Image XObject handler (Do operator)

engine/include/pdfengine/content_object.hpp

@@ -3,6 +3,7 @@
 #include <string>
 #include <vector>
 #include <memory>
+#include <pdfengine/graphics_state.hpp>
 
 namespace pdfengine {
 
@@ -13,6 +14,13 @@ enum class ContentObjectType {
     Unknown
 };
 
+enum class XObjectType {
+    Image,
+    Form,
+    Pattern,
+    Unknown
+};
+
 class ContentObject {
 public:
     virtual ~ContentObject() = default;
@@ -32,4 +40,23 @@ public:
     double tm[6] = {1.0, 0.0, 0.0, 1.0, 0.0, 0.0};
 };
 
+class ImageObject : public ContentObject {
+public:
+    ContentObjectType getType() const override { return ContentObjectType::Image; }
+
+    std::string name;
+    int width = 0;
+    int height = 0;
+    std::string colorSpace;
+    std::string filter;
+    int bitsPerComponent = 8;
+    bool hasSoftMask = false;
+
+    // Decoded raw pixels (RGBA format for Skia)
+    std::vector<uint8_t> pixelData;
+
+    // The Current Transformation Matrix (CTM) at the time the 'Do' operator was invoked
+    Matrix transform;
+};
+
 } // namespace pdfengine

engine/include/pdfengine/display_list.hpp

@@ -60,12 +60,15 @@ struct StrokePathCommand : public Command {
 
 struct DrawImageCommand : public Command {
     ImageInfo image;
-    float x, y, width, height;
-    DrawImageCommand(ImageInfo img, float x, float y, float w, float h) 
-        : image(std::move(img)), x(x), y(y), width(w), height(h) {}
+    Matrix matrix;
+    float opacity;
+
+    DrawImageCommand(ImageInfo img, Matrix m, float op = 1.0f) 
+        : image(std::move(img)), matrix(m), opacity(op) {}
     void accept(CommandVisitor& visitor) const override;
 };
 
+
 // --- Visitor Interface ---
 
 // The visitor interface that the renderer (or replay engine) implements
@@ -103,7 +106,7 @@ public:
     void drawText(const std::string& text, float x, float y);
     void fillPath(const Path& path);
     void strokePath(const Path& path);
-    void drawImage(const ImageInfo& image, float x, float y, float w, float h);
+    void drawImage(const ImageInfo& image, const Matrix& m, float opacity = 1.0f);
 
     [[nodiscard]] size_t size() const noexcept { return m_commands.size(); }
     void clear() { m_commands.clear(); }