1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2015 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "graphics.h"
30 #include "container.h"
31
32
33 DrawingArea::DrawingArea(UiObject *obj, ui_drawfunc cb, void *data) {
34 object = obj;
35 drawCallback = cb;
36 userdata = data;
37 }
38
39 DrawingArea::~DrawingArea() {
40
41 }
42
43 void DrawingArea::paintEvent(QPaintEvent *event) {
44 QPainter painter(this);
45
46 UiQtGraphics g;
47 g.g.width = this->width();
48 g.g.height = this->height();
49 g.painter = &painter;
50
51 UiEvent ev;
52 ev.obj = object;
53 ev.window = object->window;
54 ev.document = object->ctx->document;
55 ev.eventdata = NULL;
56 ev.intval = 0;
57
58 drawCallback(&ev, &g.g, userdata);
59 }
60
61
62
63 UIWIDGET ui_drawingarea(UiObject *obj, ui_drawfunc f, void *userdata) {
64 DrawingArea *widget = new DrawingArea(obj, f, userdata);
65
66 UiContainer *ct = uic_get_current_container(obj);
67 ct->add(widget, true);
68
69 return widget;
70 }
71
72 void ui_drawingarea_mousehandler(UiObject *obj, UIWIDGET widget, ui_callback f, void *u) {
73
74 }
75
76 void ui_drawingarea_getsize(UIWIDGET drawingarea, int *width, int *height) {
77
78 }
79
80 void ui_drawingarea_redraw(UIWIDGET drawingarea) {
81
82 }
83
84
85 /* -------------------- text layout functions -------------------- */
86
87 UiTextLayout* ui_text(UiGraphics *g) {
88 UiTextLayout *textlayout = new UiTextLayout();
89 return textlayout;
90 }
91
92 void ui_text_free(UiTextLayout *text) {
93 delete text;
94 }
95
96 void ui_text_setstring(UiTextLayout *layout, char *str) {
97 layout->text.setText(QString::fromUtf8(str));
98 }
99
100 void ui_text_setstringl(UiTextLayout *layout, char *str, int len) {
101 layout->text.setText(QString::fromUtf8(str, len));
102 }
103
104 void ui_text_setfont(UiTextLayout *layout, char *font, int size) {
105 layout->font = QFont(QString::fromUtf8(font), size);
106 }
107
108 void ui_text_getsize(UiTextLayout *layout, int *width, int *height) {
109 QSizeF size = layout->text.size();
110 *width = (int)size.width();
111 *height = (int)size.height();
112 }
113
114 void ui_text_setwidth(UiTextLayout *layout, int width) {
115 layout->text.setTextWidth((qreal)width);
116 }
117
118
119 /* -------------------- drawing functions -------------------- */
120
121 void ui_graphics_color(UiGraphics *g, int red, int green, int blue) {
122 UiQtGraphics *gr = (UiQtGraphics*)g;
123 gr->color = QColor(red, green, blue);
124 gr->painter->setPen(gr->color);
125 }
126
127 void ui_draw_line(UiGraphics *g, int x1, int y1, int x2, int y2) {
128 UiQtGraphics *gr = (UiQtGraphics*)g;
129
130 gr->painter->drawLine(x1, y1, x2, y2);
131 }
132
133 void ui_draw_rect(UiGraphics *g, int x, int y, int w, int h, int fill) {
134 UiQtGraphics *gr = (UiQtGraphics*)g;
135
136 QRect rect(x, y, w, h);
137 if(fill) {
138 gr->painter->fillRect(rect, gr->color);
139
140 } else {
141 gr->painter->drawRect(rect);
142 }
143 }
144
145 void ui_draw_text(UiGraphics *g, int x, int y, UiTextLayout *text) {
146 UiQtGraphics *gr = (UiQtGraphics*)g;
147
148 gr->painter->setFont(text->font);
149 gr->painter->drawStaticText(x, y, text->text);
150 }
151
152