st/x.c.rej

diff a/x.c b/x.c	(rejected hunks)
@@ -1461,8 +1514,357 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 
 	/* Render underline and strikethrough. */
 	if (base.mode & ATTR_UNDERLINE) {
-		XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
-				width, 1);
		// Underline Color
		const int widthThreshold  = 28; // +1 width every widthThreshold px of font
		int wlw = (win.ch / widthThreshold) + 1; // Wave Line Width
		int linecolor;
		if ((base.ucolor[0] >= 0) &&
			!(base.mode & ATTR_BLINK && win.mode & MODE_BLINK) &&
			!(base.mode & ATTR_INVISIBLE)
		) {
			// Special color for underline
			// Index
			if (base.ucolor[1] < 0) {
				linecolor = dc.col[base.ucolor[0]].pixel;
			}
			// RGB
			else {
				XColor lcolor;
				lcolor.red = base.ucolor[0] * 257;
				lcolor.green = base.ucolor[1] * 257;
				lcolor.blue = base.ucolor[2] * 257;
				lcolor.flags = DoRed | DoGreen | DoBlue;
				XAllocColor(xw.dpy, xw.cmap, &lcolor);
				linecolor = lcolor.pixel;
			}
		} else {
			// Foreground color for underline
			linecolor = fg->pixel;
		}

		XGCValues ugcv = {
			.foreground = linecolor,
			.line_width = wlw,
			.line_style = LineSolid,
			.cap_style = CapNotLast
		};

		GC ugc = XCreateGC(xw.dpy, XftDrawDrawable(xw.draw),
			GCForeground | GCLineWidth | GCLineStyle | GCCapStyle,
			&ugcv);

		// Underline Style
		if (base.ustyle != 3) {
			//XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, width, 1);
			XFillRectangle(xw.dpy, XftDrawDrawable(xw.draw), ugc, winx,
				winy + dc.font.ascent + 1, width, wlw);
		} else if (base.ustyle == 3) {
			int ww = win.cw;//width;
			int wh = dc.font.descent - wlw/2 - 1;//r.height/7;
			int wx = winx;
			int wy = winy + win.ch - dc.font.descent;

#if UNDERCURL_STYLE == UNDERCURL_CURLY
			// Draw waves
			int narcs = charlen * 2 + 1;
			XArc *arcs = xmalloc(sizeof(XArc) * narcs);

			int i = 0;
			for (i = 0; i < charlen-1; i++) {
				arcs[i*2] = (XArc) {
					.x = wx + win.cw * i + ww / 4,
					.y = wy,
					.width = win.cw / 2,
					.height = wh,
					.angle1 = 0,
					.angle2 = 180 * 64
				};
				arcs[i*2+1] = (XArc) {
					.x = wx + win.cw * i + ww * 0.75,
					.y = wy,
					.width = win.cw/2,
					.height = wh,
					.angle1 = 180 * 64,
					.angle2 = 180 * 64
				};
			}
			// Last wave
			arcs[i*2] = (XArc) {wx + ww * i + ww / 4, wy, ww / 2, wh,
			0, 180 * 64 };
			// Last wave tail
			arcs[i*2+1] = (XArc) {wx + ww * i + ww * 0.75, wy, ceil(ww / 2.),
			wh, 180 * 64, 90 * 64};
			// First wave tail
			i++;
			arcs[i*2] = (XArc) {wx - ww/4 - 1, wy, ceil(ww / 2.), wh, 270 * 64,
			90 * 64 };

			XDrawArcs(xw.dpy, XftDrawDrawable(xw.draw), ugc, arcs, narcs);

			free(arcs);
#elif UNDERCURL_STYLE == UNDERCURL_SPIKY
			// Make the underline corridor larger
			/*
			wy -= wh;
			*/
			wh *= 2;

			// Set the angle of the slope to 45°
			ww = wh;

			// Position of wave is independent of word, it's absolute
			wx = (wx / (ww/2)) * (ww/2);

			int marginStart = winx - wx;

			// Calculate number of points with floating precision
			float n = width;					// Width of word in pixels
			n = (n / ww) * 2;					// Number of slopes (/ or \)
			n += 2;								// Add two last points
			int npoints = n;					// Convert to int

			// Total length of underline
			float waveLength = 0;

			if (npoints >= 3) {
				// We add an aditional slot in case we use a bonus point
				XPoint *points = xmalloc(sizeof(XPoint) * (npoints + 1));

				// First point (Starts with the word bounds)
				points[0] = (XPoint) {
					.x = wx + marginStart,
					.y = (isSlopeRising(wx, 0, ww))
						? (wy - marginStart + ww/2.f)
						: (wy + marginStart)
				};

				// Second point (Goes back to the absolute point coordinates)
				points[1] = (XPoint) {
					.x = (ww/2.f) - marginStart,
					.y = (isSlopeRising(wx, 1, ww))
						? (ww/2.f - marginStart)
						: (-ww/2.f + marginStart)
				};
				waveLength += (ww/2.f) - marginStart;

				// The rest of the points
				for (int i = 2; i < npoints-1; i++) {
					points[i] = (XPoint) {
						.x = ww/2,
						.y = (isSlopeRising(wx, i, ww))
							? wh/2
							: -wh/2
					};
					waveLength += ww/2;
				}

				// Last point
				points[npoints-1] = (XPoint) {
					.x = ww/2,
					.y = (isSlopeRising(wx, npoints-1, ww))
						? wh/2
						: -wh/2
				};
				waveLength += ww/2;

				// End
				if (waveLength < width) { // Add a bonus point?
					int marginEnd = width - waveLength;
					points[npoints] = (XPoint) {
						.x = marginEnd,
						.y = (isSlopeRising(wx, npoints, ww))
							? (marginEnd)
							: (-marginEnd)
					};

					npoints++;
				} else if (waveLength > width) { // Is last point too far?
					int marginEnd = waveLength - width;
					points[npoints-1].x -= marginEnd;
					if (isSlopeRising(wx, npoints-1, ww))
						points[npoints-1].y -= (marginEnd);
					else
						points[npoints-1].y += (marginEnd);
				}

				// Draw the lines
				XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, npoints,
						CoordModePrevious);

				// Draw a second underline with an offset of 1 pixel
				if ( ((win.ch / (widthThreshold/2)) % 2)) {
					points[0].x++;

					XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points,
							npoints, CoordModePrevious);
				}

				// Free resources
				free(points);
			}
#else // UNDERCURL_CAPPED
			// Cap is half of wave width
			float capRatio = 0.5f;

			// Make the underline corridor larger
			wh *= 2;

			// Set the angle of the slope to 45°
			ww = wh;
			ww *= 1 + capRatio; // Add a bit of width for the cap

			// Position of wave is independent of word, it's absolute
			wx = (wx / ww) * ww;

			float marginStart;
			switch(getSlope(winx, 0, ww)) {
				case UNDERCURL_SLOPE_ASCENDING:
					marginStart = winx - wx;
					break;
				case UNDERCURL_SLOPE_TOP_CAP:
					marginStart = winx - (wx + (ww * (2.f/6.f)));
					break;
				case UNDERCURL_SLOPE_DESCENDING:
					marginStart = winx - (wx + (ww * (3.f/6.f)));
					break;
				case UNDERCURL_SLOPE_BOTTOM_CAP:
					marginStart = winx - (wx + (ww * (5.f/6.f)));
					break;
			}

			// Calculate number of points with floating precision
			float n = width;					// Width of word in pixels
												//					   ._.
			n = (n / ww) * 4;					// Number of points (./   \.)
			n += 2;								// Add two last points
			int npoints = n;					// Convert to int

			// Position of the pen to draw the lines
			float penX = 0;
			float penY = 0;

			if (npoints >= 3) {
				XPoint *points = xmalloc(sizeof(XPoint) * (npoints + 1));

				// First point (Starts with the word bounds)
				penX = winx;
				switch (getSlope(winx, 0, ww)) {
					case UNDERCURL_SLOPE_ASCENDING:
						penY = wy + wh/2.f - marginStart;
						break;
					case UNDERCURL_SLOPE_TOP_CAP:
						penY = wy;
						break;
					case UNDERCURL_SLOPE_DESCENDING:
						penY = wy + marginStart;
						break;
					case UNDERCURL_SLOPE_BOTTOM_CAP:
						penY = wy + wh/2.f;
						break;
				}
				points[0].x = penX;
				points[0].y = penY;

				// Second point (Goes back to the absolute point coordinates)
				switch (getSlope(winx, 1, ww)) {
					case UNDERCURL_SLOPE_ASCENDING:
						penX += ww * (1.f/6.f) - marginStart;
						penY += 0;
						break;
					case UNDERCURL_SLOPE_TOP_CAP:
						penX += ww * (2.f/6.f) - marginStart;
						penY += -wh/2.f + marginStart;
						break;
					case UNDERCURL_SLOPE_DESCENDING:
						penX += ww * (1.f/6.f) - marginStart;
						penY += 0;
						break;
					case UNDERCURL_SLOPE_BOTTOM_CAP:
						penX += ww * (2.f/6.f) - marginStart;
						penY += -marginStart + wh/2.f;
						break;
				}
				points[1].x = penX;
				points[1].y = penY;

				// The rest of the points
				for (int i = 2; i < npoints; i++) {
					switch (getSlope(winx, i, ww)) {
						case UNDERCURL_SLOPE_ASCENDING:
						case UNDERCURL_SLOPE_DESCENDING:
							penX += ww * (1.f/6.f);
							penY += 0;
							break;
						case UNDERCURL_SLOPE_TOP_CAP:
							penX += ww * (2.f/6.f);
							penY += -wh / 2.f;
							break;
						case UNDERCURL_SLOPE_BOTTOM_CAP:
							penX += ww * (2.f/6.f);
							penY += wh / 2.f;
							break;
					}
					points[i].x = penX;
					points[i].y = penY;
				}

				// End
				float waveLength = penX - winx;
				if (waveLength < width) { // Add a bonus point?
					int marginEnd = width - waveLength;
					penX += marginEnd;
					switch(getSlope(winx, npoints, ww)) {
						case UNDERCURL_SLOPE_ASCENDING:
						case UNDERCURL_SLOPE_DESCENDING:
							//penY += 0;
							break;
						case UNDERCURL_SLOPE_TOP_CAP:
							penY += -marginEnd;
							break;
						case UNDERCURL_SLOPE_BOTTOM_CAP:
							penY += marginEnd;
							break;
					}

					points[npoints].x = penX;
					points[npoints].y = penY;

					npoints++;
				} else if (waveLength > width) { // Is last point too far?
					int marginEnd = waveLength - width;
					points[npoints-1].x -= marginEnd;
					switch(getSlope(winx, npoints-1, ww)) {
						case UNDERCURL_SLOPE_TOP_CAP:
							points[npoints-1].y += marginEnd;
							break;
						case UNDERCURL_SLOPE_BOTTOM_CAP:
							points[npoints-1].y -= marginEnd;
							break;
						default:
							break;
					}
				}

				// Draw the lines
				XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points, npoints,
						CoordModeOrigin);

				// Draw a second underline with an offset of 1 pixel
				if ( ((win.ch / (widthThreshold/2)) % 2)) {
					for (int i = 0; i < npoints; i++)
						points[i].x++;

					XDrawLines(xw.dpy, XftDrawDrawable(xw.draw), ugc, points,
							npoints, CoordModeOrigin);
				}

				// Free resources
				free(points);
			}
#endif
		}

		XFreeGC(xw.dpy, ugc);
 	}
 
 	if (base.mode & ATTR_STRUCK) {