Update docs; Add key repeat flag; Fix fill rectangle

5 files changed, 64 insertions, 22 deletions

diff --git a/graphics.c b/graphics.c
index 79e3a6c..287b248 100755
--- a/graphics.c
+++ b/graphics.c
@@ -7,6 +7,8 @@
 #/
 #/    (C) 2025 Mitya Selivanov <guattari.tech>
 #/
+#/    Any use of this code is prohibited.
+#/
 #/  ================================================================
 #/
 #/    Self-testing shell script
@@ -20,6 +22,9 @@ gcc                               \
   -Wno-missing-braces             \
   -Wno-old-style-declaration      \
   -Wno-overlength-strings         \
+  -Wno-unused-parameter           \
+  -Wno-unused-variable            \
+  -Wno-unused-but-set-variable    \
   -O3 -D NDEBUG                   \
   -D ENABLE_WAYLAND=0             \
   -D GRAPHICS_TEST_SUITE          \
@@ -93,7 +98,6 @@ typedef struct {
 } Box;
 
 enum {
-  GRAPHICS_NOOP = 0,
   GRAPHICS_DRAW_PIXELS,
   GRAPHICS_FILL_RECTANGLE,
   GRAPHICS_FILL_TRIANGLE,
@@ -173,9 +177,9 @@ typedef struct {
 //
 //  ================================================================
 
-Box external_font_text_area(i32 font, vec2 scale, i64 num_chars, c32 *text);
+Box font_text_area_dispatch(i32 font, vec2 scale, i64 num_chars, c32 *text);
 
-void external_font_render_to_buffer(Pixel_Buffer dst, i32 font, vec4_f32 color, vec2 position, vec2 scale, i64 num_chars, c32 *text);
+void font_render_to_buffer_dispatch(Pixel_Buffer dst, i32 font, vec4_f32 color, vec2 position, vec2 scale, i64 num_chars, c32 *text);
 
 //  ================================================================
 
@@ -244,6 +248,7 @@ void draw_text_area  (i32 font, vec4_f32 color, Box area, vec2 max_size, i64 num
 void draw_text_cursor(i32 font, vec4_f32 color, Box area, vec2 max_size, i64 num_chars, c32 *text, i64 cursor, i64 selection);
 
 void perform_graphics_request(Graphics_Context context, Graphics_Request req);
+void clean_graphics_requests_cache(i64 amount);
 
 #endif // GRAPHICS_HEADER_GUARD_
 
@@ -335,16 +340,18 @@ void draw_pixels_to_buffer(Pixel_Buffer dst, Box area, Pixel_Buffer src) {
 
   PROFILER_begin(PROFILE_DRAW_PIXELS);
 
-  i64 i0 = (i64) floor(area.x);
-  i64 i1 = (i64) floor(area.x + area.width);
-  i64 j0 = (i64) floor(area.y);
-  i64 j1 = (i64) floor(area.y + area.height);
+  i64 i0 = (i64) floor(area.x + 0.5);
+  i64 i1 = (i64) floor(area.x + area.width + 0.5);
+  i64 j0 = (i64) floor(area.y + 0.5);
+  i64 j1 = (i64) floor(area.y + area.height + 0.5);
 
   if (i0 < 0)          i0 = 0;
   if (i1 > dst.width)  i1 = dst.width;
   if (j0 < 0)          j0 = 0;
   if (j1 > dst.height) j1 = dst.height;
 
+  //  FIXME, PERF: Use integer arithmetic.
+
   f64 di = src.width  / area.width;
   f64 dj = src.height / area.height;
   f64 jj = (j0 - area.y) * dj + dj * .5;
@@ -365,10 +372,10 @@ void draw_pixels_to_buffer(Pixel_Buffer dst, Box area, Pixel_Buffer src) {
 void fill_rectangle_to_buffer(Pixel_Buffer dst, vec4_f32 color, Box area) {
   PROFILER_begin(PROFILE_FILL_RECTANGLE);
 
-  i64 i0 = (i64) floor(area.x);
-  i64 i1 = (i64) floor(area.x + area.width);
-  i64 j0 = (i64) floor(area.y);
-  i64 j1 = (i64) floor(area.y + area.height);
+  i64 i0 = (i64) floor(area.x + 0.5);
+  i64 i1 = (i64) floor(area.x + area.width + 0.5);
+  i64 j0 = (i64) floor(area.y + 0.5);
+  i64 j1 = (i64) floor(area.y + area.height + 0.5);
 
   if (i0 < 0)          i0 = 0;
   if (i1 > dst.width)  i1 = dst.width;
@@ -815,8 +822,8 @@ static void draw_text_(Pixel_Buffer dst, vec4_f32 color, f64 x0, f64 y0, f64 sca
   }
 }
 
-#if !defined(GRAPHICS_ENABLE_EXTERNAL_FONT)
-Box external_font_text_area(i32 font, vec2 scale, i64 num_chars, c32 *text) {
+#if !defined(GRAPHICS_ENABLE_FONT_CUSTOM_DISPATCH)
+Box font_text_area_dispatch(i32 font, vec2 scale, i64 num_chars, c32 *text) {
   //  TODO
 
   (void) font;
@@ -827,7 +834,7 @@ Box external_font_text_area(i32 font, vec2 scale, i64 num_chars, c32 *text) {
   return (Box) {0};
 }
 
-void external_font_render_to_buffer(Pixel_Buffer dst, i32 font, vec4_f32 color, vec2 position, vec2 scale, i64 num_chars, c32 *text) {
+void font_render_to_buffer_dispatch(Pixel_Buffer dst, i32 font, vec4_f32 color, vec2 position, vec2 scale, i64 num_chars, c32 *text) {
   //  TODO
 
   (void) dst;
@@ -838,7 +845,7 @@ void external_font_render_to_buffer(Pixel_Buffer dst, i32 font, vec4_f32 color,
   (void) num_chars;
   (void) text;
 }
-#endif // !defined(GRAPHICS_ENABLE_EXTERNAL_FONT)
+#endif // !defined(GRAPHICS_ENABLE_FONT_CUSTOM_DISPATCH)
 
 void draw_text_area_to_buffer(Pixel_Buffer dst, i32 font, vec4_f32 color, Box area, vec2 max_size, i64 num_chars, c32 *text) {
   if (text == NULL || num_chars <= 0 || max_size.x < EPSILON || max_size.y < EPSILON)
@@ -2141,15 +2148,17 @@ void perform_graphics_request(Graphics_Context context, Graphics_Request req) {
   scale_and_perform_graphics_request_(graphics_context_defaults_(context), req);
 }
 
-void graphics_refresh_frame(void) {
-  Graphics_Cache_Slot_ *s = _graphics_cache + _graphics_cache_gc_index;
+void clean_graphics_requests_cache(i64 amount) {
+  for (; amount > 0; --amount) {
+    Graphics_Cache_Slot_ *s = _graphics_cache + _graphics_cache_gc_index;
 
-  i64 required_len = !s->occupied ? 0 : s->width * s->height;
+    i64 required_len = !s->occupied ? 0 : s->width * s->height;
 
-  if (s->buffer_len > required_len)
-    resize_dynamic_array_exact(&s->buffer_len, (void **) &s->buffer, sizeof *s->buffer, required_len);
+    if (s->buffer_len > required_len)
+      resize_dynamic_array_exact(&s->buffer_len, (void **) &s->buffer, sizeof *s->buffer, required_len);
 
-  _graphics_cache_gc_index = (_graphics_cache_gc_index + 1) % GRAPHICS_CACHE_SIZE;
+    _graphics_cache_gc_index = (_graphics_cache_gc_index + 1) % GRAPHICS_CACHE_SIZE;
+  }
 }
 
 //  ================================================================
diff --git a/index.htm b/index.htm
index 5079362..170acef 100644
--- a/index.htm
+++ b/index.htm
@@ -1,3 +1,15 @@
+<!--================================================================
+//
+//    index.htm
+//
+//  ----------------------------------------------------------------
+//
+//    (C) 2025 Mitya Selivanov <guattari.tech>
+//
+//    Any use of this code is prohibited.
+//
+//  ================================================================
+//  -->
 <!DOCTYPE html>
 <html style="height: 100%; overflow: hidden; overflow-x: hidden;">
   <head>
diff --git a/reduced_system_layer.c b/reduced_system_layer.c
index 131ee5c..63f647b 100755
--- a/reduced_system_layer.c
+++ b/reduced_system_layer.c
@@ -161,6 +161,8 @@
 #/
 #/    (C) 2025 Mitya Selivanov <guattari.tech>
 #/
+#/    Any use of this code is prohibited.
+#/
 #/  ================================================================
 #/
 #/    Self-testing shell script
@@ -174,6 +176,9 @@ gcc                                  \
   -Wno-missing-braces                \
   -Wno-old-style-declaration         \
   -Wno-overlength-strings            \
+  -Wno-unused-parameter              \
+  -Wno-unused-variable               \
+  -Wno-unused-but-set-variable       \
   -O3 -D NDEBUG                      \
   -fsanitize=undefined,address,leak  \
   -D REDUCED_SYSTEM_LAYER_TEST_SUITE \
@@ -594,6 +599,7 @@ typedef struct {
   b8  num    : 1;
   b8  scroll : 1;
   b8  meta   : 1;
+  b8  repeat : 1;
   u16 key;
   c32 c;
 } Input_Key;
@@ -1509,9 +1515,14 @@ void PROFILER_init(u32 slot, c8 *name) {
 }
 
 void PROFILER_begin(u32 slot) {
-  if ((i64) (u64) slot >= _profiler_num_slots)
+  if ((i64) (u64) slot >= _profiler_num_slots && slot == PROFILE_MEMORY)
     return;
 
+  if ((i64) (u64) slot >= _profiler_num_slots) {
+    LOG_ERROR("Invalid slot: %d", (i32) slot);
+    return;
+  }
+
   if (_profiler_slots[slot].count < 0) {
     LOG_ERROR("Sanity");
     return;
@@ -3533,6 +3544,7 @@ i32 handle_main_window_events(void) {
               .num    = !!(ev.xkey.state & Mod2Mask),
               .scroll = !!(ev.xkey.state & Mod3Mask),
               .meta   = !!(ev.xkey.state & Mod4Mask),
+              .repeat = _key_repeat[k],
               .key    = k,
               .c      = 0,
             };
@@ -3548,6 +3560,7 @@ i32 handle_main_window_events(void) {
                 .num    = !!(ev.xkey.state & Mod2Mask),
                 .scroll = !!(ev.xkey.state & Mod3Mask),
                 .meta   = !!(ev.xkey.state & Mod4Mask),
+                .repeat = _key_repeat[k],
                 .key    = k,
                 .c      = utf8_read(len, buf).code,
               };
@@ -3566,6 +3579,7 @@ i32 handle_main_window_events(void) {
 
         g_platform.key_down[MOD_CTRL]   = !!(ev.xkey.state & ControlMask);
         g_platform.key_down[MOD_SHIFT]  = !!(ev.xkey.state & ShiftMask);
+        .repeat = ,
         g_platform.key_down[MOD_ALT]    = !!(ev.xkey.state & Mod1Mask);
         g_platform.key_down[MOD_CAPS]   = !!(ev.xkey.state & LockMask);
         g_platform.key_down[MOD_NUM]    = !!(ev.xkey.state & Mod2Mask);
diff --git a/stackless_coroutine.c b/stackless_coroutine.c
index 6efb1c9..cb169e1 100755
--- a/stackless_coroutine.c
+++ b/stackless_coroutine.c
@@ -7,6 +7,8 @@
 #/
 #/    (C) 2025 Mitya Selivanov <guattari.tech>
 #/
+#/    Any use of this code is prohibited.
+#/
 #/  ================================================================
 #/
 #/    Self-testing shell script
@@ -19,6 +21,9 @@ gcc                                 \
   -Wno-missing-braces               \
   -Wno-old-style-declaration        \
   -Wno-overlength-strings           \
+  -Wno-unused-parameter             \
+  -Wno-unused-variable              \
+  -Wno-unused-but-set-variable      \
   -O3 -D NDEBUG                     \
   -D STACKLESS_COROUTINE_TEST_SUITE \
   -o $BIN $SRC &&                   \
diff --git a/test.c b/test.c
index 9d61923..6d9c4bb 100644
--- a/test.c
+++ b/test.c
@@ -45,6 +45,8 @@
 //
 //    (C) 2025 Mitya Selivanov <guattari.tech>
 //
+//    Any use of this code is prohibited.
+//
 //  ================================================================
 
 #if !defined(__wasm__)