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-rw-r--r--core/io/image.cpp426
1 files changed, 331 insertions, 95 deletions
diff --git a/core/io/image.cpp b/core/io/image.cpp
index 473d70bd7c..9408a9c103 100644
--- a/core/io/image.cpp
+++ b/core/io/image.cpp
@@ -1,32 +1,32 @@
-/*************************************************************************/
-/* image.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
-/* */
-/* Permission is hereby granted, free of charge, to any person obtaining */
-/* a copy of this software and associated documentation files (the */
-/* "Software"), to deal in the Software without restriction, including */
-/* without limitation the rights to use, copy, modify, merge, publish, */
-/* distribute, sublicense, and/or sell copies of the Software, and to */
-/* permit persons to whom the Software is furnished to do so, subject to */
-/* the following conditions: */
-/* */
-/* The above copyright notice and this permission notice shall be */
-/* included in all copies or substantial portions of the Software. */
-/* */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
-/*************************************************************************/
+/**************************************************************************/
+/* image.cpp */
+/**************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/**************************************************************************/
#include "image.h"
@@ -173,6 +173,14 @@ int Image::get_format_pixel_size(Format p_format) {
return 1;
case FORMAT_DXT5_RA_AS_RG:
return 1;
+ case FORMAT_ASTC_4x4:
+ return 1;
+ case FORMAT_ASTC_4x4_HDR:
+ return 1;
+ case FORMAT_ASTC_8x8:
+ return 1;
+ case FORMAT_ASTC_8x8_HDR:
+ return 1;
case FORMAT_MAX: {
}
}
@@ -213,7 +221,18 @@ void Image::get_format_min_pixel_size(Format p_format, int &r_w, int &r_h) {
r_h = 4;
} break;
+ case FORMAT_ASTC_4x4:
+ case FORMAT_ASTC_4x4_HDR: {
+ r_w = 4;
+ r_h = 4;
+ } break;
+ case FORMAT_ASTC_8x8:
+ case FORMAT_ASTC_8x8_HDR: {
+ r_w = 8;
+ r_h = 8;
+
+ } break;
default: {
r_w = 1;
r_h = 1;
@@ -222,7 +241,9 @@ void Image::get_format_min_pixel_size(Format p_format, int &r_w, int &r_h) {
}
int Image::get_format_pixel_rshift(Format p_format) {
- if (p_format == FORMAT_DXT1 || p_format == FORMAT_RGTC_R || p_format == FORMAT_ETC || p_format == FORMAT_ETC2_R11 || p_format == FORMAT_ETC2_R11S || p_format == FORMAT_ETC2_RGB8 || p_format == FORMAT_ETC2_RGB8A1) {
+ if (p_format == FORMAT_ASTC_8x8) {
+ return 2;
+ } else if (p_format == FORMAT_DXT1 || p_format == FORMAT_RGTC_R || p_format == FORMAT_ETC || p_format == FORMAT_ETC2_R11 || p_format == FORMAT_ETC2_R11S || p_format == FORMAT_ETC2_RGB8 || p_format == FORMAT_ETC2_RGB8A1) {
return 1;
} else {
return 0;
@@ -260,6 +281,14 @@ int Image::get_format_block_size(Format p_format) {
{
return 4;
}
+ case FORMAT_ASTC_4x4:
+ case FORMAT_ASTC_4x4_HDR: {
+ return 4;
+ }
+ case FORMAT_ASTC_8x8:
+ case FORMAT_ASTC_8x8_HDR: {
+ return 8;
+ }
default: {
}
}
@@ -416,8 +445,8 @@ int Image::get_height() const {
return height;
}
-Vector2 Image::get_size() const {
- return Vector2(width, height);
+Size2i Image::get_size() const {
+ return Size2i(width, height);
}
bool Image::has_mipmaps() const {
@@ -444,7 +473,7 @@ static void _convert(int p_width, int p_height, const uint8_t *p_src, uint8_t *p
uint8_t rgba[4] = { 0, 0, 0, 255 };
- if (read_gray) {
+ if constexpr (read_gray) {
rgba[0] = rofs[0];
rgba[1] = rofs[0];
rgba[2] = rofs[0];
@@ -454,11 +483,11 @@ static void _convert(int p_width, int p_height, const uint8_t *p_src, uint8_t *p
}
}
- if (read_alpha || write_alpha) {
+ if constexpr (read_alpha || write_alpha) {
rgba[3] = read_alpha ? rofs[read_bytes] : 255;
}
- if (write_gray) {
+ if constexpr (write_gray) {
//TODO: not correct grayscale, should use fixed point version of actual weights
wofs[0] = uint8_t((uint16_t(rgba[0]) + uint16_t(rgba[1]) + uint16_t(rgba[2])) / 3);
} else {
@@ -467,7 +496,7 @@ static void _convert(int p_width, int p_height, const uint8_t *p_src, uint8_t *p
}
}
- if (write_alpha) {
+ if constexpr (write_alpha) {
wofs[write_bytes] = rgba[3];
}
}
@@ -640,7 +669,7 @@ static void _scale_cubic(const uint8_t *__restrict p_src, uint8_t *__restrict p_
double xfac = (double)width / p_dst_width;
double yfac = (double)height / p_dst_height;
// coordinates of source points and coefficients
- double ox, oy, dx, dy, k1, k2;
+ double ox, oy, dx, dy;
int ox1, oy1, ox2, oy2;
// destination pixel values
// width and height decreased by 1
@@ -671,7 +700,7 @@ static void _scale_cubic(const uint8_t *__restrict p_src, uint8_t *__restrict p_
for (int n = -1; n < 3; n++) {
// get Y coefficient
- k1 = _bicubic_interp_kernel(dy - (double)n);
+ [[maybe_unused]] double k1 = _bicubic_interp_kernel(dy - (double)n);
oy2 = oy1 + n;
if (oy2 < 0) {
@@ -683,7 +712,7 @@ static void _scale_cubic(const uint8_t *__restrict p_src, uint8_t *__restrict p_
for (int m = -1; m < 3; m++) {
// get X coefficient
- k2 = k1 * _bicubic_interp_kernel((double)m - dx);
+ [[maybe_unused]] double k2 = k1 * _bicubic_interp_kernel((double)m - dx);
ox2 = ox1 + m;
if (ox2 < 0) {
@@ -697,7 +726,7 @@ static void _scale_cubic(const uint8_t *__restrict p_src, uint8_t *__restrict p_
const T *__restrict p = ((T *)p_src) + (oy2 * p_src_width + ox2) * CC;
for (int i = 0; i < CC; i++) {
- if (sizeof(T) == 2) { //half float
+ if constexpr (sizeof(T) == 2) { //half float
color[i] = Math::half_to_float(p[i]);
} else {
color[i] += p[i] * k2;
@@ -707,9 +736,9 @@ static void _scale_cubic(const uint8_t *__restrict p_src, uint8_t *__restrict p_
}
for (int i = 0; i < CC; i++) {
- if (sizeof(T) == 1) { //byte
+ if constexpr (sizeof(T) == 1) { //byte
dst[i] = CLAMP(Math::fast_ftoi(color[i]), 0, 255);
- } else if (sizeof(T) == 2) { //half float
+ } else if constexpr (sizeof(T) == 2) { //half float
dst[i] = Math::make_half_float(color[i]);
} else {
dst[i] = color[i];
@@ -758,7 +787,7 @@ static void _scale_bilinear(const uint8_t *__restrict p_src, uint8_t *__restrict
src_xofs_right *= CC;
for (uint32_t l = 0; l < CC; l++) {
- if (sizeof(T) == 1) { //uint8
+ if constexpr (sizeof(T) == 1) { //uint8
uint32_t p00 = p_src[y_ofs_up + src_xofs_left + l] << FRAC_BITS;
uint32_t p10 = p_src[y_ofs_up + src_xofs_right + l] << FRAC_BITS;
uint32_t p01 = p_src[y_ofs_down + src_xofs_left + l] << FRAC_BITS;
@@ -769,7 +798,7 @@ static void _scale_bilinear(const uint8_t *__restrict p_src, uint8_t *__restrict
uint32_t interp = interp_up + (((interp_down - interp_up) * src_yofs_frac) >> FRAC_BITS);
interp >>= FRAC_BITS;
p_dst[i * p_dst_width * CC + j * CC + l] = uint8_t(interp);
- } else if (sizeof(T) == 2) { //half float
+ } else if constexpr (sizeof(T) == 2) { //half float
float xofs_frac = float(src_xofs_frac) / (1 << FRAC_BITS);
float yofs_frac = float(src_yofs_frac) / (1 << FRAC_BITS);
@@ -786,7 +815,7 @@ static void _scale_bilinear(const uint8_t *__restrict p_src, uint8_t *__restrict
float interp = interp_up + ((interp_down - interp_up) * yofs_frac);
dst[i * p_dst_width * CC + j * CC + l] = Math::make_half_float(interp);
- } else if (sizeof(T) == 4) { //float
+ } else if constexpr (sizeof(T) == 4) { //float
float xofs_frac = float(src_xofs_frac) / (1 << FRAC_BITS);
float yofs_frac = float(src_yofs_frac) / (1 << FRAC_BITS);
@@ -877,7 +906,7 @@ static void _scale_lanczos(const uint8_t *__restrict p_src, uint8_t *__restrict
const T *__restrict src_data = ((const T *)p_src) + (buffer_y * src_width + target_x) * CC;
for (uint32_t i = 0; i < CC; i++) {
- if (sizeof(T) == 2) { //half float
+ if constexpr (sizeof(T) == 2) { //half float
pixel[i] += Math::half_to_float(src_data[i]) * lanczos_val;
} else {
pixel[i] += src_data[i] * lanczos_val;
@@ -934,9 +963,9 @@ static void _scale_lanczos(const uint8_t *__restrict p_src, uint8_t *__restrict
for (uint32_t i = 0; i < CC; i++) {
pixel[i] /= weight;
- if (sizeof(T) == 1) { //byte
+ if constexpr (sizeof(T) == 1) { //byte
dst_data[i] = CLAMP(Math::fast_ftoi(pixel[i]), 0, 255);
- } else if (sizeof(T) == 2) { //half float
+ } else if constexpr (sizeof(T) == 2) { //half float
dst_data[i] = Math::make_half_float(pixel[i]);
} else { // float
dst_data[i] = pixel[i];
@@ -982,7 +1011,7 @@ void Image::resize_to_po2(bool p_square, Interpolation p_interpolation) {
}
void Image::resize(int p_width, int p_height, Interpolation p_interpolation) {
- ERR_FAIL_COND_MSG(data.size() == 0, "Cannot resize image before creating it, use create() or create_from_data() first.");
+ ERR_FAIL_COND_MSG(data.size() == 0, "Cannot resize image before creating it, use set_data() first.");
ERR_FAIL_COND_MSG(!_can_modify(format), "Cannot resize in compressed or custom image formats.");
bool mipmap_aware = p_interpolation == INTERPOLATE_TRILINEAR /* || p_interpolation == INTERPOLATE_TRICUBIC */;
@@ -1017,7 +1046,7 @@ void Image::resize(int p_width, int p_height, Interpolation p_interpolation) {
}
bool interpolate_mipmaps = mipmap_aware && mip1 != mip2;
if (interpolate_mipmaps) {
- dst2.create(p_width, p_height, false, format);
+ dst2.initialize_data(p_width, p_height, false, format);
}
bool had_mipmaps = mipmaps;
@@ -1339,6 +1368,158 @@ 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 <= 0, "The Image width specified (" + itos(width) + " pixels) must be greater than 0 pixels.");
+ ERR_FAIL_COND_MSG(height <= 0, "The Image height specified (" + itos(height) + " pixels) must be greater than 0 pixels.");
+
+ bool used_mipmaps = has_mipmaps();
+ if (used_mipmaps) {
+ clear_mipmaps();
+ }
+
+ // In-place 90 degrees rotation by following the permutation cycles.
+ {
+ // Explanation by example (clockwise):
+ //
+ // abc da
+ // def -> eb
+ // fc
+ //
+ // In memory:
+ // 012345 012345
+ // abcdef -> daebfc
+ //
+ // Permutation cycles:
+ // (0 --a--> 1 --b--> 3 --d--> 0)
+ // (2 --c--> 5 --f--> 4 --e--> 2)
+ //
+ // Applying cycles (backwards):
+ // 0->s s=a (store)
+ // 3->0 abcdef -> dbcdef
+ // 1->3 dbcdef -> dbcbef
+ // s->1 dbcbef -> dacbef
+ //
+ // 2->s s=c
+ // 4->2 dacbef -> daebef
+ // 5->4 daebef -> daebff
+ // s->5 daebff -> daebfc
+
+ const int w = width;
+ const int h = height;
+ const int size = w * h;
+
+ uint8_t *data_ptr = data.ptrw();
+ uint32_t pixel_size = get_format_pixel_size(format);
+
+ uint8_t single_pixel_buffer[16];
+
+#define PREV_INDEX_IN_CYCLE(index) (p_direction == CLOCKWISE) ? ((h - 1 - (index % h)) * w + (index / h)) : ((index % h) * w + (w - 1 - (index / h)))
+
+ if (w == h) { // Square case, 4-length cycles only (plus irrelevant thus skipped 1-length cycle in the middle for odd-sized squares).
+ for (int y = 0; y < h / 2; y++) {
+ for (int x = 0; x < (w + 1) / 2; x++) {
+ int current = y * w + x;
+ memcpy(single_pixel_buffer, data_ptr + current * pixel_size, pixel_size);
+ for (int i = 0; i < 3; i++) {
+ int prev = PREV_INDEX_IN_CYCLE(current);
+ memcpy(data_ptr + current * pixel_size, data_ptr + prev * pixel_size, pixel_size);
+ current = prev;
+ }
+ memcpy(data_ptr + current * pixel_size, single_pixel_buffer, pixel_size);
+ }
+ }
+ } else { // Rectangular case (w != h), kinda unpredictable cycles.
+ int permuted_pixels_count = 0;
+
+ for (int i = 0; i < size; i++) {
+ int prev = PREV_INDEX_IN_CYCLE(i);
+ if (prev == i) {
+ // 1-length cycle, pixel remains at the same index.
+ permuted_pixels_count++;
+ continue;
+ }
+
+ // Check whether we already processed this cycle.
+ // We iterate over it and if we'll find an index smaller than `i` then we already
+ // processed this cycle because we always start at the smallest index in the cycle.
+ // TODO: Improve this naive approach, can be done better.
+ while (prev > i) {
+ prev = PREV_INDEX_IN_CYCLE(prev);
+ }
+ if (prev < i) {
+ continue;
+ }
+
+ // Save the in-cycle pixel with the smallest index (`i`).
+ memcpy(single_pixel_buffer, data_ptr + i * pixel_size, pixel_size);
+
+ // Overwrite pixels one by one by the preceding pixel in the cycle.
+ int current = i;
+ prev = PREV_INDEX_IN_CYCLE(current);
+ while (prev != i) {
+ memcpy(data_ptr + current * pixel_size, data_ptr + prev * pixel_size, pixel_size);
+ permuted_pixels_count++;
+
+ current = prev;
+ prev = PREV_INDEX_IN_CYCLE(current);
+ };
+
+ // Overwrite the remaining pixel in the cycle by the saved pixel with the smallest index.
+ memcpy(data_ptr + current * pixel_size, single_pixel_buffer, pixel_size);
+ permuted_pixels_count++;
+
+ if (permuted_pixels_count == size) {
+ break;
+ }
+ }
+
+ width = h;
+ height = w;
+ }
+
+#undef PREV_INDEX_IN_CYCLE
+ }
+
+ 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 <= 0, "The Image width specified (" + itos(width) + " pixels) must be greater than 0 pixels.");
+ ERR_FAIL_COND_MSG(height <= 0, "The Image height specified (" + itos(height) + " pixels) must be greater than 0 pixels.");
+
+ bool used_mipmaps = has_mipmaps();
+ if (used_mipmaps) {
+ clear_mipmaps();
+ }
+
+ {
+ uint8_t *data_ptr = data.ptrw();
+ uint32_t pixel_size = get_format_pixel_size(format);
+
+ uint8_t single_pixel_buffer[16];
+
+ uint8_t *from_begin_ptr = data_ptr;
+ uint8_t *from_end_ptr = data_ptr + (width * height - 1) * pixel_size;
+
+ while (from_begin_ptr < from_end_ptr) {
+ memcpy(single_pixel_buffer, from_begin_ptr, pixel_size);
+ memcpy(from_begin_ptr, from_end_ptr, pixel_size);
+ memcpy(from_end_ptr, single_pixel_buffer, pixel_size);
+
+ from_begin_ptr += pixel_size;
+ from_end_ptr -= pixel_size;
+ }
+ }
+
+ 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.");
@@ -1914,9 +2095,7 @@ Error Image::generate_mipmap_roughness(RoughnessChannel p_roughness_channel, con
uint8_t* wr = imgdata.ptrw();
memcpy(wr.ptr(), ptr, size);
wr = uint8_t*();
- Ref<Image> im;
- im.instantiate();
- im->create(w, h, false, format, imgdata);
+ Ref<Image> im = Image::create_from_data(w, h, false, format, imgdata);
im->save_png("res://mipmap_" + itos(i) + ".png");
}
#endif
@@ -1949,7 +2128,25 @@ Vector<uint8_t> Image::get_data() const {
return data;
}
-void Image::create(int p_width, int p_height, bool p_use_mipmaps, Format p_format) {
+Ref<Image> Image::create_empty(int p_width, int p_height, bool p_use_mipmaps, Format p_format) {
+ Ref<Image> image;
+ image.instantiate();
+ image->initialize_data(p_width, p_height, p_use_mipmaps, p_format);
+ return image;
+}
+
+Ref<Image> Image::create_from_data(int p_width, int p_height, bool p_use_mipmaps, Format p_format, const Vector<uint8_t> &p_data) {
+ Ref<Image> image;
+ image.instantiate();
+ image->initialize_data(p_width, p_height, p_use_mipmaps, p_format, p_data);
+ return image;
+}
+
+void Image::set_data(int p_width, int p_height, bool p_use_mipmaps, Format p_format, const Vector<uint8_t> &p_data) {
+ initialize_data(p_width, p_height, p_use_mipmaps, p_format, p_data);
+}
+
+void Image::initialize_data(int p_width, int p_height, bool p_use_mipmaps, Format p_format) {
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,
@@ -1975,7 +2172,7 @@ void Image::create(int p_width, int p_height, bool p_use_mipmaps, Format p_forma
format = p_format;
}
-void Image::create(int p_width, int p_height, bool p_use_mipmaps, Format p_format, const Vector<uint8_t> &p_data) {
+void Image::initialize_data(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, "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,
@@ -2013,7 +2210,7 @@ void Image::create(int p_width, int p_height, bool p_use_mipmaps, Format p_forma
mipmaps = p_use_mipmaps;
}
-void Image::create(const char **p_xpm) {
+void Image::initialize_data(const char **p_xpm) {
int size_width = 0;
int size_height = 0;
int pixelchars = 0;
@@ -2128,7 +2325,7 @@ void Image::create(const char **p_xpm) {
}
if (line == colormap_size) {
status = READING_PIXELS;
- create(size_width, size_height, false, has_alpha ? FORMAT_RGBA8 : FORMAT_RGB8);
+ initialize_data(size_width, size_height, false, has_alpha ? FORMAT_RGBA8 : FORMAT_RGB8);
data_write = data.ptrw();
pixel_size = has_alpha ? 4 : 3;
}
@@ -2413,19 +2610,23 @@ Error Image::decompress() {
_image_decompress_etc1(this);
} else if (format >= FORMAT_ETC2_R11 && format <= FORMAT_ETC2_RA_AS_RG && _image_decompress_etc2) {
_image_decompress_etc2(this);
+ } else if (format >= FORMAT_ASTC_4x4 && format <= FORMAT_ASTC_8x8_HDR && _image_decompress_astc) {
+ _image_decompress_astc(this);
} else {
return ERR_UNAVAILABLE;
}
return OK;
}
-Error Image::compress(CompressMode p_mode, CompressSource p_source, float p_lossy_quality) {
+Error Image::compress(CompressMode p_mode, CompressSource p_source, float p_lossy_quality, ASTCFormat p_astc_format) {
ERR_FAIL_INDEX_V_MSG(p_mode, COMPRESS_MAX, ERR_INVALID_PARAMETER, "Invalid compress mode.");
ERR_FAIL_INDEX_V_MSG(p_source, COMPRESS_SOURCE_MAX, ERR_INVALID_PARAMETER, "Invalid compress source.");
- return compress_from_channels(p_mode, detect_used_channels(p_source), p_lossy_quality);
+ return compress_from_channels(p_mode, detect_used_channels(p_source), p_lossy_quality, p_astc_format);
}
-Error Image::compress_from_channels(CompressMode p_mode, UsedChannels p_channels, float p_lossy_quality) {
+Error Image::compress_from_channels(CompressMode p_mode, UsedChannels p_channels, float p_lossy_quality, ASTCFormat p_astc_format) {
+ ERR_FAIL_COND_V(data.is_empty(), ERR_INVALID_DATA);
+
switch (p_mode) {
case COMPRESS_S3TC: {
ERR_FAIL_COND_V(!_image_compress_bc_func, ERR_UNAVAILABLE);
@@ -2443,6 +2644,10 @@ Error Image::compress_from_channels(CompressMode p_mode, UsedChannels p_channels
ERR_FAIL_COND_V(!_image_compress_bptc_func, ERR_UNAVAILABLE);
_image_compress_bptc_func(this, p_lossy_quality, p_channels);
} break;
+ case COMPRESS_ASTC: {
+ ERR_FAIL_COND_V(!_image_compress_bptc_func, ERR_UNAVAILABLE);
+ _image_compress_astc_func(this, p_lossy_quality, p_astc_format);
+ } break;
case COMPRESS_MAX: {
ERR_FAIL_V(ERR_INVALID_PARAMETER);
} break;
@@ -2457,7 +2662,7 @@ Image::Image(const char **p_xpm) {
mipmaps = false;
format = FORMAT_L8;
- create(p_xpm);
+ initialize_data(p_xpm);
}
Image::Image(int p_width, int p_height, bool p_use_mipmaps, Format p_format) {
@@ -2466,7 +2671,7 @@ Image::Image(int p_width, int p_height, bool p_use_mipmaps, Format p_format) {
mipmaps = p_use_mipmaps;
format = FORMAT_L8;
- create(p_width, p_height, p_use_mipmaps, p_format);
+ initialize_data(p_width, p_height, p_use_mipmaps, p_format);
}
Image::Image(int p_width, int p_height, bool p_mipmaps, Format p_format, const Vector<uint8_t> &p_data) {
@@ -2475,18 +2680,18 @@ Image::Image(int p_width, int p_height, bool p_mipmaps, Format p_format, const V
mipmaps = p_mipmaps;
format = FORMAT_L8;
- create(p_width, p_height, p_mipmaps, p_format, p_data);
+ initialize_data(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;
@@ -2512,15 +2717,15 @@ 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> 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));
+Ref<Image> Image::get_region(const Rect2i &p_region) const {
+ Ref<Image> img = memnew(Image(p_region.size.x, p_region.size.y, mipmaps, format));
+ img->blit_rect(Ref<Image>((Image *)this), p_region, Point2i(0, 0));
return img;
}
@@ -2557,7 +2762,7 @@ 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();
@@ -2569,7 +2774,7 @@ void Image::blit_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const Po
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()) {
+ if (!src_rect.has_area() || !dest_rect.has_area()) {
return;
}
@@ -2599,7 +2804,7 @@ 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();
@@ -2615,7 +2820,7 @@ void Image::blit_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, co
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()) {
+ if (!src_rect.has_area() || !dest_rect.has_area()) {
return;
}
@@ -2649,7 +2854,7 @@ 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();
@@ -2660,7 +2865,7 @@ void Image::blend_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const P
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()) {
+ if (!src_rect.has_area() || !dest_rect.has_area()) {
return;
}
@@ -2684,7 +2889,7 @@ 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();
@@ -2700,7 +2905,7 @@ void Image::blend_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, c
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()) {
+ if (!src_rect.has_area() || !dest_rect.has_area()) {
return;
}
@@ -2744,6 +2949,9 @@ void Image::_repeat_pixel_over_subsequent_memory(uint8_t *p_pixel, int p_pixel_s
}
void Image::fill(const Color &p_color) {
+ if (data.size() == 0) {
+ return;
+ }
ERR_FAIL_COND_MSG(!_can_modify(format), "Cannot fill in compressed or custom image formats.");
uint8_t *dst_data_ptr = data.ptrw();
@@ -2756,11 +2964,14 @@ 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) {
+ if (data.size() == 0) {
+ return;
+ }
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());
- if (r.has_no_area()) {
+ if (!r.has_area()) {
return;
}
@@ -2793,10 +3004,12 @@ void (*Image::_image_compress_bc_func)(Image *, float, Image::UsedChannels) = nu
void (*Image::_image_compress_bptc_func)(Image *, float, Image::UsedChannels) = nullptr;
void (*Image::_image_compress_etc1_func)(Image *, float) = nullptr;
void (*Image::_image_compress_etc2_func)(Image *, float, Image::UsedChannels) = nullptr;
+void (*Image::_image_compress_astc_func)(Image *, float, Image::ASTCFormat) = nullptr;
void (*Image::_image_decompress_bc)(Image *) = nullptr;
void (*Image::_image_decompress_bptc)(Image *) = nullptr;
void (*Image::_image_decompress_etc1)(Image *) = nullptr;
void (*Image::_image_decompress_etc2)(Image *) = nullptr;
+void (*Image::_image_decompress_astc)(Image *) = nullptr;
Vector<uint8_t> (*Image::webp_lossy_packer)(const Ref<Image> &, float) = nullptr;
Vector<uint8_t> (*Image::webp_lossless_packer)(const Ref<Image> &) = nullptr;
@@ -2829,7 +3042,7 @@ void Image::_set_data(const Dictionary &p_data) {
ERR_FAIL_COND(ddformat == FORMAT_MAX);
- create(dwidth, dheight, dmipmaps, ddformat, ddata);
+ initialize_data(dwidth, dheight, dmipmaps, ddformat, ddata);
}
Dictionary Image::_get_data() const {
@@ -3192,8 +3405,9 @@ void Image::_bind_methods() {
ClassDB::bind_method(D_METHOD("generate_mipmaps", "renormalize"), &Image::generate_mipmaps, DEFVAL(false));
ClassDB::bind_method(D_METHOD("clear_mipmaps"), &Image::clear_mipmaps);
- ClassDB::bind_method(D_METHOD("create", "width", "height", "use_mipmaps", "format"), &Image::create_empty);
- ClassDB::bind_method(D_METHOD("create_from_data", "width", "height", "use_mipmaps", "format", "data"), &Image::create_from_data);
+ ClassDB::bind_static_method("Image", D_METHOD("create", "width", "height", "use_mipmaps", "format"), &Image::create_empty);
+ ClassDB::bind_static_method("Image", D_METHOD("create_from_data", "width", "height", "use_mipmaps", "format", "data"), &Image::create_from_data);
+ ClassDB::bind_method(D_METHOD("set_data", "width", "height", "use_mipmaps", "format", "data"), &Image::set_data);
ClassDB::bind_method(D_METHOD("is_empty"), &Image::is_empty);
@@ -3212,11 +3426,14 @@ void Image::_bind_methods() {
ClassDB::bind_method(D_METHOD("is_invisible"), &Image::is_invisible);
ClassDB::bind_method(D_METHOD("detect_used_channels", "source"), &Image::detect_used_channels, DEFVAL(COMPRESS_SOURCE_GENERIC));
- ClassDB::bind_method(D_METHOD("compress", "mode", "source", "lossy_quality"), &Image::compress, DEFVAL(COMPRESS_SOURCE_GENERIC), DEFVAL(0.7));
- ClassDB::bind_method(D_METHOD("compress_from_channels", "mode", "channels", "lossy_quality"), &Image::compress_from_channels, DEFVAL(0.7));
+ ClassDB::bind_method(D_METHOD("compress", "mode", "source", "lossy_quality", "astc_format"), &Image::compress, DEFVAL(COMPRESS_SOURCE_GENERIC), DEFVAL(0.7), DEFVAL(ASTC_FORMAT_4x4));
+ ClassDB::bind_method(D_METHOD("compress_from_channels", "mode", "channels", "lossy_quality", "astc_format"), &Image::compress_from_channels, DEFVAL(0.7), DEFVAL(ASTC_FORMAT_4x4));
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);
@@ -3234,7 +3451,7 @@ void Image::_bind_methods() {
ClassDB::bind_method(D_METHOD("fill_rect", "rect", "color"), &Image::fill_rect);
ClassDB::bind_method(D_METHOD("get_used_rect"), &Image::get_used_rect);
- ClassDB::bind_method(D_METHOD("get_rect", "rect"), &Image::get_rect);
+ ClassDB::bind_method(D_METHOD("get_region", "region"), &Image::get_region);
ClassDB::bind_method(D_METHOD("copy_from", "src"), &Image::copy_internals_from);
@@ -3294,6 +3511,10 @@ void Image::_bind_methods() {
BIND_ENUM_CONSTANT(FORMAT_ETC2_RGB8A1);
BIND_ENUM_CONSTANT(FORMAT_ETC2_RA_AS_RG);
BIND_ENUM_CONSTANT(FORMAT_DXT5_RA_AS_RG);
+ BIND_ENUM_CONSTANT(FORMAT_ASTC_4x4);
+ BIND_ENUM_CONSTANT(FORMAT_ASTC_4x4_HDR);
+ BIND_ENUM_CONSTANT(FORMAT_ASTC_8x8);
+ BIND_ENUM_CONSTANT(FORMAT_ASTC_8x8_HDR);
BIND_ENUM_CONSTANT(FORMAT_MAX);
BIND_ENUM_CONSTANT(INTERPOLATE_NEAREST);
@@ -3321,6 +3542,9 @@ void Image::_bind_methods() {
BIND_ENUM_CONSTANT(COMPRESS_SOURCE_GENERIC);
BIND_ENUM_CONSTANT(COMPRESS_SOURCE_SRGB);
BIND_ENUM_CONSTANT(COMPRESS_SOURCE_NORMAL);
+
+ BIND_ENUM_CONSTANT(ASTC_FORMAT_4x4);
+ BIND_ENUM_CONSTANT(ASTC_FORMAT_8x8);
}
void Image::set_compress_bc_func(void (*p_compress_func)(Image *, float, UsedChannels)) {
@@ -3355,9 +3579,7 @@ Ref<Image> Image::rgbe_to_srgb() {
ERR_FAIL_COND_V(format != FORMAT_RGBE9995, Ref<Image>());
- Ref<Image> new_image;
- new_image.instantiate();
- new_image->create(width, height, false, Image::FORMAT_RGB8);
+ Ref<Image> new_image = create_empty(width, height, false, Image::FORMAT_RGB8);
for (int row = 0; row < height; row++) {
for (int col = 0; col < width; col++) {
@@ -3398,6 +3620,7 @@ Ref<Image> Image::get_image_from_mipmap(int p_mipamp) const {
void Image::bump_map_to_normal_map(float bump_scale) {
ERR_FAIL_COND(!_can_modify(format));
+ clear_mipmaps();
convert(Image::FORMAT_RF);
Vector<uint8_t> result_image; //rgba output
@@ -3621,6 +3844,19 @@ void Image::convert_ra_rgba8_to_rg() {
}
}
+void Image::convert_rgba8_to_bgra8() {
+ ERR_FAIL_COND(format != FORMAT_RGBA8);
+ ERR_FAIL_COND(!data.size());
+
+ int s = data.size();
+ uint8_t *w = data.ptrw();
+ for (int i = 0; i < s; i += 4) {
+ uint8_t r = w[i];
+ w[i] = w[i + 2]; // Swap R to B
+ w[i + 2] = r; // Swap B to R
+ }
+}
+
Error Image::_load_from_buffer(const Vector<uint8_t> &p_array, ImageMemLoadFunc p_loader) {
int buffer_size = p_array.size();
@@ -3764,15 +4000,15 @@ Dictionary Image::compute_image_metrics(const Ref<Image> p_compared_image, bool
double image_metric_max, image_metric_mean, image_metric_mean_squared, image_metric_root_mean_squared, image_metric_peak_snr = 0.0;
const bool average_component_error = true;
- const uint32_t width = MIN(compared_image->get_width(), source_image->get_width());
- const uint32_t height = MIN(compared_image->get_height(), source_image->get_height());
+ const uint32_t w = MIN(compared_image->get_width(), source_image->get_width());
+ const uint32_t h = MIN(compared_image->get_height(), source_image->get_height());
// Histogram approach originally due to Charles Bloom.
double hist[256];
memset(hist, 0, sizeof(hist));
- for (uint32_t y = 0; y < height; y++) {
- for (uint32_t x = 0; x < width; x++) {
+ for (uint32_t y = 0; y < h; y++) {
+ for (uint32_t x = 0; x < w; x++) {
const Color color_a = compared_image->get_pixel(x, y);
const Color color_b = source_image->get_pixel(x, y);
@@ -3817,7 +4053,7 @@ Dictionary Image::compute_image_metrics(const Ref<Image> p_compared_image, bool
}
// See http://richg42.blogspot.com/2016/09/how-to-compute-psnr-from-old-berkeley.html
- double total_values = width * height;
+ double total_values = w * h;
if (average_component_error) {
total_values *= 4;
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-12 05:47:24 +0000