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annotate src/dmlinefunc.h @ 2298:b5abfff07ca9

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Add new DMGrowBuf helper functions dmGrowBufCopyOffsSize() and dmGrowBufConstCopyOffsSize().
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 04 Jul 2019 10:54:16 +0300
parents f654435df15e
children
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2 #define DM_DRAWLINE_NAME dmDrawLine8
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3 #define DM_DRAWLINE_DST_BYTES 1
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4 #define DM_DRAWLINE_DST_TYPE Uint8
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5 #define DM_DRAWLINE_INNER pix[y0 + x0] = col;
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6 #include "dmdrawline.h"
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9 #define DM_DRAWLINE_NAME dmDrawLine32
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10 #define DM_DRAWLINE_DST_BYTES 4
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11 #define DM_DRAWLINE_DST_TYPE Uint32
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12 #define DM_DRAWLINE_INNER pix[y0 + x0] = col;
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13 #include "dmdrawline.h"
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16 #define DM_DRAWLINE_NAME dmDrawLine8Transparent
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17 #define DM_DRAWLINE_DST_BYTES 1
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18 #define DM_DRAWLINE_DST_TYPE Uint8
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19 #define DM_DRAWLINE_INNER \
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20 pix[y0 + x0] = ((int)pix[y0 + x0] + col) >> 1;
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21 #include "dmdrawline.h"
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24 #define DM_DRAWLINE_NAME dmDrawLine32Transparent
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25 #define DM_DRAWLINE_DST_BYTES 4
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26 #define DM_DRAWLINE_DST_TYPE DMColor
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27 #define DM_DRAWLINE_INIT const DMColor *c = (DMColor*) &col;
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28 #define DM_DRAWLINE_INNER \
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29 const DMColor q = pix[y0 + x0]; \
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30 const int qr = (q.r + c->r) >> 1, qg = (q.g + c->g) >> 1, qb = (q.b + c->b) >> 1; \
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31 pix[y0 + x0].r = qr; \
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32 pix[y0 + x0].g = qg; \
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33 pix[y0 + x0].b = qb;
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34 #include "dmdrawline.h"
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39 #define DM_DRAWLINE_NAME dmDrawLine8Saturate
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40 #define DM_DRAWLINE_DST_BYTES 1
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41 #define DM_DRAWLINE_DST_TYPE Uint8
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42 #define DM_DRAWLINE_INNER \
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43 const int q = pix[y0 + x0] + col; \
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44 pix[y0 + x0] = q < 255 ? q : 255;
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45 #include "dmdrawline.h"
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48 #define DM_DRAWLINE_NAME dmDrawLine32Saturate
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49 #define DM_DRAWLINE_DST_BYTES 4
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50 #define DM_DRAWLINE_DST_TYPE DMColor
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51 #define DM_DRAWLINE_INIT const DMColor *c = (DMColor*) &col;
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52 #define DM_DRAWLINE_INNER \
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53 const DMColor q = pix[y0 + x0]; \
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54 const int qr = q.r + c->r, qg = q.g + c->g, qb = q.b + c->b; \
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55 pix[y0 + x0].r = qr < 255 ? qr : 255; \
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56 pix[y0 + x0].g = qg < 255 ? qg : 255; \
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57 pix[y0 + x0].b = qb < 255 ? qb : 255;
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58 #include "dmdrawline.h"
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