--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ui/cocoa/graphics.m Wed Dec 09 11:32:01 2020 +0100 @@ -0,0 +1,124 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2014 Olaf Wintermann. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#import <stdio.h> +#import <stdlib.h> +#import <string.h> + +#import "graphics.h" +#import "container.h" +#import "../common/context.h" + + + +@implementation UiCanvas + +- (UiObject*) object { + return object; +} + +- (void) setObject:(void*)obj { + object = obj; +} + +- (void*) userdata { + return userdata; +} + +- (void) setUserdata:(void*)d { + userdata = d; +} + +- (ui_drawfunc) callback { + return callback; +} +- (void) setCallback: (ui_drawfunc)f { + callback = f; +} + +- (void) drawRect:(NSRect)rect { + UiGraphics g; + NSRect bounds = [self bounds]; + g.width = bounds.size.width; + g.height = bounds.size.height; + + UiEvent ev; + ev.obj = object; + ev.window = object->window; + ev.document = object->ctx->document; + + callback(&ev, &g, userdata); +} + +@end + + +UIWIDGET ui_drawingarea(UiObject *obj, ui_drawfunc f, void *userdata) { + UiContainer *ct = uic_get_current_container(obj); + + NSRect frame = ct->getframe(ct); + + UiCanvas *canvas = [[UiCanvas alloc]initWithFrame:frame]; + [canvas setObject: obj]; + [canvas setCallback: f]; + [canvas setUserdata: userdata]; + ct->add(ct, canvas); + + return canvas; +} + + +// drawing functions +void ui_graphics_color(UiGraphics *gr, int red, int green, int blue) { + float r = ((float)red) / 255.f; + float g = ((float)green) / 255.f; + float b = ((float)blue) / 255.f; + + NSColor *color = [NSColor colorWithCalibratedRed:r green:g blue:b alpha:1]; + [color set]; +} + +void ui_draw_rect(UiGraphics *g, int x, int y, int w, int h, int fill) { + // translate y + y = g->height - y - h; + + NSRect bounds; + bounds.origin.x = x; + bounds.origin.y = y; + bounds.size.width = w; + bounds.size.height = h; + + if(fill) { + NSRectFill(bounds); + } else { + NSFrameRect(bounds); + } +} + + +