1fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot/* 2fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * Copyright 2011 Google Inc. 3fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * 4fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * Use of this source code is governed by a BSD-style license that can be 5fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * found in the LICENSE file. 6fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot */ 7fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#ifndef SkPDFUtils_DEFINED 8fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#define SkPDFUtils_DEFINED 9fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 10fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkFloatToDecimal.h" 11fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkPDFTypes.h" 12fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkPaint.h" 13fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkPath.h" 14fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkShader.h" 15fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkStream.h" 16fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkUtils.h" 17fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 18fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotclass SkMatrix; 19fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotclass SkPDFArray; 20fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstruct SkRect; 21fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 22fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robottemplate <typename T> 23fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotbool SkPackedArrayEqual(T* u, T* v, size_t n) { 24fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkASSERT(u); 25fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkASSERT(v); 26fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return 0 == memcmp(u, v, n * sizeof(T)); 27fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 28fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 29fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#if 0 30fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#define PRINT_NOT_IMPL(str) fprintf(stderr, str) 31fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#else 32fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#define PRINT_NOT_IMPL(str) 33fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#endif 34fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 35fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#define NOT_IMPLEMENTED(condition, assert) \ 36fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot do { \ 37fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if ((bool)(condition)) { \ 38fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot PRINT_NOT_IMPL("NOT_IMPLEMENTED: " #condition "\n"); \ 39fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkDEBUGCODE(SkASSERT(!assert);) \ 40fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } \ 41fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } while (0) 42fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 43fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotnamespace SkPDFUtils { 44fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 45fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotconstexpr float kDpiForRasterScaleOne = 72.0f; 46fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 47fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotsk_sp<SkPDFArray> RectToArray(const SkRect& rect); 48fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotsk_sp<SkPDFArray> MatrixToArray(const SkMatrix& matrix); 49fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid AppendTransform(const SkMatrix& matrix, SkWStream* content); 50fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 51fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid MoveTo(SkScalar x, SkScalar y, SkWStream* content); 52fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid AppendLine(SkScalar x, SkScalar y, SkWStream* content); 53fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid AppendCubic(SkScalar ctl1X, SkScalar ctl1Y, 54fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkScalar ctl2X, SkScalar ctl2Y, 55fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkScalar dstX, SkScalar dstY, SkWStream* content); 56fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid AppendRectangle(const SkRect& rect, SkWStream* content); 57fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid EmitPath(const SkPath& path, SkPaint::Style paintStyle, 58fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot bool doConsumeDegerates, SkWStream* content, SkScalar tolerance = 0.25f); 59fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotinline void EmitPath(const SkPath& path, SkPaint::Style paintStyle, 60fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkWStream* content, SkScalar tolerance = 0.25f) { 61fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPDFUtils::EmitPath(path, paintStyle, true, content, tolerance); 62fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 63fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid ClosePath(SkWStream* content); 64fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid PaintPath(SkPaint::Style style, SkPath::FillType fill, 65fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkWStream* content); 66fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid StrokePath(SkWStream* content); 67fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid DrawFormXObject(int objectIndex, SkWStream* content); 68fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid ApplyGraphicState(int objectIndex, SkWStream* content); 69fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid ApplyPattern(int objectIndex, SkWStream* content); 70fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 71fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot// Converts (value / 255.0) with three significant digits of accuracy. 72fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot// Writes value as string into result. Returns strlen() of result. 73fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotsize_t ColorToDecimal(uint8_t value, char result[5]); 74fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotinline void AppendColorComponent(uint8_t value, SkWStream* wStream) { 75fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot char buffer[5]; 76fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot size_t len = SkPDFUtils::ColorToDecimal(value, buffer); 77fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot wStream->write(buffer, len); 78fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 79fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 80fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotinline void AppendScalar(SkScalar value, SkWStream* stream) { 81fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot char result[kMaximumSkFloatToDecimalLength]; 82fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot size_t len = SkFloatToDecimal(SkScalarToFloat(value), result); 83fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkASSERT(len < kMaximumSkFloatToDecimalLength); 84fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot stream->write(result, len); 85fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 86fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 87fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid WriteString(SkWStream* wStream, const char* input, size_t len); 88fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 89fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotinline void WriteUInt16BE(SkDynamicMemoryWStream* wStream, uint16_t value) { 90fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot char result[4]; 91fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot result[0] = SkHexadecimalDigits::gUpper[ value >> 12 ]; 92fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot result[1] = SkHexadecimalDigits::gUpper[0xF & (value >> 8 )]; 93fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot result[2] = SkHexadecimalDigits::gUpper[0xF & (value >> 4 )]; 94fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot result[3] = SkHexadecimalDigits::gUpper[0xF & (value )]; 95fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot wStream->write(result, 4); 96fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 97fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 98fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotinline void WriteUInt8(SkDynamicMemoryWStream* wStream, uint8_t value) { 99fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot char result[2] = { SkHexadecimalDigits::gUpper[value >> 4], 100fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkHexadecimalDigits::gUpper[value & 0xF] }; 101fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot wStream->write(result, 2); 102fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 103fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 104fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotinline void WriteUTF16beHex(SkDynamicMemoryWStream* wStream, SkUnichar utf32) { 105fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot uint16_t utf16[2] = {0, 0}; 106fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot size_t len = SkUTF16_FromUnichar(utf32, utf16); 107fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkASSERT(len == 1 || len == 2); 108fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPDFUtils::WriteUInt16BE(wStream, utf16[0]); 109fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if (len == 2) { 110fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPDFUtils::WriteUInt16BE(wStream, utf16[1]); 111fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 112fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 113fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 114fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotinline SkMatrix GetShaderLocalMatrix(const SkShader* shader) { 115fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkMatrix localMatrix; 116fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if (sk_sp<SkShader> s = shader->makeAsALocalMatrixShader(&localMatrix)) { 117fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return SkMatrix::Concat(s->getLocalMatrix(), localMatrix); 118fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 119fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return shader->getLocalMatrix(); 120fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 121fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotbool InverseTransformBBox(const SkMatrix& matrix, SkRect* bbox); 122fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotvoid PopulateTilingPatternDict(SkPDFDict* pattern, 123fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkRect& bbox, 124fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkPDFDict> resources, 125fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const SkMatrix& matrix); 126fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 127fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotbool ToBitmap(const SkImage* img, SkBitmap* dst); 128fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} // namespace SkPDFUtils 129fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 130fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#endif 131