BlenderWorldInfo::BlenderWorldInfo(struct Scene *blenderscene, struct World *blenderworld)
{
if (blenderworld) {
m_hasworld = true;
// do we have mist?
if ((blenderworld->mode) & WO_MIST) {
m_hasmist = true;
m_miststart = blenderworld->miststa;
m_mistdistance = blenderworld->mistdist;
copy_v3_v3(m_mistcolor, &blenderworld->horr);
}
else {
m_hasmist = false;
m_miststart = 0.0;
m_mistdistance = 0.0;
zero_v3(m_mistcolor);
}
copy_v3_v3(m_backgroundcolor, &blenderworld->horr);
copy_v3_v3(m_ambientcolor, &blenderworld->ambr);
if (BKE_scene_check_color_management_enabled(blenderscene)) {
linearrgb_to_srgb_v3_v3(m_mistcolor, m_mistcolor);
linearrgb_to_srgb_v3_v3(m_backgroundcolor, m_backgroundcolor);
linearrgb_to_srgb_v3_v3(m_ambientcolor, m_ambientcolor);
}
}
else {
m_hasworld = false;
}
}
MINLINE void linearrgb_to_srgb_uchar3(unsigned char srgb[3], const float linear[3])
{
float srgb_f[3];
linearrgb_to_srgb_v3_v3(srgb_f, linear);
F3TOCHAR3(srgb_f, srgb);
}
void paint_get_tex_pixel_col(MTex *mtex, float u, float v, float rgba[4], struct ImagePool *pool, int thread, bool convert_to_linear, struct ColorSpace *colorspace)
{
float co[3] = {u, v, 0.0f};
int hasrgb;
float intensity;
hasrgb = externtex(mtex, co, &intensity,
rgba, rgba + 1, rgba + 2, rgba + 3, thread, pool);
if (!hasrgb) {
rgba[0] = intensity;
rgba[1] = intensity;
rgba[2] = intensity;
rgba[3] = 1.0f;
}
if (convert_to_linear)
IMB_colormanagement_colorspace_to_scene_linear_v3(rgba, colorspace);
linearrgb_to_srgb_v3_v3(rgba, rgba);
CLAMP(rgba[0], 0.0f, 1.0f);
CLAMP(rgba[1], 0.0f, 1.0f);
CLAMP(rgba[2], 0.0f, 1.0f);
CLAMP(rgba[3], 0.0f, 1.0f);
}
/* matching ED_space_image_color_sample() */
int ED_space_node_color_sample(SpaceNode *snode, ARegion *ar, int mval[2], float r_col[3])
{
void *lock;
Image *ima;
ImBuf *ibuf;
float fx, fy, bufx, bufy;
int ret = FALSE;
if (STREQ(snode->tree_idname, ntreeType_Composite->idname) || (snode->flag & SNODE_BACKDRAW) == 0) {
/* use viewer image for color sampling only if we're in compositor tree
* with backdrop enabled
*/
return FALSE;
}
ima = BKE_image_verify_viewer(IMA_TYPE_COMPOSITE, "Viewer Node");
ibuf = BKE_image_acquire_ibuf(ima, NULL, &lock);
if (!ibuf) {
return FALSE;
}
/* map the mouse coords to the backdrop image space */
bufx = ibuf->x * snode->zoom;
bufy = ibuf->y * snode->zoom;
fx = (bufx > 0.0f ? ((float)mval[0] - 0.5f * ar->winx - snode->xof) / bufx + 0.5f : 0.0f);
fy = (bufy > 0.0f ? ((float)mval[1] - 0.5f * ar->winy - snode->yof) / bufy + 0.5f : 0.0f);
if (fx >= 0.0f && fy >= 0.0f && fx < 1.0f && fy < 1.0f) {
float *fp;
unsigned char *cp;
int x = (int)(fx * ibuf->x), y = (int)(fy * ibuf->y);
CLAMP(x, 0, ibuf->x - 1);
CLAMP(y, 0, ibuf->y - 1);
if (ibuf->rect_float) {
fp = (ibuf->rect_float + (ibuf->channels) * (y * ibuf->x + x));
/* IB_PROFILE_NONE is default but infact its linear */
linearrgb_to_srgb_v3_v3(r_col, fp);
ret = TRUE;
}
else if (ibuf->rect) {
cp = (unsigned char *)(ibuf->rect + y * ibuf->x + x);
rgb_uchar_to_float(r_col, cp);
ret = TRUE;
}
}
BKE_image_release_ibuf(ima, ibuf, lock);
return ret;
}
void KX_WorldInfo::setAmbientColor(float r, float g, float b)
{
m_ambientcolor[0] = r;
m_ambientcolor[1] = g;
m_ambientcolor[2] = b;
if (m_do_color_management) {
linearrgb_to_srgb_v3_v3(m_con_ambientcolor, m_ambientcolor);
}
else {
copy_v3_v3(m_con_ambientcolor, m_ambientcolor);
}
}
void KX_WorldInfo::setBackColor(float r, float g, float b)
{
m_backgroundcolor[0] = r;
m_backgroundcolor[1] = g;
m_backgroundcolor[2] = b;
if (m_do_color_management) {
linearrgb_to_srgb_v3_v3(m_con_backgroundcolor, m_backgroundcolor);
}
else {
copy_v3_v3(m_con_backgroundcolor, m_backgroundcolor);
}
}
BlenderWorldInfo::BlenderWorldInfo(struct Scene *blenderscene, struct World* blenderworld)
{
if (blenderworld)
{
m_hasworld = true;
// do we have mist?
if ((blenderworld->mode) & WO_MIST)
{
m_hasmist = true;
m_miststart = blenderworld->miststa;
m_mistdistance = blenderworld->mistdist;
copy_v3_v3(m_mistcolor, &blenderworld->horr);
}
else
{
m_hasmist = false;
m_miststart = 0.0;
m_mistdistance = 0.0;
zero_v3(m_mistcolor);
}
copy_v3_v3(m_backgroundcolor, &blenderworld->horr);
copy_v3_v3(m_ambientcolor, &blenderworld->ambr);
/* OCIO TODO */
if(blenderscene->r.color_mgt_flag & R_COLOR_MANAGEMENT) {
linearrgb_to_srgb_v3_v3(m_mistcolor, m_mistcolor);
linearrgb_to_srgb_v3_v3(m_backgroundcolor, m_backgroundcolor);
linearrgb_to_srgb_v3_v3(m_ambientcolor, m_ambientcolor);
}
}
else
{
m_hasworld = false;
}
}
static DMDrawOption draw_tface__set_draw_legacy(MTexPoly *mtexpoly, const bool has_mcol, int matnr)
{
Material *ma = give_current_material(Gtexdraw.ob, matnr + 1);
bool invalidtexture = false;
if (ma && (ma->game.flag & GEMAT_INVISIBLE))
return DM_DRAW_OPTION_SKIP;
invalidtexture = set_draw_settings_cached(0, mtexpoly, ma, Gtexdraw);
if (mtexpoly && invalidtexture) {
glColor3ub(0xFF, 0x00, 0xFF);
return DM_DRAW_OPTION_NO_MCOL; /* Don't set color */
}
else if (!has_mcol) {
if (mtexpoly) {
glColor3f(1.0, 1.0, 1.0);
}
else {
if (ma) {
if (ma->shade_flag & MA_OBCOLOR) {
glColor3ubv(Gtexdraw.obcol);
}
else {
float col[3];
if (Gtexdraw.color_profile) linearrgb_to_srgb_v3_v3(col, &ma->r);
else copy_v3_v3(col, &ma->r);
glColor3fv(col);
}
}
else {
glColor3f(1.0, 1.0, 1.0);
}
}
return DM_DRAW_OPTION_NORMAL; /* normal drawing (no mcols anyway, no need to turn off) */
}
else {
return DM_DRAW_OPTION_NORMAL; /* Set color from mcol */
}
}
/* matching ED_space_image_color_sample() */
bool ED_space_clip_color_sample(SpaceClip *sc, ARegion *ar, int mval[2], float r_col[3])
{
ImBuf *ibuf;
float fx, fy, co[2];
bool ret = false;
ibuf = ED_space_clip_get_buffer(sc);
if (!ibuf) {
return false;
}
/* map the mouse coords to the backdrop image space */
ED_clip_mouse_pos(sc, ar, mval, co);
fx = co[0];
fy = co[1];
if (fx >= 0.0f && fy >= 0.0f && fx < 1.0f && fy < 1.0f) {
float *fp;
unsigned char *cp;
int x = (int)(fx * ibuf->x), y = (int)(fy * ibuf->y);
CLAMP(x, 0, ibuf->x - 1);
CLAMP(y, 0, ibuf->y - 1);
if (ibuf->rect_float) {
fp = (ibuf->rect_float + (ibuf->channels) * (y * ibuf->x + x));
linearrgb_to_srgb_v3_v3(r_col, fp);
ret = true;
}
else if (ibuf->rect) {
cp = (unsigned char *)(ibuf->rect + y * ibuf->x + x);
rgb_uchar_to_float(r_col, cp);
ret = true;
}
}
return ret;
}
MINLINE void linearrgb_to_srgb_v4(float srgb[4], const float linear[4])
{
linearrgb_to_srgb_v3_v3(srgb, linear);
srgb[3] = linear[3];
}
/* float to byte pixels, output 4-channel RGBA */
void IMB_buffer_byte_from_float(uchar *rect_to,
const float *rect_from,
int channels_from,
float dither,
int profile_to,
int profile_from,
bool predivide,
int width,
int height,
int stride_to,
int stride_from)
{
float tmp[4];
int x, y;
DitherContext *di = NULL;
float inv_width = 1.0f / width;
float inv_height = 1.0f / height;
/* we need valid profiles */
BLI_assert(profile_to != IB_PROFILE_NONE);
BLI_assert(profile_from != IB_PROFILE_NONE);
if (dither) {
di = create_dither_context(dither);
}
for (y = 0; y < height; y++) {
float t = y * inv_height;
if (channels_from == 1) {
/* single channel input */
const float *from = rect_from + ((size_t)stride_from) * y;
uchar *to = rect_to + ((size_t)stride_to) * y * 4;
for (x = 0; x < width; x++, from++, to += 4) {
to[0] = to[1] = to[2] = to[3] = unit_float_to_uchar_clamp(from[0]);
}
}
else if (channels_from == 3) {
/* RGB input */
const float *from = rect_from + ((size_t)stride_from) * y * 3;
uchar *to = rect_to + ((size_t)stride_to) * y * 4;
if (profile_to == profile_from) {
/* no color space conversion */
for (x = 0; x < width; x++, from += 3, to += 4) {
rgb_float_to_uchar(to, from);
to[3] = 255;
}
}
else if (profile_to == IB_PROFILE_SRGB) {
/* convert from linear to sRGB */
for (x = 0; x < width; x++, from += 3, to += 4) {
linearrgb_to_srgb_v3_v3(tmp, from);
rgb_float_to_uchar(to, tmp);
to[3] = 255;
}
}
else if (profile_to == IB_PROFILE_LINEAR_RGB) {
/* convert from sRGB to linear */
for (x = 0; x < width; x++, from += 3, to += 4) {
srgb_to_linearrgb_v3_v3(tmp, from);
rgb_float_to_uchar(to, tmp);
to[3] = 255;
}
}
}
else if (channels_from == 4) {
/* RGBA input */
const float *from = rect_from + ((size_t)stride_from) * y * 4;
uchar *to = rect_to + ((size_t)stride_to) * y * 4;
if (profile_to == profile_from) {
float straight[4];
/* no color space conversion */
if (dither && predivide) {
for (x = 0; x < width; x++, from += 4, to += 4) {
premul_to_straight_v4_v4(straight, from);
float_to_byte_dither_v4(to, straight, di, (float)x * inv_width, t);
}
}
else if (dither) {
for (x = 0; x < width; x++, from += 4, to += 4) {
float_to_byte_dither_v4(to, from, di, (float)x * inv_width, t);
}
}
else if (predivide) {
for (x = 0; x < width; x++, from += 4, to += 4) {
premul_to_straight_v4_v4(straight, from);
rgba_float_to_uchar(to, straight);
}
}
else {
for (x = 0; x < width; x++, from += 4, to += 4) {
rgba_float_to_uchar(to, from);
}
}
}
else if (profile_to == IB_PROFILE_SRGB) {
/* convert from linear to sRGB */
unsigned short us[4];
float straight[4];
if (dither && predivide) {
for (x = 0; x < width; x++, from += 4, to += 4) {
premul_to_straight_v4_v4(straight, from);
linearrgb_to_srgb_ushort4(us, from);
ushort_to_byte_dither_v4(to, us, di, (float)x * inv_width, t);
}
}
else if (dither) {
for (x = 0; x < width; x++, from += 4, to += 4) {
linearrgb_to_srgb_ushort4(us, from);
ushort_to_byte_dither_v4(to, us, di, (float)x * inv_width, t);
}
}
else if (predivide) {
for (x = 0; x < width; x++, from += 4, to += 4) {
premul_to_straight_v4_v4(straight, from);
linearrgb_to_srgb_ushort4(us, from);
ushort_to_byte_v4(to, us);
}
}
else {
for (x = 0; x < width; x++, from += 4, to += 4) {
linearrgb_to_srgb_ushort4(us, from);
ushort_to_byte_v4(to, us);
}
}
}
else if (profile_to == IB_PROFILE_LINEAR_RGB) {
/* convert from sRGB to linear */
if (dither && predivide) {
for (x = 0; x < width; x++, from += 4, to += 4) {
srgb_to_linearrgb_predivide_v4(tmp, from);
float_to_byte_dither_v4(to, tmp, di, (float)x * inv_width, t);
}
}
else if (dither) {
for (x = 0; x < width; x++, from += 4, to += 4) {
srgb_to_linearrgb_v4(tmp, from);
float_to_byte_dither_v4(to, tmp, di, (float)x * inv_width, t);
}
}
else if (predivide) {
for (x = 0; x < width; x++, from += 4, to += 4) {
srgb_to_linearrgb_predivide_v4(tmp, from);
rgba_float_to_uchar(to, tmp);
}
}
else {
for (x = 0; x < width; x++, from += 4, to += 4) {
srgb_to_linearrgb_v4(tmp, from);
rgba_float_to_uchar(to, tmp);
}
}
}
}
}
if (dither) {
clear_dither_context(di);
}
}
/* float to float pixels, output 4-channel RGBA */
void IMB_buffer_float_from_float(float *rect_to,
const float *rect_from,
int channels_from,
int profile_to,
int profile_from,
bool predivide,
int width,
int height,
int stride_to,
int stride_from)
{
int x, y;
/* we need valid profiles */
BLI_assert(profile_to != IB_PROFILE_NONE);
BLI_assert(profile_from != IB_PROFILE_NONE);
if (channels_from == 1) {
/* single channel input */
for (y = 0; y < height; y++) {
const float *from = rect_from + ((size_t)stride_from) * y;
float *to = rect_to + ((size_t)stride_to) * y * 4;
for (x = 0; x < width; x++, from++, to += 4) {
to[0] = to[1] = to[2] = to[3] = from[0];
}
}
}
else if (channels_from == 3) {
/* RGB input */
for (y = 0; y < height; y++) {
const float *from = rect_from + ((size_t)stride_from) * y * 3;
float *to = rect_to + ((size_t)stride_to) * y * 4;
if (profile_to == profile_from) {
/* no color space conversion */
for (x = 0; x < width; x++, from += 3, to += 4) {
copy_v3_v3(to, from);
to[3] = 1.0f;
}
}
else if (profile_to == IB_PROFILE_LINEAR_RGB) {
/* convert from sRGB to linear */
for (x = 0; x < width; x++, from += 3, to += 4) {
srgb_to_linearrgb_v3_v3(to, from);
to[3] = 1.0f;
}
}
else if (profile_to == IB_PROFILE_SRGB) {
/* convert from linear to sRGB */
for (x = 0; x < width; x++, from += 3, to += 4) {
linearrgb_to_srgb_v3_v3(to, from);
to[3] = 1.0f;
}
}
}
}
else if (channels_from == 4) {
/* RGBA input */
for (y = 0; y < height; y++) {
const float *from = rect_from + ((size_t)stride_from) * y * 4;
float *to = rect_to + ((size_t)stride_to) * y * 4;
if (profile_to == profile_from) {
/* same profile, copy */
memcpy(to, from, sizeof(float) * ((size_t)4) * width);
}
else if (profile_to == IB_PROFILE_LINEAR_RGB) {
/* convert to sRGB to linear */
if (predivide) {
for (x = 0; x < width; x++, from += 4, to += 4) {
srgb_to_linearrgb_predivide_v4(to, from);
}
}
else {
for (x = 0; x < width; x++, from += 4, to += 4) {
srgb_to_linearrgb_v4(to, from);
}
}
}
else if (profile_to == IB_PROFILE_SRGB) {
/* convert from linear to sRGB */
if (predivide) {
for (x = 0; x < width; x++, from += 4, to += 4) {
linearrgb_to_srgb_predivide_v4(to, from);
}
}
else {
for (x = 0; x < width; x++, from += 4, to += 4) {
linearrgb_to_srgb_v4(to, from);
}
}
}
}
}
}
int imb_savetiff(ImBuf *ibuf, const char *name, int flags)
{
TIFF *image = NULL;
uint16 samplesperpixel, bitspersample;
size_t npixels;
unsigned char *pixels = NULL;
unsigned char *from = NULL, *to = NULL;
unsigned short *pixels16 = NULL, *to16 = NULL;
float *fromf = NULL;
float xres, yres;
int x, y, from_i, to_i, i;
/* check for a valid number of bytes per pixel. Like the PNG writer,
* the TIFF writer supports 1, 3 or 4 bytes per pixel, corresponding
* to gray, RGB, RGBA respectively. */
samplesperpixel = (uint16)((ibuf->planes + 7) >> 3);
if ((samplesperpixel > 4) || (samplesperpixel == 2)) {
fprintf(stderr,
"imb_savetiff: unsupported number of bytes per "
"pixel: %d\n", samplesperpixel);
return (0);
}
if ((ibuf->ftype & TIF_16BIT) && ibuf->rect_float)
bitspersample = 16;
else
bitspersample = 8;
/* open TIFF file for writing */
if (flags & IB_mem) {
/* bork at the creation of a TIFF in memory */
fprintf(stderr,
"imb_savetiff: creation of in-memory TIFF files is "
"not yet supported.\n");
return (0);
}
else {
/* create image as a file */
#ifdef WIN32
wchar_t *wname = alloc_utf16_from_8(name, 0);
image = TIFFOpenW(wname, "w");
free(wname);
#else
image = TIFFOpen(name, "w");
#endif
}
if (image == NULL) {
fprintf(stderr,
"imb_savetiff: could not open TIFF for writing.\n");
return (0);
}
/* allocate array for pixel data */
npixels = ibuf->x * ibuf->y;
if (bitspersample == 16)
pixels16 = (unsigned short *)_TIFFmalloc(npixels *
samplesperpixel * sizeof(unsigned short));
else
pixels = (unsigned char *)_TIFFmalloc(npixels *
samplesperpixel * sizeof(unsigned char));
if (pixels == NULL && pixels16 == NULL) {
fprintf(stderr,
"imb_savetiff: could not allocate pixels array.\n");
TIFFClose(image);
return (0);
}
/* setup pointers */
if (bitspersample == 16) {
fromf = ibuf->rect_float;
to16 = pixels16;
}
else {
from = (unsigned char *)ibuf->rect;
to = pixels;
}
/* setup samples per pixel */
TIFFSetField(image, TIFFTAG_BITSPERSAMPLE, bitspersample);
TIFFSetField(image, TIFFTAG_SAMPLESPERPIXEL, samplesperpixel);
if (samplesperpixel == 4) {
unsigned short extraSampleTypes[1];
if (bitspersample == 16)
extraSampleTypes[0] = EXTRASAMPLE_ASSOCALPHA;
else
extraSampleTypes[0] = EXTRASAMPLE_UNASSALPHA;
/* RGBA images */
TIFFSetField(image, TIFFTAG_EXTRASAMPLES, 1,
extraSampleTypes);
TIFFSetField(image, TIFFTAG_PHOTOMETRIC,
PHOTOMETRIC_RGB);
}
else if (samplesperpixel == 3) {
/* RGB images */
TIFFSetField(image, TIFFTAG_PHOTOMETRIC,
PHOTOMETRIC_RGB);
}
else if (samplesperpixel == 1) {
/* grayscale images, 1 channel */
TIFFSetField(image, TIFFTAG_PHOTOMETRIC,
PHOTOMETRIC_MINISBLACK);
}
/* copy pixel data. While copying, we flip the image vertically. */
for (x = 0; x < ibuf->x; x++) {
for (y = 0; y < ibuf->y; y++) {
from_i = 4 * (y * ibuf->x + x);
to_i = samplesperpixel * ((ibuf->y - y - 1) * ibuf->x + x);
if (pixels16) {
/* convert from float source */
float rgb[4];
if (ibuf->float_colorspace) {
/* float buffer was managed already, no need in color space conversion */
copy_v3_v3(rgb, &fromf[from_i]);
}
else {
/* standard linear-to-srgb conversion if float buffer wasn't managed */
linearrgb_to_srgb_v3_v3(rgb, &fromf[from_i]);
}
rgb[3] = fromf[from_i + 3];
for (i = 0; i < samplesperpixel; i++, to_i++)
to16[to_i] = FTOUSHORT(rgb[i]);
}
else {
for (i = 0; i < samplesperpixel; i++, to_i++, from_i++)
to[to_i] = from[from_i];
}
}
}
/* write the actual TIFF file */
TIFFSetField(image, TIFFTAG_IMAGEWIDTH, ibuf->x);
TIFFSetField(image, TIFFTAG_IMAGELENGTH, ibuf->y);
TIFFSetField(image, TIFFTAG_ROWSPERSTRIP, ibuf->y);
TIFFSetField(image, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(image, TIFFTAG_FILLORDER, FILLORDER_MSB2LSB);
TIFFSetField(image, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
if (ibuf->ppm[0] > 0.0 && ibuf->ppm[1] > 0.0) {
xres = (float)(ibuf->ppm[0] * 0.0254);
yres = (float)(ibuf->ppm[1] * 0.0254);
}
else {
xres = yres = IMB_DPI_DEFAULT;
}
TIFFSetField(image, TIFFTAG_XRESOLUTION, xres);
TIFFSetField(image, TIFFTAG_YRESOLUTION, yres);
TIFFSetField(image, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH);
if (TIFFWriteEncodedStrip(image, 0,
(bitspersample == 16) ? (unsigned char *)pixels16 : pixels,
ibuf->x * ibuf->y * samplesperpixel * bitspersample / 8) == -1)
{
fprintf(stderr,
"imb_savetiff: Could not write encoded TIFF.\n");
TIFFClose(image);
if (pixels) _TIFFfree(pixels);
if (pixels16) _TIFFfree(pixels16);
return (1);
}
/* close the TIFF file */
TIFFClose(image);
if (pixels) _TIFFfree(pixels);
if (pixels16) _TIFFfree(pixels16);
return (1);
}
static void fill_bins(bNode* node, CompBuf* in, int* bins, int colorcor)
{
float value[4];
int ivalue=0;
int x,y;
/*fill bins */
for(y=0; y<in->y; y++) {
for(x=0; x<in->x; x++) {
/* get the pixel */
qd_getPixel(in, x, y, value);
if(value[3] > 0.0) { /* don't count transparent pixels */
switch(node->custom1) {
case 1: { /* all colors */
if(colorcor)
linearrgb_to_srgb_v3_v3(&value[0],&value[0]);
rgb_tobw(value[0],value[1],value[2], &value[0]);
value[0]=value[0]*255; /* scale to 0-255 range */
ivalue=(int)value[0];
break;
}
case 2: { /* red channel */
if(colorcor)
value[0]=linearrgb_to_srgb(value[0]);
value[0]=value[0]*255; /* scale to 0-255 range */
ivalue=(int)value[0];
break;
}
case 3: { /* green channel */
if(colorcor)
value[1]=linearrgb_to_srgb(value[1]);
value[1]=value[1]*255; /* scale to 0-255 range */
ivalue=(int)value[1];
break;
}
case 4: /*blue channel */
{
if(colorcor)
value[2]=linearrgb_to_srgb(value[2]);
value[2]=value[2]*255; /* scale to 0-255 range */
ivalue=(int)value[2];
break;
}
case 5: /* luminence */
{
if(colorcor)
linearrgb_to_srgb_v3_v3(&value[0],&value[0]);
rgb_to_yuv(value[0],value[1],value[2], &value[0], &value[1], &value[2]);
value[0]=value[0]*255; /* scale to 0-255 range */
ivalue=(int)value[0];
break;
}
} /*end switch */
/*clip*/
if(ivalue<0) ivalue=0;
if(ivalue>255) ivalue=255;
/*put in the correct bin*/
bins[ivalue]+=1;
} /*end if alpha */
}
}
}
static void bake_shade(void *handle, Object *ob, ShadeInput *shi, int UNUSED(quad), int x, int y, float UNUSED(u), float UNUSED(v), float *tvn, float *ttang)
{
BakeShade *bs = handle;
ShadeSample *ssamp = &bs->ssamp;
ShadeResult shr;
VlakRen *vlr = shi->vlr;
shade_input_init_material(shi);
if (bs->type == RE_BAKE_AO) {
ambient_occlusion(shi);
if (R.r.bake_flag & R_BAKE_NORMALIZE) {
copy_v3_v3(shr.combined, shi->ao);
}
else {
zero_v3(shr.combined);
environment_lighting_apply(shi, &shr);
}
}
else {
if (bs->type == RE_BAKE_SHADOW) /* Why do shadows set the color anyhow?, ignore material color for baking */
shi->r = shi->g = shi->b = 1.0f;
shade_input_set_shade_texco(shi);
/* only do AO for a full bake (and obviously AO bakes)
* AO for light bakes is a leftover and might not be needed */
if (ELEM3(bs->type, RE_BAKE_ALL, RE_BAKE_AO, RE_BAKE_LIGHT))
shade_samples_do_AO(ssamp);
if (shi->mat->nodetree && shi->mat->use_nodes) {
ntreeShaderExecTree(shi->mat->nodetree, shi, &shr);
shi->mat = vlr->mat; /* shi->mat is being set in nodetree */
}
else
shade_material_loop(shi, &shr);
if (bs->type == RE_BAKE_NORMALS) {
float nor[3];
copy_v3_v3(nor, shi->vn);
if (R.r.bake_normal_space == R_BAKE_SPACE_CAMERA) {
/* pass */
}
else if (R.r.bake_normal_space == R_BAKE_SPACE_TANGENT) {
float mat[3][3], imat[3][3];
/* bitangent */
if (tvn && ttang) {
copy_v3_v3(mat[0], ttang);
cross_v3_v3v3(mat[1], tvn, ttang);
mul_v3_fl(mat[1], ttang[3]);
copy_v3_v3(mat[2], tvn);
}
else {
copy_v3_v3(mat[0], shi->nmaptang);
cross_v3_v3v3(mat[1], shi->nmapnorm, shi->nmaptang);
mul_v3_fl(mat[1], shi->nmaptang[3]);
copy_v3_v3(mat[2], shi->nmapnorm);
}
invert_m3_m3(imat, mat);
mul_m3_v3(imat, nor);
}
else if (R.r.bake_normal_space == R_BAKE_SPACE_OBJECT)
mul_mat3_m4_v3(ob->imat_ren, nor); /* ob->imat_ren includes viewinv! */
else if (R.r.bake_normal_space == R_BAKE_SPACE_WORLD)
mul_mat3_m4_v3(R.viewinv, nor);
normalize_v3(nor); /* in case object has scaling */
/* The invert of the red channel is to make
* the normal map compliant with the outside world.
* It needs to be done because in Blender
* the normal used in the renderer points inward. It is generated
* this way in calc_vertexnormals(). Should this ever change
* this negate must be removed. */
shr.combined[0] = (-nor[0]) / 2.0f + 0.5f;
shr.combined[1] = nor[1] / 2.0f + 0.5f;
shr.combined[2] = nor[2] / 2.0f + 0.5f;
}
else if (bs->type == RE_BAKE_TEXTURE) {
copy_v3_v3(shr.combined, &shi->r);
shr.alpha = shi->alpha;
}
else if (bs->type == RE_BAKE_SHADOW) {
copy_v3_v3(shr.combined, shr.shad);
shr.alpha = shi->alpha;
}
else if (bs->type == RE_BAKE_SPEC_COLOR) {
copy_v3_v3(shr.combined, &shi->specr);
shr.alpha = 1.0f;
}
else if (bs->type == RE_BAKE_SPEC_INTENSITY) {
copy_v3_fl(shr.combined, shi->spec);
shr.alpha = 1.0f;
}
else if (bs->type == RE_BAKE_MIRROR_COLOR) {
copy_v3_v3(shr.combined, &shi->mirr);
shr.alpha = 1.0f;
}
else if (bs->type == RE_BAKE_MIRROR_INTENSITY) {
copy_v3_fl(shr.combined, shi->ray_mirror);
shr.alpha = 1.0f;
}
else if (bs->type == RE_BAKE_ALPHA) {
copy_v3_fl(shr.combined, shi->alpha);
shr.alpha = 1.0f;
}
else if (bs->type == RE_BAKE_EMIT) {
copy_v3_fl(shr.combined, shi->emit);
shr.alpha = 1.0f;
}
else if (bs->type == RE_BAKE_VERTEX_COLORS) {
copy_v3_v3(shr.combined, shi->vcol);
shr.alpha = shi->vcol[3];
}
}
if (bs->rect_float && !bs->vcol) {
float *col = bs->rect_float + 4 * (bs->rectx * y + x);
copy_v3_v3(col, shr.combined);
if (bs->type == RE_BAKE_ALL || bs->type == RE_BAKE_TEXTURE || bs->type == RE_BAKE_VERTEX_COLORS) {
col[3] = shr.alpha;
}
else {
col[3] = 1.0;
}
}
else {
/* Target is char (LDR). */
unsigned char col[4];
if (ELEM(bs->type, RE_BAKE_ALL, RE_BAKE_TEXTURE)) {
float rgb[3];
copy_v3_v3(rgb, shr.combined);
if (R.scene_color_manage) {
/* Vertex colors have no way to specify color space, so they
* default to sRGB. */
if (!bs->vcol)
IMB_colormanagement_scene_linear_to_colorspace_v3(rgb, bs->rect_colorspace);
else
linearrgb_to_srgb_v3_v3(rgb, rgb);
}
rgb_float_to_uchar(col, rgb);
}
else {
rgb_float_to_uchar(col, shr.combined);
}
if (ELEM3(bs->type, RE_BAKE_ALL, RE_BAKE_TEXTURE, RE_BAKE_VERTEX_COLORS)) {
col[3] = FTOCHAR(shr.alpha);
}
else {
col[3] = 255;
}
if (bs->vcol) {
/* Vertex color baking. Vcol has no useful alpha channel (it exists
* but is used only for vertex painting). */
bs->vcol->r = col[0];
bs->vcol->g = col[1];
bs->vcol->b = col[2];
}
else {
unsigned char *imcol = (unsigned char *)(bs->rect + bs->rectx * y + x);
copy_v4_v4_char((char *)imcol, (char *)col);
}
}
if (bs->rect_mask) {
bs->rect_mask[bs->rectx * y + x] = FILTER_MASK_USED;
}
if (bs->do_update) {
*bs->do_update = true;
}
}
/* update rectangular section of the brush image */
static void brush_painter_imbuf_update(BrushPainter *painter, ImBuf *oldtexibuf,
int origx, int origy, int w, int h, int xt, int yt)
{
Scene *scene = painter->scene;
Brush *brush = painter->brush;
rctf tex_mapping = painter->tex_mapping;
rctf mask_mapping = painter->mask_mapping;
struct ImagePool *pool = painter->pool;
bool use_masking = painter->cache.use_masking;
bool use_color_correction = painter->cache.use_color_correction;
bool use_float = painter->cache.use_float;
bool is_texbrush = painter->cache.is_texbrush;
bool is_maskbrush = painter->cache.is_maskbrush;
bool use_texture_old = (oldtexibuf != NULL);
int x, y, thread = 0;
float brush_rgb[3];
ImBuf *ibuf = painter->cache.ibuf;
ImBuf *texibuf = painter->cache.texibuf;
unsigned short *mask = painter->cache.mask;
/* get brush color */
if (brush->imagepaint_tool == PAINT_TOOL_DRAW) {
copy_v3_v3(brush_rgb, brush->rgb);
if (use_color_correction)
srgb_to_linearrgb_v3_v3(brush_rgb, brush_rgb);
}
else {
brush_rgb[0] = 1.0f;
brush_rgb[1] = 1.0f;
brush_rgb[2] = 1.0f;
}
/* fill pixes */
for (y = origy; y < h; y++) {
for (x = origx; x < w; x++) {
/* sample texture and multiply with brush color */
float texco[3], rgba[4];
if (!use_texture_old) {
if (is_texbrush) {
brush_imbuf_tex_co(&tex_mapping, x, y, texco);
BKE_brush_sample_tex_3D(scene, brush, texco, rgba, thread, pool);
/* TODO(sergey): Support texture paint color space. */
if (!use_float) {
linearrgb_to_srgb_v3_v3(rgba, rgba);
}
mul_v3_v3(rgba, brush_rgb);
}
else {
copy_v3_v3(rgba, brush_rgb);
rgba[3] = 1.0f;
}
if (is_maskbrush) {
brush_imbuf_tex_co(&mask_mapping, x, y, texco);
rgba[3] *= BKE_brush_sample_masktex(scene, brush, texco, thread, pool);
}
}
if (use_float) {
/* handle float pixel */
float *bf = ibuf->rect_float + (y * ibuf->x + x) * 4;
float *tf = texibuf->rect_float + (y * texibuf->x + x) * 4;
/* read from old texture buffer */
if (use_texture_old) {
float *otf = oldtexibuf->rect_float + ((y - origy + yt) * oldtexibuf->x + (x - origx + xt)) * 4;
copy_v4_v4(rgba, otf);
}
/* write to new texture buffer */
copy_v4_v4(tf, rgba);
/* if not using masking, multiply in the mask now */
if (!use_masking) {
unsigned short *m = mask + (y * ibuf->x + x);
rgba[3] *= *m * (1.0f / 65535.0f);
}
/* output premultiplied float image, mf was already premultiplied */
mul_v3_v3fl(bf, rgba, rgba[3]);
bf[3] = rgba[3];
}
else {
unsigned char crgba[4];
/* handle byte pixel */
unsigned char *b = (unsigned char *)ibuf->rect + (y * ibuf->x + x) * 4;
unsigned char *t = (unsigned char *)texibuf->rect + (y * texibuf->x + x) * 4;
/* read from old texture buffer */
if (use_texture_old) {
unsigned char *ot = (unsigned char *)oldtexibuf->rect + ((y - origy + yt) * oldtexibuf->x + (x - origx + xt)) * 4;
crgba[0] = ot[0];
crgba[1] = ot[1];
crgba[2] = ot[2];
crgba[3] = ot[3];
}
else
rgba_float_to_uchar(crgba, rgba);
/* write to new texture buffer */
t[0] = crgba[0];
t[1] = crgba[1];
t[2] = crgba[2];
t[3] = crgba[3];
/* if not using masking, multiply in the mask now */
if (!use_masking) {
unsigned short *m = mask + (y * ibuf->x + x);
crgba[3] = (crgba[3] * (*m)) / 65535;
}
/* write to brush image buffer */
b[0] = crgba[0];
b[1] = crgba[1];
b[2] = crgba[2];
b[3] = crgba[3];
}
}
}
}
/* converts from linear float to sRGB byte for part of the texture, buffer will hold the changed part */
void IMB_partial_rect_from_float(struct ImBuf *ibuf,float *buffer, int x, int y, int w, int h)
{
/* indices to source and destination image pixels */
float *srcFloatPxl;
unsigned char *dstBytePxl;
/* buffer index will fill buffer */
float *bufferIndex;
/* convenience pointers to start of image buffers */
float *init_srcFloatPxl = (float *)ibuf->rect_float;
unsigned char *init_dstBytePxl = (unsigned char *) ibuf->rect;
/* Dithering factor */
float dither= ibuf->dither / 255.0f;
/* respective attributes of image */
short profile= ibuf->profile;
int channels= ibuf->channels;
int i, j;
/*
if called -only- from GPU_paint_update_image this test will never fail
but leaving it here for better or worse
*/
if(init_srcFloatPxl==NULL || (buffer == NULL)){
return;
}
if(init_dstBytePxl==NULL) {
imb_addrectImBuf(ibuf);
init_dstBytePxl = (unsigned char *) ibuf->rect;
}
if(channels==1) {
for (j = 0; j < h; j++){
bufferIndex = buffer + w*j*4;
dstBytePxl = init_dstBytePxl + (ibuf->x*(y + j) + x)*4;
srcFloatPxl = init_srcFloatPxl + (ibuf->x*(y + j) + x);
for(i = 0; i < w; i++, dstBytePxl+=4, srcFloatPxl++, bufferIndex+=4) {
dstBytePxl[1]= dstBytePxl[2]= dstBytePxl[3]= dstBytePxl[0] = FTOCHAR(srcFloatPxl[0]);
bufferIndex[0] = bufferIndex[1] = bufferIndex[2] = bufferIndex[3] = srcFloatPxl[0];
}
}
}
else if (profile == IB_PROFILE_LINEAR_RGB) {
if(channels == 3) {
for (j = 0; j < h; j++){
bufferIndex = buffer + w*j*4;
dstBytePxl = init_dstBytePxl + (ibuf->x*(y + j) + x)*4;
srcFloatPxl = init_srcFloatPxl + (ibuf->x*(y + j) + x)*3;
for(i = 0; i < w; i++, dstBytePxl+=4, srcFloatPxl+=3, bufferIndex += 4) {
linearrgb_to_srgb_v3_v3(bufferIndex, srcFloatPxl);
F3TOCHAR4(bufferIndex, dstBytePxl);
bufferIndex[3]= 1.0;
}
}
}
else if (channels == 4) {
if (dither != 0.f) {
for (j = 0; j < h; j++){
bufferIndex = buffer + w*j*4;
dstBytePxl = init_dstBytePxl + (ibuf->x*(y + j) + x)*4;
srcFloatPxl = init_srcFloatPxl + (ibuf->x*(y + j) + x)*4;
for(i = 0; i < w; i++, dstBytePxl+=4, srcFloatPxl+=4, bufferIndex+=4) {
const float d = (BLI_frand()-0.5f)*dither;
linearrgb_to_srgb_v3_v3(bufferIndex, srcFloatPxl);
bufferIndex[3] = srcFloatPxl[3];
add_v4_fl(bufferIndex, d);
F4TOCHAR4(bufferIndex, dstBytePxl);
}
}
} else {
for (j = 0; j < h; j++){
bufferIndex = buffer + w*j*4;
dstBytePxl = init_dstBytePxl + (ibuf->x*(y + j) + x)*4;
srcFloatPxl = init_srcFloatPxl + (ibuf->x*(y + j) + x)*4;
for(i = 0; i < w; i++, dstBytePxl+=4, srcFloatPxl+=4, bufferIndex+=4) {
linearrgb_to_srgb_v3_v3(bufferIndex, srcFloatPxl);
bufferIndex[3]= srcFloatPxl[3];
F4TOCHAR4(bufferIndex, dstBytePxl);
}
}
}
}
}
else if(ELEM(profile, IB_PROFILE_NONE, IB_PROFILE_SRGB)) {
if(channels==3) {
for (j = 0; j < h; j++){
bufferIndex = buffer + w*j*4;
dstBytePxl = init_dstBytePxl + (ibuf->x*(y + j) + x)*4;
srcFloatPxl = init_srcFloatPxl + (ibuf->x*(y + j) + x)*3;
for(i = 0; i < w; i++, dstBytePxl+=4, srcFloatPxl+=3, bufferIndex+=4) {
copy_v3_v3(bufferIndex, srcFloatPxl);
F3TOCHAR4(bufferIndex, dstBytePxl);
bufferIndex[3] = 1.0;
}
}
}
else {
if (dither != 0.f) {
for (j = 0; j < h; j++){
bufferIndex = buffer + w*j*4;
dstBytePxl = init_dstBytePxl + (ibuf->x*(y + j) + x)*4;
srcFloatPxl = init_srcFloatPxl + (ibuf->x*(y + j) + x)*4;
for(i = 0; i < w; i++, dstBytePxl+=4, srcFloatPxl+=4, bufferIndex+=4) {
const float d = (BLI_frand()-0.5f)*dither;
copy_v4_v4(bufferIndex, srcFloatPxl);
add_v4_fl(bufferIndex,d);
F4TOCHAR4(bufferIndex, dstBytePxl);
}
}
} else {
for (j = 0; j < h; j++){
bufferIndex = buffer + w*j*4;
dstBytePxl = init_dstBytePxl + (ibuf->x*(y + j) + x)*4;
srcFloatPxl = init_srcFloatPxl + (ibuf->x*(y + j) + x)*4;
for(i = 0; i < w; i++, dstBytePxl+=4, srcFloatPxl+=4, bufferIndex+=4) {
copy_v4_v4(bufferIndex, srcFloatPxl);
F4TOCHAR4(bufferIndex, dstBytePxl);
}
}
}
}
}
/* ensure user flag is reset */
ibuf->userflags &= ~IB_RECT_INVALID;
}
/* used for both 3d view and image window */
void paint_sample_color(bContext *C, ARegion *ar, int x, int y, bool texpaint_proj, bool use_palette)
{
Scene *scene = CTX_data_scene(C);
Paint *paint = BKE_paint_get_active_from_context(C);
Palette *palette = BKE_paint_palette(paint);
PaletteColor *color;
Brush *br = BKE_paint_brush(BKE_paint_get_active_from_context(C));
unsigned int col;
const unsigned char *cp;
CLAMP(x, 0, ar->winx);
CLAMP(y, 0, ar->winy);
if (use_palette) {
if (!palette) {
palette = BKE_palette_add(CTX_data_main(C), "Palette");
BKE_paint_palette_set(paint, palette);
}
color = BKE_palette_color_add(palette);
}
if (CTX_wm_view3d(C) && texpaint_proj) {
/* first try getting a colour directly from the mesh faces if possible */
Object *ob = OBACT;
bool sample_success = false;
if (ob) {
DerivedMesh *dm = mesh_get_derived_final(scene, ob, CD_MASK_BAREMESH);
ViewContext vc;
const int mval[2] = {x, y};
unsigned int faceindex;
unsigned int totface = dm->getNumTessFaces(dm);
MTFace *dm_mtface = dm->getTessFaceDataArray(dm, CD_MTFACE);
DM_update_materials(dm, ob);
if (dm_mtface) {
view3d_set_viewcontext(C, &vc);
view3d_operator_needs_opengl(C);
if (imapaint_pick_face(&vc, mval, &faceindex, totface)) {
Image *image = imapaint_face_image(dm, faceindex);
ImBuf *ibuf = BKE_image_acquire_ibuf(image, NULL, NULL);
if (ibuf && ibuf->rect) {
float uv[2];
float u, v;
imapaint_pick_uv(scene, ob, faceindex, mval, uv);
sample_success = true;
u = fmodf(uv[0], 1.0f);
v = fmodf(uv[1], 1.0f);
if (u < 0.0f) u += 1.0f;
if (v < 0.0f) v += 1.0f;
u = u * ibuf->x - 0.5f;
v = v * ibuf->y - 0.5f;
if (ibuf->rect_float) {
float rgba_f[4];
bilinear_interpolation_color_wrap(ibuf, NULL, rgba_f, u, v);
straight_to_premul_v4(rgba_f);
if (use_palette) {
linearrgb_to_srgb_v3_v3(color->rgb, rgba_f);
}
else {
linearrgb_to_srgb_v3_v3(rgba_f, rgba_f);
BKE_brush_color_set(scene, br, rgba_f);
}
}
else {
unsigned char rgba[4];
bilinear_interpolation_color_wrap(ibuf, rgba, NULL, u, v);
if (use_palette) {
rgb_uchar_to_float(color->rgb, rgba);
}
else {
float rgba_f[3];
rgb_uchar_to_float(rgba_f, rgba);
BKE_brush_color_set(scene, br, rgba_f);
}
}
}
BKE_image_release_ibuf(image, ibuf, NULL);
}
}
dm->release(dm);
}
if (!sample_success) {
glReadBuffer(GL_FRONT);
glReadPixels(x + ar->winrct.xmin, y + ar->winrct.ymin, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &col);
glReadBuffer(GL_BACK);
}
else
return;
}
else {
glReadBuffer(GL_FRONT);
glReadPixels(x + ar->winrct.xmin, y + ar->winrct.ymin, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &col);
glReadBuffer(GL_BACK);
}
cp = (unsigned char *)&col;
if (use_palette) {
rgb_uchar_to_float(color->rgb, cp);
}
else {
float rgba_f[3];
rgb_uchar_to_float(rgba_f, cp);
BKE_brush_color_set(scene, br, rgba_f);
}
}
void ui_draw_but_CURVE(ARegion *ar, uiBut *but, uiWidgetColors *wcol, rcti *rect)
{
CurveMapping *cumap;
CurveMap *cuma;
CurveMapPoint *cmp;
float fx, fy, fac[2], zoomx, zoomy, offsx, offsy;
GLint scissor[4];
rcti scissor_new;
int a;
if (but->editcumap) {
cumap = but->editcumap;
}
else {
cumap = (CurveMapping *)but->poin;
}
cuma = &cumap->cm[cumap->cur];
/* need scissor test, curve can draw outside of boundary */
glGetIntegerv(GL_VIEWPORT, scissor);
scissor_new.xmin = ar->winrct.xmin + rect->xmin;
scissor_new.ymin = ar->winrct.ymin + rect->ymin;
scissor_new.xmax = ar->winrct.xmin + rect->xmax;
scissor_new.ymax = ar->winrct.ymin + rect->ymax;
BLI_rcti_isect(&scissor_new, &ar->winrct, &scissor_new);
glScissor(scissor_new.xmin,
scissor_new.ymin,
BLI_rcti_size_x(&scissor_new),
BLI_rcti_size_y(&scissor_new));
/* calculate offset and zoom */
zoomx = (BLI_rcti_size_x(rect) - 2.0f * but->aspect) / BLI_rctf_size_x(&cumap->curr);
zoomy = (BLI_rcti_size_y(rect) - 2.0f * but->aspect) / BLI_rctf_size_y(&cumap->curr);
offsx = cumap->curr.xmin - but->aspect / zoomx;
offsy = cumap->curr.ymin - but->aspect / zoomy;
/* backdrop */
if (but->a1 == UI_GRAD_H) {
/* magic trigger for curve backgrounds */
rcti grid;
float col[3] = {0.0f, 0.0f, 0.0f}; /* dummy arg */
grid.xmin = rect->xmin + zoomx * (-offsx);
grid.xmax = rect->xmax + zoomx * (-offsx);
grid.ymin = rect->ymin + zoomy * (-offsy);
grid.ymax = rect->ymax + zoomy * (-offsy);
ui_draw_gradient(&grid, col, UI_GRAD_H, 1.0f);
/* grid, hsv uses different grid */
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4ub(0, 0, 0, 48);
ui_draw_but_curve_grid(rect, zoomx, zoomy, offsx, offsy, 0.1666666f);
glDisable(GL_BLEND);
}
else {
if (cumap->flag & CUMA_DO_CLIP) {
gl_shaded_color((unsigned char *)wcol->inner, -20);
glRectf(rect->xmin, rect->ymin, rect->xmax, rect->ymax);
glColor3ubv((unsigned char *)wcol->inner);
glRectf(rect->xmin + zoomx * (cumap->clipr.xmin - offsx),
rect->ymin + zoomy * (cumap->clipr.ymin - offsy),
rect->xmin + zoomx * (cumap->clipr.xmax - offsx),
rect->ymin + zoomy * (cumap->clipr.ymax - offsy));
}
else {
glColor3ubv((unsigned char *)wcol->inner);
glRectf(rect->xmin, rect->ymin, rect->xmax, rect->ymax);
}
/* grid, every 0.25 step */
gl_shaded_color((unsigned char *)wcol->inner, -16);
ui_draw_but_curve_grid(rect, zoomx, zoomy, offsx, offsy, 0.25f);
/* grid, every 1.0 step */
gl_shaded_color((unsigned char *)wcol->inner, -24);
ui_draw_but_curve_grid(rect, zoomx, zoomy, offsx, offsy, 1.0f);
/* axes */
gl_shaded_color((unsigned char *)wcol->inner, -50);
glBegin(GL_LINES);
glVertex2f(rect->xmin, rect->ymin + zoomy * (-offsy));
glVertex2f(rect->xmax, rect->ymin + zoomy * (-offsy));
glVertex2f(rect->xmin + zoomx * (-offsx), rect->ymin);
glVertex2f(rect->xmin + zoomx * (-offsx), rect->ymax);
glEnd();
}
/* cfra option */
/* XXX 2.48 */
#if 0
if (cumap->flag & CUMA_DRAW_CFRA) {
glColor3ub(0x60, 0xc0, 0x40);
glBegin(GL_LINES);
glVertex2f(rect->xmin + zoomx * (cumap->sample[0] - offsx), rect->ymin);
glVertex2f(rect->xmin + zoomx * (cumap->sample[0] - offsx), rect->ymax);
glEnd();
}
#endif
/* sample option */
if (cumap->flag & CUMA_DRAW_SAMPLE) {
if (but->a1 == UI_GRAD_H) {
float tsample[3];
float hsv[3];
linearrgb_to_srgb_v3_v3(tsample, cumap->sample);
rgb_to_hsv_v(tsample, hsv);
glColor3ub(240, 240, 240);
glBegin(GL_LINES);
glVertex2f(rect->xmin + zoomx * (hsv[0] - offsx), rect->ymin);
glVertex2f(rect->xmin + zoomx * (hsv[0] - offsx), rect->ymax);
glEnd();
}
else if (cumap->cur == 3) {
float lum = rgb_to_bw(cumap->sample);
glColor3ub(240, 240, 240);
glBegin(GL_LINES);
glVertex2f(rect->xmin + zoomx * (lum - offsx), rect->ymin);
glVertex2f(rect->xmin + zoomx * (lum - offsx), rect->ymax);
glEnd();
}
else {
if (cumap->cur == 0)
glColor3ub(240, 100, 100);
else if (cumap->cur == 1)
glColor3ub(100, 240, 100);
else
glColor3ub(100, 100, 240);
glBegin(GL_LINES);
glVertex2f(rect->xmin + zoomx * (cumap->sample[cumap->cur] - offsx), rect->ymin);
glVertex2f(rect->xmin + zoomx * (cumap->sample[cumap->cur] - offsx), rect->ymax);
glEnd();
}
}
/* the curve */
glColor3ubv((unsigned char *)wcol->item);
glEnable(GL_LINE_SMOOTH);
glEnable(GL_BLEND);
glBegin(GL_LINE_STRIP);
if (cuma->table == NULL)
curvemapping_changed(cumap, FALSE);
cmp = cuma->table;
/* first point */
if ((cuma->flag & CUMA_EXTEND_EXTRAPOLATE) == 0) {
glVertex2f(rect->xmin, rect->ymin + zoomy * (cmp[0].y - offsy));
}
else {
fx = rect->xmin + zoomx * (cmp[0].x - offsx + cuma->ext_in[0]);
fy = rect->ymin + zoomy * (cmp[0].y - offsy + cuma->ext_in[1]);
glVertex2f(fx, fy);
}
for (a = 0; a <= CM_TABLE; a++) {
fx = rect->xmin + zoomx * (cmp[a].x - offsx);
fy = rect->ymin + zoomy * (cmp[a].y - offsy);
glVertex2f(fx, fy);
}
/* last point */
if ((cuma->flag & CUMA_EXTEND_EXTRAPOLATE) == 0) {
glVertex2f(rect->xmax, rect->ymin + zoomy * (cmp[CM_TABLE].y - offsy));
}
else {
fx = rect->xmin + zoomx * (cmp[CM_TABLE].x - offsx - cuma->ext_out[0]);
fy = rect->ymin + zoomy * (cmp[CM_TABLE].y - offsy - cuma->ext_out[1]);
glVertex2f(fx, fy);
}
glEnd();
glDisable(GL_LINE_SMOOTH);
glDisable(GL_BLEND);
/* the points, use aspect to make them visible on edges */
cmp = cuma->curve;
glPointSize(3.0f);
bglBegin(GL_POINTS);
for (a = 0; a < cuma->totpoint; a++) {
if (cmp[a].flag & CUMA_SELECT)
UI_ThemeColor(TH_TEXT_HI);
else
UI_ThemeColor(TH_TEXT);
fac[0] = rect->xmin + zoomx * (cmp[a].x - offsx);
fac[1] = rect->ymin + zoomy * (cmp[a].y - offsy);
bglVertex2fv(fac);
}
bglEnd();
glPointSize(1.0f);
/* restore scissortest */
glScissor(scissor[0], scissor[1], scissor[2], scissor[3]);
/* outline */
glColor3ubv((unsigned char *)wcol->outline);
fdrawbox(rect->xmin, rect->ymin, rect->xmax, rect->ymax);
}
void draw_image_info(ARegion *ar, int color_manage, int channels, int x, int y, char *cp, float *fp, int *zp, float *zpf)
{
char str[256];
float dx= 6;
/* text colors */
/* XXX colored text not allowed in Blender UI */
#if 0
unsigned char red[3] = {255, 50, 50};
unsigned char green[3] = {0, 255, 0};
unsigned char blue[3] = {100, 100, 255};
#else
unsigned char red[3] = {255, 255, 255};
unsigned char green[3] = {255, 255, 255};
unsigned char blue[3] = {255, 255, 255};
#endif
float hue=0, sat=0, val=0, lum=0, u=0, v=0;
float col[4], finalcol[4];
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
/* noisy, high contrast make impossible to read if lower alpha is used. */
glColor4ub(0, 0, 0, 190);
glRecti(0.0, 0.0, ar->winrct.xmax - ar->winrct.xmin + 1, 20);
glDisable(GL_BLEND);
BLF_size(blf_mono_font, 11, 72);
glColor3ub(255, 255, 255);
sprintf(str, "X:%-4d Y:%-4d |", x, y);
// UI_DrawString(6, 6, str); // works ok but fixed width is nicer.
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
if(zp) {
glColor3ub(255, 255, 255);
sprintf(str, " Z:%-.4f |", 0.5f+0.5f*(((float)*zp)/(float)0x7fffffff));
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
}
if(zpf) {
glColor3ub(255, 255, 255);
sprintf(str, " Z:%-.3f |", *zpf);
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
}
if(channels >= 3) {
glColor3ubv(red);
if (fp)
sprintf(str, " R:%-.4f", fp[0]);
else if (cp)
sprintf(str, " R:%-3d", cp[0]);
else
sprintf(str, " R:-");
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
glColor3ubv(green);
if (fp)
sprintf(str, " G:%-.4f", fp[1]);
else if (cp)
sprintf(str, " G:%-3d", cp[1]);
else
sprintf(str, " G:-");
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
glColor3ubv(blue);
if (fp)
sprintf(str, " B:%-.4f", fp[2]);
else if (cp)
sprintf(str, " B:%-3d", cp[2]);
else
sprintf(str, " B:-");
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
if(channels == 4) {
glColor3ub(255, 255, 255);
if (fp)
sprintf(str, " A:%-.4f", fp[3]);
else if (cp)
sprintf(str, " A:%-3d", cp[3]);
else
sprintf(str, "- ");
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
}
}
/* color rectangle */
if (channels==1) {
if (fp)
col[0] = col[1] = col[2] = fp[0];
else if (cp)
col[0] = col[1] = col[2] = (float)cp[0]/255.0f;
else
col[0] = col[1] = col[2] = 0.0f;
}
else if (channels==3) {
if (fp)
copy_v3_v3(col, fp);
else if (cp) {
col[0] = (float)cp[0]/255.0f;
col[1] = (float)cp[1]/255.0f;
col[2] = (float)cp[2]/255.0f;
}
else
zero_v3(col);
}
else if (channels==4) {
if (fp)
copy_v4_v4(col, fp);
else if (cp) {
col[0] = (float)cp[0]/255.0f;
col[1] = (float)cp[1]/255.0f;
col[2] = (float)cp[2]/255.0f;
col[3] = (float)cp[3]/255.0f;
}
else
zero_v4(col);
}
if (color_manage) {
linearrgb_to_srgb_v3_v3(finalcol, col);
finalcol[3] = col[3];
}
else {
copy_v4_v4(finalcol, col);
}
glDisable(GL_BLEND);
glColor3fv(finalcol);
dx += 5;
glBegin(GL_QUADS);
glVertex2f(dx, 3);
glVertex2f(dx, 17);
glVertex2f(dx+30, 17);
glVertex2f(dx+30, 3);
glEnd();
dx += 35;
glColor3ub(255, 255, 255);
if(channels == 1) {
if (fp) {
rgb_to_hsv(fp[0], fp[0], fp[0], &hue, &sat, &val);
rgb_to_yuv(fp[0], fp[0], fp[0], &lum, &u, &v);
}
else if (cp) {
rgb_to_hsv((float)cp[0]/255.0f, (float)cp[0]/255.0f, (float)cp[0]/255.0f, &hue, &sat, &val);
rgb_to_yuv((float)cp[0]/255.0f, (float)cp[0]/255.0f, (float)cp[0]/255.0f, &lum, &u, &v);
}
sprintf(str, "V:%-.4f", val);
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
sprintf(str, " L:%-.4f", lum);
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
}
else if(channels >= 3) {
if (fp) {
rgb_to_hsv(fp[0], fp[1], fp[2], &hue, &sat, &val);
rgb_to_yuv(fp[0], fp[1], fp[2], &lum, &u, &v);
}
else if (cp) {
rgb_to_hsv((float)cp[0]/255.0f, (float)cp[1]/255.0f, (float)cp[2]/255.0f, &hue, &sat, &val);
rgb_to_yuv((float)cp[0]/255.0f, (float)cp[1]/255.0f, (float)cp[2]/255.0f, &lum, &u, &v);
}
sprintf(str, "H:%-.4f", hue);
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
sprintf(str, " S:%-.4f", sat);
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
sprintf(str, " V:%-.4f", val);
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
sprintf(str, " L:%-.4f", lum);
BLF_position(blf_mono_font, dx, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
dx += BLF_width(blf_mono_font, str);
}
(void)dx;
}
void ui_draw_but_COLORBAND(uiBut *but, uiWidgetColors *UNUSED(wcol), rcti *rect)
{
ColorBand *coba;
CBData *cbd;
float x1, y1, sizex, sizey;
float v3[2], v1[2], v2[2], v1a[2], v2a[2];
int a;
float pos, colf[4]= {0,0,0,0}; /* initialize incase the colorband isnt valid */
coba= (ColorBand *)(but->editcoba? but->editcoba: but->poin);
if(coba==NULL) return;
x1= rect->xmin;
y1= rect->ymin;
sizex= rect->xmax-x1;
sizey= rect->ymax-y1;
/* first background, to show tranparency */
glColor4ub(UI_TRANSP_DARK, UI_TRANSP_DARK, UI_TRANSP_DARK, 255);
glRectf(x1, y1, x1+sizex, y1+sizey);
glEnable(GL_POLYGON_STIPPLE);
glColor4ub(UI_TRANSP_LIGHT, UI_TRANSP_LIGHT, UI_TRANSP_LIGHT, 255);
glPolygonStipple(checker_stipple_sml);
glRectf(x1, y1, x1+sizex, y1+sizey);
glDisable(GL_POLYGON_STIPPLE);
glShadeModel(GL_FLAT);
glEnable(GL_BLEND);
cbd= coba->data;
v1[0]= v2[0]= x1;
v1[1]= y1;
v2[1]= y1+sizey;
glBegin(GL_QUAD_STRIP);
glColor4fv( &cbd->r );
glVertex2fv(v1); glVertex2fv(v2);
for( a = 1; a <= sizex; a++ ) {
pos = ((float)a) / (sizex-1);
do_colorband( coba, pos, colf );
if (but->block->color_profile != BLI_PR_NONE)
linearrgb_to_srgb_v3_v3(colf, colf);
v1[0]=v2[0]= x1 + a;
glColor4fv( colf );
glVertex2fv(v1); glVertex2fv(v2);
}
glEnd();
glShadeModel(GL_FLAT);
glDisable(GL_BLEND);
/* outline */
glColor4f(0.0, 0.0, 0.0, 1.0);
fdrawbox(x1, y1, x1+sizex, y1+sizey);
/* help lines */
v1[0]= v2[0]=v3[0]= x1;
v1[1]= y1;
v1a[1]= y1+0.25f*sizey;
v2[1]= y1+0.5f*sizey;
v2a[1]= y1+0.75f*sizey;
v3[1]= y1+sizey;
cbd= coba->data;
glBegin(GL_LINES);
for(a=0; a<coba->tot; a++, cbd++) {
v1[0]=v2[0]=v3[0]=v1a[0]=v2a[0]= x1+ cbd->pos*sizex;
if(a==coba->cur) {
glColor3ub(0, 0, 0);
glVertex2fv(v1);
glVertex2fv(v3);
glEnd();
setlinestyle(2);
glBegin(GL_LINES);
glColor3ub(255, 255, 255);
glVertex2fv(v1);
glVertex2fv(v3);
glEnd();
setlinestyle(0);
glBegin(GL_LINES);
/* glColor3ub(0, 0, 0);
glVertex2fv(v1);
glVertex2fv(v1a);
glColor3ub(255, 255, 255);
glVertex2fv(v1a);
glVertex2fv(v2);
glColor3ub(0, 0, 0);
glVertex2fv(v2);
glVertex2fv(v2a);
glColor3ub(255, 255, 255);
glVertex2fv(v2a);
glVertex2fv(v3);
*/
}
else {
glColor3ub(0, 0, 0);
glVertex2fv(v1);
glVertex2fv(v2);
glColor3ub(255, 255, 255);
glVertex2fv(v2);
glVertex2fv(v3);
}
}
glEnd();
}
static opj_image_t* ibuftoimage(ImBuf *ibuf, opj_cparameters_t *parameters) {
unsigned char *rect;
float *rect_float;
int subsampling_dx = parameters->subsampling_dx;
int subsampling_dy = parameters->subsampling_dy;
int i, numcomps, w, h, prec;
int x,y, y_row;
OPJ_COLOR_SPACE color_space;
opj_image_cmptparm_t cmptparm[4]; /* maximum of 4 components */
opj_image_t * image = NULL;
img_fol_t img_fol; /* only needed for cinema presets */
memset(&img_fol,0,sizeof(img_fol_t));
if (ibuf->ftype & JP2_CINE) {
if (ibuf->x==4096 || ibuf->y==2160)
parameters->cp_cinema= CINEMA4K_24;
else {
if (ibuf->ftype & JP2_CINE_48FPS) {
parameters->cp_cinema= CINEMA2K_48;
}
else {
parameters->cp_cinema= CINEMA2K_24;
}
}
if (parameters->cp_cinema){
img_fol.rates = (float*)MEM_mallocN(parameters->tcp_numlayers * sizeof(float), "jp2_rates");
for(i=0; i< parameters->tcp_numlayers; i++){
img_fol.rates[i] = parameters->tcp_rates[i];
}
cinema_parameters(parameters);
}
color_space= CLRSPC_SYCC;
prec= 12;
numcomps= 3;
}
else {
/* Get settings from the imbuf */
color_space = (ibuf->ftype & JP2_YCC) ? CLRSPC_SYCC : CLRSPC_SRGB;
if (ibuf->ftype & JP2_16BIT) prec= 16;
else if (ibuf->ftype & JP2_12BIT) prec= 12;
else prec= 8;
/* 32bit images == alpha channel */
/* grayscale not supported yet */
numcomps= (ibuf->depth==32) ? 4 : 3;
}
w= ibuf->x;
h= ibuf->y;
/* initialize image components */
memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));
for(i = 0; i < numcomps; i++) {
cmptparm[i].prec = prec;
cmptparm[i].bpp = prec;
cmptparm[i].sgnd = 0;
cmptparm[i].dx = subsampling_dx;
cmptparm[i].dy = subsampling_dy;
cmptparm[i].w = w;
cmptparm[i].h = h;
}
/* create the image */
image = opj_image_create(numcomps, &cmptparm[0], color_space);
if(!image) {
printf("Error: opj_image_create() failed\n");
return NULL;
}
/* set image offset and reference grid */
image->x0 = parameters->image_offset_x0;
image->y0 = parameters->image_offset_y0;
image->x1 = parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1;
image->y1 = parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1;
/* set image data */
rect = (unsigned char*) ibuf->rect;
rect_float= ibuf->rect_float;
if (rect_float && rect && prec==8) {
/* No need to use the floating point buffer, just write the 8 bits from the char buffer */
rect_float= NULL;
}
if (rect_float) {
float rgb[3];
switch (prec) {
case 8: /* Convert blenders float color channels to 8,12 or 16bit ints */
for(y=h-1; y>=0; y--) {
y_row = y*w;
for(x=0; x<w; x++, rect_float+=4) {
i = y_row + x;
if (ibuf->profile == IB_PROFILE_LINEAR_RGB)
linearrgb_to_srgb_v3_v3(rgb, rect_float);
else
copy_v3_v3(rgb, rect_float);
image->comps[0].data[i] = DOWNSAMPLE_FLOAT_TO_8BIT(rgb[0]);
image->comps[1].data[i] = DOWNSAMPLE_FLOAT_TO_8BIT(rgb[1]);
image->comps[2].data[i] = DOWNSAMPLE_FLOAT_TO_8BIT(rgb[2]);
if (numcomps>3)
image->comps[3].data[i] = DOWNSAMPLE_FLOAT_TO_8BIT(rect_float[3]);
}
}
break;
case 12:
for(y=h-1; y>=0; y--) {
y_row = y*w;
for(x=0; x<w; x++, rect_float+=4) {
i = y_row + x;
if (ibuf->profile == IB_PROFILE_LINEAR_RGB)
linearrgb_to_srgb_v3_v3(rgb, rect_float);
else
copy_v3_v3(rgb, rect_float);
image->comps[0].data[i] = DOWNSAMPLE_FLOAT_TO_12BIT(rgb[0]);
image->comps[1].data[i] = DOWNSAMPLE_FLOAT_TO_12BIT(rgb[1]);
image->comps[2].data[i] = DOWNSAMPLE_FLOAT_TO_12BIT(rgb[2]);
if (numcomps>3)
image->comps[3].data[i] = DOWNSAMPLE_FLOAT_TO_12BIT(rect_float[3]);
}
}
break;
case 16:
for(y=h-1; y>=0; y--) {
y_row = y*w;
for(x=0; x<w; x++, rect_float+=4) {
i = y_row + x;
if (ibuf->profile == IB_PROFILE_LINEAR_RGB)
linearrgb_to_srgb_v3_v3(rgb, rect_float);
else
copy_v3_v3(rgb, rect_float);
image->comps[0].data[i] = DOWNSAMPLE_FLOAT_TO_16BIT(rgb[0]);
image->comps[1].data[i] = DOWNSAMPLE_FLOAT_TO_16BIT(rgb[1]);
image->comps[2].data[i] = DOWNSAMPLE_FLOAT_TO_16BIT(rgb[2]);
if (numcomps>3)
image->comps[3].data[i] = DOWNSAMPLE_FLOAT_TO_16BIT(rect_float[3]);
}
}
break;
}
} else {
/* just use rect*/
switch (prec) {
case 8:
for(y=h-1; y>=0; y--) {
y_row = y*w;
for(x=0; x<w; x++, rect+=4) {
i = y_row + x;
image->comps[0].data[i] = rect[0];
image->comps[1].data[i] = rect[1];
image->comps[2].data[i] = rect[2];
if (numcomps>3)
image->comps[3].data[i] = rect[3];
}
}
break;
case 12: /* Up Sampling, a bit pointless but best write the bit depth requested */
for(y=h-1; y>=0; y--) {
y_row = y*w;
for(x=0; x<w; x++, rect+=4) {
i = y_row + x;
image->comps[0].data[i]= UPSAMPLE_8_TO_12(rect[0]);
image->comps[1].data[i]= UPSAMPLE_8_TO_12(rect[1]);
image->comps[2].data[i]= UPSAMPLE_8_TO_12(rect[2]);
if (numcomps>3)
image->comps[3].data[i]= UPSAMPLE_8_TO_12(rect[3]);
}
}
break;
case 16:
for(y=h-1; y>=0; y--) {
y_row = y*w;
for(x=0; x<w; x++, rect+=4) {
i = y_row + x;
image->comps[0].data[i]= UPSAMPLE_8_TO_16(rect[0]);
image->comps[1].data[i]= UPSAMPLE_8_TO_16(rect[1]);
image->comps[2].data[i]= UPSAMPLE_8_TO_16(rect[2]);
if (numcomps>3)
image->comps[3].data[i]= UPSAMPLE_8_TO_16(rect[3]);
}
}
break;
}
}
/* Decide if MCT should be used */
parameters->tcp_mct = image->numcomps == 3 ? 1 : 0;
if(parameters->cp_cinema){
cinema_setup_encoder(parameters,image,&img_fol);
}
if (img_fol.rates)
MEM_freeN(img_fol.rates);
return image;
}
static void update_tface_color_layer(DerivedMesh *dm, bool use_mcol)
{
const MPoly *mp = dm->getPolyArray(dm);
const int mpoly_num = dm->getNumPolys(dm);
MTexPoly *mtexpoly = DM_get_poly_data_layer(dm, CD_MTEXPOLY);
MLoopCol *finalCol;
int i, j;
MLoopCol *mloopcol = NULL;
/* cache material values to avoid a lot of lookups */
Material *ma = NULL;
short mat_nr_prev = -1;
enum {
COPY_CALC,
COPY_ORIG,
COPY_PREV,
} copy_mode = COPY_CALC;
if (use_mcol) {
mloopcol = dm->getLoopDataArray(dm, CD_PREVIEW_MLOOPCOL);
if (!mloopcol)
mloopcol = dm->getLoopDataArray(dm, CD_MLOOPCOL);
}
if (CustomData_has_layer(&dm->loopData, CD_TEXTURE_MLOOPCOL)) {
finalCol = CustomData_get_layer(&dm->loopData, CD_TEXTURE_MLOOPCOL);
}
else {
finalCol = MEM_mallocN(sizeof(MLoopCol) * dm->numLoopData, "add_tface_color_layer");
CustomData_add_layer(&dm->loopData, CD_TEXTURE_MLOOPCOL, CD_ASSIGN, finalCol, dm->numLoopData);
}
for (i = mpoly_num; i--; mp++) {
const short mat_nr = mp->mat_nr;
if (UNLIKELY(mat_nr_prev != mat_nr)) {
ma = give_current_material(Gtexdraw.ob, mat_nr + 1);
copy_mode = COPY_CALC;
mat_nr_prev = mat_nr;
}
/* avoid lookups */
if (copy_mode == COPY_ORIG) {
memcpy(&finalCol[mp->loopstart], &mloopcol[mp->loopstart], sizeof(*finalCol) * mp->totloop);
}
else if (copy_mode == COPY_PREV) {
int loop_index = mp->loopstart;
const MLoopCol *lcol_prev = &finalCol[(mp - 1)->loopstart];
for (j = 0; j < mp->totloop; j++, loop_index++) {
finalCol[loop_index] = *lcol_prev;
}
}
/* (copy_mode == COPY_CALC) */
else if (ma && (ma->game.flag & GEMAT_INVISIBLE)) {
if (mloopcol) {
memcpy(&finalCol[mp->loopstart], &mloopcol[mp->loopstart], sizeof(*finalCol) * mp->totloop);
copy_mode = COPY_ORIG;
}
else {
memset(&finalCol[mp->loopstart], 0xff, sizeof(*finalCol) * mp->totloop);
copy_mode = COPY_PREV;
}
}
else if (mtexpoly && set_draw_settings_cached(0, mtexpoly, ma, Gtexdraw)) {
int loop_index = mp->loopstart;
for (j = 0; j < mp->totloop; j++, loop_index++) {
finalCol[loop_index].r = 255;
finalCol[loop_index].g = 0;
finalCol[loop_index].b = 255;
}
copy_mode = COPY_PREV;
}
else if (ma && (ma->shade_flag & MA_OBCOLOR)) {
int loop_index = mp->loopstart;
for (j = 0; j < mp->totloop; j++, loop_index++) {
copy_v3_v3_char((char *)&finalCol[loop_index].r, (char *)Gtexdraw.obcol);
}
copy_mode = COPY_PREV;
}
else {
if (mloopcol) {
memcpy(&finalCol[mp->loopstart], &mloopcol[mp->loopstart], sizeof(*finalCol) * mp->totloop);
copy_mode = COPY_ORIG;
}
else if (mtexpoly) {
memset(&finalCol[mp->loopstart], 0xff, sizeof(*finalCol) * mp->totloop);
copy_mode = COPY_PREV;
}
else {
float col[3];
if (ma) {
int loop_index = mp->loopstart;
MLoopCol lcol;
if (Gtexdraw.color_profile) linearrgb_to_srgb_v3_v3(col, &ma->r);
else copy_v3_v3(col, &ma->r);
rgb_float_to_uchar((unsigned char *)&lcol.r, col);
lcol.a = 255;
for (j = 0; j < mp->totloop; j++, loop_index++) {
finalCol[loop_index] = lcol;
}
}
else {
memset(&finalCol[mp->loopstart], 0xff, sizeof(*finalCol) * mp->totloop);
}
copy_mode = COPY_PREV;
}
}
}
}
/* create imbuf with brush color */
static ImBuf *brush_painter_imbuf_new(BrushPainter *painter, int size)
{
Scene *scene = painter->scene;
Brush *brush = painter->brush;
rctf tex_mapping = painter->tex_mapping;
rctf mask_mapping = painter->mask_mapping;
struct ImagePool *pool = painter->pool;
bool use_masking = painter->cache.use_masking;
bool use_color_correction = painter->cache.use_color_correction;
bool use_float = painter->cache.use_float;
bool is_texbrush = painter->cache.is_texbrush;
bool is_maskbrush = painter->cache.is_maskbrush;
float alpha = (use_masking) ? 1.0f : BKE_brush_alpha_get(scene, brush);
int radius = BKE_brush_size_get(scene, brush);
int xoff = -size * 0.5f + 0.5f;
int yoff = -size * 0.5f + 0.5f;
int x, y, thread = 0;
float brush_rgb[3];
/* allocate image buffer */
ImBuf *ibuf = IMB_allocImBuf(size, size, 32, (use_float) ? IB_rectfloat : IB_rect);
/* get brush color */
if (brush->imagepaint_tool == PAINT_TOOL_DRAW) {
copy_v3_v3(brush_rgb, brush->rgb);
if (use_color_correction)
srgb_to_linearrgb_v3_v3(brush_rgb, brush_rgb);
}
else {
brush_rgb[0] = 1.0f;
brush_rgb[1] = 1.0f;
brush_rgb[2] = 1.0f;
}
/* fill image buffer */
for (y = 0; y < size; y++) {
for (x = 0; x < size; x++) {
/* sample texture and multiply with brush color */
float texco[3], rgba[4];
if (is_texbrush) {
brush_imbuf_tex_co(&tex_mapping, x, y, texco);
BKE_brush_sample_tex_3D(scene, brush, texco, rgba, thread, pool);
/* TODO(sergey): Support texture paint color space. */
if (!use_float) {
linearrgb_to_srgb_v3_v3(rgba, rgba);
}
mul_v3_v3(rgba, brush_rgb);
}
else {
copy_v3_v3(rgba, brush_rgb);
rgba[3] = 1.0f;
}
if (is_maskbrush) {
brush_imbuf_tex_co(&mask_mapping, x, y, texco);
rgba[3] *= BKE_brush_sample_masktex(scene, brush, texco, thread, pool);
}
/* when not using masking, multiply in falloff and strength */
if (!use_masking) {
float xy[2] = {x + xoff, y + yoff};
float len = len_v2(xy);
rgba[3] *= alpha * BKE_brush_curve_strength_clamp(brush, len, radius);
}
if (use_float) {
/* write to float pixel */
float *dstf = ibuf->rect_float + (y * size + x) * 4;
mul_v3_v3fl(dstf, rgba, rgba[3]); /* premultiply */
dstf[3] = rgba[3];
}
else {
/* write to byte pixel */
unsigned char *dst = (unsigned char *)ibuf->rect + (y * size + x) * 4;
rgb_float_to_uchar(dst, rgba);
dst[3] = FTOCHAR(rgba[3]);
}
}
}
return ibuf;
}
static void update_tface_color_layer(DerivedMesh *dm)
{
MTFace *tface = DM_get_tessface_data_layer(dm, CD_MTFACE);
MFace *mface = dm->getTessFaceArray(dm);
MCol *finalCol;
int i, j;
MCol *mcol = dm->getTessFaceDataArray(dm, CD_PREVIEW_MCOL);
if (!mcol)
mcol = dm->getTessFaceDataArray(dm, CD_MCOL);
if (CustomData_has_layer(&dm->faceData, CD_TEXTURE_MCOL)) {
finalCol = CustomData_get_layer(&dm->faceData, CD_TEXTURE_MCOL);
}
else {
finalCol = MEM_mallocN(sizeof(MCol) * 4 * dm->getNumTessFaces(dm), "add_tface_color_layer");
CustomData_add_layer(&dm->faceData, CD_TEXTURE_MCOL, CD_ASSIGN, finalCol, dm->numTessFaceData);
}
for (i = 0; i < dm->getNumTessFaces(dm); i++) {
Material *ma = give_current_material(Gtexdraw.ob, mface[i].mat_nr + 1);
if (ma && (ma->game.flag & GEMAT_INVISIBLE)) {
if (mcol)
memcpy(&finalCol[i * 4], &mcol[i * 4], sizeof(MCol) * 4);
else
for (j = 0; j < 4; j++) {
finalCol[i * 4 + j].b = 255;
finalCol[i * 4 + j].g = 255;
finalCol[i * 4 + j].r = 255;
}
}
else if (tface && set_draw_settings_cached(0, tface, ma, Gtexdraw)) {
for (j = 0; j < 4; j++) {
finalCol[i * 4 + j].b = 255;
finalCol[i * 4 + j].g = 0;
finalCol[i * 4 + j].r = 255;
}
}
else if (ma && (ma->shade_flag & MA_OBCOLOR)) {
for (j = 0; j < 4; j++) {
finalCol[i * 4 + j].b = Gtexdraw.obcol[0];
finalCol[i * 4 + j].g = Gtexdraw.obcol[1];
finalCol[i * 4 + j].r = Gtexdraw.obcol[2];
}
}
else if (!mcol) {
if (tface) {
for (j = 0; j < 4; j++) {
finalCol[i * 4 + j].b = 255;
finalCol[i * 4 + j].g = 255;
finalCol[i * 4 + j].r = 255;
}
}
else {
float col[3];
if (ma) {
if (Gtexdraw.color_profile) linearrgb_to_srgb_v3_v3(col, &ma->r);
else copy_v3_v3(col, &ma->r);
for (j = 0; j < 4; j++) {
finalCol[i * 4 + j].b = FTOCHAR(col[0]);
finalCol[i * 4 + j].g = FTOCHAR(col[1]);
finalCol[i * 4 + j].r = FTOCHAR(col[2]);
}
}
else
for (j = 0; j < 4; j++) {
finalCol[i * 4 + j].b = 255;
finalCol[i * 4 + j].g = 255;
finalCol[i * 4 + j].r = 255;
}
}
}
else {
for (j = 0; j < 4; j++) {
finalCol[i * 4 + j].r = mcol[i * 4 + j].r;
finalCol[i * 4 + j].g = mcol[i * 4 + j].g;
finalCol[i * 4 + j].b = mcol[i * 4 + j].b;
}
}
}
}
void scopes_update(Scopes *scopes, ImBuf *ibuf, int use_color_management)
{
int x, y, c;
unsigned int n, nl;
double div, divl;
float *rf = NULL;
unsigned char *rc = NULL;
unsigned int *bin_r, *bin_g, *bin_b, *bin_lum;
int savedlines, saveline;
float rgb[3], ycc[3], luma;
int ycc_mode = -1;
const short is_float = (ibuf->rect_float != NULL);
if (ibuf->rect == NULL && ibuf->rect_float == NULL) return;
if (scopes->ok == 1) return;
if (scopes->hist.ymax == 0.f) scopes->hist.ymax = 1.f;
/* hmmmm */
if (!(ELEM(ibuf->channels, 3, 4))) return;
scopes->hist.channels = 3;
scopes->hist.x_resolution = 256;
switch (scopes->wavefrm_mode) {
case SCOPES_WAVEFRM_RGB:
ycc_mode = -1;
break;
case SCOPES_WAVEFRM_LUMA:
case SCOPES_WAVEFRM_YCC_JPEG:
ycc_mode = BLI_YCC_JFIF_0_255;
break;
case SCOPES_WAVEFRM_YCC_601:
ycc_mode = BLI_YCC_ITU_BT601;
break;
case SCOPES_WAVEFRM_YCC_709:
ycc_mode = BLI_YCC_ITU_BT709;
break;
}
/* temp table to count pix value for histo */
bin_r = MEM_callocN(256 * sizeof(unsigned int), "temp historgram bins");
bin_g = MEM_callocN(256 * sizeof(unsigned int), "temp historgram bins");
bin_b = MEM_callocN(256 * sizeof(unsigned int), "temp historgram bins");
bin_lum = MEM_callocN(256 * sizeof(unsigned int), "temp historgram bins");
/* convert to number of lines with logarithmic scale */
scopes->sample_lines = (scopes->accuracy * 0.01f) * (scopes->accuracy * 0.01f) * ibuf->y;
if (scopes->sample_full)
scopes->sample_lines = ibuf->y;
/* scan the image */
savedlines = 0;
for (c = 0; c < 3; c++) {
scopes->minmax[c][0] = 25500.0f;
scopes->minmax[c][1] = -25500.0f;
}
scopes->waveform_tot = ibuf->x * scopes->sample_lines;
if (scopes->waveform_1)
MEM_freeN(scopes->waveform_1);
if (scopes->waveform_2)
MEM_freeN(scopes->waveform_2);
if (scopes->waveform_3)
MEM_freeN(scopes->waveform_3);
if (scopes->vecscope)
MEM_freeN(scopes->vecscope);
scopes->waveform_1 = MEM_callocN(scopes->waveform_tot * 2 * sizeof(float), "waveform point channel 1");
scopes->waveform_2 = MEM_callocN(scopes->waveform_tot * 2 * sizeof(float), "waveform point channel 2");
scopes->waveform_3 = MEM_callocN(scopes->waveform_tot * 2 * sizeof(float), "waveform point channel 3");
scopes->vecscope = MEM_callocN(scopes->waveform_tot * 2 * sizeof(float), "vectorscope point channel");
if (is_float)
rf = ibuf->rect_float;
else
rc = (unsigned char *)ibuf->rect;
for (y = 0; y < ibuf->y; y++) {
if (savedlines < scopes->sample_lines && y >= ((savedlines) * ibuf->y) / (scopes->sample_lines + 1)) {
saveline = 1;
}
else {
saveline = 0;
}
for (x = 0; x < ibuf->x; x++) {
if (is_float) {
if (use_color_management)
linearrgb_to_srgb_v3_v3(rgb, rf);
else
copy_v3_v3(rgb, rf);
}
else {
for (c = 0; c < 3; c++)
rgb[c] = rc[c] * INV_255;
}
/* we still need luma for histogram */
luma = rgb_to_luma(rgb);
/* check for min max */
if (ycc_mode == -1) {
for (c = 0; c < 3; c++) {
if (rgb[c] < scopes->minmax[c][0]) scopes->minmax[c][0] = rgb[c];
if (rgb[c] > scopes->minmax[c][1]) scopes->minmax[c][1] = rgb[c];
}
}
else {
rgb_to_ycc(rgb[0], rgb[1], rgb[2], &ycc[0], &ycc[1], &ycc[2], ycc_mode);
for (c = 0; c < 3; c++) {
ycc[c] *= INV_255;
if (ycc[c] < scopes->minmax[c][0]) scopes->minmax[c][0] = ycc[c];
if (ycc[c] > scopes->minmax[c][1]) scopes->minmax[c][1] = ycc[c];
}
}
/* increment count for histo*/
bin_r[get_bin_float(rgb[0])] += 1;
bin_g[get_bin_float(rgb[1])] += 1;
bin_b[get_bin_float(rgb[2])] += 1;
bin_lum[get_bin_float(luma)] += 1;
/* save sample if needed */
if (saveline) {
const float fx = (float)x / (float)ibuf->x;
const int idx = 2 * (ibuf->x * savedlines + x);
save_sample_line(scopes, idx, fx, rgb, ycc);
}
rf += ibuf->channels;
rc += ibuf->channels;
}
if (saveline)
savedlines += 1;
}
/* convert hist data to float (proportional to max count) */
n = 0;
nl = 0;
for (x = 0; x < 256; x++) {
if (bin_r[x] > n)
n = bin_r[x];
if (bin_g[x] > n)
n = bin_g[x];
if (bin_b[x] > n)
n = bin_b[x];
if (bin_lum[x] > nl)
nl = bin_lum[x];
}
div = 1.0 / (double)n;
divl = 1.0 / (double)nl;
for (x = 0; x < 256; x++) {
scopes->hist.data_r[x] = bin_r[x] * div;
scopes->hist.data_g[x] = bin_g[x] * div;
scopes->hist.data_b[x] = bin_b[x] * div;
scopes->hist.data_luma[x] = bin_lum[x] * divl;
}
MEM_freeN(bin_r);
MEM_freeN(bin_g);
MEM_freeN(bin_b);
MEM_freeN(bin_lum);
scopes->ok = 1;
}
int imb_savetiff(ImBuf *ibuf, const char *name, int flags)
{
TIFF *image = NULL;
uint16 samplesperpixel, bitspersample;
size_t npixels;
unsigned char *pixels = NULL;
unsigned char *from = NULL, *to = NULL;
unsigned short *pixels16 = NULL, *to16 = NULL;
float *fromf = NULL;
int x, y, from_i, to_i, i;
int extraSampleTypes[1] = { EXTRASAMPLE_ASSOCALPHA };
/* check for a valid number of bytes per pixel. Like the PNG writer,
* the TIFF writer supports 1, 3 or 4 bytes per pixel, corresponding
* to gray, RGB, RGBA respectively. */
samplesperpixel = (uint16)((ibuf->depth + 7) >> 3);
if((samplesperpixel > 4) || (samplesperpixel == 2)) {
fprintf(stderr,
"imb_savetiff: unsupported number of bytes per "
"pixel: %d\n", samplesperpixel);
return (0);
}
if((ibuf->ftype & TIF_16BIT) && ibuf->rect_float)
bitspersample = 16;
else
bitspersample = 8;
/* open TIFF file for writing */
if(flags & IB_mem) {
/* bork at the creation of a TIFF in memory */
fprintf(stderr,
"imb_savetiff: creation of in-memory TIFF files is "
"not yet supported.\n");
return (0);
}
else {
/* create image as a file */
image = TIFFOpen(name, "w");
}
if(image == NULL) {
fprintf(stderr,
"imb_savetiff: could not open TIFF for writing.\n");
return (0);
}
/* allocate array for pixel data */
npixels = ibuf->x * ibuf->y;
if(bitspersample == 16)
pixels16 = (unsigned short*)_TIFFmalloc(npixels *
samplesperpixel * sizeof(unsigned short));
else
pixels = (unsigned char*)_TIFFmalloc(npixels *
samplesperpixel * sizeof(unsigned char));
if(pixels == NULL && pixels16 == NULL) {
fprintf(stderr,
"imb_savetiff: could not allocate pixels array.\n");
TIFFClose(image);
return (0);
}
/* setup pointers */
if(bitspersample == 16) {
fromf = ibuf->rect_float;
to16 = pixels16;
}
else {
from = (unsigned char*)ibuf->rect;
to = pixels;
}
/* setup samples per pixel */
TIFFSetField(image, TIFFTAG_BITSPERSAMPLE, bitspersample);
TIFFSetField(image, TIFFTAG_SAMPLESPERPIXEL, samplesperpixel);
if(samplesperpixel == 4) {
/* RGBA images */
TIFFSetField(image, TIFFTAG_EXTRASAMPLES, 1,
extraSampleTypes);
TIFFSetField(image, TIFFTAG_PHOTOMETRIC,
PHOTOMETRIC_RGB);
}
else if(samplesperpixel == 3) {
/* RGB images */
TIFFSetField(image, TIFFTAG_PHOTOMETRIC,
PHOTOMETRIC_RGB);
}
else if(samplesperpixel == 1) {
/* greyscale images, 1 channel */
TIFFSetField(image, TIFFTAG_PHOTOMETRIC,
PHOTOMETRIC_MINISBLACK);
}
/* copy pixel data. While copying, we flip the image vertically. */
for(x = 0; x < ibuf->x; x++) {
for(y = 0; y < ibuf->y; y++) {
from_i = 4*(y*ibuf->x+x);
to_i = samplesperpixel*((ibuf->y-y-1)*ibuf->x+x);
if(pixels16) {
/* convert from float source */
float rgb[3];
if (ibuf->profile == IB_PROFILE_LINEAR_RGB)
linearrgb_to_srgb_v3_v3(rgb, &fromf[from_i]);
else
copy_v3_v3(rgb, &fromf[from_i]);
to16[to_i+0] = FTOUSHORT(rgb[0]);
to16[to_i+1] = FTOUSHORT(rgb[1]);
to16[to_i+2] = FTOUSHORT(rgb[2]);
to_i += 3; from_i+=3;
if (samplesperpixel == 4) {
to16[to_i+3] = FTOUSHORT(fromf[from_i+3]);
/*to_i++; from_i++;*/ /*unused, set on each loop */
}
}
else {
for(i = 0; i < samplesperpixel; i++, to_i++, from_i++)
to[to_i] = from[from_i];
}
}
}
/* write the actual TIFF file */
TIFFSetField(image, TIFFTAG_IMAGEWIDTH, ibuf->x);
TIFFSetField(image, TIFFTAG_IMAGELENGTH, ibuf->y);
TIFFSetField(image, TIFFTAG_ROWSPERSTRIP, ibuf->y);
TIFFSetField(image, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE);
TIFFSetField(image, TIFFTAG_FILLORDER, FILLORDER_MSB2LSB);
TIFFSetField(image, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
TIFFSetField(image, TIFFTAG_XRESOLUTION, 150.0);
TIFFSetField(image, TIFFTAG_YRESOLUTION, 150.0);
TIFFSetField(image, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH);
if(TIFFWriteEncodedStrip(image, 0,
(bitspersample == 16)? (unsigned char*)pixels16: pixels,
ibuf->x*ibuf->y*samplesperpixel*bitspersample/8) == -1) {
fprintf(stderr,
"imb_savetiff: Could not write encoded TIFF.\n");
TIFFClose(image);
if(pixels) _TIFFfree(pixels);
if(pixels16) _TIFFfree(pixels16);
return (1);
}
/* close the TIFF file */
TIFFClose(image);
if(pixels) _TIFFfree(pixels);
if(pixels16) _TIFFfree(pixels16);
return (1);
}
