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Fix off-by-one error

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Zachary Hall 2023-11-28 09:22:26 -08:00
parent 4771e0562f
commit 46ba6bbab5
1 changed files with 1 additions and 3 deletions
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4
bitmapx16.cpp
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@ -124,12 +124,11 @@ void BitmapX16::write_x16(const char *filename) {
buf[9] = h >> 8; buf[9] = h >> 8;
buf[10] = palette_entries.size(); buf[10] = palette_entries.size();
buf[11] = significant_start; buf[11] = significant_start;
uint16_t image_start = 32+(2*palette_entries.size())+1; uint16_t image_start = 32+(2*palette_entries.size());
buf[12] = image_start; buf[12] = image_start;
buf[13] = image_start>>8; buf[13] = image_start>>8;
buf[14] = compress ? 255 : 0; buf[14] = compress ? 255 : 0;
buf[15] = extra_to_real_palette(border); buf[15] = extra_to_real_palette(border);
--image_start;
for (size_t i = 16; i < 32; i++) { for (size_t i = 16; i < 32; i++) {
buf[i] = 0; // Reserved bytes. buf[i] = 0; // Reserved bytes.
} }
@ -218,7 +217,6 @@ void BitmapX16::load_x16(const char *filename) {
if ((int8_t)buf[14] == -1) { if ((int8_t)buf[14] == -1) {
compressed = true; compressed = true;
} }
--image_start;
border = buf[15]; border = buf[15];
bufsize = std::filesystem::file_size(filename); bufsize = std::filesystem::file_size(filename);
buf.resize(bufsize); buf.resize(bufsize);