From 2959b5d340a3cdc12b297568fbbcfc5b44957521 Mon Sep 17 00:00:00 2001
From: HouYunFei <1844025705@qq.com>
Date: Thu, 16 Jul 2026 15:45:02 +0800
Subject: [PATCH] feat(image-settings): add transparent background toggle for
image generation
---
CHANGELOG.md | 2 ++
.../canvas/canvas-config-node-panel.tsx | 1 +
.../canvas/canvas-node-prompt-panel.tsx | 1 +
web/src/components/image-settings-panel.tsx | 14 +++++++++++++-
web/src/pages/canvas/project.tsx | 5 ++++-
web/src/services/api/image.ts | 17 +++++++++++++++--
web/src/stores/use-config-store.ts | 2 ++
web/src/types/canvas.ts | 1 +
8 files changed, 39 insertions(+), 4 deletions(-)
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5eb8350..995e059 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
## Unreleased
++ [新增] 图像设置新增「透明背景」开关,开启后生成无背景的透明图像。
+
## v0.8.1 - 2026-07-16
+ [新增] 插件 SDK 扩展:AI 生成能力、面板控制能力。
diff --git a/web/src/components/canvas/canvas-config-node-panel.tsx b/web/src/components/canvas/canvas-config-node-panel.tsx
index 4e265bf..319c77e 100644
--- a/web/src/components/canvas/canvas-config-node-panel.tsx
+++ b/web/src/components/canvas/canvas-config-node-panel.tsx
@@ -156,6 +156,7 @@ function buildNodeConfig(globalConfig: AiConfig, node: CanvasNodeData, mode: Can
model,
quality: node.metadata?.quality || globalConfig.quality || defaultConfig.quality,
size: node.metadata?.size || globalConfig.size || defaultConfig.size,
+ background: node.metadata?.background ?? globalConfig.background ?? defaultConfig.background,
videoSeconds: node.metadata?.seconds || globalConfig.videoSeconds || defaultConfig.videoSeconds,
vquality: node.metadata?.vquality || globalConfig.vquality || defaultConfig.vquality,
videoGenerateAudio: node.metadata?.generateAudio || globalConfig.videoGenerateAudio || defaultConfig.videoGenerateAudio,
diff --git a/web/src/components/canvas/canvas-node-prompt-panel.tsx b/web/src/components/canvas/canvas-node-prompt-panel.tsx
index a96e32b..e1dc80b 100644
--- a/web/src/components/canvas/canvas-node-prompt-panel.tsx
+++ b/web/src/components/canvas/canvas-node-prompt-panel.tsx
@@ -145,6 +145,7 @@ function buildNodeConfig(globalConfig: AiConfig, node: CanvasNodeData, mode: Can
model,
quality: node.metadata?.quality || globalConfig.quality || defaultConfig.quality,
size: node.metadata?.size || globalConfig.size || defaultConfig.size,
+ background: node.metadata?.background ?? globalConfig.background ?? defaultConfig.background,
videoSeconds: node.metadata?.seconds || globalConfig.videoSeconds || defaultConfig.videoSeconds,
vquality: node.metadata?.vquality || globalConfig.vquality || defaultConfig.vquality,
videoGenerateAudio: node.metadata?.generateAudio || globalConfig.videoGenerateAudio || defaultConfig.videoGenerateAudio,
diff --git a/web/src/components/image-settings-panel.tsx b/web/src/components/image-settings-panel.tsx
index ee86d61..725e3d1 100644
--- a/web/src/components/image-settings-panel.tsx
+++ b/web/src/components/image-settings-panel.tsx
@@ -33,7 +33,7 @@ export const imageAspectOptions = aspectOptions.map((item) => ({ value: item.siz
type ImageSettingsPanelProps = {
config: AiConfig;
- onConfigChange: (key: "quality" | "size" | "count", value: string) => void;
+ onConfigChange: (key: "quality" | "size" | "count" | "background", value: string) => void;
theme: CanvasTheme;
showTitle?: boolean;
className?: string;
@@ -46,6 +46,7 @@ export function ImageSettingsPanel({ config, onConfigChange, theme, showTitle =
const quality = config.quality || "auto";
const count = Math.max(1, Math.min(maxCount, Math.floor(Math.abs(Number(config.count)) || 1)));
const activeSize = config.size || "auto";
+ const transparentBackground = config.background === "transparent";
const selectedAspect = aspectOptions.find((item) => (item.size || item.value) === activeSize || item.value === activeSize);
const dimensions = readSizeDimensions(activeSize, selectedAspect || aspectOptions[0]);
const selectAspect = (value: string) => {
@@ -117,6 +118,17 @@ export function ImageSettingsPanel({ config, onConfigChange, theme, showTitle =
))}
+
生成张数
diff --git a/web/src/pages/canvas/project.tsx b/web/src/pages/canvas/project.tsx
index ae9d5fe..ee97e4b 100644
--- a/web/src/pages/canvas/project.tsx
+++ b/web/src/pages/canvas/project.tsx
@@ -2522,6 +2522,7 @@ function InfiniteCanvasPage() {
model: savedImageMetadata.model || effectiveConfig.imageModel || effectiveConfig.model,
quality: savedImageMetadata.quality || effectiveConfig.quality,
size: savedImageMetadata.size || effectiveConfig.size,
+ background: savedImageMetadata.background ?? effectiveConfig.background,
count: "1",
}
: { ...buildGenerationConfig(effectiveConfig, sourceNode, node.type === CanvasNodeType.Text ? "text" : node.type === CanvasNodeType.Video ? "video" : node.type === CanvasNodeType.Audio ? "audio" : "image"), count: "1" };
@@ -2579,7 +2580,7 @@ function InfiniteCanvasPage() {
const imageConfig = NODE_DEFAULT_SIZE[CanvasNodeType.Image];
const imageSize = fitNodeSize(uploadedImage.width, uploadedImage.height, imageConfig.width, imageConfig.height);
const generationMetadata = savedImageMetadata?.generationType
- ? { generationType: savedImageMetadata.generationType, model: generationConfig.model, size: generationConfig.size, quality: generationConfig.quality, count: savedImageMetadata.count || 1, references: savedImageMetadata.references }
+ ? { generationType: savedImageMetadata.generationType, model: generationConfig.model, size: generationConfig.size, quality: generationConfig.quality, ...(generationConfig.background ? { background: generationConfig.background } : {}), count: savedImageMetadata.count || 1, references: savedImageMetadata.references }
: buildImageGenerationMetadata(useReferenceImages ? "edit" : "generation", generationConfig, 1, retryImages);
setNodes((prev) =>
prev.map((item) =>
@@ -3282,6 +3283,7 @@ function buildImageGenerationMetadata(type: CanvasImageGenerationType, config: A
model: config.model,
size: config.size,
quality: config.quality,
+ ...(config.background ? { background: config.background } : {}),
count,
references: references.map(referenceUrl).filter((url): url is string => Boolean(url)),
};
@@ -3460,6 +3462,7 @@ function buildGenerationConfig(config: AiConfig, node: CanvasNodeData | undefine
model: node?.metadata?.model || defaultModel || (mode === "audio" ? defaultConfig.audioModel : config.model || defaultConfig.model),
quality: node?.metadata?.quality || config.quality || defaultConfig.quality,
size: node?.metadata?.size || config.size || defaultConfig.size,
+ background: node?.metadata?.background ?? config.background ?? defaultConfig.background,
videoSeconds: node?.metadata?.seconds || config.videoSeconds || defaultConfig.videoSeconds,
vquality: node?.metadata?.vquality || config.vquality || defaultConfig.vquality,
videoGenerateAudio: node?.metadata?.generateAudio || config.videoGenerateAudio || defaultConfig.videoGenerateAudio,
diff --git a/web/src/services/api/image.ts b/web/src/services/api/image.ts
index 3ffa00d..251bd50 100644
--- a/web/src/services/api/image.ts
+++ b/web/src/services/api/image.ts
@@ -122,6 +122,11 @@ function normalizeQuality(quality: string) {
return QUALITY_BASE[normalized] ? normalized : undefined;
}
+/** Only "transparent" is forwarded; any other value (incl. empty) means keep the default opaque background. */
+function normalizeBackground(background: string | undefined) {
+ return background?.trim().toLowerCase() === "transparent" ? "transparent" : undefined;
+}
+
/** Map "quality + ratio" to an explicit pixel dimension like "3840x2160". */
function resolveSize(quality: string | undefined, ratio: string): string {
const parsedRatio = parseImageRatio(ratio);
@@ -661,6 +666,7 @@ export async function requestGeneration(config: AiConfig, prompt: string, option
if (script) {
const quality = normalizeQuality(config.quality);
const requestSize = resolveRequestSize(quality, config.size);
+ const background = normalizeBackground(config.background);
try {
const result = await runModelPlugin({
capability: "image",
@@ -668,7 +674,7 @@ export async function requestGeneration(config: AiConfig, prompt: string, option
config: requestConfig,
prompt: withSystemPrompt(requestConfig, prompt),
images: [],
- params: { size: requestSize, quality, count: n },
+ params: { size: requestSize, quality, count: n, ...(background ? { background } : {}) },
signal: options?.signal,
});
return normalizePluginImages(result).map((dataUrl) => ({ id: nanoid(), dataUrl }));
@@ -685,6 +691,7 @@ export async function requestGeneration(config: AiConfig, prompt: string, option
}
const quality = normalizeQuality(config.quality);
const requestSize = resolveRequestSize(quality, config.size);
+ const background = normalizeBackground(config.background);
try {
const response = await axios.post(
aiApiUrl(requestConfig, "/images/generations"),
@@ -694,6 +701,7 @@ export async function requestGeneration(config: AiConfig, prompt: string, option
n,
...(quality ? { quality } : {}),
...(requestSize ? { size: requestSize } : {}),
+ ...(background ? { background } : {}),
response_format: "b64_json",
output_format: IMAGE_OUTPUT_FORMAT,
},
@@ -717,6 +725,7 @@ export async function requestEdit(config: AiConfig, prompt: string, references:
if (script) {
const quality = normalizeQuality(config.quality);
const requestSize = resolveRequestSize(quality, config.size);
+ const background = normalizeBackground(config.background);
const refs = await Promise.all(references.map((image) => imageToDataUrl(image)));
try {
const result = await runModelPlugin({
@@ -725,7 +734,7 @@ export async function requestEdit(config: AiConfig, prompt: string, references:
config: requestConfig,
prompt: withSystemPrompt(requestConfig, requestPrompt),
images: refs,
- params: { size: requestSize, quality, count: n },
+ params: { size: requestSize, quality, count: n, ...(background ? { background } : {}) },
signal: options?.signal,
});
return normalizePluginImages(result).map((dataUrl) => ({ id: nanoid(), dataUrl }));
@@ -743,6 +752,7 @@ export async function requestEdit(config: AiConfig, prompt: string, references:
}
const quality = normalizeQuality(config.quality);
const requestSize = resolveRequestSize(quality, config.size);
+ const background = normalizeBackground(config.background);
const formData = new FormData();
formData.set("model", requestConfig.model);
formData.set("prompt", withSystemPrompt(requestConfig, requestPrompt));
@@ -755,6 +765,9 @@ export async function requestEdit(config: AiConfig, prompt: string, references:
if (requestSize) {
formData.set("size", requestSize);
}
+ if (background) {
+ formData.set("background", background);
+ }
const files = await Promise.all(references.map(async (image) => dataUrlToFile({ ...image, dataUrl: await imageToDataUrl(image) })));
files.forEach((file) => formData.append("image", file));
if (mask) formData.set("mask", dataUrlToFile(mask));
diff --git a/web/src/stores/use-config-store.ts b/web/src/stores/use-config-store.ts
index de9d1f4..ffe2864 100644
--- a/web/src/stores/use-config-store.ts
+++ b/web/src/stores/use-config-store.ts
@@ -44,6 +44,7 @@ export type AiConfig = {
models: string[];
quality: string;
size: string;
+ background: string;
count: string;
canvasImageCount: string;
};
@@ -99,6 +100,7 @@ export const defaultConfig: AiConfig = {
models: ["default::gpt-image-2", "default::grok-imagine-video", "default::gpt-5.5", "default::gpt-4o-mini-tts"],
quality: "auto",
size: "1:1",
+ background: "",
count: "1",
canvasImageCount: "3",
};
diff --git a/web/src/types/canvas.ts b/web/src/types/canvas.ts
index 4256c36..48a7d76 100644
--- a/web/src/types/canvas.ts
+++ b/web/src/types/canvas.ts
@@ -37,6 +37,7 @@ export type CanvasNodeMetadata = {
model?: string;
size?: string;
quality?: string;
+ background?: string;
count?: number;
seconds?: string;
vquality?: string;