49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
#include "cell.h"
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#include <string.h>
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#include <stdlib.h>
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#include "stb_image_common.h"
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// PSD decoding (decode only - no encode support in stb_image_write)
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JSValue js_psd_decode(JSContext *js, JSValue this_val, int argc, JSValueConst *argv)
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{
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size_t len;
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void *raw = js_get_blob_data(js, &len, argv[0]);
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if (raw == NULL) return JS_EXCEPTION;
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if (!raw) return JS_ThrowReferenceError(js, "could not get PSD data from blob");
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int n, width, height;
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void *data = stbi_load_from_memory(raw, len, &width, &height, &n, 4);
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if (!data)
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return JS_ThrowReferenceError(js, "failed to decode PSD: %s", stbi_failure_reason());
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if (width <= 0 || height <= 0) {
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stbi_image_free(data);
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return JS_ThrowReferenceError(js, "decoded PSD has invalid size: %dx%d", width, height);
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}
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int pitch = width * 4;
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size_t pixels_size = pitch * height;
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JS_FRAME(js);
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JS_ROOT(obj, JS_NewObject(js));
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JS_SetPropertyStr(js, obj.val, "width", JS_NewInt32(js, width));
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JS_SetPropertyStr(js, obj.val, "height", JS_NewInt32(js, height));
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JSValue fmt_str = JS_NewString(js, "rgba32");
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JS_SetPropertyStr(js, obj.val, "format", fmt_str);
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JS_SetPropertyStr(js, obj.val, "pitch", JS_NewInt32(js, pitch));
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JSValue pixels_blob = js_new_blob_stoned_copy(js, data, pixels_size);
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JS_SetPropertyStr(js, obj.val, "pixels", pixels_blob);
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JS_SetPropertyStr(js, obj.val, "depth", JS_NewInt32(js, 8));
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JS_SetPropertyStr(js, obj.val, "hdr", JS_NewBool(js, 0));
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stbi_image_free(data);
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JS_RETURN(obj.val);
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}
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static const JSCFunctionListEntry js_psd_funcs[] = {
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MIST_FUNC_DEF(psd, decode, 1)
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};
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CELL_USE_FUNCS(js_psd_funcs)
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