Remove PNG and ZLIB support from the project

- Eliminated all references to PNG and ZLIB dependencies in CMake configuration and project files.
- Updated documentation to reflect the removal of PNG support and related functionalities.
- Adjusted build scripts and source files to remove unused code related to PNG handling, ensuring a cleaner codebase.

docs/02-build-instructions.md

@@ -118,8 +118,6 @@ set VCPKG_ROOT=%CD%
 ```
 
 **Dependencies (vcpkg.json):**
-- zlib (compression)
-- libpng (PNG support)
 - sdl2 (graphics/input with Vulkan support)
 
 **Note**: Abseil and gtest are built from source via CMake rather than through vcpkg to avoid compatibility issues.
@@ -212,7 +210,7 @@ python scripts/generate-vs-projects.py
 **Features:**
 - Full IntelliSense support
 - Integrated debugging
-- Automatic vcpkg dependency management (zlib, libpng, SDL2)
+- Automatic vcpkg dependency management (SDL2)
 - Multi-platform support (x64, ARM64)
 - Automatic asset copying
 - Generated project files stay in sync with CMake configuration
@@ -322,7 +320,7 @@ The project includes three release workflows with different levels of complexity
 All Windows CI/CD builds include automatic fallback mechanisms:
 
 **When vcpkg succeeds:**
-- Full build with all dependencies (zlib, libpng, SDL2)
+- Full build with all dependencies (SDL2)
 - Complete feature set available
 
 **When vcpkg fails (network issues):**
@@ -383,7 +381,7 @@ cmake --preset windows-debug
 vcpkg version
 
 # Reinstall dependencies
-vcpkg install --triplet x64-windows zlib libpng sdl2
+vcpkg install --triplet x64-windows sdl2
 
 # Check installed packages
 vcpkg list

docs/vcpkg-integration.md

@@ -28,7 +28,7 @@ Run the automated setup script:
 
 This will:
 - Set up vcpkg
-- Install dependencies (zlib, libpng, SDL2)
+- Install dependencies (SDL2)
 - Generate Visual Studio project files with proper vcpkg integration
 
 ### 2. Build with Visual Studio
@@ -72,9 +72,6 @@ The `vcpkg.json` file defines all dependencies:
       "platform": "!uwp"
     },
     {
-      "name": "libpng",
-      "platform": "!uwp"
-    },
     {
       "name": "sdl2",
       "platform": "!uwp",
@@ -104,8 +101,6 @@ Available Windows presets:
 
 vcpkg automatically installs these dependencies:
 
-- **zlib**: Compression library
-- **libpng**: PNG image support  
 - **sdl2**: Graphics and input handling (with Vulkan support)
 
 **Note**: Abseil and gtest are now built from source via CMake rather than through vcpkg to avoid compatibility issues.

docs/vcpkg-triplet-setup.md

@@ -63,7 +63,7 @@ Since YAZE uses several vcpkg packages, installing them will ensure the triplet
 
 ```cmd
 # From the YAZE project root
-vcpkg install --triplet x64-windows sdl2 zlib libpng abseil
+vcpkg install --triplet x64-windows sdl2
 ```
 
 ## Common Issues and Solutions

docs/visual-studio-setup.md

@@ -47,7 +47,7 @@ The project uses `vcpkg.json` for automatic dependency management. Dependencies
 Manual installation (if needed):
 ```cmd
 vcpkg install zlib:x64-windows
-vcpkg install libpng:x64-windows
+# PNG support removed
 vcpkg install sdl2[vulkan]:x64-windows
 vcpkg install abseil:x64-windows
 vcpkg install gtest:x64-windows
@@ -290,7 +290,7 @@ The included `yaze.vcxproj` and `yaze.sln` files provide:
 ### **Automatic Dependency Management**
 - **vcpkg Integration:** Automatically installs and links dependencies from `vcpkg.json`
 - **Platform Support:** Pre-configured for both x64 and x86 builds
-- **Library Linking:** Automatically links SDL2, zlib, libpng, and system libraries
+- **Library Linking:** Automatically links SDL2 and system libraries
 
 ### **Build Configuration**
 - **Debug Configuration:** Includes debugging symbols and runtime checks

docs/windows-development-guide.md

@@ -38,7 +38,7 @@ The easiest way to get started is to use our automated setup script:
 
 This script will:
 - Check for required software (Visual Studio 2022, Git, Python)
-- Set up vcpkg and install dependencies (zlib, libpng, SDL2)
+- Set up vcpkg and install dependencies (SDL2)
 - Generate Visual Studio project files with proper vcpkg integration
 - Perform a test build to verify everything works