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[paint] extract paint_sprixel()

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nick black 2021-04-13 18:47:24 -04:00
parent 3474134f23
commit 53485eabc3
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GPG Key ID: 5F43400C21CBFACC
1 changed files with 25 additions and 18 deletions
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43
src/lib/render.c
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@ -199,6 +199,30 @@ highcontrast(uint32_t bchannel){
return conrgb;
}
static void
paint_sprixel(const ncplane* p, const nccell* vis, struct crender* crender,
int y, int x){
const notcurses* nc = ncplane_notcurses_const(p);
//fprintf(stderr, "presprixel: %p preid: %d id: %d state: %d\n", rvec->sprixel, rvec->sprixel ? rvec->sprixel->id : 0, cell_sprixel_id(vis), sprixel_by_id(ncplane_notcurses_const(p), cell_sprixel_id(vis))->invalidated);
// if we already have a glyph solved, and we run into a bitmap
// cell, we need to null that cell out of the bitmap.
if(crender->p || crender->s.bgblends){
// if sprite_wipe_cell() fails, we presumably do not have the
// ability to wipe, and must reprint the character
if(sprite_wipe_cell(nc, p->sprite, y, x)){
//fprintf(stderr, "damaging due to wipe %d/%d\n", y, x);
crender->s.p_beats_sprixel = 1;
crender->s.damaged = 1;
}
}else if(!crender->p){
// if we are a bitmap, and above a cell that has changed (and
// will thus be printed), we'll need redraw the sprixel.
if(crender->sprixel == NULL /*|| rvec->sprixel->invalidated == SPRIXEL_HIDE*/){
crender->sprixel = sprixel_by_id(nc, cell_sprixel_id(vis));
}
}
}
// Paints a single ncplane 'p' into the provided scratch framebuffer 'fb' (we
// can't always write directly into lastframe, because we need build state to
// solve certain cells, and need compare their solved result to the last frame).
@ -254,24 +278,7 @@ paint(const ncplane* p, struct crender* rvec, int dstleny, int dstlenx,
// glyph, but we *do* need to null out any cellregions that we've
// scribbled upon.
if(cell_sprixel_p(vis)){
//fprintf(stderr, "presprixel: %p preid: %d id: %d state: %d\n", rvec->sprixel, rvec->sprixel ? rvec->sprixel->id : 0, cell_sprixel_id(vis), sprixel_by_id(ncplane_notcurses_const(p), cell_sprixel_id(vis))->invalidated);
// if we already have a glyph solved, and we run into a bitmap
// cell, we need to null that cell out of the bitmap.
if(crender->p || crender->s.bgblends){
// if sprite_wipe_cell() fails, we presumably do not have the
// ability to wipe, and must reprint the character
if(sprite_wipe_cell(ncplane_notcurses_const(p), p->sprite, y, x)){
//fprintf(stderr, "damaging due to wipe %d/%d\n", y, x);
crender->s.p_beats_sprixel = 1;
crender->s.damaged = 1;
}
}else if(!crender->p){
// if we are a bitmap, and above a cell that has changed (and
// will thus be printed), we'll need redraw the sprixel.
if(crender->sprixel == NULL /*|| rvec->sprixel->invalidated == SPRIXEL_HIDE*/){
crender->sprixel = sprixel_by_id(ncplane_notcurses_const(p), cell_sprixel_id(vis));
}
}
paint_sprixel(p, vis, crender, y, x);
continue;
}