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handle missing width/height values in decode-gci-snapshot

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This commit is contained in:
Martin Michelsen
2024-01-26 20:44:09 -08:00
parent 33407f88d7
commit 9084910235
1 changed files with 5 additions and 3 deletions
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src/SaveFileFormats.cc
+5 -3
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@@ -165,15 +165,17 @@ static uint32_t decode_rgb565(uint16_t c) {
}
Image PSOGCSnapshotFile::decode_image() const {
if (this->width != 256) {
size_t width = this->width ? this->width.load() : 256;
size_t height = this->height ? this->height.load() : 192;
if (width != 256) {
throw runtime_error("width is incorrect");
}
if (this->height != 192) {
if (height != 192) {
throw runtime_error("height is incorrect");
}
// 4x4 blocks of pixels
Image ret(this->width, this->height, false);
Image ret(width, height, false);
size_t offset = 0;
for (size_t y = 0; y < this->height; y += 4) {
for (size_t x = 0; x < this->width; x += 4) {