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fix misaligned loads in bmp loader

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This commit is contained in:
Morris Tabor 2021-05-08 16:51:30 +02:00
parent 871d067aa9
commit 89a8bbda0a
1 changed files with 10 additions and 16 deletions
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26
modules/bmp/image_loader_bmp.cpp
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@ -130,23 +130,19 @@ Error ImageLoaderBMP::convert_to_image(Ref<Image> p_image,
line_ptr += 1;
} break;
case 24: {
uint32_t color = *((uint32_t *)line_ptr);
write_buffer[index + 2] = color & 0xff;
write_buffer[index + 1] = (color >> 8) & 0xff;
write_buffer[index + 0] = (color >> 16) & 0xff;
write_buffer[index + 2] = line_ptr[0];
write_buffer[index + 1] = line_ptr[1];
write_buffer[index + 0] = line_ptr[2];
write_buffer[index + 3] = 0xff;
index += 4;
line_ptr += 3;
} break;
case 32: {
uint32_t color = *((uint32_t *)line_ptr);
write_buffer[index + 2] = color & 0xff;
write_buffer[index + 1] = (color >> 8) & 0xff;
write_buffer[index + 0] = (color >> 16) & 0xff;
write_buffer[index + 3] = color >> 24;
write_buffer[index + 2] = line_ptr[0];
write_buffer[index + 1] = line_ptr[1];
write_buffer[index + 0] = line_ptr[2];
write_buffer[index + 3] = line_ptr[3];
index += 4;
line_ptr += 4;
@ -172,11 +168,9 @@ Error ImageLoaderBMP::convert_to_image(Ref<Image> p_image,
const uint8_t *cb = p_color_buffer;
for (unsigned int i = 0; i < color_table_size; ++i) {
uint32_t color = *((uint32_t *)cb);
pal[i * 4 + 0] = (color >> 16) & 0xff;
pal[i * 4 + 1] = (color >> 8) & 0xff;
pal[i * 4 + 2] = (color)&0xff;
pal[i * 4 + 0] = cb[2];
pal[i * 4 + 1] = cb[1];
pal[i * 4 + 2] = cb[0];
pal[i * 4 + 3] = 0xff;
cb += 4;