summaryrefslogtreecommitdiffstats
path: root/uisimulator/sdl/lcd-bitmap.c
diff options
context:
space:
mode:
authorDan Everton <dan@iocaine.org>2006-02-09 21:49:28 +0000
committerDan Everton <dan@iocaine.org>2006-02-09 21:49:28 +0000
commitb585e87b454917f0424541a34c0b41b1fe83f694 (patch)
treef93652b42b4791ce4f8b64421a1a063c58e511b0 /uisimulator/sdl/lcd-bitmap.c
parentf42f42e5543f18d11142bb98e3c8677a04b99318 (diff)
downloadrockbox-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.c79
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 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2006 Dan Everton
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "uisdl.h"
+#include "lcd-sdl.h"
+
+SDL_Surface* lcd_surface;
+
+#if LCD_DEPTH <= 8
+SDL_Color lcd_color_zero = {UI_LCD_BGCOLORLIGHT, 0};
+SDL_Color lcd_color_max = {0, 0, 0, 0};
+#endif
+
+static inline Uint32 get_lcd_pixel(int x, int y)
+{
+#if LCD_DEPTH == 1
+ return ((lcd_framebuffer[y/8][x] >> (y & 7)) & 1);
+#elif LCD_DEPTH == 2
+#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
+ return ((lcd_framebuffer[y][x/4] >> (2 * (x & 3))) & 3);
+#else
+ return ((lcd_framebuffer[y/4][x] >> (2 * (y & 3))) & 3);
+#endif
+#elif LCD_DEPTH == 16
+#if LCD_PIXELFORMAT == RGB565SWAPPED
+ unsigned bits = lcd_framebuffer[y][x];
+ return (bits >> 8) | (bits << 8);
+#else
+ return lcd_framebuffer[y][x];
+#endif
+#endif
+}
+
+void lcd_update(void)
+{
+ /* update a full screen rect */
+ lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
+}
+
+void lcd_update_rect(int x_start, int y_start, int width, int height)
+{
+ sdl_update_rect(lcd_surface, x_start, y_start, width, height, LCD_WIDTH, LCD_HEIGHT,
+ background ? UI_LCD_POSX : 0, background? UI_LCD_POSY : 0,
+ get_lcd_pixel);
+}
+
+
+/* initialise simulator lcd driver */
+void sim_lcd_init(void)
+{
+#if LCD_DEPTH == 16
+ lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH * display_zoom,
+ LCD_HEIGHT * display_zoom, LCD_DEPTH, 0, 0, 0, 0);
+#else
+ lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, LCD_WIDTH * display_zoom,
+ LCD_HEIGHT * display_zoom, 8, 0, 0, 0, 0);
+#endif
+
+#if LCD_DEPTH <= 8
+ sdl_set_gradient(lcd_surface, &lcd_color_zero, &lcd_color_max, (1<<LCD_DEPTH));
+#endif
+}
+