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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