1// Aseprite Document Library
2// Copyright (c) 2018-2021 Igara Studio S.A.
3// Copyright (c) 2001-2016 David Capello
4//
5// This file is released under the terms of the MIT license.
6// Read LICENSE.txt for more information.
7
8#ifndef DOC_PRIMITIVES_H_INCLUDED
9#define DOC_PRIMITIVES_H_INCLUDED
10#pragma once
11
12#include "base/ints.h"
13#include "doc/color.h"
14#include "doc/image_buffer.h"
15#include "gfx/fwd.h"
16
17namespace doc {
18 class Brush;
19 class Image;
20 class Palette;
21 class Remap;
22
23 color_t get_pixel(const Image* image, int x, int y);
24 void put_pixel(Image* image, int x, int y, color_t c);
25
26 void clear_image(Image* image, color_t bg);
27
28 void copy_image(Image* dst, const Image* src);
29 void copy_image(Image* dst, const Image* src, int x, int y);
30 void copy_image(Image* dst, const Image* src, const gfx::Region& rgn);
31 Image* crop_image(const Image* image, int x, int y, int w, int h, color_t bg, const ImageBufferPtr& buffer = ImageBufferPtr());
32 Image* crop_image(const Image* image, const gfx::Rect& bounds, color_t bg, const ImageBufferPtr& buffer = ImageBufferPtr());
33 void rotate_image(const Image* src, Image* dst, int angle);
34
35 void draw_hline(Image* image, int x1, int y, int x2, color_t c);
36 void draw_vline(Image* image, int x, int y1, int y2, color_t c);
37 void draw_rect(Image* image, int x1, int y1, int x2, int y2, color_t c);
38 void fill_rect(Image* image, int x1, int y1, int x2, int y2, color_t c);
39 void fill_rect(Image* image, const gfx::Rect& rc, color_t c);
40 void blend_rect(Image* image, int x1, int y1, int x2, int y2, color_t c, int opacity);
41 void draw_line(Image* image, int x1, int y1, int x2, int y2, color_t c);
42 void draw_ellipse(Image* image, int x1, int y1, int x2, int y2, int extraXPxs, int extraYPxs, color_t color);
43 void fill_ellipse(Image* image, int x1, int y1, int x2, int y2, int extraXPxs, int extraYPxs, color_t color);
44
45 bool is_plain_image(const Image* img, color_t c);
46 bool is_empty_image(const Image* img);
47
48 int count_diff_between_images(const Image* i1, const Image* i2);
49 bool is_same_image(const Image* i1, const Image* i2);
50
51 void remap_image(Image* image, const Remap& remap);
52
53 uint32_t calculate_image_hash(const Image* image,
54 const gfx::Rect& bounds);
55
56 // Sets RGB values to 0 when alpha=0 (to match images with alpha=0
57 // in tilesets/calculate_image_hash)
58 void preprocess_transparent_pixels(Image* image);
59
60} // namespace doc
61
62#endif
63