Skip to content

Default iOS rendering to Ganesh and add benchmarks #17

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
markm39 merged 1 commit into from
May 12, 2026
Merged

Default iOS rendering to Ganesh and add benchmarks #17

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
176 changes: 112 additions & 64 deletions example/App.tsx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,30 +10,26 @@ import {
import AsyncStorage from "@react-native-async-storage/async-storage";
import {
InfiniteInkCanvas,
type ContinuousEnginePoolToolState,
type InfiniteInkCanvasRef,
type NativeInkRenderBackend,
type SerializedNotebookData,
} from "@mathnotes/mobile-ink";
import {
tools,
type ToolConfig,
} from "./benchmark";
import { BenchmarkScreen } from "./BenchmarkScreen";

type ToolConfig = ContinuousEnginePoolToolState & {
label: string;
};

const tools: ToolConfig[] = [
{ label: "Pen", toolType: "pen", width: 3, color: "#111111", eraserMode: "pixel" },
{ label: "Highlighter", toolType: "highlighter", width: 18, color: "#FFE066", eraserMode: "pixel" },
{ label: "Crayon", toolType: "crayon", width: 9, color: "#1E6BFF", eraserMode: "pixel" },
{ label: "Calligraphy", toolType: "calligraphy", width: 7, color: "#111111", eraserMode: "pixel" },
{ label: "Eraser", toolType: "eraser", width: 64, color: "#FFFFFF", eraserMode: "pixel" },
{ label: "Select", toolType: "select", width: 3, color: "#111111", eraserMode: "pixel" },
];
type AppMode = "draw" | "benchmark";

const STORAGE_KEY = "mobile-ink-example-notebook";

export default function App() {
const canvasRef = useRef<InfiniteInkCanvasRef | null>(null);
const [mode, setMode] = useState<AppMode>("draw");
const [activeTool, setActiveTool] = useState<ToolConfig>(tools[0]);
const [drawWithFinger, setDrawWithFinger] = useState(false);
const [renderBackend, setRenderBackend] = useState<NativeInkRenderBackend>("ganesh");
const [savedNotebook, setSavedNotebook] = useState<SerializedNotebookData | null>(null);
const [storageStatus, setStorageStatus] = useState("not saved");
const [currentPageIndex, setCurrentPageIndex] = useState(0);
Expand Down Expand Up @@ -88,62 +84,106 @@ export default function App() {
return (
<SafeAreaView style={styles.screen}>
<View style={styles.toolbar}>
<View style={styles.toggleRow}>
<Text style={styles.toggleLabel}>Draw with finger</Text>
<Switch value={drawWithFinger} onValueChange={setDrawWithFinger} />
<View style={styles.segmentGroup}>
{(["draw", "benchmark"] as AppMode[]).map((item) => (
<TouchableOpacity
key={item}
style={[styles.button, mode === item && styles.activeButton]}
onPress={() => setMode(item)}
>
<Text style={styles.buttonText}>{item === "draw" ? "Draw" : "Benchmark"}</Text>
</TouchableOpacity>
))}
</View>

{tools.map((tool) => (
<TouchableOpacity
key={tool.label}
style={[styles.button, activeTool.label === tool.label && styles.activeButton]}
onPress={() => applyTool(tool)}
>
<Text style={styles.buttonText}>{tool.label}</Text>
</TouchableOpacity>
))}

<TouchableOpacity style={styles.button} onPress={() => canvasRef.current?.undo()}>
<Text style={styles.buttonText}>Undo</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.button} onPress={() => canvasRef.current?.redo()}>
<Text style={styles.buttonText}>Redo</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.button} onPress={() => canvasRef.current?.clearCurrentPage()}>
<Text style={styles.buttonText}>Clear</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.button} onPress={() => canvasRef.current?.resetViewport(true)}>
<Text style={styles.buttonText}>Reset View</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.button} onPress={save}>
<Text style={styles.buttonText}>Save</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.button} onPress={reload}>
<Text style={styles.buttonText}>Reload</Text>
</TouchableOpacity>
{mode === "draw" ? (
<>
<View style={styles.segmentGroup}>
{(["ganesh", "cpu"] as NativeInkRenderBackend[]).map((item) => (
<TouchableOpacity
key={item}
style={[styles.button, renderBackend === item && styles.activeButton]}
onPress={() => setRenderBackend(item)}
>
<Text style={styles.buttonText}>{item === "ganesh" ? "Ganesh" : "CPU"}</Text>
</TouchableOpacity>
))}
</View>

<View style={styles.toggleRow}>
<Text style={styles.toggleLabel}>Draw with finger</Text>
<Switch value={drawWithFinger} onValueChange={setDrawWithFinger} />
</View>

{tools.map((tool) => (
<TouchableOpacity
key={tool.label}
style={[styles.button, activeTool.label === tool.label && styles.activeButton]}
onPress={() => applyTool(tool)}
>
<Text style={styles.buttonText}>{tool.label}</Text>
</TouchableOpacity>
))}

<TouchableOpacity style={styles.button} onPress={() => canvasRef.current?.undo()}>
<Text style={styles.buttonText}>Undo</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.button} onPress={() => canvasRef.current?.redo()}>
<Text style={styles.buttonText}>Redo</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.button} onPress={() => canvasRef.current?.clearCurrentPage()}>
<Text style={styles.buttonText}>Clear</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.button} onPress={() => canvasRef.current?.resetViewport(true)}>
<Text style={styles.buttonText}>Reset View</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.button} onPress={save}>
<Text style={styles.buttonText}>Save</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.button} onPress={reload}>
<Text style={styles.buttonText}>Reload</Text>
</TouchableOpacity>
</>
) : null}
</View>

<View style={styles.statusBar}>
<Text style={styles.statusText}>Page {currentPageIndex + 1} / {pageCount}</Text>
<Text style={styles.statusText}>{isMoving ? "moving" : "settled"}</Text>
<Text style={styles.statusText}>{storageStatus}</Text>
{mode === "draw" ? (
<View style={styles.statusBar}>
<Text style={styles.statusText}>Page {currentPageIndex + 1} / {pageCount}</Text>
<Text style={styles.statusText}>{isMoving ? "moving" : "settled"}</Text>
<Text style={styles.statusText}>{storageStatus}</Text>
<Text style={styles.statusText}>Backend {renderBackend}</Text>
</View>
) : null}

<View style={styles.contentArea}>
<InfiniteInkCanvas
ref={canvasRef}
style={styles.canvasHost}
initialPageCount={1}
pageWidth={820}
pageHeight={1061}
backgroundType="plain"
renderBackend={renderBackend}
fingerDrawingEnabled={mode === "benchmark" ? false : drawWithFinger}
toolState={activeTool}
minScale={1}
maxScale={5}
onCurrentPageChange={setCurrentPageIndex}
onPagesChange={(pages) => setPageCount(pages.length)}
onMotionStateChange={setIsMoving}
/>

{mode === "benchmark" ? (
<BenchmarkScreen
backend={renderBackend}
canvasRef={canvasRef}
activeTool={activeTool}
applyTool={applyTool}
setBackend={setRenderBackend}
/>
) : null}
</View>

<InfiniteInkCanvas
ref={canvasRef}
style={styles.canvasHost}
initialPageCount={1}
pageWidth={820}
pageHeight={1061}
backgroundType="plain"
fingerDrawingEnabled={drawWithFinger}
toolState={activeTool}
minScale={1}
maxScale={5}
onCurrentPageChange={setCurrentPageIndex}
onPagesChange={(pages) => setPageCount(pages.length)}
onMotionStateChange={setIsMoving}
/>
</SafeAreaView>
);
}
Expand All @@ -162,6 +202,11 @@ const styles = StyleSheet.create({
borderBottomColor: "#D7DEE8",
borderBottomWidth: StyleSheet.hairlineWidth,
},
segmentGroup: {
flexDirection: "row",
flexWrap: "wrap",
gap: 6,
},
toggleRow: {
alignItems: "center",
flexDirection: "row",
Expand Down Expand Up @@ -201,6 +246,9 @@ const styles = StyleSheet.create({
fontSize: 12,
fontWeight: "700",
},
contentArea: {
flex: 1,
},
canvasHost: {
flex: 1,
},
Expand Down
Loading
Loading