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Fix pdf

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nyne
2025-01-24 19:20:57 +08:00
parent 7bd0c2b82a
commit 11e4d7a9f2
3 changed files with 8 additions and 25 deletions
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8
lib/utils/image.dart
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@@ -39,12 +39,12 @@ class Image {
return image;
}
int getPixelAtIndex(int index) {
Color getPixelAtIndex(int index) {
if (index < 0 || index >= _data.length) {
throw ArgumentError(
'Invalid argument: index must be in the range of [0, ${_data.length}).');
}
return _data[index];
return Color.fromValue(_data[index]);
}
Image copyRange(int x, int y, int width, int height) {
@@ -184,11 +184,11 @@ class Color {
Color.fromValue(this.value);
int get r => (value >> 16) & 0xFF;
int get r => value & 0xFF;
int get g => (value >> 8) & 0xFF;
int get b => value & 0xFF;
int get b => (value >> 16) & 0xFF;
int get a => (value >> 24) & 0xFF;
}

8
lib/utils/pdf.dart
View File

@@ -394,10 +394,10 @@ class PdfGenerator {
var height = image.height;
data = Uint8List(width * height * 3);
for (var i = 0; i < width * height; i++) {
var pixel = image.getPixelAtIndex(i); // RGBA
data[i * 3] = pixel & 0xFF; // R
data[i * 3 + 1] = (pixel >> 8) & 0xFF; // G
data[i * 3 + 2] = (pixel >> 16) & 0xFF; // B
var pixel = image.getPixelAtIndex(i);
data[i * 3] = pixel.r;
data[i * 3 + 1] = pixel.g;
data[i * 3 + 2] = pixel.b;
}
data = tdeflCompressData(data, true, true, 9);
return (width: width, height: height, data: data);