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Diffstat (limited to 'uisimulator/sdl/lcd-sdl.c')
-rw-r--r--uisimulator/sdl/lcd-sdl.c297
1 files changed, 34 insertions, 263 deletions
diff --git a/uisimulator/sdl/lcd-sdl.c b/uisimulator/sdl/lcd-sdl.c
index 1a6e8da8e8..4a0962dbec 100644
--- a/uisimulator/sdl/lcd-sdl.c
+++ b/uisimulator/sdl/lcd-sdl.c
@@ -17,296 +17,67 @@
17 * 17 *
18 ****************************************************************************/ 18 ****************************************************************************/
19 19
20#include "lcd-sdl.h"
20#include "uisdl.h" 21#include "uisdl.h"
21#include "lcd.h"
22#include "lcd-playersim.h"
23 22
24SDL_Surface* lcd_surface; 23int display_zoom = 1;
25 24
26#if LCD_DEPTH == 16 25void sdl_update_rect(SDL_Surface *surface, int x_start, int y_start, int width,
27#else 26 int height, int max_x, int max_y, int ui_x, int ui_y,
28SDL_Color lcd_palette[(1<<LCD_DEPTH)]; 27 Uint32 (*getpixel)(int, int))
29SDL_Color lcd_color_zero = {UI_LCD_BGCOLORLIGHT, 0};
30SDL_Color lcd_color_max = {0, 0, 0, 0};
31
32#endif
33
34#ifdef HAVE_LCD_BITMAP
35
36#ifdef HAVE_REMOTE_LCD
37SDL_Surface *remote_surface;
38SDL_Color remote_palette[(1<<LCD_REMOTE_DEPTH)];
39SDL_Color remote_color_zero = {UI_REMOTE_BGCOLORLIGHT, 0};
40SDL_Color remote_color_max = {0, 0, 0, 0};
41
42#endif
43
44void lcd_update (void)
45{
46 /* update a full screen rect */
47 lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
48}
49
50void lcd_update_rect(int x_start, int y_start, int width, int height)
51{ 28{
52 int x, y; 29 int x, y;
53 int xmax, ymax; 30 int xmax, ymax;
31 SDL_Rect dest;
54 32
55 ymax = y_start + height; 33 ymax = y_start + height;
56 xmax = x_start + width; 34 xmax = x_start + width;
57 35
58 if(xmax > LCD_WIDTH) 36 if(xmax > max_x)
59 xmax = LCD_WIDTH; 37 xmax = max_x;
60 if(ymax >= LCD_HEIGHT) 38 if(ymax >= max_y)
61 ymax = LCD_HEIGHT; 39 ymax = max_y;
62
63 SDL_LockSurface(lcd_surface);
64 40
65 int bpp = lcd_surface->format->BytesPerPixel; 41 SDL_LockSurface(surface);
66 42
67 for (x = x_start; x < xmax; x++) 43 dest.w = display_zoom;
68 { 44 dest.h = display_zoom;
69 for (y = y_start; y < ymax; y++) 45
70 { 46 for (x = x_start; x < xmax; x++) {
71 Uint8 *p = (Uint8 *)lcd_surface->pixels + y * lcd_surface->pitch + x * bpp; 47 dest.x = x * display_zoom;
72 48
73#if LCD_DEPTH == 1 49 for (y = y_start; y < ymax; y++) {
74 *p = ((lcd_framebuffer[y/8][x] >> (y & 7)) & 1); 50 dest.y = y * display_zoom;
75#elif LCD_DEPTH == 2 51
76#if LCD_PIXELFORMAT == HORIZONTAL_PACKING 52 SDL_FillRect(surface, &dest, getpixel(x, y));
77 *p = ((lcd_framebuffer[y][x/4] >> (2 * (x & 3))) & 3);
78#else
79 *p = ((lcd_framebuffer[y/4][x] >> (2 * (y & 3))) & 3);
80#endif
81#elif LCD_DEPTH == 16
82#if LCD_PIXELFORMAT == RGB565SWAPPED
83 unsigned bits = lcd_framebuffer[y][x];
84 *(Uint16 *)p = (bits >> 8) | (bits << 8);
85#else
86 *(Uint16 *)p = lcd_framebuffer[y][x];
87#endif
88#endif
89 } 53 }
90 } 54 }
91 55
92 SDL_UnlockSurface(lcd_surface); 56 SDL_UnlockSurface(surface);
93
94 SDL_Rect src = {x_start, y_start, xmax, ymax};
95 SDL_Rect dest = {UI_LCD_POSX + x_start, UI_LCD_POSY + y_start, xmax, ymax};
96 57
97 if (!background) { 58 SDL_Rect src = {x_start * display_zoom, y_start * display_zoom, xmax * display_zoom, ymax * display_zoom};
98 dest.x -= UI_LCD_POSX; 59 dest.x = (ui_x + x_start) * display_zoom;
99 dest.y -= UI_LCD_POSY; 60 dest.y = (ui_y + y_start) * display_zoom;;
100 } 61 dest.w = xmax * display_zoom;
62 dest.h = ymax * display_zoom;
101 63
102 SDL_BlitSurface(lcd_surface, &src, gui_surface, &dest); 64 SDL_BlitSurface(surface, &src, gui_surface, &dest);
103 SDL_UpdateRect(gui_surface, dest.x, dest.y, dest.w, dest.h); 65 SDL_UpdateRect(gui_surface, dest.x, dest.y, dest.w, dest.h);
104 SDL_Flip(gui_surface); 66 SDL_Flip(gui_surface);
105
106} 67}
107 68
108#ifdef HAVE_REMOTE_LCD
109
110extern unsigned char lcd_remote_framebuffer[LCD_REMOTE_HEIGHT/8][LCD_REMOTE_WIDTH];
111
112void lcd_remote_update (void)
113{
114 lcd_remote_update_rect(0, 0, LCD_REMOTE_WIDTH, LCD_REMOTE_HEIGHT);
115}
116
117void lcd_remote_update_rect(int x_start, int y_start,
118 int width, int height)
119{
120 int x, y;
121 int xmax, ymax;
122
123 ymax = y_start + height;
124 xmax = x_start + width;
125
126 if(xmax > LCD_REMOTE_WIDTH)
127 xmax = LCD_REMOTE_WIDTH;
128 if(ymax >= LCD_REMOTE_HEIGHT)
129 ymax = LCD_REMOTE_HEIGHT;
130
131 SDL_LockSurface(remote_surface);
132
133 int bpp = remote_surface->format->BytesPerPixel;
134
135 for (x = x_start; x < xmax; x++)
136 for (y = y_start; y < ymax; y++)
137 {
138 Uint8 *p = (Uint8 *)remote_surface->pixels + y * remote_surface->pitch + x * bpp;
139
140 *p = ((lcd_remote_framebuffer[y/8][x] >> (y & 7)) & 1);
141 }
142
143 SDL_UnlockSurface(remote_surface);
144
145 SDL_Rect src = {x_start, y_start, xmax, ymax};
146 SDL_Rect dest = {UI_REMOTE_POSX + x_start, UI_REMOTE_POSY + y_start, xmax, ymax};
147
148 if (!background) {
149 dest.x -= UI_REMOTE_POSX;
150 dest.y -= UI_REMOTE_POSY;
151 dest.y += UI_LCD_HEIGHT;
152 }
153
154 SDL_BlitSurface(remote_surface, &src, gui_surface, &dest);
155 SDL_UpdateRect(gui_surface, dest.x, dest.y, dest.w, dest.h);
156 SDL_Flip(gui_surface);
157
158}
159
160#endif /* HAVE_REMOTE_LCD */
161#endif /* HAVE_LCD_BITMAP */
162
163#ifdef HAVE_LCD_CHARCELLS
164/* Defined in lcd-playersim.c */
165extern void lcd_print_char(int x, int y);
166extern bool lcd_display_redraw;
167extern unsigned char hardware_buffer_lcd[11][2];
168static unsigned char lcd_buffer_copy[11][2];
169
170void lcd_update(void)
171{
172 int x, y;
173 bool changed = false;
174 SDL_Rect dest = {UI_LCD_POSX, UI_LCD_POSY, UI_LCD_WIDTH, UI_LCD_HEIGHT};
175
176 for (y = 0; y < 2; y++)
177 {
178 for (x = 0; x < 11; x++)
179 {
180 if (lcd_display_redraw ||
181 lcd_buffer_copy[x][y] != hardware_buffer_lcd[x][y])
182 {
183 lcd_buffer_copy[x][y] = hardware_buffer_lcd[x][y];
184 lcd_print_char(x, y);
185 changed = true;
186 }
187 }
188 }
189
190 if (changed)
191 {
192 if (!background) {
193 dest.x -= UI_LCD_POSX;
194 dest.y -= UI_LCD_POSY;
195 }
196
197 SDL_BlitSurface(lcd_surface, NULL, gui_surface, &dest);
198 SDL_UpdateRect(gui_surface, dest.x, dest.y, dest.w, dest.h);
199 SDL_Flip(gui_surface);
200 }
201
202 lcd_display_redraw = false;
203}
204
205void drawdots(int color, struct coordinate *points, int count)
206{
207 int bpp = lcd_surface->format->BytesPerPixel;
208
209 SDL_LockSurface(lcd_surface);
210
211 while (count--)
212 {
213 Uint8 *p = (Uint8 *)lcd_surface->pixels + (points[count].y) * lcd_surface->pitch + (points[count].x) * bpp;
214
215 *p = color;
216 }
217
218 SDL_UnlockSurface(lcd_surface);
219}
220
221void drawrectangles(int color, struct rectangle *points, int count)
222{
223 int bpp = lcd_surface->format->BytesPerPixel;
224
225 SDL_LockSurface(lcd_surface);
226
227 while (count--)
228 {
229 int x;
230 int y;
231 int ix;
232 int iy;
233
234 for (x = points[count].x, ix = 0; ix < points[count].width; x++, ix++)
235 {
236 for (y = points[count].y, iy = 0; iy < points[count].height; y++, iy++)
237 {
238 Uint8 *p = (Uint8 *)lcd_surface->pixels + y * lcd_surface->pitch + x * bpp;
239
240 *p = color;
241 }
242 }
243 }
244
245 SDL_UnlockSurface(lcd_surface);
246}
247#endif /* HAVE_LCD_CHARCELLS */
248
249#if LCD_DEPTH <= 8
250/* set a range of bitmap indices to a gradient from startcolour to endcolour */ 69/* set a range of bitmap indices to a gradient from startcolour to endcolour */
251void lcdcolors(int index, int count, SDL_Color *start, SDL_Color *end) 70void sdl_set_gradient(SDL_Surface *surface, SDL_Color *start, SDL_Color *end, int steps)
252{ 71{
253 int i; 72 int i;
73 SDL_Color palette[steps];
254 74
255 count--; 75 for (i = 0; i < steps; i++) {
256 for (i = 0; i <= count; i++) 76 palette[i].r = start->r + (end->r - start->r) * i / steps;
257 { 77 palette[i].g = start->g + (end->g - start->g) * i / steps;
258 lcd_palette[i+index].r = start->r 78 palette[i].b = start->b + (end->b - start->b) * i / steps;
259 + (end->r - start->r) * i / count;
260 lcd_palette[i+index].g = start->g
261 + (end->g - start->g) * i / count;
262 lcd_palette[i+index].b = start->b
263 + (end->b - start->b) * i / count;
264 } 79 }
265 80
266 SDL_SetPalette(lcd_surface, SDL_LOGPAL|SDL_PHYSPAL, lcd_palette, index, count); 81 SDL_SetPalette(surface, SDL_LOGPAL|SDL_PHYSPAL, palette, 0, steps);
267} 82}
268#endif
269 83
270#ifdef HAVE_REMOTE_LCD
271/* set a range of bitmap indices to a gradient from startcolour to endcolour */
272void lcdremotecolors(int index, int count, SDL_Color *start, SDL_Color *end)
273{
274 int i;
275
276 count--;
277 for (i = 0; i <= count; i++)
278 {
279 remote_palette[i+index].r = start->r
280 + (end->r - start->r) * i / count;
281 remote_palette[i+index].g = start->g
282 + (end->g - start->g) * i / count;
283 remote_palette[i+index].b = start->b
284 + (end->b - start->b) * i / count;
285 }
286
287 SDL_SetPalette(remote_surface, SDL_LOGPAL|SDL_PHYSPAL, remote_palette, index, count);
288}
289#endif
290
291/* initialise simulator lcd driver */
292void simlcdinit(void)
293{
294#if LCD_DEPTH == 16
295 lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH, LCD_HEIGHT, 16,
296 0, 0, 0, 0);
297#else
298 lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH, LCD_HEIGHT, 8,
299 0, 0, 0, 0);
300#endif
301
302#if LCD_DEPTH <= 8
303 lcdcolors(0, (1<<LCD_DEPTH), &lcd_color_zero, &lcd_color_max);
304#endif
305
306#ifdef HAVE_REMOTE_LCD
307 remote_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_REMOTE_WIDTH, LCD_REMOTE_HEIGHT, 8,
308 0, 0, 0, 0);
309
310 lcdremotecolors(0, (1<<LCD_REMOTE_DEPTH), &remote_color_zero, &remote_color_max);
311#endif
312}