Lots of stuff

GpApp/ColorUtils.cpp

@@ -0,0 +1,225 @@
+
+//============================================================================
+//----------------------------------------------------------------------------
+//								  ColorUtils.c
+//----------------------------------------------------------------------------
+//============================================================================
+
+
+#include "Externs.h"
+#include "PLPalettes.h"
+#include "PLPasStr.h"
+
+
+//==============================================================  Functions
+//--------------------------------------------------------------  ColorText
+
+// Given a string and a color index (index into the current palette),<2C>
+// this function draws text in that color.  It assumes the current port,<2C>
+// the current font, the current pen location, etc.
+
+void ColorText (StringPtr theStr, long color)
+{
+	RGBColor	theRGBColor, wasColor;
+	
+	GetForeColor(&wasColor);
+	Index2Color(color, &theRGBColor);
+	RGBForeColor(&theRGBColor);
+	DrawString(theStr);
+	RGBForeColor(&wasColor);
+}
+
+//--------------------------------------------------------------  ColorRect
+
+// Given a rectangle and color index, this function draws a solid<69>
+// rectangle in that color.  Current port, pen mode, etc. assumed.
+
+void ColorRect (Rect *theRect, long color)
+{
+	RGBColor	theRGBColor, wasColor;
+	
+	GetForeColor(&wasColor);
+	Index2Color(color, &theRGBColor);
+	RGBForeColor(&theRGBColor);
+	PaintRect(theRect);
+	RGBForeColor(&wasColor);
+}
+
+//--------------------------------------------------------------  ColorOval
+
+// Given a rectangle and color index, this function draws a solid<69>
+// oval in that color.  Current port, pen mode, etc. assumed.
+
+void ColorOval (Rect *theRect, long color)
+{
+	RGBColor	theRGBColor, wasColor;
+	
+	GetForeColor(&wasColor);
+	Index2Color(color, &theRGBColor);
+	RGBForeColor(&theRGBColor);
+	PaintOval(theRect);
+	RGBForeColor(&wasColor);
+}
+
+//--------------------------------------------------------------  ColorRegion
+
+// Given a region and color index, this function draws a solid<69>
+// region in that color.  Current port, pen mode, etc. assumed.
+
+void ColorRegion (RgnHandle theRgn, long color)
+{
+	RGBColor	theRGBColor, wasColor;
+	
+	GetForeColor(&wasColor);
+	Index2Color(color, &theRGBColor);
+	RGBForeColor(&theRGBColor);
+	PaintRgn(theRgn);
+	RGBForeColor(&wasColor);
+}
+
+//--------------------------------------------------------------  ColorLine
+
+// Given a the end points for a line and color index, this function<6F>
+// draws a line in that color.  Current port, pen mode, etc. assumed.
+
+void ColorLine (short h0, short v0, short h1, short v1, long color)
+{
+	RGBColor	theRGBColor, wasColor;
+	
+	GetForeColor(&wasColor);
+	Index2Color(color, &theRGBColor);
+	RGBForeColor(&theRGBColor);
+	MoveTo(h0, v0);
+	LineTo(h1, v1);
+	RGBForeColor(&wasColor);
+}
+
+//--------------------------------------------------------------  HiliteRect
+
+// Given a rect and two hilite colors, this function frames the top and<6E>
+// left edges of the rect with color 1 and frames the bottom and right<68>
+// sides with color 2.  A rect can be made to appear "hi-lit" or "3D"<22>
+// in this way.
+
+void HiliteRect (Rect *theRect, short color1, short color2)
+{
+	ColorLine(theRect->left, theRect->top, theRect->right - 2, 
+			theRect->top, color1);
+	ColorLine(theRect->left, theRect->top, theRect->left, 
+			theRect->bottom - 2, color1);
+	ColorLine(theRect->right - 1, theRect->top, theRect->right - 1, 
+			theRect->bottom - 2, color2);
+	ColorLine(theRect->left + 1, theRect->bottom - 1, theRect->right - 1, 
+			theRect->bottom - 1, color2);
+}
+
+//--------------------------------------------------------------  ColorFrameRect
+
+// Given a rectangle and color index, this function frames a<>
+// rectangle in that color.  Current port, pen mode, etc. assumed.
+
+void ColorFrameRect (Rect *theRect, long color)
+{
+	RGBColor	theRGBColor, wasColor;
+	
+	GetForeColor(&wasColor);
+	Index2Color(color, &theRGBColor);
+	RGBForeColor(&theRGBColor);
+	FrameRect(theRect);
+	RGBForeColor(&wasColor);
+}
+
+//--------------------------------------------------------------  ColorFrameWHRect
+
+// Given a the top-left corner of a rectangle, its width and height,<2C>
+// and a color index, this function frames a rectangle in that color.
+// Current port, pen mode, etc. assumed.
+
+void ColorFrameWHRect (short left, short top, short wide, short high, long color)
+{
+	Rect		theRect;
+	
+	theRect.left = left;
+	theRect.top = top;
+	theRect.right = left + wide;
+	theRect.bottom = top + high;
+	ColorFrameRect(&theRect, color);
+}
+
+//--------------------------------------------------------------  ColorFrameOval
+
+// Given a rectangle and color index, this function frames an<61>
+// oval in that color.  Current port, pen mode, etc. assumed.
+
+void ColorFrameOval (Rect *theRect, long color)
+{
+	RGBColor	theRGBColor, wasColor;
+	
+	GetForeColor(&wasColor);
+	Index2Color(color, &theRGBColor);
+	RGBForeColor(&theRGBColor);
+	FrameOval(theRect);
+	RGBForeColor(&wasColor);
+}
+
+//--------------------------------------------------------------  LtGrayForeColor
+
+// This function finds the closest match to a "light gray" in the<68>
+// current palette and sets the pen color to that.
+
+void LtGrayForeColor (void)
+{
+	RGBColor	color;
+	
+	color.red = (unsigned short) 0xBFFF;
+	color.green = (unsigned short) 0xBFFF;
+	color.blue = (unsigned short) 0xBFFF;
+	
+	RGBForeColor(&color);
+}
+
+//--------------------------------------------------------------  GrayForeColor
+
+// This function finds the closest match to a "medium gray" in the<68>
+// current palette and sets the pen color to that.
+
+void GrayForeColor (void)
+{
+	RGBColor	color;
+	
+	color.red = (unsigned short) 0x7FFF;
+	color.green = (unsigned short) 0x7FFF;
+	color.blue = (unsigned short) 0x7FFF;
+	
+	RGBForeColor(&color);
+}
+
+//--------------------------------------------------------------  DkGrayForeColor
+
+// This function finds the closest match to a "dark gray" in the<68>
+// current palette and sets the pen color to that.
+
+void DkGrayForeColor (void)
+{
+	RGBColor	color;
+	
+	color.red = (unsigned short) 0x3FFF;
+	color.green = (unsigned short) 0x3FFF;
+	color.blue = (unsigned short) 0x3FFF;
+	
+	RGBForeColor(&color);
+}
+
+//--------------------------------------------------------------  RestoreColorsSlam
+
+// This function forces the Macintosh to rebuild the palette.  It is<69>
+// called to restore a sense or normality after some serious munging<6E>
+// with the palette.
+
+void RestoreColorsSlam (void)
+{
+	RestoreDeviceClut(nil);
+	PaintBehind(nil, GetGrayRgn());
+	DrawMenuBar();
+}
+