public override void Draw(NVGcontext ctx) { Theme style = this.theme; int ds = style.windowDropShadowSize; int cr = style.windowCornerRadius; int hh = style.windowHeaderHeight; Vector2 pos = this.localPosition; Vector2 size = this.size; NanoVG.nvgSave(ctx); NanoVG.nvgBeginPath(ctx); NanoVG.nvgRoundedRect(ctx, pos.X, pos.Y, size.X, size.Y, cr); NanoVG.nvgFillColor(ctx, this.mouseFocus ? style.windowFillFocusedColor : style.windowFillUnfocusedColor); NanoVG.nvgFill(ctx); NVGpaint shadowPaint = NanoVG.nvgBoxGradient(ctx , pos.X, pos.Y, size.X, size.Y , cr * 2, ds * 2 , style.dropShadowColor , style.transparentColor); NanoVG.nvgBeginPath(ctx); NanoVG.nvgRect(ctx, pos.X - ds, pos.Y - ds, size.X + 2 * ds, size.Y + 2 * ds); NanoVG.nvgRoundedRect(ctx, pos.X, pos.Y, size.X, size.Y, cr); NanoVG.nvgPathWinding(ctx, (int)NVGsolidity.NVG_HOLE); NanoVG.nvgFillPaint(ctx, shadowPaint); NanoVG.nvgFill(ctx); // draw header. if (!string.IsNullOrEmpty(this.title)) { NVGpaint headerPaint = NanoVG.nvgLinearGradient( ctx , pos.X, pos.Y, pos.X, pos.Y + hh , style.windowHeaderGradientTopColor , style.windowHeaderGradientBotColor ); NanoVG.nvgBeginPath(ctx); NanoVG.nvgRoundedRect(ctx, pos.X, pos.Y, size.X, hh, cr); NanoVG.nvgFillPaint(ctx, headerPaint); NanoVG.nvgFill(ctx); NanoVG.nvgBeginPath(ctx); NanoVG.nvgRoundedRect(ctx, pos.X, pos.Y, size.X, hh, cr); NanoVG.nvgStrokeColor(ctx, style.windowHeaderSepTopColor); NanoVG.nvgSave(ctx); NanoVG.nvgIntersectScissor(ctx, pos.X, pos.Y, size.X, 0.5f); NanoVG.nvgStroke(ctx); NanoVG.nvgResetScissor(ctx); NanoVG.nvgRestore(ctx); NanoVG.nvgBeginPath(ctx); NanoVG.nvgMoveTo(ctx, pos.X + 0.5f, pos.Y + hh - 1.5f); NanoVG.nvgLineTo(ctx, pos.X + size.X - 0.5f, pos.Y + hh - 1.5f); NanoVG.nvgStrokeColor(ctx, style.windowHeaderSepBotColor); NanoVG.nvgStroke(ctx); NanoVG.nvgFontSize(ctx, style.standardFontSize + 2f); NanoVG.nvgFontFace(ctx, style.fontBold); NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_CENTER | NVGalign.NVG_ALIGN_MIDDLE)); Vector2 headerTextPos; headerTextPos.X = pos.X + size.X * 0.5f; headerTextPos.Y = pos.Y + hh * 0.5f; NanoVG.nvgFontBlur(ctx, 2f); NanoVG.nvgFillColor(ctx, style.dropShadowColor); NanoVG.nvgText(ctx, headerTextPos.X, headerTextPos.Y, this.title); NanoVG.nvgFontBlur(ctx, 0f); NanoVG.nvgFillColor(ctx, this.focused ? style.windowTitleFocusedColor : style.windowTitleUnfocusedColor); NanoVG.nvgText(ctx, headerTextPos.X, headerTextPos.Y - 1f, this.title); } NanoVG.nvgRestore(ctx); base.Draw(ctx); }
public override void Draw(NVGcontext ctx) { base.Draw(ctx); Theme style = this.theme; NVGcolor gradTopColor = style.buttonGradientTopUnfocusedColor; NVGcolor gradBotColor = style.buttonGradientBotUnfocusedColor; if (this.pushed) { gradTopColor = style.buttonGradientTopPushedColor; gradBotColor = style.buttonGradientBotPushedColor; } else { gradTopColor = style.buttonGradientTopFocusedColor; gradBotColor = style.buttonGradientBotFocusedColor; } Vector2 pos = this.localPosition; Vector2 size = this.size; NanoVG.nvgBeginPath(ctx); NanoVG.nvgRoundedRect(ctx, pos.X + 1f, pos.Y + 1f, size.X - 2f, size.Y - 2f , style.buttonCornerRadius - 1f); NanoVG.nvgFillColor(ctx, gradTopColor); NanoVG.nvgFill(ctx); if (0f < this.backgroundColor.a) { // fill background. } NVGpaint gradient = NanoVG.nvgLinearGradient(ctx, pos.X, pos.Y, pos.X, pos.Y + size.Y , gradTopColor, gradBotColor); NanoVG.nvgFillPaint(ctx, gradient); NanoVG.nvgFill(ctx); NanoVG.nvgBeginPath(ctx); NanoVG.nvgStrokeWidth(ctx, 1f); NanoVG.nvgRoundedRect(ctx, pos.X + 0.5f, pos.Y + (this.pushed ? 0.5f : 1.5f) , size.X - 1f, size.Y - 1 - (this.pushed ? 0f : 1f) , style.buttonCornerRadius); NanoVG.nvgStrokeColor(ctx, style.borderLightColor); NanoVG.nvgStroke(ctx); NanoVG.nvgBeginPath(ctx); NanoVG.nvgRoundedRect(ctx, pos.X + 0.5f, pos.Y + 0.5f , size.X - 1f, size.Y - 2f , style.buttonCornerRadius); NanoVG.nvgStrokeColor(ctx, style.borderDarkColor); NanoVG.nvgStroke(ctx); int currFontSize = 0 > this.fontSize ? style.buttonFontSize : this.fontSize; NanoVG.nvgFontSize(ctx, currFontSize); NanoVG.nvgFontFace(ctx, style.fontBold); float tw = NanoVG.nvgTextBounds(ctx, 0f, 0f, this.caption, null); Vector2 center = pos + size * 0.5f; Vector2 textPos = new Vector2(center.X - tw * 0.5f, center.Y - 1f); NVGcolor currTextColor = GetCurrTextColor(); int btnIcon = this.icon; if (0 != btnIcon) { float iw, ih; iw = 0f; ih = currFontSize; byte[] icon = Fonts.GetIconUTF8(btnIcon); if (NanoVG.nvgIsFontIcon(btnIcon)) { ih *= 1.5f; NanoVG.nvgFontSize(ctx, ih); NanoVG.nvgFontFace(ctx, style.fontIcons); iw = NanoVG.nvgTextBounds(ctx, 0, 0, icon, null); } else { int w, h; w = h = 1; ih *= 0.9f; NanoVG.nvgImageSize(ctx, btnIcon, ref w, ref h); if (0 < h) { iw = w * ih / h; } } if (!string.IsNullOrEmpty(this.caption)) { iw += size.Y * 0.15f; } NanoVG.nvgFillColor(ctx, currTextColor); NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_LEFT | NVGalign.NVG_ALIGN_MIDDLE)); Vector2 iconPos = center; iconPos.Y -= 1f; switch (this.iconAnchorType) { case IconAnchorType.LeftCentered: { iconPos.X -= (tw + iw) * 0.5f; textPos.X += iw * 0.5f; } break; case IconAnchorType.RightCentered: { textPos.X -= iw * 0.5f; iconPos.X += tw * 0.5f; } break; case IconAnchorType.Left: { iconPos.X = pos.X + 8f; } break; case IconAnchorType.Right: { iconPos.X = pos.X + size.X - iw - 8f; } break; default: break; } if (NanoVG.nvgIsFontIcon(btnIcon)) { // NOTE: icon rendering bug, any unicode > 0x10000 not being rendered correctly. // e.g. 0x1F680 (Font.Entypo.ICON_ROCKET). NanoVG.nvgText(ctx, iconPos.X, iconPos.Y + 1f, icon); } else { float imgAlpha = this.enabled ? 0.5f : 0.25f; NVGpaint imgPaint = NanoVG.nvgImagePattern( ctx , iconPos.X, iconPos.Y - ih * 0.5f, iw, ih , 0f, btnIcon, imgAlpha); NanoVG.nvgFillPaint(ctx, imgPaint); NanoVG.nvgFill(ctx); } // DEBUG: ICON BOUNDS //NanoVG.nvgStrokeWidth (ctx, 1.0f); //NanoVG.nvgBeginPath (ctx); //NanoVG.nvgRect (ctx, iconPos.X, iconPos.Y - ih * 0.5f, iw, ih); //NanoVG.nvgStrokeColor (ctx, textColor); //NanoVG.nvgStroke(ctx); } NanoVG.nvgFontSize(ctx, currFontSize); NanoVG.nvgFontFace(ctx, style.fontBold); NanoVG.nvgTextAlign(ctx, (int)(NVGalign.NVG_ALIGN_LEFT | NVGalign.NVG_ALIGN_MIDDLE)); NanoVG.nvgFillColor(ctx, style.textShadowColor); NanoVG.nvgText(ctx, textPos.X, textPos.Y, this.caption); NanoVG.nvgFillColor(ctx, currTextColor); NanoVG.nvgText(ctx, textPos.X, textPos.Y + 1f, this.caption); }