| 1 /* |
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| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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| 3 * |
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| 4 * Copyright 2014 Olaf Wintermann. All rights reserved. |
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| 5 * |
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| 6 * Redistribution and use in source and binary forms, with or without |
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| 7 * modification, are permitted provided that the following conditions are met: |
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| 8 * |
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| 9 * 1. Redistributions of source code must retain the above copyright |
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| 10 * notice, this list of conditions and the following disclaimer. |
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| 11 * |
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| 12 * 2. Redistributions in binary form must reproduce the above copyright |
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| 13 * notice, this list of conditions and the following disclaimer in the |
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| 14 * documentation and/or other materials provided with the distribution. |
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| 15 * |
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| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 26 * POSSIBILITY OF SUCH DAMAGE. |
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| 27 */ |
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| 28 |
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| 29 #import <stdio.h> |
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| 30 #import <stdlib.h> |
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| 31 #import <string.h> |
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| 32 |
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| 33 #import "graphics.h" |
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| 34 #import "container.h" |
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| 35 #import "../common/context.h" |
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| 36 |
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| 37 |
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| 38 |
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| 39 @implementation UiCanvas |
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| 40 |
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| 41 - (UiObject*) object { |
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| 42 return object; |
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| 43 } |
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| 44 |
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| 45 - (void) setObject:(void*)obj { |
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| 46 object = obj; |
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| 47 } |
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| 48 |
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| 49 - (void*) userdata { |
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| 50 return userdata; |
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| 51 } |
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| 52 |
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| 53 - (void) setUserdata:(void*)d { |
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| 54 userdata = d; |
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| 55 } |
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| 56 |
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| 57 - (ui_drawfunc) callback { |
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| 58 return callback; |
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| 59 } |
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| 60 - (void) setCallback: (ui_drawfunc)f { |
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| 61 callback = f; |
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| 62 } |
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| 63 |
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| 64 - (void) drawRect:(NSRect)rect { |
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| 65 UiGraphics g; |
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| 66 NSRect bounds = [self bounds]; |
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| 67 g.width = bounds.size.width; |
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| 68 g.height = bounds.size.height; |
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| 69 |
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| 70 UiEvent ev; |
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| 71 ev.obj = object; |
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| 72 ev.window = object->window; |
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| 73 ev.document = object->ctx->document; |
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| 74 |
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| 75 callback(&ev, &g, userdata); |
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| 76 } |
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| 77 |
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| 78 @end |
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| 79 |
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| 80 |
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| 81 UIWIDGET ui_drawingarea(UiObject *obj, ui_drawfunc f, void *userdata) { |
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| 82 UiContainer *ct = uic_get_current_container(obj); |
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| 83 |
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| 84 NSRect frame = ct->getframe(ct); |
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| 85 |
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| 86 UiCanvas *canvas = [[UiCanvas alloc]initWithFrame:frame]; |
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| 87 [canvas setObject: obj]; |
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| 88 [canvas setCallback: f]; |
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| 89 [canvas setUserdata: userdata]; |
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| 90 ct->add(ct, canvas); |
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| 91 |
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| 92 return canvas; |
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| 93 } |
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| 94 |
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| 95 |
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| 96 // drawing functions |
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| 97 void ui_graphics_color(UiGraphics *gr, int red, int green, int blue) { |
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| 98 float r = ((float)red) / 255.f; |
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| 99 float g = ((float)green) / 255.f; |
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| 100 float b = ((float)blue) / 255.f; |
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| 101 |
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| 102 NSColor *color = [NSColor colorWithCalibratedRed:r green:g blue:b alpha:1]; |
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| 103 [color set]; |
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| 104 } |
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| 105 |
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| 106 void ui_draw_rect(UiGraphics *g, int x, int y, int w, int h, int fill) { |
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| 107 // translate y |
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| 108 y = g->height - y - h; |
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| 109 |
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| 110 NSRect bounds; |
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| 111 bounds.origin.x = x; |
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| 112 bounds.origin.y = y; |
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| 113 bounds.size.width = w; |
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| 114 bounds.size.height = h; |
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| 115 |
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| 116 if(fill) { |
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| 117 NSRectFill(bounds); |
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| 118 } else { |
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| 119 NSFrameRect(bounds); |
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| 120 } |
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| 121 } |
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| 122 |
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| 123 |
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| 124 |
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