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@@ -41,16 +41,16 @@ public class FlowCardRenderer {
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private static final float PDF_PAGE_H_PT = 595.25f;
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// 三个动态元素在 PDF 坐标系里的位置（pt，左上原点）
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- private static final float QR_X = 194.1f;
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- private static final float QR_Y = 63.3f;
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+ private static final float QR_X = 199.3f;
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+ private static final float QR_Y = 60.2f;
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private static final float QR_W = 35.7f;
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private static final float QR_H = 34.6f;
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// 文字 baseline（Graphics2D.drawString 的 y 参数）
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private static final float PROD_TEXT_X = 120.0f;
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- private static final float PROD_TEXT_Y = 81.1f;
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+ private static final float PROD_TEXT_Y = 80.7f;
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private static final float STEEL_TEXT_X = 286.7f;
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- private static final float STEEL_TEXT_Y = 76.3f;
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+ private static final float STEEL_TEXT_Y = 75.6f;
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private static final float SN_TEXT_X = 286.7f;
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private static final float SN_TEXT_Y = 86.3f;
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@@ -310,17 +310,22 @@ public class FlowCardRenderer {
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BufferedImage bgImage = getTemplateImage();
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BufferedImage qr = generateQrCode(data.getSn(), 600);
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- // 2. 创建完整的打印图像（使用打印逻辑）
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- int imgW = bgImage.getWidth();
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- int imgH = bgImage.getHeight();
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+ // 2. 创建打印尺寸的图像（PDF pt 坐标系）
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+ int imgW = (int) Math.ceil(PDF_PAGE_W_PT);
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+ int imgH = (int) Math.ceil(PDF_PAGE_H_PT);
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BufferedImage finalImage = new BufferedImage(imgW, imgH, BufferedImage.TYPE_INT_RGB);
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Graphics2D g2 = finalImage.createGraphics();
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- // 绘制底图
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- g2.drawImage(bgImage, 0, 0, null);
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+ // 设置高质量渲染
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+ g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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+ g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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+ g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
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- // 绘制动态内容（二维码和文字）
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- drawDynamic(g2, qr, data);
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+ // 底图从 300dpi 缩小到 PDF pt 坐标（和打印时一致）
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+ g2.drawImage(bgImage, 0, 0, imgW, imgH, null);
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+
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+ // 使用打印方法绘制动态内容（完全一致的坐标和字体）
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+ drawDynamicForPrint(g2, qr, data);
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g2.dispose();
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// 3. 创建 PDF 并写入图片
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wangxichen