想在程序中调用TGA格式的图片,显示透明效果,但不能象JPEG格式那样调用,请多多指教啊~~~最好有个小例子,或者解决思路,多谢了~!
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用gdi+吧
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gdi+ 是什么啊~~~~谁给个参考的方法啊 我给分了 出差回来还没答案啊
GraphicEx is open source under the Mozilla Public License (MPL). Please read the license agreement before you start using this library.TIFF images (*.tif; *.tiff), extended base line implementation
byte orders: little endian, big endian
sample sizes: 1, 2, 4, 8, 16 bits per sample
color spaces: indexed, grayscale, RGB(A), CMYK, L*a*b*
compression formats: uncompressed, packed bits, LZW, CCITT T.4 (raw and modified fax group 3, possibly word aligned), ThunderScan, Deflate, new style JPEG
GFI fax images (*.fax), uses TTIFFGraphic to read
sample size: 1 bits per sample
color space: indexed
compression format: CCITT T.4 (raw and modified fax group 3)
SGI images (*.bw, *.rgb, *.rgba, *.sgi)
byte order: big endian
sample sizes: 1, 2, 4, 8, 16 bits per sample
color spaces: indexed, grayscale, RGB(A)
compression formats: uncompressed, RLE
Autodesk images files (*.cel; *.pic) old style only
byte order: little endian
sample size: 8 bits per sample
color spaces: indexed
compression format: uncompressed
Truevision images (*.tga; *.vst; *.icb; *.vda; *.win), write support included
byte order: little endian
sample sizes: 5, 8 bits per sample
color spaces: gray scale, indexed, 15 bits RGB (555), 24 bits RGB(A)(888)
compression formats: uncompressed, RLE
ZSoft Paintbrush images (*.pcx, *.pcc)
byte order: little endian
sample sizes: 1, 2, 4, 8 bits per sample
color spaces: gray scale, indexed, RGB
compression formats: uncompressed, RLE
Word 5.x screen capture files (*.scr)
byte order: little endian
sample sizes: 1, 2, 4, 8 bits per sample
color spaces: indexed, gray scaleRGB
compression formats: uncompressed, RLE
Kodak Photo-CD images (*.pcd)
byte order: little endian
samples size: 8 bits per sample
color space: YCbCr
compression: PCD Huffmann
specials:
sizes: all resolutions, from 192 x 128 up to 6144 x 4096 (64 Base vaporware)
rotated: clockwise and counter-clockwise
Portable pixel/gray map images (*.ppm, *.pgm, *.pbm)
byte order: little endian
sample sizes: 1, 8 bits per sample
color spaces: gray scale, indexed, RGB
compression format: uncompressed
specials:
ASCII and Binary format
Dr. Halo images (*.cut, *.pal)
byte order: little endian
sample size: 8 bits per sample
color spaces: indexed
compression formats: RLE
special:
external palette file (*.pal) is automatically loaded when specified while doing LoadFromStream or when loading the image via LoadFromFile
CompuServe images (*.gif)
byte order: little endian
sample sizes: 1, 4, 8 bits per sample
color spaces: indexed
compression format: LZW
special:
interlaced, non-interlaced
SGI Wavefront images (*.rla, *.rpf)
byte order: big endian
sample size: 8 bits per sample
color space: RGB(A)
compression formats: RLE
Standard Windows bitmap images (*.bmp, *.rle, *.dib), these formats are natively supported by Delphi's VCL but *.rle and *.dib files are not registered with TPicture by default
byte order: little endian
sample sizes: 1, 4, 8 bits per sample
color spaces: indexed, RGB(A)
compression formats: uncompressed, RLE
specials:
OS/2 bitmap format
Photoshop images (*.psd, *.pdd)
byte order: big endian
sample sizes: 1, 8, 16 bits per sample
color spaces: indexed, RGB, CMYK, CIE L*a*b*
compression formats: uncompressed, packed bits
special:
duo tone
Paintshop Pro images (*.psp)
byte order: little endian
sample sizes: 1, 4, 8 bits per sample
color spaces: indexed, gray scale, RGB
compression formats: uncompressed, LZ77
Portable network graphic images (*.png)
byte order: big endian
sample sizes: 1, 2, 4, 8, 16 bits per sample
color spaces: indexed, grayscale (alpha), RGB(A)
compression format: LZ77
specials:
supported chunks: IHDR, IDAT, IEND, PLTE, gAMA, tRNS, bKGD
transparency support partially for RGB, which is stored as 32 bits format