Horizontal scrolling patch by Shachar Liberman - Part 2 :)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8413 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 33 insertions, 10 deletions

diff --git a/firmware/drivers/lcd-16bit.c b/firmware/drivers/lcd-16bit.c
index 6337fa1..b13e4ce 100644
--- a/firmware/drivers/lcd-16bit.c
+++ b/firmware/drivers/lcd-16bit.c
@@ -585,8 +585,26 @@ void lcd_putsxy(int x, int y, const unsigned char *str)
 
 /*** line oriented text output ***/
 
+/* put a string at a given char position */
+void lcd_puts(int x, int y, const unsigned char *str)
+{
+    lcd_puts_style_offset(x, y, str, STYLE_DEFAULT, 0);
+}
+
 void lcd_puts_style(int x, int y, const unsigned char *str, int style)
 {
+    lcd_puts_style_offset(x, y, str, style, 0);
+}
+
+void lcd_puts_offset(int x, int y, const unsigned char *str, int offset)
+{
+    lcd_puts_style_offset(x, y, str, STYLE_DEFAULT, offset);
+}
+
+/* put a string at a given char position, style, and pixel position,
+ * skipping first offset pixel columns */
+void lcd_puts_style_offset(int x, int y, const unsigned char *str, int style, int offset)
+{
     int xpos,ypos,w,h;
     int lastmode = drawmode;
 
@@ -599,7 +617,7 @@ void lcd_puts_style(int x, int y, const unsigned char *str, int style)
     lcd_getstringsize(str, &w, &h);
     xpos = xmargin + x*w / utf8length(str);
     ypos = ymargin + y*h;
-    lcd_putsxy(xpos, ypos, str);
+    lcd_putsxyofs(xpos, ypos, offset, str);
     drawmode = (DRMODE_SOLID|DRMODE_INVERSEVID);
     (void)style;
     lcd_fillrect(xpos + w, ypos, LCD_WIDTH - (xpos + w), h);
@@ -611,12 +629,6 @@ void lcd_puts_style(int x, int y, const unsigned char *str, int style)
     drawmode = lastmode;
 }
 
-/* put a string at a given char position */
-void lcd_puts(int x, int y, const unsigned char *str)
-{
-    lcd_puts_style(x, y, str, STYLE_DEFAULT);
-}
-
 /*** scrolling ***/
 
 /* Reverse the invert setting of the scrolling line (if any) at given char
@@ -663,6 +675,17 @@ void lcd_puts_scroll(int x, int y, const unsigned char *string)
 
 void lcd_puts_scroll_style(int x, int y, const unsigned char *string, int style)
 {
+     lcd_puts_scroll_style_offset(x, y, string, style, 0);
+}
+
+void lcd_puts_scroll_offset(int x, int y, const unsigned char *string, int offset)
+{
+     lcd_puts_scroll_style_offset(x, y, string, STYLE_DEFAULT, offset);
+}          
+   
+void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
+                                         int style, int offset)
+{
     struct scrollinfo* s;
     int w, h;
 
@@ -672,10 +695,10 @@ void lcd_puts_scroll_style(int x, int y, const unsigned char *string, int style)
     s->invert = false;
     if (style & STYLE_INVERT) {
         s->invert = true;
-        lcd_puts_style(x,y,string,STYLE_INVERT);
+        lcd_puts_style_offset(x,y,string,STYLE_INVERT,offset);
     }
     else
-        lcd_puts(x,y,string);
+        lcd_puts_offset(x,y,string,offset);
 
     lcd_getstringsize(string, &w, &h);
 
@@ -708,7 +731,7 @@ void lcd_puts_scroll_style(int x, int y, const unsigned char *string, int style)
         strncpy(end, string, LCD_WIDTH/2);
 
         s->len = utf8length(string);
-        s->offset = 0;
+        s->offset = offset;
         s->startx = x;
         s->backward = false;
         scrolling_lines |= (1<<y);