Searched refs:png_ptr (Results 1 – 1 of 1) sorted by relevance
| /petsc/src/sys/classes/draw/utils/ |
| H A D | image.c | 62 #define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf) argument
69 png_struct *png_ptr; in PetscDrawImageSavePNG() local
80 png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); in PetscDrawImageSavePNG()
81 PetscCheck(png_ptr, PETSC_COMM_SELF, PETSC_ERR_LIB, "Cannot create PNG context"); in PetscDrawImageSavePNG()
82 info_ptr = png_create_info_struct(png_ptr); in PetscDrawImageSavePNG()
87 if (setjmp(png_jmpbuf(png_ptr))) { in PetscDrawImageSavePNG()
88 png_destroy_write_struct(&png_ptr, &info_ptr); in PetscDrawImageSavePNG()
95 png_init_io(png_ptr, fp); in PetscDrawImageSavePNG()
96 …png_set_IHDR(png_ptr, info_ptr, w, h, /*depth*/ 8, palette ? PNG_COLOR_TYPE_PALETTE : PNG_COLOR_TY… in PetscDrawImageSavePNG()
97 if (palette) png_set_PLTE(png_ptr, info_ptr, (png_color *)palette, 256); in PetscDrawImageSavePNG()
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