skia2/third_party/skcms/skcms_internal.h
skia-autoroll@skia-public.iam.gserviceaccount.com 1cb0e3a86d Roll skia/third_party/skcms f3e50cfac5bc..1ce6da5c8d99 (1 commits)
https://skia.googlesource.com/skcms.git/+log/f3e50cfac5bc..1ce6da5c8d99

2018-10-18 mtklein@google.com add paletted source support


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Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
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CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel
TBR=egdaniel@google.com

Change-Id: Idf0112765cdb5a87cdfe0b3a9ad6455783ba0ec8
Reviewed-on: https://skia-review.googlesource.com/c/163508
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
2018-10-18 19:52:03 +00:00

48 lines
1.3 KiB
C

/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#pragma once
// skcms_internal.h contains APIs shared by skcms' internals and its test tools.
// Please don't use this header from outside the skcms repo.
#include "skcms.h"
#include <stdbool.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
// ~~~~ General Helper Macros ~~~~
#define ARRAY_COUNT(arr) (int)(sizeof((arr)) / sizeof(*(arr)))
// ~~~~ skcms_ICCProfile ~~~~
bool skcms_GetCHAD(const skcms_ICCProfile* profile, skcms_Matrix3x3* m);
// 252 of a random shuffle of all possible bytes.
// 252 is evenly divisible by 3 and 4. Only 192, 10, 241, and 43 are missing.
// Used for ICC profile equivalence testing.
extern const uint8_t skcms_252_random_bytes[252];
// ~~~~ Portable Math ~~~~
static inline float floorf_(float x) {
float roundtrip = (float)((int)x);
return roundtrip > x ? roundtrip - 1 : roundtrip;
}
static inline float fabsf_(float x) { return x < 0 ? -x : x; }
float powf_(float, float);
// ~~~~ Does this pixel format need a palette pointer to be usable? ~~~~
static inline bool needs_palette(skcms_PixelFormat fmt) {
return (fmt >> 1) == (skcms_PixelFormat_RGBA_8888_Palette8 >> 1);
}
#ifdef __cplusplus
}
#endif