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rmodels.c, LoadImageFromCgltfImage() : fix base64 padding support (#4112)

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* rmodels.c, LoadImageFromCgltfImage() : fix base64 padding support

This should fix the issue related to `.gltf` embeded image in base64 format, by ignoring `=` padding and calculating the data size in bytes correctly.

* follow guidelin convention

* try to follow guideline convention as much as possible

* clarify comments

i hope it's clear ennough
This commit is contained in:
SuperUserNameMan
2024-06-28 09:56:27 +02:00
committed by GitHub
parent 84971d81f3
commit a3ef381b3e
1 changed files with 3 additions and 1 deletions
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src/rmodels.c
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@@ -4815,7 +4815,9 @@ static Image LoadImageFromCgltfImage(cgltf_image *cgltfImage, const char *texPat
else else
{ {
int base64Size = (int)strlen(cgltfImage->uri + i + 1); int base64Size = (int)strlen(cgltfImage->uri + i + 1);
int outSize = 3*(base64Size/4); // TODO: Consider padding (-numberOfPaddingCharacters) while (cgltfImage->uri[i + base64Size] == '=') base64Size--; // Ignore optional paddings
int numberOfEncodedBits = base64Size*6 - (base64Size*6) % 8 ; // Encoded bits minus extra bits, so it becomes a multiple of 8 bits
int outSize = numberOfEncodedBits/8 ; // Actual encoded bytes
void *data = NULL; void *data = NULL;
cgltf_options options = { 0 }; cgltf_options options = { 0 };