1 /* ScummVM - Graphic Adventure Engine
2 *
3 * ScummVM is the legal property of its developers, whose names
4 * are too numerous to list here. Please refer to the COPYRIGHT
5 * file distributed with this source distribution.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 *
21 */
22
23 #include "glk/window_graphics.h"
24 #include "glk/conf.h"
25 #include "glk/glk.h"
26 #include "glk/screen.h"
27
28 namespace Glk {
29
GraphicsWindow(Windows * windows,uint rock)30 GraphicsWindow::GraphicsWindow(Windows *windows, uint rock) : Window(windows, rock),
31 _w(0), _h(0), _dirty(false), _surface(nullptr) {
32 _type = wintype_Graphics;
33 _bgnd = _bgColor;
34 }
35
~GraphicsWindow()36 GraphicsWindow::~GraphicsWindow() {
37 delete _surface;
38 }
39
rearrange(const Rect & box)40 void GraphicsWindow::rearrange(const Rect &box) {
41 int newwid, newhgt;
42 int bothwid, bothhgt;
43 Graphics::ManagedSurface *newSurface;
44
45 _bbox = box;
46
47 newwid = box.width();
48 newhgt = box.height();
49
50 if (newwid <= 0 || newhgt <= 0) {
51 _w = 0;
52 _h = 0;
53 delete _surface;
54 _surface = nullptr;
55 return;
56 }
57
58 bothwid = _w;
59 if (newwid < bothwid)
60 bothwid = newwid;
61 bothhgt = _h;
62 if (newhgt < bothhgt)
63 bothhgt = newhgt;
64
65 // Create it
66 Graphics::PixelFormat pixelFormat = g_system->getScreenFormat();
67 newSurface = new Graphics::ManagedSurface(newwid, newhgt, pixelFormat);
68 newSurface->clear(_bgnd);
69
70 // If the new surface is equal or bigger than the old one, copy it over
71 if (_surface && bothwid && bothhgt)
72 newSurface->blitFrom(*_surface);
73
74 delete _surface;
75 _surface = newSurface;
76 _w = newwid;
77 _h = newhgt;
78
79 touch();
80 }
81
touch()82 void GraphicsWindow::touch() {
83 _dirty = true;
84 _windows->repaint(_bbox);
85 }
86
redraw()87 void GraphicsWindow::redraw() {
88 Screen &screen = *g_vm->_screen;
89 Window::redraw();
90
91 if (_dirty || Windows::_forceRedraw) {
92 _dirty = 0;
93
94 if (_surface)
95 screen.blitFrom(*_surface, Point(_bbox.left, _bbox.top));
96 }
97 }
98
drawPicture(uint image,int xpos,int ypos,int scale,uint imagewidth,uint imageheight)99 uint GraphicsWindow::drawPicture(uint image, int xpos, int ypos, int scale,
100 uint imagewidth, uint imageheight) {
101 Picture *pic = g_vm->_pictures->load(image);
102 uint hyperlink = _attr.hyper;
103
104 if (!pic)
105 return false;
106
107 if (!_imageLoaded) {
108 g_vm->_pictures->increment();
109 _imageLoaded = true;
110 }
111
112 if (!scale) {
113 imagewidth = pic->w;
114 imageheight = pic->h;
115 }
116
117 drawPicture(pic, xpos, ypos, imagewidth, imageheight, hyperlink);
118 touch();
119
120 return true;
121 }
122
eraseRect(bool whole,const Rect & box)123 void GraphicsWindow::eraseRect(bool whole, const Rect &box) {
124 int x0 = box.left, y0 = box.top, x1 = box.right, y1 = box.bottom;
125 int hx0, hx1, hy0, hy1;
126
127 if (whole) {
128 x0 = 0;
129 y0 = 0;
130 x1 = _w;
131 y1 = _h;
132 }
133
134 if (x0 < 0) x0 = 0;
135 if (y0 < 0) y0 = 0;
136 if (x1 < 0) x1 = 0;
137 if (y1 < 0) y1 = 0;
138 if ((uint)x0 >= _w) x0 = _w;
139 if ((uint)y0 >= _h) y0 = _h;
140 if ((uint)x1 >= _w) x1 = _w;
141 if ((uint)y1 >= _h) y1 = _h;
142
143 hx0 = _bbox.left + x0;
144 hx1 = _bbox.left + x1;
145 hy0 = _bbox.top + y0;
146 hy1 = _bbox.top + y1;
147
148 // zero out hyperlinks for these coordinates
149 g_vm->_selection->putHyperlink(0, hx0, hy0, hx1, hy1);
150
151 _surface->fillRect(Rect(x0, y0, x1, y1), _bgnd);
152 touch();
153 }
154
fillRect(uint color,const Rect & box)155 void GraphicsWindow::fillRect(uint color, const Rect &box) {
156 int x0 = box.left, y0 = box.top, x1 = box.right, y1 = box.bottom;
157 int hx0, hx1, hy0, hy1;
158
159 if (x0 < 0) x0 = 0;
160 if (y0 < 0) y0 = 0;
161 if (x1 < 0) x1 = 0;
162 if (y1 < 0) y1 = 0;
163 if ((uint)x0 > _w) x0 = _w;
164 if ((uint)y0 > _h) y0 = _h;
165 if ((uint)x1 > _w) x1 = _w;
166 if ((uint)y1 > _h) y1 = _h;
167
168 hx0 = _bbox.left + x0;
169 hx1 = _bbox.left + x1;
170 hy0 = _bbox.top + y0;
171 hy1 = _bbox.top + y1;
172
173 // zero out hyperlinks for these coordinates
174 g_vm->_selection->putHyperlink(0, hx0, hy0, hx1, hy1);
175
176 _surface->fillRect(Rect(x0, y0, x1, y1), color);
177 touch();
178 }
179
drawPicture(Picture * src,int x0,int y0,int width,int height,uint linkval)180 void GraphicsWindow::drawPicture(Picture *src, int x0, int y0, int width, int height, uint linkval) {
181 int dx1, dy1, x1, y1, sx0, sy0, sx1, sy1;
182 int hx0, hx1, hy0, hy1;
183 int w, h;
184
185 if (width != src->w || height != src->h) {
186 src = g_vm->_pictures->scale(src, width, height);
187 if (!src)
188 return;
189 }
190
191 sx0 = 0;
192 sy0 = 0;
193 sx1 = src->w;
194 sy1 = src->h;
195 dx1 = _w;
196 dy1 = _h;
197
198 x1 = x0 + src->w;
199 y1 = y0 + src->h;
200
201 if (x1 <= 0 || x0 >= dx1) return;
202 if (y1 <= 0 || y0 >= dy1) return;
203 if (x0 < 0) {
204 sx0 -= x0;
205 x0 = 0;
206 }
207 if (y0 < 0) {
208 sy0 -= y0;
209 y0 = 0;
210 }
211 if (x1 > dx1) {
212 sx1 += dx1 - x1;
213 x1 = dx1;
214 }
215 if (y1 > dy1) {
216 sy1 += dy1 - y1;
217 y1 = dy1;
218 }
219
220 hx0 = _bbox.left + x0;
221 hx1 = _bbox.left + x1;
222 hy0 = _bbox.top + y0;
223 hy1 = _bbox.top + y1;
224
225 // zero out or set hyperlink for these coordinates
226 g_vm->_selection->putHyperlink(linkval, hx0, hy0, hx1, hy1);
227
228 w = sx1 - sx0;
229 h = sy1 - sy0;
230
231 _surface->transBlitFrom(*src, Rect(sx0, sy0, sx0 + w, sy0 + h), Point(x0, y0), src->getTransparentColor());
232 }
233
getSize(uint * width,uint * height) const234 void GraphicsWindow::getSize(uint *width, uint *height) const {
235 *width = _bbox.width();
236 *height = _bbox.height();
237 }
238
setBackgroundColor(uint color)239 void GraphicsWindow::setBackgroundColor(uint color) {
240 _bgnd = color;
241 }
242
click(const Point & newPos)243 void GraphicsWindow::click(const Point &newPos) {
244 Point diff = newPos - Point(_bbox.left, _bbox.top);
245
246 if (_mouseRequest) {
247 g_vm->_events->store(evtype_MouseInput, this, diff.x, diff.y);
248 _mouseRequest = false;
249 if (g_conf->_safeClicks)
250 g_vm->_events->_forceClick = true;
251 }
252
253 if (_hyperRequest) {
254 uint linkval = g_vm->_selection->getHyperlink(newPos);
255 if (linkval) {
256 g_vm->_events->store(evtype_Hyperlink, this, linkval, 0);
257 _hyperRequest = false;
258 if (g_conf->_safeClicks)
259 g_vm->_events->_forceClick = 1;
260 }
261 }
262 }
263
264 } // End of namespace Glk
265