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Fix STRIDE macro for multiscreen and add stride support for picture lib.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22615 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2009-09-04 00:46:24 +00:00
parent f6025186fd
commit 25123570c7
28 changed files with 194 additions and 112 deletions
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13
apps/plugins/lib/picture.c
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@ -26,15 +26,15 @@ void picture_draw(struct screen* display, const struct picture* picture,
display->bitmap(
picture->data,
x, y,
picture->width, picture->height
picture->width, picture->slide_height
);
}
/**
* Draws a part of the given picture on the given screen
* Use it when the data contains multiple pictures from top to bottom.
* In that case, picture.height represents the height of one picture,
* not the whole set.
* In that case, picture.slide_height represents the height of one picture,
* not the whole set. picture.height represents the height of the whole image
* @param display the screen where to display the picture
* @param picture the picture's data, only a part will be displayed
* @param yoffset display the data in the picture from yoffset to
@ -49,9 +49,9 @@ void vertical_picture_draw_part(struct screen* display, const struct picture* pi
picture->data,
/*slice into picture->data */
0, yoffset,
picture->width,
STRIDE(display->screen_type, picture->width, picture->height),
/* Position on the screen */
x, y, picture->width, picture->height
x, y, picture->width, picture->slide_height
);
}
@ -68,5 +68,6 @@ void vertical_picture_draw_part(struct screen* display, const struct picture* pi
void vertical_picture_draw_sprite(struct screen* display, const struct picture* picture,
int sprite_no,
int x, int y){
vertical_picture_draw_part(display, picture, sprite_no*picture->height, x, y);
vertical_picture_draw_part( display, picture,
sprite_no*picture->slide_height, x, y);
}