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Merge pull request #9352 from dumitru-stama/blitmaskfor30 

Added 'blit_rect_mask' for 3.0 too
This commit is contained in:
Juan Linietsky 2017-06-24 13:07:23 -03:00 committed by GitHub
parent bd2dd034a7 9ce0538ab3
commit 78468906ab
2 changed files with 58 additions and 0 deletions
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57
core/image.cpp
View File

@ -1646,6 +1646,62 @@ void Image::blit_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const Po
}
}
void Image::blit_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, const Rect2 &p_src_rect, const Point2 &p_dest) {
ERR_FAIL_COND(p_src.is_null());
ERR_FAIL_COND(p_mask.is_null());
int dsize = data.size();
int srcdsize = p_src->data.size();
int maskdsize = p_mask->data.size();
ERR_FAIL_COND(dsize == 0);
ERR_FAIL_COND(srcdsize == 0);
ERR_FAIL_COND(maskdsize == 0);
ERR_FAIL_COND(p_src->width != p_mask->width);
ERR_FAIL_COND(p_src->height != p_mask->height);
ERR_FAIL_COND(format != p_src->format);
Rect2i clipped_src_rect = Rect2i(0, 0, p_src->width, p_src->height).clip(p_src_rect);
if (clipped_src_rect.size.x <= 0 || clipped_src_rect.size.y <= 0)
return;
Rect2i dest_rect = Rect2i(0, 0, width, height).clip(Rect2i(p_dest, clipped_src_rect.size));
PoolVector<uint8_t>::Write wp = data.write();
uint8_t *dst_data_ptr = wp.ptr();
PoolVector<uint8_t>::Read rp = p_src->data.read();
const uint8_t *src_data_ptr = rp.ptr();
int pixel_size = get_format_pixel_size(format);
Ref<Image> msk = p_mask;
msk->lock();
for (int i = 0; i < dest_rect.size.y; i++) {
for (int j = 0; j < dest_rect.size.x; j++) {
int src_x = clipped_src_rect.position.x + j;
int src_y = clipped_src_rect.position.y + i;
if (msk->get_pixel(src_x, src_y).a != 0) {
int dst_x = dest_rect.position.x + j;
int dst_y = dest_rect.position.y + i;
const uint8_t *src = &src_data_ptr[(src_y * p_src->width + src_x) * pixel_size];
uint8_t *dst = &dst_data_ptr[(dst_y * width + dst_x) * pixel_size];
for (int k = 0; k < pixel_size; k++) {
dst[k] = src[k];
}
}
}
}
msk->unlock();
}
void Image::blend_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const Point2 &p_dest) {
ERR_FAIL_COND(p_src.is_null());
@ -2199,6 +2255,7 @@ void Image::_bind_methods() {
ClassDB::bind_method(D_METHOD("normalmap_to_xy"), &Image::normalmap_to_xy);
ClassDB::bind_method(D_METHOD("blit_rect", "src:Image", "src_rect", "dst"), &Image::blit_rect);
ClassDB::bind_method(D_METHOD("blit_rect_mask", "src:Image", "mask:Image", "src_rect", "dst"), &Image::blit_rect_mask);
ClassDB::bind_method(D_METHOD("blend_rect", "src:Image", "src_rect", "dst"), &Image::blend_rect);
ClassDB::bind_method(D_METHOD("blend_rect_mask", "src:Image", "mask:Image", "src_rect", "dst"), &Image::blend_rect_mask);
ClassDB::bind_method(D_METHOD("fill", "color"), &Image::fill);

1
core/image.h
View File

@ -283,6 +283,7 @@ public:
void normalmap_to_xy();
void blit_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const Point2 &p_dest);
void blit_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, const Rect2 &p_src_rect, const Point2 &p_dest);
void blend_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const Point2 &p_dest);
void blend_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, const Rect2 &p_src_rect, const Point2 &p_dest);
void fill(const Color &c);