| // Copyright 2017 The Wuffs Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // ---------------- Ranges and Rects |
| |
| // See https://github.com/google/wuffs/blob/main/doc/note/ranges-and-rects.md |
| |
| typedef struct wuffs_base__range_ii_u32__struct { |
| uint32_t min_incl; |
| uint32_t max_incl; |
| |
| #ifdef __cplusplus |
| inline bool is_empty() const; |
| inline bool equals(wuffs_base__range_ii_u32__struct s) const; |
| inline wuffs_base__range_ii_u32__struct intersect( |
| wuffs_base__range_ii_u32__struct s) const; |
| inline wuffs_base__range_ii_u32__struct unite( |
| wuffs_base__range_ii_u32__struct s) const; |
| inline bool contains(uint32_t x) const; |
| inline bool contains_range(wuffs_base__range_ii_u32__struct s) const; |
| #endif // __cplusplus |
| |
| } wuffs_base__range_ii_u32; |
| |
| static inline wuffs_base__range_ii_u32 // |
| wuffs_base__empty_range_ii_u32() { |
| wuffs_base__range_ii_u32 ret; |
| ret.min_incl = 0; |
| ret.max_incl = 0; |
| return ret; |
| } |
| |
| static inline wuffs_base__range_ii_u32 // |
| wuffs_base__make_range_ii_u32(uint32_t min_incl, uint32_t max_incl) { |
| wuffs_base__range_ii_u32 ret; |
| ret.min_incl = min_incl; |
| ret.max_incl = max_incl; |
| return ret; |
| } |
| |
| static inline bool // |
| wuffs_base__range_ii_u32__is_empty(const wuffs_base__range_ii_u32* r) { |
| return r->min_incl > r->max_incl; |
| } |
| |
| static inline bool // |
| wuffs_base__range_ii_u32__equals(const wuffs_base__range_ii_u32* r, |
| wuffs_base__range_ii_u32 s) { |
| return (r->min_incl == s.min_incl && r->max_incl == s.max_incl) || |
| (wuffs_base__range_ii_u32__is_empty(r) && |
| wuffs_base__range_ii_u32__is_empty(&s)); |
| } |
| |
| static inline wuffs_base__range_ii_u32 // |
| wuffs_base__range_ii_u32__intersect(const wuffs_base__range_ii_u32* r, |
| wuffs_base__range_ii_u32 s) { |
| wuffs_base__range_ii_u32 t; |
| t.min_incl = wuffs_base__u32__max(r->min_incl, s.min_incl); |
| t.max_incl = wuffs_base__u32__min(r->max_incl, s.max_incl); |
| return t; |
| } |
| |
| static inline wuffs_base__range_ii_u32 // |
| wuffs_base__range_ii_u32__unite(const wuffs_base__range_ii_u32* r, |
| wuffs_base__range_ii_u32 s) { |
| if (wuffs_base__range_ii_u32__is_empty(r)) { |
| return s; |
| } |
| if (wuffs_base__range_ii_u32__is_empty(&s)) { |
| return *r; |
| } |
| wuffs_base__range_ii_u32 t; |
| t.min_incl = wuffs_base__u32__min(r->min_incl, s.min_incl); |
| t.max_incl = wuffs_base__u32__max(r->max_incl, s.max_incl); |
| return t; |
| } |
| |
| static inline bool // |
| wuffs_base__range_ii_u32__contains(const wuffs_base__range_ii_u32* r, |
| uint32_t x) { |
| return (r->min_incl <= x) && (x <= r->max_incl); |
| } |
| |
| static inline bool // |
| wuffs_base__range_ii_u32__contains_range(const wuffs_base__range_ii_u32* r, |
| wuffs_base__range_ii_u32 s) { |
| return wuffs_base__range_ii_u32__equals( |
| &s, wuffs_base__range_ii_u32__intersect(r, s)); |
| } |
| |
| #ifdef __cplusplus |
| |
| inline bool // |
| wuffs_base__range_ii_u32::is_empty() const { |
| return wuffs_base__range_ii_u32__is_empty(this); |
| } |
| |
| inline bool // |
| wuffs_base__range_ii_u32::equals(wuffs_base__range_ii_u32 s) const { |
| return wuffs_base__range_ii_u32__equals(this, s); |
| } |
| |
| inline wuffs_base__range_ii_u32 // |
| wuffs_base__range_ii_u32::intersect(wuffs_base__range_ii_u32 s) const { |
| return wuffs_base__range_ii_u32__intersect(this, s); |
| } |
| |
| inline wuffs_base__range_ii_u32 // |
| wuffs_base__range_ii_u32::unite(wuffs_base__range_ii_u32 s) const { |
| return wuffs_base__range_ii_u32__unite(this, s); |
| } |
| |
| inline bool // |
| wuffs_base__range_ii_u32::contains(uint32_t x) const { |
| return wuffs_base__range_ii_u32__contains(this, x); |
| } |
| |
| inline bool // |
| wuffs_base__range_ii_u32::contains_range(wuffs_base__range_ii_u32 s) const { |
| return wuffs_base__range_ii_u32__contains_range(this, s); |
| } |
| |
| #endif // __cplusplus |
| |
| // -------- |
| |
| typedef struct wuffs_base__range_ie_u32__struct { |
| uint32_t min_incl; |
| uint32_t max_excl; |
| |
| #ifdef __cplusplus |
| inline bool is_empty() const; |
| inline bool equals(wuffs_base__range_ie_u32__struct s) const; |
| inline wuffs_base__range_ie_u32__struct intersect( |
| wuffs_base__range_ie_u32__struct s) const; |
| inline wuffs_base__range_ie_u32__struct unite( |
| wuffs_base__range_ie_u32__struct s) const; |
| inline bool contains(uint32_t x) const; |
| inline bool contains_range(wuffs_base__range_ie_u32__struct s) const; |
| inline uint32_t length() const; |
| #endif // __cplusplus |
| |
| } wuffs_base__range_ie_u32; |
| |
| static inline wuffs_base__range_ie_u32 // |
| wuffs_base__empty_range_ie_u32() { |
| wuffs_base__range_ie_u32 ret; |
| ret.min_incl = 0; |
| ret.max_excl = 0; |
| return ret; |
| } |
| |
| static inline wuffs_base__range_ie_u32 // |
| wuffs_base__make_range_ie_u32(uint32_t min_incl, uint32_t max_excl) { |
| wuffs_base__range_ie_u32 ret; |
| ret.min_incl = min_incl; |
| ret.max_excl = max_excl; |
| return ret; |
| } |
| |
| static inline bool // |
| wuffs_base__range_ie_u32__is_empty(const wuffs_base__range_ie_u32* r) { |
| return r->min_incl >= r->max_excl; |
| } |
| |
| static inline bool // |
| wuffs_base__range_ie_u32__equals(const wuffs_base__range_ie_u32* r, |
| wuffs_base__range_ie_u32 s) { |
| return (r->min_incl == s.min_incl && r->max_excl == s.max_excl) || |
| (wuffs_base__range_ie_u32__is_empty(r) && |
| wuffs_base__range_ie_u32__is_empty(&s)); |
| } |
| |
| static inline wuffs_base__range_ie_u32 // |
| wuffs_base__range_ie_u32__intersect(const wuffs_base__range_ie_u32* r, |
| wuffs_base__range_ie_u32 s) { |
| wuffs_base__range_ie_u32 t; |
| t.min_incl = wuffs_base__u32__max(r->min_incl, s.min_incl); |
| t.max_excl = wuffs_base__u32__min(r->max_excl, s.max_excl); |
| return t; |
| } |
| |
| static inline wuffs_base__range_ie_u32 // |
| wuffs_base__range_ie_u32__unite(const wuffs_base__range_ie_u32* r, |
| wuffs_base__range_ie_u32 s) { |
| if (wuffs_base__range_ie_u32__is_empty(r)) { |
| return s; |
| } |
| if (wuffs_base__range_ie_u32__is_empty(&s)) { |
| return *r; |
| } |
| wuffs_base__range_ie_u32 t; |
| t.min_incl = wuffs_base__u32__min(r->min_incl, s.min_incl); |
| t.max_excl = wuffs_base__u32__max(r->max_excl, s.max_excl); |
| return t; |
| } |
| |
| static inline bool // |
| wuffs_base__range_ie_u32__contains(const wuffs_base__range_ie_u32* r, |
| uint32_t x) { |
| return (r->min_incl <= x) && (x < r->max_excl); |
| } |
| |
| static inline bool // |
| wuffs_base__range_ie_u32__contains_range(const wuffs_base__range_ie_u32* r, |
| wuffs_base__range_ie_u32 s) { |
| return wuffs_base__range_ie_u32__equals( |
| &s, wuffs_base__range_ie_u32__intersect(r, s)); |
| } |
| |
| static inline uint32_t // |
| wuffs_base__range_ie_u32__length(const wuffs_base__range_ie_u32* r) { |
| return wuffs_base__u32__sat_sub(r->max_excl, r->min_incl); |
| } |
| |
| #ifdef __cplusplus |
| |
| inline bool // |
| wuffs_base__range_ie_u32::is_empty() const { |
| return wuffs_base__range_ie_u32__is_empty(this); |
| } |
| |
| inline bool // |
| wuffs_base__range_ie_u32::equals(wuffs_base__range_ie_u32 s) const { |
| return wuffs_base__range_ie_u32__equals(this, s); |
| } |
| |
| inline wuffs_base__range_ie_u32 // |
| wuffs_base__range_ie_u32::intersect(wuffs_base__range_ie_u32 s) const { |
| return wuffs_base__range_ie_u32__intersect(this, s); |
| } |
| |
| inline wuffs_base__range_ie_u32 // |
| wuffs_base__range_ie_u32::unite(wuffs_base__range_ie_u32 s) const { |
| return wuffs_base__range_ie_u32__unite(this, s); |
| } |
| |
| inline bool // |
| wuffs_base__range_ie_u32::contains(uint32_t x) const { |
| return wuffs_base__range_ie_u32__contains(this, x); |
| } |
| |
| inline bool // |
| wuffs_base__range_ie_u32::contains_range(wuffs_base__range_ie_u32 s) const { |
| return wuffs_base__range_ie_u32__contains_range(this, s); |
| } |
| |
| inline uint32_t // |
| wuffs_base__range_ie_u32::length() const { |
| return wuffs_base__range_ie_u32__length(this); |
| } |
| |
| #endif // __cplusplus |
| |
| // -------- |
| |
| typedef struct wuffs_base__range_ii_u64__struct { |
| uint64_t min_incl; |
| uint64_t max_incl; |
| |
| #ifdef __cplusplus |
| inline bool is_empty() const; |
| inline bool equals(wuffs_base__range_ii_u64__struct s) const; |
| inline wuffs_base__range_ii_u64__struct intersect( |
| wuffs_base__range_ii_u64__struct s) const; |
| inline wuffs_base__range_ii_u64__struct unite( |
| wuffs_base__range_ii_u64__struct s) const; |
| inline bool contains(uint64_t x) const; |
| inline bool contains_range(wuffs_base__range_ii_u64__struct s) const; |
| #endif // __cplusplus |
| |
| } wuffs_base__range_ii_u64; |
| |
| static inline wuffs_base__range_ii_u64 // |
| wuffs_base__empty_range_ii_u64() { |
| wuffs_base__range_ii_u64 ret; |
| ret.min_incl = 0; |
| ret.max_incl = 0; |
| return ret; |
| } |
| |
| static inline wuffs_base__range_ii_u64 // |
| wuffs_base__make_range_ii_u64(uint64_t min_incl, uint64_t max_incl) { |
| wuffs_base__range_ii_u64 ret; |
| ret.min_incl = min_incl; |
| ret.max_incl = max_incl; |
| return ret; |
| } |
| |
| static inline bool // |
| wuffs_base__range_ii_u64__is_empty(const wuffs_base__range_ii_u64* r) { |
| return r->min_incl > r->max_incl; |
| } |
| |
| static inline bool // |
| wuffs_base__range_ii_u64__equals(const wuffs_base__range_ii_u64* r, |
| wuffs_base__range_ii_u64 s) { |
| return (r->min_incl == s.min_incl && r->max_incl == s.max_incl) || |
| (wuffs_base__range_ii_u64__is_empty(r) && |
| wuffs_base__range_ii_u64__is_empty(&s)); |
| } |
| |
| static inline wuffs_base__range_ii_u64 // |
| wuffs_base__range_ii_u64__intersect(const wuffs_base__range_ii_u64* r, |
| wuffs_base__range_ii_u64 s) { |
| wuffs_base__range_ii_u64 t; |
| t.min_incl = wuffs_base__u64__max(r->min_incl, s.min_incl); |
| t.max_incl = wuffs_base__u64__min(r->max_incl, s.max_incl); |
| return t; |
| } |
| |
| static inline wuffs_base__range_ii_u64 // |
| wuffs_base__range_ii_u64__unite(const wuffs_base__range_ii_u64* r, |
| wuffs_base__range_ii_u64 s) { |
| if (wuffs_base__range_ii_u64__is_empty(r)) { |
| return s; |
| } |
| if (wuffs_base__range_ii_u64__is_empty(&s)) { |
| return *r; |
| } |
| wuffs_base__range_ii_u64 t; |
| t.min_incl = wuffs_base__u64__min(r->min_incl, s.min_incl); |
| t.max_incl = wuffs_base__u64__max(r->max_incl, s.max_incl); |
| return t; |
| } |
| |
| static inline bool // |
| wuffs_base__range_ii_u64__contains(const wuffs_base__range_ii_u64* r, |
| uint64_t x) { |
| return (r->min_incl <= x) && (x <= r->max_incl); |
| } |
| |
| static inline bool // |
| wuffs_base__range_ii_u64__contains_range(const wuffs_base__range_ii_u64* r, |
| wuffs_base__range_ii_u64 s) { |
| return wuffs_base__range_ii_u64__equals( |
| &s, wuffs_base__range_ii_u64__intersect(r, s)); |
| } |
| |
| #ifdef __cplusplus |
| |
| inline bool // |
| wuffs_base__range_ii_u64::is_empty() const { |
| return wuffs_base__range_ii_u64__is_empty(this); |
| } |
| |
| inline bool // |
| wuffs_base__range_ii_u64::equals(wuffs_base__range_ii_u64 s) const { |
| return wuffs_base__range_ii_u64__equals(this, s); |
| } |
| |
| inline wuffs_base__range_ii_u64 // |
| wuffs_base__range_ii_u64::intersect(wuffs_base__range_ii_u64 s) const { |
| return wuffs_base__range_ii_u64__intersect(this, s); |
| } |
| |
| inline wuffs_base__range_ii_u64 // |
| wuffs_base__range_ii_u64::unite(wuffs_base__range_ii_u64 s) const { |
| return wuffs_base__range_ii_u64__unite(this, s); |
| } |
| |
| inline bool // |
| wuffs_base__range_ii_u64::contains(uint64_t x) const { |
| return wuffs_base__range_ii_u64__contains(this, x); |
| } |
| |
| inline bool // |
| wuffs_base__range_ii_u64::contains_range(wuffs_base__range_ii_u64 s) const { |
| return wuffs_base__range_ii_u64__contains_range(this, s); |
| } |
| |
| #endif // __cplusplus |
| |
| // -------- |
| |
| typedef struct wuffs_base__range_ie_u64__struct { |
| uint64_t min_incl; |
| uint64_t max_excl; |
| |
| #ifdef __cplusplus |
| inline bool is_empty() const; |
| inline bool equals(wuffs_base__range_ie_u64__struct s) const; |
| inline wuffs_base__range_ie_u64__struct intersect( |
| wuffs_base__range_ie_u64__struct s) const; |
| inline wuffs_base__range_ie_u64__struct unite( |
| wuffs_base__range_ie_u64__struct s) const; |
| inline bool contains(uint64_t x) const; |
| inline bool contains_range(wuffs_base__range_ie_u64__struct s) const; |
| inline uint64_t length() const; |
| #endif // __cplusplus |
| |
| } wuffs_base__range_ie_u64; |
| |
| static inline wuffs_base__range_ie_u64 // |
| wuffs_base__empty_range_ie_u64() { |
| wuffs_base__range_ie_u64 ret; |
| ret.min_incl = 0; |
| ret.max_excl = 0; |
| return ret; |
| } |
| |
| static inline wuffs_base__range_ie_u64 // |
| wuffs_base__make_range_ie_u64(uint64_t min_incl, uint64_t max_excl) { |
| wuffs_base__range_ie_u64 ret; |
| ret.min_incl = min_incl; |
| ret.max_excl = max_excl; |
| return ret; |
| } |
| |
| static inline bool // |
| wuffs_base__range_ie_u64__is_empty(const wuffs_base__range_ie_u64* r) { |
| return r->min_incl >= r->max_excl; |
| } |
| |
| static inline bool // |
| wuffs_base__range_ie_u64__equals(const wuffs_base__range_ie_u64* r, |
| wuffs_base__range_ie_u64 s) { |
| return (r->min_incl == s.min_incl && r->max_excl == s.max_excl) || |
| (wuffs_base__range_ie_u64__is_empty(r) && |
| wuffs_base__range_ie_u64__is_empty(&s)); |
| } |
| |
| static inline wuffs_base__range_ie_u64 // |
| wuffs_base__range_ie_u64__intersect(const wuffs_base__range_ie_u64* r, |
| wuffs_base__range_ie_u64 s) { |
| wuffs_base__range_ie_u64 t; |
| t.min_incl = wuffs_base__u64__max(r->min_incl, s.min_incl); |
| t.max_excl = wuffs_base__u64__min(r->max_excl, s.max_excl); |
| return t; |
| } |
| |
| static inline wuffs_base__range_ie_u64 // |
| wuffs_base__range_ie_u64__unite(const wuffs_base__range_ie_u64* r, |
| wuffs_base__range_ie_u64 s) { |
| if (wuffs_base__range_ie_u64__is_empty(r)) { |
| return s; |
| } |
| if (wuffs_base__range_ie_u64__is_empty(&s)) { |
| return *r; |
| } |
| wuffs_base__range_ie_u64 t; |
| t.min_incl = wuffs_base__u64__min(r->min_incl, s.min_incl); |
| t.max_excl = wuffs_base__u64__max(r->max_excl, s.max_excl); |
| return t; |
| } |
| |
| static inline bool // |
| wuffs_base__range_ie_u64__contains(const wuffs_base__range_ie_u64* r, |
| uint64_t x) { |
| return (r->min_incl <= x) && (x < r->max_excl); |
| } |
| |
| static inline bool // |
| wuffs_base__range_ie_u64__contains_range(const wuffs_base__range_ie_u64* r, |
| wuffs_base__range_ie_u64 s) { |
| return wuffs_base__range_ie_u64__equals( |
| &s, wuffs_base__range_ie_u64__intersect(r, s)); |
| } |
| |
| static inline uint64_t // |
| wuffs_base__range_ie_u64__length(const wuffs_base__range_ie_u64* r) { |
| return wuffs_base__u64__sat_sub(r->max_excl, r->min_incl); |
| } |
| |
| #ifdef __cplusplus |
| |
| inline bool // |
| wuffs_base__range_ie_u64::is_empty() const { |
| return wuffs_base__range_ie_u64__is_empty(this); |
| } |
| |
| inline bool // |
| wuffs_base__range_ie_u64::equals(wuffs_base__range_ie_u64 s) const { |
| return wuffs_base__range_ie_u64__equals(this, s); |
| } |
| |
| inline wuffs_base__range_ie_u64 // |
| wuffs_base__range_ie_u64::intersect(wuffs_base__range_ie_u64 s) const { |
| return wuffs_base__range_ie_u64__intersect(this, s); |
| } |
| |
| inline wuffs_base__range_ie_u64 // |
| wuffs_base__range_ie_u64::unite(wuffs_base__range_ie_u64 s) const { |
| return wuffs_base__range_ie_u64__unite(this, s); |
| } |
| |
| inline bool // |
| wuffs_base__range_ie_u64::contains(uint64_t x) const { |
| return wuffs_base__range_ie_u64__contains(this, x); |
| } |
| |
| inline bool // |
| wuffs_base__range_ie_u64::contains_range(wuffs_base__range_ie_u64 s) const { |
| return wuffs_base__range_ie_u64__contains_range(this, s); |
| } |
| |
| inline uint64_t // |
| wuffs_base__range_ie_u64::length() const { |
| return wuffs_base__range_ie_u64__length(this); |
| } |
| |
| #endif // __cplusplus |
| |
| // -------- |
| |
| typedef struct wuffs_base__rect_ii_u32__struct { |
| uint32_t min_incl_x; |
| uint32_t min_incl_y; |
| uint32_t max_incl_x; |
| uint32_t max_incl_y; |
| |
| #ifdef __cplusplus |
| inline bool is_empty() const; |
| inline bool equals(wuffs_base__rect_ii_u32__struct s) const; |
| inline wuffs_base__rect_ii_u32__struct intersect( |
| wuffs_base__rect_ii_u32__struct s) const; |
| inline wuffs_base__rect_ii_u32__struct unite( |
| wuffs_base__rect_ii_u32__struct s) const; |
| inline bool contains(uint32_t x, uint32_t y) const; |
| inline bool contains_rect(wuffs_base__rect_ii_u32__struct s) const; |
| #endif // __cplusplus |
| |
| } wuffs_base__rect_ii_u32; |
| |
| static inline wuffs_base__rect_ii_u32 // |
| wuffs_base__empty_rect_ii_u32() { |
| wuffs_base__rect_ii_u32 ret; |
| ret.min_incl_x = 0; |
| ret.min_incl_y = 0; |
| ret.max_incl_x = 0; |
| ret.max_incl_y = 0; |
| return ret; |
| } |
| |
| static inline wuffs_base__rect_ii_u32 // |
| wuffs_base__make_rect_ii_u32(uint32_t min_incl_x, |
| uint32_t min_incl_y, |
| uint32_t max_incl_x, |
| uint32_t max_incl_y) { |
| wuffs_base__rect_ii_u32 ret; |
| ret.min_incl_x = min_incl_x; |
| ret.min_incl_y = min_incl_y; |
| ret.max_incl_x = max_incl_x; |
| ret.max_incl_y = max_incl_y; |
| return ret; |
| } |
| |
| static inline bool // |
| wuffs_base__rect_ii_u32__is_empty(const wuffs_base__rect_ii_u32* r) { |
| return (r->min_incl_x > r->max_incl_x) || (r->min_incl_y > r->max_incl_y); |
| } |
| |
| static inline bool // |
| wuffs_base__rect_ii_u32__equals(const wuffs_base__rect_ii_u32* r, |
| wuffs_base__rect_ii_u32 s) { |
| return (r->min_incl_x == s.min_incl_x && r->min_incl_y == s.min_incl_y && |
| r->max_incl_x == s.max_incl_x && r->max_incl_y == s.max_incl_y) || |
| (wuffs_base__rect_ii_u32__is_empty(r) && |
| wuffs_base__rect_ii_u32__is_empty(&s)); |
| } |
| |
| static inline wuffs_base__rect_ii_u32 // |
| wuffs_base__rect_ii_u32__intersect(const wuffs_base__rect_ii_u32* r, |
| wuffs_base__rect_ii_u32 s) { |
| wuffs_base__rect_ii_u32 t; |
| t.min_incl_x = wuffs_base__u32__max(r->min_incl_x, s.min_incl_x); |
| t.min_incl_y = wuffs_base__u32__max(r->min_incl_y, s.min_incl_y); |
| t.max_incl_x = wuffs_base__u32__min(r->max_incl_x, s.max_incl_x); |
| t.max_incl_y = wuffs_base__u32__min(r->max_incl_y, s.max_incl_y); |
| return t; |
| } |
| |
| static inline wuffs_base__rect_ii_u32 // |
| wuffs_base__rect_ii_u32__unite(const wuffs_base__rect_ii_u32* r, |
| wuffs_base__rect_ii_u32 s) { |
| if (wuffs_base__rect_ii_u32__is_empty(r)) { |
| return s; |
| } |
| if (wuffs_base__rect_ii_u32__is_empty(&s)) { |
| return *r; |
| } |
| wuffs_base__rect_ii_u32 t; |
| t.min_incl_x = wuffs_base__u32__min(r->min_incl_x, s.min_incl_x); |
| t.min_incl_y = wuffs_base__u32__min(r->min_incl_y, s.min_incl_y); |
| t.max_incl_x = wuffs_base__u32__max(r->max_incl_x, s.max_incl_x); |
| t.max_incl_y = wuffs_base__u32__max(r->max_incl_y, s.max_incl_y); |
| return t; |
| } |
| |
| static inline bool // |
| wuffs_base__rect_ii_u32__contains(const wuffs_base__rect_ii_u32* r, |
| uint32_t x, |
| uint32_t y) { |
| return (r->min_incl_x <= x) && (x <= r->max_incl_x) && (r->min_incl_y <= y) && |
| (y <= r->max_incl_y); |
| } |
| |
| static inline bool // |
| wuffs_base__rect_ii_u32__contains_rect(const wuffs_base__rect_ii_u32* r, |
| wuffs_base__rect_ii_u32 s) { |
| return wuffs_base__rect_ii_u32__equals( |
| &s, wuffs_base__rect_ii_u32__intersect(r, s)); |
| } |
| |
| #ifdef __cplusplus |
| |
| inline bool // |
| wuffs_base__rect_ii_u32::is_empty() const { |
| return wuffs_base__rect_ii_u32__is_empty(this); |
| } |
| |
| inline bool // |
| wuffs_base__rect_ii_u32::equals(wuffs_base__rect_ii_u32 s) const { |
| return wuffs_base__rect_ii_u32__equals(this, s); |
| } |
| |
| inline wuffs_base__rect_ii_u32 // |
| wuffs_base__rect_ii_u32::intersect(wuffs_base__rect_ii_u32 s) const { |
| return wuffs_base__rect_ii_u32__intersect(this, s); |
| } |
| |
| inline wuffs_base__rect_ii_u32 // |
| wuffs_base__rect_ii_u32::unite(wuffs_base__rect_ii_u32 s) const { |
| return wuffs_base__rect_ii_u32__unite(this, s); |
| } |
| |
| inline bool // |
| wuffs_base__rect_ii_u32::contains(uint32_t x, uint32_t y) const { |
| return wuffs_base__rect_ii_u32__contains(this, x, y); |
| } |
| |
| inline bool // |
| wuffs_base__rect_ii_u32::contains_rect(wuffs_base__rect_ii_u32 s) const { |
| return wuffs_base__rect_ii_u32__contains_rect(this, s); |
| } |
| |
| #endif // __cplusplus |
| |
| // -------- |
| |
| typedef struct wuffs_base__rect_ie_u32__struct { |
| uint32_t min_incl_x; |
| uint32_t min_incl_y; |
| uint32_t max_excl_x; |
| uint32_t max_excl_y; |
| |
| #ifdef __cplusplus |
| inline bool is_empty() const; |
| inline bool equals(wuffs_base__rect_ie_u32__struct s) const; |
| inline wuffs_base__rect_ie_u32__struct intersect( |
| wuffs_base__rect_ie_u32__struct s) const; |
| inline wuffs_base__rect_ie_u32__struct unite( |
| wuffs_base__rect_ie_u32__struct s) const; |
| inline bool contains(uint32_t x, uint32_t y) const; |
| inline bool contains_rect(wuffs_base__rect_ie_u32__struct s) const; |
| inline uint32_t width() const; |
| inline uint32_t height() const; |
| #endif // __cplusplus |
| |
| } wuffs_base__rect_ie_u32; |
| |
| static inline wuffs_base__rect_ie_u32 // |
| wuffs_base__empty_rect_ie_u32() { |
| wuffs_base__rect_ie_u32 ret; |
| ret.min_incl_x = 0; |
| ret.min_incl_y = 0; |
| ret.max_excl_x = 0; |
| ret.max_excl_y = 0; |
| return ret; |
| } |
| |
| static inline wuffs_base__rect_ie_u32 // |
| wuffs_base__make_rect_ie_u32(uint32_t min_incl_x, |
| uint32_t min_incl_y, |
| uint32_t max_excl_x, |
| uint32_t max_excl_y) { |
| wuffs_base__rect_ie_u32 ret; |
| ret.min_incl_x = min_incl_x; |
| ret.min_incl_y = min_incl_y; |
| ret.max_excl_x = max_excl_x; |
| ret.max_excl_y = max_excl_y; |
| return ret; |
| } |
| |
| static inline bool // |
| wuffs_base__rect_ie_u32__is_empty(const wuffs_base__rect_ie_u32* r) { |
| return (r->min_incl_x >= r->max_excl_x) || (r->min_incl_y >= r->max_excl_y); |
| } |
| |
| static inline bool // |
| wuffs_base__rect_ie_u32__equals(const wuffs_base__rect_ie_u32* r, |
| wuffs_base__rect_ie_u32 s) { |
| return (r->min_incl_x == s.min_incl_x && r->min_incl_y == s.min_incl_y && |
| r->max_excl_x == s.max_excl_x && r->max_excl_y == s.max_excl_y) || |
| (wuffs_base__rect_ie_u32__is_empty(r) && |
| wuffs_base__rect_ie_u32__is_empty(&s)); |
| } |
| |
| static inline wuffs_base__rect_ie_u32 // |
| wuffs_base__rect_ie_u32__intersect(const wuffs_base__rect_ie_u32* r, |
| wuffs_base__rect_ie_u32 s) { |
| wuffs_base__rect_ie_u32 t; |
| t.min_incl_x = wuffs_base__u32__max(r->min_incl_x, s.min_incl_x); |
| t.min_incl_y = wuffs_base__u32__max(r->min_incl_y, s.min_incl_y); |
| t.max_excl_x = wuffs_base__u32__min(r->max_excl_x, s.max_excl_x); |
| t.max_excl_y = wuffs_base__u32__min(r->max_excl_y, s.max_excl_y); |
| return t; |
| } |
| |
| static inline wuffs_base__rect_ie_u32 // |
| wuffs_base__rect_ie_u32__unite(const wuffs_base__rect_ie_u32* r, |
| wuffs_base__rect_ie_u32 s) { |
| if (wuffs_base__rect_ie_u32__is_empty(r)) { |
| return s; |
| } |
| if (wuffs_base__rect_ie_u32__is_empty(&s)) { |
| return *r; |
| } |
| wuffs_base__rect_ie_u32 t; |
| t.min_incl_x = wuffs_base__u32__min(r->min_incl_x, s.min_incl_x); |
| t.min_incl_y = wuffs_base__u32__min(r->min_incl_y, s.min_incl_y); |
| t.max_excl_x = wuffs_base__u32__max(r->max_excl_x, s.max_excl_x); |
| t.max_excl_y = wuffs_base__u32__max(r->max_excl_y, s.max_excl_y); |
| return t; |
| } |
| |
| static inline bool // |
| wuffs_base__rect_ie_u32__contains(const wuffs_base__rect_ie_u32* r, |
| uint32_t x, |
| uint32_t y) { |
| return (r->min_incl_x <= x) && (x < r->max_excl_x) && (r->min_incl_y <= y) && |
| (y < r->max_excl_y); |
| } |
| |
| static inline bool // |
| wuffs_base__rect_ie_u32__contains_rect(const wuffs_base__rect_ie_u32* r, |
| wuffs_base__rect_ie_u32 s) { |
| return wuffs_base__rect_ie_u32__equals( |
| &s, wuffs_base__rect_ie_u32__intersect(r, s)); |
| } |
| |
| static inline uint32_t // |
| wuffs_base__rect_ie_u32__width(const wuffs_base__rect_ie_u32* r) { |
| return wuffs_base__u32__sat_sub(r->max_excl_x, r->min_incl_x); |
| } |
| |
| static inline uint32_t // |
| wuffs_base__rect_ie_u32__height(const wuffs_base__rect_ie_u32* r) { |
| return wuffs_base__u32__sat_sub(r->max_excl_y, r->min_incl_y); |
| } |
| |
| #ifdef __cplusplus |
| |
| inline bool // |
| wuffs_base__rect_ie_u32::is_empty() const { |
| return wuffs_base__rect_ie_u32__is_empty(this); |
| } |
| |
| inline bool // |
| wuffs_base__rect_ie_u32::equals(wuffs_base__rect_ie_u32 s) const { |
| return wuffs_base__rect_ie_u32__equals(this, s); |
| } |
| |
| inline wuffs_base__rect_ie_u32 // |
| wuffs_base__rect_ie_u32::intersect(wuffs_base__rect_ie_u32 s) const { |
| return wuffs_base__rect_ie_u32__intersect(this, s); |
| } |
| |
| inline wuffs_base__rect_ie_u32 // |
| wuffs_base__rect_ie_u32::unite(wuffs_base__rect_ie_u32 s) const { |
| return wuffs_base__rect_ie_u32__unite(this, s); |
| } |
| |
| inline bool // |
| wuffs_base__rect_ie_u32::contains(uint32_t x, uint32_t y) const { |
| return wuffs_base__rect_ie_u32__contains(this, x, y); |
| } |
| |
| inline bool // |
| wuffs_base__rect_ie_u32::contains_rect(wuffs_base__rect_ie_u32 s) const { |
| return wuffs_base__rect_ie_u32__contains_rect(this, s); |
| } |
| |
| inline uint32_t // |
| wuffs_base__rect_ie_u32::width() const { |
| return wuffs_base__rect_ie_u32__width(this); |
| } |
| |
| inline uint32_t // |
| wuffs_base__rect_ie_u32::height() const { |
| return wuffs_base__rect_ie_u32__height(this); |
| } |
| |
| #endif // __cplusplus |
| |
| // ---------------- More Information |
| |
| // wuffs_base__more_information holds additional fields, typically when a Wuffs |
| // method returns a [note status](/doc/note/statuses.md). |
| // |
| // The flavor field follows the base38 namespace |
| // convention](/doc/note/base38-and-fourcc.md). The other fields' semantics |
| // depends on the flavor. |
| typedef struct wuffs_base__more_information__struct { |
| uint32_t flavor; |
| uint32_t w; |
| uint64_t x; |
| uint64_t y; |
| uint64_t z; |
| |
| #ifdef __cplusplus |
| inline void set(uint32_t flavor_arg, |
| uint32_t w_arg, |
| uint64_t x_arg, |
| uint64_t y_arg, |
| uint64_t z_arg); |
| inline uint32_t io_redirect__fourcc() const; |
| inline wuffs_base__range_ie_u64 io_redirect__range() const; |
| inline uint64_t io_seek__position() const; |
| inline uint32_t metadata__fourcc() const; |
| // Deprecated: use metadata_raw_passthrough__range. |
| inline wuffs_base__range_ie_u64 metadata__range() const; |
| inline wuffs_base__range_ie_u64 metadata_raw_passthrough__range() const; |
| inline int32_t metadata_parsed__chrm(uint32_t component) const; |
| inline uint32_t metadata_parsed__gama() const; |
| inline uint32_t metadata_parsed__srgb() const; |
| #endif // __cplusplus |
| |
| } wuffs_base__more_information; |
| |
| #define WUFFS_BASE__MORE_INFORMATION__FLAVOR__IO_REDIRECT 1 |
| #define WUFFS_BASE__MORE_INFORMATION__FLAVOR__IO_SEEK 2 |
| // Deprecated: use |
| // WUFFS_BASE__MORE_INFORMATION__FLAVOR__METADATA_RAW_PASSTHROUGH. |
| #define WUFFS_BASE__MORE_INFORMATION__FLAVOR__METADATA 3 |
| #define WUFFS_BASE__MORE_INFORMATION__FLAVOR__METADATA_RAW_PASSTHROUGH 3 |
| #define WUFFS_BASE__MORE_INFORMATION__FLAVOR__METADATA_RAW_TRANSFORM 4 |
| #define WUFFS_BASE__MORE_INFORMATION__FLAVOR__METADATA_PARSED 5 |
| |
| static inline wuffs_base__more_information // |
| wuffs_base__empty_more_information() { |
| wuffs_base__more_information ret; |
| ret.flavor = 0; |
| ret.w = 0; |
| ret.x = 0; |
| ret.y = 0; |
| ret.z = 0; |
| return ret; |
| } |
| |
| static inline void // |
| wuffs_base__more_information__set(wuffs_base__more_information* m, |
| uint32_t flavor, |
| uint32_t w, |
| uint64_t x, |
| uint64_t y, |
| uint64_t z) { |
| if (!m) { |
| return; |
| } |
| m->flavor = flavor; |
| m->w = w; |
| m->x = x; |
| m->y = y; |
| m->z = z; |
| } |
| |
| static inline uint32_t // |
| wuffs_base__more_information__io_redirect__fourcc( |
| const wuffs_base__more_information* m) { |
| return m->w; |
| } |
| |
| static inline wuffs_base__range_ie_u64 // |
| wuffs_base__more_information__io_redirect__range( |
| const wuffs_base__more_information* m) { |
| wuffs_base__range_ie_u64 ret; |
| ret.min_incl = m->y; |
| ret.max_excl = m->z; |
| return ret; |
| } |
| |
| static inline uint64_t // |
| wuffs_base__more_information__io_seek__position( |
| const wuffs_base__more_information* m) { |
| return m->x; |
| } |
| |
| static inline uint32_t // |
| wuffs_base__more_information__metadata__fourcc( |
| const wuffs_base__more_information* m) { |
| return m->w; |
| } |
| |
| // Deprecated: use |
| // wuffs_base__more_information__metadata_raw_passthrough__range. |
| static inline wuffs_base__range_ie_u64 // |
| wuffs_base__more_information__metadata__range( |
| const wuffs_base__more_information* m) { |
| wuffs_base__range_ie_u64 ret; |
| ret.min_incl = m->y; |
| ret.max_excl = m->z; |
| return ret; |
| } |
| |
| static inline wuffs_base__range_ie_u64 // |
| wuffs_base__more_information__metadata_raw_passthrough__range( |
| const wuffs_base__more_information* m) { |
| wuffs_base__range_ie_u64 ret; |
| ret.min_incl = m->y; |
| ret.max_excl = m->z; |
| return ret; |
| } |
| |
| #define WUFFS_BASE__MORE_INFORMATION__METADATA_PARSED__CHRM__WHITE_X 0 |
| #define WUFFS_BASE__MORE_INFORMATION__METADATA_PARSED__CHRM__WHITE_Y 1 |
| #define WUFFS_BASE__MORE_INFORMATION__METADATA_PARSED__CHRM__RED_X 2 |
| #define WUFFS_BASE__MORE_INFORMATION__METADATA_PARSED__CHRM__RED_Y 3 |
| #define WUFFS_BASE__MORE_INFORMATION__METADATA_PARSED__CHRM__GREEN_X 4 |
| #define WUFFS_BASE__MORE_INFORMATION__METADATA_PARSED__CHRM__GREEN_Y 5 |
| #define WUFFS_BASE__MORE_INFORMATION__METADATA_PARSED__CHRM__BLUE_X 6 |
| #define WUFFS_BASE__MORE_INFORMATION__METADATA_PARSED__CHRM__BLUE_Y 7 |
| |
| // wuffs_base__more_information__metadata_parsed__chrm returns chromaticity |
| // values (scaled by 100000) like the PNG "cHRM" chunk. For example, the sRGB |
| // color space corresponds to: |
| // - ETC__CHRM__WHITE_X 31270 |
| // - ETC__CHRM__WHITE_Y 32900 |
| // - ETC__CHRM__RED_X 64000 |
| // - ETC__CHRM__RED_Y 33000 |
| // - ETC__CHRM__GREEN_X 30000 |
| // - ETC__CHRM__GREEN_Y 60000 |
| // - ETC__CHRM__BLUE_X 15000 |
| // - ETC__CHRM__BLUE_Y 6000 |
| // |
| // See |
| // https://ciechanow.ski/color-spaces/#chromaticity-and-white-point-coordinates |
| static inline int32_t // |
| wuffs_base__more_information__metadata_parsed__chrm( |
| const wuffs_base__more_information* m, |
| uint32_t component) { |
| // After the flavor and the w field (holding a FourCC), a |
| // wuffs_base__more_information holds 24 bytes of data in three uint64_t |
| // typed fields (x, y and z). We pack the eight chromaticity values (wx, wy, |
| // rx, ..., by), basically int24_t values, into 24 bytes like this: |
| // - LSB MSB |
| // - x: wx wx wx wy wy wy rx rx |
| // - y: rx ry ry ry gx gx gx gy |
| // - z: gy gy bx bx bx by by by |
| uint32_t u = 0; |
| switch (component & 7) { |
| case 0: |
| u = ((uint32_t)(m->x >> 0)); |
| break; |
| case 1: |
| u = ((uint32_t)(m->x >> 24)); |
| break; |
| case 2: |
| u = ((uint32_t)((m->x >> 48) | (m->y << 16))); |
| break; |
| case 3: |
| u = ((uint32_t)(m->y >> 8)); |
| break; |
| case 4: |
| u = ((uint32_t)(m->y >> 32)); |
| break; |
| case 5: |
| u = ((uint32_t)((m->y >> 56) | (m->z << 8))); |
| break; |
| case 6: |
| u = ((uint32_t)(m->z >> 16)); |
| break; |
| case 7: |
| u = ((uint32_t)(m->z >> 40)); |
| break; |
| } |
| // The left-right shifts sign-extend from 24-bit to 32-bit integers. |
| return ((int32_t)(u << 8)) >> 8; |
| } |
| |
| // wuffs_base__more_information__metadata_parsed__gama returns inverse gamma |
| // correction values (scaled by 100000) like the PNG "gAMA" chunk. For example, |
| // for gamma = 2.2, this returns 45455 (approximating 100000 / 2.2). |
| static inline uint32_t // |
| wuffs_base__more_information__metadata_parsed__gama( |
| const wuffs_base__more_information* m) { |
| return ((uint32_t)(m->x)); |
| } |
| |
| #define WUFFS_BASE__SRGB_RENDERING_INTENT__PERCEPTUAL 0 |
| #define WUFFS_BASE__SRGB_RENDERING_INTENT__RELATIVE_COLORIMETRIC 1 |
| #define WUFFS_BASE__SRGB_RENDERING_INTENT__SATURATION 2 |
| #define WUFFS_BASE__SRGB_RENDERING_INTENT__ABSOLUTE_COLORIMETRIC 3 |
| |
| // wuffs_base__more_information__metadata_parsed__srgb returns the sRGB |
| // rendering intent like the PNG "sRGB" chunk. |
| static inline uint32_t // |
| wuffs_base__more_information__metadata_parsed__srgb( |
| const wuffs_base__more_information* m) { |
| return m->x & 3; |
| } |
| |
| #ifdef __cplusplus |
| |
| inline void // |
| wuffs_base__more_information::set(uint32_t flavor_arg, |
| uint32_t w_arg, |
| uint64_t x_arg, |
| uint64_t y_arg, |
| uint64_t z_arg) { |
| wuffs_base__more_information__set(this, flavor_arg, w_arg, x_arg, y_arg, |
| z_arg); |
| } |
| |
| inline uint32_t // |
| wuffs_base__more_information::io_redirect__fourcc() const { |
| return wuffs_base__more_information__io_redirect__fourcc(this); |
| } |
| |
| inline wuffs_base__range_ie_u64 // |
| wuffs_base__more_information::io_redirect__range() const { |
| return wuffs_base__more_information__io_redirect__range(this); |
| } |
| |
| inline uint64_t // |
| wuffs_base__more_information::io_seek__position() const { |
| return wuffs_base__more_information__io_seek__position(this); |
| } |
| |
| inline uint32_t // |
| wuffs_base__more_information::metadata__fourcc() const { |
| return wuffs_base__more_information__metadata__fourcc(this); |
| } |
| |
| inline wuffs_base__range_ie_u64 // |
| wuffs_base__more_information::metadata__range() const { |
| return wuffs_base__more_information__metadata__range(this); |
| } |
| |
| inline wuffs_base__range_ie_u64 // |
| wuffs_base__more_information::metadata_raw_passthrough__range() const { |
| return wuffs_base__more_information__metadata_raw_passthrough__range(this); |
| } |
| |
| inline int32_t // |
| wuffs_base__more_information::metadata_parsed__chrm(uint32_t component) const { |
| return wuffs_base__more_information__metadata_parsed__chrm(this, component); |
| } |
| |
| inline uint32_t // |
| wuffs_base__more_information::metadata_parsed__gama() const { |
| return wuffs_base__more_information__metadata_parsed__gama(this); |
| } |
| |
| inline uint32_t // |
| wuffs_base__more_information::metadata_parsed__srgb() const { |
| return wuffs_base__more_information__metadata_parsed__srgb(this); |
| } |
| |
| #endif // __cplusplus |
