Pros of Aseprite

• More feature-rich and professional-grade pixel art and animation tool
• Actively maintained with regular updates and a large community
• Cross-platform support (Windows, macOS, Linux)

Cons of Aseprite

• Not free or open-source (paid software)
• Steeper learning curve for beginners
• Requires installation and system resources

Code Comparison

Aseprite (C++):

void Image::putPixel(int x, int y, color_t color)
{
  if (x >= 0 && x < width() &&
      y >= 0 && y < height())
    *(address(x, y)) = color;
}

DPaint-js (JavaScript):

function putPixel(x, y, color) {
  if (x >= 0 && x < width && y >= 0 && y < height) {
    imageData.data[(y * width + x) * 4] = color.r;
    imageData.data[(y * width + x) * 4 + 1] = color.g;
    imageData.data[(y * width + x) * 4 + 2] = color.b;
    imageData.data[(y * width + x) * 4 + 3] = color.a;
  }
}

Both examples show pixel drawing functions, but Aseprite's implementation is more optimized for performance in C++, while DPaint-js uses a web-friendly approach with JavaScript and canvas ImageData.

Pros of pixel-editor

• More focused on pixel art creation with specialized tools
• Simpler, more intuitive interface for beginners
• Active development with recent updates and community contributions

Cons of pixel-editor

• Limited feature set compared to DPaint-js's more comprehensive toolset
• Less flexibility for advanced users who need more complex editing options
• Lacks some of the retro-style UI elements that DPaint-js emulates

Code comparison

pixel-editor:

function drawPixel(x, y, color) {
  ctx.fillStyle = color;
  ctx.fillRect(x * pixelSize, y * pixelSize, pixelSize, pixelSize);
}

DPaint-js:

function drawPixel(x,y,color){
    if (x>=0 && y>=0 && x<width && y<height){
        pixels[y*width + x] = color;
    }
}

Both implementations draw pixels, but DPaint-js uses a pixel array for direct manipulation, while pixel-editor uses canvas drawing methods. This reflects the different approaches: pixel-editor focuses on simplicity and ease of use, while DPaint-js aims for more low-level control and performance.

pixel-editor is better suited for users looking for a straightforward pixel art creation tool, while DPaint-js offers a more comprehensive set of features for those seeking a full-fledged image editor with a retro feel.

Pros of Piskel

• More active development with frequent updates and contributions
• Dedicated web-based pixel art and animated sprite editor
• Extensive features for animation, including onion skinning and frame management

Cons of Piskel

• Focused solely on pixel art, lacking broader image editing capabilities
• Steeper learning curve for users new to pixel art creation
• Limited export options compared to more versatile image editors

Code Comparison

Piskel (JavaScript):

ns.PiskelController.prototype.setCurrentFrameIndex = function (frameIndex) {
  this.currentFrameIndex = frameIndex;
  this.layersController.selectLayer(this.currentLayerIndex);
  this.refreshLayersCanvas();
};

DPaint-js (JavaScript):

function setActiveColor(index){
    activeColor = index;
    UI.setActiveColor(index);
    Editor.setColor(index);
}

Both projects use JavaScript, but Piskel's codebase is more complex and object-oriented, reflecting its specialized focus on pixel art and animation. DPaint-js has a simpler structure, mirroring its more general-purpose approach to image editing.

Pros of Pixelorama

• More feature-rich with advanced tools like layers, animation frames, and custom brushes
• Active development with regular updates and a larger community
• Cross-platform support (Windows, macOS, Linux)

Cons of Pixelorama

• Steeper learning curve due to more complex interface and features
• Larger file size and resource requirements

Code Comparison

Pixelorama (GDScript):

func _on_Tool_selected(tool: Tool) -> void:
    Global.current_project.selected_tool = tool
    for t in tools:
        t.button.pressed = t.name == tool.name

DPaint-js (JavaScript):

function selectTool(tool){
    currentTool = tool;
    UI.setTool(tool);
    UI.showOptionsForTool(tool);
}

Both projects implement tool selection, but Pixelorama's approach is more object-oriented and integrated with its project structure, while DPaint-js uses a simpler functional approach.

Pixelorama offers a more comprehensive set of features and cross-platform support, making it suitable for more advanced pixel art and animation projects. DPaint-js, being a web-based recreation of Amiga's Deluxe Paint, provides a simpler, nostalgic experience that may be more accessible for beginners or those seeking a classic pixel art tool.