C++ (Cpp) LineUtils_ProcessLine Examples

Example #1

File: DrawPath.c Project: AllenWeb/openjdk-1

static void processLine(DrawHandler* hnd,
                        jint x0, jint y0, jint x1, jint y1)
{
    LineUtils_ProcessLine(DHND(hnd)->pRasInfo,
                          DHND(hnd)->pixel,
                          DHND(hnd)->pPrim->funcs.drawline,
                          DHND(hnd)->pPrim,
                          DHND(hnd)->pCompInfo,
                          x0, y0, x1, y1, 0);
}

Example #2

File: DrawPolygons.c Project: fatman2021/myforthprocessor

static void
ProcessPoly(SurfaceDataRasInfo *pRasInfo,
	    DrawLineFunc *pLine, 
            NativePrimitive *pPrim,
            CompositeInfo *pCompInfo, 
            jint pixel, jint transX, jint transY,
	    jint *xPointsPtr, jint *yPointsPtr,
	    jint *nPointsPtr, jint numPolys,
	    jboolean close)
{
    int i;
    for (i = 0; i < numPolys; i++) {
	jint numPts = nPointsPtr[i];
	if (numPts > 1) {
	    jint x0, y0, x1, y1;
	    jboolean empty = JNI_TRUE;
	    x0 = x1 = transX + *xPointsPtr++;
	    y0 = y1 = transY + *yPointsPtr++;
	    while (--numPts > 0) {
		jint x2 = transX + *xPointsPtr++;
		jint y2 = transY + *yPointsPtr++;
		empty = (empty && x1 == x2 && y1 == y2);
		LineUtils_ProcessLine(pRasInfo, pixel, pLine, 
				      pPrim, pCompInfo,
				      x1, y1, x2, y2,
				      (numPts > 1 || close));
		x1 = x2;
		y1 = y2;
	    }
	    if (close && (empty || x1 != x0 || y1 != y0)) {
		LineUtils_ProcessLine(pRasInfo, pixel, pLine, 
				      pPrim, pCompInfo,
				      x1, y1, x0, y0, !empty);
	    }
	} else if (numPts == 1) {
	    xPointsPtr++;
	    yPointsPtr++;
	}
    }
}