code cleanup: use more specific args

1 files changed, 17 insertions, 15 deletions

diff --git a/source/blender/imbuf/intern/rectop.c b/source/blender/imbuf/intern/rectop.c
index ab805ea6666..c3e23246638 100644
--- a/source/blender/imbuf/intern/rectop.c
+++ b/source/blender/imbuf/intern/rectop.c
@@ -46,19 +46,19 @@
 
 /* blend modes */
 
-static void blend_color_mix(char *cp, char *cp1, char *cp2, int fac)
+static void blend_color_mix(char cp[3], const char cp1[3], const char cp2[3], const int fac)
 {
 	/* this and other blending modes previously used >>8 instead of /255. both
 	 * are not equivalent (>>8 is /256), and the former results in rounding
 	 * errors that can turn colors black fast after repeated blending */
-	int mfac = 255 - fac;
+	const int mfac = 255 - fac;
 
 	cp[0] = (mfac * cp1[0] + fac * cp2[0]) / 255;
 	cp[1] = (mfac * cp1[1] + fac * cp2[1]) / 255;
 	cp[2] = (mfac * cp1[2] + fac * cp2[2]) / 255;
 }
 
-static void blend_color_add(char *cp, char *cp1, char *cp2, int fac)
+static void blend_color_add(char cp[3], const char cp1[3], const char cp2[3], const int fac)
 {
 	int temp;
 
@@ -70,7 +70,7 @@ static void blend_color_add(char *cp, char *cp1, char *cp2, int fac)
 	if (temp > 254) cp[2] = 255; else cp[2] = temp;
 }
 
-static void blend_color_sub(char *cp, char *cp1, char *cp2, int fac)
+static void blend_color_sub(char cp[3], const char cp1[3], const char cp2[3], const int fac)
 {
 	int temp;
 
@@ -82,7 +82,7 @@ static void blend_color_sub(char *cp, char *cp1, char *cp2, int fac)
 	if (temp < 0) cp[2] = 0; else cp[2] = temp;
 }
 
-static void blend_color_mul(char *cp, char *cp1, char *cp2, int fac)
+static void blend_color_mul(char cp[3], const char cp1[3], const char cp2[3], const int fac)
 {
 	int mfac = 255 - fac;
 	
@@ -92,7 +92,7 @@ static void blend_color_mul(char *cp, char *cp1, char *cp2, int fac)
 	cp[2] = (mfac * cp1[2] + fac * ((cp1[2] * cp2[2]) / 255)) / 255;
 }
 
-static void blend_color_lighten(char *cp, char *cp1, char *cp2, int fac)
+static void blend_color_lighten(char cp[3], const char cp1[3], const char cp2[3], const int fac)
 {
 	/* See if are lighter, if so mix, else don't do anything.
 	 * if the paint col is darker then the original, then ignore */
@@ -101,11 +101,12 @@ static void blend_color_lighten(char *cp, char *cp1, char *cp2, int fac)
 		cp[1] = cp1[1];
 		cp[2] = cp1[2];
 	}
-	else
+	else {
 		blend_color_mix(cp, cp1, cp2, fac);
+	}
 }
 
-static void blend_color_darken(char *cp, char *cp1, char *cp2, int fac)
+static void blend_color_darken(char cp[3], const char cp1[3], const char cp2[3], const int fac)
 {
 	/* See if were darker, if so mix, else don't do anything.
 	 * if the paint col is brighter then the original, then ignore */
@@ -114,8 +115,9 @@ static void blend_color_darken(char *cp, char *cp1, char *cp2, int fac)
 		cp[1] = cp1[1];
 		cp[2] = cp1[2];
 	}
-	else
+	else {
 		blend_color_mix(cp, cp1, cp2, fac);
+	}
 }
 
 unsigned int IMB_blend_color(unsigned int src1, unsigned int src2, int fac, IMB_BlendMode mode)
@@ -162,7 +164,7 @@ unsigned int IMB_blend_color(unsigned int src1, unsigned int src2, int fac, IMB_
 	return dst;
 }
 
-static void blend_color_mix_float(float *cp, float *cp1, float *cp2, float fac)
+static void blend_color_mix_float(float cp[3], const float cp1[3], const float cp2[3], const float fac)
 {
 	float mfac = 1.0f - fac;
 	cp[0] = mfac * cp1[0] + fac * cp2[0];
@@ -170,7 +172,7 @@ static void blend_color_mix_float(float *cp, float *cp1, float *cp2, float fac)
 	cp[2] = mfac * cp1[2] + fac * cp2[2];
 }
 
-static void blend_color_add_float(float *cp, float *cp1, float *cp2, float fac)
+static void blend_color_add_float(float cp[3], const float cp1[3], const float cp2[3], const float fac)
 {
 	cp[0] = cp1[0] + fac * cp2[0];
 	cp[1] = cp1[1] + fac * cp2[1];
@@ -181,7 +183,7 @@ static void blend_color_add_float(float *cp, float *cp1, float *cp2, float fac)
 	if (cp[2] > 1.0f) cp[2] = 1.0f;
 }
 
-static void blend_color_sub_float(float *cp, float *cp1, float *cp2, float fac)
+static void blend_color_sub_float(float cp[3], const float cp1[3], const float cp2[3], const float fac)
 {
 	cp[0] = cp1[0] - fac * cp2[0];
 	cp[1] = cp1[1] - fac * cp2[1];
@@ -192,7 +194,7 @@ static void blend_color_sub_float(float *cp, float *cp1, float *cp2, float fac)
 	if (cp[2] < 0.0f) cp[2] = 0.0f;
 }
 
-static void blend_color_mul_float(float *cp, float *cp1, float *cp2, float fac)
+static void blend_color_mul_float(float cp[3], const float cp1[3], const float cp2[3], const float fac)
 {
 	float mfac = 1.0f - fac;
 	
@@ -201,7 +203,7 @@ static void blend_color_mul_float(float *cp, float *cp1, float *cp2, float fac)
 	cp[2] = mfac * cp1[2] + fac * (cp1[2] * cp2[2]);
 }
 
-static void blend_color_lighten_float(float *cp, float *cp1, float *cp2, float fac)
+static void blend_color_lighten_float(float cp[3], const float cp1[3], const float cp2[3], const float fac)
 {
 	/* See if are lighter, if so mix, else don't do anything.
 	 * if the pafloat col is darker then the original, then ignore */
@@ -214,7 +216,7 @@ static void blend_color_lighten_float(float *cp, float *cp1, float *cp2, float f
 		blend_color_mix_float(cp, cp1, cp2, fac);
 }
 
-static void blend_color_darken_float(float *cp, float *cp1, float *cp2, float fac)
+static void blend_color_darken_float(float cp[3], const float cp1[3], const float cp2[3], const float fac)
 {
 	/* See if were darker, if so mix, else don't do anything.
 	 * if the pafloat col is brighter then the original, then ignore */