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pdfviewer: remove simple implementation for non-isolated groups. will be implemented in skia most probably. also it is not generated by SkPDFDevice

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Review URL: https://codereview.chromium.org/21537003

git-svn-id: http://skia.googlecode.com/svn/trunk@10479 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
edisonn@google.com 2013-08-01 13:24:00 +00:00
parent 34a3e9b531
commit 251176ebe9
1 changed files with 4 additions and 24 deletions
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28
experimental/PdfViewer/SkPdfRenderer.cpp
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@ -650,6 +650,7 @@ static PdfResult doXObject_Image(PdfContext* pdfContext, SkCanvas* canvas, SkPdf
// CON: pathops must be bug free first + time to compute new paths
// pay a price at loading pdf to compute a pdf draw plan
// on average, a load with empty draw is 100ms on all the skps we have, for complete sites
// 5) for knockout, render the objects in reverse order, and add every object to the clip, and any new draw will be cliped
// TODO(edisonn): draw plan from point! - list of draw ops of a point, like a tree!
@ -662,34 +663,15 @@ static void doGroup_before(PdfContext* pdfContext, SkCanvas* canvas, SkRect bbox
SkBitmap backdrop;
bool isolatedGroup = tgroup->I(pdfContext->fPdfDoc);
// bool knockoutGroup = tgroup->K(pdfContext->fPdfDoc);
bool hasPixels = false;
if (!isolatedGroup) {
// TODO(edisonn): if the rect is not mapable, the operation could be expensive, e.g.
// a diagonal long but small rect would require to save all the page
SkMatrix inverse;
if (pdfContext->fGraphicsState.fCTM.mapRect(&bbox) &&
canvas->getTotalMatrix().invert(&inverse) &&
inverse.mapRect(&bbox)) {
SkIRect area = SkIRect::MakeLTRB(SkScalarTruncToInt(bbox.left()),
SkScalarTruncToInt(bbox.top()),
SkScalarTruncToInt(bbox.right()) + 2,
SkScalarTruncToInt(bbox.bottom()) + 2);
SkBitmap dummy;
if (canvas->readPixels(area, &dummy)) {
hasPixels = true;
}
}
}
SkPaint paint;
pdfContext->fGraphicsState.applyGraphicsState(&paint, false);
canvas->saveLayer(&bboxOrig, isolatedGroup ? &paint : NULL);
if (hasPixels) {
canvas->drawBitmapRect(backdrop, bboxOrig, NULL);
}
}
// TODO(edisonn): non isolation implemented in skia
//static void doGroup_after(PdfContext* pdfContext, SkCanvas* canvas, SkRect bbox, SkPdfTransparencyGroupDictionary* tgroup) {
// if not isolated
// canvas->drawBitmapRect(backdrop, bboxOrig, NULL);
//}
static PdfResult doXObject_Form(PdfContext* pdfContext, SkCanvas* canvas, SkPdfType1FormDictionary* skobj) {
@ -703,8 +685,6 @@ static PdfResult doXObject_Form(PdfContext* pdfContext, SkCanvas* canvas, SkPdfT
PdfOp_q(pdfContext, canvas, NULL);
canvas->save();