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feat(protocol): 可美 KM Seedream - 接入图片生成与编辑

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2026-10-09 16:42:58 +08:00
parent 85c2aa178b
commit 1b08bd64dd
24 changed files with 3277 additions and 21 deletions
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16
web/src/lib/image-size-presets.ts
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@@ -2,6 +2,10 @@ import { buildImageResolutionOptions, type ImageResolutionOption, type ImageReso
import type { ImageCapabilityConfig } from "./model-capabilities";
export const IMAGE_RESOLUTIONS: ImageResolutionTier[] = ["1k", "2k", "4k"];
// 1.5K 只在模型明确配置此档位时出现，既有模型的档位保持原有顺序。
export function imageResolutionTiers(profile: ImageCapabilityConfig): ImageResolutionTier[] {
return profile.size.presets?.some((preset) => preset.tier === "1.5k") || profile.quality.values.includes("1.5k") ? ["1k", "1.5k", "2k", "4k"] : IMAGE_RESOLUTIONS;
}
export const IMAGE_RATIOS = ["1:1", "16:9", "9:16", "4:3", "3:4", "3:2", "2:3", "4:5", "5:4", "21:9"];
const standardSizes: Record<string, string[]> = {
"1:1": ["1024x1024", "2048x2048", "2880x2880"],
@@ -33,9 +37,9 @@ export function imagePresetForRatio(tier: ImageResolutionTier, input: string): I
return width * h === height * w;
}) || `${w}:${h}`;
const index = IMAGE_RESOLUTIONS.indexOf(tier);
if (index < 0) throw new Error("分辨率仅支持 1K、2K、4K");
const standard = standardSizes[ratio]?.[index];
const pixels = [1_048_576, 4_194_304, 8_294_400][index];
if (index < 0 && tier !== "1.5k") throw new Error("分辨率仅支持 1K、1.5K、2K、4K");
const standard = tier === "1.5k" ? undefined : standardSizes[ratio]?.[index];
const pixels = tier === "1.5k" ? 2_359_296 : [1_048_576, 4_194_304, 8_294_400][index];
let width = Math.round(Math.sqrt((pixels * w) / h) / 16) * 16;
let height = Math.round((width * h) / w / 16) * 16;
while (width * height > pixels || Math.max(width, height) > 3840) {
@@ -52,12 +56,12 @@ export function imagePresetForRatio(tier: ImageResolutionTier, input: string): I
}
export function imageQualityForTier(profile: ImageCapabilityConfig, tier: ImageResolutionTier) {
const aliases = { "1k": ["1k", "low"], "2k": ["2k", "medium"], "4k": ["4k", "high"] }[tier];
const aliases = { "1k": ["1k", "low"], "1.5k": ["1.5k"], "2k": ["2k", "medium"], "4k": ["4k", "high"] }[tier];
return profile.quality.supported ? profile.quality.values.find((value) => aliases.includes(value.toLowerCase())) : undefined;
}
export function imageResolutionUsesQuality(profile: ImageCapabilityConfig) {
return profile.size.parameter === "aspect_ratio" && IMAGE_RESOLUTIONS.some((tier) => imageQualityForTier(profile, tier));
return profile.size.parameter === "aspect_ratio" && imageResolutionTiers(profile).some((tier) => imageQualityForTier(profile, tier));
}
export function imageTierAvailable(profile: ImageCapabilityConfig, tier: ImageResolutionTier) {
@@ -82,7 +86,7 @@ export function imageSizePresets(profile: ImageCapabilityConfig): ImageResolutio
if (profile.size.parameter === "none") return [];
if (profile.size.presets) return profile.size.presets;
const pixels = buildImageResolutionOptions(profile.size.values);
const tiers = profile.size.parameter === "aspect_ratio" ? IMAGE_RESOLUTIONS.filter((tier) => imageQualityForTier(profile, tier)) : [];
const tiers = profile.size.parameter === "aspect_ratio" ? imageResolutionTiers(profile).filter((tier) => imageQualityForTier(profile, tier)) : [];
const ratios = tiers.flatMap((tier) =>
profile.size.values.flatMap((ratio) => {
try {