44 lines
2.2 KiB
TypeScript
44 lines
2.2 KiB
TypeScript
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import type { BgrColor, SavePaintResult } from '../components/MaskSegmentCanvas.types';
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import type { SkImage } from '@shopify/react-native-skia';
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export type CompositePaintInput = {
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originBuffer: Uint8Array;
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cols: number;
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rows: number;
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pickBuffer: Uint8Array;
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paintedRegions: Map<number, BgrColor>;
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destDir?: string;
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/**
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* Preferred path for rich export: PNG base64 from makeImageSnapshot() — written
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* directly to disk without an extra decode/re-encode round trip.
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*/
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exportPngBase64?: string;
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/**
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* Preferred path for rich export: if the caller (MaskSegmentCanvas) provides bytes
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* that were produced by makeImageSnapshot() on a high-resolution Canvas rendering the
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* exact same PaintShaderLayer + regionPaint SkSL at work resolution, we write them
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* directly. This captures the live editor 质感 (lighting + high/low-freq texture)
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* without CPU pixel math and without a second declarative drawAsImage.
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*/
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exportPngBytes?: Uint8Array;
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/**
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* Fallback rich path (when no pre-captured snapshot bytes): pass the live textures
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* so we can try renderPaintedImageOffscreen (drawAsImage with the shader tree).
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*/
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shaderTextures?: {
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originImage: SkImage;
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paintColorMap: SkImage;
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lowFreqImage: SkImage;
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highFreqImage: SkImage;
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};
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/** The logical size at which to render the shader tree for export (typically the work image res). */
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renderWidth?: number;
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renderHeight?: number;
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};
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/** 将上色区域导出为 recolored PNG。
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* 优先级（从好到保底）：
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* 1. exportPngBytes（调用方用 makeImageSnapshot 在高分辨率 Canvas 上捕获的完整 shader 结果）—— 推荐的“保存快照”路径，无 CPU 逐像素，无二次 drawAsImage。
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* 2. shaderTextures + render*（通过 renderPaintedImageOffscreen / drawAsImage 重建同一套 PaintShaderLayer + SkSL）。
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* 3. CPU 逐像素 recolor（flat，无光照/纹理，仅作最后兜底，保证保存不中断）。
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*/
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export declare function compositePaintedImage(input: CompositePaintInput): Promise<SavePaintResult>;
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//# sourceMappingURL=compositePaintedImage.d.ts.map
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