xna - reading , zoom and move images like remote sensing image (e.g jpg,tiff,img) by managed DX -


excuse me,my english poor try describe questions clearly. first want operate (read,zoom,move,zoom rectangle) image format jpg,tiff , img . have try gdal,using rasterio zoom , move ,but result quite strange.it's slow gdi+.i have asked other people,however ,the answer may rasterio read image direct hard disk, gdi+ things in ram. , maybe images operated small images ,small 4000*3000. operate images in gdi+.but think if can same things in directx? mean use directx instead gdi+.because think more fast. , because can use c#,so think there people give me suggestion managed dx or xna thx~~~

if if understood question, trying build simple image viewer. if can xna , work fast.

all need load image , display screen, pan , zoom simple.

read tutorial : http://rbwhitaker.wikidot.com/spritebatch-basics


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