From d577d991b97ae2b5ee1af23641bcffc3f83af5b2 Mon Sep 17 00:00:00 2001
From: Pixel <pixel@nobis-crew.org>
Date: Wed, 4 Nov 2009 11:56:41 -0800
Subject: Initial import. Contains the im, cd and iup librairies, and a
 "working" Makefile for them under linux.

---
 iup/srccontrols/iup_cdutil.c | 153 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 153 insertions(+)
 create mode 100755 iup/srccontrols/iup_cdutil.c

(limited to 'iup/srccontrols/iup_cdutil.c')

diff --git a/iup/srccontrols/iup_cdutil.c b/iup/srccontrols/iup_cdutil.c
new file mode 100755
index 0000000..3ffb15b
--- /dev/null
+++ b/iup/srccontrols/iup_cdutil.c
@@ -0,0 +1,153 @@
+/** \file
+ * \brief cdiuputil. CD and IUP utilities for the IupControls
+ *
+ * See Copyright Notice in "iup.h"
+ */
+
+
+#include <stdlib.h>
+#include <stdarg.h>
+
+#include <cd.h>
+
+#include "iup.h"
+#include "iup_attrib.h"
+#include "iup_str.h"
+#include "iup_drv.h"
+#include "iup_cdutil.h"
+
+
+long cdIupConvertColor(const char *color)
+{
+  unsigned char r, g, b;
+  if (iupStrToRGB(color, &r, &g, &b))
+    return cdEncodeColor(r, g, b);
+  else
+    return 0;
+}
+
+void cdIupCalcShadows(long bgcolor, long *light_shadow, long *mid_shadow, long *dark_shadow)
+{
+  int r, bg_r = cdRed(bgcolor);
+  int g, bg_g = cdGreen(bgcolor);
+  int b, bg_b = cdBlue(bgcolor);
+
+  /* light_shadow */
+
+  int max = bg_r;
+  if (bg_g > max) max = bg_g;
+  if (bg_b > max) max = bg_b;
+
+  if (255-max < 64)
+  {
+    r = 255;
+    g = 255;
+    b = 255;
+  }
+  else
+  {
+    /* preserve some color information */
+    if (bg_r == max) r = 255;
+    else             r = bg_r + (255-max);
+    if (bg_g == max) g = 255;
+    else             g = bg_g + (255-max);
+    if (bg_b == max) b = 255;
+    else             b = bg_b + (255-max);
+  }
+
+  if (light_shadow) *light_shadow = cdEncodeColor((unsigned char)r, (unsigned char)g, (unsigned char)b); 
+
+  /* dark_shadow */
+  r = bg_r - 128;
+  g = bg_g - 128;
+  b = bg_b - 128;
+  if (r < 0) r = 0;
+  if (g < 0) g = 0;
+  if (b < 0) b = 0;
+
+  if (dark_shadow) *dark_shadow = cdEncodeColor((unsigned char)r, (unsigned char)g, (unsigned char)b); 
+
+  /*   mid_shadow = (dark_shadow+bgcolor)/2    */
+  if (mid_shadow) *mid_shadow = cdEncodeColor((unsigned char)((bg_r+r)/2), (unsigned char)((bg_g+g)/2), (unsigned char)((bg_b+b)/2));
+}
+
+void cdIupDrawSunkenRect(cdCanvas *canvas, int x1, int y1, int x2, int y2, long light_shadow, long mid_shadow, long dark_shadow)
+{
+  cdCanvasForeground(canvas, mid_shadow);
+  cdCanvasLine(canvas, x1, y1+1,   x1, y2);
+  cdCanvasLine(canvas, x1,  y2, x2-1, y2);
+
+  cdCanvasForeground(canvas, dark_shadow);
+  cdCanvasLine(canvas, x1+1, y1+2, x1+1, y2-1);
+  cdCanvasLine(canvas, x1+1, y2-1, x2-2, y2-1);
+
+  cdCanvasForeground(canvas, light_shadow);
+  cdCanvasLine(canvas, x1, y1, x2, y1);
+  cdCanvasLine(canvas, x2, y1, x2, y2);
+}
+
+void cdIupDrawRaisenRect(cdCanvas *canvas, int x1, int y1, int x2, int y2, long light_shadow, long mid_shadow, long dark_shadow)
+{
+  cdCanvasForeground(canvas, light_shadow);
+  cdCanvasLine(canvas, x1, y1+1,   x1, y2);
+  cdCanvasLine(canvas, x1,  y2, x2-1, y2);
+
+  cdCanvasForeground(canvas, dark_shadow);
+  cdCanvasLine(canvas, x1, y1, x2, y1);
+  cdCanvasLine(canvas, x2, y1, x2, y2);
+
+  cdCanvasForeground(canvas, mid_shadow);
+  cdCanvasLine(canvas, x1+1, y1+1, x2-1, y1+1);
+  cdCanvasLine(canvas, x2-1, y1+2, x2-1, y2-1);
+}
+
+void cdIupDrawVertSunkenMark(cdCanvas *canvas, int x, int y1, int y2, long light_shadow, long dark_shadow)
+{
+  cdCanvasForeground(canvas, dark_shadow);
+  cdCanvasLine(canvas, x-1, y1, x-1, y2);
+  cdCanvasForeground(canvas, light_shadow);
+  cdCanvasLine(canvas,   x, y1,   x, y2);
+}
+
+void cdIupDrawHorizSunkenMark(cdCanvas *canvas, int x1, int x2, int y, long light_shadow, long dark_shadow)
+{
+  cdCanvasForeground(canvas, dark_shadow);
+  cdCanvasLine(canvas, x1, y+1, x2, y+1);
+  cdCanvasForeground(canvas, light_shadow);
+  cdCanvasLine(canvas, x1, y, x2, y);
+}
+
+void cdIupDrawFocusRect(Ihandle* ih, cdCanvas *canvas, int x1, int y1, int x2, int y2)
+{
+  int y, x, w, h;
+#ifdef WIN32
+  void* gc = cdCanvasGetAttribute(canvas, "HDC");
+#else
+  void* gc = cdCanvasGetAttribute(canvas, "GC");
+#endif
+
+  cdCanvasUpdateYAxis(canvas, &y1);
+  cdCanvasUpdateYAxis(canvas, &y2);
+  y = y1;
+  if (y2<y1) y = y2;
+  x = x1;
+  if (x2<x1) x = x2;
+
+  w = abs(x2-x1)+1;
+  h = abs(y2-y1)+1;
+
+  iupdrvDrawFocusRect(ih, gc, x, y, w, h);
+}
+
+void cdDrawFocusRect(cdCanvas *canvas, int x1, int y1, int x2, int y2)
+{
+  int old_linestyle = cdCanvasLineStyle(canvas, CD_DOTTED);
+  int old_foreground = cdCanvasForeground(canvas, CD_WHITE);
+  int old_writemode = cdCanvasWriteMode(canvas, CD_XOR);
+
+  cdCanvasRect(canvas, x1, x2, y1, y2);
+
+  cdCanvasWriteMode(canvas, old_writemode);
+  cdCanvasForeground(canvas, old_foreground);
+  cdCanvasLineStyle(canvas, old_linestyle);
+}
-- 
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