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| author | Nikita Kiryanov <nikita@compulab.co.il> | 2012-08-09 00:14:51 +0000 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2012-09-05 10:27:57 +0200 |
| commit | 7c7e280aa6766ac34c6dbf4a5a2c6b14554ccc3f (patch) | |
| tree | 2a5d8b63ab9a5548d744f2c084e3ec9425c80f3f | |
| parent | d3a555eddb019ae4a0db7ab9c0c2297f0215a12f (diff) | |
| download | u-boot-imx-7c7e280aa6766ac34c6dbf4a5a2c6b14554ccc3f.zip u-boot-imx-7c7e280aa6766ac34c6dbf4a5a2c6b14554ccc3f.tar.gz u-boot-imx-7c7e280aa6766ac34c6dbf4a5a2c6b14554ccc3f.tar.bz2 | |
common lcd: simplify lcd_display
Simplify lcd_display by centralizing code into a funciton
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
| -rw-r--r-- | common/lcd.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/common/lcd.c b/common/lcd.c index 8890635..4a5c8d5 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) |