ImageMagick“转换”实用Magick ++等价? [英] ImageMagick "convert" utility Magick++ equivalent?
问题描述
很抱歉,如果标题没有任何意义。
Sorry if the title didn't make any sense.
目前,imagemagick转换实用程序上的以下参数非常适合我的需要。我想带一个.svg文件,把它变大并把它写成一个png文件。
Currently, the following parameters on the imagemagick convert utility are perfect for what I need. I'm tring to take an .svg file, make it larger and write it as a png file.
convert -density 36 home.svg home_1.png
不幸的是,我需要使用Magick ++(C ++接口/ API for ImageMagick),但我似乎无法在Magick ++中获得相同的操作。
Unfortunately, I need to be using Magick++ (the C++ Interface/API for ImageMagick), but I can't seem to get the equivalent operation in Magick++.
是否有任何ImageMagick专业人员可以帮助我解决这个问题?
Are there any ImageMagick pros that would be able to help me out on this?
我目前的代码是:
image.density(Geometry(36,36));
image.read( "Character.svg" );
image.write( "xx.png" );
我试过移动 image.density()
部分,但我的形象永远不会改变。它只是栅格化并保存为png。
I've tried moving the image.density()
part around, but my image is never changes. It's simply rasterized and saved as a png.
推荐答案
我不是ImageMagick专业版,但是当我尝试这段代码时:
I'm no ImageMagick pro, but when I tried this code:
#include <Magick++.h>
int main(int argc, char **argv) {
Magick::Image img;
img.density(Magick::Geometry(36,36));
img.read(argv[1]);
img.write(argv[2]);
img.density(Magick::Geometry(72,72));
img.read(argv[1]);
img.write(argv[3]);
}
此SVG文件,例如:
$ ./resize example.svg out_small.png out_large.png
...文件 out_small.png
为300x300像素,而 out_large.png
为600x600像素。
...the file out_small.png
was 300x300 pixels, whereas out_large.png
was 600x600 pixels.
这是在Windows 7上通过cygwin。
This was on Windows 7 via cygwin.
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