void tglDrawSegment(const TPointD &p1, const TPointD &p2)
{
glBegin(GL_LINES);
tglVertex(p1);
tglVertex(p2);
glEnd();
}
void tglFillRect(const TRectD &rect)
{
glBegin(GL_POLYGON);
tglVertex(rect.getP00());
tglVertex(rect.getP10());
tglVertex(rect.getP11());
tglVertex(rect.getP01());
glEnd();
}
void tglDrawRect(const TRectD &rect)
{
glBegin(GL_LINE_LOOP);
tglVertex(rect.getP00());
tglVertex(rect.getP10());
tglVertex(rect.getP11());
tglVertex(rect.getP01());
glEnd();
}
void ToonzExt::OverallDesigner::draw(ToonzExt::StraightCornerDeformation *sd)
{
#ifdef _DEBUG
glPushMatrix();
{
this->setPosition();
glColor3d(0.0, 1.0, 1.0);
glBegin(GL_LINE_STRIP);
tglVertex(TPointD(0.0, 0.0));
tglVertex(TPointD(8.0, 12.0));
tglVertex(TPointD(16.0, 0.0));
glEnd();
}
glPopMatrix();
#endif
}
void ShiftTraceTool::drawCurve() {
if (m_curveStatus == NoCurve) return;
double r = 4 * sqrt(tglGetPixelSize2());
double u = getPixelSize();
if (m_curveStatus == TwoPointsCurve) {
TPixel32 color =
m_highlightedGadget == 1000 ? TPixel32(200, 100, 100) : TPixel32::White;
drawDot(m_p0, r, color);
glColor3d(0.2, 0.2, 0.2);
tglDrawSegment(m_p0, m_p1);
drawDot(m_p1, r, TPixel32::Red);
} else if (m_curveStatus == ThreePointsCurve) {
TPixel32 color =
m_highlightedGadget == 1000 ? TPixel32(200, 100, 100) : TPixel32::White;
drawDot(m_p0, r, color);
color =
m_highlightedGadget == 1001 ? TPixel32(200, 100, 100) : TPixel32::White;
drawDot(m_p1, r, color);
glColor3d(0.2, 0.2, 0.2);
TPointD center;
if (circumCenter(center, m_p0, m_p1, m_p2)) {
double radius = norm(center - m_p1);
glBegin(GL_LINE_STRIP);
int n = 100;
for (int i = 0; i < n; i++) {
double t = (double)i / n;
TPointD p = (1 - t) * m_p0 + t * m_p2;
p = center + radius * normalize(p - center);
tglVertex(p);
}
for (int i = 0; i < n; i++) {
double t = (double)i / n;
TPointD p = (1 - t) * m_p2 + t * m_p1;
p = center + radius * normalize(p - center);
tglVertex(p);
}
glEnd();
} else {
tglDrawSegment(m_p0, m_p1);
}
color =
m_highlightedGadget == 1002 ? TPixel32(200, 100, 100) : TPixel32::White;
drawDot(m_p2, r, color);
}
}
void subCompute(TRasterFxPort &m_input, TTile &tile, double frame,
const TRenderSettings &ri, TPointD p00, TPointD p01,
TPointD p11, TPointD p10, int details, bool wireframe,
TDimension m_offScreenSize, bool isCast) {
TPixel32 bgColor;
TRectD outBBox, inBBox;
outBBox = inBBox = TRectD(tile.m_pos, TDimensionD(tile.getRaster()->getLx(),
tile.getRaster()->getLy()));
m_input->getBBox(frame, inBBox, ri);
if (inBBox == TConsts::infiniteRectD) // e' uno zerario
inBBox = outBBox;
int inBBoxLx = (int)inBBox.getLx() / ri.m_shrinkX;
int inBBoxLy = (int)inBBox.getLy() / ri.m_shrinkY;
if (inBBox.isEmpty()) return;
if (p00 == p01 && p00 == p10 && p00 == p11 &&
!isCast) // significa che non c'e' deformazione
{
m_input->compute(tile, frame, ri);
return;
}
TRaster32P rasIn;
TPointD rasInPos;
if (!wireframe) {
if (ri.m_bpp == 64 || ri.m_bpp == 48) {
TRaster64P aux = TRaster64P(inBBoxLx, inBBoxLy);
rasInPos = TPointD(inBBox.x0 / ri.m_shrinkX, inBBox.y0 / ri.m_shrinkY);
TTile tmp(aux, rasInPos);
m_input->compute(tmp, frame, ri);
rasIn = TRaster32P(inBBoxLx, inBBoxLy);
TRop::convert(rasIn, aux);
} else {
rasInPos = TPointD(inBBox.x0 / ri.m_shrinkX, inBBox.y0 / ri.m_shrinkY);
TTile tmp(TRaster32P(inBBoxLx, inBBoxLy), rasInPos);
m_input->allocateAndCompute(tmp, rasInPos, TDimension(inBBoxLx, inBBoxLy),
TRaster32P(), frame, ri);
rasIn = tmp.getRaster();
}
}
unsigned int texWidth = 2;
unsigned int texHeight = 2;
while (texWidth < (unsigned int)inBBoxLx) texWidth = texWidth << 1;
while (texHeight < (unsigned int)inBBoxLy) texHeight = texHeight << 1;
while (texWidth > 1024 || texHeight > 1024) // avevo usato la costante
// GL_MAX_TEXTURE_SIZE invece di
// 1024, ma non funzionava!
{
inBBoxLx = inBBoxLx >> 1;
inBBoxLy = inBBoxLy >> 1;
texWidth = texWidth >> 1;
texHeight = texHeight >> 1;
}
if (rasIn->getLx() != inBBoxLx || rasIn->getLy() != inBBoxLy) {
TRaster32P rasOut = TRaster32P(inBBoxLx, inBBoxLy);
TRop::resample(rasOut, rasIn,
TScale((double)rasOut->getLx() / rasIn->getLx(),
(double)rasOut->getLy() / rasIn->getLy()));
rasIn = rasOut;
}
int rasterWidth = tile.getRaster()->getLx() + 2;
int rasterHeight = tile.getRaster()->getLy() + 2;
assert(rasterWidth > 0);
assert(rasterHeight > 0);
TRectD clippingRect =
TRectD(tile.m_pos,
TDimensionD(tile.getRaster()->getLx(), tile.getRaster()->getLy()));
#if CREATE_GL_CONTEXT_ONE_TIME
int ret = wglMakeCurrent(m_offScreenGL.m_offDC, m_offScreenGL.m_hglRC);
assert(ret == TRUE);
#else
TOfflineGL offScreenRendering(TDimension(rasterWidth, rasterHeight));
//#ifdef _WIN32
offScreenRendering.makeCurrent();
//#else
//#if defined(LINUX) || defined(MACOSX)
// offScreenRendering.m_offlineGL->makeCurrent();
//#endif
#endif
checkErrorsByGL
// disabilito quello che non mi serve per le texture
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
glDisable(GL_DITHER);
glDisable(GL_DEPTH_TEST);
glCullFace(GL_FRONT);
glDisable(GL_STENCIL_TEST);
glDisable(GL_LOGIC_OP);
// creo la texture in base all'immagine originale
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
checkErrorsByGL
#if !CREATE_GL_CONTEXT_ONE_TIME
TRaster32P rasaux;
if (!wireframe) {
TRaster32P texture(texWidth, texHeight);
texture->clear();
rasaux = texture;
rasaux->lock();
texture->copy(rasIn);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
glTexImage2D(GL_TEXTURE_2D, 0, 4, texWidth, texHeight, 0, GL_RGBA,
GL_UNSIGNED_BYTE, texture->getRawData());
}
#else
unsigned int texWidth = 1024;
unsigned int texHeight = 1024;
rasaux = rasIn;
rasaux->lock();
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, rasIn->getLx(), rasIn->getLy(),
GL_RGBA, GL_UNSIGNED_BYTE, rasIn->getRawData());
#endif
checkErrorsByGL
glEnable(GL_TEXTURE_2D);
// cfr. help: OpenGL/Programming tip/OpenGL Correctness Tips
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-rasterWidth * 0.5, rasterWidth * 0.5, -rasterHeight * 0.5,
rasterHeight * 0.5, -1, 1);
glViewport(0, 0, rasterWidth, rasterHeight);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT);
// do OpenGL draw
double lwTex = (double)(inBBoxLx - 1) / (double)(texWidth - 1);
double lhTex = (double)(inBBoxLy - 1) / (double)(texHeight - 1);
TPointD tex00 = TPointD(0.0, 0.0);
TPointD tex10 = TPointD(lwTex, 0.0);
TPointD tex11 = TPointD(lwTex, lhTex);
TPointD tex01 = TPointD(0.0, lhTex);
GLenum polygonStyle;
if (wireframe) {
polygonStyle = GL_LINE;
glDisable(GL_TEXTURE_2D);
} else
polygonStyle = GL_FILL;
checkErrorsByGL p00.x /= ri.m_shrinkX;
p00.y /= ri.m_shrinkY;
p10.x /= ri.m_shrinkX;
p10.y /= ri.m_shrinkY;
p11.x /= ri.m_shrinkX;
p11.y /= ri.m_shrinkY;
p01.x /= ri.m_shrinkX;
p01.y /= ri.m_shrinkY;
TPointD translate = TPointD(tile.m_pos.x + tile.getRaster()->getLx() * 0.5,
tile.m_pos.y + tile.getRaster()->getLy() * 0.5);
glTranslated(-translate.x, -translate.y, 0.0);
// disegno il poligono
double dist_p00_p01 = tdistance2(p00, p01);
double dist_p10_p11 = tdistance2(p10, p11);
double dist_p01_p11 = tdistance2(p01, p11);
double dist_p00_p10 = tdistance2(p00, p10);
bool vertical = (dist_p00_p01 == dist_p10_p11);
bool horizontal = (dist_p00_p10 == dist_p01_p11);
if (vertical && horizontal) details = 1;
glPolygonMode(GL_FRONT_AND_BACK, polygonStyle);
subdivision(p00, p10, p11, p01, tex00, tex10, tex11, tex01, clippingRect,
details);
if (!wireframe) {
// abilito l'antialiasing delle linee
glEnable(GL_LINE_SMOOTH);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
// disegno il bordo del poligono
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glBegin(GL_QUADS);
glTexCoord2d(tex00.x, tex00.y);
tglVertex(p00);
glTexCoord2d(tex10.x, tex10.y);
tglVertex(p10);
glTexCoord2d(tex11.x, tex11.y);
tglVertex(p11);
glTexCoord2d(tex01.x, tex01.y);
tglVertex(p01);
glEnd();
// disabilito l'antialiasing per le linee
glDisable(GL_LINE_SMOOTH);
glDisable(GL_BLEND);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_TEXTURE_2D);
}
// force to finish
glFlush();
// rimetto il disegno dei poligoni a GL_FILL
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
// metto il frame buffer nel raster del tile
glPixelStorei(GL_UNPACK_ROW_LENGTH, rasterWidth);
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
TRaster32P newRas(tile.getRaster()->getLx(), tile.getRaster()->getLy());
newRas->lock();
glReadPixels(1, 1, newRas->getLx(), newRas->getLy(), GL_RGBA,
GL_UNSIGNED_BYTE, (void *)newRas->getRawData());
newRas->unlock();
checkErrorsByGL
rasaux->unlock();
tile.getRaster()->copy(newRas);
}
void subdivision(const TPointD &p00, const TPointD &p10, const TPointD &p11,
const TPointD &p01, const TPointD &tex00, const TPointD &tex10,
const TPointD &tex11, const TPointD &tex01,
const TRectD &clippingRect, int details) {
if (details == 1) {
glBegin(GL_QUADS);
glTexCoord2d(tex00.x, tex00.y);
tglVertex(p00);
glTexCoord2d(tex10.x, tex10.y);
tglVertex(p10);
glTexCoord2d(tex11.x, tex11.y);
tglVertex(p11);
glTexCoord2d(tex01.x, tex01.y);
tglVertex(p01);
glEnd();
} else {
TPointD A = p00;
TPointD B = p10;
TPointD C = p11;
TPointD D = p01;
/*
* D L2 C
* +----------------+----------------+
* | | |
* | | |
* | | |
* | | |
* | | |
* H1 +----------------+----------------+ H2
* | | M |
* | | |
* | | |
* | | |
* | | |
* +----------------+----------------+
* A L1 B
*
*/
TPointD M, L1, L2, H1, H2, P1, P2;
bool intersection;
// M
intersection = lineIntersection(A, C, B, D, M);
assert(intersection);
// P1 (punto di fuga)
intersection = lineIntersection(D, C, A, B, P1);
if (!intersection) {
P1.x = 0.5 * (A.x + D.x);
P1.y = 0.5 * (A.y + D.y);
}
// H1
intersection = lineIntersection(A, D, P1, M, H1);
assert(intersection);
// H2
intersection = lineIntersection(B, C, P1, M, H2);
assert(intersection);
// P2 (punto di fuga)
intersection = lineIntersection(A, D, B, C, P2);
if (!intersection) {
P2.x = 0.5 * (A.x + B.x);
P2.y = 0.5 * (A.y + B.y);
}
// L1
intersection = lineIntersection(A, B, P2, M, L1);
assert(intersection);
// L2
intersection = lineIntersection(D, C, P2, M, L2);
assert(intersection);
TPointD texA = (tex00 + tex10) * 0.5;
TPointD texB = (tex10 + tex11) * 0.5;
TPointD texC = (tex11 + tex01) * 0.5;
TPointD texD = (tex01 + tex00) * 0.5;
TPointD texM = (texA + texC) * 0.5;
details--;
TRectD r1 = TRectD(
std::min({A.x, L1.x, M.x, H1.x}), std::min({A.y, L1.y, M.y, H1.y}),
std::max({A.x, L1.x, M.x, H1.x}), std::max({A.y, L1.y, M.y, H1.y}));
TRectD r2 = TRectD(
std::min({L1.x, B.x, H2.x, M.x}), std::min({L1.y, B.y, H2.y, M.y}),
std::max({L1.x, B.x, H2.x, M.x}), std::max({L1.y, B.y, H2.y, M.y}));
TRectD r3 = TRectD(
std::min({M.x, H2.x, C.x, L2.x}), std::min({M.y, H2.y, C.y, L2.y}),
std::max({M.x, H2.x, C.x, L2.x}), std::max({M.y, H2.y, C.y, L2.y}));
TRectD r4 = TRectD(
std::min({H1.x, M.x, L2.x, D.x}), std::min({H1.y, M.y, L2.y, D.y}),
std::max({H1.x, M.x, L2.x, D.x}), std::max({H1.y, M.y, L2.y, D.y}));
if (r1.overlaps(clippingRect))
subdivision(A, L1, M, H1, tex00, texA, texM, texD, clippingRect, details);
if (r2.overlaps(clippingRect))
subdivision(L1, B, H2, M, texA, tex10, texB, texM, clippingRect, details);
if (r3.overlaps(clippingRect))
subdivision(M, H2, C, L2, texM, texB, tex11, texC, clippingRect, details);
if (r4.overlaps(clippingRect))
subdivision(H1, M, L2, D, texD, texM, texC, tex01, clippingRect, details);
}
}
void tglDraw(const TRectD &rect, const TRaster32P &tex, bool blending)
{
CHECK_ERRORS_BY_GL;
glPushAttrib(GL_ALL_ATTRIB_BITS);
if (blending) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
unsigned int texWidth = 1;
unsigned int texHeight = 1;
while (texWidth < (unsigned int)tex->getLx())
texWidth = texWidth << 1;
while (texHeight < (unsigned int)tex->getLy())
texHeight = texHeight << 1;
double lwTex = 1.0;
double lhTex = 1.0;
TRaster32P texture;
unsigned int texLx = (unsigned int)tex->getLx();
unsigned int texLy = (unsigned int)tex->getLy();
if (texWidth != texLx ||
texHeight != texLy) {
texture = TRaster32P(texWidth, texHeight);
texture->fill(TPixel32(0, 0, 0, 0));
texture->copy(tex);
lwTex = (texLx) / (double)(texWidth);
lhTex = (texLy) / (double)(texHeight);
if (lwTex > 1.0)
lwTex = 1.0;
if (lhTex > 1.0)
lhTex = 1.0;
} else
texture = tex;
GLenum fmt =
#ifdef TNZ_MACHINE_CHANNEL_ORDER_BGRM
GL_BGRA_EXT;
#elif TNZ_MACHINE_CHANNEL_ORDER_MBGR
GL_ABGR_EXT;
#elif TNZ_MACHINE_CHANNEL_ORDER_RGBM
GL_RGBA;
#elif TNZ_MACHINE_CHANNEL_ORDER_MRGB
GL_BGRA;
#else
// Error PLATFORM NOT SUPPORTED
#error "unknown channel order!"
#endif
// Generate a texture id and bind it.
GLuint texId;
glGenTextures(1, &texId);
glBindTexture(GL_TEXTURE_2D, texId);
glPixelStorei(GL_UNPACK_ROW_LENGTH, texture->getWrap());
texture->lock();
glTexImage2D(GL_TEXTURE_2D,
0,
4,
texWidth,
texHeight,
0,
fmt,
#ifdef TNZ_MACHINE_CHANNEL_ORDER_MRGB
GL_UNSIGNED_INT_8_8_8_8_REV,
#else
GL_UNSIGNED_BYTE,
#endif
texture->getRawData());
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glEnable(GL_TEXTURE_2D);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
double rectLx = rect.getLx();
double rectLy = rect.getLy();
tglColor(TPixel32(0, 0, 0, 0));
glPushMatrix();
glTranslated(rect.x0, rect.y0, 0.0);
glBegin(GL_POLYGON);
glTexCoord2d(0, 0);
tglVertex(TPointD(0.0, 0.0));
glTexCoord2d(lwTex, 0);
tglVertex(TPointD(rectLx, 0.0));
glTexCoord2d(lwTex, lhTex);
tglVertex(TPointD(rectLx, rectLy));
glTexCoord2d(0, lhTex);
tglVertex(TPointD(0.0, rectLy));
glEnd();
glDisable(GL_TEXTURE_2D);
glPopMatrix();
glPopAttrib();
// Delete texture
glDeleteTextures(1, &texId);
texture->unlock();
}