({ wheelDelta, clientX, clientY }, forceWheenDelta, forceZoomForce)
| 948 | return handled; |
| 949 | } |
| 950 | zoomImage({ wheelDelta, clientX, clientY }, forceWheenDelta, forceZoomForce) { |
| 951 | let whD = wheelDelta; |
| 952 | if (forceWheenDelta !== undefined) { |
| 953 | whD = forceWheenDelta; |
| 954 | } |
| 955 | let minFactor = 1; |
| 956 | if (this.size.w > this.wrapper.documentClientWidth) { |
| 957 | minFactor = Math.min(minFactor, this.wrapper.documentClientWidth / this.size.w); |
| 958 | } |
| 959 | if (this.size.h > this.wrapper.documentClientHeight) { |
| 960 | minFactor = Math.min(minFactor, this.wrapper.documentClientHeight / this.size.h); |
| 961 | } |
| 962 | if (!this.zoom && this.zoomFactor > minFactor) { |
| 963 | this.zoomFactor = minFactor; |
| 964 | } |
| 965 | let zoomForce = 0.2; |
| 966 | if (forceZoomForce !== undefined) { |
| 967 | zoomForce = forceZoomForce; |
| 968 | } |
| 969 | |
| 970 | this.zoomFactor += Math.sign(whD) * zoomForce; |
| 971 | if (this.zoomFactor < minFactor) { |
| 972 | this.zoom = false; |
| 973 | this.zoomFactor = minFactor; |
| 974 | } else { |
| 975 | this.zoom = true; |
| 976 | } |
| 977 | this.adjustSizeFull(); |
| 978 | this.select.adjustPosition(); |
| 979 | if (this.zoom) { |
| 980 | this.scroller.scrollLeft = (this.curCord[0] / this.getScale()) - |
| 981 | (clientX - this.wrapper.documentOffsetLeft); |
| 982 | this.scroller.scrollTop = (this.curCord[1] / this.getScale()) - |
| 983 | (clientY - this.wrapper.documentOffsetTop); |
| 984 | } |
| 985 | } |
| 986 | initEventHandlers() { |
| 987 | this.documentHandlers = { |
| 988 | mousedown: (e) => { |
no test coverage detected