diff options
Diffstat (limited to 'core/io/image.cpp')
-rw-r--r-- | core/io/image.cpp | 123 |
1 files changed, 60 insertions, 63 deletions
diff --git a/core/io/image.cpp b/core/io/image.cpp index 9b41984cdd..dfba45c4e9 100644 --- a/core/io/image.cpp +++ b/core/io/image.cpp @@ -436,7 +436,7 @@ static void _convert(int p_width, int p_height, const uint8_t *p_src, uint8_t *p const uint8_t *rofs = &p_src[((y * p_width) + x) * (read_bytes + (read_alpha ? 1 : 0))]; uint8_t *wofs = &p_dst[((y * p_width) + x) * (write_bytes + (write_alpha ? 1 : 0))]; - uint8_t rgba[4]; + uint8_t rgba[4] = { 0, 0, 0, 255 }; if (read_gray) { rgba[0] = rofs[0]; @@ -454,7 +454,7 @@ static void _convert(int p_width, int p_height, const uint8_t *p_src, uint8_t *p if (write_gray) { //TODO: not correct grayscale, should use fixed point version of actual weights - wofs[0] = uint8_t((uint16_t(rofs[0]) + uint16_t(rofs[1]) + uint16_t(rofs[2])) / 3); + wofs[0] = uint8_t((uint16_t(rgba[0]) + uint16_t(rgba[1]) + uint16_t(rgba[2])) / 3); } else { for (uint32_t i = 0; i < write_bytes; i++) { wofs[i] = rgba[i]; @@ -2462,6 +2462,39 @@ Ref<Image> Image::get_rect(const Rect2 &p_area) const { return img; } +void Image::_get_clipped_src_and_dest_rects(const Ref<Image> &p_src, const Rect2i &p_src_rect, const Point2i &p_dest, Rect2i &r_clipped_src_rect, Rect2i &r_clipped_dest_rect) const { + r_clipped_dest_rect.position = p_dest; + r_clipped_src_rect = p_src_rect; + + if (r_clipped_src_rect.position.x < 0) { + r_clipped_dest_rect.position.x -= r_clipped_src_rect.position.x; + r_clipped_src_rect.size.x += r_clipped_src_rect.position.x; + r_clipped_src_rect.position.x = 0; + } + if (r_clipped_src_rect.position.y < 0) { + r_clipped_dest_rect.position.y -= r_clipped_src_rect.position.y; + r_clipped_src_rect.size.y += r_clipped_src_rect.position.y; + r_clipped_src_rect.position.y = 0; + } + + if (r_clipped_dest_rect.position.x < 0) { + r_clipped_src_rect.position.x -= r_clipped_dest_rect.position.x; + r_clipped_src_rect.size.x += r_clipped_dest_rect.position.x; + r_clipped_dest_rect.position.x = 0; + } + if (r_clipped_dest_rect.position.y < 0) { + r_clipped_src_rect.position.y -= r_clipped_dest_rect.position.y; + r_clipped_src_rect.size.y += r_clipped_dest_rect.position.y; + r_clipped_dest_rect.position.y = 0; + } + + r_clipped_src_rect.size.x = MAX(0, MIN(r_clipped_src_rect.size.x, MIN(p_src->width - r_clipped_src_rect.position.x, width - r_clipped_dest_rect.position.x))); + r_clipped_src_rect.size.y = MAX(0, MIN(r_clipped_src_rect.size.y, MIN(p_src->height - r_clipped_src_rect.position.y, height - r_clipped_dest_rect.position.y))); + + r_clipped_dest_rect.size.x = r_clipped_src_rect.size.x; + r_clipped_dest_rect.size.y = r_clipped_src_rect.size.y; +} + void Image::blit_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const Point2 &p_dest) { ERR_FAIL_COND_MSG(p_src.is_null(), "It's not a reference to a valid Image object."); int dsize = data.size(); @@ -2471,22 +2504,13 @@ void Image::blit_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const Po ERR_FAIL_COND(format != p_src->format); ERR_FAIL_COND_MSG(!_can_modify(format), "Cannot blit_rect in compressed or custom image formats."); - Rect2i clipped_src_rect = Rect2i(0, 0, p_src->width, p_src->height).intersection(p_src_rect); - - if (p_dest.x < 0) { - clipped_src_rect.position.x = ABS(p_dest.x); - } - if (p_dest.y < 0) { - clipped_src_rect.position.y = ABS(p_dest.y); - } - - if (clipped_src_rect.has_no_area()) { + Rect2i src_rect; + Rect2i dest_rect; + _get_clipped_src_and_dest_rects(p_src, p_src_rect, p_dest, src_rect, dest_rect); + if (src_rect.has_no_area() || dest_rect.has_no_area()) { return; } - Point2 src_underscan = Point2(MIN(0, p_src_rect.position.x), MIN(0, p_src_rect.position.y)); - Rect2i dest_rect = Rect2i(0, 0, width, height).intersection(Rect2i(p_dest - src_underscan, clipped_src_rect.size)); - uint8_t *wp = data.ptrw(); uint8_t *dst_data_ptr = wp; @@ -2497,8 +2521,8 @@ void Image::blit_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const Po 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; + int src_x = src_rect.position.x + j; + int src_y = src_rect.position.y + i; int dst_x = dest_rect.position.x + j; int dst_y = dest_rect.position.y + i; @@ -2526,22 +2550,13 @@ void Image::blit_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, co ERR_FAIL_COND_MSG(p_src->height != p_mask->height, "Source image height is different from mask height."); ERR_FAIL_COND(format != p_src->format); - Rect2i clipped_src_rect = Rect2i(0, 0, p_src->width, p_src->height).intersection(p_src_rect); - - if (p_dest.x < 0) { - clipped_src_rect.position.x = ABS(p_dest.x); - } - if (p_dest.y < 0) { - clipped_src_rect.position.y = ABS(p_dest.y); - } - - if (clipped_src_rect.has_no_area()) { + Rect2i src_rect; + Rect2i dest_rect; + _get_clipped_src_and_dest_rects(p_src, p_src_rect, p_dest, src_rect, dest_rect); + if (src_rect.has_no_area() || dest_rect.has_no_area()) { return; } - Point2 src_underscan = Point2(MIN(0, p_src_rect.position.x), MIN(0, p_src_rect.position.y)); - Rect2i dest_rect = Rect2i(0, 0, width, height).intersection(Rect2i(p_dest - src_underscan, clipped_src_rect.size)); - uint8_t *wp = data.ptrw(); uint8_t *dst_data_ptr = wp; @@ -2554,8 +2569,8 @@ void Image::blit_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, co 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; + int src_x = src_rect.position.x + j; + int src_y = src_rect.position.y + i; if (msk->get_pixel(src_x, src_y).a != 0) { int dst_x = dest_rect.position.x + j; @@ -2580,28 +2595,19 @@ void Image::blend_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const P ERR_FAIL_COND(srcdsize == 0); ERR_FAIL_COND(format != p_src->format); - Rect2i clipped_src_rect = Rect2i(0, 0, p_src->width, p_src->height).intersection(p_src_rect); - - if (p_dest.x < 0) { - clipped_src_rect.position.x = ABS(p_dest.x); - } - if (p_dest.y < 0) { - clipped_src_rect.position.y = ABS(p_dest.y); - } - - if (clipped_src_rect.has_no_area()) { + Rect2i src_rect; + Rect2i dest_rect; + _get_clipped_src_and_dest_rects(p_src, p_src_rect, p_dest, src_rect, dest_rect); + if (src_rect.has_no_area() || dest_rect.has_no_area()) { return; } - Point2 src_underscan = Point2(MIN(0, p_src_rect.position.x), MIN(0, p_src_rect.position.y)); - Rect2i dest_rect = Rect2i(0, 0, width, height).intersection(Rect2i(p_dest - src_underscan, clipped_src_rect.size)); - Ref<Image> img = p_src; 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; + int src_x = src_rect.position.x + j; + int src_y = src_rect.position.y + i; int dst_x = dest_rect.position.x + j; int dst_y = dest_rect.position.y + i; @@ -2629,29 +2635,20 @@ void Image::blend_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, c ERR_FAIL_COND_MSG(p_src->height != p_mask->height, "Source image height is different from mask height."); ERR_FAIL_COND(format != p_src->format); - Rect2i clipped_src_rect = Rect2i(0, 0, p_src->width, p_src->height).intersection(p_src_rect); - - if (p_dest.x < 0) { - clipped_src_rect.position.x = ABS(p_dest.x); - } - if (p_dest.y < 0) { - clipped_src_rect.position.y = ABS(p_dest.y); - } - - if (clipped_src_rect.has_no_area()) { + Rect2i src_rect; + Rect2i dest_rect; + _get_clipped_src_and_dest_rects(p_src, p_src_rect, p_dest, src_rect, dest_rect); + if (src_rect.has_no_area() || dest_rect.has_no_area()) { return; } - Point2 src_underscan = Point2(MIN(0, p_src_rect.position.x), MIN(0, p_src_rect.position.y)); - Rect2i dest_rect = Rect2i(0, 0, width, height).intersection(Rect2i(p_dest - src_underscan, clipped_src_rect.size)); - Ref<Image> img = p_src; Ref<Image> msk = p_mask; 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; + int src_x = src_rect.position.x + j; + int src_y = src_rect.position.y + i; // If the mask's pixel is transparent then we skip it //Color c = msk->get_pixel(src_x, src_y); @@ -3296,7 +3293,7 @@ Ref<Image> Image::rgbe_to_srgb() { for (int row = 0; row < height; row++) { for (int col = 0; col < width; col++) { - new_image->set_pixel(col, row, get_pixel(col, row).to_srgb()); + new_image->set_pixel(col, row, get_pixel(col, row).linear_to_srgb()); } } |