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update libslic3r

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QIDI TECH
2025-07-08 20:00:47 +08:00
parent bafe693d0a
commit e0d447172c
64 changed files with 2958 additions and 712 deletions
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11
src/libslic3r/PNGReadWrite.cpp
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@@ -185,7 +185,7 @@ bool decode_colored_png(const ReadBuf &in_buf, ImageColorscale &out_img)
// Based on https://www.lemoda.net/c/write-png/
// png_color_type is PNG_COLOR_TYPE_RGB or PNG_COLOR_TYPE_GRAY
//FIXME maybe better to use tdefl_write_image_to_png_file_in_memory() instead?
static bool write_rgb_or_gray_to_file(const char *file_name_utf8, size_t width, size_t height, int png_color_type, const uint8_t *data)
static bool write_rgb_or_gray_to_file(const char *file_name_utf8, size_t width, size_t height, int png_color_type, const uint8_t *data, bool flip = false)
{
bool result = false;
@@ -235,10 +235,12 @@ static bool write_rgb_or_gray_to_file(const char *file_name_utf8, size_t width,
int line_width = width;
if (png_color_type == PNG_COLOR_TYPE_RGB)
line_width *= 3;
else if (png_color_type == PNG_COLOR_TYPE_RGBA)
line_width *= 4;
for (size_t y = 0; y < height; ++ y) {
auto row = reinterpret_cast<png_byte*>(::png_malloc(png_ptr, line_width));
row_pointers[y] = row;
memcpy(row, data + line_width * y, line_width);
memcpy(row, data + line_width * (flip ? (height - 1 - y) : y), line_width);
}
}
@@ -262,6 +264,11 @@ fopen_failed:
return result;
}
bool write_gl_rgba_to_file(const char* file_name_utf8, size_t width, size_t height, const uint8_t* data_rgb)
{
return write_rgb_or_gray_to_file(file_name_utf8, width, height, PNG_COLOR_TYPE_RGBA, data_rgb, true);
}
bool write_rgb_to_file(const char *file_name_utf8, size_t width, size_t height, const uint8_t *data_rgb)
{
return write_rgb_or_gray_to_file(file_name_utf8, width, height, PNG_COLOR_TYPE_RGB, data_rgb);