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-rw-r--r--core/io/image.cpp247
1 files changed, 220 insertions, 27 deletions
diff --git a/core/io/image.cpp b/core/io/image.cpp
index 661a9f7177..0f20aabd7e 100644
--- a/core/io/image.cpp
+++ b/core/io/image.cpp
@@ -81,9 +81,15 @@ const char *Image::format_names[Image::FORMAT_MAX] = {
};
SavePNGFunc Image::save_png_func = nullptr;
+SaveJPGFunc Image::save_jpg_func = nullptr;
SaveEXRFunc Image::save_exr_func = nullptr;
SavePNGBufferFunc Image::save_png_buffer_func = nullptr;
+SaveEXRBufferFunc Image::save_exr_buffer_func = nullptr;
+SaveJPGBufferFunc Image::save_jpg_buffer_func = nullptr;
+
+SaveWebPFunc Image::save_webp_func = nullptr;
+SaveWebPBufferFunc Image::save_webp_buffer_func = nullptr;
void Image::_put_pixelb(int p_x, int p_y, uint32_t p_pixel_size, uint8_t *p_data, const uint8_t *p_pixel) {
uint32_t ofs = (p_y * width + p_x) * p_pixel_size;
@@ -436,7 +442,7 @@ 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 +460,7 @@ 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];
@@ -1333,6 +1339,108 @@ void Image::crop(int p_width, int p_height) {
crop_from_point(0, 0, p_width, p_height);
}
+void Image::rotate_90(ClockDirection p_direction) {
+ ERR_FAIL_COND_MSG(!_can_modify(format), "Cannot rotate in compressed or custom image formats.");
+ ERR_FAIL_COND_MSG(width <= 1, "The Image width specified (" + itos(width) + " pixels) must be greater than 1 pixels.");
+ ERR_FAIL_COND_MSG(height <= 1, "The Image height specified (" + itos(height) + " pixels) must be greater than 1 pixels.");
+
+ int saved_width = height;
+ int saved_height = width;
+
+ if (width != height) {
+ int n = MAX(width, height);
+ resize(n, n, INTERPOLATE_NEAREST);
+ }
+
+ bool used_mipmaps = has_mipmaps();
+ if (used_mipmaps) {
+ clear_mipmaps();
+ }
+
+ {
+ uint8_t *w = data.ptrw();
+ uint8_t src[16];
+ uint8_t dst[16];
+ uint32_t pixel_size = get_format_pixel_size(format);
+
+ // Flip.
+
+ if (p_direction == CLOCKWISE) {
+ for (int y = 0; y < height / 2; y++) {
+ for (int x = 0; x < width; x++) {
+ _get_pixelb(x, y, pixel_size, w, src);
+ _get_pixelb(x, height - y - 1, pixel_size, w, dst);
+
+ _put_pixelb(x, height - y - 1, pixel_size, w, src);
+ _put_pixelb(x, y, pixel_size, w, dst);
+ }
+ }
+ } else {
+ for (int y = 0; y < height; y++) {
+ for (int x = 0; x < width / 2; x++) {
+ _get_pixelb(x, y, pixel_size, w, src);
+ _get_pixelb(width - x - 1, y, pixel_size, w, dst);
+
+ _put_pixelb(width - x - 1, y, pixel_size, w, src);
+ _put_pixelb(x, y, pixel_size, w, dst);
+ }
+ }
+ }
+
+ // Transpose.
+
+ for (int y = 0; y < height; y++) {
+ for (int x = 0; x < width; x++) {
+ if (x < y) {
+ _get_pixelb(x, y, pixel_size, w, src);
+ _get_pixelb(y, x, pixel_size, w, dst);
+
+ _put_pixelb(y, x, pixel_size, w, src);
+ _put_pixelb(x, y, pixel_size, w, dst);
+ }
+ }
+ }
+ }
+
+ if (saved_width != saved_height) {
+ resize(saved_width, saved_height, INTERPOLATE_NEAREST);
+ } else if (used_mipmaps) {
+ generate_mipmaps();
+ }
+}
+
+void Image::rotate_180() {
+ ERR_FAIL_COND_MSG(!_can_modify(format), "Cannot rotate in compressed or custom image formats.");
+ ERR_FAIL_COND_MSG(width <= 1, "The Image width specified (" + itos(width) + " pixels) must be greater than 1 pixels.");
+ ERR_FAIL_COND_MSG(height <= 1, "The Image height specified (" + itos(height) + " pixels) must be greater than 1 pixels.");
+
+ bool used_mipmaps = has_mipmaps();
+ if (used_mipmaps) {
+ clear_mipmaps();
+ }
+
+ {
+ uint8_t *w = data.ptrw();
+ uint8_t src[16];
+ uint8_t dst[16];
+ uint32_t pixel_size = get_format_pixel_size(format);
+
+ for (int y = 0; y < height / 2; y++) {
+ for (int x = 0; x < width; x++) {
+ _get_pixelb(x, y, pixel_size, w, src);
+ _get_pixelb(width - x - 1, height - y - 1, pixel_size, w, dst);
+
+ _put_pixelb(width - x - 1, height - y - 1, pixel_size, w, src);
+ _put_pixelb(x, y, pixel_size, w, dst);
+ }
+ }
+ }
+
+ if (used_mipmaps) {
+ generate_mipmaps();
+ }
+}
+
void Image::flip_y() {
ERR_FAIL_COND_MSG(!_can_modify(format), "Cannot flip_y in compressed or custom image formats.");
@@ -1944,12 +2052,15 @@ 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 +2078,34 @@ 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;
@@ -2258,6 +2386,21 @@ Error Image::load(const String &p_path) {
return ImageLoader::load_image(p_path, this);
}
+Ref<Image> Image::load_from_file(const String &p_path) {
+#ifdef DEBUG_ENABLED
+ if (p_path.begins_with("res://") && ResourceLoader::exists(p_path)) {
+ WARN_PRINT("Loaded resource as image file, this will not work on export: '" + p_path + "'. Instead, import the image file as an Image resource and load it normally as a resource.");
+ }
+#endif
+ Ref<Image> image;
+ image.instantiate();
+ Error err = ImageLoader::load_image(p_path, image);
+ if (err != OK) {
+ ERR_FAIL_V_MSG(Ref<Image>(), vformat("Failed to load image. Error %d", err));
+ }
+ return image;
+}
+
Error Image::save_png(const String &p_path) const {
if (save_png_func == nullptr) {
return ERR_UNAVAILABLE;
@@ -2266,6 +2409,14 @@ Error Image::save_png(const String &p_path) const {
return save_png_func(p_path, Ref<Image>((Image *)this));
}
+Error Image::save_jpg(const String &p_path, float p_quality) const {
+ if (save_jpg_func == nullptr) {
+ return ERR_UNAVAILABLE;
+ }
+
+ return save_jpg_func(p_path, Ref<Image>((Image *)this), p_quality);
+}
+
Vector<uint8_t> Image::save_png_to_buffer() const {
if (save_png_buffer_func == nullptr) {
return Vector<uint8_t>();
@@ -2274,6 +2425,14 @@ Vector<uint8_t> Image::save_png_to_buffer() const {
return save_png_buffer_func(Ref<Image>((Image *)this));
}
+Vector<uint8_t> Image::save_jpg_to_buffer(float p_quality) const {
+ if (save_jpg_buffer_func == nullptr) {
+ return Vector<uint8_t>();
+ }
+
+ return save_jpg_buffer_func(Ref<Image>((Image *)this), p_quality);
+}
+
Error Image::save_exr(const String &p_path, bool p_grayscale) const {
if (save_exr_func == nullptr) {
return ERR_UNAVAILABLE;
@@ -2282,6 +2441,31 @@ Error Image::save_exr(const String &p_path, bool p_grayscale) const {
return save_exr_func(p_path, Ref<Image>((Image *)this), p_grayscale);
}
+Vector<uint8_t> Image::save_exr_to_buffer(bool p_grayscale) const {
+ if (save_exr_buffer_func == nullptr) {
+ return Vector<uint8_t>();
+ }
+ return save_exr_buffer_func(Ref<Image>((Image *)this), p_grayscale);
+}
+
+Error Image::save_webp(const String &p_path, const bool p_lossy, const float p_quality) const {
+ if (save_webp_func == nullptr) {
+ return ERR_UNAVAILABLE;
+ }
+ ERR_FAIL_COND_V_MSG(p_lossy && !(0.0f <= p_quality && p_quality <= 1.0f), ERR_INVALID_PARAMETER, "The WebP lossy quality was set to " + rtos(p_quality) + ", which is not valid. WebP lossy quality must be between 0.0 and 1.0 (inclusive).");
+
+ return save_webp_func(p_path, Ref<Image>((Image *)this), p_lossy, p_quality);
+}
+
+Vector<uint8_t> Image::save_webp_to_buffer(const bool p_lossy, const float p_quality) const {
+ if (save_webp_buffer_func == nullptr) {
+ return Vector<uint8_t>();
+ }
+ ERR_FAIL_COND_V_MSG(p_lossy && !(0.0f <= p_quality && p_quality <= 1.0f), Vector<uint8_t>(), "The WebP lossy quality was set to " + rtos(p_quality) + ", which is not valid. WebP lossy quality must be between 0.0 and 1.0 (inclusive).");
+
+ return save_webp_buffer_func(Ref<Image>((Image *)this), p_lossy, p_quality);
+}
+
int Image::get_image_data_size(int p_width, int p_height, Format p_format, bool p_mipmaps) {
int mm;
return _get_dst_image_size(p_width, p_height, p_format, mm, p_mipmaps ? -1 : 0);
@@ -2396,15 +2580,15 @@ Image::Image(int p_width, int p_height, bool p_mipmaps, Format p_format, const V
create(p_width, p_height, p_mipmaps, p_format, p_data);
}
-Rect2 Image::get_used_rect() const {
+Rect2i Image::get_used_rect() const {
if (format != FORMAT_LA8 && format != FORMAT_RGBA8 && format != FORMAT_RGBAF && format != FORMAT_RGBAH && format != FORMAT_RGBA4444 && format != FORMAT_RGB565) {
- return Rect2(Point2(), Size2(width, height));
+ return Rect2i(0, 0, width, height);
}
int len = data.size();
if (len == 0) {
- return Rect2();
+ return Rect2i();
}
int minx = 0xFFFFFF, miny = 0xFFFFFFF;
@@ -2430,15 +2614,15 @@ Rect2 Image::get_used_rect() const {
}
if (maxx == -1) {
- return Rect2();
+ return Rect2i();
} else {
- return Rect2(minx, miny, maxx - minx + 1, maxy - miny + 1);
+ return Rect2i(minx, miny, maxx - minx + 1, maxy - miny + 1);
}
}
-Ref<Image> Image::get_rect(const Rect2 &p_area) const {
+Ref<Image> Image::get_rect(const Rect2i &p_area) const {
Ref<Image> img = memnew(Image(p_area.size.x, p_area.size.y, mipmaps, format));
- img->blit_rect(Ref<Image>((Image *)this), p_area, Point2(0, 0));
+ img->blit_rect(Ref<Image>((Image *)this), p_area, Point2i(0, 0));
return img;
}
@@ -2475,7 +2659,7 @@ void Image::_get_clipped_src_and_dest_rects(const Ref<Image> &p_src, const Rect2
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) {
+void Image::blit_rect(const Ref<Image> &p_src, const Rect2i &p_src_rect, const Point2i &p_dest) {
ERR_FAIL_COND_MSG(p_src.is_null(), "It's not a reference to a valid Image object.");
int dsize = data.size();
int srcdsize = p_src->data.size();
@@ -2517,7 +2701,7 @@ 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) {
+void Image::blit_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, const Rect2i &p_src_rect, const Point2i &p_dest) {
ERR_FAIL_COND_MSG(p_src.is_null(), "It's not a reference to a valid Image object.");
ERR_FAIL_COND_MSG(p_mask.is_null(), "It's not a reference to a valid Image object.");
int dsize = data.size();
@@ -2567,7 +2751,7 @@ void Image::blit_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, co
}
}
-void Image::blend_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const Point2 &p_dest) {
+void Image::blend_rect(const Ref<Image> &p_src, const Rect2i &p_src_rect, const Point2i &p_dest) {
ERR_FAIL_COND_MSG(p_src.is_null(), "It's not a reference to a valid Image object.");
int dsize = data.size();
int srcdsize = p_src->data.size();
@@ -2602,7 +2786,7 @@ void Image::blend_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const P
}
}
-void Image::blend_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, const Rect2 &p_src_rect, const Point2 &p_dest) {
+void Image::blend_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, const Rect2i &p_src_rect, const Point2i &p_dest) {
ERR_FAIL_COND_MSG(p_src.is_null(), "It's not a reference to a valid Image object.");
ERR_FAIL_COND_MSG(p_mask.is_null(), "It's not a reference to a valid Image object.");
int dsize = data.size();
@@ -2674,7 +2858,7 @@ void Image::fill(const Color &p_color) {
_repeat_pixel_over_subsequent_memory(dst_data_ptr, pixel_size, width * height);
}
-void Image::fill_rect(const Rect2 &p_rect, const Color &p_color) {
+void Image::fill_rect(const Rect2i &p_rect, const Color &p_color) {
ERR_FAIL_COND_MSG(!_can_modify(format), "Cannot fill rect in compressed or custom image formats.");
Rect2i r = Rect2i(0, 0, width, height).intersection(p_rect.abs());
@@ -3116,9 +3300,15 @@ void Image::_bind_methods() {
ClassDB::bind_method(D_METHOD("is_empty"), &Image::is_empty);
ClassDB::bind_method(D_METHOD("load", "path"), &Image::load);
+ ClassDB::bind_static_method("Image", D_METHOD("load_from_file", "path"), &Image::load_from_file);
ClassDB::bind_method(D_METHOD("save_png", "path"), &Image::save_png);
ClassDB::bind_method(D_METHOD("save_png_to_buffer"), &Image::save_png_to_buffer);
+ ClassDB::bind_method(D_METHOD("save_jpg", "path", "quality"), &Image::save_jpg, DEFVAL(0.75));
+ ClassDB::bind_method(D_METHOD("save_jpg_to_buffer", "quality"), &Image::save_jpg_to_buffer, DEFVAL(0.75));
ClassDB::bind_method(D_METHOD("save_exr", "path", "grayscale"), &Image::save_exr, DEFVAL(false));
+ ClassDB::bind_method(D_METHOD("save_exr_to_buffer", "grayscale"), &Image::save_exr_to_buffer, DEFVAL(false));
+ ClassDB::bind_method(D_METHOD("save_webp", "path", "lossy", "quality"), &Image::save_webp, DEFVAL(false), DEFVAL(0.75f));
+ ClassDB::bind_method(D_METHOD("save_webp_to_buffer", "lossy", "quality"), &Image::save_webp_to_buffer, DEFVAL(false), DEFVAL(0.75f));
ClassDB::bind_method(D_METHOD("detect_alpha"), &Image::detect_alpha);
ClassDB::bind_method(D_METHOD("is_invisible"), &Image::is_invisible);
@@ -3129,6 +3319,9 @@ void Image::_bind_methods() {
ClassDB::bind_method(D_METHOD("decompress"), &Image::decompress);
ClassDB::bind_method(D_METHOD("is_compressed"), &Image::is_compressed);
+ ClassDB::bind_method(D_METHOD("rotate_90", "direction"), &Image::rotate_90);
+ ClassDB::bind_method(D_METHOD("rotate_180"), &Image::rotate_180);
+
ClassDB::bind_method(D_METHOD("fix_alpha_edges"), &Image::fix_alpha_edges);
ClassDB::bind_method(D_METHOD("premultiply_alpha"), &Image::premultiply_alpha);
ClassDB::bind_method(D_METHOD("srgb_to_linear"), &Image::srgb_to_linear);