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Add support for atlas texture on set_custom_mouse_cursor

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This commit is contained in:
Guilherme Felipe
2018-05-08 14:07:43 +00:00
parent e668757aa9
commit 8ead09342d
3 changed files with 123 additions and 24 deletions
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44
platform/windows/os_windows.cpp
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@ -2033,27 +2033,57 @@ void OS_Windows::set_cursor_shape(CursorShape p_shape) {
void OS_Windows::set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) {
if (p_cursor.is_valid()) {
Ref<Texture> texture = p_cursor;
Ref<Image> image = texture->get_data();
Ref<AtlasTexture> atlas_texture = p_cursor;
Ref<Image> image;
Size2 texture_size;
Rect2 atlas_rect;
UINT image_size = texture->get_width() * texture->get_height();
if (texture.is_valid()) {
image = texture->get_data();
}
if (!image.is_valid() && atlas_texture.is_valid()) {
texture = atlas_texture->get_atlas();
atlas_rect.size.width = texture->get_width();
atlas_rect.size.height = texture->get_height();
atlas_rect.position.x = atlas_texture->get_region().position.x;
atlas_rect.position.y = atlas_texture->get_region().position.y;
texture_size.width = atlas_texture->get_region().size.x;
texture_size.height = atlas_texture->get_region().size.y;
} else if (image.is_valid()) {
texture_size.width = texture->get_width();
texture_size.height = texture->get_height();
}
ERR_FAIL_COND(!texture.is_valid());
ERR_FAIL_COND(texture_size.width > 256 || texture_size.height > 256);
image = texture->get_data();
UINT image_size = texture_size.width * texture_size.height;
UINT size = sizeof(UINT) * image_size;
ERR_FAIL_COND(texture->get_width() > 256 || texture->get_height() > 256);
// Create the BITMAP with alpha channel
COLORREF *buffer = (COLORREF *)malloc(sizeof(COLORREF) * image_size);
image->lock();
for (UINT index = 0; index < image_size; index++) {
int row_index = floor(index / texture->get_width());
int column_index = index % texture->get_width();
int row_index = floor(index / texture_size.width) + atlas_rect.position.y;
int column_index = (index % int(texture_size.width)) + atlas_rect.position.x;
if (atlas_texture.is_valid()) {
column_index = MIN(column_index, atlas_rect.size.width - 1);
row_index = MIN(row_index, atlas_rect.size.height - 1);
}
*(buffer + index) = image->get_pixel(column_index, row_index).to_argb32();
}
image->unlock();
// Using 4 channels, so 4 * 8 bits
HBITMAP bitmap = CreateBitmap(texture->get_width(), texture->get_height(), 1, 4 * 8, buffer);
HBITMAP bitmap = CreateBitmap(texture_size.width, texture_size.height, 1, 4 * 8, buffer);
COLORREF clrTransparent = -1;
// Create the AND and XOR masks for the bitmap