* Copyright 2006-2018 Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Stefano Ceccherini, burton666@libero.it
* Julian Harnath, <julian.harnath@rwth-achen.de>
* Stephan Aßmus <superstippi@gmx.de>
*/
#ifndef _PICTURE_DATA_WRITER_H
#define _PICTURE_DATA_WRITER_H
#include <AffineTransform.h>
#include <InterfaceDefs.h>
#include <Font.h>
#include <OS.h>
#include <stack>
class Layer;
class BGradient;
class BPositionIO;
class BRegion;
class PictureDataWriter {
public:
PictureDataWriter();
PictureDataWriter(BPositionIO* data);
virtual ~PictureDataWriter();
status_t SetTo(BPositionIO* data);
status_t WriteSetHighColor(const rgb_color& color);
status_t WriteSetLowColor(const rgb_color& color);
status_t WriteSetOrigin(const BPoint& point);
status_t WriteSetDrawingMode(const drawing_mode& mode);
status_t WriteSetPenLocation(const BPoint& point);
status_t WriteSetPenSize(const float& penSize);
status_t WriteSetLineMode(const cap_mode& cap,
const join_mode& join,
const float& miterLimit);
status_t WriteSetFillRule(int32 fillRule);
status_t WriteSetBlendingMode(source_alpha srcAlpha,
alpha_function alphaFunc);
status_t WriteSetScale(const float& scale);
status_t WriteSetTransform(BAffineTransform transform);
status_t WriteTranslateBy(double x, double y);
status_t WriteScaleBy(double x, double y);
status_t WriteRotateBy(double angleRadians);
status_t WriteSetPattern(const ::pattern& pattern);
status_t WriteClipToPicture(int32 pictureToken,
const BPoint& origin, bool inverse);
status_t WriteSetClipping(const BRegion& region);
status_t WriteClearClipping();
status_t WritePushState();
status_t WritePopState();
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 float& shear);
status_t WriteSetFontFace(const int32& face);
status_t WriteStrokeLine(const BPoint& start,
const BPoint& end);
status_t WriteInvertRect(const BRect& rect);
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 WriteDrawPolygon(const int32& numPoints,
BPoint* points, const bool& isClosed,
const bool& fill);
status_t WriteDrawBezier(const BPoint points[4],
const bool& fill);
status_t WriteDrawString(const BPoint& where,
const char* string, const int32& length,
const escapement_delta& delta);
status_t WriteDrawString(const char* string,
int32 length, const BPoint* locations,
int32 locationCount);
status_t WriteDrawShape(const int32& opCount,
const void* opList, const int32& ptCount,
const void* ptList, const bool& fill);
status_t WriteDrawRectGradient(const BRect& rect, const BGradient& gradient,
const bool& fill);
status_t WriteDrawRoundRectGradient(const BRect& rect,
const BPoint& radius, const BGradient& gradient, const bool& fill);
status_t WriteDrawBezierGradient(const BPoint points[4], const BGradient& gradient,
const bool& fill);
status_t WriteDrawArcGradient(const BPoint& center,
const BPoint& radius,
const float& startTheta,
const float& arcTheta, const BGradient& gradient, const bool& fill);
status_t WriteDrawEllipseGradient(const BRect& rect, const BGradient& gradient,
const bool& fill);
status_t WriteDrawPolygonGradient(const int32& numPoints,
BPoint* points, const bool& isClosed, const BGradient& gradient,
const bool& fill);
status_t WriteDrawShapeGradient(const int32& opCount,
const void* opList, const int32& ptCount,
const void* ptList, const BGradient& gradient, 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 WriteDrawPicture(const BPoint& where,
const int32& token);
status_t WriteBlendLayer(Layer* layer);
status_t WriteClipToRect(const BRect& rect,
bool inverse);
status_t WriteClipToShape(int32 opCount,
const void* opList, int32 ptCount,
const void* ptList, bool inverse);
protected:
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
