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common lcd: simplify lcd_display

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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>
This commit is contained in:
Nikita Kiryanov 2012-08-09 00:14:51 +00:00 committed by Anatolij Gustschin
parent d3a555eddb
commit 7c7e280aa6
1 changed files with 18 additions and 9 deletions
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27
common/lcd.c
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@ -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)