09ad206cda
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>
91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
/*
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* This file is part of the libpayload project.
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*
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* Copyright (C) 2015 Google, Inc.
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*/
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#include <libpayload.h>
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#include <arch/types.h>
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#include <stddef.h>
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/*
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* API error codes
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*/
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#define CBGFX_SUCCESS 0
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/* unknown error */
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#define CBGFX_ERROR_UNKNOWN 1
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/* failed to initialize cbgfx library */
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#define CBGFX_ERROR_INIT 2
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/* drawing beyond canvas boundary */
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#define CBGFX_ERROR_BOUNDARY 3
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/* bitmap error: signature mismatch */
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#define CBGFX_ERROR_BITMAP_SIGNATURE 0x10
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/* bitmap error: unsupported format */
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#define CBGFX_ERROR_BITMAP_FORMAT 0x11
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/* bitmap error: invalid data */
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#define CBGFX_ERROR_BITMAP_DATA 0x12
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/* bitmap error: scaling out of range */
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#define CBGFX_ERROR_SCALE_OUT_OF_RANGE 0x13
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struct vector {
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union {
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uint32_t x;
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uint32_t width;
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};
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union {
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uint32_t y;
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uint32_t height;
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};
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};
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struct rgb_color {
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uint8_t red;
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uint8_t green;
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uint8_t blue;
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};
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/*
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* Resolution of scale parameters used to describe height, width, coordinate,
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* etc. relative to the canvas. For example, if it's 100, scales range from 0 to
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* 100%.
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*/
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#define CANVAS_SCALE 100
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/*
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* The coordinate system is expected to have (0, 0) at top left corner with
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* y values increasing towards bottom of screen.
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*/
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/*
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* draw a box filled with a color on screen
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*
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* top_left_rel: coordinate of top left corner of the box, relative to canvas.
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* (0 - CANVAS_SCALE).
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* size_rel: width and height of the box, relative to canvas. (0 - CANVAS_SCALE)
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* rgb: RGB color of the box.
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*
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* return: CBGFX_* error codes
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*/
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int draw_box(const struct vector *top_left_rel,
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const struct vector *size_rel,
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const struct rgb_color *rgb);
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/*
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* Clear the canvas
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*/
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int clear_canvas(struct rgb_color *rgb);
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/*
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* Draw a bitmap image on screen.
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*
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* top_left_rel: coordinate of the top left corner of the image relative to the
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* canvas (0 - CANVAS_SCALE).
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* scale_rel: scale factor relative to the canvas width (0 - CANVAS_SCALE).
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* bitmap: pointer to the bitmap data, starting from the file header.
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* size: size of the bitmap data
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*
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* return: CBGFX_* error codes
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*/
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int draw_bitmap(const struct vector *top_left_rel,
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size_t scale_rel, const void *bitmap, size_t size);
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