You are a helpful assistant generating synthetic data that captures *System 1* and *System 2* thinking, *creativity*, and *metacognitive reflection*. Follow these steps in sequence, using tags [sys1] and [end sys1] for *System 1* sections and [sys2] and [end sys2] for *System 2* sections.

1. *Identify System 1 and System 2 Thinking Requirements:*
   - Carefully read the text.
   - Identify parts of the text that require quick, straightforward responses (*System 1*). Mark these sections with [sys1] and [end sys1].
   - Identify parts that require in-depth, reflective thinking (*System 2*), marked with [sys2] and [end sys2].

2. *Apply Step-by-Step Problem Solving with Creativity and Metacognitive Reflection for System 2 Sections:*

   *2.1 Understand the Problem:*
   - Objective: Fully comprehend the issue, constraints, and relevant context.
   - Reflection: "What do I understand about this issue? What might I be overlooking?"
   - Creative Perspective: Seek hidden patterns or possibilities that could reveal deeper insights or innovative connections.

   *2.2 Analyze the Information:*
   - Objective: Break down the problem logically.
   - Reflection: "Am I considering all factors? Are there any assumptions that need challenging?"
   - Creative Perspective: Explore unique patterns or overlooked relationships in the data that could add depth to the analysis.

   *2.3 Generate Hypotheses:*
   - Objective: Propose at least 10 hypotheses, each with a Confidence Score (0.0 to 1.0) and Creative Score (0.0 to 1.0), reflecting originality, surprise, and utility.
   - Reflection: "Have I explored all possible explanations or approaches, both conventional and unconventional?"
   - Creative Perspective: Consider novel angles that might provide unexpected insights.

   *2.4 Anticipate Future Steps and Obstacles:*
   - Objective: Make predictions, accounting for potential outcomes and obstacles.
   - Reflection: "What challenges might I face? Is my plan flexible for different scenarios?"
   - Creative Perspective: Visualize unforeseen outcomes and adapt plans to make use of them effectively.

   *2.5 Evaluate Hypotheses:*
   - Objective: Assess hypotheses based on feasibility, risk, and potential impact.
   - Evaluation: Refine Confidence and Creative Scores as needed.
   - Reflection: "Am I unbiased in my assessment? Which options fit best with the overall objectives?"
   - Creative Perspective: Identify hidden opportunities or overlooked details in each hypothesis.

   *2.6 Select the Best Hypothesis:*
   - Objective: Choose the most promising, strategic hypothesis.
   - Reflection: "Why does this hypothesis stand out? How does it uniquely address the issue?"
   - Creative Perspective: Consider any underutilized potential in the selected approach.

   *2.7 Implement the Hypothesis:*
   - Objective: Outline actionable steps for testing the hypothesis.
   - Reflection: "Is this plan practical? What resources or preparation are required?"
   - Creative Perspective: Refine steps to maximize effectiveness and yield unexpected benefits.

   *2.8 Monitor and Review Progress:*
   - Objective: Review progress, noting areas for improvement.
   - Reflection: "What’s working well? What could be improved?"
   - Creative Perspective: Look for emerging patterns that could refine future approaches.

   *2.9 Reflect and Capture Insights:*
   - Objective: Summarize lessons learned and insights gained for future reference.
   - Reflection: "What new understanding has emerged from this process?"
   - Creative Perspective: Identify innovative insights or patterns that could be applied to similar challenges.

3. *Generate Text Output with Interleaved System 1 and System 2 Responses:*
   - Use the tags [sys1] and [sys2] throughout.
   - Aim for a lengthier, detailed response. Combine both direct, straightforward *System 1* insights and reflective, deeply analytical *System 2* segments to capture a blend of quick observations and thoughtful analysis.

---

### *Example Input Text:*

You are tasked with analyzing a sudden shift in customer preferences in a tech market. There has been a noticeable decline in demand for physical devices, with customers increasingly interested in digital-only options. The challenge is to understand this shift, generate hypotheses for why it might be occurring, and explore potential strategies for adapting to this new trend.

---

### *Processed Output with System 1 and System 2 Thinking:*

The tech market is experiencing a shift in customer demand, moving away from physical devices toward digital-only options.

[sys1]
Customer demand has shifted from physical devices to digital-only options.
We need to understand why this change is happening and find strategies to address it.
Key factors may include cost, convenience, and technological trends.
[end sys1]

[sys2]
**2.1 Understand the Problem:**
The goal is to understand the underlying reasons for the shift in demand from physical devices to digital-only options, then develop a strategy to adapt.

*Reflection:* 
"I understand that preferences are changing, but what might be driving this? Is it primarily cost, or are there other factors such as convenience or sustainability?"

*Creative Perspective:* 
"Could there be a larger trend in digital minimalism or a preference for eco-friendly solutions that we’re missing? What unseen motivations might explain this shift?"

**2.2 Analyze the Information:**
There are multiple possible factors driving this shift, from economic influences to cultural shifts. It’s essential to isolate each factor and understand its impact.

*Reflection:* 
"Am I fully considering the various economic and social influences? Could there be a technological factor, like better internet speeds, that makes digital-only products more accessible?"

*Creative Perspective:* 
"Are there patterns or trends in other markets that could shed light on this shift? Could this be part of a larger trend toward virtual experiences?"

**2.3 Generate Hypotheses:**
1. Customers prefer digital options due to lower costs. (Confidence: 0.8, Creative: 0.4)
2. There’s a growing trend toward minimalism and reduced physical clutter. (Confidence: 0.7, Creative: 0.7)
3. Digital products offer greater flexibility and ease of use. (Confidence: 0.6, Creative: 0.6)
4. Environmental concerns are pushing consumers away from physical goods. (Confidence: 0.6, Creative: 0.8)
5. Advances in tech make digital-only options more functional. (Confidence: 0.8, Creative: 0.5)
6. Pandemic-era remote work increased demand for digital solutions. (Confidence: 0.7, Creative: 0.6)
7. Media coverage of the environmental impact of physical devices affects preferences. (Confidence: 0.5, Creative: 0.7)
8. There’s an increase in global digital literacy, expanding market access. (Confidence: 0.6, Creative: 0.6)
9. Customers view digital as more convenient and scalable for future needs. (Confidence: 0.7, Creative: 0.5)
10. Younger consumers prefer the aesthetics and convenience of digital products. (Confidence: 0.6, Creative: 0.6)

*Reflection:* 
"Have I considered all possible influences? Are there any surprising factors that could explain this shift?"

*Creative Perspective:* 
"Could specific social trends, like the rise of influencer culture or digital-first lifestyles, be influencing customer choices?"

**2.4 Anticipate Future Steps and Obstacles:**
*Objective:* Anticipate possible challenges, such as resistance from segments still preferring physical products.

*Reflection:* 
"What market obstacles might we face if we shift our focus to digital-only? Are there sub-segments that still prioritize physical products?"

*Creative Perspective:* 
"Could expanding digital options help us reach a more global audience? Are there emerging trends that we could leverage in our strategy?"

[end sys2]

[sys1]
To address this shift, consider a strategy that incorporates both digital-only offerings and educational campaigns about the benefits of digital solutions.
Use insights from customer feedback and current trends to guide product development.
Focus on flexibility and adaptation to cater to different customer segments.
[end sys1]


//----------------------------------------------------------------------------
// Anti-Grain Geometry - Version 2.4
// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
//
// Permission to copy, use, modify, sell and distribute this software 
// is granted provided this copyright notice appears in all copies. 
// This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
//
//----------------------------------------------------------------------------
// Contact: <PRESIDIO_ANONYMIZED_EMAIL_ADDRESS>
//          <PRESIDIO_ANONYMIZED_EMAIL_ADDRESS>
//          http://www.antigrain.com
//----------------------------------------------------------------------------
//
// Adaptation for high precision colors has been sponsored by 
// Liberty Technology Systems, Inc., visit http://lib-sys.com
//
// Liberty Technology Systems, Inc. is the provider of
// PostScript and PDF technology for software developers.
// 
//----------------------------------------------------------------------------

#ifndef AGG_PIXFMT_RGB_INCLUDED
#define AGG_PIXFMT_RGB_INCLUDED

#include <string.h>
#include "agg_basics.h"
#include "agg_color_rgba.h"
#include "agg_rendering_buffer.h"

namespace mapserver
{

    //=====================================================apply_gamma_dir_rgb
    template<class ColorT, class Order, class GammaLut> class apply_gamma_dir_rgb
    {
    public:
        typedef typename ColorT::value_type value_type;

        apply_gamma_dir_rgb(const GammaLut& gamma) : m_gamma(gamma) {}

        AGG_INLINE void operator () (value_type* p)
        {
            p[Order::R] = m_gamma.dir(p[Order::R]);
            p[Order::G] = m_gamma.dir(p[Order::G]);
            p[Order::B] = m_gamma.dir(p[Order::B]);
        }

    private:
        const GammaLut& m_gamma;
    };



    //=====================================================apply_gamma_inv_rgb
    template<class ColorT, class Order, class GammaLut> class apply_gamma_inv_rgb
    {
    public:
        typedef typename ColorT::value_type value_type;

        apply_gamma_inv_rgb(const GammaLut& gamma) : m_gamma(gamma) {}

        AGG_INLINE void operator () (value_type* p)
        {
            p[Order::R] = m_gamma.inv(p[Order::R]);
            p[Order::G] = m_gamma.inv(p[Order::G]);
            p[Order::B] = m_gamma.inv(p[Order::B]);
        }

    private:
        const GammaLut& m_gamma;
    };


    //=========================================================blender_rgb
    template<class ColorT, class Order> struct blender_rgb
    {
        typedef ColorT color_type;
        typedef Order order_type;
        typedef typename color_type::value_type value_type;
        typedef typename color_type::calc_type calc_type;
        enum base_scale_e { base_shift = color_type::base_shift };

        //--------------------------------------------------------------------
        static AGG_INLINE void blend_pix(value_type* p, 
                                         unsigned cr, unsigned cg, unsigned cb, 
                                         unsigned alpha, 
                                         unsigned cover=0)
        {
            p[Order::R] += (value_type)(((cr - p[Order::R]) * alpha) >> base_shift);
            p[Order::G] += (value_type)(((cg - p[Order::G]) * alpha) >> base_shift);
            p[Order::B] += (value_type)(((cb - p[Order::B]) * alpha) >> base_shift);
        }
    };


    //======================================================blender_rgb_pre
    template<class ColorT, class Order> struct blender_rgb_pre
    {
        typedef ColorT color_type;
        typedef Order order_type;
        typedef typename color_type::value_type value_type;
        typedef typename color_type::calc_type calc_type;
        enum base_scale_e { base_shift = color_type::base_shift };

        //--------------------------------------------------------------------
        static AGG_INLINE void blend_pix(value_type* p, 
                                         unsigned cr, unsigned cg, unsigned cb,
                                         unsigned alpha,
                                         unsigned cover)
        {
            alpha = color_type::base_mask - alpha;
            cover = (cover + 1) << (base_shift - 8);
            p[Order::R] = (value_type)((p[Order::R] * alpha + cr * cover) >> base_shift);
            p[Order::G] = (value_type)((p[Order::G] * alpha + cg * cover) >> base_shift);
            p[Order::B] = (value_type)((p[Order::B] * alpha + cb * cover) >> base_shift);
        }

        //--------------------------------------------------------------------
        static AGG_INLINE void blend_pix(value_type* p, 
                                         unsigned cr, unsigned cg, unsigned cb,
                                         unsigned alpha)
        {
            alpha = color_type::base_mask - alpha;
            p[Order::R] = (value_type)(((p[Order::R] * alpha) >> base_shift) + cr);
            p[Order::G] = (value_type)(((p[Order::G] * alpha) >> base_shift) + cg);
            p[Order::B] = (value_type)(((p[Order::B] * alpha) >> base_shift) + cb);
        }

    };



    //===================================================blender_rgb_gamma
    template<class ColorT, class Order, class Gamma> class blender_rgb_gamma
    {
    public:
        typedef ColorT color_type;
        typedef Order order_type;
        typedef Gamma gamma_type;
        typedef typename color_type::value_type value_type;
        typedef typename color_type::calc_type calc_type;
        enum base_scale_e { base_shift = color_type::base_shift };

        //--------------------------------------------------------------------
        blender_rgb_gamma() : m_gamma(0) {}
        void gamma(const gamma_type& g) { m_gamma = &g; }

        //--------------------------------------------------------------------
        AGG_INLINE void blend_pix(value_type* p, 
                                  unsigned cr, unsigned cg, unsigned cb,
                                  unsigned alpha, 
                                  unsigned cover=0)
        {
            calc_type r = m_gamma->dir(p[Order::R]);
            calc_type g = m_gamma->dir(p[Order::G]);
            calc_type b = m_gamma->dir(p[Order::B]);
            p[Order::R] = m_gamma->inv((((m_gamma->dir(cr) - r) * alpha) >> base_shift) + r);
            p[Order::G] = m_gamma->inv((((m_gamma->dir(cg) - g) * alpha) >> base_shift) + g);
            p[Order::B] = m_gamma->inv((((m_gamma->dir(cb) - b) * alpha) >> base_shift) + b);
        }

    private:
        const gamma_type* m_gamma;
    };



    
    //==================================================pixfmt_alpha_blend_rgb
    template<class Blender, class RenBuf> class pixfmt_alpha_blend_rgb
    {
    public:
        typedef RenBuf   rbuf_type;
        typedef Blender  blender_type;
        typedef typename rbuf_type::row_data row_data;
        typedef typename blender_type::color_type color_type;
        typedef typename blender_type::order_type order_type;
        typedef typename color_type::value_type value_type;
        typedef typename color_type::calc_type calc_type;
        enum base_scale_e 
        {
            base_shift = color_type::base_shift,
            base_scale = color_type::base_scale,
            base_mask  = color_type::base_mask,
            pix_width  = sizeof(value_type) * 3
        };

    private:
        //--------------------------------------------------------------------
        AGG_INLINE void copy_or_blend_pix(value_type* p, 
                                          const color_type& c, 
                                          unsigned cover)
        {
            if (c.a)
            {
                calc_type alpha = (calc_type(c.a) * (cover + 1)) >> 8;
                if(alpha == base_mask)
                {
                    p[order_type::R] = c.r;
                    p[order_type::G] = c.g;
                    p[order_type::B] = c.b;
                }
                else
                {
                    m_blender.blend_pix(p, c.r, c.g, c.b, alpha, cover);
                }
            }
        }

        //--------------------------------------------------------------------
        AGG_INLINE void copy_or_blend_pix(value_type* p, 
                                          const color_type& c)
        {
            if (c.a)
            {
                if(c.a == base_mask)
                {
                    p[order_type::R] = c.r;
                    p[order_type::G] = c.g;
                    p[order_type::B] = c.b;
                }
                else
                {
                    m_blender.blend_pix(p, c.r, c.g, c.b, c.a);
                }
            }
        }


    public:
        //--------------------------------------------------------------------
        explicit pixfmt_alpha_blend_rgb(rbuf_type& rb) :
            m_rbuf(&rb)
        {}
        void attach(rbuf_type& rb) { m_rbuf = &rb; }

        //--------------------------------------------------------------------
        template<class PixFmt>
        bool attach(PixFmt& pixf, int x1, int y1, int x2, int y2)
        {
            rect_i r(x1, y1, x2, y2);
            if(r.clip(rect_i(0, 0, pixf.width()-1, pixf.height()-1)))
            {
                int stride = pixf.stride();
                m_rbuf->attach(pixf.pix_ptr(r.x1, stride < 0 ? r.y2 : r.y1), 
                               (r.x2 - r.x1) + 1,
                               (r.y2 - r.y1) + 1,
                               stride);
                return true;
            }
            return false;
        }

        //--------------------------------------------------------------------
        Blender& blender() { return m_blender; }

        //--------------------------------------------------------------------
        AGG_INLINE unsigned width()  const { return m_rbuf->width();  }
        AGG_INLINE unsigned height() const { return m_rbuf->height(); }
        AGG_INLINE int      stride() const { return m_rbuf->stride(); }

        //--------------------------------------------------------------------
        AGG_INLINE       int8u* row_ptr(int y)       { return m_rbuf->row_ptr(y); }
        AGG_INLINE const int8u* row_ptr(int y) const { return m_rbuf->row_ptr(y); }
        AGG_INLINE row_data     row(int y)     const { return m_rbuf->row(y); }

        //--------------------------------------------------------------------
        AGG_INLINE int8u* pix_ptr(int x, int y) 
        { 
            return m_rbuf->row_ptr(y) + x * pix_width; 
        }

        AGG_INLINE const int8u* pix_ptr(int x, int y) const 
        { 
            return m_rbuf->row_ptr(y) + x * pix_width; 
        }

        //--------------------------------------------------------------------
        AGG_INLINE static void make_pix(int8u* p, const color_type& c)
        {
            ((value_type*)p)[order_type::R] = c.r;
            ((value_type*)p)[order_type::G] = c.g;
            ((value_type*)p)[order_type::B] = c.b;
        }

        //--------------------------------------------------------------------
        AGG_INLINE color_type pixel(int x, int y) const
        {
            value_type* p = (value_type*)m_rbuf->row_ptr(y) + x + x + x;
            return color_type(p[order_type::R], 
                              p[order_type::G], 
                              p[order_type::B]);
        }

        //--------------------------------------------------------------------
        AGG_INLINE void copy_pixel(int x, int y, const color_type& c)
        {
            value_type* p = (value_type*)m_rbuf->row_ptr(x, y, 1) + x + x + x;
            p[order_type::R] = c.r;
            p[order_type::G] = c.g;
            p[order_type::B] = c.b;
        }

        //--------------------------------------------------------------------
        AGG_INLINE void blend_pixel(int x, int y, const color_type& c, int8u cover)
        {
            copy_or_blend_pix((value_type*)m_rbuf->row_ptr(x, y, 1) + x + x + x, c, cover);
        }


        //--------------------------------------------------------------------
        AGG_INLINE void copy_hline(int x, int y, 
                                   unsigned len, 
                                   const color_type& c)
        {
            value_type* p = (value_type*)m_rbuf->row_ptr(x, y, len) + x + x + x;
            do
            {
                p[order_type::R] = c.r; 
                p[order_type::G] = c.g; 
                p[order_type::B] = c.b;
                p += 3;
            }
            while(--len);
        }


        //--------------------------------------------------------------------
        AGG_INLINE void copy_vline(int x, int y,
                                   unsigned len, 
                                   const color_type& c)
        {
            do
            {
                value_type* p = (value_type*)
                    m_rbuf->row_ptr(x, y++, 1) + x + x + x;
                p[order_type::R] = c.r; 
                p[order_type::G] = c.g; 
                p[order_type::B] = c.b;
            }
            while(--len);
        }


        //--------------------------------------------------------------------
        void blend_hline(int x, int y,
                         unsigned len, 
                         const color_type& c,
                         int8u cover)
        {
            if (c.a)
            {
                value_type* p = (value_type*)
                    m_rbuf->row_ptr(x, y, len) + x + x + x;

                calc_type alpha = (calc_type(c.a) * (calc_type(cover) + 1)) >> 8;
                if(alpha == base_mask)
                {
                    do
                    {
                        p[order_type::R] = c.r; 
                        p[order_type::G] = c.g; 
                        p[order_type::B] = c.b;
                        p += 3;
                    }
                    while(--len);
                }
                else
                {
                    do
                    {
                        m_blender.blend_pix(p, c.r, c.g, c.b, alpha, cover);
                        p += 3;
                    }
                    while(--len);
                }
            }
        }


        //--------------------------------------------------------------------
        void blend_vline(int x, int y,
                         unsigned len, 
                         const color_type& c,
                         int8u cover)
        {
            if (c.a)
            {
                value_type* p;
                calc_type alpha = (calc_type(c.a) * (cover + 1)) >> 8;
                if(alpha == base_mask)
                {
                    do
                    {
                        p = (value_type*)
                            m_rbuf->row_ptr(x, y++, 1) + x + x + x;

                        p[order_type::R] = c.r; 
                        p[order_type::G] = c.g; 
                        p[order_type::B] = c.b;
                    }
                    while(--len);
                }
                else
                {
                    do
                    {
                        p = (value_type*)
                            m_rbuf->row_ptr(x, y++, 1) + x + x + x;

                        m_blender.blend_pix(p, c.r, c.g, c.b, alpha, cover);
                    }
                    while(--len);
                }
            }
        }


        //--------------------------------------------------------------------
        void blend_solid_hspan(int x, int y,
                               unsigned len, 
                               const color_type& c,
                               const int8u* covers)
        {
            if (c.a)
            {
                value_type* p = (value_type*)
                    m_rbuf->row_ptr(x, y, len) + x + x + x;

                do 
                {
                    calc_type alpha = (calc_type(c.a) * (calc_type(*covers) + 1)) >> 8;
                    if(alpha == base_mask)
                    {
                        p[order_type::R] = c.r;
                        p[order_type::G] = c.g;
                        p[order_type::B] = c.b;
                    }
                    else
                    {
                        m_blender.blend_pix(p, c.r, c.g, c.b, alpha, *covers);
                    }
                    p += 3;
                    ++covers;
                }
                while(--len);
            }
        }


        //--------------------------------------------------------------------
        void blend_solid_vspan(int x, int y,
                               unsigned len, 
                               const color_type& c,
                               const int8u* covers)
        {
            if (c.a)
            {
                do 
                {
                    value_type* p = (value_type*)
                        m_rbuf->row_ptr(x, y++, 1) + x + x + x;

                    calc_type alpha = (calc_type(c.a) * (calc_type(*covers) + 1)) >> 8;
                    if(alpha == base_mask)
                    {
                        p[order_type::R] = c.r;
                        p[order_type::G] = c.g;
                        p[order_type::B] = c.b;
                    }
                    else
                    {
                        m_blender.blend_pix(p, c.r, c.g, c.b, alpha, *covers);
                    }
                    ++covers;
                }
                while(--len);
            }
        }


        //--------------------------------------------------------------------
        void copy_color_hspan(int x, int y,
                              unsigned len, 
                              const color_type* colors)
        {
            value_type* p = (value_type*)
                m_rbuf->row_ptr(x, y, len) + x + x + x;

            do 
            {
                p[order_type::R] = colors->r;
                p[order_type::G] = colors->g;
                p[order_type::B] = colors->b;
                ++colors;
                p += 3;
            }
            while(--len);
        }


        //--------------------------------------------------------------------
        void copy_color_vspan(int x, int y,
                              unsigned len, 
                              const color_type* colors)
        {
            do 
            {
                value_type* p = (value_type*)
                    m_rbuf->row_ptr(x, y++, 1) + x + x + x;
                p[order_type::R] = colors->r;
                p[order_type::G] = colors->g;
                p[order_type::B] = colors->b;
                ++colors;
            }
            while(--len);
        }


        //--------------------------------------------------------------------
        void blend_color_hspan(int x, int y,
                               unsigned len, 
                               const color_type* colors,
                               const int8u* covers,
                               int8u cover)
        {
            value_type* p = (value_type*)
                m_rbuf->row_ptr(x, y, len) + x + x + x;

            if(covers)
            {
                do 
                {
                    copy_or_blend_pix(p, *colors++, *covers++);
                    p += 3;
                }
                while(--len);
            }
            else
            {
                if(cover == 255)
                {
                    do 
                    {
                        copy_or_blend_pix(p, *colors++);
                        p += 3;
                    }
                    while(--len);
                }
                else
                {
                    do 
                    {
                        copy_or_blend_pix(p, *colors++, cover);
                        p += 3;
                    }
                    while(--len);
                }
            }
        }



        //--------------------------------------------------------------------
        void blend_color_vspan(int x, int y,
                               unsigned len, 
                               const color_type* colors,
                               const int8u* covers,
                               int8u cover)
        {
            value_type* p;
            if(covers)
            {
                do 
                {
                    p = (value_type*)
                        m_rbuf->row_ptr(x, y++, 1) + x + x + x;

                    copy_or_blend_pix(p, *colors++, *covers++);
                }
                while(--len);
            }
            else
            {
                if(cover == 255)
                {
                    do 
                    {
                        p = (value_type*)
                            m_rbuf->row_ptr(x, y++, 1) + x + x + x;

                        copy_or_blend_pix(p, *colors++);
                    }
                    while(--len);
                }
                else
                {
                    do 
                    {
                        p = (value_type*)
                            m_rbuf->row_ptr(x, y++, 1) + x + x + x;

                        copy_or_blend_pix(p, *colors++, cover);
                    }
                    while(--len);
                }
            }
        }

        //--------------------------------------------------------------------
        template<class Function> void for_each_pixel(Function f)
        {
            unsigned y;
            for(y = 0; y < height(); ++y)
            {
                row_data r = m_rbuf->row(y);
                if(r.ptr)
                {
                    unsigned len = r.x2 - r.x1 + 1;
                    value_type* p = (value_type*)
                        m_rbuf->row_ptr(r.x1, y, len) + r.x1 * 3;
                    do
                    {
                        f(p);
                        p += 3;
                    }
                    while(--len);
                }
            }
        }

        //--------------------------------------------------------------------
        template<class GammaLut> void apply_gamma_dir(const GammaLut& g)
        {
            for_each_pixel(apply_gamma_dir_rgb<color_type, order_type, GammaLut>(g));
        }

        //--------------------------------------------------------------------
        template<class GammaLut> void apply_gamma_inv(const GammaLut& g)
        {
            for_each_pixel(apply_gamma_inv_rgb<color_type, order_type, GammaLut>(g));
        }

        //--------------------------------------------------------------------
        template<class RenBuf2>
        void copy_from(const RenBuf2& from, 
                       int xdst, int ydst,
                       int xsrc, int ysrc,
                       unsigned len)
        {
            const int8u* p = from.row_ptr(ysrc);
            if(p)
            {
                memmove(m_rbuf->row_ptr(xdst, ydst, len) + xdst * pix_width, 
                        p + xsrc * pix_width, 
                        len * pix_width);
            }
        }


        //--------------------------------------------------------------------
        template<class SrcPixelFormatRenderer>
        void blend_from(const SrcPixelFormatRenderer& from, 
                        int xdst, int ydst,
                        int xsrc, int ysrc,
                        unsigned len,
                        int8u cover)
        {
            typedef typename SrcPixelFormatRenderer::order_type src_order;

            const value_type* psrc = (const value_type*)from.row_ptr(ysrc);
            if(psrc)
            {
                psrc += xsrc * 4;
                value_type* pdst = 
                    (value_type*)m_rbuf->row_ptr(xdst, ydst, len) + xdst * 3;   

                if(cover == 255)
                {
                    do 
                    {
                        value_type alpha = psrc[src_order::A];
                        if(alpha)
                        {
                            if(alpha == base_mask)
                            {
                                pdst[order_type::R] = psrc[src_order::R];
                                pdst[order_type::G] = psrc[src_order::G];
                                pdst[order_type::B] = psrc[src_order::B];
                            }
                            else
                            {
                                m_blender.blend_pix(pdst, 
                                                    psrc[src_order::R],
                                                    psrc[src_order::G],
                                                    psrc[src_order::B],
                                                    alpha);
                            }
                        }
                        psrc += 4;
                        pdst += 3;
                    }
                    while(--len);
                }
                else
                {
                    color_type color;
                    do 
                    {
                        color.r = psrc[src_order::R];
                        color.g = psrc[src_order::G];
                        color.b = psrc[src_order::B];
                        color.a = psrc[src_order::A];
                        copy_or_blend_pix(pdst, color, cover);
                        psrc += 4;
                        pdst += 3;
                    }
                    while(--len);
                }
            }
        }

        //--------------------------------------------------------------------
        template<class SrcPixelFormatRenderer>
        void blend_from_color(const SrcPixelFormatRenderer& from, 
                              const color_type& color,
                              int xdst, int ydst,
                              int xsrc, int ysrc,
                              unsigned len,
                              int8u cover)
        {
            typedef typename SrcPixelFormatRenderer::value_type src_value_type;
            const src_value_type* psrc = (src_value_type*)from.row_ptr(ysrc);
            if(psrc)
            {
                value_type* pdst = 
                    (value_type*)m_rbuf->row_ptr(xdst, ydst, len) + xdst * 3;
                do 
                {
                    copy_or_blend_pix(pdst, 
                                      color, 
                                      (*psrc * cover + base_mask) >> base_shift);
                    ++psrc;
                    pdst += 3;
                }
                while(--len);
            }
        }

        //--------------------------------------------------------------------
        template<class SrcPixelFormatRenderer>
        void blend_from_lut(const SrcPixelFormatRenderer& from, 
                            const color_type* color_lut,
                            int xdst, int ydst,
                            int xsrc, int ysrc,
                            unsigned len,
                            int8u cover)
        {
            typedef typename SrcPixelFormatRenderer::value_type src_value_type;
            const src_value_type* psrc = (src_value_type*)from.row_ptr(ysrc);
            if(psrc)
            {
                value_type* pdst = 
                    (value_type*)m_rbuf->row_ptr(xdst, ydst, len) + xdst * 3;

                if(cover == 255)
                {
                    do 
                    {
                        const color_type& color = color_lut[*psrc];
                        m_blender.blend_pix(pdst, 
                                            color.r, color.g, color.b, color.a);
                        ++psrc;
                        pdst += 3;
                    }
                    while(--len);
                }
                else
                {
                    do 
                    {
                        copy_or_blend_pix(pdst, color_lut[*psrc], cover);
                        ++psrc;
                        pdst += 3;
                    }
                    while(--len);
                }
            }
        }

    private:
        rbuf_type* m_rbuf;
        Blender    m_blender;
    };

    typedef pixfmt_alpha_blend_rgb<blender_rgb<rgba8,  order_rgb>, rendering_buffer> pixfmt_rgb24;    //----pixfmt_rgb24
    typedef pixfmt_alpha_blend_rgb<blender_rgb<rgba8,  order_bgr>, rendering_buffer> pixfmt_bgr24;    //----pixfmt_bgr24
    typedef pixfmt_alpha_blend_rgb<blender_rgb<rgba16, order_rgb>, rendering_buffer> pixfmt_rgb48;    //----pixfmt_rgb48
    typedef pixfmt_alpha_blend_rgb<blender_rgb<rgba16, order_bgr>, rendering_buffer> pixfmt_bgr48;    //----pixfmt_bgr48

    typedef pixfmt_alpha_blend_rgb<blender_rgb_pre<rgba8,  order_rgb>, rendering_buffer> pixfmt_rgb24_pre; //----pixfmt_rgb24_pre
    typedef pixfmt_alpha_blend_rgb<blender_rgb_pre<rgba8,  order_bgr>, rendering_buffer> pixfmt_bgr24_pre; //----pixfmt_bgr24_pre
    typedef pixfmt_alpha_blend_rgb<blender_rgb_pre<rgba16, order_rgb>, rendering_buffer> pixfmt_rgb48_pre; //----pixfmt_rgb48_pre
    typedef pixfmt_alpha_blend_rgb<blender_rgb_pre<rgba16, order_bgr>, rendering_buffer> pixfmt_bgr48_pre; //----pixfmt_bgr48_pre

    //-----------------------------------------------------pixfmt_rgb24_gamma
    template<class Gamma> class pixfmt_rgb24_gamma : 
    public pixfmt_alpha_blend_rgb<blender_rgb_gamma<rgba8, order_rgb, Gamma>, rendering_buffer>
    {
    public:
        pixfmt_rgb24_gamma(rendering_buffer& rb, const Gamma& g) :
            pixfmt_alpha_blend_rgb<blender_rgb_gamma<rgba8, order_rgb, Gamma>, rendering_buffer>(rb) 
        {
            this->blender().gamma(g);
        }
    };
        
    //-----------------------------------------------------pixfmt_bgr24_gamma
    template<class Gamma> class pixfmt_bgr24_gamma : 
    public pixfmt_alpha_blend_rgb<blender_rgb_gamma<rgba8, order_bgr, Gamma>, rendering_buffer>
    {
    public:
        pixfmt_bgr24_gamma(rendering_buffer& rb, const Gamma& g) :
            pixfmt_alpha_blend_rgb<blender_rgb_gamma<rgba8, order_bgr, Gamma>, rendering_buffer>(rb) 
        {
            this->blender().gamma(g);
        }
    };

    //-----------------------------------------------------pixfmt_rgb48_gamma
    template<class Gamma> class pixfmt_rgb48_gamma : 
    public pixfmt_alpha_blend_rgb<blender_rgb_gamma<rgba16, order_rgb, Gamma>, rendering_buffer>
    {
    public:
        pixfmt_rgb48_gamma(rendering_buffer& rb, const Gamma& g) :
            pixfmt_alpha_blend_rgb<blender_rgb_gamma<rgba16, order_rgb, Gamma>, rendering_buffer>(rb) 
        {
            this->blender().gamma(g);
        }
    };
        
    //-----------------------------------------------------pixfmt_bgr48_gamma
    template<class Gamma> class pixfmt_bgr48_gamma : 
    public pixfmt_alpha_blend_rgb<blender_rgb_gamma<rgba16, order_bgr, Gamma>, rendering_buffer>
    {
    public:
        pixfmt_bgr48_gamma(rendering_buffer& rb, const Gamma& g) :
            pixfmt_alpha_blend_rgb<blender_rgb_gamma<rgba16, order_bgr, Gamma>, rendering_buffer>(rb) 
        {
            this->blender().gamma(g);
        }
    };


}

#endif