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ncplane_at_yx(): const ncplane argument

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nick black 2020-05-06 22:21:22 -04:00
parent 5bdfc0183f
commit 7337280e17
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5 changed files with 7 additions and 5 deletions
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1
CHANGELOG.md
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@ -15,6 +15,7 @@ rearrangements of Notcurses.
`ncplane` to an `ncvisual`. The source plane may contain only spaces,
half blocks, and full blocks. This builds atop the new function
`ncplane_rgba()`, which makes an RGBA flat array from an `ncplane`.
* The `ncplane` argument to `ncplane_at_yx()` is now `const`.
* 1.3.3 (2020-04-26)
* The `ncdplot` type has been added for plots based on `double`s rather than

2
USAGE.md
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@ -718,7 +718,7 @@ int ncplane_at_cursor_cell(struct ncplane* n, cell* c);
// Retrieve the current contents of the specified cell. The EGC is returned, or
// NULL on error. This EGC must be free()d by the caller. The attrword and
// channels are written to 'attrword' and 'channels', respectively.
char* ncplane_at_yx(struct ncplane* n, int y, int x,
char* ncplane_at_yx(const struct ncplane* n, int y, int x,
uint32_t* attrword, uint64_t* channels);
// Retrieve the current contents of the specified cell into 'c'. This cell is

2
doc/man/man3/notcurses_plane.3.md
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@ -46,7 +46,7 @@ notcurses_plane - operations on ncplanes
**int ncplane_at_cursor_cell(struct ncplane* n, cell* c);**
**char* ncplane_at_yx(struct ncplane* n, int y, int x, uint32_t* attrword, uint64_t* channels);**
**char* ncplane_at_yx(const struct ncplane* n, int y, int x, uint32_t* attrword, uint64_t* channels);**
**int ncplane_at_yx_cell(struct ncplane* n, int y, int x, cell* c);**

5
include/notcurses/notcurses.h
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@ -675,7 +675,8 @@ cell_strdup(const struct ncplane* n, const cell* c){
// Extract the three elements of a cell.
static inline char*
cell_extract(const struct ncplane* n, const cell* c, uint32_t* attrword, uint64_t* channels){
cell_extract(const struct ncplane* n, const cell* c,
uint32_t* attrword, uint64_t* channels){
if(attrword){
*attrword = c->attrword;
}
@ -1166,7 +1167,7 @@ ncplane_at_cursor_cell(struct ncplane* n, cell* c){
// Retrieve the current contents of the specified cell. The EGC is returned, or
// NULL on error. This EGC must be free()d by the caller. The attrword and
// channels are written to 'attrword' and 'channels', respectively.
API char* ncplane_at_yx(struct ncplane* n, int y, int x,
API char* ncplane_at_yx(const struct ncplane* n, int y, int x,
uint32_t* attrword, uint64_t* channels);
// Retrieve the current contents of the specified cell into 'c'. This cell is

2
python/src/notcurses/build_notcurses.py
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@ -139,7 +139,7 @@ struct ncplane* ncplane_below(struct ncplane* n);
char* notcurses_at_yx(struct notcurses* nc, int yoff, int xoff, uint32_t* attrword, uint64_t* channels);
char* ncplane_at_cursor(struct ncplane* n, uint32_t* attrword, uint64_t* channels);
int ncplane_at_cursor_cell(struct ncplane* n, cell* c);
char* ncplane_at_yx(struct ncplane* n, int y, int x, uint32_t* attrword, uint64_t* channels);
char* ncplane_at_yx(const struct ncplane* n, int y, int x, uint32_t* attrword, uint64_t* channels);
int ncplane_at_yx_cell(struct ncplane* n, int y, int x, cell* c);
uint32_t* ncplane_rgba(const struct ncplane* nc, int begy, int begx, int leny, int lenx);
void* ncplane_set_userptr(struct ncplane* n, void* opaque);