summaryrefslogtreecommitdiff
path: root/agg/inc/agg_renderer_mclip.h
diff options
context:
space:
mode:
Diffstat (limited to 'agg/inc/agg_renderer_mclip.h')
-rwxr-xr-xagg/inc/agg_renderer_mclip.h383
1 files changed, 383 insertions, 0 deletions
diff --git a/agg/inc/agg_renderer_mclip.h b/agg/inc/agg_renderer_mclip.h
new file mode 100755
index 000000000000..dc758b9ea72d
--- /dev/null
+++ b/agg/inc/agg_renderer_mclip.h
@@ -0,0 +1,383 @@
+//----------------------------------------------------------------------------
+// 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
+//----------------------------------------------------------------------------
+//
+// class renderer_mclip
+//
+//----------------------------------------------------------------------------
+
+#ifndef AGG_RENDERER_MCLIP_INCLUDED
+#define AGG_RENDERER_MCLIP_INCLUDED
+
+#include "agg_basics.h"
+#include "agg_array.h"
+#include "agg_renderer_base.h"
+
+namespace agg
+{
+
+ //----------------------------------------------------------renderer_mclip
+ template<class PixelFormat> class renderer_mclip
+ {
+ public:
+ typedef PixelFormat pixfmt_type;
+ typedef typename pixfmt_type::color_type color_type;
+ typedef renderer_base<pixfmt_type> base_ren_type;
+
+ //--------------------------------------------------------------------
+ renderer_mclip(pixfmt_type& ren) :
+ m_ren(ren),
+ m_curr_cb(0),
+ m_bounds(m_ren.xmin(), m_ren.ymin(), m_ren.xmax(), m_ren.ymax())
+ {
+ }
+
+ //--------------------------------------------------------------------
+ const pixfmt_type& ren() const { return m_ren.ren(); }
+ pixfmt_type& ren() { return m_ren.ren(); }
+
+ //--------------------------------------------------------------------
+ unsigned width() const { return m_ren.width(); }
+ unsigned height() const { return m_ren.height(); }
+
+ //--------------------------------------------------------------------
+ const rect& clip_box() const { return m_ren.clip_box(); }
+ int xmin() const { return m_ren.xmin(); }
+ int ymin() const { return m_ren.ymin(); }
+ int xmax() const { return m_ren.xmax(); }
+ int ymax() const { return m_ren.ymax(); }
+
+ //--------------------------------------------------------------------
+ const rect& bounding_clip_box() const { return m_bounds; }
+ int bounding_xmin() const { return m_bounds.x1; }
+ int bounding_ymin() const { return m_bounds.y1; }
+ int bounding_xmax() const { return m_bounds.x2; }
+ int bounding_ymax() const { return m_bounds.y2; }
+
+ //--------------------------------------------------------------------
+ void first_clip_box()
+ {
+ m_curr_cb = 0;
+ if(m_clip.size())
+ {
+ const rect& cb = m_clip[0];
+ m_ren.clip_box_naked(cb.x1, cb.y1, cb.x2, cb.y2);
+ }
+ }
+
+ //--------------------------------------------------------------------
+ bool next_clip_box()
+ {
+ if(++m_curr_cb < m_clip.size())
+ {
+ const rect& cb = m_clip[m_curr_cb];
+ m_ren.clip_box_naked(cb.x1, cb.y1, cb.x2, cb.y2);
+ return true;
+ }
+ return false;
+ }
+
+ //--------------------------------------------------------------------
+ void reset_clipping(bool visibility)
+ {
+ m_ren.reset_clipping(visibility);
+ m_clip.remove_all();
+ m_curr_cb = 0;
+ m_bounds = m_ren.clip_box();
+ }
+
+ //--------------------------------------------------------------------
+ void add_clip_box(int x1, int y1, int x2, int y2)
+ {
+ rect cb(x1, y1, x2, y2);
+ cb.normalize();
+ if(cb.clip(rect(0, 0, width() - 1, height() - 1)))
+ {
+ m_clip.add(cb);
+ if(cb.x1 < m_bounds.x1) m_bounds.x1 = cb.x1;
+ if(cb.y1 < m_bounds.y1) m_bounds.y1 = cb.y1;
+ if(cb.x2 > m_bounds.x2) m_bounds.x2 = cb.x2;
+ if(cb.y2 > m_bounds.y2) m_bounds.y2 = cb.y2;
+ }
+ }
+
+ //--------------------------------------------------------------------
+ void clear(const color_type& c)
+ {
+ m_ren.clear(c);
+ }
+
+ //--------------------------------------------------------------------
+ void copy_pixel(int x, int y, const color_type& c)
+ {
+ first_clip_box();
+ do
+ {
+ if(m_ren.inbox(x, y))
+ {
+ m_ren.ren().copy_pixel(x, y, c);
+ break;
+ }
+ }
+ while(next_clip_box());
+ }
+
+ //--------------------------------------------------------------------
+ void blend_pixel(int x, int y, const color_type& c, cover_type cover)
+ {
+ first_clip_box();
+ do
+ {
+ if(m_ren.inbox(x, y))
+ {
+ m_ren.ren().blend_pixel(x, y, c, cover);
+ break;
+ }
+ }
+ while(next_clip_box());
+ }
+
+ //--------------------------------------------------------------------
+ color_type pixel(int x, int y) const
+ {
+ first_clip_box();
+ do
+ {
+ if(m_ren.inbox(x, y))
+ {
+ return m_ren.ren().pixel(x, y);
+ }
+ }
+ while(next_clip_box());
+ return color_type::no_color();
+ }
+
+ //--------------------------------------------------------------------
+ void copy_hline(int x1, int y, int x2, const color_type& c)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.copy_hline(x1, y, x2, c);
+ }
+ while(next_clip_box());
+ }
+
+ //--------------------------------------------------------------------
+ void copy_vline(int x, int y1, int y2, const color_type& c)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.copy_vline(x, y1, y2, c);
+ }
+ while(next_clip_box());
+ }
+
+ //--------------------------------------------------------------------
+ void blend_hline(int x1, int y, int x2,
+ const color_type& c, cover_type cover)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.blend_hline(x1, y, x2, c, cover);
+ }
+ while(next_clip_box());
+ }
+
+ //--------------------------------------------------------------------
+ void blend_vline(int x, int y1, int y2,
+ const color_type& c, cover_type cover)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.blend_vline(x, y1, y2, c, cover);
+ }
+ while(next_clip_box());
+ }
+
+ //--------------------------------------------------------------------
+ void copy_bar(int x1, int y1, int x2, int y2, const color_type& c)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.copy_bar(x1, y1, x2, y2, c);
+ }
+ while(next_clip_box());
+ }
+
+ //--------------------------------------------------------------------
+ void blend_bar(int x1, int y1, int x2, int y2,
+ const color_type& c, cover_type cover)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.blend_bar(x1, y1, x2, y2, c, cover);
+ }
+ while(next_clip_box());
+ }
+
+
+ //--------------------------------------------------------------------
+ void blend_solid_hspan(int x, int y, int len,
+ const color_type& c, const cover_type* covers)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.blend_solid_hspan(x, y, len, c, covers);
+ }
+ while(next_clip_box());
+ }
+
+ //--------------------------------------------------------------------
+ void blend_solid_vspan(int x, int y, int len,
+ const color_type& c, const cover_type* covers)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.blend_solid_vspan(x, y, len, c, covers);
+ }
+ while(next_clip_box());
+ }
+
+ //--------------------------------------------------------------------
+ void blend_color_hspan(int x, int y, int len,
+ const color_type* colors,
+ const cover_type* covers,
+ cover_type cover = cover_full)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.blend_color_hspan(x, y, len, colors, covers, cover);
+ }
+ while(next_clip_box());
+ }
+
+ //--------------------------------------------------------------------
+ void blend_color_vspan(int x, int y, int len,
+ const color_type* colors,
+ const cover_type* covers,
+ cover_type cover = cover_full)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.blend_color_hspan(x, y, len, colors, covers, cover);
+ }
+ while(next_clip_box());
+ }
+
+
+ //--------------------------------------------------------------------
+ void blend_qpaque_color_hspan(int x, int y, int len,
+ const color_type* colors,
+ const cover_type* covers,
+ cover_type cover = cover_full)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.blend_opaque_color_hspan(x, y, len, colors, covers, cover);
+ }
+ while(next_clip_box());
+ }
+
+ //--------------------------------------------------------------------
+ void blend_opaque_color_vspan(int x, int y, int len,
+ const color_type* colors,
+ const cover_type* covers,
+ cover_type cover = cover_full)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.blend_opaque_color_hspan(x, y, len, colors, covers, cover);
+ }
+ while(next_clip_box());
+ }
+
+
+ //--------------------------------------------------------------------
+ void blend_color_hspan_no_clip(int x, int y, int len,
+ const color_type* colors,
+ const cover_type* covers,
+ cover_type cover = cover_full)
+ {
+ m_ren.blend_color_hspan_no_clip(x, y, len, colors, covers, cover);
+ }
+
+ //--------------------------------------------------------------------
+ void blend_color_vspan_no_clip(int x, int y, int len,
+ const color_type* colors,
+ const cover_type* covers,
+ cover_type cover = cover_full)
+ {
+ m_ren.blend_color_vspan_no_clip(x, y, len, colors, covers, cover);
+ }
+
+ //--------------------------------------------------------------------
+ void blend_opaque_color_hspan_no_clip(int x, int y, int len,
+ const color_type* colors,
+ const cover_type* covers,
+ cover_type cover = cover_full)
+ {
+ m_ren.blend_opaque_color_hspan_no_clip(x, y, len, colors, covers, cover);
+ }
+
+ //--------------------------------------------------------------------
+ void blend_opaque_color_vspan_no_clip(int x, int y, int len,
+ const color_type* colors,
+ const cover_type* covers,
+ cover_type cover = cover_full)
+ {
+ m_ren.blend_opaque_color_vspan_no_clip(x, y, len, colors, covers, cover);
+ }
+
+
+ //--------------------------------------------------------------------
+ void copy_from(const rendering_buffer& from,
+ const rect* rc=0,
+ int x_to=0,
+ int y_to=0)
+ {
+ first_clip_box();
+ do
+ {
+ m_ren.copy_from(from, rc, x_to, y_to);
+ }
+ while(next_clip_box());
+ }
+
+ private:
+ renderer_mclip(const renderer_mclip<PixelFormat>&);
+ const renderer_mclip<PixelFormat>&
+ operator = (const renderer_mclip<PixelFormat>&);
+
+ base_ren_type m_ren;
+ pod_deque<rect, 4> m_clip;
+ unsigned m_curr_cb;
+ rect m_bounds;
+ };
+
+
+}
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-16 04:11:01 +0000