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git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@180 b9cfdab3-6d41-4d17-bbe4-086880011989
This commit is contained in:
NishiOwO
2025-10-06 10:37:08 +00:00
parent 055fddbd3a
commit 1a28f5bcda
13 changed files with 352 additions and 10 deletions
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46
src/backend/gdi.c
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@@ -319,3 +319,49 @@ void MwLLSetIcon(MwLL handle, MwLLPixmap pixmap) {
void MwLLForceRender(MwLL handle) {
InvalidateRect(handle->hWnd, NULL, FALSE);
}
void MwLLSetCursor(MwLL handle, MwCursor* image, MwCursor* mask) {
HCURSOR cursor;
BYTE* dmask = malloc((MwCursorDataHeight / 8) * MwCursorDataHeight);
BYTE* dimage = malloc((MwCursorDataHeight / 8) * MwCursorDataHeight);
int y, x;
memset(dmask, 0xff, (MwCursorDataHeight / 8) * MwCursorDataHeight);
memset(dimage, 0, (MwCursorDataHeight / 8) * MwCursorDataHeight);
for(y = 0; y < mask->height; y++) {
BYTE* l = &dmask[y * (MwCursorDataHeight / 8)];
unsigned int n = mask->data[y];
for(x = mask->width - 1; x >= 0; x--) {
l[x / 8] = l[x / 8] >> 1;
if(!(n & 1)) {
l[x / 8] |= 1 << 7;
}
n = n >> 1;
}
}
for(y = 0; y < image->height; y++) {
BYTE* l = &dimage[(y + (MwCursorDataHeight + mask->y)) * (MwCursorDataHeight / 8)];
unsigned int n = image->data[y];
for(x = image->width - 1; x >= 0; x--) {
if(n & 1) {
l[(x - mask->x) / 8] |= (1 << (7 - ((x - mask->x) % 8)));
}
n = n >> 1;
}
}
cursor = CreateCursor(GetModuleHandle(NULL), -mask->x, MwCursorDataHeight + mask->y, MwCursorDataHeight, MwCursorDataHeight, dmask, dimage);
SetClassLongPtr(handle->hWnd, GCLP_HCURSOR, (LONG_PTR)cursor);
SetCursor(cursor);
DestroyCursor(cursor);
free(dimage);
free(dmask);
}