haiku/headers/private/interface/PictureDataWriter.h
Stefano Ceccherini 140334f858 Added error checking using exceptions
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21112 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-05-12 08:46:56 +00:00

79 lines
2.6 KiB
C++

/*
* Copyright 2006, Haiku Inc.
* Distributed under the terms of the MIT License.
*
* Authors:
* Stefano Ceccherini (burton666@libero.it)
*/
#ifndef __PICTUREDATAWRITER_H
#define __PICTUREDATAWRITER_H
#include <InterfaceDefs.h>
#include <Font.h>
#include <OS.h>
#include <stack>
class BPositionIO;
class PictureDataWriter {
public:
PictureDataWriter();
PictureDataWriter(BPositionIO *data);
status_t SetTo(BPositionIO *data);
status_t WriteSetOrigin(const BPoint &point);
status_t WriteInvertRect(const BRect &rect);
status_t WriteSetDrawingMode(const drawing_mode &mode);
status_t WriteSetPenSize(const float &penSize);
status_t WriteSetLineMode(const cap_mode &cap, const join_mode &join, const float &miterLimit);
status_t WriteSetScale(const float &scale);
status_t WriteDrawRect(const BRect &rect, const bool &fill);
status_t WriteDrawRoundRect(const BRect &rect, const BPoint &radius, const bool &fill);
status_t WriteDrawEllipse(const BRect &rect, const bool &fill);
status_t WriteDrawArc(const BPoint &center, const BPoint &radius,
const float &startTheta, const float &arcTheta, const bool &fill);
status_t WriteStrokeLine(const BPoint &start, const BPoint &end);
status_t WriteSetHighColor(const rgb_color &color);
status_t WriteSetLowColor(const rgb_color &color);
status_t WriteDrawString(const BPoint &where, const char *string,
const int32 &length, const escapement_delta &delta);
status_t WriteDrawShape(const int32 &opCount, const void *opList,
const int32 &ptCount, const void *ptList, const bool &fill);
status_t WriteDrawBitmap(const BRect &srcRect, const BRect &dstRect, const int32 &width, const int32 &height,
const int32 &bytesPerRow, const int32 &colorSpace, const int32 &flags,
const void *data, const int32 &length);
status_t WriteSetFontFamily(const font_family &family);
status_t WriteSetFontStyle(const font_style &style);
status_t WriteSetFontSpacing(const int32 &spacing);
status_t WriteSetFontSize(const float &size);
status_t WriteSetFontRotation(const float &rotation);
status_t WriteSetFontEncoding(const int32 &encoding);
status_t WriteSetFontFlags(const int32 &flags);
status_t WriteSetFontShear(const int32 &shear);
status_t WriteSetFontFace(const int32 &face);
status_t WritePushState();
status_t WritePopState();
protected:
// throw a status_t on error
void BeginOp(const int16 &op);
void EndOp();
void WriteData(const void *data, size_t size);
template <typename T> void Write(const T &data) { WriteData(&data, sizeof(data)); }
private:
BPositionIO *fData;
std::stack<off_t> fStack;
};
#endif // __PICTUREDATAWRITER_H