102 lines
4.1 KiB
MonkeyC
102 lines
4.1 KiB
MonkeyC
import Toybox.Graphics;
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import Toybox.WatchUi;
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import Toybox.Lang;
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class FotoCompanionView extends WatchUi.View {
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var bitmap = null;
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var palette = null;
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function initialize() {
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View.initialize();
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// Initialize 64 color palette matching Android side (00, 55, AA, FF)
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// R (2 bits), G (2 bits), B (2 bits)
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palette = new [64];
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for (var i = 0; i < 64; i++) {
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var r = (i >> 4) & 0x03;
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var g = (i >> 2) & 0x03;
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var b = i & 0x03;
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// Map 0..3 to 0..255 (0, 85, 170, 255)
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palette[i] = (r * 85) << 16 | (g * 85) << 8 | (b * 85);
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}
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}
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function onLayout(dc as Dc) as Void {
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}
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function onUpdate(dc as Dc) as Void {
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dc.setColor(Graphics.COLOR_BLACK, Graphics.COLOR_BLACK);
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dc.clear();
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if (bitmap != null) {
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var cx = (dc.getWidth() - bitmap.getWidth()) / 2;
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var cy = (dc.getHeight() - bitmap.getHeight()) / 2;
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dc.drawBitmap(cx, cy, bitmap);
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} else {
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dc.setColor(Graphics.COLOR_WHITE, Graphics.COLOR_TRANSPARENT);
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dc.drawText(dc.getWidth() / 2, dc.getHeight() / 2, Graphics.FONT_MEDIUM, "Waiting for\nCamera...", Graphics.TEXT_JUSTIFY_CENTER | Graphics.TEXT_JUSTIFY_VCENTER);
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}
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// Draw Button Hint
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dc.setColor(Graphics.COLOR_GREEN, Graphics.COLOR_TRANSPARENT);
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dc.drawText(dc.getWidth() / 2, dc.getHeight() - 30, Graphics.FONT_XTINY, "PRESS START", Graphics.TEXT_JUSTIFY_CENTER);
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}
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function updateImage(data) {
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if (data instanceof Toybox.Lang.Array) {
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// Create a BufferedBitmap
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// Width/Height hardcoded to match Android (120x120)
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var opts = {
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:width => 120,
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:height => 120,
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:palette => palette
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};
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if (Graphics has :createBufferedBitmap) {
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var bbRef = Graphics.createBufferedBitmap(opts);
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var bb = bbRef.get();
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// Copy data
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// BufferedBitmap.setPalette is implicit via options
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// Unfortunately, there is no direct "setBytes" for the whole bitmap in older SDKs easily exposed without a resource.
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// But Connect IQ 4.0+ helps.
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// If we can't do bulk set, we iterate? Too slow.
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// Actually, resource creation from bytes is tricky.
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// Let's try the most robust way:
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// If the data is indeed the palette indices, we just need to get it into the bitmap buffer.
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// Hack for performance if no setBytes:
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// Use a resource? No dynamic resource creation.
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// Alternative: Send a custom String/JSON and parse? No.
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// If the device supports direct palette mapping we might be good.
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// Let's assume standard behavior:
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// We CAN iterate 14400 pixels in Monkey C if optimized? Maybe 0.5s.
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// Let's try to find a bulk setter.
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// There isn't one publicly documented for raw byte array -> bitmap pixels easily.
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// Wait! Strings!
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// If we encode as a string on Android, drawText? No.
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// Okay, we will iterate. It's 14400 pixels.
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// To optimize, Android sends RLE?
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// For now, simple iteration.
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var dc = bb.getDc();
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for (var i = 0; i < 14400; i++) {
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if (i < data.size()) {
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var cIndex = data[i];
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if (cIndex >= 0 && cIndex < 64) {
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dc.setColor(palette[cIndex], Graphics.COLOR_TRANSPARENT);
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// x = i % 120, y = i / 120
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dc.drawPoint(i % 120, i / 120);
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}
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}
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}
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bitmap = bbRef;
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WatchUi.requestUpdate();
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}
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}
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}
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}
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