mirror of
https://github.com/aseprite/aseprite.git
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53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
// Aseprite
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// Copyright (C) 2017-2018 David Capello
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//
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// This program is distributed under the terms of
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// the End-User License Agreement for Aseprite.
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "app/load_matrix.h"
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#include "app/context.h"
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#include "app/doc.h"
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#include "app/file/file.h"
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#include "doc/layer.h"
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#include "doc/sprite.h"
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#include "render/dithering_matrix.h"
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namespace app {
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bool load_dithering_matrix_from_sprite(
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const std::string& filename,
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render::DitheringMatrix& matrix)
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{
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std::unique_ptr<Doc> doc(load_document(nullptr, filename));
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if (!doc)
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return false;
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doc::Sprite* spr = doc->sprite();
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const doc::Layer* lay = (spr && spr->root() ? spr->root()->firstLayer():
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nullptr);
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const doc::Image* img = (lay && lay->cel(0) ? lay->cel(0)->image():
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nullptr);
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if (img) {
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const int w = spr->width();
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const int h = spr->height();
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matrix = render::DitheringMatrix(h, w);
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for (int i=0; i<h; ++i)
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for (int j=0; j<w; ++j)
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matrix(i, j) = img->getPixel(j, i);
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matrix.calcMaxValue();
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}
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else {
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matrix = render::DitheringMatrix();
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}
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return true;
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}
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} // namespace app
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