clean up render_pdfs:

tools/PdfRenderer.cpp

-/*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "PdfRenderer.h"
-#include "SkCanvas.h"
-#include "SkDevice.h"
-#include "SkPDFDevice.h"
-#include "SkPDFDocument.h"
-
-namespace sk_tools {
-
-void PdfRenderer::init(SkPicture* pict, SkWStream* stream) {
-    SkASSERT(NULL == fPicture);
-    SkASSERT(NULL == fCanvas.get());
-    if (fPicture != NULL || NULL != fCanvas.get()) {
-        return;
-    }
-
-    SkASSERT(pict != NULL);
-    if (NULL == pict) {
-        return;
-    }
-
-    fPicture = pict;
-    fCanvas.reset(this->setupCanvas(stream, pict->width(), pict->height()));
-}
-
-SkCanvas* PdfRenderer::setupCanvas(SkWStream* stream, int width, int height) {
-    fPdfDoc.reset(SkDocument::CreatePDF(stream, NULL, fEncoder));
-
-    SkCanvas* canvas = fPdfDoc->beginPage(SkIntToScalar(width), SkIntToScalar(height));
-    canvas->ref();
-
-    return canvas;
-}
-
-void PdfRenderer::end() {
-    fPicture = NULL;
-    fCanvas.reset(NULL);
-    fPdfDoc.reset(NULL);
-}
-
-bool SimplePdfRenderer::render() {
-    SkASSERT(fCanvas.get() != NULL);
-    SkASSERT(fPicture != NULL);
-    if (NULL == fCanvas.get() || NULL == fPicture) {
-        return false;
-    }
-
-    fCanvas->drawPicture(fPicture);
-    fCanvas->flush();
-
-    return fPdfDoc->close();
-}
-
-}