diff options
Diffstat (limited to 'core/io/image.cpp')
-rw-r--r-- | core/io/image.cpp | 169 |
1 files changed, 93 insertions, 76 deletions
diff --git a/core/io/image.cpp b/core/io/image.cpp index fad9942017..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]; @@ -1944,12 +1944,15 @@ Vector<uint8_t> Image::get_data() const { } void Image::create(int p_width, int p_height, bool p_use_mipmaps, Format p_format) { - ERR_FAIL_COND_MSG(p_width <= 0, "Image width must be greater than 0."); - ERR_FAIL_COND_MSG(p_height <= 0, "Image height must be greater than 0."); - ERR_FAIL_COND_MSG(p_width > MAX_WIDTH, "Image width cannot be greater than " + itos(MAX_WIDTH) + "."); - ERR_FAIL_COND_MSG(p_height > MAX_HEIGHT, "Image height cannot be greater than " + itos(MAX_HEIGHT) + "."); - ERR_FAIL_COND_MSG(p_width * p_height > MAX_PIXELS, "Too many pixels for image, maximum is " + itos(MAX_PIXELS)); - ERR_FAIL_INDEX_MSG(p_format, FORMAT_MAX, "Image format out of range, please see Image's Format enum."); + ERR_FAIL_COND_MSG(p_width <= 0, "The Image width specified (" + itos(p_width) + " pixels) must be greater than 0 pixels."); + ERR_FAIL_COND_MSG(p_height <= 0, "The Image height specified (" + itos(p_height) + " pixels) must be greater than 0 pixels."); + ERR_FAIL_COND_MSG(p_width > MAX_WIDTH, + "The Image width specified (" + itos(p_width) + " pixels) cannot be greater than " + itos(MAX_WIDTH) + "pixels."); + ERR_FAIL_COND_MSG(p_height > MAX_HEIGHT, + "The Image height specified (" + itos(p_height) + " pixels) cannot be greater than " + itos(MAX_HEIGHT) + "pixels."); + ERR_FAIL_COND_MSG(p_width * p_height > MAX_PIXELS, + "Too many pixels for Image. Maximum is " + itos(MAX_WIDTH) + "x" + itos(MAX_HEIGHT) + " = " + itos(MAX_PIXELS) + "pixels."); + ERR_FAIL_INDEX_MSG(p_format, FORMAT_MAX, "The Image format specified (" + itos(p_format) + ") is out of range. See Image's Format enum."); int mm = 0; int size = _get_dst_image_size(p_width, p_height, p_format, mm, p_use_mipmaps ? -1 : 0); @@ -1967,17 +1970,34 @@ void Image::create(int p_width, int p_height, bool p_use_mipmaps, Format p_forma } void Image::create(int p_width, int p_height, bool p_use_mipmaps, Format p_format, const Vector<uint8_t> &p_data) { - ERR_FAIL_COND_MSG(p_width <= 0, "Image width must be greater than 0."); - ERR_FAIL_COND_MSG(p_height <= 0, "Image height must be greater than 0."); - ERR_FAIL_COND_MSG(p_width > MAX_WIDTH, "Image width cannot be greater than " + itos(MAX_WIDTH) + "."); - ERR_FAIL_COND_MSG(p_height > MAX_HEIGHT, "Image height cannot be greater than " + itos(MAX_HEIGHT) + "."); - ERR_FAIL_COND_MSG(p_width * p_height > MAX_PIXELS, "Too many pixels for image, maximum is " + itos(MAX_PIXELS)); - ERR_FAIL_INDEX_MSG(p_format, FORMAT_MAX, "Image format out of range, please see Image's Format enum."); + ERR_FAIL_COND_MSG(p_width <= 0, "The Image width specified (" + itos(p_width) + " pixels) must be greater than 0 pixels."); + ERR_FAIL_COND_MSG(p_height <= 0, "The Image height specified (" + itos(p_height) + " pixels) must be greater than 0 pixels."); + ERR_FAIL_COND_MSG(p_width > MAX_WIDTH, + "The Image width specified (" + itos(p_width) + " pixels) cannot be greater than " + itos(MAX_WIDTH) + " pixels."); + ERR_FAIL_COND_MSG(p_height > MAX_HEIGHT, + "The Image height specified (" + itos(p_height) + " pixels) cannot be greater than " + itos(MAX_HEIGHT) + " pixels."); + ERR_FAIL_COND_MSG(p_width * p_height > MAX_PIXELS, + "Too many pixels for Image. Maximum is " + itos(MAX_WIDTH) + "x" + itos(MAX_HEIGHT) + " = " + itos(MAX_PIXELS) + "pixels ."); + ERR_FAIL_INDEX_MSG(p_format, FORMAT_MAX, "The Image format specified (" + itos(p_format) + ") is out of range. See Image's Format enum."); int mm; int size = _get_dst_image_size(p_width, p_height, p_format, mm, p_use_mipmaps ? -1 : 0); - ERR_FAIL_COND_MSG(p_data.size() != size, "Expected data size of " + itos(size) + " bytes in Image::create(), got instead " + itos(p_data.size()) + " bytes."); + if (unlikely(p_data.size() != size)) { + String description_mipmaps; + if (p_use_mipmaps) { + const int num_mipmaps = get_image_required_mipmaps(p_width, p_height, p_format); + if (num_mipmaps != 1) { + description_mipmaps = vformat("with %d mipmaps", num_mipmaps); + } else { + description_mipmaps = "with 1 mipmap"; + } + } else { + description_mipmaps = "without mipmaps"; + } + const String description = vformat("%dx%dx%d (%s)", p_width, p_height, get_format_pixel_size(p_format), description_mipmaps); + ERR_FAIL_MSG(vformat("Expected Image data size of %s = %d bytes, got %d bytes instead.", description, size, p_data.size())); + } height = p_height; width = p_width; @@ -2442,6 +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(); @@ -2451,22 +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; @@ -2477,8 +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; @@ -2506,22 +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; @@ -2534,8 +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; @@ -2560,28 +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; @@ -2609,29 +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); @@ -3276,7 +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()); } } |