1 /* 2 * Copyright 2006-2007, Haiku Inc. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Stefano Ceccherini (burton666@libero.it) 7 */ 8 #ifndef _PICTURE_DATA_WRITER_H 9 #define _PICTURE_DATA_WRITER_H 10 11 12 #include <InterfaceDefs.h> 13 #include <Font.h> 14 #include <OS.h> 15 16 #include <stack> 17 18 class BPositionIO; 19 class BRegion; 20 21 22 class PictureDataWriter { 23 public: 24 PictureDataWriter(); 25 PictureDataWriter(BPositionIO *data); 26 27 status_t SetTo(BPositionIO *data); 28 29 status_t WriteSetHighColor(const rgb_color &color); 30 status_t WriteSetLowColor(const rgb_color &color); 31 status_t WriteSetOrigin(const BPoint &point); 32 status_t WriteSetDrawingMode(const drawing_mode &mode); 33 status_t WriteSetPenLocation(const BPoint &point); 34 status_t WriteSetPenSize(const float &penSize); 35 status_t WriteSetLineMode(const cap_mode &cap, const join_mode &join, const float &miterLimit); 36 status_t WriteSetScale(const float &scale); 37 status_t WriteSetPattern(const pattern &pat); 38 status_t WriteSetClipping(/*const */BRegion ®ion); 39 status_t WriteClearClipping(); 40 41 status_t WritePushState(); 42 status_t WritePopState(); 43 44 status_t WriteSetFontFamily(const font_family family); 45 status_t WriteSetFontStyle(const font_style style); 46 status_t WriteSetFontSpacing(const int32 &spacing); 47 status_t WriteSetFontSize(const float &size); 48 status_t WriteSetFontRotation(const float &rotation); 49 status_t WriteSetFontEncoding(const int32 &encoding); 50 status_t WriteSetFontFlags(const int32 &flags); 51 status_t WriteSetFontShear(const float &shear); 52 status_t WriteSetFontFace(const int32 &face); 53 54 status_t WriteStrokeLine(const BPoint &start, const BPoint &end); 55 status_t WriteInvertRect(const BRect &rect); 56 status_t WriteDrawRect(const BRect &rect, const bool &fill); 57 status_t WriteDrawRoundRect(const BRect &rect, const BPoint &radius, const bool &fill); 58 status_t WriteDrawEllipse(const BRect &rect, const bool &fill); 59 status_t WriteDrawArc(const BPoint ¢er, const BPoint &radius, 60 const float &startTheta, const float &arcTheta, const bool &fill); 61 status_t WriteDrawPolygon(const int32 &numPoints, BPoint *points, 62 const bool &isClosed, const bool &fill); 63 status_t WriteDrawBezier(const BPoint points[4], const bool &fill); 64 status_t WriteDrawString(const BPoint &where, const char *string, 65 const int32 &length, const escapement_delta &delta); 66 status_t WriteDrawShape(const int32 &opCount, const void *opList, 67 const int32 &ptCount, const void *ptList, const bool &fill); 68 status_t WriteDrawBitmap(const BRect &srcRect, const BRect &dstRect, const int32 &width, const int32 &height, 69 const int32 &bytesPerRow, const int32 &colorSpace, const int32 &flags, 70 const void *data, const int32 &length); 71 72 status_t WriteDrawPicture(const BPoint &where, const int32 &token); 73 74 protected: 75 // throw a status_t on error 76 void BeginOp(const int16 &op); 77 void EndOp(); 78 void WriteData(const void *data, size_t size); 79 template <typename T> void Write(const T &data) { WriteData(&data, sizeof(data)); } 80 81 private: 82 BPositionIO *fData; 83 std::stack<off_t> fStack; 84 }; 85 86 #endif // _PICTURE_DATA_WRITER_H 87