#ifndef _SVGVIEW_VIEW_H
#define _SVGVIEW_VIEW_H
#include <expat.h>
#include <InterfaceKit.h>
#include <SupportKit.h>
#include <TranslationUtils.h>
#include "Matrix.h"
struct named_color {
const char *name;
rgb_color color;
};
struct named_gradient {
const char *name;
rgb_color color;
bool started;
};
enum {
STROKE_FLAG = 0x01,
FILL_FLAG = 0x02,
STROKE_WIDTH_FLAG = 0x04,
LINE_MODE_FLAG = 0x08,
FONT_SIZE_FLAG = 0x10,
MATRIX_FLAG = 0x20,
};
struct _state_ {
_state_() { set_default_values(); }
_state_(_state_ &state) { *this = state; }
void set_default_values()
{
fFlags = 0;
fCurrentColor.red = 0; fCurrentColor.green = 0;
fCurrentColor.blue = 0; fCurrentColor.alpha = 255;
fStrokeColor.red = 0; fStrokeColor.green = 0;
fStrokeColor.blue = 0; fStrokeColor.alpha = 255;
fStroke = false;
fFillColor.red = 0; fFillColor.green = 0;
fFillColor.blue = 0; fFillColor.alpha = 255;
fFill = true;
fStrokeWidth = 1.0f;
fLineCap = B_BUTT_CAP;
fLineJoin = B_MITER_JOIN;
fLineMiterLimit = B_DEFAULT_MITER_LIMIT;
fFontSize = 9.0f;
}
uint32 fFlags;
rgb_color fCurrentColor;
rgb_color fStrokeColor;
bool fStroke;
rgb_color fFillColor;
bool fFill;
float fStrokeWidth;
cap_mode fLineCap;
join_mode fLineJoin;
float fLineMiterLimit;
float fFontSize;
BMatrix fMatrix;
};
class Svg2PictureView : public BView {
public:
Svg2PictureView(BRect frame, const char *fileName);
~Svg2PictureView();
virtual void AttachedToWindow();
virtual void Draw(BRect updateRect);
private:
bool HasAttribute(const XML_Char **attributes, const char *name);
float GetFloatAttribute(const XML_Char **attributes, const char *name);
const char *GetStringAttribute(const XML_Char **attributes, const char *name);
rgb_color GetColorAttribute(const XML_Char **attributes, const char *name, uint8 alpha);
void GetPolygonAttribute(const XML_Char **attributes, const char *name, BShape &shape);
void GetMatrixAttribute(const XML_Char **attributes, const char *name, BMatrix *matrix);
void GetShapeAttribute(const XML_Char **attributes, const char *name, BShape &shape);
void CheckAttributes(const XML_Char **attributes);
void StartElement(const XML_Char *name, const XML_Char **attributes);
void EndElement(const XML_Char *name);
void CharacterDataHandler(const XML_Char *s, int len);
void Push();
void Pop();
static void _StartElement(Svg2PictureView *view, const XML_Char *name, const XML_Char **attributes);
static void _EndElement(Svg2PictureView *view, const XML_Char *name);
static void _CharacterDataHandler(Svg2PictureView *view, const XML_Char *s, int len);
_state_ fState;
BList fStack;
named_gradient *fGradient;
BList fGradients;
BPoint fTextPosition;
BString fText;
BString fFileName;
BPicture *fPicture;
};
#endif
