m/ptouch-print
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Code Issues Releases Activity

added debugging info, try to fix centering of fonts when manually setting small font size

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This commit is contained in:
Dominic Radermacher 2019-06-07 10:19:21 +02:00
parent 1d26dca80d
commit e0ab4e0596
1 changed files with 36 additions and 10 deletions
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46
src/ptouch-print.c
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@ -86,7 +86,9 @@ int print_img(ptouch_dev ptdev, gdImage *im)
}
offset=64-(gdImageSY(im)/2); /* always print centered */
if ((ptdev->devinfo->flags & FLAG_RASTER_PACKBITS) == FLAG_RASTER_PACKBITS) {
printf("enable PackBits mode\n");
if (debug) {
printf("enable PackBits mode\n");
}
ptouch_enable_packbits(ptdev);
}
if (ptouch_rasterstart(ptdev) != 0) {
@ -205,11 +207,13 @@ int needed_width(char *text, char *font, int fsz)
gdImage *render_text(char *font, char *line[], int lines, int tape_width)
{
int brect[8];
int i, black, x=0, tmp, fsz=0, ofs;
int i, black, x=0, tmp=0, fsz=0;
char *p;
gdImage *im=NULL;
// printf(_("%i lines, font = '%s'\n"), lines, font);
if (debug) {
printf(_("render_text(): %i lines, font = '%s'\n"), lines, font);
}
if (gdFTUseFontConfig(1) != GD_TRUE) {
printf(_("warning: font config not available\n"));
}
@ -238,14 +242,28 @@ gdImage *render_text(char *font, char *line[], int lines, int tape_width)
gdImageColorAllocate(im, 255, 255, 255);
black=gdImageColorAllocate(im, 0, 0, 0);
/* gdImageStringFT(im,brect,fg,fontlist,size,angle,x,y,string) */
/* find max needed line height for ALL lines */
int max_height=0;
for (i=0; i<lines; i++) {
if ((p=gdImageStringFT(NULL, &brect[0], -black, font, fsz, 0.0, 0, 0, line[i])) != NULL) {
printf(_("error in gdImageStringFT: %s\n"), p);
}
tmp=brect[1]-brect[5];
ofs=get_baselineoffset(line[i], font_file, fsz);
// printf("line %i height = %ipx, pos = %i\n", i+1, tmp, i*(tape_width/lines)+tmp-ofs-1);
if ((p=gdImageStringFT(im, &brect[0], -black, font, fsz, 0.0, 0, i*(tape_width/lines)+tmp-ofs-1, line[i])) != NULL) {
int lineheight=brect[1]-brect[5];
if (lineheight > max_height) {
max_height=lineheight;
}
}
if (debug) {
printf("debug: needed (max) height is %ipx\n", max_height);
}
/* now render lines */
for (i=0; i<lines; i++) {
//ofs=get_baselineoffset(line[i], font_file, fsz);
int pos=((i+1)*(tape_width/(lines+1)))+(max_height/2);
if (debug) {
printf("debug: line %i pos=%i\n", i+1, pos);
}
if ((p=gdImageStringFT(im, &brect[0], -black, font, fsz, 0.0, 0, pos, line[i])) != NULL) {
printf(_("error in gdImageStringFT: %s\n"), p);
}
}
@ -280,14 +298,20 @@ gdImage *img_append(gdImage *in_1, gdImage *in_2)
}
gdImageColorAllocate(out, 255, 255, 255);
gdImageColorAllocate(out, 0, 0, 0);
printf("created new img width dimensionx %d * %d\n", length, width);
if (debug) {
printf("debug: created new img with size %d * %d\n", length, width);
}
if (in_1 != NULL) {
gdImageCopy(out, in_1, 0, 0, 0, 0, gdImageSX(in_1), gdImageSY(in_1));
printf("copied part 1\n");
if (debug) {
printf("debug: copied part 1\n");
}
}
if (in_2 != NULL) {
gdImageCopy(out, in_2, i_1_x, 0, 0, 0, gdImageSX(in_2), gdImageSY(in_2));
printf("copied part 2\n");
if (debug) {
printf("copied part 2\n");
}
}
return out;
}
@ -470,6 +494,8 @@ int main(int argc, char *argv[])
out=img_append(out, im);
gdImageDestroy(im);
im = NULL;
} else if (strcmp(&argv[i][1], "-debug") == 0) {
debug = true;
} else {
usage(argv[0]);
}