initial commit
Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>
This commit is contained in:
198
libs/wxWidgets-3.3.1/tests/html/htmprint.cpp
Normal file
198
libs/wxWidgets-3.3.1/tests/html/htmprint.cpp
Normal file
@@ -0,0 +1,198 @@
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// Name: tests/html/htmprint.cpp
|
||||
// Purpose: wxHtmlPrintout tests
|
||||
// Author: Vadim Zeitlin
|
||||
// Created: 2018-05-22
|
||||
// Copyright: (c) 2018 Vadim Zeitlin <vadim@wxwidgets.org>
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
// ----------------------------------------------------------------------------
|
||||
// headers
|
||||
// ----------------------------------------------------------------------------
|
||||
|
||||
#include "testprec.h"
|
||||
|
||||
#if wxUSE_HTML
|
||||
|
||||
|
||||
#ifndef WX_PRECOMP
|
||||
#include "wx/dcmemory.h"
|
||||
#endif // WX_PRECOMP
|
||||
|
||||
#include "wx/html/htmprint.h"
|
||||
|
||||
namespace
|
||||
{
|
||||
|
||||
// Return the number of pages in the printout.
|
||||
int CountPages(wxHtmlPrintout& pr)
|
||||
{
|
||||
REQUIRE_NOTHROW( pr.OnPreparePrinting() );
|
||||
|
||||
int pageMin = -1,
|
||||
pageMax = -1,
|
||||
selFrom = -1,
|
||||
selTo = -1;
|
||||
REQUIRE_NOTHROW( pr.GetPageInfo(&pageMin, &pageMax, &selFrom, &selTo) );
|
||||
|
||||
// This should be always the case.
|
||||
CHECK( pageMin == 1 );
|
||||
|
||||
// Return the really interesting value to the caller.
|
||||
return pageMax;
|
||||
}
|
||||
|
||||
} // anonymous namespace
|
||||
|
||||
TEST_CASE("wxHtmlPrintout::Pagination", "[html][print]")
|
||||
{
|
||||
wxHtmlPrintout pr;
|
||||
|
||||
// Pagination works in terms of printer page size, which is obtained by
|
||||
// subtracting margins from the total size and margins are expressed in
|
||||
// millimeters, so their conversion to pixels depends on DPI. To ensure
|
||||
// that we get the same results for all values of DPI, get just get rid
|
||||
// of the margins entirely (it would also be possible to adjust them by
|
||||
// the DPI-dependent factor, but it doesn't seem to be worth doing it).
|
||||
pr.SetMargins(0, 0, 0, 0, 0);
|
||||
|
||||
// Use font size in pixels to make it DPI-independent: if we just used a
|
||||
// normal (say 12pt) font, it would have different height in pixels on 96
|
||||
// and 200 DPI systems, meaning that the text at the end of this test would
|
||||
// take different number of (fixed to 1000px height) pages.
|
||||
//
|
||||
// We could also make the page height proportional to the DPI, but this
|
||||
// would be more complicated as we also wouldn't be able to use hardcoded
|
||||
// height attribute values in the HTML snippets below then.
|
||||
const wxFont fontFixedPixelSize(wxFontInfo(wxSize(10, 16)));
|
||||
pr.SetStandardFonts(fontFixedPixelSize.GetPointSize(), "Helvetica");
|
||||
|
||||
// We currently have to do this with wxGTK3 which uses 72 DPI for its
|
||||
// wxMemoryDC, resulting in 3/4 scaling (because screen DPI is hardcoded as
|
||||
// 96 in src/html/htmprint.cpp), when rendering onto it. This makes the
|
||||
// tests pass, but really shouldn't be necessary. Unfortunately it's not
|
||||
// clear where and how should this be fixed.
|
||||
#ifdef __WXGTK3__
|
||||
pr.SetPPIPrinter(wxSize(96, 96));
|
||||
#endif
|
||||
|
||||
wxBitmap bmp(1000, 1000);
|
||||
wxMemoryDC dc(bmp);
|
||||
pr.SetUp(dc);
|
||||
|
||||
// Empty or short HTML documents should be printed on a single page only.
|
||||
CHECK( CountPages(pr) == 1 );
|
||||
|
||||
pr.SetHtmlText("<p>Hello world!</p>");
|
||||
CHECK( CountPages(pr) == 1 );
|
||||
|
||||
// This one should be too big to fit on a single page.
|
||||
pr.SetHtmlText
|
||||
(
|
||||
"<img width=\"100\" height=\"600\" src=\"dummy\"/>"
|
||||
"<br/>"
|
||||
"<img width=\"100\" height=\"600\" src=\"dummy\"/>"
|
||||
);
|
||||
CHECK( CountPages(pr) == 2 );
|
||||
|
||||
// Special case: normally images are not split, but if the image height is
|
||||
// greater than the page height, it should be.
|
||||
pr.SetHtmlText
|
||||
(
|
||||
"<img width=\"100\" height=\"2500\" src=\"dummy\"/>"
|
||||
);
|
||||
CHECK( CountPages(pr) == 3 );
|
||||
|
||||
// Test explicit page breaks too.
|
||||
pr.SetHtmlText
|
||||
(
|
||||
"First page"
|
||||
"<div style=\"page-break-before:always\"/>"
|
||||
"Second page"
|
||||
);
|
||||
CHECK( CountPages(pr) == 2 );
|
||||
|
||||
pr.SetHtmlText
|
||||
(
|
||||
"Something"
|
||||
"<div style=\"page-break-before:always\">"
|
||||
"<div style=\"page-break-before:always\">"
|
||||
"<div style=\"page-break-before:always\">"
|
||||
"whatever"
|
||||
"</div>"
|
||||
"</div>"
|
||||
"</div>"
|
||||
);
|
||||
CHECK( CountPages(pr) == 2 );
|
||||
|
||||
// Also test that forbidding page breaks inside a paragraph works: it
|
||||
// should move it entirely to the next page, resulting in one extra page
|
||||
// compared to the version without "page-break-inside: avoid".
|
||||
static const char* const text =
|
||||
"Early in the morning on the fourteenth of the spring month of Nisan the<br>"
|
||||
"Procurator of Judea, Pontius Pilate, in a white cloak lined with blood red,<br>"
|
||||
"emerged with his shuffling cavalryman's walk into the arcade connecting the two<br>"
|
||||
"wings of the palace of Herod the Great.<br>"
|
||||
"<br>"
|
||||
"More than anything else in the world the Procurator hated the smell of attar of<br>"
|
||||
"roses. The omens for the day were bad, as this scent had been haunting him<br>"
|
||||
"since dawn.<br>"
|
||||
"<br>"
|
||||
"It seemed to the Procurator that the very cypresses and palms in the garden<br>"
|
||||
"were exuding the smell of roses, that this damned stench of roses was even<br>"
|
||||
"mingling with the smell of leather tackle and sweat from his mounted bodyguard.<br>"
|
||||
"<br>"
|
||||
"A haze of smoke was drifting toward the arcade across the upper courtyard of<br>"
|
||||
"the garden, coming from the wing at the rear of the palace, the quarters of the<br>"
|
||||
"first cohort of the XII Legion; known as the \"Lightning,\" it had been<br>"
|
||||
"stationed in Jerusalem since the Procurator's arrival. The same oily perfume<br>"
|
||||
"of roses was mixed with the acrid smoke that showed that the centuries' cooks<br>"
|
||||
"had started to prepare breakfast<br>"
|
||||
"<br>"
|
||||
"\"Oh, gods, what are you punishing me for?.. No, there's no doubt, I have it<br>"
|
||||
"again, this terrible incurable pain... hemicrania, when half the head aches...<br>"
|
||||
"There's no cure for it, nothing helps... I must try not to move my head...\"<br>"
|
||||
"<br>"
|
||||
"A chair had already been placed on the mosaic floor by the fountain; without a<br>"
|
||||
"glance around, the Procurator sat in it and stretched out his hand to one side.<br>"
|
||||
"His secretary deferentially laid a piece of parchment in his hand. Unable to<br>"
|
||||
"restrain a grimace of agony, the Procurator gave a fleeting sideways look at<br>"
|
||||
"its contents, returned the parchment to his secretary and said painfully, \"The<br>"
|
||||
"accused comes from Galilee, does he? Was the case sent to the tetrarch?\"<br>"
|
||||
"<br>"
|
||||
"\"Yes, Procurator,\" replied the secretary. \"He declined to confirm the<br>"
|
||||
"finding of the court and passed the Sanhedrin's sentence of death to you for<br>"
|
||||
"confirmation.\"<br>"
|
||||
"<br>"
|
||||
"The Procurator's cheek twitched, and he said quietly, \"Bring in the accused.\"<br>"
|
||||
;
|
||||
|
||||
pr.SetHtmlText
|
||||
(
|
||||
wxString::Format
|
||||
(
|
||||
"<img width=\"100\" height=\"500\" src=\"dummy\"/>"
|
||||
"<div>%s</div>"
|
||||
"<br/>"
|
||||
"<img width=\"100\" height=\"500\" src=\"dummy\"/>",
|
||||
text
|
||||
)
|
||||
);
|
||||
CHECK( CountPages(pr) == 2 );
|
||||
|
||||
pr.SetHtmlText
|
||||
(
|
||||
wxString::Format
|
||||
(
|
||||
"<img width=\"100\" height=\"500\" src=\"dummy\"/>"
|
||||
"<div style=\"page-break-inside:avoid\">%s</div>"
|
||||
"<br/>"
|
||||
"<img width=\"100\" height=\"500\" src=\"dummy\"/>",
|
||||
text
|
||||
)
|
||||
);
|
||||
INFO("Using base font size " << fontFixedPixelSize.GetPointSize());
|
||||
CHECK( CountPages(pr) == 3 );
|
||||
}
|
||||
|
||||
#endif //wxUSE_HTML
|
||||
Reference in New Issue
Block a user