/*
* Class: org_libharu_PdfPage
* Method: arc
* Signature: (FFFFF)V
*/
JNIEXPORT void JNICALL
Java_org_libharu_PdfPage_arc(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat radius,
jfloat startAngle, jfloat endAngle) {
jint page;
/* Get mHPDFPagePointer */
page = (*env)->GetIntField(env, obj, mHPDFPagePointer);
HPDF_Page_Arc((HPDF_Page) page, (HPDF_REAL) x, (HPDF_REAL) y, (HPDF_REAL) radius,
(HPDF_REAL) startAngle, (HPDF_REAL) endAngle);
}
void WPdfImage::drawArc(const WRectF& rect, double startAngle, double spanAngle)
{
HPDF_Page_GSave(page_);
HPDF_Page_Concat(page_, 1, 0, 0, rect.height() / rect.width(),
rect.center().x(), rect.center().y());
double start = startAngle;
double end = start + spanAngle;
if (end < start)
std::swap(start, end);
HPDF_Page_Arc(page_, 0, 0, rect.width()/1, start + 90, end + 90);
paintPath();
HPDF_Page_GRestore(page_);
}
bool pdf_plot_arc(int x, int y, int radius, int angle1, int angle2, const plot_style_t *style)
{
#ifdef PDF_DEBUG
LOG(("%d %d %d %d %d %X", x, y, radius, angle1, angle2, style->stroke_colour));
#endif
/* FIXME: line width 1 is ok ? */
apply_clip_and_mode(false, NS_TRANSPARENT, style->fill_colour, 1., DashPattern_eNone);
/* Normalize angles */
angle1 %= 360;
angle2 %= 360;
if (angle1 > angle2)
angle1 -= 360;
HPDF_Page_Arc(pdf_page, x, page_height - y, radius, angle1, angle2);
HPDF_Page_Stroke(pdf_page);
return true;
}
void WPdfImage::drawPlainPath(const WPainterPath& path)
{
if (path.isEmpty())
return;
const std::vector<WPainterPath::Segment>& segments = path.segments();
if (segments.size() > 0
&& segments[0].type() != SegmentType::MoveTo)
HPDF_Page_MoveTo(page_, 0, 0);
for (unsigned i = 0; i < segments.size(); ++i) {
const WPainterPath::Segment s = segments[i];
switch (s.type()) {
case SegmentType::MoveTo:
HPDF_Page_MoveTo(page_, s.x(), s.y());
break;
case SegmentType::LineTo:
HPDF_Page_LineTo(page_, s.x(), s.y());
break;
case SegmentType::CubicC1: {
const double x1 = s.x();
const double y1 = s.y();
const double x2 = segments[i+1].x();
const double y2 = segments[i+1].y();
const double x3 = segments[i+2].x();
const double y3 = segments[i+2].y();
HPDF_Page_CurveTo(page_, x1, y1, x2, y2, x3, y3);
i += 2;
break;
}
case SegmentType::CubicC2:
case SegmentType::CubicEnd:
assert(false);
case SegmentType::ArcC: {
const double x = s.x();
const double y = s.y();
const double radius = segments[i+1].x();
double ang1 = segments[i+2].x();
double ang2 = ang1 + segments[i+2].y();
HPDF_Page_Arc(page_, x, y, radius, ang1 + 90, ang2 + 90);
i += 2;
break;
}
case SegmentType::ArcR:
case SegmentType::ArcAngleSweep:
assert(false);
case SegmentType::QuadC: {
const double x1 = s.x();
const double y1 = s.y();
const double x2 = segments[i+1].x();
const double y2 = segments[i+1].y();
// or CurveTo3 ?? Are these any different ??
HPDF_Page_CurveTo2(page_, x1, y1, x2, y2);
i += 1;
break;
}
case SegmentType::QuadEnd:
assert(false);
}
}
}
