ObsidianDragon - DragonX ImGui Wallet

Full-node GUI wallet for DragonX cryptocurrency.
Built with Dear ImGui, SDL3, and OpenGL3/DX11.

Features:
- Send/receive shielded and transparent transactions
- Autoshield with merged transaction display
- Built-in CPU mining (xmrig)
- Peer management and network monitoring
- Wallet encryption with PIN lock
- QR code generation for receive addresses
- Transaction history with pagination
- Console for direct RPC commands
- Cross-platform (Linux, Windows)

src/util/noise_texture.h

@@ -0,0 +1,35 @@
+// DragonX Wallet - ImGui Edition
+// Copyright 2024-2026 The Hush Developers
+// Released under the GPLv3
+
+#pragma once
+
+#include "imgui.h"
+
+namespace dragonx {
+namespace util {
+
+// Returns a cached noise texture (created on first call).
+// The texture is a 256x256 tileable white-noise pattern with
+// per-pixel random alpha (0-255) designed to be overlaid at very
+// low opacity to give cards a subtle grain / paper texture.
+//
+// texSize receives 256 (the width/height of the texture).
+ImTextureID GetNoiseTexture(int* texSize = nullptr);
+
+// Returns a viewport-sized pre-tiled noise texture (single draw call).
+// The 256x256 base noise is tiled across the given viewport dimensions.
+// Re-creates the texture when the viewport size changes.
+// outW/outH receive the actual texture dimensions.
+ImTextureID GetTiledNoiseTexture(int viewportW, int viewportH,
+                                 int* outW = nullptr, int* outH = nullptr);
+
+// Draw a tiled noise overlay in a single AddImage call.
+// Uses the pre-tiled viewport-sized texture — call this instead of
+// manually looping with AddImage for each tile.
+// dl: draw list, pMin/pMax: rect to cover, tintColor: alpha-premultiplied tint.
+void DrawTiledNoiseRect(ImDrawList* dl, const ImVec2& pMin, const ImVec2& pMax,
+                        ImU32 tintColor);
+
+} // namespace util
+} // namespace dragonx