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Commit 009a4936 authored by Christophe Geuzaine's avatar Christophe Geuzaine
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- fix MSVC compiler warnings
- fix zlib stream header length calculation
parent 2c3cd121
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Graphics/gl2ps.cpp
+ 85
− 83
View file @ 009a4936
/* $Id: gl2ps.cpp,v 1.77 2003-10-31 17:56:02 geuzaine Exp $ */
/* $Id: gl2ps.cpp,v 1.78 2003-11-02 18:46:17 geuzaine Exp $ */
/*
* GL2PS, an OpenGL to PostScript Printing Library
* Copyright (C) 1999-2003 Christophe Geuzaine <geuz@geuz.org>
......@@ -169,7 +169,7 @@ size_t gl2psWriteBigEndianCompress(unsigned long data, size_t bytes){
size_t i;
size_t size = sizeof(unsigned long);
for(i = 1; i <= bytes; ++i){
*gl2ps->compress->src = 0xff & (data >> (size-i) * 8);
*gl2ps->compress->src = (Bytef)(0xff & (data >> (size-i) * 8));
++gl2ps->compress->src;
}
return bytes;
......@@ -364,9 +364,9 @@ void gl2psFreeText(GL2PSstring* text){
/* Helpers for rgba colors */
float gl2psColorDiff(GL2PSrgba rgba1, GL2PSrgba rgba2){
GLfloat gl2psColorDiff(GL2PSrgba rgba1, GL2PSrgba rgba2){
int i;
float res = 0;
GLfloat res = 0;
for(i = 0; i < 3; ++i){
res += (rgba1[i] - rgba2[i]) * (rgba1[i] - rgba2[i]);
}
......@@ -421,7 +421,7 @@ void gl2psPvec(GLfloat *a, GLfloat *b, GLfloat *c){
}
GLfloat gl2psNorm(GLfloat *a){
return sqrt(a[0]*a[0] + a[1]*a[1] + a[2]*a[2]);
return (GLfloat)sqrt(a[0]*a[0] + a[1]*a[1] + a[2]*a[2]);
}
void gl2psGetNormal(GLfloat *a, GLfloat *b, GLfloat *c){
......@@ -437,13 +437,13 @@ void gl2psGetNormal(GLfloat *a, GLfloat *b, GLfloat *c){
/* FIXME: the plane is still wrong, despite our tests in
gl2psGetPlane... Let's return a dummy value for now (this is a
hack: we should do more tests in GetPlane) */
c[0] = c[1] = 0.;
c[2] = 1.;
c[0] = c[1] = 0.0F;
c[2] = 1.0F;
}
}
void gl2psGetPlane(GL2PSprimitive *prim, GL2PSplane plane){
GL2PSxyz v = {0., 0., 0.}, w = {0., 0., 0.};
GL2PSxyz v = {0.0F, 0.0F, 0.0F}, w = {0.0F, 0.0F, 0.0F};
switch(prim->type){
case GL2PS_TRIANGLE :
......@@ -456,8 +456,8 @@ void gl2psGetPlane(GL2PSprimitive *prim, GL2PSplane plane){
w[2] = prim->verts[2].xyz[2] - prim->verts[0].xyz[2];
if((GL2PS_ZERO(v[0]) && GL2PS_ZERO(v[1]) && GL2PS_ZERO(v[2])) ||
(GL2PS_ZERO(w[0]) && GL2PS_ZERO(w[1]) && GL2PS_ZERO(w[2]))){
plane[0] = plane[1] = 0.;
plane[2] = 1.;
plane[0] = plane[1] = 0.0F;
plane[2] = 1.0F;
plane[3] = -prim->verts[0].xyz[2];
}
else{
......@@ -473,14 +473,14 @@ void gl2psGetPlane(GL2PSprimitive *prim, GL2PSplane plane){
v[1] = prim->verts[1].xyz[1] - prim->verts[0].xyz[1];
v[2] = prim->verts[1].xyz[2] - prim->verts[0].xyz[2];
if(GL2PS_ZERO(v[0]) && GL2PS_ZERO(v[1]) && GL2PS_ZERO(v[2])){
plane[0] = plane[1] = 0.;
plane[2] = 1.;
plane[0] = plane[1] = 0.0F;
plane[2] = 1.0F;
plane[3] = -prim->verts[0].xyz[2];
}
else{
if(GL2PS_ZERO(v[0])) w[0] = 1.;
else if(GL2PS_ZERO(v[1])) w[1] = 1.;
else w[2] = 1.;
if(GL2PS_ZERO(v[0])) w[0] = 1.0F;
else if(GL2PS_ZERO(v[1])) w[1] = 1.0F;
else w[2] = 1.0F;
gl2psGetNormal(v, w, plane);
plane[3] =
- plane[0] * prim->verts[0].xyz[0]
......@@ -491,14 +491,14 @@ void gl2psGetPlane(GL2PSprimitive *prim, GL2PSplane plane){
case GL2PS_POINT :
case GL2PS_PIXMAP :
case GL2PS_TEXT :
plane[0] = plane[1] = 0.;
plane[2] = 1.;
plane[0] = plane[1] = 0.0F;
plane[2] = 1.0F;
plane[3] = -prim->verts[0].xyz[2];
break;
default :
gl2psMsg(GL2PS_ERROR, "Unknown primitive type in BSP tree");
plane[0] = plane[1] = plane[3] = 0.;
plane[2] = 1.;
plane[0] = plane[1] = plane[3] = 0.0F;
plane[2] = 1.0F;
break;
}
}
......@@ -517,10 +517,10 @@ void gl2psCutEdge(GL2PSvertex *a, GL2PSvertex *b, GL2PSplane plane,
c->xyz[1] = a->xyz[1] + v[1] * sect;
c->xyz[2] = a->xyz[2] + v[2] * sect;
c->rgba[0] = (1.-sect) * a->rgba[0] + sect * b->rgba[0];
c->rgba[1] = (1.-sect) * a->rgba[1] + sect * b->rgba[1];
c->rgba[2] = (1.-sect) * a->rgba[2] + sect * b->rgba[2];
c->rgba[3] = (1.-sect) * a->rgba[3] + sect * b->rgba[3];
c->rgba[0] = (1 - sect) * a->rgba[0] + sect * b->rgba[0];
c->rgba[1] = (1 - sect) * a->rgba[1] + sect * b->rgba[1];
c->rgba[2] = (1 - sect) * a->rgba[2] + sect * b->rgba[2];
c->rgba[3] = (1 - sect) * a->rgba[3] + sect * b->rgba[3];
}
void gl2psCreateSplitPrimitive(GL2PSprimitive *parent, GL2PSplane plane,
......@@ -914,17 +914,17 @@ GLint gl2psGetPlaneFromPoints(GL2PSxyz a, GL2PSxyz b, GL2PSplane plane){
plane[0] = b[1] - a[1];
plane[1] = a[0] - b[0];
n = sqrt(plane[0]*plane[0] + plane[1]*plane[1]);
plane[2]=0.;
if(n != 0.){
n = (GLfloat)sqrt(plane[0]*plane[0] + plane[1]*plane[1]);
plane[2] = 0.0F;
if(n != 0.0){
plane[0] /= n;
plane[1] /= n;
plane[3] = -plane[0]*a[0]-plane[1]*a[1];
return 1;
}
else{
plane[0] = -1.0;
plane[1] = 0.;
plane[0] = -1.0F;
plane[1] = 0.0F;
plane[3] = a[0];
return 0;
}
......@@ -1102,7 +1102,7 @@ void gl2psSplitPrimitive2D(GL2PSprimitive *prim,
GL2PSvertex *front_list = NULL, *back_list = NULL;
/* number of vertices in front and back list */
GLint front_count = 0, back_count = 0;
GLshort front_count = 0, back_count = 0;
for(i = 0; i <= prim->numverts; i++){
v1 = i;
......@@ -1241,7 +1241,7 @@ void gl2psAddBoundaryInList(GL2PSprimitive *prim, GL2PSlist *list){
GLshort i;
GL2PSxyz c;
c[0] = c[1] = c[2] = 0.;
c[0] = c[1] = c[2] = 0.0F;
for(i = 0; i < prim->numverts; i++){
c[0] += prim->verts[i].xyz[0];
c[1] += prim->verts[i].xyz[1];
......@@ -1264,7 +1264,7 @@ void gl2psAddBoundaryInList(GL2PSprimitive *prim, GL2PSlist *list){
#if 0 /* FIXME: need to work on boundary offset... */
v[0] = c[0] - prim->verts[i].xyz[0];
v[1] = c[1] - prim->verts[i].xyz[1];
v[2] = 0.;
v[2] = 0.0F;
norm = gl2psNorm(v);
v[0] /= norm;
v[1] /= norm;
......@@ -1288,14 +1288,14 @@ void gl2psAddBoundaryInList(GL2PSprimitive *prim, GL2PSlist *list){
b->verts[1].xyz[2] = prim->verts[gl2psGetIndex(i, prim->numverts)].xyz[2];
#endif
b->verts[0].rgba[0] = 0.;
b->verts[0].rgba[1] = 0.;
b->verts[0].rgba[2] = 0.;
b->verts[0].rgba[3] = 0.;
b->verts[1].rgba[0] = 0.;
b->verts[1].rgba[1] = 0.;
b->verts[1].rgba[2] = 0.;
b->verts[1].rgba[3] = 0.;
b->verts[0].rgba[0] = 0.0F;
b->verts[0].rgba[1] = 0.0F;
b->verts[0].rgba[2] = 0.0F;
b->verts[0].rgba[3] = 0.0F;
b->verts[1].rgba[0] = 0.0F;
b->verts[1].rgba[1] = 0.0F;
b->verts[1].rgba[2] = 0.0F;
b->verts[1].rgba[3] = 0.0F;
gl2psListAdd(list, &b);
}
}
......@@ -1363,8 +1363,8 @@ void gl2psAddPolyPrimitive(GLshort type, GLshort numverts,
units = gl2ps->offset[1];
}
else{
factor = gl2ps->offset[0] / 800.;
units = gl2ps->offset[1] / 800.;
factor = gl2ps->offset[0] / 800.0F;
units = gl2ps->offset[1] / 800.0F;
}
area =
......@@ -1383,7 +1383,7 @@ void gl2psAddPolyPrimitive(GLshort type, GLshort numverts,
(prim->verts[2].xyz[0] - prim->verts[1].xyz[0]) *
(prim->verts[1].xyz[2] - prim->verts[0].xyz[2]) / area;
maxdZ = sqrt(dZdX*dZdX + dZdY*dZdY);
maxdZ = (GLfloat)sqrt(dZdX*dZdX + dZdY*dZdY);
dZ = factor * maxdZ + units;
......@@ -1431,7 +1431,7 @@ void gl2psParseFeedbackBuffer(GLint used){
char flag, dash = 0;
GLshort boundary;
GLint i, count, v, vtot, offset = 0;
GLfloat lwidth = 1., psize = 1.;
GLfloat lwidth = 1.0F, psize = 1.0F;
GLfloat *current;
GL2PSvertex vertices[3];
......@@ -1557,7 +1557,7 @@ void gl2psPrintPostScriptPixmap(GLfloat x, GLfloat y, GLsizei width, GLsizei hei
GLenum format, GLenum type, GLfloat *pixels){
int nbhex, nbyte2, nbyte4, nbyte8;
GLsizei row, col, col_max;
float dr, dg, db, fgrey;
GLfloat dr, dg, db;
unsigned char red, green, blue, b, grey;
/* FIXME: define an option for these? */
......@@ -1579,8 +1579,7 @@ void gl2psPrintPostScriptPixmap(GLfloat x, GLfloat y, GLsizei width, GLsizei hei
for(row = 0; row < height; row++){
for(col = 0; col < width; col++){
gl2psGetRGB(pixels, width, height, col, row, &dr, &dg, &db);
fgrey = (0.30 * dr + 0.59 * dg + 0.11 * db);
grey = (unsigned char)(255. * fgrey);
grey = (unsigned char)(255.0 * (0.30 * dr + 0.59 * dg + 0.11 * db));
gl2psWriteByte(grey);
}
gl2psPrintf("\n");
......@@ -1602,32 +1601,32 @@ void gl2psPrintPostScriptPixmap(GLfloat x, GLfloat y, GLsizei width, GLsizei hei
for(row = 0; row < height; row++){
for(col = 0; col < col_max; col+=4){
gl2psGetRGB(pixels, width, height, col, row, &dr, &dg, &db);
red = (unsigned char)(3. * dr);
green = (unsigned char)(3. * dg);
blue = (unsigned char)(3. * db);
red = (unsigned char)(3.0 * dr);
green = (unsigned char)(3.0 * dg);
blue = (unsigned char)(3.0 * db);
b = red;
b = (b<<2)+green;
b = (b<<2)+blue;
gl2psGetRGB(pixels, width, height, col+1, row, &dr, &dg, &db);
red = (unsigned char)(3. * dr);
green = (unsigned char)(3. * dg);
blue = (unsigned char)(3. * db);
red = (unsigned char)(3.0 * dr);
green = (unsigned char)(3.0 * dg);
blue = (unsigned char)(3.0 * db);
b = (b<<2)+red;
gl2psWriteByte(b);
b = green;
b = (b<<2)+blue;
gl2psGetRGB(pixels, width, height, col+2, row, &dr, &dg, &db);
red = (unsigned char)(3. * dr);
green = (unsigned char)(3. * dg);
blue = (unsigned char)(3. * db);
red = (unsigned char)(3.0 * dr);
green = (unsigned char)(3.0 * dg);
blue = (unsigned char)(3.0 * db);
b = (b<<2)+red;
b = (b<<2)+green;
gl2psWriteByte(b);
b = blue;
gl2psGetRGB(pixels, width, height, col+3, row, &dr, &dg, &db);
red = (unsigned char)(3. * dr);
green = (unsigned char)(3. * dg);
blue = (unsigned char)(3. * db);
red = (unsigned char)(3.0 * dr);
green = (unsigned char)(3.0 * dg);
blue = (unsigned char)(3.0 * db);
b = (b<<2)+red;
b = (b<<2)+green;
b = (b<<2)+blue;
......@@ -1675,11 +1674,11 @@ void gl2psPrintPostScriptPixmap(GLfloat x, GLfloat y, GLsizei width, GLsizei hei
for(row = 0; row < height; row++){
for(col = 0; col < width; col++){
gl2psGetRGB(pixels, width, height, col, row, &dr, &dg, &db);
red = (unsigned char)(255. * dr);
red = (unsigned char)(255.0 * dr);
gl2psWriteByte(red);
green = (unsigned char)(255. * dg);
green = (unsigned char)(255.0 * dg);
gl2psWriteByte(green);
blue = (unsigned char)(255. * db);
blue = (unsigned char)(255.0 * db);
gl2psWriteByte(blue);
}
gl2psPrintf("\n");
......@@ -1695,9 +1694,9 @@ void gl2psPrintPostScriptHeader(void){
time_t now;
#ifdef GL2PS_HAVE_ZLIB
char tmp[10] = {0x1f,0x8b /*magic numbers*/, Z_DEFLATED, /*compression method*/
0 /*flags*/, 0,0,0,0 /*time*/, 2 /*xflags: max compression*/,
0x03 /*FIXME: OS*/};
char tmp[10] = {0x1f,0x8b /* magic numbers */, 8 /* compression method */,
0 /* flags */, 0,0,0,0 /* time */, 2 /* xflags: max compression */,
0x03 /* FIXME: OS code */};
if(gl2ps->options & GL2PS_COMPRESS){
gl2psSetupCompress();
......@@ -1900,7 +1899,7 @@ void gl2psPrintPostScriptHeader(void){
rgba[0] = gl2ps->colormap[index][0];
rgba[1] = gl2ps->colormap[index][1];
rgba[2] = gl2ps->colormap[index][2];
rgba[3] = 0.;
rgba[3] = 0.0F;
}
gl2psPrintf("%g %g %g C\n"
"newpath %d %d moveto %d %d lineto %d %d lineto %d %d lineto\n"
......@@ -2026,20 +2025,23 @@ void gl2psPrintPostScriptFooter(void){
gl2psMsg(GL2PS_ERROR, "Zlib deflate error");
}
else{
/* write the data, without the 2 header bytes and the 4 footer
bytes from the zlib stream */
/* FIXME: we should actually check the header to be sure that
there is no extra data appended to it */
fwrite(gl2ps->compress->dest+2, gl2ps->compress->destLen-6, 1, gl2ps->stream);
/* determine the length of the header in the zlib stream */
n = 2; /* CMF+FLG */
if(gl2ps->compress->dest[1] & (1<<5)){
n += 4; /* DICTID */
}
/* write the data, without the zlib header and footer */
fwrite(gl2ps->compress->dest+n, gl2ps->compress->destLen-(n+4),
1, gl2ps->stream);
/* add the gzip file footer */
crc = crc32(0L, gl2ps->compress->start, gl2ps->compress->srcLen);
for(n = 0; n < 4; ++n) {
tmp[n] = crc & 0xff;
tmp[n] = (char)(crc & 0xff);
crc >>= 8;
}
len = gl2ps->compress->srcLen;
for(n = 4; n < 8; ++n) {
tmp[n] = len & 0xff;
tmp[n] = (char)(len & 0xff);
len >>= 8;
}
fwrite(tmp, 8, 1, gl2ps->stream);
......@@ -2070,7 +2072,7 @@ void gl2psPrintPostScriptBeginViewport(GLint viewport[4]){
rgba[0] = gl2ps->colormap[index][0];
rgba[1] = gl2ps->colormap[index][1];
rgba[2] = gl2ps->colormap[index][2];
rgba[3] = 0.;
rgba[3] = 0.0F;
}
gl2psPrintf("%g %g %g C\n"
"newpath %d %d moveto %d %d lineto %d %d lineto %d %d lineto\n"
......@@ -2239,7 +2241,7 @@ int gl2psPrintPDFFillColor(GL2PSrgba rgba){
return offs;
}
int gl2psPrintPDFLineWidth(float lw){
int gl2psPrintPDFLineWidth(GLfloat lw){
if(GL2PS_ZERO(lw))
return gl2psPrintf("%.0f w\n", 0.);
else if(lw < 1e-4 || lw > 1e6) /* avoid %e formatting */
......@@ -2344,7 +2346,7 @@ int gl2psOpenPDFDataStreamWritePreface(){
rgba[0] = gl2ps->colormap[index][0];
rgba[1] = gl2ps->colormap[index][1];
rgba[2] = gl2ps->colormap[index][2];
rgba[3] = 0.;
rgba[3] = 0.0F;
}
offs += gl2psPrintPDFFillColor(rgba);
offs += gl2psPrintf("%d %d %d %d re\n",
......@@ -2676,8 +2678,8 @@ int gl2psPrintPDFShaderStreamData(GL2PStriangle triangle,
char edgeflag = 0;
double dmax = ~1UL;
dx = gl2ps->viewport[2]-gl2ps->viewport[0];
dy = gl2ps->viewport[3]-gl2ps->viewport[1];
dx = (GLfloat)(gl2ps->viewport[2] - gl2ps->viewport[0]);
dy = (GLfloat)(gl2ps->viewport[3] - gl2ps->viewport[1]);
for(i = 0; i < 3; ++i){
offs += (*action)(edgeflag, 1);
......@@ -3081,7 +3083,7 @@ GLint gl2psPrintPDFEndViewport(){
GLint gl2psPrintPrimitives(void){
GL2PSbsptree *root;
GL2PSxyz eye = {0., 0., 100000.};
GL2PSxyz eye = {0.0F, 0.0F, 100000.0F};
GLint used;
void (*pprim)(void *a, void *b) = 0;
......@@ -3195,15 +3197,15 @@ GL2PSDLL_API GLint gl2psBeginPage(const char *title, const char *producer,
gl2ps->viewport[i] = viewport[i];
}
}
gl2ps->threshold[0] = nr ? 1./(GLfloat)nr : 0.032;
gl2ps->threshold[1] = ng ? 1./(GLfloat)ng : 0.017;
gl2ps->threshold[2] = nb ? 1./(GLfloat)nb : 0.05;
gl2ps->threshold[0] = nr ? 1.0F/(GLfloat)nr : 0.032F;
gl2ps->threshold[1] = ng ? 1.0F/(GLfloat)ng : 0.017F;
gl2ps->threshold[2] = nb ? 1.0F/(GLfloat)nb : 0.050F;
gl2ps->colormode = colormode;
gl2ps->buffersize = buffersize > 0 ? buffersize : 2048 * 2048;
for(i = 0; i < 4; i++){
gl2ps->lastrgba[i] = -1.;
gl2ps->lastrgba[i] = -1.0F;
}
gl2ps->lastlinewidth = -1.;
gl2ps->lastlinewidth = -1.0F;
gl2ps->imagetree = NULL;
gl2ps->primitivetoadd = NULL;
gl2ps->zerosurfacearea = 0;
......
Graphics/gl2ps.h
+ 7
− 8
View file @ 009a4936
/* $Id: gl2ps.h,v 1.47 2003-10-29 19:51:43 geuzaine Exp $ */
/* $Id: gl2ps.h,v 1.48 2003-11-02 18:46:17 geuzaine Exp $ */
/*
* GL2PS, an OpenGL to PostScript Printing Library
* Copyright (C) 1999-2003 Christophe Geuzaine <geuz@geuz.org>
......@@ -116,10 +116,10 @@
/* Magic numbers */
#define GL2PS_EPSILON 5.e-3
#define GL2PS_DEPTH_FACT 1000.0
#define GL2PS_SIMPLE_OFFSET 0.05
#define GL2PS_SIMPLE_OFFSET_LARGE 1.0
#define GL2PS_EPSILON 5.0e-3F
#define GL2PS_DEPTH_FACT 1000.0F
#define GL2PS_SIMPLE_OFFSET 0.05F
#define GL2PS_SIMPLE_OFFSET_LARGE 1.0F
#define GL2PS_ZERO(arg) (fabs(arg)<1.e-20)
#define GL2PS_FIXED_XREF_ENTRIES 7
......@@ -233,7 +233,7 @@ typedef struct {
typedef struct {
#ifdef GL2PS_HAVE_ZLIB
Bytef* dest, *src, *start;
Bytef *dest, *src, *start;
uLongf destLen, srcLen;
#else
int dummy;
......@@ -245,10 +245,9 @@ typedef struct {
GLint format, sort, options, colorsize, colormode, buffersize;
const char *title, *producer, *filename;
GLboolean boundary;
GLfloat *feedback, offset[2];
GLfloat *feedback, offset[2], lastlinewidth;
GLint viewport[4];
GL2PSrgba *colormap, lastrgba, threshold;
float lastlinewidth;
GL2PSlist *primitives;
FILE *stream;
GL2PScompress *compress;
......
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