morph

commit e5309c10078b6479f53a83f28b53339362f7c05d
parent 8f5068ee106057673a70658fdf61e93b10e00ae7
Author: Pollux <pollux@pollux.codes>
Date:   Sun, 20 Jul 2025 21:07:34 -0500

fix: Fine-tune algorithm

Signed-off-by: Pollux <pollux@pollux.codes>

Diffstat:
M
morph.c
 | 
13
+++++++------

1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/morph.c b/morph.c
@@ -316,8 +316,9 @@ match_color(col_lab_t *palette, float *palette_weights, size_t palette_size,
 	for(int c = 0; c < palette_size; c++) {
 		col_lab_t       palette_color = palette[c];
 		float           color_distance =
-		        sqrtf(0.2 * (palette_color.l - target_color.l) *
-		              (palette_color.l - target_color.l) +
+		        sqrtf((palette_color.l -
+		               target_color.l) * (palette_color.l -
+		                                  target_color.l) +
 		              (palette_color.a -
 		               target_color.a) * (palette_color.a -
 		                                  target_color.a) +
@@ -387,7 +388,7 @@ main(int argc, char **argv) {
 
 	col_lab_t       color;
 
-	TARGET_COLOR("st.color0", 0, 0, 0, 0.2);
+	TARGET_COLOR("st.color0", 0, 0, 0, 0.25);
 	TARGET_COLOR("st.color1", 1, 0, 0, 0.7);
 	TARGET_COLOR("st.color2", 0, 1, 0, 0.7);
 	TARGET_COLOR("st.color3", 1, 1, 0, 0.7);
@@ -402,9 +403,9 @@ main(int argc, char **argv) {
 	TARGET_COLOR("st.color12", 0, 0, 1, 0.8);
 	TARGET_COLOR("st.color13", 1, 0, 1, 0.8);
 	TARGET_COLOR("st.color14", 0, 1, 1, 0.8);
-	TARGET_COLOR("st.color15", 0, 0, 0, 1.0);
-	TARGET_COLOR("st.surface", 0, 0, 0, 0.1);
-	TARGET_COLOR("st.on_surface", 0, 0, 0, 1.0);
+	TARGET_COLOR("st.color15", 0, 0, 0, 0.9);
+	TARGET_COLOR("st.surface", 0, 0, 0, 0.15);
+	TARGET_COLOR("st.on_surface", 0, 0, 0, 0.95);
 
 	free(image_pixels);
 	free(image_pixels_lab);