| 1 | /*
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| 2 | * Copyright (c) 2012 Petr Koupy
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup draw
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file
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| 34 | */
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| 35 |
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| 36 | #include <assert.h>
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| 37 | #include <stddef.h>
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| 38 | #include <stdint.h>
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| 39 | #include <stdlib.h>
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| 40 |
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| 41 | #include <draw/gfx.h>
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| 42 | #include <draw/cursor.h>
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| 43 | #include <draw/surface.h>
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| 44 |
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| 45 | static void cde_init(char *path, uint8_t *state_count, void **data)
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| 46 | {
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| 47 | assert(state_count);
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| 48 | assert(data);
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| 49 |
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| 50 | (*state_count) = 1;
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| 51 | (*data) = NULL;
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| 52 | }
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| 53 |
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| 54 | static surface_t *cde_render(uint8_t state)
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| 55 | {
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| 56 | if (state != 0)
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| 57 | return NULL;
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| 58 |
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| 59 | surface_t *surface = surface_create(CURSOR_WIDTH, CURSOR_HEIGHT, NULL, 0);
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| 60 | if (!surface)
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| 61 | return NULL;
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| 62 |
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| 63 | for (unsigned int y = 0; y < CURSOR_HEIGHT; ++y) {
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| 64 | for (unsigned int x = 0; x < CURSOR_WIDTH; ++x) {
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| 65 | size_t offset = y * ((CURSOR_WIDTH - 1) / 8 + 1) + x / 8;
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| 66 | bool visible = cursor_mask[offset] & (1 << (x % 8));
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| 67 | pixel_t pixel = (cursor_texture[offset] & (1 << (x % 8))) ?
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| 68 | PIXEL(255, 0, 0, 0) : PIXEL(255, 255, 255, 255);
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| 69 |
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| 70 | if (visible)
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| 71 | surface_put_pixel(surface, x, y, pixel);
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| 72 | }
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| 73 | }
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| 74 |
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| 75 | return surface;
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| 76 | }
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| 77 |
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| 78 | static void cde_release(void *data)
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| 79 | {
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| 80 | /* no-op */
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| 81 | }
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| 82 |
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| 83 | cursor_decoder_t cd_embedded = {
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| 84 | .init = cde_init,
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| 85 | .render = cde_render,
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| 86 | .release = cde_release
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| 87 | };
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| 88 |
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| 89 | /** @}
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| 90 | */
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