mirror of
https://github.com/SoftFever/OrcaSlicer.git
synced 2025-07-07 15:07:31 -06:00
Add ColPic encoding for thumbnails(;gimage/;simage) as metadata.
This will enable showing preview images on QIDI/Elegoo machines
This commit is contained in:
SoftFever
parent
ae8995fec2
commit
dd5fd06356
6 changed files with 372 additions and 12 deletions
|
|
@ -8,6 +8,7 @@
|
|||
#include <qoi/qoi.h>
|
||||
#include <jpeglib.h>
|
||||
#include <jerror.h>
|
||||
#include <vector>
|
||||
|
||||
namespace Slic3r::GCodeThumbnails {
|
||||
|
||||
|
|
@ -37,6 +38,12 @@ struct CompressedBIQU : CompressedImageBuffer
|
|||
std::string_view tag() const override { return "thumbnail_BIQU"sv; }
|
||||
};
|
||||
|
||||
struct CompressedColPic : CompressedImageBuffer
|
||||
{
|
||||
~CompressedColPic() override { free(data); }
|
||||
std::string_view tag() const override { return "thumbnail_QIDI"sv; }
|
||||
};
|
||||
|
||||
std::unique_ptr<CompressedImageBuffer> compress_thumbnail_png(const ThumbnailData &data)
|
||||
{
|
||||
auto out = std::make_unique<CompressedPNG>();
|
||||
|
|
@ -113,6 +120,64 @@ std::unique_ptr<CompressedImageBuffer> compress_thumbnail_qoi(const ThumbnailDat
|
|||
return out;
|
||||
}
|
||||
|
||||
int ColPic_EncodeStr(unsigned short* fromcolor16, int picw, int pich, unsigned char* outputdata, int outputmaxtsize, int colorsmax);
|
||||
|
||||
std::unique_ptr<CompressedImageBuffer> compress_thumbnail_colpic(const ThumbnailData &data)
|
||||
{
|
||||
const int MAX_SIZE = 512;
|
||||
int width = int(data.width);
|
||||
int height = int(data.height);
|
||||
|
||||
// Orca: cap data size to MAX_SIZE while maintaining aspect ratio
|
||||
if (width > MAX_SIZE || height > MAX_SIZE) {
|
||||
double aspectRatio = static_cast<double>(width) / height;
|
||||
if (aspectRatio > 1.0) {
|
||||
width = MAX_SIZE;
|
||||
height = static_cast<int>(MAX_SIZE / aspectRatio);
|
||||
} else {
|
||||
height = MAX_SIZE;
|
||||
width = static_cast<int>(MAX_SIZE * aspectRatio);
|
||||
}
|
||||
}
|
||||
|
||||
std::vector<unsigned short> color16_buf(width * height);
|
||||
std::vector<unsigned char> output_buf(height * width * 10);
|
||||
|
||||
std::vector<uint8_t> rgba_pixels(data.pixels.size() * 4);
|
||||
size_t row_size = width * 4;
|
||||
for (size_t y = 0; y < height; ++y)
|
||||
memcpy(rgba_pixels.data() + y * row_size, data.pixels.data() + y * row_size, row_size);
|
||||
const unsigned char* pixels;
|
||||
pixels = (const unsigned char*) rgba_pixels.data();
|
||||
int r = 0, g = 0, b = 0, a = 0, rgb = 0;
|
||||
int time = width * height - 1;
|
||||
for (int row = 0; row < height; ++row) {
|
||||
int rr = row * width;
|
||||
for (int col = 0; col < width; ++col) {
|
||||
const int pix_idx = 4 * (rr + width - col - 1);
|
||||
r = int(pixels[pix_idx]) >> 3;
|
||||
g = int(pixels[pix_idx + 1]) >> 2;
|
||||
b = int(pixels[pix_idx + 2]) >> 3;
|
||||
a = int(pixels[pix_idx + 3]);
|
||||
if (a == 0) {
|
||||
r = 239 >> 3;
|
||||
g = 243 >> 2;
|
||||
b = 247 >> 3;
|
||||
}
|
||||
rgb = (r << 11) | (g << 5) | b;
|
||||
color16_buf[time--] = rgb;
|
||||
}
|
||||
}
|
||||
|
||||
ColPic_EncodeStr(color16_buf.data(), width, height, output_buf.data(), output_buf.size(), 1024);
|
||||
|
||||
auto out = std::make_unique<CompressedColPic>();
|
||||
out->size = output_buf.size();
|
||||
out->data = malloc(out->size);
|
||||
::memcpy(out->data, output_buf.data(), out->size);
|
||||
return out;
|
||||
}
|
||||
|
||||
std::unique_ptr<CompressedImageBuffer> compress_thumbnail_btt_tft(const ThumbnailData &data) {
|
||||
|
||||
// Take vector of RGBA pixels and flip the image vertically
|
||||
|
|
@ -133,10 +198,10 @@ std::unique_ptr<CompressedImageBuffer> compress_thumbnail_btt_tft(const Thumbnai
|
|||
std::stringstream out_data;
|
||||
typedef struct {unsigned char r, g, b, a;} pixel;
|
||||
pixel px;
|
||||
for (int ypos = 0; ypos < data.height; ypos++) {
|
||||
for (unsigned int ypos = 0; ypos < data.height; ypos++) {
|
||||
std::stringstream line;
|
||||
line << ";";
|
||||
for (int xpos = 0; xpos < row_size; xpos+=4) {
|
||||
for (unsigned int xpos = 0; xpos < row_size; xpos+=4) {
|
||||
px.r = rgba_pixels[ypos * row_size + xpos];
|
||||
px.g = rgba_pixels[ypos * row_size + xpos + 1];
|
||||
px.b = rgba_pixels[ypos * row_size + xpos + 2];
|
||||
|
|
@ -190,7 +255,278 @@ std::unique_ptr<CompressedImageBuffer> compress_thumbnail(const ThumbnailData &d
|
|||
return compress_thumbnail_qoi(data);
|
||||
case GCodeThumbnailsFormat::BTT_TFT:
|
||||
return compress_thumbnail_btt_tft(data);
|
||||
case GCodeThumbnailsFormat::ColPic:
|
||||
return compress_thumbnail_colpic(data);
|
||||
}
|
||||
}
|
||||
|
||||
typedef struct
|
||||
{
|
||||
unsigned short colo16;
|
||||
unsigned char A0;
|
||||
unsigned char A1;
|
||||
unsigned char A2;
|
||||
unsigned char res0;
|
||||
unsigned short res1;
|
||||
unsigned int qty;
|
||||
} U16HEAD;
|
||||
typedef struct
|
||||
{
|
||||
unsigned char encodever;
|
||||
unsigned char res0;
|
||||
unsigned short oncelistqty;
|
||||
unsigned int PicW;
|
||||
unsigned int PicH;
|
||||
unsigned int mark;
|
||||
unsigned int ListDataSize;
|
||||
unsigned int ColorDataSize;
|
||||
unsigned int res1;
|
||||
unsigned int res2;
|
||||
} ColPicHead3;
|
||||
|
||||
static void colmemmove(unsigned char* dec, unsigned char* src, int lenth)
|
||||
{
|
||||
if (src < dec) {
|
||||
dec += lenth - 1;
|
||||
src += lenth - 1;
|
||||
while (lenth > 0) {
|
||||
*(dec--) = *(src--);
|
||||
lenth--;
|
||||
}
|
||||
} else {
|
||||
while (lenth > 0) {
|
||||
*(dec++) = *(src++);
|
||||
lenth--;
|
||||
}
|
||||
}
|
||||
}
|
||||
static void colmemcpy(unsigned char* dec, unsigned char* src, int lenth)
|
||||
{
|
||||
while (lenth > 0) {
|
||||
*(dec++) = *(src++);
|
||||
lenth--;
|
||||
}
|
||||
}
|
||||
static void colmemset(unsigned char* dec, unsigned char val, int lenth)
|
||||
{
|
||||
while (lenth > 0) {
|
||||
*(dec++) = val;
|
||||
lenth--;
|
||||
}
|
||||
}
|
||||
|
||||
static void ADList0(unsigned short val, U16HEAD* listu16, int* listqty, int maxqty)
|
||||
{
|
||||
unsigned char A0;
|
||||
unsigned char A1;
|
||||
unsigned char A2;
|
||||
int qty = *listqty;
|
||||
if (qty >= maxqty)
|
||||
return;
|
||||
for (int i = 0; i < qty; i++) {
|
||||
if (listu16[i].colo16 == val) {
|
||||
listu16[i].qty++;
|
||||
return;
|
||||
}
|
||||
}
|
||||
A0 = (unsigned char) (val >> 11);
|
||||
A1 = (unsigned char) ((val << 5) >> 10);
|
||||
A2 = (unsigned char) ((val << 11) >> 11);
|
||||
U16HEAD* a = &listu16[qty];
|
||||
a->colo16 = val;
|
||||
a->A0 = A0;
|
||||
a->A1 = A1;
|
||||
a->A2 = A2;
|
||||
a->qty = 1;
|
||||
*listqty = qty + 1;
|
||||
}
|
||||
|
||||
static int Byte8bitEncode(
|
||||
unsigned short* fromcolor16, unsigned short* listu16, int listqty, int dotsqty, unsigned char* outputdata, int decMaxBytesize)
|
||||
{
|
||||
unsigned char tid, sid;
|
||||
int dots = 0;
|
||||
int srcindex = 0;
|
||||
int decindex = 0;
|
||||
int lastid = 0;
|
||||
int temp = 0;
|
||||
while (dotsqty > 0) {
|
||||
dots = 1;
|
||||
for (int i = 0; i < (dotsqty - 1); i++) {
|
||||
if (fromcolor16[srcindex + i] != fromcolor16[srcindex + i + 1])
|
||||
break;
|
||||
dots++;
|
||||
if (dots == 255)
|
||||
break;
|
||||
}
|
||||
temp = 0;
|
||||
for (int i = 0; i < listqty; i++) {
|
||||
if (listu16[i] == fromcolor16[srcindex]) {
|
||||
temp = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
tid = (unsigned char) (temp % 32);
|
||||
sid = (unsigned char) (temp / 32);
|
||||
if (lastid != sid) {
|
||||
if (decindex >= decMaxBytesize)
|
||||
goto IL_END;
|
||||
outputdata[decindex] = 7;
|
||||
outputdata[decindex] <<= 5;
|
||||
outputdata[decindex] += sid;
|
||||
decindex++;
|
||||
lastid = sid;
|
||||
}
|
||||
if (dots <= 6) {
|
||||
if (decindex >= decMaxBytesize)
|
||||
goto IL_END;
|
||||
outputdata[decindex] = (unsigned char) dots;
|
||||
outputdata[decindex] <<= 5;
|
||||
outputdata[decindex] += tid;
|
||||
decindex++;
|
||||
} else {
|
||||
if (decindex >= decMaxBytesize)
|
||||
goto IL_END;
|
||||
outputdata[decindex] = 0;
|
||||
outputdata[decindex] += tid;
|
||||
decindex++;
|
||||
if (decindex >= decMaxBytesize)
|
||||
goto IL_END;
|
||||
outputdata[decindex] = (unsigned char) dots;
|
||||
decindex++;
|
||||
}
|
||||
srcindex += dots;
|
||||
dotsqty -= dots;
|
||||
}
|
||||
IL_END:
|
||||
return decindex;
|
||||
}
|
||||
|
||||
static int ColPicEncode(unsigned short* fromcolor16, int picw, int pich, unsigned char* outputdata, int outputmaxtsize, int colorsmax)
|
||||
{
|
||||
U16HEAD l0;
|
||||
int cha0, cha1, cha2, fid, minval;
|
||||
ColPicHead3* Head0 = nullptr;
|
||||
U16HEAD Listu16[1024];
|
||||
int ListQty = 0;
|
||||
int enqty = 0;
|
||||
int dotsqty = picw * pich;
|
||||
if (colorsmax > 1024)
|
||||
colorsmax = 1024;
|
||||
for (int i = 0; i < dotsqty; i++) {
|
||||
int ch = (int) fromcolor16[i];
|
||||
ADList0(ch, Listu16, &ListQty, 1024);
|
||||
}
|
||||
|
||||
for (int index = 1; index < ListQty; index++) {
|
||||
l0 = Listu16[index];
|
||||
for (int i = 0; i < index; i++) {
|
||||
if (l0.qty >= Listu16[i].qty) {
|
||||
colmemmove((unsigned char*) &Listu16[i + 1], (unsigned char*) &Listu16[i], (index - i) * sizeof(U16HEAD));
|
||||
colmemcpy((unsigned char*) &Listu16[i], (unsigned char*) &l0, sizeof(U16HEAD));
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
while (ListQty > colorsmax) {
|
||||
l0 = Listu16[ListQty - 1];
|
||||
minval = 255;
|
||||
fid = -1;
|
||||
for (int i = 0; i < colorsmax; i++) {
|
||||
cha0 = Listu16[i].A0 - l0.A0;
|
||||
if (cha0 < 0)
|
||||
cha0 = 0 - cha0;
|
||||
cha1 = Listu16[i].A1 - l0.A1;
|
||||
if (cha1 < 0)
|
||||
cha1 = 0 - cha1;
|
||||
cha2 = Listu16[i].A2 - l0.A2;
|
||||
if (cha2 < 0)
|
||||
cha2 = 0 - cha2;
|
||||
int chall = cha0 + cha1 + cha2;
|
||||
if (chall < minval) {
|
||||
minval = chall;
|
||||
fid = i;
|
||||
}
|
||||
}
|
||||
for (int i = 0; i < dotsqty; i++) {
|
||||
if (fromcolor16[i] == l0.colo16)
|
||||
fromcolor16[i] = Listu16[fid].colo16;
|
||||
}
|
||||
ListQty = ListQty - 1;
|
||||
}
|
||||
Head0 = ((ColPicHead3*) outputdata);
|
||||
colmemset(outputdata, 0, sizeof(ColPicHead3));
|
||||
Head0->encodever = 3;
|
||||
Head0->oncelistqty = 0;
|
||||
Head0->mark = 0x05DDC33C;
|
||||
Head0->ListDataSize = ListQty * 2;
|
||||
for (int i = 0; i < ListQty; i++) {
|
||||
unsigned short* l0 = (unsigned short*) &outputdata[sizeof(ColPicHead3)];
|
||||
l0[i] = Listu16[i].colo16;
|
||||
}
|
||||
enqty = Byte8bitEncode(fromcolor16, (unsigned short*) &outputdata[sizeof(ColPicHead3)], Head0->ListDataSize >> 1, dotsqty,
|
||||
&outputdata[sizeof(ColPicHead3) + Head0->ListDataSize],
|
||||
outputmaxtsize - sizeof(ColPicHead3) - Head0->ListDataSize);
|
||||
Head0->ColorDataSize = enqty;
|
||||
Head0->PicW = picw;
|
||||
Head0->PicH = pich;
|
||||
return sizeof(ColPicHead3) + Head0->ListDataSize + Head0->ColorDataSize;
|
||||
}
|
||||
|
||||
int ColPic_EncodeStr(unsigned short* fromcolor16, int picw, int pich, unsigned char* outputdata, int outputmaxtsize, int colorsmax)
|
||||
{
|
||||
int qty = 0;
|
||||
int temp = 0;
|
||||
int strindex = 0;
|
||||
int hexindex = 0;
|
||||
unsigned char TempBytes[4];
|
||||
qty = ColPicEncode(fromcolor16, picw, pich, outputdata, outputmaxtsize, colorsmax);
|
||||
if (qty == 0)
|
||||
return 0;
|
||||
temp = 3 - (qty % 3);
|
||||
while (temp > 0) {
|
||||
outputdata[qty] = 0;
|
||||
qty++;
|
||||
temp--;
|
||||
}
|
||||
if ((qty * 4 / 3) >= outputmaxtsize)
|
||||
return 0;
|
||||
hexindex = qty;
|
||||
strindex = (qty * 4 / 3);
|
||||
while (hexindex > 0) {
|
||||
hexindex -= 3;
|
||||
strindex -= 4;
|
||||
|
||||
TempBytes[0] = (unsigned char) (outputdata[hexindex] >> 2);
|
||||
TempBytes[1] = (unsigned char) (outputdata[hexindex] & 3);
|
||||
TempBytes[1] <<= 4;
|
||||
TempBytes[1] += ((unsigned char) (outputdata[hexindex + 1] >> 4));
|
||||
TempBytes[2] = (unsigned char) (outputdata[hexindex + 1] & 15);
|
||||
TempBytes[2] <<= 2;
|
||||
TempBytes[2] += ((unsigned char) (outputdata[hexindex + 2] >> 6));
|
||||
TempBytes[3] = (unsigned char) (outputdata[hexindex + 2] & 63);
|
||||
|
||||
TempBytes[0] += 48;
|
||||
if (TempBytes[0] == (unsigned char) '\\')
|
||||
TempBytes[0] = 126;
|
||||
TempBytes[0 + 1] += 48;
|
||||
if (TempBytes[0 + 1] == (unsigned char) '\\')
|
||||
TempBytes[0 + 1] = 126;
|
||||
TempBytes[0 + 2] += 48;
|
||||
if (TempBytes[0 + 2] == (unsigned char) '\\')
|
||||
TempBytes[0 + 2] = 126;
|
||||
TempBytes[0 + 3] += 48;
|
||||
if (TempBytes[0 + 3] == (unsigned char) '\\')
|
||||
TempBytes[0 + 3] = 126;
|
||||
|
||||
outputdata[strindex] = TempBytes[0];
|
||||
outputdata[strindex + 1] = TempBytes[1];
|
||||
outputdata[strindex + 2] = TempBytes[2];
|
||||
outputdata[strindex + 3] = TempBytes[3];
|
||||
}
|
||||
qty = qty * 4 / 3;
|
||||
outputdata[qty] = 0;
|
||||
return qty;
|
||||
}
|
||||
|
||||
} // namespace Slic3r::GCodeThumbnails
|
||||
Loading…
Add table
Add a link
Reference in a new issue