mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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204 lines
8.3 KiB
C++
204 lines
8.3 KiB
C++
/*
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* Copyright (c) Adubbz
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "ui_util.hpp"
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#include <cstdio>
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#include <math.h>
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#include <cstring>
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namespace dbk {
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namespace {
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constexpr const char *SwitchStandardFont = "switch-standard";
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constexpr float WindowCornerRadius = 20.0f;
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constexpr float TextAreaCornerRadius = 10.0f;
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constexpr float ButtonCornerRaidus = 3.0f;
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NVGcolor GetSelectionRGB2(u64 ns) {
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/* Calculate the rgb values for the breathing colour effect. */
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const double t = static_cast<double>(ns) / 1'000'000'000.0d;
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const float d = -0.5 * cos(3.0f*t) + 0.5f;
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const int r2 = 83 + (float)(128 - 83) * (d * 0.7f + 0.3f);
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const int g2 = 71 + (float)(126 - 71) * (d * 0.7f + 0.3f);
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const int b2 = 185 + (float)(230 - 185) * (d * 0.7f + 0.3f);
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return nvgRGB(r2, g2, b2);
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}
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}
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void DrawStar(NVGcontext *vg, float x, float y, float width) {
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nvgBeginPath(vg);
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nvgEllipse(vg, x, y, width, width * 3.0f);
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nvgEllipse(vg, x, y, width * 3.0f, width);
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nvgFillColor(vg, nvgRGB(65, 71, 115));
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nvgFill(vg);
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}
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void DrawBackground(NVGcontext *vg, float w, float h) {
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/* Draw the background gradient. */
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const NVGpaint bg_paint = nvgLinearGradient(vg, w / 2.0f, 0, w / 2.0f, h + 20.0f, nvgRGB(20, 24, 50), nvgRGB(46, 57, 127));
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nvgBeginPath(vg);
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nvgRect(vg, 0, 0, w, h);
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nvgFillPaint(vg, bg_paint);
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nvgFill(vg);
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}
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void DrawWindow(NVGcontext *vg, const char *title, float x, float y, float w, float h) {
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/* Draw the window background. */
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const NVGpaint window_bg_paint = nvgLinearGradient(vg, x + w / 2.0f, y, x + w / 2.0f, y + h + h / 4.0f, nvgRGB(255, 255, 255), nvgRGB(188, 214, 234));
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nvgBeginPath(vg);
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nvgRoundedRect(vg, x, y, w, h, WindowCornerRadius);
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nvgFillPaint(vg, window_bg_paint);
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nvgFill(vg);
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/* Draw the shadow surrounding the window. */
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NVGpaint shadowPaint = nvgBoxGradient(vg, x, y + 2, w, h, WindowCornerRadius * 2, 10, nvgRGBA(0, 0, 0, 128), nvgRGBA(0, 0, 0, 0));
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nvgBeginPath(vg);
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nvgRect(vg, x - 10, y - 10, w + 20, h + 30);
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nvgRoundedRect(vg, x, y, w, h, WindowCornerRadius);
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nvgPathWinding(vg, NVG_HOLE);
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nvgFillPaint(vg, shadowPaint);
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nvgFill(vg);
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/* Setup the font. */
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nvgFontSize(vg, std::min(32.0f, -(strlen(title)*0.5f) + 47.0f));
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nvgFontFace(vg, SwitchStandardFont);
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nvgTextAlign(vg, NVG_ALIGN_LEFT | NVG_ALIGN_MIDDLE);
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nvgFillColor(vg, nvgRGB(0, 0, 0));
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/* Draw the title. */
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const float tw = nvgTextBounds(vg, 0, 0, title, nullptr, nullptr);
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nvgText(vg, x + w * 0.5f - tw * 0.5f, y + 40.0f, title, nullptr);
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}
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void DrawButton(NVGcontext *vg, const char *text, float x, float y, float w, float h, ButtonStyle style, u64 ns) {
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/* Fill the background if selected. */
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if (style == ButtonStyle::StandardSelected || style == ButtonStyle::FileSelectSelected) {
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NVGpaint bg_paint = nvgLinearGradient(vg, x, y + h / 2.0f, x + w, y + h / 2.0f, nvgRGB(83, 71, 185), GetSelectionRGB2(ns));
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nvgBeginPath(vg);
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nvgRoundedRect(vg, x, y, w, h, ButtonCornerRaidus);
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nvgFillPaint(vg, bg_paint);
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nvgFill(vg);
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}
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/* Draw the shadow surrounding the button. */
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if (style == ButtonStyle::Standard || style == ButtonStyle::StandardSelected || style == ButtonStyle::StandardDisabled || style == ButtonStyle::FileSelectSelected) {
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const unsigned char shadow_color = style == ButtonStyle::Standard ? 128 : 64;
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NVGpaint shadow_paint = nvgBoxGradient(vg, x, y, w, h, ButtonCornerRaidus, 5, nvgRGBA(0, 0, 0, shadow_color), nvgRGBA(0, 0, 0, 0));
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nvgBeginPath(vg);
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nvgRect(vg, x - 10, y - 10, w + 20, h + 30);
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nvgRoundedRect(vg, x, y, w, h, ButtonCornerRaidus);
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nvgPathWinding(vg, NVG_HOLE);
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nvgFillPaint(vg, shadow_paint);
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nvgFill(vg);
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}
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/* Setup the font. */
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nvgFontSize(vg, 20.0f);
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nvgFontFace(vg, SwitchStandardFont);
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nvgTextAlign(vg, NVG_ALIGN_LEFT | NVG_ALIGN_MIDDLE);
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/* Set the text colour. */
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if (style == ButtonStyle::StandardSelected || style == ButtonStyle::FileSelectSelected) {
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nvgFillColor(vg, nvgRGB(255, 255, 255));
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} else {
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const unsigned char alpha = style == ButtonStyle::StandardDisabled ? 64 : 255;
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nvgFillColor(vg, nvgRGBA(0, 0, 0, alpha));
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}
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/* Draw the button text. */
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const float tw = nvgTextBounds(vg, 0, 0, text, nullptr, nullptr);
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if (style == ButtonStyle::Standard || style == ButtonStyle::StandardSelected || style == ButtonStyle::StandardDisabled) {
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nvgText(vg, x + w * 0.5f - tw * 0.5f, y + h * 0.5f, text, nullptr);
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} else {
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nvgText(vg, x + 10.0f, y + h * 0.5f, text, nullptr);
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}
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}
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void DrawTextBackground(NVGcontext *vg, float x, float y, float w, float h) {
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nvgBeginPath(vg);
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nvgRoundedRect(vg, x, y, w, h, TextAreaCornerRadius);
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nvgFillColor(vg, nvgRGBA(0, 0, 0, 16));
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nvgFill(vg);
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}
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void DrawText(NVGcontext *vg, float x, float y, float w, const char *text) {
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nvgFontSize(vg, 20.0f);
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nvgFontFace(vg, SwitchStandardFont);
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nvgTextAlign(vg, NVG_ALIGN_LEFT | NVG_ALIGN_TOP);
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nvgFillColor(vg, nvgRGB(0, 0, 0));
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const float tw = nvgTextBounds(vg, 0, 0, text, nullptr, nullptr);
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nvgText(vg, x + w * 0.5f - tw * 0.5f, y, text, nullptr);
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}
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void DrawProgressText(NVGcontext *vg, float x, float y, float progress) {
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char progress_text[32] = {};
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snprintf(progress_text, sizeof(progress_text)-1, "%d%% complete", static_cast<int>(progress * 100.0f));
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nvgFontSize(vg, 24.0f);
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nvgFontFace(vg, SwitchStandardFont);
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nvgTextAlign(vg, NVG_ALIGN_LEFT | NVG_ALIGN_MIDDLE);
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nvgFillColor(vg, nvgRGB(0, 0, 0));
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nvgText(vg, x, y, progress_text, nullptr);
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}
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void DrawProgressBar(NVGcontext *vg, float x, float y, float w, float h, float progress) {
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/* Draw the progress bar background. */
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nvgBeginPath(vg);
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nvgRoundedRect(vg, x, y, w, h, WindowCornerRadius);
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nvgFillColor(vg, nvgRGBA(0, 0, 0, 128));
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nvgFill(vg);
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/* Draw the progress bar fill. */
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if (progress > 0.0f) {
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NVGpaint progress_fill_paint = nvgLinearGradient(vg, x, y + 0.5f * h, x + w, y + 0.5f * h, nvgRGB(83, 71, 185), nvgRGB(128, 126, 230));
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nvgBeginPath(vg);
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nvgRoundedRect(vg, x, y, WindowCornerRadius + (w - WindowCornerRadius) * progress, h, WindowCornerRadius);
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nvgFillPaint(vg, progress_fill_paint);
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nvgFill(vg);
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}
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}
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void DrawTextBlock(NVGcontext *vg, const char *text, float x, float y, float w, float h) {
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/* Save state and scissor. */
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nvgSave(vg);
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nvgScissor(vg, x, y, w, h);
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/* Configure the text. */
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nvgFontSize(vg, 18.0f);
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nvgFontFace(vg, SwitchStandardFont);
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nvgTextLineHeight(vg, 1.3f);
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nvgTextAlign(vg, NVG_ALIGN_LEFT | NVG_ALIGN_TOP);
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nvgFillColor(vg, nvgRGB(0, 0, 0));
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/* Determine the bounds of the text box. */
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float bounds[4];
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nvgTextBoxBounds(vg, 0, 0, w, text, nullptr, bounds);
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/* Adjust the y to only show the last part of the text that fits. */
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float y_adjustment = 0.0f;
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if (bounds[3] > h) {
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y_adjustment = bounds[3] - h;
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}
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/* Draw the text box and restore state. */
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nvgTextBox(vg, x, y - y_adjustment, w, text, nullptr);
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nvgRestore(vg);
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}
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}
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