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Diffstat (limited to 'experimental/PdfViewer/inc/SkPdfTokenLooper.h')
-rw-r--r-- | experimental/PdfViewer/inc/SkPdfTokenLooper.h | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/experimental/PdfViewer/inc/SkPdfTokenLooper.h b/experimental/PdfViewer/inc/SkPdfTokenLooper.h deleted file mode 100644 index f3897cc78f..0000000000 --- a/experimental/PdfViewer/inc/SkPdfTokenLooper.h +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright 2013 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#ifndef SkPdfTokenLooper_DEFINED -#define SkPdfTokenLooper_DEFINED - -#include "SkPdfNativeTokenizer.h" -// For SkPdfResult -#include "SkPdfUtils.h" - -class SkCanvas; -class SkPdfContext; - -/** - * An object which reads tokens from a tokenizer and draws it to an SkCanvas. - * FIXME (scroggo): Can this be an interface? See http://goo.gl/AXQtkH - */ -class SkPdfTokenLooper { -public: - /** - * Create a looper with no parent. - * @param tokenizer SkPdfNativeTokenizer for reading tokens. - * @param pdfContext Context for drawing state. - * @param canvas Target SkCanvas for drawing. - */ - SkPdfTokenLooper(SkPdfNativeTokenizer* tokenizer, - SkPdfContext* pdfContext, - SkCanvas* canvas) - : fParent(NULL) - , fTokenizer(tokenizer) - , fPdfContext(pdfContext) - , fCanvas(canvas) {} - - /** - * Create a looper as a child of parent. It will share the - * SkPdfContext, SkPdfTokenizer, and SkCanvas with its parent. - */ - explicit SkPdfTokenLooper(SkPdfTokenLooper* parent) - : fParent(parent) - , fTokenizer(parent->fTokenizer) - , fPdfContext(parent->fPdfContext) - , fCanvas(parent->fCanvas) {} - - virtual ~SkPdfTokenLooper() {} - - /** - * Consume a token, and draw to fCanvas as directed. - */ - virtual SkPdfResult consumeToken(PdfToken& token) = 0; - - /** - * Consume all the tokens this looper can handle. - */ - virtual void loop() = 0; - -protected: - // All are unowned pointers. - SkPdfTokenLooper* fParent; - SkPdfNativeTokenizer* fTokenizer; - SkPdfContext* fPdfContext; - SkCanvas* fCanvas; -}; - -#endif // SkPdfTokenLooper_DEFINED |