ext/psd_native/compose.h in psd_native-0.4.0 vs ext/psd_native/compose.h in psd_native-0.5.0

@@ -4,10 +4,38 @@
 typedef struct AlphaValues {
   int mix;
   int dst;
 } AlphaValues;
 
+#define BLEND_CHANNEL(b, f, a) ((((b) << 8) + ((f) - (b)) * (a)) >> 8)
+
 VALUE psd_native_compose_normal(VALUE self, VALUE fg, VALUE bg, VALUE opts);
+VALUE psd_native_compose_darken(VALUE self, VALUE fg, VALUE bg, VALUE opts);
+VALUE psd_native_compose_multiply(VALUE self, VALUE fg, VALUE bg, VALUE opts);
+VALUE psd_native_compose_color_burn(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+PIXEL color_burn_foreground(PIXEL b, PIXEL f);
+VALUE psd_native_compose_linear_burn(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+VALUE psd_native_compose_lighten(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+VALUE psd_native_compose_screen(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+VALUE psd_native_compose_color_dodge(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+PIXEL color_dodge_foreground(PIXEL b, PIXEL f);
+VALUE psd_native_compose_linear_dodge(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+VALUE psd_native_compose_overlay(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+PIXEL overlay_foreground(PIXEL b, PIXEL f);
+VALUE psd_native_compose_soft_light(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+PIXEL soft_light_foreground(PIXEL b, PIXEL f);
+VALUE psd_native_compose_hard_light(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+PIXEL hard_light_foreground(PIXEL b, PIXEL f);
+VALUE psd_native_compose_vivid_light(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+PIXEL vivid_light_foreground(PIXEL b, PIXEL f);
+VALUE psd_native_compose_linear_light(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+PIXEL linear_light_foreground(PIXEL b, PIXEL f);
+VALUE psd_native_compose_pin_light(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+PIXEL pin_light_foreground(PIXEL b, PIXEL f);
+VALUE psd_native_compose_hard_mix(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+VALUE psd_native_compose_difference(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+VALUE psd_native_compose_exclusion(VALUE self, VALUE r_fg, VALUE r_bg, VALUE opts);
+
 void calculate_alphas(uint32_t fg, uint32_t bg, VALUE *opts);
 uint32_t calculate_opacity(VALUE *opts);
 uint32_t blend_channel(uint32_t bg, uint32_t fg, uint32_t a);
 
 #endif
\ No newline at end of file