m/ptouch-print
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cosmetics

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This commit is contained in:
Dominic Radermacher 2025-05-12 17:59:45 +02:00
parent ec923ed579
commit a6c67df2c9
1 changed files with 7 additions and 8 deletions
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13
src/ptouch-print.c
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@ -76,24 +76,23 @@ void rasterline_setpixel(uint8_t* rasterline, size_t size, int pixel)
int print_img(ptouch_dev ptdev, gdImage *im, int chain)
{
int d,i,k,offset,tape_width;
uint8_t rasterline[(ptdev->devinfo->max_px)/8];
if (!im) {
printf(_("nothing to print\n"));
return -1;
}
tape_width=ptouch_get_tape_width(ptdev);
int tape_width = ptouch_get_tape_width(ptdev);
size_t max_pixels = ptouch_get_max_width(ptdev);
/* find out whether color 0 or color 1 is darker */
d=(gdImageRed(im,1)+gdImageGreen(im,1)+gdImageBlue(im,1) < gdImageRed(im,0)+gdImageGreen(im,0)+gdImageBlue(im,0))?1:0;
int d = (gdImageRed(im,1) + gdImageGreen(im,1) + gdImageBlue(im,1) < gdImageRed(im,0) + gdImageGreen(im,0) + gdImageBlue(im,0))?1:0;
if (gdImageSY(im) > tape_width) {
printf(_("image is too large (%ipx x %ipx)\n"), gdImageSX(im), gdImageSY(im));
printf(_("maximum printing width for this tape is %ipx\n"), tape_width);
return -1;
}
printf(_("image size (%ipx x %ipx)\n"), gdImageSX(im), gdImageSY(im));
size_t max_pixels=ptouch_get_max_width(ptdev);
offset=((int)max_pixels / 2)-(gdImageSY(im)/2); /* always print centered */
int offset = ((int)max_pixels / 2) - (gdImageSY(im)/2); /* always print centered */
printf("max_pixels=%ld, offset=%d\n", max_pixels, offset);
if ((ptdev->devinfo->flags & FLAG_RASTER_PACKBITS) == FLAG_RASTER_PACKBITS) {
if (debug) {
@ -129,9 +128,9 @@ int print_img(ptouch_dev ptdev, gdImage *im, int chain)
printf(_("send precut command\n"));
}
}
for (k=0; k<gdImageSX(im); k+=1) {
for (int k = 0; k < gdImageSX(im); ++k) {
memset(rasterline, 0, sizeof(rasterline));
for (i=0; i<gdImageSY(im); i+=1) {
for (int i = 0; i < gdImageSY(im); ++i) {
if (gdImageGetPixel(im, k, gdImageSY(im) - 1 - i) == d) {
rasterline_setpixel(rasterline, sizeof(rasterline), offset+i);
}