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author | Dan Everton <dan@iocaine.org> | 2006-02-09 21:49:28 +0000 |
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committer | Dan Everton <dan@iocaine.org> | 2006-02-09 21:49:28 +0000 |
commit | b585e87b454917f0424541a34c0b41b1fe83f694 (patch) | |
tree | f93652b42b4791ce4f8b64421a1a063c58e511b0 /uisimulator/sdl/lcd-bitmap.c | |
parent | f42f42e5543f18d11142bb98e3c8677a04b99318 (diff) | |
download | rockbox-b585e87b454917f0424541a34c0b41b1fe83f694.tar.gz rockbox-b585e87b454917f0424541a34c0b41b1fe83f694.zip |
Refactor SDL sim source so drawing routines are written once. Split bitmap, remote, and charcell LCD in to their own files. Add zoom support, use --zoom factor (e.g. --zoom 2 for two times zoom) to use it.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8645 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'uisimulator/sdl/lcd-bitmap.c')
-rw-r--r-- | uisimulator/sdl/lcd-bitmap.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/uisimulator/sdl/lcd-bitmap.c b/uisimulator/sdl/lcd-bitmap.c new file mode 100644 index 0000000000..db4a98d823 --- /dev/null +++ b/uisimulator/sdl/lcd-bitmap.c | |||
@@ -0,0 +1,79 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2006 Dan Everton | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | |||
20 | #include "uisdl.h" | ||
21 | #include "lcd-sdl.h" | ||
22 | |||
23 | SDL_Surface* lcd_surface; | ||
24 | |||
25 | #if LCD_DEPTH <= 8 | ||
26 | SDL_Color lcd_color_zero = {UI_LCD_BGCOLORLIGHT, 0}; | ||
27 | SDL_Color lcd_color_max = {0, 0, 0, 0}; | ||
28 | #endif | ||
29 | |||
30 | static inline Uint32 get_lcd_pixel(int x, int y) | ||
31 | { | ||
32 | #if LCD_DEPTH == 1 | ||
33 | return ((lcd_framebuffer[y/8][x] >> (y & 7)) & 1); | ||
34 | #elif LCD_DEPTH == 2 | ||
35 | #if LCD_PIXELFORMAT == HORIZONTAL_PACKING | ||
36 | return ((lcd_framebuffer[y][x/4] >> (2 * (x & 3))) & 3); | ||
37 | #else | ||
38 | return ((lcd_framebuffer[y/4][x] >> (2 * (y & 3))) & 3); | ||
39 | #endif | ||
40 | #elif LCD_DEPTH == 16 | ||
41 | #if LCD_PIXELFORMAT == RGB565SWAPPED | ||
42 | unsigned bits = lcd_framebuffer[y][x]; | ||
43 | return (bits >> 8) | (bits << 8); | ||
44 | #else | ||
45 | return lcd_framebuffer[y][x]; | ||
46 | #endif | ||
47 | #endif | ||
48 | } | ||
49 | |||
50 | void lcd_update(void) | ||
51 | { | ||
52 | /* update a full screen rect */ | ||
53 | lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT); | ||
54 | } | ||
55 | |||
56 | void lcd_update_rect(int x_start, int y_start, int width, int height) | ||
57 | { | ||
58 | sdl_update_rect(lcd_surface, x_start, y_start, width, height, LCD_WIDTH, LCD_HEIGHT, | ||
59 | background ? UI_LCD_POSX : 0, background? UI_LCD_POSY : 0, | ||
60 | get_lcd_pixel); | ||
61 | } | ||
62 | |||
63 | |||
64 | /* initialise simulator lcd driver */ | ||
65 | void sim_lcd_init(void) | ||
66 | { | ||
67 | #if LCD_DEPTH == 16 | ||
68 | lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH * display_zoom, | ||
69 | LCD_HEIGHT * display_zoom, LCD_DEPTH, 0, 0, 0, 0); | ||
70 | #else | ||
71 | lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH * display_zoom, | ||
72 | LCD_HEIGHT * display_zoom, 8, 0, 0, 0, 0); | ||
73 | #endif | ||
74 | |||
75 | #if LCD_DEPTH <= 8 | ||
76 | sdl_set_gradient(lcd_surface, &lcd_color_zero, &lcd_color_max, (1<<LCD_DEPTH)); | ||
77 | #endif | ||
78 | } | ||
79 | |||