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mouse cursor

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SpookyDervish
2026-01-29 13:34:34 +11:00
parent dc825fb6d3
commit df3f9478e8
9 changed files with 55 additions and 0 deletions
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27
kernel/src/BasicRenderer.cpp
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@@ -51,6 +51,33 @@ void BasicRenderer::Print(const char* str) {
}
}
void BasicRenderer::PutPixel(uint32_t x, uint32_t y, uint32_t colour) {
*(uint32_t*)((uint64_t)targetFramebuffer->BaseAddress + (x*4) + (y * targetFramebuffer->PixelsPerScanline * 4)) = colour;
}
void BasicRenderer::DrawOverlayMouseCursor(uint8_t* mouseCursor, Point position, uint32_t colour) {
int xMax = 16;
int yMax = 19;
int diffX = targetFramebuffer->Width - position.x;
int diffY = targetFramebuffer->Height - position.y;
if (diffX < 16) xMax = diffX;
if (diffY < 19) yMax = diffY;
for (int y = 0; y < yMax; y++) {
for (int x = 0; x < xMax; x++) {
int bit = y * 16 + x;
int byte = bit / 8;
if (mouseCursor[byte] & (0b10000000 >> (x % 8))) {
PutPixel(position.x + x, position.y + y, colour);
}
}
}
}
void BasicRenderer::Clear() {
uint64_t fbBase = (uint64_t)targetFramebuffer->BaseAddress;
uint64_t bytesPerScanline = targetFramebuffer->PixelsPerScanline * 4;