diff options
Diffstat (limited to 'unix/tkUnix3d.c')
| -rw-r--r-- | unix/tkUnix3d.c | 278 |
1 files changed, 139 insertions, 139 deletions
diff --git a/unix/tkUnix3d.c b/unix/tkUnix3d.c index 5349a3f..c872484 100644 --- a/unix/tkUnix3d.c +++ b/unix/tkUnix3d.c @@ -1,26 +1,27 @@ -/* +/* * tkUnix3d.c -- * - * This file contains the platform specific routines for - * drawing 3d borders in the Motif style. + * This file contains the platform specific routines for drawing 3d + * borders in the Motif style. * * Copyright (c) 1996 by Sun Microsystems, Inc. * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkUnix3d.c,v 1.7 2002/08/31 06:12:31 das Exp $ + * RCS: @(#) $Id: tkUnix3d.c,v 1.12 2007/12/13 15:28:50 dgp Exp $ */ -#include <tk3d.h> +#include "tkInt.h" +#include "tk3d.h" -#if !(defined(__WIN32__) || defined(MAC_TCL) || defined(MAC_OSX_TK)) +#if !(defined(__WIN32__) || defined(MAC_OSX_TK)) #include "tkUnixInt.h" #endif /* - * This structure is used to keep track of the extra colors used - * by Unix 3d borders. + * This structure is used to keep track of the extra colors used by Unix 3D + * borders. */ typedef struct { @@ -45,21 +46,20 @@ typedef struct { */ TkBorder * -TkpGetBorder() +TkpGetBorder(void) { UnixBorder *borderPtr = (UnixBorder *) ckalloc(sizeof(UnixBorder)); borderPtr->solidGC = None; return (TkBorder *) borderPtr; } - /* *---------------------------------------------------------------------- * * TkpFreeBorder -- * - * This function frees any colors allocated by the platform - * specific part of this module. + * This function frees any colors allocated by the platform specific part + * of this module. * * Results: * None. @@ -71,8 +71,8 @@ TkpGetBorder() */ void -TkpFreeBorder(borderPtr) - TkBorder *borderPtr; +TkpFreeBorder( + TkBorder *borderPtr) { UnixBorder *unixBorderPtr = (UnixBorder *) borderPtr; Display *display = DisplayOfScreen(borderPtr->screen); @@ -86,18 +86,17 @@ TkpFreeBorder(borderPtr) * * Tk_3DVerticalBevel -- * - * This procedure draws a vertical bevel along one side of - * an object. The bevel is always rectangular in shape: + * This procedure draws a vertical bevel along one side of an object. The + * bevel is always rectangular in shape: * ||| * ||| * ||| * ||| * ||| * ||| - * An appropriate shadow color is chosen for the bevel based - * on the leftBevel and relief arguments. Normally this - * procedure is called first, then Tk_3DHorizontalBevel is - * called next to draw neat corners. + * An appropriate shadow color is chosen for the bevel based on the + * leftBevel and relief arguments. Normally this procedure is called + * first, then Tk_3DHorizontalBevel is called next to draw neat corners. * * Results: * None. @@ -109,19 +108,18 @@ TkpFreeBorder(borderPtr) */ void -Tk_3DVerticalBevel(tkwin, drawable, border, x, y, width, height, - leftBevel, relief) - Tk_Window tkwin; /* Window for which border was allocated. */ - Drawable drawable; /* X window or pixmap in which to draw. */ - Tk_3DBorder border; /* Token for border to draw. */ - int x, y, width, height; /* Area of vertical bevel. */ - int leftBevel; /* Non-zero means this bevel forms the - * left side of the object; 0 means it - * forms the right side. */ - int relief; /* Kind of bevel to draw. For example, - * TK_RELIEF_RAISED means interior of - * object should appear higher than - * exterior. */ +Tk_3DVerticalBevel( + Tk_Window tkwin, /* Window for which border was allocated. */ + Drawable drawable, /* X window or pixmap in which to draw. */ + Tk_3DBorder border, /* Token for border to draw. */ + int x, int y, int width, int height, + /* Area of vertical bevel. */ + int leftBevel, /* Non-zero means this bevel forms the left + * side of the object; 0 means it forms the + * right side. */ + int relief) /* Kind of bevel to draw. For example, + * TK_RELIEF_RAISED means interior of object + * should appear higher than exterior. */ { TkBorder *borderPtr = (TkBorder *) border; GC left, right; @@ -132,11 +130,11 @@ Tk_3DVerticalBevel(tkwin, drawable, border, x, y, width, height, } if (relief == TK_RELIEF_RAISED) { - XFillRectangle(display, drawable, + XFillRectangle(display, drawable, (leftBevel) ? borderPtr->lightGC : borderPtr->darkGC, x, y, (unsigned) width, (unsigned) height); } else if (relief == TK_RELIEF_SUNKEN) { - XFillRectangle(display, drawable, + XFillRectangle(display, drawable, (leftBevel) ? borderPtr->darkGC : borderPtr->lightGC, x, y, (unsigned) width, (unsigned) height); } else if (relief == TK_RELIEF_RIDGE) { @@ -144,7 +142,7 @@ Tk_3DVerticalBevel(tkwin, drawable, border, x, y, width, height, left = borderPtr->lightGC; right = borderPtr->darkGC; - ridgeGroove: + ridgeGroove: half = width/2; if (!leftBevel && (width & 1)) { half++; @@ -178,9 +176,9 @@ Tk_3DVerticalBevel(tkwin, drawable, border, x, y, width, height, * * Tk_3DHorizontalBevel -- * - * This procedure draws a horizontal bevel along one side of - * an object. The bevel has mitered corners (depending on - * leftIn and rightIn arguments). + * This procedure draws a horizontal bevel along one side of an object. + * The bevel has mitered corners (depending on leftIn and rightIn + * arguments). * * Results: * None. @@ -192,30 +190,28 @@ Tk_3DVerticalBevel(tkwin, drawable, border, x, y, width, height, */ void -Tk_3DHorizontalBevel(tkwin, drawable, border, x, y, width, height, - leftIn, rightIn, topBevel, relief) - Tk_Window tkwin; /* Window for which border was allocated. */ - Drawable drawable; /* X window or pixmap in which to draw. */ - Tk_3DBorder border; /* Token for border to draw. */ - int x, y, width, height; /* Bounding box of area of bevel. Height - * gives width of border. */ - int leftIn, rightIn; /* Describes whether the left and right - * edges of the bevel angle in or out as - * they go down. For example, if "leftIn" - * is true, the left side of the bevel - * looks like this: +Tk_3DHorizontalBevel( + Tk_Window tkwin, /* Window for which border was allocated. */ + Drawable drawable, /* X window or pixmap in which to draw. */ + Tk_3DBorder border, /* Token for border to draw. */ + int x, int y, int width, int height, + /* Bounding box of area of bevel. Height gives + * width of border. */ + int leftIn, int rightIn, /* Describes whether the left and right edges + * of the bevel angle in or out as they go + * down. For example, if "leftIn" is true, the + * left side of the bevel looks like this: * ___________ * __________ * _________ * ________ */ - int topBevel; /* Non-zero means this bevel forms the - * top side of the object; 0 means it - * forms the bottom side. */ - int relief; /* Kind of bevel to draw. For example, - * TK_RELIEF_RAISED means interior of - * object should appear higher than - * exterior. */ + int topBevel, /* Non-zero means this bevel forms the top + * side of the object; 0 means it forms the + * bottom side. */ + int relief) /* Kind of bevel to draw. For example, + * TK_RELIEF_RAISED means interior of object + * should appear higher than exterior. */ { TkBorder *borderPtr = (TkBorder *) border; Display *display = Tk_Display(tkwin); @@ -231,41 +227,38 @@ Tk_3DHorizontalBevel(tkwin, drawable, border, x, y, width, height, } /* - * Compute a GC for the top half of the bevel and a GC for the - * bottom half (they're the same in many cases). + * Compute a GC for the top half of the bevel and a GC for the bottom half + * (they're the same in many cases). */ switch (relief) { - case TK_RELIEF_FLAT: - topGC = bottomGC = borderPtr->bgGC; - break; - case TK_RELIEF_GROOVE: - topGC = borderPtr->darkGC; - bottomGC = borderPtr->lightGC; - break; - case TK_RELIEF_RAISED: - topGC = bottomGC = - (topBevel) ? borderPtr->lightGC : borderPtr->darkGC; - break; - case TK_RELIEF_RIDGE: - topGC = borderPtr->lightGC; - bottomGC = borderPtr->darkGC; - break; - case TK_RELIEF_SOLID: - if (unixBorderPtr->solidGC == None) { - XGCValues gcValues; - - gcValues.foreground = BlackPixelOfScreen(borderPtr->screen); - unixBorderPtr->solidGC = Tk_GetGC(tkwin, GCForeground, - &gcValues); - } - XFillRectangle(display, drawable, unixBorderPtr->solidGC, x, y, + case TK_RELIEF_FLAT: + topGC = bottomGC = borderPtr->bgGC; + break; + case TK_RELIEF_GROOVE: + topGC = borderPtr->darkGC; + bottomGC = borderPtr->lightGC; + break; + case TK_RELIEF_RAISED: + topGC = bottomGC = (topBevel? borderPtr->lightGC : borderPtr->darkGC); + break; + case TK_RELIEF_RIDGE: + topGC = borderPtr->lightGC; + bottomGC = borderPtr->darkGC; + break; + case TK_RELIEF_SOLID: + if (unixBorderPtr->solidGC == None) { + XGCValues gcValues; + + gcValues.foreground = BlackPixelOfScreen(borderPtr->screen); + unixBorderPtr->solidGC = Tk_GetGC(tkwin, GCForeground, &gcValues); + } + XFillRectangle(display, drawable, unixBorderPtr->solidGC, x, y, (unsigned) width, (unsigned) height); - return; - case TK_RELIEF_SUNKEN: - topGC = bottomGC = - (topBevel) ? borderPtr->darkGC : borderPtr->lightGC; - break; + return; + case TK_RELIEF_SUNKEN: + topGC = bottomGC = (topBevel? borderPtr->darkGC : borderPtr->lightGC); + break; } /* @@ -294,24 +287,26 @@ Tk_3DHorizontalBevel(tkwin, drawable, border, x, y, width, height, for ( ; y < bottom; y++) { /* - * X Dimensions are 16-bit, so avoid wraparound or display errors - * by limiting these here. + * X Dimensions are 16-bit, so avoid wraparound or display errors by + * limiting these here. */ - if (x1 < -32767) + + if (x1 < -32767) { x1 = -32767; - if (x2 > 32767) + } + if (x2 > 32767) { x2 = 32767; + } /* * In some weird cases (such as large border widths for skinny - * rectangles) x1 can be >= x2. Don't draw the lines - * in these cases. + * rectangles) x1 can be >= x2. Don't draw the lines in these cases. */ if (x1 < x2) { XFillRectangle(display, drawable, - (y < halfway) ? topGC : bottomGC, x1, y, - (unsigned) (x2-x1), (unsigned) 1); + (y < halfway) ? topGC : bottomGC, x1, y, + (unsigned) (x2-x1), (unsigned) 1); } x1 += x1Delta; x2 += x2Delta; @@ -323,27 +318,26 @@ Tk_3DHorizontalBevel(tkwin, drawable, border, x, y, width, height, * * TkpGetShadows -- * - * This procedure computes the shadow colors for a 3-D border - * and fills in the corresponding fields of the Border structure. - * It's called lazily, so that the colors aren't allocated until - * something is actually drawn with them. That way, if a border - * is only used for flat backgrounds the shadow colors will - * never be allocated. + * This procedure computes the shadow colors for a 3-D border and fills + * in the corresponding fields of the Border structure. It's called + * lazily, so that the colors aren't allocated until something is + * actually drawn with them. That way, if a border is only used for flat + * backgrounds the shadow colors will never be allocated. * * Results: * None. * * Side effects: - * The lightGC and darkGC fields in borderPtr get filled in, - * if they weren't already. + * The lightGC and darkGC fields in borderPtr get filled in, if they + * weren't already. * *---------------------------------------------------------------------- */ void -TkpGetShadows(borderPtr, tkwin) - TkBorder *borderPtr; /* Information about border. */ - Tk_Window tkwin; /* Window where border will be used for +TkpGetShadows( + TkBorder *borderPtr, /* Information about border. */ + Tk_Window tkwin) /* Window where border will be used for * drawing. */ { XColor lightColor, darkColor; @@ -357,33 +351,31 @@ TkpGetShadows(borderPtr, tkwin) stressed = TkpCmapStressed(tkwin, borderPtr->colormap); /* - * First, handle the case of a color display with lots of colors. - * The shadow colors get computed using whichever formula results - * in the greatest change in color: - * 1. Lighter shadow is half-way to white, darker shadow is half - * way to dark. - * 2. Lighter shadow is 40% brighter than background, darker shadow - * is 40% darker than background. + * First, handle the case of a color display with lots of colors. The + * shadow colors get computed using whichever formula results in the + * greatest change in color: + * 1. Lighter shadow is half-way to white, darker shadow is half way to + * dark. + * 2. Lighter shadow is 40% brighter than background, darker shadow is 40% + * darker than background. */ if (!stressed && (Tk_Depth(tkwin) >= 6)) { /* - * This is a color display with lots of colors. For the dark - * shadow, cut 40% from each of the background color components. - * But if the background is already very dark, make the - * dark color a little lighter than the background by increasing - * each color component 1/4th of the way to MAX_INTENSITY. + * This is a color display with lots of colors. For the dark shadow, + * cut 40% from each of the background color components. But if the + * background is already very dark, make the dark color a little + * lighter than the background by increasing each color component + * 1/4th of the way to MAX_INTENSITY. * - * For the light shadow, boost each component by 40% or half-way - * to white, whichever is greater (the first approach works - * better for unsaturated colors, the second for saturated ones). - * But if the background is already very bright, instead choose a - * slightly darker color for the light shadow by reducing each - * color component by 10%. + * For the light shadow, boost each component by 40% or half-way to + * white, whichever is greater (the first approach works better for + * unsaturated colors, the second for saturated ones). But if the + * background is already very bright, instead choose a slightly darker + * color for the light shadow by reducing each color component by 10%. * - * Compute the colors using integers, not using lightColor.red - * etc.: these are shorts and may have problems with integer - * overflow. + * Compute the colors using integers, not using lightColor.red etc.: + * these are shorts and may have problems with integer overflow. */ /* @@ -440,7 +432,7 @@ TkpGetShadows(borderPtr, tkwin) tmp2 = (MAX_INTENSITY + b)/2; lightColor.blue = (tmp1 > tmp2) ? tmp1 : tmp2; } - + /* * Allocate the light shadow color and its GC */ @@ -455,15 +447,15 @@ TkpGetShadows(borderPtr, tkwin) borderPtr->shadow = Tk_GetBitmap((Tcl_Interp *) NULL, tkwin, Tk_GetUid("gray50")); if (borderPtr->shadow == None) { - panic("TkpGetShadows couldn't allocate bitmap for border"); + Tcl_Panic("TkpGetShadows couldn't allocate bitmap for border"); } } if (borderPtr->visual->map_entries > 2) { /* - * This isn't a monochrome display, but the colormap either - * ran out of entries or didn't have very many to begin with. - * Generate the light shadows with a white stipple and the - * dark shadows with a black stipple. + * This isn't a monochrome display, but the colormap either ran out of + * entries or didn't have very many to begin with. Generate the light + * shadows with a white stipple and the dark shadows with a black + * stipple. */ gcValues.foreground = borderPtr->bgColorPtr->pixel; @@ -480,8 +472,8 @@ TkpGetShadows(borderPtr, tkwin) /* * This is just a measly monochrome display, hardly even worth its - * existence on this earth. Make one shadow a 50% stipple and the - * other the opposite of the background. + * existence on this earth. Make one shadow a 50% stipple and the other + * the opposite of the background. */ gcValues.foreground = WhitePixelOfScreen(borderPtr->screen); @@ -499,3 +491,11 @@ TkpGetShadows(borderPtr, tkwin) borderPtr->lightGC = Tk_GetGC(tkwin, GCForeground, &gcValues); } } + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ |