| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| |
| #ifndef SkPDFUtils_DEFINED |
| #define SkPDFUtils_DEFINED |
| |
| #include "SkPaint.h" |
| #include "SkPath.h" |
| |
| class SkMatrix; |
| class SkPath; |
| class SkPDFArray; |
| struct SkRect; |
| class SkWStream; |
| |
| #if 0 |
| #define PRINT_NOT_IMPL(str) fprintf(stderr, str) |
| #else |
| #define PRINT_NOT_IMPL(str) |
| #endif |
| |
| #define NOT_IMPLEMENTED(condition, assert) \ |
| do { \ |
| if ((bool)(condition)) { \ |
| PRINT_NOT_IMPL("NOT_IMPLEMENTED: " #condition "\n"); \ |
| SkDEBUGCODE(SkASSERT(!assert);) \ |
| } \ |
| } while (0) |
| |
| class SkPDFUtils { |
| public: |
| static sk_sp<SkPDFArray> RectToArray(const SkRect& rect); |
| static sk_sp<SkPDFArray> MatrixToArray(const SkMatrix& matrix); |
| static void AppendTransform(const SkMatrix& matrix, SkWStream* content); |
| |
| static void MoveTo(SkScalar x, SkScalar y, SkWStream* content); |
| static void AppendLine(SkScalar x, SkScalar y, SkWStream* content); |
| static void AppendCubic(SkScalar ctl1X, SkScalar ctl1Y, |
| SkScalar ctl2X, SkScalar ctl2Y, |
| SkScalar dstX, SkScalar dstY, SkWStream* content); |
| static void AppendRectangle(const SkRect& rect, SkWStream* content); |
| static void EmitPath(const SkPath& path, SkPaint::Style paintStyle, |
| bool doConsumeDegerates, SkWStream* content); |
| static void EmitPath(const SkPath& path, SkPaint::Style paintStyle, |
| SkWStream* content) { |
| SkPDFUtils::EmitPath(path, paintStyle, true, content); |
| } |
| static void ClosePath(SkWStream* content); |
| static void PaintPath(SkPaint::Style style, SkPath::FillType fill, |
| SkWStream* content); |
| static void StrokePath(SkWStream* content); |
| static void DrawFormXObject(int objectIndex, SkWStream* content); |
| static void ApplyGraphicState(int objectIndex, SkWStream* content); |
| static void ApplyPattern(int objectIndex, SkWStream* content); |
| |
| // 3 = '-', '.', and '\0' characters. |
| // 9 = number of significant digits |
| // abs(FLT_MIN_10_EXP) = number of zeros in FLT_MIN |
| static const size_t kMaximumFloatDecimalLength = 3 + 9 - FLT_MIN_10_EXP; |
| // FloatToDecimal is exposed for unit tests. |
| static size_t FloatToDecimal(float value, |
| char output[kMaximumFloatDecimalLength]); |
| static void AppendScalar(SkScalar value, SkWStream* stream); |
| static void WriteString(SkWStream* wStream, const char* input, size_t len); |
| }; |
| |
| #endif |