DWORD WINAPI RenderCache::RenderCacheThread(LPVOID data)
{
RenderCache *cache = (RenderCache *)data;
PageRenderRequest req;
RenderedBitmap * bmp;
for (;;) {
if (cache->ClearCurrentRequest()) {
DWORD waitResult = WaitForSingleObject(cache->startRendering, INFINITE);
// Is it not a page render request?
if (WAIT_OBJECT_0 != waitResult)
continue;
}
if (!cache->GetNextRequest(&req))
continue;
if (!req.dm->PageVisibleNearby(req.pageNo) && !req.renderCb)
continue;
if (req.dm->dontRenderFlag) {
if (req.renderCb)
req.renderCb->Callback();
continue;
}
// make sure that we have extracted page text for
// all rendered pages to allow text selection and
// searching without any further delays
if (!req.dm->textCache->HasData(req.pageNo))
req.dm->textCache->GetData(req.pageNo);
CrashIf(req.abortCookie != NULL);
bmp = req.dm->engine->RenderBitmap(req.pageNo, req.zoom, req.rotation, &req.pageRect, Target_View, &req.abortCookie);
if (req.abort) {
delete bmp;
if (req.renderCb)
req.renderCb->Callback();
continue;
}
if (req.renderCb) {
// the callback must free the RenderedBitmap
req.renderCb->Callback(bmp);
req.renderCb = (RenderingCallback *)1; // will crash if accessed again, which should not happen
}
else {
// don't replace colors for individual images
if (bmp && !req.dm->engine->IsImageCollection())
UpdateBitmapColorRange(bmp->GetBitmap(), cache->colorRange);
cache->Add(req, bmp);
#ifdef CONSERVE_MEMORY
cache->FreeNotVisible();
#endif
req.dm->RepaintDisplay();
}
}
return 0;
}
void DrawStartPage(WindowInfo& win, HDC hdc, FileHistory& fileHistory, COLORREF colorRange[2])
{
HPEN penBorder = CreatePen(PS_SOLID, DOCLIST_SEPARATOR_DY, WIN_COL_BLACK);
HPEN penThumbBorder = CreatePen(PS_SOLID, DOCLIST_THUMBNAIL_BORDER_W, WIN_COL_BLACK);
HPEN penLinkLine = CreatePen(PS_SOLID, 1, COL_BLUE_LINK);
ScopedFont fontSumatraTxt(GetSimpleFont(hdc, L"MS Shell Dlg", 24));
ScopedFont fontLeftTxt(GetSimpleFont(hdc, L"MS Shell Dlg", 14));
HGDIOBJ origFont = SelectObject(hdc, fontSumatraTxt); /* Just to remember the orig font */
ClientRect rc(win.hwndCanvas);
FillRect(hdc, &rc.ToRECT(), gBrushLogoBg);
SelectObject(hdc, gBrushLogoBg);
SelectObject(hdc, penBorder);
bool isRtl = IsUIRightToLeft();
/* render title */
RectI titleBox = RectI(PointI(0, 0), CalcSumatraVersionSize(hdc));
titleBox.x = rc.dx - titleBox.dx - 3;
DrawSumatraVersion(hdc, titleBox);
PaintLine(hdc, RectI(0, titleBox.dy, rc.dx, 0));
/* render recent files list */
SelectObject(hdc, penThumbBorder);
SetBkMode(hdc, TRANSPARENT);
SetTextColor(hdc, WIN_COL_BLACK);
rc.y += titleBox.dy;
rc.dy -= titleBox.dy;
FillRect(hdc, &rc.ToRECT(), gBrushAboutBg);
rc.dy -= DOCLIST_BOTTOM_BOX_DY;
Vec<DisplayState *> list;
fileHistory.GetFrequencyOrder(list);
int width = limitValue((rc.dx - DOCLIST_MARGIN_LEFT - DOCLIST_MARGIN_RIGHT + DOCLIST_MARGIN_BETWEEN_X) / (THUMBNAIL_DX + DOCLIST_MARGIN_BETWEEN_X), 1, DOCLIST_MAX_THUMBNAILS_X);
int height = min((rc.dy - DOCLIST_MARGIN_TOP - DOCLIST_MARGIN_BOTTOM + DOCLIST_MARGIN_BETWEEN_Y) / (THUMBNAIL_DY + DOCLIST_MARGIN_BETWEEN_Y), FILE_HISTORY_MAX_FREQUENT / width);
PointI offset(rc.x + DOCLIST_MARGIN_LEFT + (rc.dx - width * THUMBNAIL_DX - (width - 1) * DOCLIST_MARGIN_BETWEEN_X - DOCLIST_MARGIN_LEFT - DOCLIST_MARGIN_RIGHT) / 2, rc.y + DOCLIST_MARGIN_TOP);
if (offset.x < ABOUT_INNER_PADDING)
offset.x = ABOUT_INNER_PADDING;
else if (list.Count() == 0)
offset.x = DOCLIST_MARGIN_LEFT;
SelectObject(hdc, fontSumatraTxt);
SIZE txtSize;
const WCHAR *txt = _TR("Frequently Read");
GetTextExtentPoint32(hdc, txt, (int)str::Len(txt), &txtSize);
RectI headerRect(offset.x, rc.y + (DOCLIST_MARGIN_TOP - txtSize.cy) / 2, txtSize.cx, txtSize.cy);
if (isRtl)
headerRect.x = rc.dx - offset.x - headerRect.dx;
DrawText(hdc, txt, -1, &headerRect.ToRECT(), (isRtl ? DT_RTLREADING : DT_LEFT) | DT_NOPREFIX);
SelectObject(hdc, fontLeftTxt);
SelectObject(hdc, GetStockBrush(NULL_BRUSH));
win.staticLinks.Reset();
for (int h = 0; h < height; h++) {
for (int w = 0; w < width; w++) {
if (h * width + w >= (int)list.Count()) {
// display the "Open a document" link right below the last row
height = w > 0 ? h + 1 : h;
break;
}
DisplayState *state = list.At(h * width + w);
RectI page(offset.x + w * (int)(THUMBNAIL_DX + DOCLIST_MARGIN_BETWEEN_X * win.uiDPIFactor),
offset.y + h * (int)(THUMBNAIL_DY + DOCLIST_MARGIN_BETWEEN_Y * win.uiDPIFactor),
THUMBNAIL_DX, THUMBNAIL_DY);
if (isRtl)
page.x = rc.dx - page.x - page.dx;
bool loadOk = true;
if (!state->thumbnail)
loadOk = LoadThumbnail(*state);
if (loadOk && state->thumbnail) {
SizeI thumbSize = state->thumbnail->Size();
if (thumbSize.dx != THUMBNAIL_DX || thumbSize.dy != THUMBNAIL_DY) {
page.dy = thumbSize.dy * THUMBNAIL_DX / thumbSize.dx;
page.y += THUMBNAIL_DY - page.dy;
}
HRGN clip = CreateRoundRectRgn(page.x, page.y, page.x + page.dx, page.y + page.dy, 10, 10);
SelectClipRgn(hdc, clip);
RenderedBitmap *clone = state->thumbnail->Clone();
UpdateBitmapColorRange(clone->GetBitmap(), colorRange);
clone->StretchDIBits(hdc, page);
SelectClipRgn(hdc, NULL);
DeleteObject(clip);
delete clone;
}
RoundRect(hdc, page.x, page.y, page.x + page.dx, page.y + page.dy, 10, 10);
int iconSpace = (int)(20 * win.uiDPIFactor);
RectI rect(page.x + iconSpace, page.y + page.dy + 3, page.dx - iconSpace, iconSpace);
if (isRtl)
rect.x -= iconSpace;
DrawText(hdc, path::GetBaseName(state->filePath), -1, &rect.ToRECT(), DT_SINGLELINE | DT_END_ELLIPSIS | DT_NOPREFIX | (isRtl ? DT_RIGHT : DT_LEFT));
SHFILEINFO sfi;
HIMAGELIST himl = (HIMAGELIST)SHGetFileInfo(state->filePath, 0, &sfi, sizeof(sfi), SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_USEFILEATTRIBUTES);
ImageList_Draw(himl, sfi.iIcon, hdc,
isRtl ? page.x + page.dx - (int)(16 * win.uiDPIFactor) : page.x,
rect.y, ILD_TRANSPARENT);
win.staticLinks.Append(StaticLinkInfo(rect.Union(page), state->filePath, state->filePath));
}
}
/* render bottom links */
rc.y += DOCLIST_MARGIN_TOP + height * THUMBNAIL_DY + (height - 1) * DOCLIST_MARGIN_BETWEEN_Y + DOCLIST_MARGIN_BOTTOM;
rc.dy = DOCLIST_BOTTOM_BOX_DY;
SetTextColor(hdc, COL_BLUE_LINK);
SelectObject(hdc, penLinkLine);
HIMAGELIST himl = (HIMAGELIST)SendMessage(win.hwndToolbar, TB_GETIMAGELIST, 0, 0);
RectI rectIcon(offset.x, rc.y, 0, 0);
ImageList_GetIconSize(himl, &rectIcon.dx, &rectIcon.dy);
rectIcon.y += (rc.dy - rectIcon.dy) / 2;
if (isRtl)
rectIcon.x = rc.dx - offset.x - rectIcon.dx;
ImageList_Draw(himl, 0 /* index of Open icon */, hdc, rectIcon.x, rectIcon.y, ILD_NORMAL);
txt = _TR("Open a document...");
GetTextExtentPoint32(hdc, txt, (int)str::Len(txt), &txtSize);
RectI rect(offset.x + rectIcon.dx + 3, rc.y + (rc.dy - txtSize.cy) / 2, txtSize.cx, txtSize.cy);
if (isRtl)
rect.x = rectIcon.x - rect.dx - 3;
DrawText(hdc, txt, -1, &rect.ToRECT(), isRtl ? DT_RTLREADING : DT_LEFT);
PaintLine(hdc, RectI(rect.x, rect.y + rect.dy, rect.dx, 0));
// make the click target larger
rect = rect.Union(rectIcon);
rect.Inflate(10, 10);
win.staticLinks.Append(StaticLinkInfo(rect, SLINK_OPEN_FILE));
rect = DrawBottomRightLink(win.hwndCanvas, hdc, _TR("Hide frequently read"));
win.staticLinks.Append(StaticLinkInfo(rect, SLINK_LIST_HIDE));
SelectObject(hdc, origFont);
DeleteObject(penBorder);
DeleteObject(penThumbBorder);
DeleteObject(penLinkLine);
}
