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SF.net SVN: matplotlib:[8465] trunk/matplotlib/agg24/include/agg_scanline_u .h
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From: <md...@us...> - 2010-06-24 18:25:23
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Revision: 8465
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8465&view=rev
Author: mdboom
Date: 2010-06-24 18:25:16 +0000 (Thu, 24 Jun 2010)
Log Message:
-----------
[3018198] Fixing the build with clang
Typo in agg causes a template instantiation bug on compilers that actually instantiate everything.
Modified Paths:
--------------
trunk/matplotlib/agg24/include/agg_scanline_u.h
Modified: trunk/matplotlib/agg24/include/agg_scanline_u.h
===================================================================
--- trunk/matplotlib/agg24/include/agg_scanline_u.h 2010-06-24 17:59:48 UTC (rev 8464)
+++ trunk/matplotlib/agg24/include/agg_scanline_u.h 2010-06-24 18:25:16 UTC (rev 8465)
@@ -2,8 +2,8 @@
// 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.
+// 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.
//
@@ -13,12 +13,12 @@
// http://www.antigrain.com
//----------------------------------------------------------------------------
//
-// Adaptation for 32-bit screen coordinates (scanline32_u) has been sponsored by
+// Adaptation for 32-bit screen coordinates (scanline32_u) 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_SCANLINE_U_INCLUDED
@@ -32,22 +32,22 @@
//
// Unpacked scanline container class
//
- // This class is used to transfer data from a scanline rasterizer
- // to the rendering buffer. It's organized very simple. The class stores
- // information of horizontal spans to render it into a pixel-map buffer.
- // Each span has staring X, length, and an array of bytes that determine the
- // cover-values for each pixel.
- // Before using this class you should know the minimal and maximal pixel
+ // This class is used to transfer data from a scanline rasterizer
+ // to the rendering buffer. It's organized very simple. The class stores
+ // information of horizontal spans to render it into a pixel-map buffer.
+ // Each span has staring X, length, and an array of bytes that determine the
+ // cover-values for each pixel.
+ // Before using this class you should know the minimal and maximal pixel
// coordinates of your scanline. The protocol of using is:
// 1. reset(min_x, max_x)
- // 2. add_cell() / add_span() - accumulate scanline.
+ // 2. add_cell() / add_span() - accumulate scanline.
// When forming one scanline the next X coordinate must be always greater
// than the last stored one, i.e. it works only with ordered coordinates.
// 3. Call finalize(y) and render the scanline.
// 3. Call reset_spans() to prepare for the new scanline.
- //
+ //
// 4. Rendering:
- //
+ //
// Scanline provides an iterator class that allows you to extract
// the spans and the cover values for each pixel. Be aware that clipping
// has not been done yet, so you should perform it yourself.
@@ -61,10 +61,10 @@
// ************************************
//
// scanline_u8::const_iterator span = sl.begin();
- //
- // unsigned char* row = m_rbuf->row(y); // The the address of the beginning
+ //
+ // unsigned char* row = m_rbuf->row(y); // The the address of the beginning
// // of the current row
- //
+ //
// unsigned num_spans = sl.num_spans(); // Number of spans. It's guaranteed that
// // num_spans is always greater than 0.
//
@@ -75,7 +75,7 @@
//
// int num_pix = span->len; // Number of pixels of the span.
// // Always greater than 0, still it's
- // // better to use "int" instead of
+ // // better to use "int" instead of
// // "unsigned" because it's more
// // convenient for clipping
// int x = span->x;
@@ -86,24 +86,24 @@
// **************************************
//
// unsigned char* dst = row + x; // Calculate the start address of the row.
- // // In this case we assume a simple
+ // // In this case we assume a simple
// // grayscale image 1-byte per pixel.
// do
// {
- // *dst++ = *covers++; // Hypotetical rendering.
+ // *dst++ = *covers++; // Hypotetical rendering.
// }
// while(--num_pix);
//
// ++span;
- // }
+ // }
// while(--num_spans); // num_spans cannot be 0, so this loop is quite safe
//------------------------------------------------------------------------
//
// The question is: why should we accumulate the whole scanline when we
// could render just separate spans when they're ready?
- // That's because using the scanline is generally faster. When is consists
+ // That's because using the scanline is generally faster. When is consists
// of more than one span the conditions for the processor cash system
- // are better, because switching between two different areas of memory
+ // are better, because switching between two different areas of memory
// (that can be very large) occurs less frequently.
//------------------------------------------------------------------------
class scanline_u8
@@ -203,9 +203,9 @@
}
//--------------------------------------------------------------------
- void finalize(int y)
- {
- m_y = y;
+ void finalize(int y)
+ {
+ m_y = y;
}
//--------------------------------------------------------------------
@@ -238,11 +238,11 @@
//==========================================================scanline_u8_am
- //
+ //
// The scanline container with alpha-masking
- //
+ //
//------------------------------------------------------------------------
- template<class AlphaMask>
+ template<class AlphaMask>
class scanline_u8_am : public scanline_u8
{
public:
@@ -264,9 +264,9 @@
unsigned count = base_type::num_spans();
do
{
- m_alpha_mask->combine_hspan(span->x,
- base_type::y(),
- span->covers,
+ m_alpha_mask->combine_hspan(span->x,
+ base_type::y(),
+ span->covers,
span->len);
++span;
}
@@ -390,8 +390,8 @@
}
else
{
- m_spans.add(span(coord_type(x + m_min_x),
- coord_type(len),
+ m_spans.add(span(coord_type(x + m_min_x),
+ coord_type(len),
&m_covers[x]));
}
m_last_x = x + len - 1;
@@ -408,17 +408,17 @@
}
else
{
- m_spans.add(span(coord_type(x + m_min_x),
- coord_type(len),
+ m_spans.add(span(coord_type(x + m_min_x),
+ coord_type(len),
&m_covers[x]));
}
m_last_x = x + len - 1;
}
//--------------------------------------------------------------------
- void finalize(int y)
- {
- m_y = y;
+ void finalize(int y)
+ {
+ m_y = y;
}
//--------------------------------------------------------------------
@@ -450,15 +450,15 @@
//========================================================scanline32_u8_am
- //
+ //
// The scanline container with alpha-masking
- //
+ //
//------------------------------------------------------------------------
- template<class AlphaMask>
+ template<class AlphaMask>
class scanline32_u8_am : public scanline32_u8
{
public:
- typedef scanline_u8 base_type;
+ typedef scanline32_u8 base_type;
typedef AlphaMask alpha_mask_type;
typedef base_type::cover_type cover_type;
typedef base_type::coord_type coord_type;
@@ -477,9 +477,9 @@
unsigned count = base_type::num_spans();
do
{
- m_alpha_mask->combine_hspan(span->x,
- base_type::y(),
- span->covers,
+ m_alpha_mask->combine_hspan(span->x,
+ base_type::y(),
+ span->covers,
span->len);
++span;
}
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