Alexandre Julliard : gdi32: Add helper functions for copying a DIB line.
Module: wine Branch: master Commit: 5fd305c31f98d581c165ed4d314fc79d60d8c835 URL: http://source.winehq.org/git/wine.git/?a=commit;h=5fd305c31f98d581c165ed4d31... Author: Alexandre Julliard <julliard(a)winehq.org> Date: Thu Sep 22 10:18:14 2011 +0200 gdi32: Add helper functions for copying a DIB line. --- dlls/gdi32/dibdrv/primitives.c | 96 +++++++++++++++++++++++---------------- 1 files changed, 57 insertions(+), 39 deletions(-) diff --git a/dlls/gdi32/dibdrv/primitives.c b/dlls/gdi32/dibdrv/primitives.c index c102f9c..de0993b 100644 --- a/dlls/gdi32/dibdrv/primitives.c +++ b/dlls/gdi32/dibdrv/primitives.c @@ -104,6 +104,57 @@ static inline void do_rop_codes_mask_8(BYTE *dst, BYTE src, struct rop_codes *co do_rop_mask_8( dst, (src & codes->a1) ^ codes->a2, (src & codes->x1) ^ codes->x2, mask ); } +static inline void do_rop_codes_line_32(DWORD *dst, const DWORD *src, struct rop_codes *codes, int len) +{ + for (; len > 0; len--, src++, dst++) do_rop_codes_32( dst, *src, codes ); +} + +static inline void do_rop_codes_line_16(WORD *dst, const WORD *src, struct rop_codes *codes, int len) +{ + for (; len > 0; len--, src++, dst++) do_rop_codes_16( dst, *src, codes ); +} + +static inline void do_rop_codes_line_8(BYTE *dst, const BYTE *src, struct rop_codes *codes, int len) +{ + for (; len > 0; len--, src++, dst++) do_rop_codes_8( dst, *src, codes ); +} + +static inline void do_rop_codes_line_4(BYTE *dst, int dst_x, const BYTE *src, int src_x, + struct rop_codes *codes, int len) +{ + BYTE src_val; + + for (src += src_x / 2, dst += dst_x / 2; len > 0; len--, dst_x++, src_x++) + { + if (dst_x & 1) + { + if (src_x & 1) src_val = *src++; + else src_val = *src >> 4; + do_rop_codes_mask_8( dst++, src_val, codes, 0x0f ); + } + else + { + if (src_x & 1) src_val = *src++ << 4; + else src_val = *src; + do_rop_codes_mask_8( dst, src_val, codes, 0xf0 ); + } + } +} + +static inline void do_rop_codes_line_1(BYTE *dst, int dst_x, const BYTE *src, int src_x, + struct rop_codes *codes, int len) +{ + BYTE src_val; + + for (src += src_x / 8, dst += dst_x / 8; len > 0; len--, dst_x++, src_x++) + { + src_val = *src & pixel_masks_1[src_x & 7] ? 0xff : 0; + do_rop_codes_mask_8( dst, src_val, codes, pixel_masks_1[dst_x & 7] ); + if ((src_x & 7) == 7) src++; + if ((dst_x & 7) == 7) dst++; + } +} + static void solid_rects_32(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor) { DWORD *ptr, *start; @@ -706,9 +757,7 @@ static void copy_rect_32(const dib_info *dst, const RECT *rc, get_rop_codes( rop2, &codes ); for (y = rc->top; y < rc->bottom; y++) { - for (x = rc->left, dst_ptr = dst_start, src_ptr = src_start; x < rc->right; x++) - do_rop_codes_32( dst_ptr++, *src_ptr++, &codes ); - + do_rop_codes_line_32( dst_start, src_start, &codes, rc->right - rc->left ); dst_start += dst->stride / 4; src_start += src->stride / 4; } @@ -750,12 +799,7 @@ static void copy_rect_24(const dib_info *dst, const RECT *rc, get_rop_codes( rop2, &codes ); for (y = rc->top; y < rc->bottom; y++) { - for (x = rc->left, dst_ptr = dst_start, src_ptr = src_start; x < rc->right; x++) - { - do_rop_codes_8( dst_ptr++, *src_ptr++, &codes ); - do_rop_codes_8( dst_ptr++, *src_ptr++, &codes ); - do_rop_codes_8( dst_ptr++, *src_ptr++, &codes ); - } + do_rop_codes_line_8( dst_start, src_start, &codes, (rc->right - rc->left) * 3 ); dst_start += dst->stride; src_start += src->stride; } @@ -797,9 +841,7 @@ static void copy_rect_16(const dib_info *dst, const RECT *rc, get_rop_codes( rop2, &codes ); for (y = rc->top; y < rc->bottom; y++) { - for (x = rc->left, dst_ptr = dst_start, src_ptr = src_start; x < rc->right; x++) - do_rop_codes_16( dst_ptr++, *src_ptr++, &codes ); - + do_rop_codes_line_16( dst_start, src_start, &codes, rc->right - rc->left ); dst_start += dst->stride / 2; src_start += src->stride / 2; } @@ -841,9 +883,7 @@ static void copy_rect_8(const dib_info *dst, const RECT *rc, get_rop_codes( rop2, &codes ); for (y = rc->top; y < rc->bottom; y++) { - for (x = rc->left, dst_ptr = dst_start, src_ptr = src_start; x < rc->right; x++) - do_rop_codes_8( dst_ptr++, *src_ptr++, &codes ); - + do_rop_codes_line_8( dst_start, src_start, &codes, rc->right - rc->left ); dst_start += dst->stride; src_start += src->stride; } @@ -888,21 +928,7 @@ static void copy_rect_4(const dib_info *dst, const RECT *rc, get_rop_codes( rop2, &codes ); for (y = rc->top; y < rc->bottom; y++) { - for (x = rc->left, src_x = origin->x, dst_ptr = dst_start, src_ptr = src_start; x < rc->right; x++, src_x++) - { - if (x & 1) - { - if (src_x & 1) src_val = *src_ptr++; - else src_val = *src_ptr >> 4; - do_rop_codes_mask_8( dst_ptr++, src_val, &codes, 0x0f ); - } - else - { - if (src_x & 1) src_val = *src_ptr++ << 4; - else src_val = *src_ptr; - do_rop_codes_mask_8( dst_ptr, src_val, &codes, 0xf0 ); - } - } + do_rop_codes_line_4( dst_start, rc->left, src_start, origin->x, &codes, rc->right - rc->left ); dst_start += dst->stride; src_start += src->stride; } @@ -947,15 +973,7 @@ static void copy_rect_1(const dib_info *dst, const RECT *rc, get_rop_codes( rop2, &codes ); for (y = rc->top; y < rc->bottom; y++) { - dst_bitpos = rc->left & 7; - src_bitpos = origin->x & 7; - for (x = rc->left, dst_ptr = dst_start, src_ptr = src_start; x < rc->right; x++) - { - src_val = *src_ptr & pixel_masks_1[src_bitpos] ? 0xff : 0; - do_rop_codes_mask_8( dst_ptr, src_val, &codes, pixel_masks_1[dst_bitpos] ); - if (dst_bitpos++ == 7) { dst_ptr++, dst_bitpos = 0; } - if (src_bitpos++ == 7) { src_ptr++, src_bitpos = 0; } - } + do_rop_codes_line_1( dst_start, rc->left, src_start, origin->x, &codes, rc->right - rc->left ); dst_start += dst->stride; src_start += src->stride; }
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Alexandre Julliard