████····██·█████·█·······███··········█····
+// ······█·█······················███████·····███·███████··██···················██·····
+// ···························██████·██·███·███·███████████·████·············███·······
+// ······················████████████·██··███··█████████·█████·············██·██·······
+// ··················█████·██·████···█·████···███████·███·············█████···██·······
+// ·············███████████·█████████████···██·······█············█████··█·█·█·██······
+// ············██████████·██████████··███████·················█████··█·██·█···███······
+// ·········██████··█··████·██·███···████·█···············████···█··███··█······██·····
+// ······███·████████████████████··██················█████··█···█·█·█···········█·█····
+// ···███████····················██··············████·█····█·····█················█····
+// ····██··························█·············█···█····██······················█····
+// ··██·····························█·······█·█·█···█····██·······················█····
+// ·█······························█·······█·█·█···█·█····························█····
+// ·█····························██·······█·█·█·····█····················█········█····
+// ··██······················████·█·█·█··█·······························█······█··█···
+// ····████···················█··█·█·█··█································█······█··█···
+// ·······█···················██·█·██··························█·········█······█··█···
+// ·······█····················█·██······█·····················█··········█·····█··█···
+// ·······█····················█·█········█··········█··········█·········█·····███····
+// ········█···················█··········█···········█·········█·····██████████·······
+// ········█····················█·········█············█·········█·███·················
+// ········█····················█··········█···········█·······████····················
+// ········█·····················█·········█············█·█████························
+// ········█······················█·········█·········████·····························
+// ········█·······················█········█····█████···██················█·█·········
+// ·········█······················█·········█·██···························█··········
+// ·········█······················█·······████····························█·█·········
+// ·········█······················█····███·····················█······················
+// ·········█·······················████·······················███·····················
+// ·········█·····················███···························█······················
+// ·········█········██████████████····················································
+// ··········█·██████·····························································█····
+// ···········█····························································█······█····
+// ··························································█············█·······█····
+// ··████·································█··················█······██····█··█····█····
+// ··█···█···██████···█████████····█·····███████···███████···█·····█··█····█·██····█···
+// ··█···█··██·····█·█·█··········█·█······█····█·█·█·······█·····█····█···█··█····█···
+// ··████····█·····██··█··········█·█······█····█···██████··█·····█····█···█··█····█···
+// ··█···█···██████··███████·····█···█·····█···█··███·······█·····█···█·····█·██···█···
+// ··█····█··██········█········███████····█··█·····█·······█······█·█······█·█·█·█····
+// ··█···█···█·██······█·····██··█····█··█████······█········█████··█········█···█·····
+// ██████····█···███····█████···█·····██············█··································
+// ··········█·····█···································································
+static const uint8_t G_BOOT_LOGO_BYTES[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x20, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0xc0, 0xc0, 0x40, 0xc0, 0xc0, 0x40, 0xc0, 0xa0, 0xa0, 0x20, 0xa0, 0xa0, 0xe0, 0x60, 0xd0, 0x90, 0xd0, 0xd0, 0xf0, 0xf0, 0xc8, 0xe8, 0xe8, 0xb8, 0xb8, 0x64, 0xd4, 0xb4, 0x94, 0x9c, 0x14, 0x0c, 0x0c, 0x1c, 0x14, 0x34, 0x34, 0x34, 0x12, 0x1a, 0x0a, 0x0a, 0x06, 0x82, 0x82, 0x82, 0x44, 0x44, 0x28, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0xc0, 0xc0, 0x60, 0x60, 0x60, 0x50, 0x30, 0x30, 0x38, 0x3c, 0x3c, 0x2c, 0x2c, 0x3c, 0x2e, 0x2e, 0x3e, 0x3e, 0x37, 0x3d, 0x2b, 0x3f, 0x3d, 0x2f, 0x3f, 0x3f, 0x5f, 0x4d, 0xad, 0x25, 0x16, 0x1d, 0x1f, 0x1e, 0x0a, 0x1b, 0x09, 0x0d, 0x04, 0x02, 0x03, 0x03, 0xc3, 0x43, 0x43, 0x43, 0xa5, 0x63, 0x23, 0x22, 0x21, 0x91, 0xd1, 0x31, 0x11, 0x08, 0x08, 0x28, 0x58, 0x2c, 0x04, 0x34, 0x1c, 0x16, 0x0a, 0x0a, 0x16, 0x0a, 0x05, 0x01, 0x04, 0x0b, 0x0f, 0x3c, 0x10, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x09, 0x09, 0x10, 0x10, 0x10, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x38, 0xe8, 0x08, 0xf4, 0x4c, 0x32, 0x29, 0x10, 0x08, 0x00, 0x10, 0x48, 0x84, 0x02, 0x05, 0x02, 0x05, 0x02, 0x01, 0x00, 0x00, 0x02, 0x05, 0x82, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x60, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x80, 0x87, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x06, 0x08, 0x10, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x8c, 0xb0, 0xc0, 0x80, 0x40, 0x40, 0x20, 0x20, 0x20, 0x20, 0x20, 0x11, 0x16, 0x18, 0x30, 0x28, 0x08, 0x08, 0x08, 0x08, 0x04, 0x05, 0x06, 0x04, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0xa1, 0x41, 0xa1, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x0f, 0x10, 0x20, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x0c, 0x05, 0x06, 0x02, 0x02, 0x02, 0x01, 0x01, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x02, 0x07, 0x02, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x20, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x7f, 0x44, 0x44, 0x44, 0x2b, 0x10, 0x00, 0x02, 0xff, 0x19, 0x29, 0x29, 0x49, 0x49, 0xc6, 0x04, 0x0a, 0x09, 0x3f, 0x49, 0x49, 0x49, 0x49, 0x41, 0x21, 0x21, 0x00, 0x50, 0x38, 0x16, 0x11, 0x16, 0x18, 0x70, 0x40, 0x00, 0x21, 0x21, 0x3f, 0x21, 0x21, 0x11, 0x09, 0x06, 0x00, 0x0a, 0x09, 0x7f, 0x05, 0x05, 0x05, 0x05, 0x05, 0x00, 0x00, 0x1e, 0x21, 0x20, 0x20, 0x20, 0x20, 0x0e, 0x11, 0x20, 0x10, 0x09, 0x06, 0x00, 0x00, 0x00, 0x07, 0x18, 0x21, 0x1f, 0x08, 0x10, 0x20, 0x10, 0x0f, 0x00, 0x00, 0x00 };
+
+static const struct BitmapImage bitmaps[] = { 
+    { .name="boot_logo", .width=84, .height=48, .bytes=G_BOOT_LOGO_BYTES },
+    {}
+};
+
+const struct BitmapImage *Bitmap_Get(const char *name) {
+    const struct BitmapImage *ptr = &bitmaps[0];
+    while (ptr->name) {
+        if (0 == strcmp(ptr->name, name)) {
+            return ptr;
+        }
+    }
+    return NULL;
+}
+    

aseprite_c/graphics/gfx2h.rs

@@ -0,0 +1,171 @@
+use std::fs::{self,OpenOptions};
+use std::process::Command;
+use std::string::ToString;
+use std::io::Write;
+
+fn main() {
+    let mut c_constants = Vec::new();
+    let mut c_table = Vec::new();
+
+    for entry in fs::read_dir(".").unwrap() {
+        let entry = entry.unwrap();
+        let path = entry.path();        
+        
+        if !path.display().to_string().ends_with(".ico") {
+            continue;
+        }
+        
+        let name = path.file_stem().unwrap().to_str().unwrap();
+        
+        Command::new("/bin/convert").arg(&path).arg("./tmp.xbm").output().unwrap();
+        
+        let content = fs::read_to_string("./tmp.xbm").unwrap();
+        
+        println!("\n------------------------------------------------------------------------\n");
+        
+        println!("{}", content);
+        
+        let mut lines = content.lines();
+        let l1 = lines.nth(0).unwrap();
+        let l2 = lines.nth(0).unwrap();
+        
+        let w : usize = l1[l1.find("width").unwrap()+6..].parse().unwrap();        
+        let h : usize = l2[l2.find("height").unwrap()+7..].parse().unwrap();
+                
+        let a = content.find('{').unwrap() + 1;
+        let b = content.find('}').unwrap();        
+        let bytes = &content[a..b].trim();
+        
+        let bytes = bytes.split(",")
+            .map(|s| s.trim())
+            .filter(|s| !s.is_empty())
+            .map(|s| ! u8::from_str_radix(&s[2..], 16).unwrap())
+            .collect::<Vec<_>>();
+            
+            
+        print!("---SOURCE--\n");
+        for y in 0..h {
+            for x in 0..(w-1)/8+1 {
+                for xx in 0..8 {                
+                    if (bytes[y*(((w-1)/8+1)) + x] & (1u8 << xx)) != 0 {
+                        print!("█");
+                    } else {
+                        print!("·");
+                    }
+                }
+            }
+             print!("\n");
+        }
+        println!("---\n");
+            
+        println!("name {},\nw {} h {},\nbytes {}", name, w, h, bytes.iter().map(|c| format!("{:#04x}", c)).collect::<Vec<_>>().join(", "));
+        
+        let bit_xy = |x : usize, y : usize| {
+            let xx = x / 8;
+            let nthbit = x % 8;
+            let n = y*((w-1)/8+1) + xx;
+            if n >= bytes.len() {
+                0u8
+            } else {            
+                let r = ((bytes[n] & (1 << nthbit)) >> nthbit) as u8;
+                r
+            }
+        };
+        
+        let result_cols = w;
+        let result_rows = ((h-1)/8)+1;
+        
+        let mut result = Vec::new();
+        
+        for y in 0..result_rows {
+            for x in 0..result_cols {
+                let mut buf = 0u8;
+                for yy in 0..8 {
+                    buf |= bit_xy(x, y * 8 + yy) << yy;
+                }
+                result.push(buf);
+            }
+        }
+        
+        //println!("final bytes {}", result.iter().map(|c| format!("{:#04x}", c)).collect::<Vec<_>>().join(", "));
+        
+        let mut render = String::new();
+        print!("---\n");
+        for y in 0..result_rows {
+            for yy in 0..8 {
+                if y*8+yy >= h {
+                    break;
+                }
+                render.push_str("// ");
+                for x in 0..result_cols {
+                    if (result[y*result_cols + x] & (1u8 << yy)) != 0 {
+                        print!("█");
+                        render.push_str("█");
+                    } else {
+                        print!("·");
+                        render.push_str("·");
+                    }
+                }
+                if yy == 7 {
+                    print!("/ end of byte row");
+                }
+                render.push_str("\n");
+                print!("\n");
+            }
+        }
+        println!("---\n");
+        
+        fn testchar(c : char) -> bool {
+          c.is_alphanumeric() || c=='_'
+        }
+        
+        let mut name = name.replace(|c:char|!testchar(c), "_");
+        if !name.starts_with(testchar) {
+          name = format!("_{}", name);
+        }
+        
+        c_constants.push(format!("\n/* {}x{}: {} */\n{}static const uint8_t G_{}_BYTES[] = {{ {} }};", 
+            w,h,
+            name,
+            render,
+            name.to_uppercase(),
+            result.iter().map(|c| format!("{:#04x}", c)).collect::<Vec<_>>().join(", ")
+        ));
+        
+        c_table.push(format!("{{ .name=\"{}\", .width={}, .height={}, .bytes=G_{}_BYTES }}", 
+            name,
+            w, h,
+            name.to_uppercase()
+        ));
+    }
+    
+    let c_source = format!(r##"#include "bitmaps.h"
+#include <stddef.h>
+#include <string.h>
+
+{}
+
+static const struct BitmapImage bitmaps[] = {{ 
+    {},
+    {{}}
+}};
+
+const struct BitmapImage *Bitmap_Get(const char *name) {{
+    const struct BitmapImage *ptr = &bitmaps[0];
+    while (ptr->name) {{
+        if (0 == strcmp(ptr->name, name)) {{
+            return ptr;
+        }}
+    }}
+    return NULL;
+}}
+    "##, 
+        c_constants.join("\n"),
+        c_table.join(",\n    ")
+    );
+    
+    let mut f = OpenOptions::new().write(true).create(true).truncate(true).open("./bitmaps.c").unwrap();
+    f.write(c_source.as_bytes()).unwrap();
+    
+    let _ = fs::remove_file("./tmp.xbm");
+}

main/CMakeLists.txt

@@ -6,10 +6,13 @@ set(COMPONENT_SRCS
         "liquid/liquid.c"
         "scenes/scene_root.c"
         "scenes/scene_car.c"
+        "scenes/scene_demo.c"
+        "scenes/scene_bootanim.c"
         "graphics/nokia.c"
         "graphics/utf8.c"
         "graphics/font.c"
         "graphics/drawing.c"
+        "graphics/bitmaps.c"
 )
 set(COMPONENT_ADD_INCLUDEDIRS "." "liquid" "graphics")
 

main/graphics/bitmaps.c

@@ -0,0 +1,71 @@
+#include "bitmaps.h"
+#include <stddef.h>
+#include <string.h>
+
+
+/* 84x48: boot_logo */
+// ····················································································
+// ·····································································████████·······
+// ························································█████████████····█···██·····
+// ···················█·······························█████····█·███·····███······█····
+// ······█·█····································██████···██·█████··███████·········█···
+// ·······█······························███████····██·█████·█·······███··········█····
+// ······█·█······················███████·····███·███████··██···················██·····
+// ···························██████·██·███·███·███████████·████·············███·······
+// ······················████████████·██··███··█████████·█████·············██·██·······
+// ··················█████·██·████···█·████···███████·███·············█████···██·······
+// ·············███████████·█████████████···██·······█············█████··█·█·█·██······
+// ············██████████·██████████··███████·················█████··█·██·█···███······
+// ·········██████··█··████·██·███···████·█···············████···█··███··█······██·····
+// ······███·████████████████████··██················█████··█···█·█·█···········█·█····
+// ···███████····················██··············████·█····█·····█················█····
+// ····██··························█·············█···█····██······················█····
+// ··██·····························█·······█·█·█···█····██·······················█····
+// ·█······························█·······█·█·█···█·█····························█····
+// ·█····························██·······█·█·█·····█····················█········█····
+// ··██······················████·█·█·█··█·······························█······█··█···
+// ····████···················█··█·█·█··█································█······█··█···
+// ·······█···················██·█·██··························█·········█······█··█···
+// ·······█····················█·██······█·····················█··········█·····█··█···
+// ·······█····················█·█········█··········█··········█·········█·····███····
+// ········█···················█··········█···········█·········█·····██████████·······
+// ········█····················█·········█············█·········█·███·················
+// ········█····················█··········█···········█·······████····················
+// ········█·····················█·········█············█·█████························
+// ········█······················█·········█·········████·····························
+// ········█·······················█········█····█████···██················█·█·········
+// ·········█······················█·········█·██···························█··········
+// ·········█······················█·······████····························█·█·········
+// ·········█······················█····███·····················█······················
+// ·········█·······················████·······················███·····················
+// ·········█·····················███···························█······················
+// ·········█········██████████████····················································
+// ··········█·██████·····························································█····
+// ···········█····························································█······█····
+// ··························································█············█·······█····
+// ··████·································█··················█······██····█··█····█····
+// ··█···█···██████···█████████····█·····███████···███████···█·····█··█····█·██····█···
+// ··█···█··██·····█·█·█··········█·█······█····█·█·█·······█·····█····█···█··█····█···
+// ··████····█·····██··█··········█·█······█····█···██████··█·····█····█···█··█····█···
+// ··█···█···██████··███████·····█···█·····█···█··███·······█·····█···█·····█·██···█···
+// ··█····█··██········█········███████····█··█·····█·······█······█·█······█·█·█·█····
+// ··█···█···█·██······█·····██··█····█··█████······█········█████··█········█···█·····
+// ██████····█···███····█████···█·····██············█··································
+// ··········█·····█···································································
+static const uint8_t G_BOOT_LOGO_BYTES[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x20, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0xc0, 0xc0, 0x40, 0xc0, 0xc0, 0x40, 0xc0, 0xa0, 0xa0, 0x20, 0xa0, 0xa0, 0xe0, 0x60, 0xd0, 0x90, 0xd0, 0xd0, 0xf0, 0xf0, 0xc8, 0xe8, 0xe8, 0xb8, 0xb8, 0x64, 0xd4, 0xb4, 0x94, 0x9c, 0x14, 0x0c, 0x0c, 0x1c, 0x14, 0x34, 0x34, 0x34, 0x12, 0x1a, 0x0a, 0x0a, 0x06, 0x82, 0x82, 0x82, 0x44, 0x44, 0x28, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0xc0, 0xc0, 0x60, 0x60, 0x60, 0x50, 0x30, 0x30, 0x38, 0x3c, 0x3c, 0x2c, 0x2c, 0x3c, 0x2e, 0x2e, 0x3e, 0x3e, 0x37, 0x3d, 0x2b, 0x3f, 0x3d, 0x2f, 0x3f, 0x3f, 0x5f, 0x4d, 0xad, 0x25, 0x16, 0x1d, 0x1f, 0x1e, 0x0a, 0x1b, 0x09, 0x0d, 0x04, 0x02, 0x03, 0x03, 0xc3, 0x43, 0x43, 0x43, 0xa5, 0x63, 0x23, 0x22, 0x21, 0x91, 0xd1, 0x31, 0x11, 0x08, 0x08, 0x28, 0x58, 0x2c, 0x04, 0x34, 0x1c, 0x16, 0x0a, 0x0a, 0x16, 0x0a, 0x05, 0x01, 0x04, 0x0b, 0x0f, 0x3c, 0x10, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x09, 0x09, 0x10, 0x10, 0x10, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x38, 0xe8, 0x08, 0xf4, 0x4c, 0x32, 0x29, 0x10, 0x08, 0x00, 0x10, 0x48, 0x84, 0x02, 0x05, 0x02, 0x05, 0x02, 0x01, 0x00, 0x00, 0x02, 0x05, 0x82, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x60, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x80, 0x87, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x06, 0x08, 0x10, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x8c, 0xb0, 0xc0, 0x80, 0x40, 0x40, 0x20, 0x20, 0x20, 0x20, 0x20, 0x11, 0x16, 0x18, 0x30, 0x28, 0x08, 0x08, 0x08, 0x08, 0x04, 0x05, 0x06, 0x04, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0xa1, 0x41, 0xa1, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x0f, 0x10, 0x20, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x0c, 0x05, 0x06, 0x02, 0x02, 0x02, 0x01, 0x01, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x02, 0x07, 0x02, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x20, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x7f, 0x44, 0x44, 0x44, 0x2b, 0x10, 0x00, 0x02, 0xff, 0x19, 0x29, 0x29, 0x49, 0x49, 0xc6, 0x04, 0x0a, 0x09, 0x3f, 0x49, 0x49, 0x49, 0x49, 0x41, 0x21, 0x21, 0x00, 0x50, 0x38, 0x16, 0x11, 0x16, 0x18, 0x70, 0x40, 0x00, 0x21, 0x21, 0x3f, 0x21, 0x21, 0x11, 0x09, 0x06, 0x00, 0x0a, 0x09, 0x7f, 0x05, 0x05, 0x05, 0x05, 0x05, 0x00, 0x00, 0x1e, 0x21, 0x20, 0x20, 0x20, 0x20, 0x0e, 0x11, 0x20, 0x10, 0x09, 0x06, 0x00, 0x00, 0x00, 0x07, 0x18, 0x21, 0x1f, 0x08, 0x10, 0x20, 0x10, 0x0f, 0x00, 0x00, 0x00 };
+
+static const struct BitmapImage bitmaps[] = { 
+    { .name="boot_logo", .width=84, .height=48, .bytes=G_BOOT_LOGO_BYTES },
+    {}
+};
+
+const struct BitmapImage *Bitmap_Get(const char *name) {
+    const struct BitmapImage *ptr = &bitmaps[0];
+    while (ptr->name) {
+        if (0 == strcmp(ptr->name, name)) {
+            return ptr;
+        }
+    }
+    return NULL;
+}
+    

main/graphics/bitmaps.h

@@ -0,0 +1,21 @@
+/**
+ * TODO file description
+ * 
+ * Created on 2020/01/05.
+ */
+
+#ifndef BITMAPS_H
+#define BITMAPS_H
+
+#include <stdint.h>
+
+struct BitmapImage {
+    const char *name;
+    uint8_t width;
+    uint8_t height;
+    const uint8_t* bytes;
+};
+
+const struct BitmapImage *Bitmap_Get(const char *name);
+
+#endif //BITMAPS_H

main/graphics/drawing.c

@@ -282,12 +282,10 @@ void LCD_setStrEx(const char *dString, int x, int y, enum Color bw, uint8_t styl
 // This function will draw an array over the screen. (For now) the
 // array must be the same size as the screen, covering the entirety
 // of the display.
-// Also, the array must reside in FLASH and declared with PROGMEM.
-void LCD_setBitmap(const char *bitArray)
+void LCD_setBitmap(const uint8_t *bitArray)
 {
     for (int i = 0; i < (LCD_WIDTH * LCD_HEIGHT / 8); i++) {
-        char c = bitArray[i];
-        LCD_displayMap[i] = c;
+        LCD_displayMap[i] = bitArray[i];
     }
 }
 

main/graphics/drawing.h

@@ -4,8 +4,8 @@
  * Created on 2020/01/05.
  */
 
-#ifndef REFLOWER_DRAWING_H
-#define REFLOWER_DRAWING_H
+#ifndef LCD_DRAWING_H
+#define LCD_DRAWING_H
 
 #include <stdint.h>
 #include <stdbool.h>
@@ -34,6 +34,8 @@ void LCD_setRect(int x0, int y0, int x1, int y1, bool fill, enum Color bw);
 // thickness ranging from 1 to the radius of the circle.
 void LCD_setCircle (int x0, int y0, int radius, enum Color bw, int lineThickness);
 
+void LCD_setBitmap(const uint8_t *bitArray);
+
 /*
  FONT FUNCTIONS
  size = 1 ... normal
@@ -72,4 +74,4 @@ void LCD_clearDisplay(enum Color bw);
 /* Invert colors (hard change in data; does NOT send to display immediately) */
 void LCD_invertDisplayData();
 
-#endif //REFLOWER_DRAWING_H
+#endif //LCD_DRAWING_H

main/graphics/nokia.h

@@ -2,8 +2,8 @@
  * Driver for Nokia 5110 SPI LCD display
  */
 
-#ifndef GFX_NOKIA
-#define GFX_NOKIA
+#ifndef GFX_NOKIA_H
+#define GFX_NOKIA_H
 
 /* Pin definitions:
 Most of these pins can be moved to any digital or analog pin.
@@ -36,4 +36,4 @@ void LCD_invertDisplay(bool invert);
 //This sends the magical commands to the PCD8544
 void LCD_setup(void);
 
-#endif // GFX_NOKIA
+#endif // GFX_NOKIA_H

main/liquid/gui.c

@@ -53,11 +53,10 @@ static void __attribute__((noreturn)) gui_thread(void *arg) {
     uint32_t last_wheel_time = 0;
 
     while (1) {
+        bool want_repaint = false;
         uint32_t value = 0;
         xTaskNotifyWait(0, ULONG_MAX, &value, pdMS_TO_TICKS(10));
 
-        bool want_repaint = false;
-
         if (value & 0b10000) {
             // TICK
             want_repaint |= Liquid_handleTick(liquid);
@@ -72,6 +71,7 @@ static void __attribute__((noreturn)) gui_thread(void *arg) {
         if (value & 0b11) {
             uint32_t time = xTaskGetTickCount();
             uint32_t increment = 1;
+            // wheel delta changes with speed
             if (last_wheel_time != 0) {
                 uint32_t ela = time - last_wheel_time;
                 if (ela < pdMS_TO_TICKS(20)) {

main/liquid/liquid.c

@@ -9,6 +9,8 @@
 static const char *TAG = "Liquid";
 
 extern struct Scene *NewScene_Root(void);
+static struct SceneEvent Liquid_initTopScene(struct Liquid *container);
+static bool processReturnValue(struct Liquid *container, struct SceneEvent result);
 
 struct RunningScene {
     struct Scene *scene;
@@ -27,7 +29,6 @@ static struct SceneEvent Default_onChildReturn(struct Scene *scene, uint32_t tag
 static void addChild(struct Liquid *container, struct Scene *child) {
     struct RunningScene *elm = calloc(1, sizeof(struct RunningScene));
     if (!child->onChildReturn) child->onChildReturn = Default_onChildReturn;
-    assert(child->paint != NULL);
     elm->scene = child;
     SLIST_INSERT_HEAD(&container->stack, elm, next);
 }
@@ -36,7 +37,12 @@ struct Liquid *Liquid_start(void) {
     struct Liquid *container = calloc(1, sizeof(struct Liquid));
 
     addChild(container, NewScene_Root());
-    Liquid_paint(container);
+
+    struct SceneEvent result = Liquid_initTopScene(container);
+
+    if (processReturnValue(container, result)) {
+        Liquid_paint(container);
+    }
     return container;
 }
 
@@ -69,7 +75,7 @@ static struct SceneEvent handleSceneEvent(struct Liquid *container, struct Scene
             newScene = event.open.scene;
             newScene->tag = event.open.tag;
             addChild(container, newScene);
-            return SceneEvent_Repaint();
+            return Liquid_initTopScene(container);
 
         case SceneEventKind_RequestRepaint:
         case SceneEventKind_None:
@@ -79,6 +85,9 @@ static struct SceneEvent handleSceneEvent(struct Liquid *container, struct Scene
     }
 }
 
+/**
+ * returns true if repaint is requested
+ */
 static bool processReturnValue(struct Liquid *container, struct SceneEvent result) {
     bool repaint = false;
     while (result.kind != SceneEventKind_None) {
@@ -122,10 +131,23 @@ bool Liquid_handleTick(struct Liquid *container) {
     }
 }
 
+static struct SceneEvent Liquid_initTopScene(struct Liquid *container) {
+    struct RunningScene *topmost = SLIST_FIRST(&container->stack);
+    assert(topmost != NULL);
+    assert(topmost->scene != NULL);
+    if (topmost->scene->init) {
+        return topmost->scene->init(topmost->scene);
+    } else {
+        return SceneEvent_Repaint();
+    }
+}
+
 void Liquid_paint(struct Liquid *container) {
     struct RunningScene *topmost = SLIST_FIRST(&container->stack);
     assert(topmost != NULL);
-    topmost->scene->paint(topmost->scene);
+    if (topmost->scene->paint) {
+        topmost->scene->paint(topmost->scene);
+    }
 
     LCD_updateDisplay();
 }

main/liquid/scene_type.h

@@ -40,6 +40,14 @@ typedef struct SceneEvent (*Scene_onChildReturn_t)(struct Scene *scene, uint32_t
  */
 typedef struct SceneEvent (*Scene_onTick_t)(struct Scene *scene);
 
+/**
+ * Scene::init fp type
+ *
+ * @param scene - self
+ * @return follow-up scene event, can be SceneEvent_None() if not used.
+ */
+typedef struct SceneEvent (*Scene_init_t)(struct Scene *scene);
+
 /**
  * Scene::paint fp type
  *
@@ -65,6 +73,12 @@ struct Scene {
      */
     uint32_t tag;
 
+    /**
+     * Init function, called once after the scene has been opened.
+     * Nullable field.
+     */
+    Scene_init_t init;
+
     /**
      * Handle input event.
      * Can return a follow-up scene event, e.g. repaint request.
@@ -90,8 +104,7 @@ struct Scene {
     /**
      * Draw the scene to the LCD buffer.
      * DO NOT write to the display yet, it will be done by the GUI engine.
-     *
-     * MANDATORY FIELD
+     * Nullable field.
      */
     Scene_paint_t paint;
 

main/scenes/scene_bootanim.c

@@ -0,0 +1,36 @@
+#include <malloc.h>
+#include <stdio.h>
+#include <graphics/bitmaps.h>
+
+#include "scenes.h"
+#include "liquid.h"
+#include "analog.h"
+#include "graphics/nokia.h"
+#include "graphics/drawing.h"
+
+struct BootScene {
+    struct Scene base;
+    uint32_t cnt;
+};
+
+static struct SceneEvent Boot_onTick(struct BootScene *self) {
+    self->cnt += 10; // ms
+    if (self->cnt == 2000) {
+        return SceneEvent_Close(0, NULL);
+    }
+
+    return SceneEvent_None();
+}
+
+static void Boot_paint(struct BootScene *self)
+{
+    LCD_clearDisplay(0);
+    LCD_setBitmap(Bitmap_Get("boot_logo")->bytes);
+}
+
+struct Scene *NewScene_Boot(void) {
+    struct BootScene *scene = calloc(1, sizeof(struct BootScene));
+    scene->base.paint = (Scene_paint_t) Boot_paint;
+    scene->base.onTick = (Scene_onTick_t) Boot_onTick;
+    return (struct Scene *) scene;
+}

main/scenes/scene_demo.c

@@ -0,0 +1,92 @@
+#include <malloc.h>
+#include <stdio.h>
+#include <graphics/bitmaps.h>
+
+#include "scenes.h"
+#include "liquid.h"
+#include "analog.h"
+#include "graphics/nokia.h"
+#include "graphics/drawing.h"
+
+/**
+ * The struct is allocated bigger than 'Scene' to accommodate private fields.
+ * Since the base struct is located at the beginning, it can be cast and passed around as Scene.
+ */
+struct DemoScene {
+    struct Scene base;
+    int32_t pos;
+    uint32_t timer_phase;
+    uint32_t timer_prescale;
+};
+
+static struct SceneEvent Demo_onInput(struct DemoScene *self, struct InputEvent event) {
+    switch (event.kind) {
+        case InputEventKind_Wheel:
+            self->pos += event.wheel.delta;
+            break;
+
+        case InputEventKind_Button:
+            if (event.button.state) {
+                return SceneEvent_OpenChild(NewScene_Car(), 0);
+            }
+            break;
+    }
+
+    return SceneEvent_Repaint();
+}
+
+static struct SceneEvent Demo_onTick(struct DemoScene *self) {
+    // top text anim
+    self->timer_prescale += 1;
+
+    if (self->timer_prescale == 100) {
+        self->timer_prescale = 0;
+        self->timer_phase += 1;
+        self->timer_phase = self->timer_phase & 0b11; // 0..3
+
+        return SceneEvent_Repaint();
+    }
+
+    return SceneEvent_None();
+}
+
+static void Demo_paint(struct DemoScene *self)
+{
+    LCD_clearDisplay(0);
+
+    const char *header = "???";
+    switch (self->timer_phase) {
+        case 0:
+            header = "Drink water";
+            break;
+        case 1:
+            header = " Drink water";
+            break;
+        case 2:
+            header = "  Drink water";
+            break;
+        case 3:
+            header = " Drink water";
+            break;
+    }
+
+    LCD_setStrEx(header, 0, 3, 1, 3);
+
+    LCD_setRect(0, 12, 83, 31, 1, 1);
+    char buf[10];
+//    sprintf(buf, "%3d", priv->pos);
+//    LCD_setStr(buf, 2, 15, 0);
+    sprintf(buf, "🌡%.0f°C", analog_read());
+    LCD_setStrEx(buf, 2, 14, 0, 2);
+
+    LCD_setStr("×↑↓←→⏰⌛☸⏎🌡°🔙▶◀", 2, 33, 1);
+}
+
+struct Scene *NewScene_Demo(void) {
+    struct DemoScene *scene = calloc(1, sizeof(struct DemoScene));
+
+    scene->base.onInput = (Scene_onInput_t) Demo_onInput;
+    scene->base.paint = (Scene_paint_t) Demo_paint;
+    scene->base.onTick = (Scene_onTick_t) Demo_onTick;
+    return (struct Scene *) scene;
+}

main/scenes/scene_root.c

@@ -1,5 +1,6 @@
 #include <malloc.h>
 #include <stdio.h>
+#include <graphics/bitmaps.h>
 
 #include "scenes.h"
 #include "liquid.h"
@@ -13,78 +14,31 @@
  */
 struct RootScene {
     struct Scene base;
-    int32_t pos;
-    uint32_t timer_phase;
-    uint32_t timer_prescale;
 };
 
-static struct SceneEvent Root_onInput(struct RootScene *self, struct InputEvent event) {
-    switch (event.kind) {
-        case InputEventKind_Wheel:
-            self->pos += event.wheel.delta;
-            break;
-
-        case InputEventKind_Button:
-            if (event.button.state) {
-                return SceneEvent_OpenChild(NewScene_Car(), 0);
-            }
-            break;
-    }
-
-    return SceneEvent_Repaint();
-}
-
-static struct SceneEvent Root_onTick(struct RootScene *self) {
-    self->timer_prescale += 1;
-
-    if (self->timer_prescale == 100) {
-        self->timer_prescale = 0;
-        self->timer_phase += 1;
-        self->timer_phase = self->timer_phase & 0b11; // 0..3
-
-        return SceneEvent_Repaint();
-    }
-
-    return SceneEvent_None();
+static struct SceneEvent Root_init(struct RootScene *self)
+{
+    return SceneEvent_OpenChild(NewScene_Boot(), 1);
 }
 
-static void Root_paint(struct RootScene *self)
+struct SceneEvent Root_onChildReturn(
+    struct RootScene *self,
+    uint32_t tag,
+    int32_t status,
+    void *data)
 {
-    LCD_clearDisplay(0);
-    const char *header = "???";
-    switch (self->timer_phase) {
-        case 0:
-            header = "Drink water";
-            break;
-        case 1:
-            header = " Drink water";
-            break;
-        case 2:
-            header = "  Drink water";
-            break;
-        case 3:
-            header = " Drink water";
-            break;
+    if (tag == 1) {
+        return SceneEvent_OpenChild(NewScene_Demo(), 0);
     }
 
-    LCD_setStrEx(header, 0, 3, 1, 3);
-
-    LCD_setRect(0, 12, 83, 31, 1, 1);
-    char buf[10];
-//    sprintf(buf, "%3d", priv->pos);
-//    LCD_setStr(buf, 2, 15, 0);
-    sprintf(buf, "🌡%.0f°C", analog_read());
-    LCD_setStrEx(buf, 2, 14, 0, 2);
-
-    LCD_setStr("×↑↓←→⏰⌛☸⏎🌡°🔙▶◀", 2, 33, 1);
-    LCD_updateDisplay();
+    // this should be unreachable
+    return SceneEvent_None();
 }
 
 struct Scene *NewScene_Root(void) {
     struct RootScene *scene = calloc(1, sizeof(struct RootScene));
 
-    scene->base.onInput = (Scene_onInput_t) Root_onInput;
-    scene->base.paint = (Scene_paint_t) Root_paint;
-    scene->base.onTick = (Scene_onTick_t) Root_onTick;
+    scene->base.init = (Scene_init_t) Root_init;
+    scene->base.onChildReturn = (Scene_onChildReturn_t) Root_onChildReturn;
     return (struct Scene *) scene;
 }

main/scenes/scenes.h

@@ -8,6 +8,8 @@
 #define REFLOWER_SCENES_H
 
 struct Scene *NewScene_Root(void);
+struct Scene *NewScene_Boot(void);
+struct Scene *NewScene_Demo(void);
 struct Scene *NewScene_Car(void);
 
 #endif //REFLOWER_SCENES_H