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authorMatthias Melcher <fltk@matthiasm.com>2016-01-26 21:10:49 +0000
committerMatthias Melcher <fltk@matthiasm.com>2016-01-26 21:10:49 +0000
commit6694780c2d02d645f053fd60864c9ff035296a64 (patch)
treefd205fc40c3b1b0aa432bbc1bdbe2c78f3d1c60b /src/drivers/GDI/Fl_GDI_Graphics_Driver_vertex.cxx
parentac275b89bcd8333dd1b05bfc9f6fc0accd8e065d (diff)
Moving GDI/WIN32 files to new directroy structure
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11058 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Diffstat (limited to 'src/drivers/GDI/Fl_GDI_Graphics_Driver_vertex.cxx')
-rw-r--r--src/drivers/GDI/Fl_GDI_Graphics_Driver_vertex.cxx127
1 files changed, 127 insertions, 0 deletions
diff --git a/src/drivers/GDI/Fl_GDI_Graphics_Driver_vertex.cxx b/src/drivers/GDI/Fl_GDI_Graphics_Driver_vertex.cxx
new file mode 100644
index 000000000..ee12c9ad8
--- /dev/null
+++ b/src/drivers/GDI/Fl_GDI_Graphics_Driver_vertex.cxx
@@ -0,0 +1,127 @@
+//
+// "$Id$"
+//
+// Portable drawing routines for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2016 by Bill Spitzak and others.
+//
+// This library is free software. Distribution and use rights are outlined in
+// the file "COPYING" which should have been included with this file. If this
+// file is missing or damaged, see the license at:
+//
+// http://www.fltk.org/COPYING.php
+//
+// Please report all bugs and problems on the following page:
+//
+// http://www.fltk.org/str.php
+//
+
+#ifndef FL_CFG_GFX_GDI_VERTEX_CXX
+#define FL_CFG_GFX_GDI_VERTEX_CXX
+
+/**
+ \file gdi_vertex.cxx
+ \brief Portable drawing code for drawing arbitrary shapes with
+ simple 2D transformations, implemented for MSWindows GDI.
+ */
+
+#include "Fl_GDI_Graphics_Driver.h"
+
+#include <FL/fl_draw.H>
+#include <FL/x.H>
+#include <FL/math.h>
+
+
+void Fl_GDI_Graphics_Driver::transformed_vertex(double xf, double yf) {
+ transformed_vertex0(COORD_T(rint(xf)), COORD_T(rint(yf)));
+}
+
+void Fl_GDI_Graphics_Driver::vertex(double x,double y) {
+ transformed_vertex0(COORD_T(x*m.a + y*m.c + m.x), COORD_T(x*m.b + y*m.d + m.y));
+}
+
+void Fl_GDI_Graphics_Driver::end_points() {
+ for (int i=0; i<n; i++) SetPixel(fl_gc, p[i].x, p[i].y, fl_RGB());
+}
+
+void Fl_GDI_Graphics_Driver::end_line() {
+ if (n < 2) {
+ end_points();
+ return;
+ }
+ if (n>1) Polyline(fl_gc, p, n);
+}
+
+void Fl_GDI_Graphics_Driver::end_loop() {
+ fixloop();
+ if (n>2) transformed_vertex((COORD_T)p[0].x, (COORD_T)p[0].y);
+ end_line();
+}
+
+void Fl_GDI_Graphics_Driver::end_polygon() {
+ fixloop();
+ if (n < 3) {
+ end_line();
+ return;
+ }
+ if (n>2) {
+ SelectObject(fl_gc, fl_brush());
+ Polygon(fl_gc, p, n);
+ }
+}
+
+void Fl_GDI_Graphics_Driver::begin_complex_polygon() {
+ begin_polygon();
+ gap_ = 0;
+ numcount = 0;
+}
+
+void Fl_GDI_Graphics_Driver::gap() {
+ while (n>gap_+2 && p[n-1].x == p[gap_].x && p[n-1].y == p[gap_].y) n--;
+ if (n > gap_+2) {
+ transformed_vertex((COORD_T)p[gap_].x, (COORD_T)p[gap_].y);
+ counts[numcount++] = n-gap_;
+ gap_ = n;
+ } else {
+ n = gap_;
+ }
+}
+
+void Fl_GDI_Graphics_Driver::end_complex_polygon() {
+ gap();
+ if (n < 3) {
+ end_line();
+ return;
+ }
+ if (n>2) {
+ SelectObject(fl_gc, fl_brush());
+ PolyPolygon(fl_gc, p, counts, numcount);
+ }
+}
+
+// shortcut the closed circles so they use XDrawArc:
+// warning: these do not draw rotated ellipses correctly!
+// See fl_arc.c for portable version.
+
+void Fl_GDI_Graphics_Driver::circle(double x, double y,double r) {
+ double xt = transform_x(x,y);
+ double yt = transform_y(x,y);
+ double rx = r * (m.c ? sqrt(m.a*m.a+m.c*m.c) : fabs(m.a));
+ double ry = r * (m.b ? sqrt(m.b*m.b+m.d*m.d) : fabs(m.d));
+ int llx = (int)rint(xt-rx);
+ int w = (int)rint(xt+rx)-llx;
+ int lly = (int)rint(yt-ry);
+ int h = (int)rint(yt+ry)-lly;
+
+ if (what==POLYGON) {
+ SelectObject(fl_gc, fl_brush());
+ Pie(fl_gc, llx, lly, llx+w, lly+h, 0,0, 0,0);
+ } else
+ Arc(fl_gc, llx, lly, llx+w, lly+h, 0,0, 0,0);
+}
+
+#endif // FL_CFG_GFX_GDI_VERTEX_CXX
+
+//
+// End of "$Id$".
+//