mirror of
https://github.com/gnustep/libs-gui.git
synced 2025-04-25 07:41:11 +00:00
Moved implementation of drawing functions from xgps
backend to here. Corrected some of them. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@9743 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Fred Kiefer
parent
e225933b16
commit
2bb8bbe99c
1 changed files with 313 additions and 32 deletions
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@ -39,6 +39,7 @@
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#include "AppKit/NSAffineTransform.h"
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#include "AppKit/NSWindow.h"
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#include "AppKit/NSView.h"
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#include "AppKit/DPSOperators.h"
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/* The memory zone where all global objects are allocated from (Contexts
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are also allocated from this zone) */
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@ -911,8 +912,10 @@ NSGraphicsContext *GSCurrentContext()
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/* Context helper wraps */
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methodTable.GSWDefineAsUserObj =
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GET_IMP(@selector(GSWDefineAsUserObj));
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methodTable.GSWViewIsFlipped_ =
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GET_IMP(@selector(GSWViewIsFlipped:));
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methodTable.GSWViewIsFlipped =
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GET_IMP(@selector(GSWViewIsFlipped));
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methodTable.GSWSetViewIsFlipped_ =
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GET_IMP(@selector(GSWSetViewIsFlipped:));
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methodTable.GSWindowDepthForScreen_ =
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GET_IMP(@selector(GSWindowDepthForScreen:));
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methodTable.GSAvailableDepthsForScreen_ =
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@ -2413,102 +2416,380 @@ NSGraphicsContext *GSCurrentContext()
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[self subclassResponsibility: _cmd];
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}
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@end
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@implementation NSGraphicsContext (NSGraphics)
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/* ----------------------------------------------------------------------- */
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/* NSGraphics Ops */
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/* ----------------------------------------------------------------------- */
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+ (void) initializeBackend
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{
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[self subclassResponsibility: _cmd];
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}
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/*
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* Rectangle Drawing Functions
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*/
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- (void) NSEraseRect: (NSRect) aRect
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{
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[self subclassResponsibility: _cmd];
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DPSgsave(self);
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DPSsetgray(self, 1.0);
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NSRectFill(aRect);
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DPSgrestore(self);
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}
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- (void) NSHighlightRect: (NSRect) aRect
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{
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[self subclassResponsibility: _cmd];
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DPScompositerect(self, NSMinX(aRect), NSMinY(aRect),
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NSWidth(aRect), NSHeight(aRect),
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NSCompositeHighlight);
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[[[self focusView] window] flushWindow];
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}
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- (void) NSRectClip: (NSRect) aRect
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{
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[self subclassResponsibility: _cmd];
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DPSrectclip(self, NSMinX(aRect), NSMinY(aRect),
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NSWidth(aRect), NSHeight(aRect));
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DPSnewpath(self);
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}
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- (void) NSRectClipList: (const NSRect *)rects : (int) count
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{
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[self subclassResponsibility: _cmd];
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int i;
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NSRect union_rect;
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if (count == 0)
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return;
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/*
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The specification is not clear if the union of the rects
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should produce the new clip rect or if the outline of all rects
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should be used as clip path.
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*/
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union_rect = rects[0];
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for (i = 1; i < count; i++)
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union_rect = NSUnionRect(union_rect, rects[i]);
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NSRectClip(union_rect);
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}
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- (void) NSRectFill: (NSRect) aRect
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{
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[self subclassResponsibility: _cmd];
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DPSrectfill(self, NSMinX(aRect), NSMinY(aRect),
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NSWidth(aRect), NSHeight(aRect));
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}
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- (void) NSRectFillList: (const NSRect *)rects : (int) count
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{
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[self subclassResponsibility: _cmd];
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int i;
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for (i = 0; i < count; i++)
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DPSrectfill(self, NSMinX(rects[i]), NSMinY(rects[i]),
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NSWidth(rects[i]), NSHeight(rects[i]));
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}
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- (void) NSRectFillListWithGrays: (const NSRect *)rects : (const float *)grays
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: (int) count
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{
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[self subclassResponsibility: _cmd];
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int i;
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for (i = 0; i < count; i++)
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{
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DPSsetgray(self, grays[i]);
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DPSrectfill(self, NSMinX(rects[i]), NSMinY(rects[i]),
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NSWidth(rects[i]), NSHeight(rects[i]));
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}
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}
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//*****************************************************************************
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//
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// Draws an unfilled rectangle, clipped by clipRect, whose border
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// is defined by the parallel arrays sides and grays, both of length
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// count. Each element of sides specifies an edge of the rectangle,
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// which is drawn with a width of 1.0 using the corresponding gray level
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// from grays. If the edges array contains recurrences of the same edge,
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// each is inset within the previous edge.
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//
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//*****************************************************************************
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- (NSRect) NSDrawTiledRects: (NSRect) aRect : (const NSRect) clipRect
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: (const NSRectEdge *) sides
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: (const float *)grays : (int) count
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{
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int i;
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NSRect slice;
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NSRect remainder = aRect;
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NSRect rects[count];
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BOOL hasClip = !NSIsEmptyRect(clipRect);
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if (hasClip && NSIntersectsRect(aRect, clipRect) == NO)
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return remainder;
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for (i = 0; i < count; i++)
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{
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NSDivideRect(remainder, &slice, &remainder, 1.0, sides[i]);
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if (hasClip)
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rects[i] = NSIntersectionRect(slice, clipRect);
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else
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rects[i] = slice;
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}
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NSRectFillListWithGrays(rects, grays, count);
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return remainder;
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}
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/*
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* Draw a Bordered Rectangle
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*/
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- (void) NSDrawButton: (const NSRect) aRect : (const NSRect) clipRect
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{
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[self subclassResponsibility: _cmd];
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float x, y, w, h, v;
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if (!NSIsEmptyRect(clipRect) && NSIntersectsRect(aRect, clipRect) == NO)
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return;
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/* The lines drawn should be offset by half a linewidth inwards so
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that the entire line gets drawn inside the rectangle. */
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x = NSMinX(aRect);
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y = NSMinY(aRect);
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w = NSWidth(aRect) - 1.0;
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h = NSHeight(aRect) - 1.0;
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v = 1.0;
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if (GSWViewIsFlipped(self) == YES)
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{
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y += h;
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h = -h;
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v = -v;
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}
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else
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y++;
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DPSsetlinewidth(self, 1.0);
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// Fill the inner rectangle in light gray
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DPSsetgray(self, 0.667);
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DPSrectfill(self, x, y, w, h);
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// Top and left outer line in white
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DPSsetgray(self, 1.0);
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DPSmoveto(self, x, y);
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DPSrlineto(self, 0, h);
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DPSrlineto(self, w, 0);
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DPSstroke(self);
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// Bottom and right inner line in dark grey
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DPSsetgray(self, 0.333);
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DPSmoveto(self, x+1, y+v);
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DPSrlineto(self, w-2, 0);
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DPSrlineto(self, 0, h-2*v);
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DPSstroke(self);
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// Bottom and right outer line in black
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DPSsetgray(self, 0.0);
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DPSmoveto(self, x, y);
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DPSrlineto(self, w, 0);
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DPSrlineto(self, 0, h);
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DPSstroke(self);
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}
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- (void) NSDrawGrayBezel: (const NSRect) aRect : (const NSRect) clipRect
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{
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[self subclassResponsibility: _cmd];
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float x, y, w, h, v;
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if (!NSIsEmptyRect(clipRect) && NSIntersectsRect(aRect, clipRect) == NO)
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return;
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/* The lines drawn should be offset by half a linewidth inwards so
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that the entire line gets drawn inside the rectangle. */
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x = NSMinX(aRect);
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y = NSMinY(aRect);
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w = NSWidth(aRect) - 1.0;
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h = NSHeight(aRect) - 1.0;
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v = 1.0;
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if (GSWViewIsFlipped(self) == YES)
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{
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y += h;
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h = -h;
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v = -v;
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}
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else
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y++;
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DPSsetlinewidth(self, 1.0);
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// Fill the inner rectangle in light gray
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DPSsetgray(self, 0.667);
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DPSrectfill(self, x, y, w, h);
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// Top and left outer line in dark grey
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DPSsetgray(self, 0.333);
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DPSmoveto(self, x, y);
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DPSrlineto(self, 0, h);
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DPSrlineto(self, w, 0);
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DPSstroke(self);
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// Top and left inner line in black
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DPSsetgray(self, 0.0);
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DPSmoveto(self, x+1, y+v);
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DPSrlineto(self, 0, h-2*v);
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DPSrlineto(self, w-2, 0);
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DPSstroke(self);
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// Bottom and right outer line in white
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DPSsetgray(self, 1.0);
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DPSmoveto(self, x, y);
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DPSrlineto(self, w, 0);
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DPSrlineto(self, 0, h-v);
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DPSstroke(self);
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// Bottom and right inner line in light grey
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DPSsetgray(self, 0.667);
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DPSmoveto(self, x+1, y+v);
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DPSrlineto(self, w-2, 0);
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DPSrlineto(self, 0, h-2*v);
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DPSstroke(self);
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}
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- (void) NSDrawBezel: (const NSRect) aRect : (const NSRect) clipRect
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{
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[self subclassResponsibility: _cmd];
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NSDrawGrayBezel(aRect, clipRect);
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}
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- (void) NSDrawGroove: (const NSRect) aRect : (const NSRect) clipRect
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{
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[self subclassResponsibility: _cmd];
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}
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float x, y, w, h, v;
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- (NSRect) NSDrawTiledRects: (NSRect) aRect : (const NSRect) clipRect
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: (const NSRectEdge *) sides
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: (const float *)grays : (int) count
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if (!NSIsEmptyRect(clipRect) && NSIntersectsRect(aRect, clipRect) == NO)
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return;
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/* The lines drawn should be offset by half a linewidth inwards so
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that the entire line gets drawn inside the rectangle. */
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x = NSMinX(aRect);
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y = NSMinY(aRect);
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w = NSWidth(aRect) - 1.0;
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h = NSHeight(aRect) - 1.0;
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v = 1.0;
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if (GSWViewIsFlipped(self) == YES)
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{
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[self subclassResponsibility: _cmd];
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return NSZeroRect;
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y += h;
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h = -h;
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v = -v;
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}
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else
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y++;
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DPSsetlinewidth(self, 1.0);
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// Fill the inner rectangle in light gray
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DPSsetgray(self, 0.667);
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DPSrectfill(self, x, y, w, h);
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// Top and left outer line in dark gray
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DPSsetgray(self, 0.333);
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DPSmoveto(self, x, y);
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DPSrlineto(self, 0, h);
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DPSrlineto(self, w, 0);
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DPSstroke(self);
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// Bottom and right inner line in dark gray (too)
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DPSmoveto(self, x+2, y+v);
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DPSrlineto(self, w-3, 0);
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DPSrlineto(self, 0, h-3*v);
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DPSstroke(self);
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// Draw remaining white lines using a single white rect
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DPSsetgray(self, 1.0);
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DPSrectstroke(self, x+1, y-v, w, h);
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}
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- (void) NSDrawWhiteBezel: (const NSRect) aRect : (const NSRect) clipRect
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{
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[self subclassResponsibility: _cmd];
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float x, y, w, h, v;
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if (!NSIsEmptyRect(clipRect) && NSIntersectsRect(aRect, clipRect) == NO)
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return;
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/* The lines drawn should be offset by half a linewidth inwards so
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that the entire line gets drawn inside the rectangle. */
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x = NSMinX(aRect);
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y = NSMinY(aRect);
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w = NSWidth(aRect) - 1.0;
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h = NSHeight(aRect) - 1.0;
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v = 1.0;
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if (GSWViewIsFlipped(self) == YES)
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{
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y += h;
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h = -h;
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v = -v;
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}
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else
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y++;
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DPSsetlinewidth(self, 1.0);
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// Fill the inner rectangle in white
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DPSsetgray(self, 1.0);
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DPSrectfill(self, x, y, w, h);
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// Top and left outer line in dark grey
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DPSsetgray(self, 0.333);
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DPSmoveto(self, x, y);
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DPSrlineto(self, 0, h);
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DPSrlineto(self, w, 0);
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DPSstroke(self);
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// Top and left inner line in dark gray (too)
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DPSmoveto(self, x+1, y+v);
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DPSrlineto(self, 0, h-2*v);
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DPSrlineto(self, w-2, 0);
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DPSstroke(self);
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// Bottom and right outer line in white
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DPSsetgray(self, 1.0);
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DPSmoveto(self, x, y);
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DPSrlineto(self, w, 0);
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DPSrlineto(self, 0, h-v);
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DPSstroke(self);
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// Bottom and right inner line in light grey
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DPSsetgray(self, 0.667);
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DPSmoveto(self, x+1, y+v);
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DPSrlineto(self, w-2, 0);
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DPSrlineto(self, 0, h-3*v);
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DPSstroke(self);
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}
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- (void) NSDottedFrameRect: (const NSRect) aRect
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{
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[self subclassResponsibility: _cmd];
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float dot_dash[] = {1.0, 1.0};
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DPSsetgray(self, 0.0);
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DPSsetlinewidth(self, 1.0);
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// FIXME
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DPSsetdash(self, dot_dash, 2, 0.0);
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DPSrectstroke(self, NSMinX(aRect), NSMinY(aRect),
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NSWidth(aRect), NSHeight(aRect));
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}
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- (void) NSFrameRect: (const NSRect) aRect
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{
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[self subclassResponsibility: _cmd];
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DPSsetlinewidth(self, 1.0);
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DPSrectstroke(self, NSMinX(aRect), NSMinY(aRect),
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NSWidth(aRect), NSHeight(aRect));
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}
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- (void) NSFrameRectWithWidth: (const NSRect) aRect : (float) frameWidth
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{
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[self subclassResponsibility: _cmd];
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DPSsetlinewidth(self, frameWidth);
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DPSrectstroke(self, NSMinX(aRect), NSMinY(aRect),
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NSWidth(aRect), NSHeight(aRect));
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}
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/*
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* Read the Color at a Screen Position
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*/
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@ -2563,9 +2844,13 @@ NSGraphicsContext *GSCurrentContext()
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return 0;
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}
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- (void) GSWViewIsFlipped: (BOOL) flipped
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- (void) GSWSetViewIsFlipped: (BOOL) flipped
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{
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[self subclassResponsibility: _cmd];
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}
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- (BOOL) GSWViewIsFlipped
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{
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return [[self focusView] isFlipped];
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}
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- (NSWindowDepth) GSWindowDepthForScreen: (int) screen
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@ -2581,8 +2866,4 @@ NSGraphicsContext *GSCurrentContext()
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return NULL;
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}
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+ (void) initializeBackend
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{
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[self subclassResponsibility: _cmd];
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}
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@end
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