From 7c7e280aa6766ac34c6dbf4a5a2c6b14554ccc3f Mon Sep 17 00:00:00 2001 From: Nikita Kiryanov Date: Thu, 9 Aug 2012 00:14:51 +0000 Subject: [PATCH] common lcd: simplify lcd_display Simplify lcd_display by centralizing code into a funciton Signed-off-by: Nikita Kiryanov Signed-off-by: Igor Grinberg --- common/lcd.c | 27 ++++++++++++++++++--------- 1 file changed, 18 insertions(+), 9 deletions(-) diff --git a/common/lcd.c b/common/lcd.c index 8890635cf0..4a5c8d58de 100644 --- a/common/lcd.c +++ b/common/lcd.c @@ -607,6 +607,22 @@ static inline void bitmap_plot(int x, int y) {} #ifdef CONFIG_SPLASH_SCREEN_ALIGN #define BMP_ALIGN_CENTER 0x7FFF + +static void splash_align_axis(int *axis, unsigned long panel_size, + unsigned long picture_size) +{ + unsigned long panel_picture_delta = panel_size - picture_size; + unsigned long axis_alignment; + + if (*axis == BMP_ALIGN_CENTER) + axis_alignment = panel_picture_delta / 2; + else if (*axis < 0) + axis_alignment = panel_picture_delta + *axis + 1; + else + return; + + *axis = max(0, axis_alignment); +} #endif int lcd_display_bitmap(ulong bmp_image, int x, int y) @@ -722,15 +738,8 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); #ifdef CONFIG_SPLASH_SCREEN_ALIGN - if (x == BMP_ALIGN_CENTER) - x = max(0, (pwidth - width) / 2); - else if (x < 0) - x = max(0, pwidth - width + x + 1); - - if (y == BMP_ALIGN_CENTER) - y = max(0, (panel_info.vl_row - height) / 2); - else if (y < 0) - y = max(0, panel_info.vl_row - height + y + 1); + splash_align_axis(&x, pwidth, width); + splash_align_axis(&y, panel_info.vl_row, height); #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ if ((x + width) > pwidth) -- 2.30.2