387 lines
10 KiB
C++
387 lines
10 KiB
C++
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#include "toonzqt/planeviewer.h"
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// TnzQt includes
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#include "toonzqt/imageutils.h"
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// TnzLib includes
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#include "toonz/stage.h"
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// TnzCore includes
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#include "trasterimage.h"
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#include "ttoonzimage.h"
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#include "tvectorimage.h"
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#include "trop.h"
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#include "tvectorrenderdata.h"
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#include "tgl.h"
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#include "tvectorgl.h"
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#include "tpalette.h"
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// Qt includes
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#include <QMouseEvent>
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#include <QWheelEvent>
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#include <QResizeEvent>
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#include <QHideEvent>
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//#define PRINT_AFF
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//**********************************************************************************
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// Local namespace stuff
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//**********************************************************************************
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namespace {
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struct PlaneViewerZoomer : public ImageUtils::ShortcutZoomer {
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PlaneViewerZoomer(PlaneViewer *planeViewer) : ShortcutZoomer(planeViewer) {}
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private:
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bool zoom(bool zoomin, bool resetZoom) override;
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};
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//========================================================================
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bool PlaneViewerZoomer::zoom(bool zoomin, bool resetZoom) {
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PlaneViewer &planeViewer = static_cast<PlaneViewer &>(*getWidget());
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resetZoom ? planeViewer.resetView()
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: zoomin ? planeViewer.zoomIn() : planeViewer.zoomOut();
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return true;
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}
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} // namespace
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//=========================================================================================
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PlaneViewer::PlaneViewer(QWidget *parent)
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: QGLWidget(parent)
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, m_firstResize(true)
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, m_xpos(0)
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, m_ypos(0)
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, m_aff() // initialized at the first resize
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, m_chessSize(40.0) {
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m_zoomRange[0] = 1e-3, m_zoomRange[1] = 1024.0;
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setBgColor(TPixel32(235, 235, 235), TPixel32(235, 235, 235));
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}
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//=========================================================================================
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void PlaneViewer::setZoomRange(double zoomMin, double zoomMax) {
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m_zoomRange[0] = zoomMin, m_zoomRange[1] = zoomMax;
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}
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//------------------------------------------------------------------------
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void PlaneViewer::setBgColor(const TPixel32 &color1, const TPixel32 &color2) {
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m_bgColorF[0] = color1.r / 255.0, m_bgColorF[1] = color1.g / 255.0,
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m_bgColorF[2] = color1.b / 255.0;
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m_bgColorF[3] = color2.r / 255.0, m_bgColorF[4] = color2.g / 255.0,
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m_bgColorF[5] = color2.b / 255.0;
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}
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//------------------------------------------------------------------------
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void PlaneViewer::getBgColor(TPixel32 &color1, TPixel32 &color2) const {
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color1.r = m_bgColorF[0] * 255.0, color1.g = m_bgColorF[1] * 255.0,
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color1.b = m_bgColorF[2] * 255.0;
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color2.r = m_bgColorF[3] * 255.0, color2.g = m_bgColorF[4] * 255.0,
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color2.b = m_bgColorF[5] * 255.0;
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}
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//------------------------------------------------------------------------
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void PlaneViewer::drawBackground() {
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glClearColor(m_bgColorF[0], m_bgColorF[1], m_bgColorF[2], 1.0);
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glClear(GL_COLOR_BUFFER_BIT);
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if (m_bgColorF[0] != m_bgColorF[3] || m_bgColorF[1] != m_bgColorF[4] ||
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m_bgColorF[2] != m_bgColorF[5]) {
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// Cast the widget rect to world rect
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TRectD rect(winToWorld(0, 0), winToWorld(width(), height()));
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// Deduce chess geometry
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TRect chessRect(tfloor(rect.x0 / m_chessSize),
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tfloor(rect.y0 / m_chessSize), tceil(rect.x1 / m_chessSize),
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tceil(rect.y1 / m_chessSize));
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// Draw chess squares
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glColor3f(m_bgColorF[3], m_bgColorF[4], m_bgColorF[5]);
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glBegin(GL_QUADS);
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int x, y;
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TPointD pos;
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double chessSize2 = 2.0 * m_chessSize;
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for (y = chessRect.y0; y < chessRect.y1; ++y) {
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pos.y = y * m_chessSize;
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for (x = chessRect.x0 + ((chessRect.x0 + y) % 2), pos.x = x * m_chessSize;
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x < chessRect.x1; x += 2, pos.x += chessSize2) {
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glVertex2d(pos.x, pos.y);
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glVertex2d(pos.x + m_chessSize, pos.y);
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glVertex2d(pos.x + m_chessSize, pos.y + m_chessSize);
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glVertex2d(pos.x, pos.y + m_chessSize);
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}
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}
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glEnd();
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}
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}
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//=========================================================================================
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void PlaneViewer::initializeGL() {}
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void PlaneViewer::resizeGL(int width, int height) {
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glViewport(0, 0, width, height);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluOrtho2D(0, width, 0, height);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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if (m_firstResize) {
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m_firstResize = false;
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m_aff = TTranslation(0.5 * width, 0.5 * height);
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m_width = width;
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m_height = height;
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} else {
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TPointD oldCenter(m_width * 0.5, m_height * 0.5);
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TPointD newCenter(width * 0.5, height * 0.5);
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m_aff = m_aff.place(m_aff.inv() * oldCenter, newCenter);
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m_width = width;
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m_height = height;
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}
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}
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//=========================================================================================
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void PlaneViewer::mouseMoveEvent(QMouseEvent *event) {
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if (event->buttons() & Qt::MidButton)
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moveView(event->x() - m_xpos, height() - event->y() - m_ypos);
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m_xpos = event->x(), m_ypos = height() - event->y();
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}
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//------------------------------------------------------
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void PlaneViewer::mousePressEvent(QMouseEvent *event) {
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m_xpos = event->x(), m_ypos = height() - event->y();
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}
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//------------------------------------------------------
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void PlaneViewer::wheelEvent(QWheelEvent *event) {
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TPointD pos(event->x(), height() - event->y());
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double zoom_par = 1 + event->delta() * 0.001;
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zoomView(pos.x, pos.y, zoom_par);
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}
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//------------------------------------------------------
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void PlaneViewer::keyPressEvent(QKeyEvent *event) {
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if (PlaneViewerZoomer(this).exec(event)) return;
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QGLWidget::keyPressEvent(event);
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}
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//------------------------------------------------------
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//! Disposes of the auxiliary internal rasterBuffer().
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void PlaneViewer::hideEvent(QHideEvent *event) {
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m_rasterBuffer = TRaster32P();
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}
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//=========================================================================================
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void PlaneViewer::resetView() {
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m_aff = TTranslation(0.5 * width(), 0.5 * height());
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update();
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}
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//------------------------------------------------------
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void PlaneViewer::setViewPos(double x, double y) {
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m_aff.a13 = x, m_aff.a23 = y;
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update();
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#ifdef PRINT_AFF
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qDebug("zoom = %.4f; pos = %.4f, %.4f", m_aff.a11, m_aff.a13, m_aff.a23);
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#endif
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}
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//------------------------------------------------------
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void PlaneViewer::setViewZoom(double x, double y, double zoom) {
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zoom = tcrop(zoom, m_zoomRange[0], m_zoomRange[1]);
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double delta = zoom / m_aff.a11;
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m_aff.a13 = x + delta * (m_aff.a13 - x);
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m_aff.a23 = y + delta * (m_aff.a23 - y);
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m_aff.a11 = m_aff.a22 = zoom;
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update();
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#ifdef PRINT_AFF
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qDebug("zoom = %.4f; pos = %.4f, %.4f", m_aff.a11, m_aff.a13, m_aff.a23);
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#endif
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}
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//------------------------------------------------------
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void PlaneViewer::zoomIn() {
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setViewZoom(ImageUtils::getQuantizedZoomFactor(m_aff.a11, true));
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}
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//------------------------------------------------------
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void PlaneViewer::zoomOut() {
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setViewZoom(ImageUtils::getQuantizedZoomFactor(m_aff.a11, false));
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}
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//=========================================================================================
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void PlaneViewer::pushGLWorldCoordinates() {
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m_matrix[0] = m_aff.a11;
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m_matrix[4] = m_aff.a12;
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m_matrix[12] = m_aff.a13;
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m_matrix[1] = m_aff.a21;
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m_matrix[5] = m_aff.a22;
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m_matrix[13] = m_aff.a23;
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m_matrix[2] = m_matrix[3] = m_matrix[6] = m_matrix[7] = m_matrix[8] =
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m_matrix[9] = m_matrix[10] = m_matrix[11] = m_matrix[14] = 0;
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m_matrix[15] = 1.0;
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glPushMatrix();
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glLoadMatrixd(m_matrix); //(GLdouble*) &m_matrix
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}
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//------------------------------------------------------
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void PlaneViewer::pushGLWinCoordinates() {
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glPushMatrix();
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glLoadIdentity();
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}
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//------------------------------------------------------
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void PlaneViewer::popGLCoordinates() { glPopMatrix(); }
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//=========================================================================================
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TRaster32P PlaneViewer::rasterBuffer() {
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if (!m_rasterBuffer || m_rasterBuffer->getLx() != width() ||
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m_rasterBuffer->getLy() != height())
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m_rasterBuffer = TRaster32P(width(), height());
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return m_rasterBuffer;
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}
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//------------------------------------------------------
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void PlaneViewer::flushRasterBuffer() {
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assert(m_rasterBuffer);
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glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
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glRasterPos2d(0, 0);
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glDrawPixels(width(), height(), TGL_FMT, TGL_TYPE,
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m_rasterBuffer->getRawData());
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}
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//=========================================================================================
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void PlaneViewer::draw(TRasterP ras, double dpiX, double dpiY, TPalette *pal) {
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TPointD rasCenter(ras->getCenterD());
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TRaster32P aux(rasterBuffer());
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aux->lock();
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ras->lock();
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glGetDoublev(GL_MODELVIEW_MATRIX, m_matrix);
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TAffine viewAff(m_matrix[0], m_matrix[4], m_matrix[12], m_matrix[1],
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m_matrix[5], m_matrix[13]);
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viewAff = viewAff * TScale(Stage::inch / dpiX, Stage::inch / dpiY) *
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TTranslation(-rasCenter);
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pushGLWinCoordinates();
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aux->clear();
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if (pal)
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TRop::quickPut(aux, (TRasterCM32P)ras, pal, viewAff);
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else
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TRop::quickPut(aux, ras, viewAff);
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flushRasterBuffer();
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popGLCoordinates();
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}
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/*NOTE:
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glRasterPos2d could be used, along glBitmap and glPixelZoom...
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however, i've never been able to use them effectively...
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*/
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//------------------------------------------------------
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void PlaneViewer::draw(TRasterImageP ri) {
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double dpiX, dpiY;
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ri->getDpi(dpiX, dpiY);
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if (dpiX == 0.0 || dpiY == 0.0) dpiX = dpiY = Stage::inch;
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draw(ri->getRaster(), dpiX, dpiY);
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}
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//------------------------------------------------------
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void PlaneViewer::draw(TToonzImageP ti) {
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double dpiX, dpiY;
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ti->getDpi(dpiX, dpiY);
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if (dpiX == 0.0 || dpiY == 0.0) dpiX = dpiY = Stage::inch;
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draw(ti->getRaster(), dpiX, dpiY, ti->getPalette());
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}
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//------------------------------------------------------
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void PlaneViewer::draw(TVectorImageP vi) {
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TRectD bbox(vi->getBBox());
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TRect bboxI(tfloor(bbox.x0), tfloor(bbox.y0), tceil(bbox.x1) - 1,
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tceil(bbox.y1) - 1);
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TVectorRenderData rd(TAffine(), bboxI, vi->getPalette(), 0, true, true);
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tglDraw(rd, vi.getPointer());
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}
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//------------------------------------------------------
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void PlaneViewer::draw(TImageP img) {
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{
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TRasterImageP ri(img);
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if (ri) {
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draw(ri);
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return;
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}
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}
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{
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TToonzImageP ti(img);
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if (ti) {
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draw(ti);
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return;
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}
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}
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{
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TVectorImageP vi(img);
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if (vi) {
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draw(vi);
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return;
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}
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}
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}
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