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graphics: draw mouse cursor with hotspot

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This commit is contained in:
Edgaru089 2021-10-10 23:49:50 +08:00
parent d6ae83b0a8
commit 1fa1a088ab
1 changed files with 6 additions and 6 deletions
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12
graphics/graphics.c
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@ -175,15 +175,15 @@ void graphics_SwapBuffer() {
min(graphics_Cursor->width, graphics_SystemVideoMode.Width - graphics_MouseCursorX) * 4);
}
} else {*/
for (int y = 0; y < graphics_Cursor->height; y++) {
if (graphics_MouseCursorY + y >= graphics_SystemVideoMode.Height)
break;
for (int x = 0; x < min(graphics_Cursor->width, graphics_SystemVideoMode.Width - graphics_MouseCursorX); x++) {
int imgX = graphics_MouseCursorX - graphics_Cursor->xhot + 1;
int imgY = graphics_MouseCursorY - graphics_Cursor->yhot + 1;
for (int y = intmax(imgY, 0); y < intmin(imgY + graphics_Cursor->height, graphics_SystemVideoMode.Height); y++) {
for (int x = intmax(imgX, 0); x < intmin(imgX + graphics_Cursor->width, graphics_SystemVideoMode.Width); x++) {
//graphics_SetPixel_RGB(x + graphics_MouseCursorX, y + graphics_MouseCursorY, &graphics_Cursor->pixels[y * graphics_Cursor->width + x]);
HelosGraphics_Color *pixel = &graphics_Cursor->pixels[y * graphics_Cursor->width + x];
HelosGraphics_Color *pixel = &graphics_Cursor->pixels[(y - imgY) * graphics_Cursor->width + (x - imgX)];
if (pixel->A <= 0x7f)
continue;
*((uint32_t *)(graphics_DeviceFramebuffer + graphics_SystemVideoMode.PixelsPerLine * 4 * (y + graphics_MouseCursorY) + 4 * (x + graphics_MouseCursorX))) = (*((uint32_t *)&graphics_Cursor->pixels[y * graphics_Cursor->width + x])) & 0x00ffffffu;
*((uint32_t *)(graphics_DeviceFramebuffer + graphics_SystemVideoMode.PixelsPerLine * 4 * y + 4 * x)) = (*((uint32_t *)pixel)) & 0x00ffffffu;
}
}
//}