Garhoogin/NitroPaint
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Adjust 2x size bound when disabling affine

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Garhoogin 2025-05-29 22:03:23 -05:00 committed by GitHub
parent cf312a3353
commit a6a4b187fe
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1 changed files with 16 additions and 0 deletions
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16
NitroPaint/ncerviewer.c
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@ -1960,9 +1960,25 @@ static void CellViewerToggleAffineSelection(NCERVIEWERDATA *data) {
for (int i = 0; i < data->nSelectedOBJ; i++) {
uint16_t *pAttr0 = &cell->attr[3 * data->selectedOBJ[i] + 0];
uint16_t *pAttr1 = &cell->attr[3 * data->selectedOBJ[i] + 1];
int wasDoubleSize = (*pAttr0 & 0x0100) && (*pAttr0 & 0x0200);
*pAttr0 ^= 0x0100; // toggle affine
*pAttr0 &= 0xFDFF; // clear disable/double size
*pAttr1 &= 0xC1FF; // clear H/V and affine parameter
//if was double size, adjust by position.
if (wasDoubleSize) {
NCER_CELL_INFO info;
CellDecodeOamAttributes(&info, cell, i);
//unsetting: add correction
int dispX = info.width / 2;
int dispY = info.height / 2;
*pAttr0 = (*pAttr0 & 0xFF00) | (((*pAttr0 & 0x00FF) + dispY) & 0x00FF);
*pAttr1 = (*pAttr1 & 0xFE00) | (((*pAttr1 & 0x01FF) + dispX) & 0x01FF);
}
}
}