1
2/*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10#ifndef SkPDFUtils_DEFINED
11#define SkPDFUtils_DEFINED
12
13#include "SkPaint.h"
14#include "SkPath.h"
15
16class SkMatrix;
17class SkPath;
18class SkPDFArray;
19struct SkRect;
20class SkWStream;
21
22#if 0
23#define PRINT_NOT_IMPL(str) fprintf(stderr, str)
24#else
25#define PRINT_NOT_IMPL(str)
26#endif
27
28#define NOT_IMPLEMENTED(condition, assert)                         \
29    do {                                                           \
30        if ((bool)(condition)) {                                   \
31            PRINT_NOT_IMPL("NOT_IMPLEMENTED: " #condition "\n");   \
32            SkDEBUGCODE(SkASSERT(!assert);)                        \
33        }                                                          \
34    } while (0)
35
36class SkPDFUtils {
37public:
38    static SkPDFArray* RectToArray(const SkRect& rect);
39    static SkPDFArray* MatrixToArray(const SkMatrix& matrix);
40    static void AppendTransform(const SkMatrix& matrix, SkWStream* content);
41
42    static void MoveTo(SkScalar x, SkScalar y, SkWStream* content);
43    static void AppendLine(SkScalar x, SkScalar y, SkWStream* content);
44    static void AppendCubic(SkScalar ctl1X, SkScalar ctl1Y,
45                            SkScalar ctl2X, SkScalar ctl2Y,
46                            SkScalar dstX, SkScalar dstY, SkWStream* content);
47    static void AppendRectangle(const SkRect& rect, SkWStream* content);
48    static void EmitPath(const SkPath& path, SkPaint::Style paintStyle,
49                         SkWStream* content);
50    static void ClosePath(SkWStream* content);
51    static void PaintPath(SkPaint::Style style, SkPath::FillType fill,
52                          SkWStream* content);
53    static void StrokePath(SkWStream* content);
54    static void DrawFormXObject(int objectIndex, SkWStream* content);
55    static void ApplyGraphicState(int objectIndex, SkWStream* content);
56    static void ApplyPattern(int objectIndex, SkWStream* content);
57};
58
59#endif
60