diff options
Diffstat (limited to 'thirdparty/thorvg/src/loaders/jpg/tvgJpgd.cpp')
| -rw-r--r-- | thirdparty/thorvg/src/loaders/jpg/tvgJpgd.cpp | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/thirdparty/thorvg/src/loaders/jpg/tvgJpgd.cpp b/thirdparty/thorvg/src/loaders/jpg/tvgJpgd.cpp index 56b40acf0b..6ea2efb054 100644 --- a/thirdparty/thorvg/src/loaders/jpg/tvgJpgd.cpp +++ b/thirdparty/thorvg/src/loaders/jpg/tvgJpgd.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2021 - 2022 Samsung Electronics Co., Ltd. All rights reserved. + * Copyright (c) 2021 - 2023 the ThorVG project. All rights reserved. * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -80,7 +80,7 @@ enum jpgd_status enum { JPGD_IN_BUF_SIZE = 8192, JPGD_MAX_BLOCKS_PER_MCU = 10, JPGD_MAX_HUFF_TABLES = 8, JPGD_MAX_QUANT_TABLES = 4, - JPGD_MAX_COMPONENTS = 4, JPGD_MAX_COMPS_IN_SCAN = 4, JPGD_MAX_BLOCKS_PER_ROW = 8192, JPGD_MAX_HEIGHT = 16384, JPGD_MAX_WIDTH = 16384 + JPGD_MAX_COMPONENTS = 4, JPGD_MAX_COMPS_IN_SCAN = 4, JPGD_MAX_BLOCKS_PER_ROW = 8192, JPGD_MAX_HEIGHT = 16384, JPGD_MAX_WIDTH = 16384 }; // Input stream interface. @@ -151,7 +151,7 @@ public: // If JPGD_SUCCESS is returned you may then call decode() on each scanline. int begin_decoding(); // Returns the next scan line. - // For grayscale images, pScan_line will point to a buffer containing 8-bit pixels (get_bytes_per_pixel() will return 1). + // For grayscale images, pScan_line will point to a buffer containing 8-bit pixels (get_bytes_per_pixel() will return 1). // Otherwise, it will always point to a buffer containing 32-bit RGBA pixels (A will always be 255, and get_bytes_per_pixel() will return 4). // Returns JPGD_SUCCESS if a scan line has been returned. // Returns JPGD_DONE if all scan lines have been returned. @@ -1246,7 +1246,7 @@ void jpeg_decoder::read_sof_marker() uint32_t num_left = get_bits(16); if (get_bits(8) != 8) stop_decoding(JPGD_BAD_PRECISION); /* precision: sorry, only 8-bit precision is supported right now */ - + m_image_y_size = get_bits(16); if ((m_image_y_size < 1) || (m_image_y_size > JPGD_MAX_HEIGHT)) stop_decoding(JPGD_BAD_HEIGHT); @@ -1326,7 +1326,7 @@ void jpeg_decoder::read_sos_marker() } num_left -= 3; - while (num_left) { /* read past whatever is num_left */ + while (num_left) { /* read past whatever is num_left */ get_bits(8); num_left--; } @@ -1411,7 +1411,7 @@ int jpeg_decoder::process_markers() stop_decoding(JPGD_UNEXPECTED_MARKER); break; } - default: { /* must be DNL, DHP, EXP, APPn, JPGn, COM, or RESn or APP0 */ + default: { /* must be DNL, DHP, EXP, APPn, JPGn, COM, or RESn or APP0 */ skip_variable_marker(); break; } @@ -1441,7 +1441,7 @@ void jpeg_decoder::locate_soi_marker() if (lastchar == 0xFF) { if (thischar == M_SOI) break; - else if (thischar == M_EOI) stop_decoding(JPGD_NOT_JPEG); // get_bits will keep returning M_EOI if we read past the end + else if (thischar == M_EOI) stop_decoding(JPGD_NOT_JPEG); // get_bits will keep returning M_EOI if we read past the end } } @@ -1460,7 +1460,7 @@ void jpeg_decoder::locate_sof_marker() switch (c) { case M_SOF2: m_progressive_flag = true; case M_SOF0: /* baseline DCT */ - case M_SOF1: { /* extended sequential DCT */ + case M_SOF1: { /* extended sequential DCT */ read_sof_marker(); break; } @@ -1671,7 +1671,7 @@ void jpeg_decoder::transform_mcu_expand(int mcu_row) JPGD_ASSERT(m_mcu_block_max_zag[mcu_block] >= 1); JPGD_ASSERT(m_mcu_block_max_zag[mcu_block] <= 64); - int max_zag = m_mcu_block_max_zag[mcu_block++] - 1; + int max_zag = m_mcu_block_max_zag[mcu_block++] - 1; if (max_zag <= 0) max_zag = 0; // should never happen, only here to shut up static analysis switch (s_max_rc[max_zag]) { @@ -1789,7 +1789,7 @@ void jpeg_decoder::load_next_row() p[0] = pDC[0]; memcpy(&p[1], &pAC[1], 63 * sizeof(jpgd_block_t)); - for (i = 63; i > 0; i--) { + for (i = 63; i > 0; i--) { if (p[g_ZAG[i]]) break; } @@ -1809,7 +1809,7 @@ void jpeg_decoder::load_next_row() if (++block_y_mcu_ofs == m_comp_v_samp[component_id]) { block_y_mcu_ofs = 0; block_x_mcu[component_id] += m_comp_h_samp[component_id]; - } + } } } if (m_freq_domain_chroma_upsample) transform_mcu_expand(mcu_row); @@ -1865,7 +1865,7 @@ void jpeg_decoder::process_restart() static inline int dequantize_ac(int c, int q) -{ +{ c *= q; return c; } @@ -1910,7 +1910,7 @@ void jpeg_decoder::decode_next_row() while (n--) p[g_ZAG[kt++]] = 0; } k += r; - } + } s = JPGD_HUFF_EXTEND(extra_bits, s); JPGD_ASSERT(k < 64); p[g_ZAG[k]] = static_cast<jpgd_block_t>(dequantize_ac(s, q[k])); //s * q[k]; @@ -2204,7 +2204,7 @@ int jpeg_decoder::decode(const void** pScan_line, uint32_t* pScan_line_len) } else *pScan_line = m_pScan_line_1; break; - } + } case JPGD_YH2V1: { H2V1Convert(); *pScan_line = m_pScan_line_0; @@ -2609,11 +2609,11 @@ void jpeg_decoder::decode_block_ac_refine(jpeg_decoder *pD, int component_id, in int p1 = 1 << pD->m_successive_low; int m1 = static_cast<unsigned int>(-1) << pD->m_successive_low; jpgd_block_t *p = pD->coeff_buf_getp(pD->m_ac_coeffs[component_id], block_x, block_y); - + JPGD_ASSERT(pD->m_spectral_end <= 63); - + k = pD->m_spectral_start; - + if (pD->m_eob_run == 0) { for ( ; k <= pD->m_spectral_end; k++) { s = pD->huff_decode(pD->m_pHuff_tabs[pD->m_comp_ac_tab[component_id]]); |