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view dmlinefunc.h @ 510:43ea59887c69

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Start work on making C64 formats encoding possible by changing DMDecodeOps to DMEncDecOps and adding fields and op enums for custom encode functions, renaming, etc. Split generic op sanity checking into a separate function in preparation for its use in generic encoding function.
author Matti Hamalainen <ccr@tnsp.org>
date Mon, 19 Nov 2012 15:06:01 +0200
parents c2bf01e180a3
children
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#define DM_DRAWLINE_NAME dmDrawLine8
#define DM_DRAWLINE_DST_BYTES 1
#define DM_DRAWLINE_DST_TYPE Uint8
#define DM_DRAWLINE_INNER pix[y0 + x0] = col;
#include "dmdrawline.h"


#define DM_DRAWLINE_NAME dmDrawLine32
#define DM_DRAWLINE_DST_BYTES 4
#define DM_DRAWLINE_DST_TYPE Uint32
#define DM_DRAWLINE_INNER pix[y0 + x0] = col;
#include "dmdrawline.h"


#define DM_DRAWLINE_NAME dmDrawLine8Transparent
#define DM_DRAWLINE_DST_BYTES 1
#define DM_DRAWLINE_DST_TYPE Uint8
#define DM_DRAWLINE_INNER \
  pix[y0 + x0] = ((int)pix[y0 + x0] + col) >> 1;
#include "dmdrawline.h"


#define DM_DRAWLINE_NAME dmDrawLine32Transparent
#define DM_DRAWLINE_DST_BYTES 4
#define DM_DRAWLINE_DST_TYPE DMRGBA32
#define DM_DRAWLINE_INIT const DMRGBA32 *c = (DMRGBA32*) &col;
#define DM_DRAWLINE_INNER \
  const DMRGBA32 q = pix[y0 + x0]; \
  const int qr = (q.r + c->r) >> 1, qg = (q.g + c->g) >> 1, qb = (q.b + c->b) >> 1;  \
  pix[y0 + x0].r = qr; \
  pix[y0 + x0].g = qg; \
  pix[y0 + x0].b = qb;
#include "dmdrawline.h"




#define DM_DRAWLINE_NAME dmDrawLine8Saturate
#define DM_DRAWLINE_DST_BYTES 1
#define DM_DRAWLINE_DST_TYPE Uint8
#define DM_DRAWLINE_INNER \
  const int q = pix[y0 + x0] + col; \
  pix[y0 + x0] = q < 255 ? q : 255;
#include "dmdrawline.h"


#define DM_DRAWLINE_NAME dmDrawLine32Saturate
#define DM_DRAWLINE_DST_BYTES 4
#define DM_DRAWLINE_DST_TYPE DMRGBA32
#define DM_DRAWLINE_INIT const DMRGBA32 *c = (DMRGBA32*) &col;
#define DM_DRAWLINE_INNER \
  const DMRGBA32 q = pix[y0 + x0]; \
  const int qr = q.r + c->r, qg = q.g + c->g, qb = q.b + c->b;  \
  pix[y0 + x0].r = qr < 255 ? qr : 255; \
  pix[y0 + x0].g = qg < 255 ? qg : 255; \
  pix[y0 + x0].b = qb < 255 ? qb : 255;
#include "dmdrawline.h"