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cbgfx: add draw_bitmap

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draw_bitmap renders a bitmap image on screen with position and sizes
scaled relative to the screen. images are scaled up or down by nearest
neighbor interpolation.

BUG=chrome-os-partner:43444
BRANCH=tot
TEST=drew bitmap images on Samus

Change-Id: Ib599acc85b25626a6aed1fa9884ecd8e169bb860
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: c910c9cdb7efc53aace067bd081aeefc07556811
Original-Reviewed-on: https://chromium-review.googlesource.com/290302
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Change-Id: Ib599acc85b25626a6aed1fa9884ecd8e169bb860
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/295532
Reviewed-on: http://review.coreboot.org/11584
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Daisuke Nojiri
2015-08-03 10:51:38 -07:00
committed by Patrick Georgi
parent 3f66398ef8
commit 09ad206cda
3 changed files with 295 additions and 3 deletions
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26
payloads/libpayload/include/cbgfx.h
View File

@ -4,7 +4,9 @@
* Copyright (C) 2015 Google, Inc.
*/
#include <stdint.h>
#include <libpayload.h>
#include <arch/types.h>
#include <stddef.h>
/*
* API error codes
@ -16,6 +18,14 @@
#define CBGFX_ERROR_INIT 2
/* drawing beyond canvas boundary */
#define CBGFX_ERROR_BOUNDARY 3
/* bitmap error: signature mismatch */
#define CBGFX_ERROR_BITMAP_SIGNATURE 0x10
/* bitmap error: unsupported format */
#define CBGFX_ERROR_BITMAP_FORMAT 0x11
/* bitmap error: invalid data */
#define CBGFX_ERROR_BITMAP_DATA 0x12
/* bitmap error: scaling out of range */
#define CBGFX_ERROR_SCALE_OUT_OF_RANGE 0x13
struct vector {
union {
@ -64,3 +74,17 @@ int draw_box(const struct vector *top_left_rel,
* Clear the canvas
*/
int clear_canvas(struct rgb_color *rgb);
/*
* Draw a bitmap image on screen.
*
* top_left_rel: coordinate of the top left corner of the image relative to the
* canvas (0 - CANVAS_SCALE).
* scale_rel: scale factor relative to the canvas width (0 - CANVAS_SCALE).
* bitmap: pointer to the bitmap data, starting from the file header.
* size: size of the bitmap data
*
* return: CBGFX_* error codes
*/
int draw_bitmap(const struct vector *top_left_rel,
size_t scale_rel, const void *bitmap, size_t size);