Archives
/
notcurses
mirror of https://github.com/dankamongmen/notcurses
2
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

shim_upper_half_block: deal with arbitrary width #1726

Browse Source
pull/1813/head
nick black 3 years ago committed by Nick Black
parent 61ac8dfbb1
commit 2c8cc6f53c
1 changed files with 100 additions and 85 deletions
Show Stats Download Patch File Download Diff File

185
src/lib/linux.c
Unescape Escape View File

@ -4,43 +4,58 @@
#include <linux/kd.h>
#include <sys/ioctl.h>
// each row is a contiguous set of bits, starting at the msb
static inline size_t
row_bytes(const struct console_font_op* cfo){
return cfo->width + 7 / 8;
}
// is this constant? lock it down. need 128B for 32*32 FIXME
static inline size_t
glyph_bytes(const struct console_font_op* cfo){
return row_bytes(cfo) * cfo->height;
}
static unsigned char*
get_glyph(struct console_font_op* cfd, unsigned idx){
if(idx >= cfd->charcount){
get_glyph(struct console_font_op* cfo, unsigned idx){
if(idx >= cfo->charcount){
return NULL;
}
return (unsigned char*)cfd->data + 32 * idx;
return (unsigned char*)cfo->data + glyph_bytes(cfo) * idx;
}
static int // insert U+2580 (upper half block)
shim_upper_half_block(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_upper_half_block(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
unsigned r;
for(r = 0 ; r < cfd->height / 2 ; ++r, ++glyph){
*glyph = 0xff;
unsigned r = 0;
for(r = 0 ; r < cfo->height / 2 ; ++r){
for(size_t x = 0 ; x < row_bytes(cfo) ; ++x){
*glyph++ = 0xff;
}
}
while(r < cfd->height){
*glyph = 0;
++glyph;
while(r < cfo->height){
for(size_t x = 0 ; x < row_bytes(cfo) ; ++x){
*glyph++ = 0;
}
++r;
}
return 0;
}
static int // insert U+2584 (lower half block)
shim_lower_half_block(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_lower_half_block(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
unsigned r;
for(r = 0 ; r < cfd->height / 2 ; ++r, ++glyph){
for(r = 0 ; r < cfo->height / 2 ; ++r, ++glyph){
*glyph = 0;
}
while(r < cfd->height){
while(r < cfo->height){
*glyph = 0xff;
++glyph;
++r;
@ -49,264 +64,264 @@ shim_lower_half_block(struct console_font_op* cfd, unsigned idx){
}
static int // insert U+258c (left half block)
shim_left_half_block(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_left_half_block(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0xf0;
}
return 0;
}
static int // insert U+2590 (right half block)
shim_right_half_block(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_right_half_block(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0x0f;
}
return 0;
}
static int // insert U+2598 (quadrant upper left)
shim_upper_left_quad(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_upper_left_quad(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height / 2 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height / 2 ; ++r, ++glyph){
*glyph = 0xf0;
}
for(unsigned r = cfd->height / 2 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height / 2 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0;
}
return 0;
}
static int // insert U+259D (quadrant upper right)
shim_upper_right_quad(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_upper_right_quad(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height / 2 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height / 2 ; ++r, ++glyph){
*glyph = 0x0f;
}
for(unsigned r = cfd->height / 2 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height / 2 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0;
}
return 0;
}
static int // insert U+2598 (quadrant lower left)
shim_lower_left_quad(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_lower_left_quad(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height / 2 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height / 2 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->height / 2 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height / 2 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0xf0;
}
return 0;
}
static int // insert U+2597 (quadrant lower right)
shim_lower_right_quad(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_lower_right_quad(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height / 2 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height / 2 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->height / 2 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height / 2 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0x0f;
}
return 0;
}
static int
shim_no_upper_left_quad(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_no_upper_left_quad(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height / 2 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height / 2 ; ++r, ++glyph){
*glyph = 0x0f;
}
for(unsigned r = cfd->height / 2 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height / 2 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
static int
shim_no_upper_right_quad(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_no_upper_right_quad(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height / 2 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height / 2 ; ++r, ++glyph){
*glyph = 0xf0;
}
for(unsigned r = cfd->height / 2 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height / 2 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
static int
shim_no_lower_left_quad(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_no_lower_left_quad(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height / 2 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height / 2 ; ++r, ++glyph){
*glyph = 0xff;
}
for(unsigned r = cfd->height / 2 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height / 2 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0x0f;
}
return 0;
}
static int
shim_no_lower_right_quad(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_no_lower_right_quad(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height / 2 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height / 2 ; ++r, ++glyph){
*glyph = 0xff;
}
for(unsigned r = cfd->height / 2 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height / 2 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0xf0;
}
return 0;
}
static int
shim_quad_ul_lr(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_quad_ul_lr(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height / 2 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height / 2 ; ++r, ++glyph){
*glyph = 0xf0;
}
for(unsigned r = cfd->height / 2 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height / 2 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0x0f;
}
return 0;
}
static int
shim_quad_ll_ur(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_quad_ll_ur(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height / 2 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height / 2 ; ++r, ++glyph){
*glyph = 0x0f;
}
for(unsigned r = cfd->height / 2 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height / 2 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0xf0;
}
return 0;
}
static int
shim_lower_seven_eighth(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_lower_seven_eighth(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height / 8 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height / 8 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->height / 8 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height / 8 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
static int
shim_lower_three_quarter(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_lower_three_quarter(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height / 4 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height / 4 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->height / 4 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height / 4 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
static int
shim_lower_five_eighth(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_lower_five_eighth(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height * 5 / 8 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height * 5 / 8 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->height * 5 / 8 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height * 5 / 8 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
static int
shim_lower_three_eighth(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_lower_three_eighth(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height * 3 / 8 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height * 3 / 8 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->height * 3 / 8 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height * 3 / 8 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
static int
shim_lower_quarter(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_lower_quarter(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height * 3 / 4 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height * 3 / 4 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->height * 3 / 4 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height * 3 / 4 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
static int
shim_lower_eighth(struct console_font_op* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
shim_lower_eighth(struct console_font_op* cfo, unsigned idx){
unsigned char* glyph = get_glyph(cfo, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->height * 7 / 8 ; ++r, ++glyph){
for(unsigned r = 0 ; r < cfo->height * 7 / 8 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->height * 7 / 8 ; r < cfd->height ; ++r, ++glyph){
for(unsigned r = cfo->height * 7 / 8 ; r < cfo->height ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;

Write Preview
Loading…
Cancel
Save