Add Chromium-only Blender WebEngine parity work
This commit is contained in:
mes123456
589
blender-5.2.0/extern/opensubdiv-source/examples/common/hud.cpp
vendored
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589
blender-5.2.0/extern/opensubdiv-source/examples/common/hud.cpp
vendored
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//
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// Copyright 2013 Pixar
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//
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// Licensed under the terms set forth in the LICENSE.txt file available at
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// https://opensubdiv.org/license.
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//
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#include <algorithm>
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#include <vector>
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#include <cstring>
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#include <cstdio>
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#include <cassert>
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#include "hud.h"
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#include "font_image.h"
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#if _MSC_VER
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#define snprintf _snprintf
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#endif
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Hud::Hud() : _visible(true), _windowWidth(0), _windowHeight(0),
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_framebufferWidth(0), _framebufferHeight(0),
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_requiresRebuildStatic(true)
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{
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_capturedSlider = -1;
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}
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Hud::~Hud()
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{
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}
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void
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Hud::Init(int width, int height, int framebufferWidth, int framebufferHeight)
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{
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_windowWidth = width;
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_windowHeight = height;
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_framebufferWidth = framebufferWidth;
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_framebufferHeight = framebufferHeight;
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}
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int
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Hud::GetWidth() const
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{
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return _windowWidth;
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}
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int
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Hud::GetHeight() const
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{
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return _windowHeight;
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}
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void
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Hud::Clear()
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{
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_radioButtons.clear();
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_checkBoxes.clear();
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_sliders.clear();
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_vboSource.clear();
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_requiresRebuildStatic = true;
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}
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bool
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Hud::KeyDown(int key)
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{
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for (std::vector<RadioButton>::iterator it = _radioButtons.begin();
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it != _radioButtons.end(); ++it) {
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if (key == it->shortcut) {
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int nextLocalIndex = it->localIndex;
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if (it->sharedShortcut) {
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// find checked radio button in this group
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int maxLocalIndex = 0;
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for (std::vector<RadioButton>::iterator it2 = _radioButtons.begin();
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it2 != _radioButtons.end(); ++it2) {
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if (it2->group == it->group) {
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maxLocalIndex = std::max(maxLocalIndex, it2->localIndex);
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if (it2->checked) {
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nextLocalIndex = it2->localIndex+1;
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}
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}
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}
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if (nextLocalIndex > maxLocalIndex) nextLocalIndex = 0;
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}
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for (std::vector<RadioButton>::iterator it2 = _radioButtons.begin();
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it2 != _radioButtons.end(); ++it2) {
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if (it2->group == it->group) {
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if (it2->localIndex == nextLocalIndex) {
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it2->checked = true;
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it2->callback(it2->callbackData);
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} else {
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it2->checked = false;
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}
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}
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}
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_requiresRebuildStatic = true;
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return true;
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}
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}
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for (std::vector<CheckBox>::iterator it = _checkBoxes.begin();
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it != _checkBoxes.end(); ++it) {
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if (key == it->shortcut) {
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it->checked = !it->checked;
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it->callback(it->checked, it->callbackData);
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_requiresRebuildStatic = true;
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return true;
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}
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}
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for (std::vector<PullDown>::iterator it = _pulldowns.begin();
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it != _pulldowns.end(); ++it) {
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if (key==it->shortcut) {
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// cycle through selections
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++it->selected;
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if (it->selected>=(int)it->labels.size()) {
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it->selected=0;
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}
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it->callback(it->values[it->selected]);
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_requiresRebuildStatic = true;
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return true;
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}
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}
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return false;
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}
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bool
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Hud::MouseClick(int x, int y)
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{
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if (!IsVisible()) {
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return false;
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}
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for (std::vector<RadioButton>::iterator it = _radioButtons.begin();
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it != _radioButtons.end(); ++it) {
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if (hitTest(*it, x, y)) {
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for (std::vector<RadioButton>::iterator it2 = _radioButtons.begin();
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it2 != _radioButtons.end(); ++it2) {
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if (it2->group == it->group && it != it2) it2->checked = false;
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}
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it->checked = true;
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it->callback(it->callbackData);
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_requiresRebuildStatic = true;
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return true;
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}
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}
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for (std::vector<CheckBox>::iterator it = _checkBoxes.begin();
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it != _checkBoxes.end(); ++it) {
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if (hitTest(*it, x, y)) {
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it->checked = !it->checked;
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it->callback(it->checked, it->callbackData);
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_requiresRebuildStatic = true;
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return true;
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}
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}
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for (std::vector<Slider>::iterator it = _sliders.begin();
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it != _sliders.end(); ++it) {
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if (hitTest(*it, x, y)) {
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int bx = 0, by = 0;
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getWindowPos(*it, &bx, &by);
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it->SetValue(((x-bx-FONT_CHAR_WIDTH/2)/float(it->w))*(it->max - it->min) + it->min);
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it->callback(it->value, it->callbackData);
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_capturedSlider = (int)(it - _sliders.begin());
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_requiresRebuildStatic = true;
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return true;
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}
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}
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for (std::vector<PullDown>::iterator it = _pulldowns.begin();
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it != _pulldowns.end(); ++it) {
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if (hitTest(*it, x, y)) {
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if (! it->open) {
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it->h = FONT_CHAR_HEIGHT;
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it->h *= (int)it->labels.size();
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it->open=true;
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} else {
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int label_width = (3+(int)it->label.size()) * FONT_CHAR_WIDTH;
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int bx = 0, by = 0;
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getWindowPos(*it, &bx, &by);
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if (x > (bx+label_width)) {
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int sel = it->selected;
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it->SetSelected((y-by)/FONT_CHAR_HEIGHT);
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if (it->selected!=sel) {
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it->callback(it->values[it->selected]);
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}
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} else {
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it->open=! it->open;
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}
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}
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_requiresRebuildStatic = true;
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return true;
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}
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}
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return false;
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}
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void
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Hud::MouseMotion(int x, int /* y */)
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{
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if (_capturedSlider != -1) {
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std::vector<Slider>::iterator it = _sliders.begin() + _capturedSlider;
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int bx = it->x > 0 ? it->x : _windowWidth + it->x;
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it->SetValue(((x-bx-FONT_CHAR_WIDTH/2)/float(it->w))*(it->max - it->min) + it->min);
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it->callback(it->value, it->callbackData);
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_requiresRebuildStatic = true;
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}
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}
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bool
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Hud::MouseCapture() const
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{
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return _capturedSlider != -1;
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}
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void
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Hud::MouseRelease()
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{
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_capturedSlider = -1;
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}
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void
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Hud::AddLabel(const char *label, int x, int y)
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{
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Item l;
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l.label = label;
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l.x = x;
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l.y = y;
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_labels.push_back(l);
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_requiresRebuildStatic = true;
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}
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void
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Hud::AddCheckBox(const char *label, bool checked, int x, int y,
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CheckBoxCallback callback, int data, int shortcut)
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{
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CheckBox cb;
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cb.label = label;
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cb.checked = checked;
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cb.x = x;
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cb.y = y;
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cb.w = (int)(strlen(label)+1) * FONT_CHAR_WIDTH;
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cb.h = FONT_CHAR_HEIGHT;
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cb.callback = callback;
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cb.callbackData = data;
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cb.shortcut = shortcut;
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_checkBoxes.push_back(cb);
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_requiresRebuildStatic = true;
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}
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void
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Hud::AddRadioButton(int group, const char *label, bool checked, int x, int y,
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RadioButtonCallback callback, int data, int shortcut)
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{
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RadioButton rb;
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rb.group = group;
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rb.label = label;
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rb.checked = checked;
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rb.x = x;
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rb.y = y;
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rb.w = (int)(strlen(label)+1) * FONT_CHAR_WIDTH;
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rb.h = FONT_CHAR_HEIGHT;
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rb.callback = callback;
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rb.callbackData = data;
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rb.shortcut = shortcut;
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rb.sharedShortcut = false;
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rb.localIndex = 0;
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for (std::vector<RadioButton>::iterator it = _radioButtons.begin();
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it != _radioButtons.end(); ++it) {
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if (it->group == group) {
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rb.localIndex = it->localIndex+1;
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if (it->shortcut == shortcut) {
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it->sharedShortcut = true;
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rb.sharedShortcut = true;
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}
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}
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}
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_radioButtons.push_back(rb);
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_requiresRebuildStatic = true;
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}
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void
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Hud::AddSlider(const char *label, float min, float max, float value,
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int x, int y, int width, bool intStep, SliderCallback callback, int data)
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{
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Slider slider;
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slider.label = label;
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slider.x = x;
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slider.y = y;
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slider.w = width * FONT_CHAR_WIDTH;
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slider.h = FONT_CHAR_HEIGHT * 2;
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slider.min = min;
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slider.max = max;
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slider.value = value;
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slider.callback = callback;
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slider.callbackData = data;
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slider.intStep = intStep;
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_sliders.push_back(slider);
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_requiresRebuildStatic = true;
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}
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int
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Hud::AddPullDown(const char *label, int x, int y, int width,
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PullDownCallback callback, int shortcut)
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{
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PullDown pd;
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pd.label = label;
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pd.x = x;
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pd.y = y;
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pd.w = width;
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pd.h = FONT_CHAR_HEIGHT;
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pd.open = false;
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pd.selected = 0;
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pd.callback = callback;
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pd.shortcut = shortcut;
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_pulldowns.push_back(pd);
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_requiresRebuildStatic = true;
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return (int)_pulldowns.size()-1;
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}
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void
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Hud::AddPullDownButton(int handle, const char *label, int value, bool checked)
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{
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if (handle < (int)_pulldowns.size()) {
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PullDown & pulldown = _pulldowns[handle];
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pulldown.labels.push_back(label);
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pulldown.values.push_back(value);
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if (checked) {
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pulldown.selected = (int)pulldown.labels.size()-1;
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}
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}
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}
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int
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Hud::drawChar(std::vector<float> &vboSource,
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int x, int y, float r, float g, float b, char ch)
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{
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const float w = 1.0f/FONT_TEXTURE_COLUMNS;
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const float h = 1.0f/FONT_TEXTURE_ROWS;
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float u = (ch%FONT_TEXTURE_COLUMNS)/(float)FONT_TEXTURE_COLUMNS;
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float v = (ch/FONT_TEXTURE_COLUMNS)/(float)FONT_TEXTURE_ROWS;
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vboSource.push_back(float(x));
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vboSource.push_back(float(y));
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vboSource.push_back(r);
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vboSource.push_back(g);
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vboSource.push_back(b);
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vboSource.push_back(u);
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vboSource.push_back(v);
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vboSource.push_back(float(x));
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vboSource.push_back(float(y+FONT_CHAR_HEIGHT));
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vboSource.push_back(r);
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vboSource.push_back(g);
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vboSource.push_back(b);
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vboSource.push_back(u);
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vboSource.push_back(v+h);
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vboSource.push_back(float(x+FONT_CHAR_WIDTH));
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vboSource.push_back(float(y));
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vboSource.push_back(r);
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vboSource.push_back(g);
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vboSource.push_back(b);
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vboSource.push_back(u+w);
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vboSource.push_back(v);
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vboSource.push_back(float(x+FONT_CHAR_WIDTH));
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vboSource.push_back(float(y));
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vboSource.push_back(r);
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vboSource.push_back(g);
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vboSource.push_back(b);
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vboSource.push_back(u+w);
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vboSource.push_back(v);
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vboSource.push_back(float(x));
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vboSource.push_back(float(y+FONT_CHAR_HEIGHT));
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vboSource.push_back(r);
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vboSource.push_back(g);
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vboSource.push_back(b);
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vboSource.push_back(u);
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vboSource.push_back(v+h);
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vboSource.push_back(float(x+FONT_CHAR_WIDTH));
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vboSource.push_back(float(y+FONT_CHAR_HEIGHT));
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vboSource.push_back(r);
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vboSource.push_back(g);
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vboSource.push_back(b);
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vboSource.push_back(u+w);
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vboSource.push_back(v+h);
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return x + FONT_CHAR_WIDTH;
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}
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int
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Hud::drawString(std::vector<float> &vboSource,
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int x, int y, float r, float g, float b, const char *c)
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{
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while (*c) {
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char ch = (char)((*c) & 0x7f);
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x = drawChar(vboSource, x, y, r, g, b, ch);
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c++;
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}
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return x;
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}
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void
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Hud::DrawString(int x, int y, const char *fmt, ...)
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{
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char buf[1024];
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va_list args;
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va_start(args, fmt);
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vsnprintf(buf, sizeof(buf), fmt, args);
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va_end(args);
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x = x > 0 ? x : _windowWidth + x;
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y = y > 0 ? y : _windowHeight + y;
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drawString(_vboSource, x, y, 1, 1, 1, buf);
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}
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void
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Hud::DrawString(int x, int y, float r, float g, float b, const char *fmt, ...)
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{
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char buf[1024];
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va_list args;
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va_start(args, fmt);
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vsnprintf(buf, sizeof(buf), fmt, args);
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va_end(args);
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x = x > 0 ? x : _windowWidth + x;
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y = y > 0 ? y : _windowHeight + y;
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drawString(_vboSource, x, y, r, g, b, buf);
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}
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void
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Hud::Rebuild(int width, int height, int framebufferWidth, int framebufferHeight)
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{
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_requiresRebuildStatic = false;
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_windowWidth = width;
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_windowHeight = height;
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_framebufferWidth = framebufferWidth;
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_framebufferHeight = framebufferHeight;
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_staticVboSource.clear();
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int x, y;
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// add UI elements
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for (std::vector<Item>::const_iterator it = _labels.begin();
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it != _labels.end(); ++it) {
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getWindowPos(*it, &x, &y);
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drawString(_staticVboSource, x, y, 1, 1, 1, it->label.c_str());
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}
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// draw radio buttons
|
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for (std::vector<RadioButton>::const_iterator it = _radioButtons.begin();
|
||||
it != _radioButtons.end(); ++it) {
|
||||
getWindowPos(*it, &x, &y);
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if (it->checked) {
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||||
x = drawChar(_staticVboSource, x, y, 1, 1, 1, FONT_RADIO_BUTTON_ON);
|
||||
drawString(_staticVboSource, x, y, 1, 1, 0, it->label.c_str());
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} else {
|
||||
x = drawChar(_staticVboSource, x, y, 1, 1, 1, FONT_RADIO_BUTTON_OFF);
|
||||
drawString(_staticVboSource, x, y, .5f, .5f, .5f, it->label.c_str());
|
||||
}
|
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}
|
||||
// draw checkboxes
|
||||
for (std::vector<CheckBox>::const_iterator it = _checkBoxes.begin();
|
||||
it != _checkBoxes.end(); ++it) {
|
||||
getWindowPos(*it, &x, &y);
|
||||
if (it->checked) {
|
||||
x = drawChar(_staticVboSource, x, y, 1, 1, 1, FONT_CHECK_BOX_ON);
|
||||
drawString(_staticVboSource, x, y, 1, 1, 0, it->label.c_str());
|
||||
} else {
|
||||
x = drawChar(_staticVboSource, x, y, 1, 1, 1, FONT_CHECK_BOX_OFF);
|
||||
drawString(_staticVboSource, x, y, .5f, .5f, .5f, it->label.c_str());
|
||||
}
|
||||
}
|
||||
// draw sliders
|
||||
for (std::vector<Slider>::const_iterator it = _sliders.begin();
|
||||
it != _sliders.end(); ++it) {
|
||||
getWindowPos(*it, &x, &y);
|
||||
int sx = x;
|
||||
x = drawString(_staticVboSource, x, y, 1, 1, 1, it->label.c_str());
|
||||
char value[16];
|
||||
if (it->intStep) {
|
||||
snprintf(value, 16, " : %d", (int)it->value);
|
||||
} else {
|
||||
snprintf(value, 16, " : %.2f", it->value);
|
||||
}
|
||||
drawString(_staticVboSource, x, y, 1, 1, 1, value);
|
||||
|
||||
// new line
|
||||
y += FONT_CHAR_HEIGHT;
|
||||
x = sx;
|
||||
|
||||
x = drawChar(_staticVboSource, x, y, 1, 1, 1, FONT_SLIDER_LEFT);
|
||||
int nw = it->w / FONT_CHAR_WIDTH;
|
||||
for (int i = 1; i < nw; ++i) {
|
||||
x = drawChar(_staticVboSource, x, y, 1, 1, 1, FONT_SLIDER_MIDDLE);
|
||||
}
|
||||
drawChar(_staticVboSource, x, y, 1, 1, 1, FONT_SLIDER_RIGHT);
|
||||
int pos = int(((it->value-it->min)/(it->max-it->min))*float(it->w));
|
||||
drawChar(_staticVboSource, sx+pos, y, 1, 1, 0, FONT_SLIDER_CURSOR);
|
||||
}
|
||||
// draw pulldowns
|
||||
for (std::vector<PullDown>::const_iterator it = _pulldowns.begin();
|
||||
it != _pulldowns.end(); ++it) {
|
||||
getWindowPos(*it, &x, &y);
|
||||
|
||||
x = drawString(_staticVboSource, x, y, .5f, .5f, .5f, it->label.c_str());
|
||||
x += FONT_CHAR_WIDTH;
|
||||
|
||||
if (it->open) {
|
||||
x = drawChar(_staticVboSource, x, y, 1, 1, 0, FONT_ARROW_DOWN);
|
||||
x += FONT_CHAR_WIDTH;
|
||||
for (int i=0; i<(int)it->labels.size(); ++i, y+=FONT_CHAR_HEIGHT) {
|
||||
if (i==it->selected) {
|
||||
drawString(_staticVboSource, x, y, 1, 1, 0, it->labels[i]);
|
||||
} else {
|
||||
drawString(_staticVboSource, x, y, 0.5f, 0.5f, 0.5f, it->labels[i]);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
x = drawChar(_staticVboSource, x, y, .5f, .5f, .5f, FONT_ARROW_RIGHT);
|
||||
x += FONT_CHAR_WIDTH;
|
||||
drawString(_staticVboSource, x, y, 1, 1, 0, it->labels[it->selected]);
|
||||
}
|
||||
}
|
||||
|
||||
// draw the character cells corresponding to the logo
|
||||
drawString(_staticVboSource, _windowWidth-128, _windowHeight-44, .5, .5, .5,
|
||||
"\x06\x07\x08\x09");
|
||||
drawString(_staticVboSource, _windowWidth-128, _windowHeight-28, .5, .5, .5,
|
||||
"\x16\x17\x18\x19");
|
||||
drawString(_staticVboSource, _windowWidth-92, _windowHeight-36, .5, .5, .5,
|
||||
"\x0a\x0b\x0c\x0d");
|
||||
drawString(_staticVboSource, _windowWidth-58, _windowHeight-36, .5, .5, .5,
|
||||
"\x1a\x1b\x1c\x1d\x1e\x1f");
|
||||
}
|
||||
|
||||
bool
|
||||
Hud::Flush()
|
||||
{
|
||||
if (!_visible) {
|
||||
_vboSource.clear();
|
||||
return false;
|
||||
}
|
||||
|
||||
if (_requiresRebuildStatic)
|
||||
this->Rebuild(_windowWidth, _windowHeight, _framebufferWidth, _framebufferHeight);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool
|
||||
Hud::IsVisible() const
|
||||
{
|
||||
return _visible;
|
||||
}
|
||||
|
||||
void
|
||||
Hud::SetVisible(bool visible)
|
||||
{
|
||||
_visible = visible;
|
||||
}
|
||||
|
||||
std::vector<float> &
|
||||
Hud::getVboSource()
|
||||
{
|
||||
return _vboSource;
|
||||
}
|
||||
|
||||
std::vector<float> &
|
||||
Hud::getStaticVboSource()
|
||||
{
|
||||
return _staticVboSource;
|
||||
}
|
||||
Reference in New Issue
Block a user