void CPageViewer_Draw(CPageViewer_t *viewer, int x, int y, int w, int h)
{
int i;
document_rendered_link_t *link;
int line;
char buf[512];
int sx, sy, sw, sh;
// change x, y, w, h
x = x + (w - 8*(w/8)) /2;
w = w/8;
y = y + (h - 8*(h/8)) /2;
h = h/8;
if (w < 20 || h < 10)
return;
if (viewer->page == NULL)
return;
sx = x;
sy = y;
sw = w;
sh = h;
if (viewer->page->width != w)
viewer->page->should_render = true;
if (viewer->page->should_render)
RenderDocument(viewer, w);
// current link, if in navigation mode
link = viewer->navigation_mode ? viewer->current_links[viewer->current_link_index] : NULL;
// draw title bar
/*
if (viewer->page->rendered.title && viewer->show_title)
{
for (line = 0; line < viewer->page->rendered.title_lines; line++)
{
MakeString(buf, viewer->page->rendered.title + line*viewer->page->width, viewer->page->width);
UI_Print(x, y + line*8, buf, false);
}
UI_MakeLine(buf, viewer->page->width/2);
UI_Print_Center(x, y + line*8, viewer->page->width*8, buf, false);
sh -= line + 1;
sy += (line + 1) * 8;
}
*/
// calculate scrollable area yet
if (viewer->show_status)
sh -= 2;
if (viewer->page->rendered.text_lines - viewer->page->current_line < sh)
viewer->page->current_line -= sh - (viewer->page->rendered.text_lines - viewer->page->current_line);
if (viewer->page->current_line < 0)
viewer->page->current_line = 0;
// draw status bar
if (viewer->show_status)
{
if (viewer->navigation_mode)
{
if (strlen (link->tag->href) > w)
{
strlcpy (buf, link->tag->href, min (sizeof (buf), w-3));
strlcat (buf, "...", sizeof (buf));
}
else
{
int offset = (w - strlen(link->tag->href)) / 2;
memset(buf, ' ', offset);
strlcpy (buf + offset, link->tag->href, sizeof (buf) - offset);
}
UI_Print(x, y + (h-1)*8, buf, false);
}
else
{
snprintf(buf, sizeof (buf), "%d lines ", viewer->page->rendered.text_lines);
if (sh >= viewer->page->rendered.text_lines)
strlcat(buf, "[full]", sizeof (buf));
else if (viewer->page->current_line == 0)
strlcat(buf, "[top]", sizeof (buf));
else if (viewer->page->current_line + sh == viewer->page->rendered.text_lines)
strlcat(buf, "[bottom]", sizeof (buf));
else
{
int percent = (100*(viewer->page->current_line + sh)) / viewer->page->rendered.text_lines;
strlcat(buf, va("[%d%%]", percent), sizeof (buf));
}
UI_Print(x+8*(w-strlen(buf)-1), y + (h-1)*8, buf, false);
if (viewer->page->doc && viewer->page->doc->title)
{
int l = w - strlen(buf) - 3;
if (strlen(viewer->page->doc->title) <= l)
{
UI_Print(x+8, y + (h-1)*8, viewer->page->doc->title, false);
}
else
{
strlcpy(buf, viewer->page->doc->title, min (sizeof (buf), l-3));
strlcat(buf, "...", sizeof (buf));
UI_Print(x+8, y + (h-1)*8, buf, false);
}
}
}
UI_MakeLine(buf, w);
UI_Print_Center(x, y + (h-2)*8, w*8, buf, false);
}
// process with scrollable area
for (line = 0; line < min(sh, viewer->page->rendered.text_lines - viewer->page->current_line); line++)
{
int start, end;
MakeString(buf, (byte *) viewer->page->rendered.text + (line+viewer->page->current_line)*viewer->page->width, viewer->page->width);
if (link)
{
start = max(link->start, (viewer->page->current_line + line) * viewer->page->width);
end = min(link->end, (viewer->page->current_line + line + 1) * viewer->page->width);
if (end > start)
{
start -= (viewer->page->current_line + line) * viewer->page->width;
end -= (viewer->page->current_line + line) * viewer->page->width;
for (i=start; i < end; i++)
buf[i] ^= 128;
}
}
UI_Print(sx, sy + line*8, buf, false);
}
viewer->page->last_height = sh;
}
int main(int argc, char **argv)
{
setlocale(LC_ALL, "C");
DisableDataExecution();
WStrVec argList;
ParseCmdLine(GetCommandLine(), argList);
if (argList.Count() < 2) {
Usage:
ErrOut("%s <filename> [-pwd <password>][-full][-alt][-render <path-%%d.tga>]\n",
path::GetBaseName(argList.At(0)));
return 0;
}
ScopedMem<WCHAR> filePath;
WIN32_FIND_DATA fdata;
HANDLE hfind = FindFirstFile(argList.At(1), &fdata);
if (INVALID_HANDLE_VALUE != hfind) {
ScopedMem<WCHAR> dir(path::GetDir(argList.At(1)));
filePath.Set(path::Join(dir, fdata.cFileName));
FindClose(hfind);
}
else {
// embedded documents are referred to by an invalid path
// containing more information after a colon (e.g. "C:\file.pdf:3:0")
filePath.Set(str::Dup(argList.At(1)));
}
bool fullDump = false;
WCHAR *password = NULL;
WCHAR *renderPath = NULL;
bool useAlternateHandlers = false;
bool loadOnly = false;
int breakAlloc = 0;
for (size_t i = 2; i < argList.Count(); i++) {
if (str::Eq(argList.At(i), L"-full"))
fullDump = true;
else if (str::Eq(argList.At(i), L"-pwd") && i + 1 < argList.Count())
password = argList.At(++i);
else if (str::Eq(argList.At(i), L"-render") && i + 1 < argList.Count())
renderPath = argList.At(++i);
else if (str::Eq(argList.At(i), L"-alt"))
useAlternateHandlers = true;
else if (str::Eq(argList.At(i), L"-loadonly"))
loadOnly = true;
#ifdef DEBUG
else if (str::Eq(argList.At(i), L"-breakalloc") && i + 1 < argList.Count())
breakAlloc = _wtoi(argList.At(++i));
#endif
else
goto Usage;
}
#ifdef DEBUG
if (breakAlloc) {
_CrtSetBreakAlloc(breakAlloc);
if (!IsDebuggerPresent())
MessageBox(NULL, L"Keep your debugger ready for the allocation breakpoint...", L"EngineDump", MB_ICONINFORMATION);
}
#endif
// optionally use GDI+ rendering for PDF/XPS and the original ChmEngine for CHM
DebugGdiPlusDevice(useAlternateHandlers);
DebugAlternateChmEngine(!useAlternateHandlers);
ScopedGdiPlus gdiPlus;
DocType engineType;
PasswordHolder pwdUI(password);
BaseEngine *engine = EngineManager::CreateEngine(true, filePath, &pwdUI, &engineType);
if (!engine) {
ErrOut("Error: Couldn't create an engine for %s!\n", path::GetBaseName(filePath));
return 1;
}
if (!loadOnly)
DumpData(engine, fullDump);
if (renderPath)
RenderDocument(engine, renderPath);
delete engine;
#ifdef DEBUG
// report memory leaks on stderr for engines that shouldn't leak
if (engineType != Engine_DjVu) {
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
}
#endif
return 0;
}
int main(int argc, char **argv)
{
setlocale(LC_ALL, "C");
DisableDataExecution();
WStrVec argList;
ParseCmdLine(GetCommandLine(), argList);
if (argList.Count() < 2) {
Usage:
ErrOut("%s [-pwd <password>][-quick][-render <path-%%d.tga>] <filename>",
path::GetBaseName(argList.At(0)));
return 2;
}
ScopedMem<WCHAR> filePath;
WCHAR *password = NULL;
bool fullDump = true;
WCHAR *renderPath = NULL;
float renderZoom = 1.f;
bool useAlternateHandlers = false;
bool loadOnly = false, silent = false;
#ifdef DEBUG
int breakAlloc = 0;
#endif
for (size_t i = 1; i < argList.Count(); i++) {
if (str::Eq(argList.At(i), L"-pwd") && i + 1 < argList.Count() && !password)
password = argList.At(++i);
else if (str::Eq(argList.At(i), L"-quick"))
fullDump = false;
else if (str::Eq(argList.At(i), L"-render") && i + 1 < argList.Count() && !renderPath) {
// optional zoom argument (e.g. -render 50% file.pdf)
float zoom;
if (i + 2 < argList.Count() && str::Parse(argList.At(i + 1), L"%f%%%$", &zoom) && zoom > 0.f) {
renderZoom = zoom / 100.f;
i++;
}
renderPath = argList.At(++i);
}
// -alt is for debugging alternate rendering methods
else if (str::Eq(argList.At(i), L"-alt"))
useAlternateHandlers = true;
// -loadonly and -silent are only meant for profiling
else if (str::Eq(argList.At(i), L"-loadonly"))
loadOnly = true;
else if (str::Eq(argList.At(i), L"-silent"))
silent = true;
// -full is for backward compatibility
else if (str::Eq(argList.At(i), L"-full"))
fullDump = true;
#ifdef DEBUG
else if (str::Eq(argList.At(i), L"-breakalloc") && i + 1 < argList.Count())
breakAlloc = _wtoi(argList.At(++i));
#endif
else if (!filePath)
filePath.Set(str::Dup(argList.At(i)));
else
goto Usage;
}
if (!filePath)
goto Usage;
#ifdef DEBUG
if (breakAlloc) {
_CrtSetBreakAlloc(breakAlloc);
if (!IsDebuggerPresent())
MessageBox(NULL, L"Keep your debugger ready for the allocation breakpoint...", L"EngineDump", MB_ICONINFORMATION);
}
#endif
if (silent) {
FILE *nul;
freopen_s(&nul, "NUL", "w", stdout);
freopen_s(&nul, "NUL", "w", stderr);
}
// optionally use GDI+ rendering for PDF/XPS
DebugGdiPlusDevice(useAlternateHandlers);
ScopedGdiPlus gdiPlus;
ScopedMiniMui miniMui;
WIN32_FIND_DATA fdata;
HANDLE hfind = FindFirstFile(filePath, &fdata);
// embedded documents are referred to by an invalid path
// containing more information after a colon (e.g. "C:\file.pdf:3:0")
if (INVALID_HANDLE_VALUE != hfind) {
ScopedMem<WCHAR> dir(path::GetDir(filePath));
filePath.Set(path::Join(dir, fdata.cFileName));
FindClose(hfind);
}
EngineType engineType;
PasswordHolder pwdUI(password);
BaseEngine *engine = EngineManager::CreateEngine(filePath, &pwdUI, &engineType);
if (!engine) {
ErrOut("Error: Couldn't create an engine for %s!", path::GetBaseName(filePath));
return 1;
}
Vec<PageAnnotation> *userAnnots = LoadFileModifications(engine->FileName());
engine->UpdateUserAnnotations(userAnnots);
delete userAnnots;
if (!loadOnly)
DumpData(engine, fullDump);
if (renderPath)
RenderDocument(engine, renderPath, renderZoom, silent);
delete engine;
#ifdef DEBUG
// report memory leaks on stderr for engines that shouldn't leak
if (engineType != Engine_DjVu) {
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
}
#endif
return 0;
}
