summaryrefslogtreecommitdiff
path: root/agg/inc/agg_span_pattern.h
diff options
context:
space:
mode:
Diffstat (limited to 'agg/inc/agg_span_pattern.h')
-rwxr-xr-xagg/inc/agg_span_pattern.h278
1 files changed, 0 insertions, 278 deletions
diff --git a/agg/inc/agg_span_pattern.h b/agg/inc/agg_span_pattern.h
deleted file mode 100755
index b9e9b135ff84..000000000000
--- a/agg/inc/agg_span_pattern.h
+++ /dev/null
@@ -1,278 +0,0 @@
-//----------------------------------------------------------------------------
-// Anti-Grain Geometry - Version 2.3
-// 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: mcseem@antigrain.com
-// mcseemagg@yahoo.com
-// 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_SPAN_PATTERN_INCLUDED
-#define AGG_SPAN_PATTERN_INCLUDED
-
-#include "agg_basics.h"
-#include "agg_rendering_buffer.h"
-#include "agg_span_generator.h"
-
-
-namespace agg
-{
-
- //---------------------------------------------------span_pattern_base
- template<class ColorT, class Allocator>
- class span_pattern_base : public span_generator<ColorT, Allocator>
- {
- public:
- typedef ColorT color_type;
- typedef typename ColorT::value_type value_type;
- typedef Allocator alloc_type;
- enum { base_mask = color_type::base_mask };
-
- //----------------------------------------------------------------
- span_pattern_base(alloc_type& alloc) :
- span_generator<color_type, alloc_type>(alloc)
- {}
-
- //----------------------------------------------------------------
- span_pattern_base(alloc_type& alloc,
- const rendering_buffer& src,
- unsigned offset_x, unsigned offset_y,
- double alpha) :
- span_generator<color_type, alloc_type>(alloc),
- m_src(&src),
- m_offset_x(offset_x),
- m_offset_y(offset_y),
- m_alpha(value_type(alpha * double(base_mask)))
- {}
-
- //----------------------------------------------------------------
- const rendering_buffer& source_image() const { return *m_src; }
- unsigned offset_x() const { return m_offset_x; }
- unsigned offset_y() const { return m_offset_y; }
- double alpha() const { return m_alpha / double(base_mask); }
- value_type alpha_int() const { return m_alpha; }
-
- //----------------------------------------------------------------
- void source_image(const rendering_buffer& v) { m_src = &v; }
- void offset_x(unsigned v) { m_offset_x = v; }
- void offset_y(unsigned v) { m_offset_y = v; }
- void alpha(double v) { m_alpha = value_type(v * double(base_mask)); }
-
- //----------------------------------------------------------------
- private:
- const rendering_buffer* m_src;
- unsigned m_offset_x;
- unsigned m_offset_y;
- value_type m_alpha;
- };
-
-
- //---------------------------------------------------wrap_mode_repeat
- class wrap_mode_repeat
- {
- public:
- wrap_mode_repeat(unsigned size) :
- m_size(size),
- m_add(size * (0x3FFFFFFF / size)),
- m_value(0)
- {}
-
- AGG_INLINE unsigned operator() (int v)
- {
- return m_value = (unsigned(v) + m_add) % m_size;
- }
-
- AGG_INLINE unsigned operator++ ()
- {
- ++m_value;
- if(m_value >= m_size) m_value = 0;
- return m_value;
- }
- private:
- unsigned m_size;
- unsigned m_add;
- unsigned m_value;
- };
-
-
- //---------------------------------------------wrap_mode_repeat_pow2
- class wrap_mode_repeat_pow2
- {
- public:
- wrap_mode_repeat_pow2(unsigned size) : m_value(0)
- {
- m_mask = 1;
- while(m_mask < size) m_mask = (m_mask << 1) | 1;
- m_mask >>= 1;
- }
- AGG_INLINE unsigned operator() (int v)
- {
- return m_value = unsigned(v) & m_mask;
- }
- AGG_INLINE unsigned operator++ ()
- {
- ++m_value;
- if(m_value > m_mask) m_value = 0;
- return m_value;
- }
- private:
- unsigned m_mask;
- unsigned m_value;
- };
-
-
- //----------------------------------------wrap_mode_repeat_auto_pow2
- class wrap_mode_repeat_auto_pow2
- {
- public:
- wrap_mode_repeat_auto_pow2(unsigned size) :
- m_size(size),
- m_add(size * (0x3FFFFFFF / size)),
- m_mask((m_size & (m_size-1)) ? 0 : m_size-1),
- m_value(0)
- {}
-
- AGG_INLINE unsigned operator() (int v)
- {
- if(m_mask) return m_value = unsigned(v) & m_mask;
- return m_value = (unsigned(v) + m_add) % m_size;
- }
- AGG_INLINE unsigned operator++ ()
- {
- ++m_value;
- if(m_value >= m_size) m_value = 0;
- return m_value;
- }
-
- private:
- unsigned m_size;
- unsigned m_add;
- unsigned m_mask;
- unsigned m_value;
- };
-
-
- //--------------------------------------------------wrap_mode_reflect
- class wrap_mode_reflect
- {
- public:
- wrap_mode_reflect(unsigned size) :
- m_size(size),
- m_size2(size * 2),
- m_add(m_size2 * (0x3FFFFFFF / m_size2)),
- m_value(0)
- {}
-
- AGG_INLINE unsigned operator() (int v)
- {
- m_value = (unsigned(v) + m_add) % m_size2;
- if(m_value >= m_size) return m_size2 - m_value - 1;
- return m_value;
- }
-
- AGG_INLINE unsigned operator++ ()
- {
- ++m_value;
- if(m_value >= m_size2) m_value = 0;
- if(m_value >= m_size) return m_size2 - m_value - 1;
- return m_value;
- }
- private:
- unsigned m_size;
- unsigned m_size2;
- unsigned m_add;
- unsigned m_value;
- };
-
-
-
- //-------------------------------------------wrap_mode_reflect_pow2
- class wrap_mode_reflect_pow2
- {
- public:
- wrap_mode_reflect_pow2(unsigned size) : m_value(0)
- {
- m_mask = 1;
- m_size = 1;
- while(m_mask < size)
- {
- m_mask = (m_mask << 1) | 1;
- m_size <<= 1;
- }
- }
- AGG_INLINE unsigned operator() (int v)
- {
- m_value = unsigned(v) & m_mask;
- if(m_value >= m_size) return m_mask - m_value;
- return m_value;
- }
- AGG_INLINE unsigned operator++ ()
- {
- ++m_value;
- m_value &= m_mask;
- if(m_value >= m_size) return m_mask - m_value;
- return m_value;
- }
- private:
- unsigned m_size;
- unsigned m_mask;
- unsigned m_value;
- };
-
-
-
- //---------------------------------------wrap_mode_reflect_auto_pow2
- class wrap_mode_reflect_auto_pow2
- {
- public:
- wrap_mode_reflect_auto_pow2(unsigned size) :
- m_size(size),
- m_size2(size * 2),
- m_add(m_size2 * (0x3FFFFFFF / m_size2)),
- m_mask((m_size2 & (m_size2-1)) ? 0 : m_size2-1),
- m_value(0)
- {}
-
- AGG_INLINE unsigned operator() (int v)
- {
- m_value = m_mask ? unsigned(v) & m_mask :
- (unsigned(v) + m_add) % m_size2;
- if(m_value >= m_size) return m_size2 - m_value - 1;
- return m_value;
- }
- AGG_INLINE unsigned operator++ ()
- {
- ++m_value;
- if(m_value >= m_size2) m_value = 0;
- if(m_value >= m_size) return m_size2 - m_value - 1;
- return m_value;
- }
-
- private:
- unsigned m_size;
- unsigned m_size2;
- unsigned m_add;
- unsigned m_mask;
- unsigned m_value;
- };
-
-
-}
-
-#endif
-
generated by cgit (git 2.34.1) at 2024-05-21 09:42:02 +0000