arseiotnarseit

assets/disk0/home/jpdectest.js

@@ -1,3 +1,7 @@
+if (!exec_args[1]) {
+    printerrln("Usage: jpdectest image.jpg")
+}
+
 filesystem.open("A", exec_args[1], "R")
 
 let status = com.getStatusCode(0)
@@ -20,7 +24,8 @@ println(`dim: ${imgw}x${imgh}`)
 println(`converting to displayable format...`)
 
 // convert colour
-graphics.imageToDisplayableFormat(imageData, -1048577, imgw, imgh, 4, 2)
+graphics.setGraphicsMode(0)
+graphics.imageToDisplayableFormat(imageData, -1048577, imgw, imgh, 4, 1)
 
 sys.free(imageData)
 sys.free(infile)

assets/disk0/home/jpdectesthigh.js

@@ -0,0 +1,31 @@
+if (!exec_args[1]) {
+    printerrln("Usage: jpdectesthigh image.jpg")
+}
+
+filesystem.open("A", exec_args[1], "R")
+
+let status = com.getStatusCode(0)
+let infile = undefined
+if (0 != status) return status
+
+
+let fileLen = filesystem.getFileLen("A")
+println(`DMA reading ${fileLen} bytes from disk...`)
+infile = sys.malloc(fileLen)
+dma.comToRam(0, 0, infile, fileLen)
+
+
+println("decoding")
+
+// decode
+const [imgw, imgh, imageData] = graphics.decodeImageResample(infile, fileLen, -1, -1)
+
+println(`dim: ${imgw}x${imgh}`)
+println(`converting to displayable format...`)
+
+// convert colour
+graphics.setGraphicsMode(4)
+graphics.imageToDirectCol(imageData, -1048577, -1310721, imgw, imgh, 4, 0)
+
+sys.free(imageData)
+sys.free(infile)