/**************************************************************************
- *
+ *
* Copyright 2009 Younes Manton.
* All Rights Reserved.
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
- *
+ *
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
+ *
**************************************************************************/
+#include "util/u_math.h"
+#include "util/u_debug.h"
+
#include "vl_csc.h"
-#include <util/u_math.h>
-#include <util/u_debug.h>
/*
* Color space conversion formulas
0.0f, 0.0f, 0.0f, 1.0f
};
+const struct vl_procamp vl_default_procamp = {
+ 0.0f, /* brightness */
+ 1.0f, /* contrast */
+ 1.0f, /* saturation */
+ 0.0f /* hue */
+};
+
void vl_csc_get_matrix(enum VL_CSC_COLOR_STANDARD cs,
struct vl_procamp *procamp,
bool full_range,
float ybias = full_range ? -16.0f/255.0f : 0.0f;
float cbbias = -128.0f/255.0f;
float crbias = -128.0f/255.0f;
- float c = procamp ? procamp->contrast : 1.0f;
- float s = procamp ? procamp->saturation : 1.0f;
- float b = procamp ? procamp->brightness : 0.0f;
- float h = procamp ? procamp->hue : 0.0f;
+
+ const struct vl_procamp *p = procamp ? procamp : &vl_default_procamp;
+ float c = p->contrast;
+ float s = p->saturation;
+ float b = p->brightness;
+ float h = p->hue;
+
const float *cstd;
assert(matrix);