Implemented CPU rendering for current ObjectTypes

[ipdf/code.git] / src / objectrenderer.h

diff --git a/src/objectrenderer.h b/src/objectrenderer.h
index 6e5176b..0790d85 100644 (file)
--- a/src/objectrenderer.h
+++ b/src/objectrenderer.h
@@ -3,6 +3,9 @@
  * @brief Definition of ObjectRenderer class
  */
 
+#ifndef _OBJECT_RENDERER_H
+#define _OBJECT_RENDERER_H
+
 #include "ipdf.h"
 #include "graphicsbuffer.h"
 #include "shaderprogram.h"
@@ -10,6 +13,7 @@
 
 namespace IPDF
 {
+       class View;
        /**
         * Abstract Base class representing how a particular type of object will be rendered
         * Includes GPU rendering and CPU rendering
@@ -36,12 +40,28 @@ namespace IPDF
                         * Use the CPU to render the objects - "make a bitmap and convert it to a texture" approach
                         * This way is definitely slower, but gives us more control over the number representations than a GPU
                         */
-                       virtual void RenderUsingCPU() = 0;
+
+                       struct CPURenderTarget
+                       {
+                               uint8_t * pixels;
+                               int w;
+                               int h;
+                       };
+                       struct CPURenderBounds
+                       {
+                               int x; int y; int w; int h;
+                               CPURenderBounds(const Rect & bounds, const View & view, const CPURenderTarget & target);
+                       };
+
+                       static void SaveBMP(const CPURenderTarget & target, const char * filename);
+
+
+                       virtual void RenderUsingCPU(const Objects & objects, const View & view, const CPURenderTarget & target) = 0;
                        
                        
                        
                        const ObjectType m_type; /** Type of objects **/
-               private:
+               protected:
                        friend class View; //View is a friendly fellow in the world of IPDF
                        void PrepareBuffers(unsigned max_size);
                        void FinaliseBuffers();
@@ -60,7 +80,7 @@ namespace IPDF
                public:
                        RectFilledRenderer() : ObjectRenderer(RECT_FILLED, "shaders/rect_vert.glsl", "shaders/rect_frag.glsl","shaders/rect_filled_geom.glsl") {}
                        virtual ~RectFilledRenderer() {}
-                       virtual void RenderUsingCPU() {ObjectRenderer::RenderUsingCPU();} //TODO: Implement
+                       virtual void RenderUsingCPU(const Objects & objects, const View & view, const CPURenderTarget & target);
        };
        /** Renderer for outlined rectangles **/
        class RectOutlineRenderer : public ObjectRenderer
@@ -68,7 +88,7 @@ namespace IPDF
                public:
                        RectOutlineRenderer() : ObjectRenderer(RECT_OUTLINE, "shaders/rect_vert.glsl", "shaders/rect_frag.glsl", "shaders/rect_outline_geom.glsl") {}
                        virtual ~RectOutlineRenderer() {}
-                       virtual void RenderUsingCPU() {ObjectRenderer::RenderUsingCPU();} //TODO: Implement
+                       virtual void RenderUsingCPU(const Objects & objects, const View & view, const CPURenderTarget & target);
        };
        /** Renderer for filled circles **/
        class CircleFilledRenderer : public ObjectRenderer
@@ -76,6 +96,8 @@ namespace IPDF
                public:
                        CircleFilledRenderer() : ObjectRenderer(CIRCLE_FILLED, "shaders/rect_vert.glsl", "shaders/circle_frag.glsl", "shaders/circle_filled_geom.glsl") {}
                        virtual ~CircleFilledRenderer() {}
-                       virtual void RenderUsingCPU() {ObjectRenderer::RenderUsingCPU();} //TODO: Implement
+                       virtual void RenderUsingCPU(const Objects & objects, const View & view, const CPURenderTarget & target);
        };
 }
+
+#endif //_OBJECT_RENDERER_H