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Fix transformation matrix.

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yzrh 2021-01-12 03:13:07 +00:00
parent f685e91d35
commit 057a7acc51
1 changed files with 8 additions and 3 deletions
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11
src/cnki_pdf.c
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@ -692,15 +692,20 @@ cnki_pdf_hn(cnki_t **param)
strcat(dictionary, "q\n"); strcat(dictionary, "q\n");
strcat(dictionary, "0.120000 0 0 0.120000 0 0 cm\n"); strcat(dictionary, "0.25 0 0 0.25 0 0 cm\n");
for (int i = 0; i < ptr->image_length; i++) { for (int i = 0; i < ptr->image_length; i++) {
if (dim[i * 2] <= 0 || dim[i * 2 + 1] <= 0) if (dim[i * 2] <= 0 || dim[i * 2 + 1] <= 0)
continue; continue;
/* Apply transformation matrix */ /* Apply transformation matrix */
if (ptr->image_data[i].format == DCT_1) if (ptr->image_data[i].format == DCT_1) {
strcat(dictionary, "-1 0 0 -1 0 0 cm\n"); snprintf(buf, 64, "1 0 0 1 0 %d cm\n",
dim[i * 2 + 1]);
strcat(dictionary, buf);
strcat(dictionary, "1 0 0 -1 0 0 cm\n");
}
snprintf(buf, 64, "%d 0 0 %d 0 0 cm\n", snprintf(buf, 64, "%d 0 0 %d 0 0 cm\n",
dim[i * 2], dim[i * 2 + 1]); dim[i * 2], dim[i * 2 + 1]);