我正在尝试通过保持纵横比来调整图像大小。它应该足够大,以填满屏幕,没有空白的地方,如果必要,一些图像应该超出屏幕。
下面的图像显示了黄色图像应基于黑色屏幕大小调整的方式。
这是我实际使用的代码,是否有更好的方法?
if(bwidth > bheight) {
if(bwidth > swidth && bheight > sheight) {
new_height = sheight;
new_width = (int) ((double) (bwidth/100)*(sheight/((double) (bheight)/100)));
} else if(bwidth > swidth && bheight < sheight) {
new_height = sheight;
new_width = (int) ((double) (bwidth/100)*(sheight/((double) (bheight)/100)));
} else if(bwidth < swidth && bheight < sheight) {
new_height = sheight;
new_width = (int) ((double) (bwidth/100)*(sheight/((double) (bheight)/100)));
} else if(bwidth < swidth && bheight > sheight) {
new_height = sheight;
new_width = (int) ((double) (bwidth/100)*(sheight/((double) (bheight)/100)));
} else if(bwidth >= swidth && bheight >= sheight) {
new_width = swidth;
new_height = (int) ((double) (bheight/100)*(swidth/((double) (bwidth)/100)));
}
} else if(bwidth < bheight) {
if(bwidth > swidth && bheight > sheight) {
new_width = swidth;
new_height = (int) ((double) (bheight/100)*(swidth/((double) (bwidth)/100)));
} else if(bwidth < swidth && bheight > sheight) {
new_width = swidth;
new_height = (int) ((double) (bheight/100)*(swidth/((double) (bwidth)/100)));
} else if(bwidth < swidth && bheight < sheight) {
new_width = swidth;
new_height = (int) ((double) (bheight/100)*(swidth/((double) (bwidth)/100)));
} else if(bwidth < swidth && bheight < sheight) {
new_width = swidth;
new_height = (int) ((double) (bheight/100)*(swidth/((double) (bwidth)/100)));
} else if(bwidth >= swidth && bheight >= sheight) {
new_width = swidth;
new_height = (int) ((double) (bheight/100)*(swidth/((double) (bwidth)/100)));
}
}
- swidth = 屏幕宽度
- sheight = 屏幕高度
- bwidth = 图片宽度
- bheight = 图片高度