mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-11-25 21:10:08 +00:00
368 lines
11 KiB
C++
368 lines
11 KiB
C++
//
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// Copyright (C) Pixar. All rights reserved.
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//
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// This license governs use of the accompanying software. If you
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// use the software, you accept this license. If you do not accept
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// the license, do not use the software.
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//
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// 1. Definitions
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// The terms "reproduce," "reproduction," "derivative works," and
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// "distribution" have the same meaning here as under U.S.
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// copyright law. A "contribution" is the original software, or
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// any additions or changes to the software.
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// A "contributor" is any person or entity that distributes its
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// contribution under this license.
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// "Licensed patents" are a contributor's patent claims that read
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// directly on its contribution.
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//
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// 2. Grant of Rights
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// (A) Copyright Grant- Subject to the terms of this license,
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// including the license conditions and limitations in section 3,
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// each contributor grants you a non-exclusive, worldwide,
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// royalty-free copyright license to reproduce its contribution,
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// prepare derivative works of its contribution, and distribute
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// its contribution or any derivative works that you create.
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// (B) Patent Grant- Subject to the terms of this license,
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// including the license conditions and limitations in section 3,
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// each contributor grants you a non-exclusive, worldwide,
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// royalty-free license under its licensed patents to make, have
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// made, use, sell, offer for sale, import, and/or otherwise
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// dispose of its contribution in the software or derivative works
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// of the contribution in the software.
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//
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// 3. Conditions and Limitations
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// (A) No Trademark License- This license does not grant you
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// rights to use any contributor's name, logo, or trademarks.
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// (B) If you bring a patent claim against any contributor over
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// patents that you claim are infringed by the software, your
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// patent license from such contributor to the software ends
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// automatically.
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// (C) If you distribute any portion of the software, you must
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// retain all copyright, patent, trademark, and attribution
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// notices that are present in the software.
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// (D) If you distribute any portion of the software in source
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// code form, you may do so only under this license by including a
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// complete copy of this license with your distribution. If you
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// distribute any portion of the software in compiled or object
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// code form, you may only do so under a license that complies
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// with this license.
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// (E) The software is licensed "as-is." You bear the risk of
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// using it. The contributors give no express warranties,
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// guarantees or conditions. You may have additional consumer
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// rights under your local laws which this license cannot change.
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// To the extent permitted under your local laws, the contributors
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// exclude the implied warranties of merchantability, fitness for
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// a particular purpose and non-infringement.
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//
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#include <string.h>
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#include <stdio.h>
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#include "hud.h"
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#include "font_image.h"
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Hud::Hud() : _visible(true), _windowWidth(0), _windowHeight(0), _requiresRebuildStatic(true)
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{
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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)
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{
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_windowWidth = width;
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_windowHeight = height;
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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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_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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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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for (std::vector<RadioButton>::iterator it = _radioButtons.begin();
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it != _radioButtons.end(); ++it) {
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int bx = it->x > 0 ? it->x : _windowWidth + it->x;
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int by = it->y > 0 ? it->y : _windowHeight + it->y;
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if (x >= bx && y >= by &&
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x <= (bx + it->w) && y <= (by + it->h)) {
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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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int bx = it->x > 0 ? it->x : _windowWidth + it->x;
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int by = it->y > 0 ? it->y : _windowHeight + it->y;
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if (x >= bx && y >= by &&
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x <= (bx + it->w) && y <= (by + it->h)) {
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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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return false;
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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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int
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Hud::drawChar(std::vector<float> &vboSource, int x, int y, float r, float g, float b, char ch) const
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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)); vboSource.push_back(float(y));
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vboSource.push_back(r); vboSource.push_back(g); vboSource.push_back(b);
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vboSource.push_back(u); vboSource.push_back(v);
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vboSource.push_back(float(x)); vboSource.push_back(float(y+FONT_CHAR_HEIGHT));
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vboSource.push_back(r); vboSource.push_back(g); vboSource.push_back(b);
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vboSource.push_back(u); vboSource.push_back(v+h);
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vboSource.push_back(float(x+FONT_CHAR_WIDTH)); vboSource.push_back(float(y));
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vboSource.push_back(r); vboSource.push_back(g); vboSource.push_back(b);
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vboSource.push_back(u+w); vboSource.push_back(v);
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vboSource.push_back(float(x+FONT_CHAR_WIDTH)); vboSource.push_back(float(y));
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vboSource.push_back(r); vboSource.push_back(g); vboSource.push_back(b);
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vboSource.push_back(u+w); vboSource.push_back(v);
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vboSource.push_back(float(x)); vboSource.push_back(float(y+FONT_CHAR_HEIGHT));
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vboSource.push_back(r); vboSource.push_back(g); vboSource.push_back(b);
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vboSource.push_back(u); vboSource.push_back(v+h);
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vboSource.push_back(float(x+FONT_CHAR_WIDTH)); vboSource.push_back(float(y+FONT_CHAR_HEIGHT));
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vboSource.push_back(r); vboSource.push_back(g); vboSource.push_back(b);
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vboSource.push_back(u+w); 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, int x, int y, float r, float g, float b, const char *c) const
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{
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while(*c) {
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char ch = (*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)
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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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}
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bool
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Hud::Flush()
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{
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if (!_visible) {
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_vboSource.clear();
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return false;
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}
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if (_requiresRebuildStatic)
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Rebuild(_windowWidth, _windowHeight);
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return true;
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}
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bool
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Hud::IsVisible() const
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{
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return _visible;
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}
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void
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Hud::SetVisible(bool visible)
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{
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_visible = visible;
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}
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const std::vector<Hud::RadioButton> &
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Hud::getRadioButtons() const
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{
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return _radioButtons;
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}
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const std::vector<Hud::CheckBox> &
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Hud::getCheckBoxes() const
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{
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return _checkBoxes;
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}
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std::vector<float> &
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Hud::getVboSource()
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{
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return _vboSource;
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}
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