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Make sure that first-page-column does not exceed any bounds

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Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>
This commit is contained in:
Sebastian Ramacher 2013-11-22 06:14:41 +01:00
parent 156b2e82e2
commit badc0e2815
1 changed files with 13 additions and 5 deletions
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18
document.c
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@ -508,11 +508,11 @@ zathura_document_get_document_size(zathura_document_t* document,
{
g_return_if_fail(document != NULL && height != NULL && width != NULL);
unsigned int npag = zathura_document_get_number_of_pages(document);
unsigned int ncol = zathura_document_get_pages_per_row(document);
unsigned int c0 = zathura_document_get_first_page_column(document);
unsigned int nrow = (npag + c0 - 1 + ncol - 1) / ncol; /* number of rows */
unsigned int pad = zathura_document_get_page_padding(document);
const unsigned int npag = zathura_document_get_number_of_pages(document);
const unsigned int ncol = zathura_document_get_pages_per_row(document);
const unsigned int c0 = zathura_document_get_first_page_column(document);
const unsigned int nrow = (npag + c0 - 1 + ncol - 1) / ncol; /* number of rows */
const unsigned int pad = zathura_document_get_page_padding(document);
unsigned int cell_height = 0;
unsigned int cell_width = 0;
@ -527,8 +527,16 @@ zathura_document_set_page_layout(zathura_document_t* document, unsigned int page
unsigned int pages_per_row, unsigned int first_page_column)
{
g_return_if_fail(document != NULL);
document->page_padding = page_padding;
document->pages_per_row = pages_per_row;
if (first_page_column < 1) {
first_page_column = 1;
} else if (first_page_column > pages_per_row) {
first_page_column = pages_per_row;
}
document->first_page_column = first_page_column;
}