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easier api

This commit is contained in:
Adam D. Ruppe 2013-08-29 22:33:50 -04:00
parent cb59e42aba
commit dea59df01c
1 changed files with 21 additions and 5 deletions
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26
png.d
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@ -1,4 +1,23 @@
module arsd.png;
/// Easily reads a png file into a MemoryImage
MemoryImage readPng(string filename) {
import std.file;
return imageFromPng(readPng(cast(ubyte[]) read(filename)));
}
/// Saves a MemoryImage to a png. See also: writeImageToPngFile which uses memory a little more efficiently
void writePng(string filename, MemoryImage mi) {
// FIXME: it would be nice to write the file lazily so we don't have so many intermediate buffers here
PNG* png;
if(auto p = cast(IndexedImage) mi)
png = pngFromImage(p);
else if(auto p = cast(TrueColorImage) mi)
png = pngFromImage(p);
else assert(0);
std.file.write(filename, writePng(png));
}
/*
//Here's a simple test program that shows how to write a quick image viewer with simpledisplay:
@ -7,11 +26,8 @@ import simpledisplay;
import std.file;
void main(string[] args) {
auto tci = imageFromPng(readPng(cast(ubyte[]) read(args[1]))).getAsTrueColorImage();
auto convertedImage = new simpledisplay.Image(tci.width, tci.height);
convertedImage.setRgbaBytes(tci.imageData.bytes);
displayImage(convertedImage);
auto img = imageFromPng(readPng(cast(ubyte[]) read(args[1])));
displayImage(Image.fromMemoryImage(img));
}
*/