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Backported convert_rg_to_ra_rgba8 and convert_ra_rgba8_to_rg from Godot4's Image.

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Relintai 2022-08-08 02:39:21 +02:00
parent 2e30e9f2d6
commit eff5153375
2 changed files with 34 additions and 0 deletions
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31
core/image.cpp
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@ -2972,6 +2972,9 @@ void Image::_bind_methods() {
ClassDB::bind_method(D_METHOD("load_tga_from_buffer", "buffer"), &Image::load_tga_from_buffer);
ClassDB::bind_method(D_METHOD("load_bmp_from_buffer", "buffer"), &Image::load_bmp_from_buffer);
ClassDB::bind_method(D_METHOD("convert_rg_to_ra_rgba8"), &Image::convert_rg_to_ra_rgba8);
ClassDB::bind_method(D_METHOD("convert_ra_rgba8_to_rg"), &Image::convert_ra_rgba8_to_rg);
ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY, "data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_STORAGE), "_set_data", "_get_data");
BIND_CONSTANT(MAX_WIDTH);
@ -3300,6 +3303,34 @@ Error Image::load_bmp_from_buffer(const PoolVector<uint8_t> &p_array) {
return _load_from_buffer(p_array, _bmp_mem_loader_func);
}
void Image::convert_rg_to_ra_rgba8() {
ERR_FAIL_COND(format != FORMAT_RGBA8);
ERR_FAIL_COND(!data.size());
int s = data.size();
PoolVector<uint8_t>::Write pw = data.write();
uint8_t *w = pw.ptr();
for (int i = 0; i < s; i += 4) {
w[i + 3] = w[i + 1];
w[i + 1] = 0;
w[i + 2] = 0;
}
}
void Image::convert_ra_rgba8_to_rg() {
ERR_FAIL_COND(format != FORMAT_RGBA8);
ERR_FAIL_COND(!data.size());
int s = data.size();
PoolVector<uint8_t>::Write pw = data.write();
uint8_t *w = pw.ptr();
for (int i = 0; i < s; i += 4) {
w[i + 1] = w[i + 3];
w[i + 2] = 0;
w[i + 3] = 255;
}
}
Error Image::_load_from_buffer(const PoolVector<uint8_t> &p_array, ImageMemLoadFunc p_loader) {
int buffer_size = p_array.size();

3
core/image.h
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@ -343,6 +343,9 @@ public:
Error load_tga_from_buffer(const PoolVector<uint8_t> &p_array);
Error load_bmp_from_buffer(const PoolVector<uint8_t> &p_array);
void convert_rg_to_ra_rgba8();
void convert_ra_rgba8_to_rg();
Image(const uint8_t *p_mem_png_jpg, int p_len = -1);
Image(const char **p_xpm);