mirror of https://github.com/aseprite/aseprite.git
106 lines
2.5 KiB
C++
106 lines
2.5 KiB
C++
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// Aseprite
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// Copyright (C) 2022-2024 Igara Studio S.A.
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// Copyright (C) 2001-2018 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/util/render_text.h"
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#include "app/font_info.h"
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#include "app/ui/skin/skin_theme.h"
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#include "base/fs.h"
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#include "doc/blend_funcs.h"
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#include "doc/blend_internals.h"
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#include "doc/color.h"
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#include "doc/image.h"
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#include "doc/primitives.h"
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#include "text/draw_text.h"
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#include "text/font_metrics.h"
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#ifdef LAF_SKIA
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#include "app/util/shader_helpers.h"
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#include "os/skia/skia_surface.h"
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#endif
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#include <memory>
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#include <stdexcept>
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namespace app {
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doc::ImageRef render_text(
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const text::FontMgrRef& fontMgr,
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const FontInfo& fontInfo,
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const std::string& text,
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gfx::Color color)
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{
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doc::ImageRef image;
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auto* theme = skin::SkinTheme::instance();
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ASSERT(theme);
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if (!theme)
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return nullptr;
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text::FontRef font;
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if (fontInfo.type() == FontInfo::Type::System) {
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// Just in case the typeface is not present in the FontInfo
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fontInfo.findTypeface(fontMgr);
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const text::FontMgrRef fontMgr = theme->fontMgr();
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font = fontMgr->makeFont(fontInfo.typeface());
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if (!fontInfo.useDefaultSize())
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font->setSize(fontInfo.size());
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}
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else {
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const int size = (fontInfo.useDefaultSize() ? 18: fontInfo.size());
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font = theme->getFontByName(fontInfo.name(), size);
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if (!font && fontInfo.type() == FontInfo::Type::File) {
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font = fontMgr->loadTrueTypeFont(fontInfo.name().c_str(), size);
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}
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}
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if (!font)
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return nullptr;
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font->setAntialias(fontInfo.antialias());
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os::Paint paint;
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paint.style(os::Paint::StrokeAndFill);
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paint.color(color);
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gfx::RectF bounds;
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bounds.w = font->measureText(text, &bounds, &paint);
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text::FontMetrics metrics;
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bounds.w += 1;
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bounds.h = font->metrics(&metrics);
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if (bounds.w < 1) bounds.w = 1;
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if (bounds.h < 1) bounds.h = 1;
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image.reset(doc::Image::create(doc::IMAGE_RGB, bounds.w, bounds.h));
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#ifdef LAF_SKIA
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sk_sp<SkSurface> skSurface = wrap_docimage_in_sksurface(image.get());
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os::SurfaceRef surface = base::make_ref<os::SkiaSurface>(skSurface);
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if (fontInfo.type() == FontInfo::Type::System) {
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text::draw_text_with_shaper(
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surface.get(), fontMgr, font, text, gfx::PointF(0, 0), &paint);
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}
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else {
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text::draw_text(
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surface.get(), fontMgr, font, text,
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color, gfx::ColorNone, 0, 0, nullptr);
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}
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#endif // LAF_SKIA
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return image;
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}
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} // namespace app
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