JPEGView/Source/C/ColorsMenu.c
Aaron Giles 92bdb55672 JPEGView 3.3 for Macintosh
These are the sources for the final official release of JPEGView for the
Mac, back in 1994.
2015-02-05 00:18:10 -08:00

1 line
1.9 KiB
C

/*********************************************************/
/* This source code copyright (c) 1991-2001, Aaron Giles */
/* See the Read Me file for licensing information. */
/* Contact email: mac@aarongiles.com */
/*********************************************************/
#if THINK_C
#include "THINK.Header"
#elif applec
#pragma load ":Headers:MPW.Header"
#elif __MWERKS__
//#include "MW.Header"
#else
#include "JPEGView.h"
#endif
/*
* HandleColorChoice(theItem)
*
* Purpose: Accepts menu events from the Color menu
* Inputs: theItem = the menu item number
* Returns: nothing
*
*/
void HandleColorChoice(short theItem)
{
ImageHandle theImage = FrontImage();
short depth;
if (!theImage) return;
depth = (*(*theImage)->dmon)->depth;
switch (theItem) {
case colorSysItem:
SendNewPalette(theImage, kAEPSystem);
break;
case colorGrayItem:
SendNewPalette(theImage, kAEPGrayscale);
break;
case colorImageItem:
SendNewPalette(theImage, kAEPImage);
break;
case colorQuantItem:
if (depth <= 8) {
Boolean spin = !(*theImage)->qpalette ||
((*(*theImage)->qpalette)->pmEntries != (1 << depth));
if (spin) StartSpinning();
SendNewPalette(theImage, kAEPQuantized);
if (spin) StopSpinning(&qd.arrow);
}
break;
case colorDitherItem:
SendDither(theImage, !Dithered(theImage));
break;
}
}
/*
* HandleQualityChoice(theItem)
*
* Purpose: Accepts menu events from the Quality submenu
* Inputs: theItem = the menu item number
* Returns: nothing
*
*/
void HandleQualityChoice(short theItem)
{
ImageHandle theImage = FrontImage();
if (!theImage) return;
switch (theItem) {
case qualityVHighItem:
SendQuality(theImage, kAEDQVeryHigh);
break;
case qualityHighItem:
SendQuality(theImage, kAEDQHigh);
break;
case qualityMediumItem:
SendQuality(theImage, kAEDQNormal);
break;
}
}