third-party/leptonica/prog/graphicstest.c
/*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following
- disclaimer in the documentation and/or other materials
- provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*====================================================================*/
/*
* graphicstest.c
*
* e.g.: graphicstest fish24.jpg junkout
*/
#include "allheaders.h"
int main(int argc,
char **argv)
{
char *filein, *fileout;
l_int32 d;
BOX *box1, *box2, *box3, *box4;
BOXA *boxa;
PIX *pixs, *pix1;
PTA *pta;
static char mainName[] = "graphicstest";
if (argc != 3)
return ERROR_INT(" Syntax: graphicstest filein fileout", mainName, 1);
filein = argv[1];
fileout = argv[2];
if ((pixs = pixRead(filein)) == NULL)
return ERROR_INT(" Syntax: pixs not made", mainName, 1);
d = pixGetDepth(pixs);
if (d <= 8)
pix1 = pixConvertTo32(pixs);
else
pix1 = pixClone(pixs);
/* Paint on RGB */
pixRenderLineArb(pix1, 450, 20, 850, 320, 5, 200, 50, 125);
pixRenderLineArb(pix1, 30, 40, 440, 40, 5, 100, 200, 25);
pixRenderLineBlend(pix1, 30, 60, 440, 70, 5, 115, 200, 120, 0.3);
pixRenderLineBlend(pix1, 30, 600, 440, 670, 9, 215, 115, 30, 0.5);
pixRenderLineBlend(pix1, 130, 700, 540, 770, 9, 255, 255, 250, 0.4);
pixRenderLineBlend(pix1, 130, 800, 540, 870, 9, 0, 0, 0, 0.4);
box1 = boxCreate(70, 80, 300, 245);
box2 = boxCreate(470, 180, 150, 205);
box3 = boxCreate(520, 220, 160, 220);
box4 = boxCreate(570, 260, 160, 220);
boxa = boxaCreate(3);
boxaAddBox(boxa, box2, L_INSERT);
boxaAddBox(boxa, box3, L_INSERT);
boxaAddBox(boxa, box4, L_INSERT);
pixRenderBoxArb(pix1, box1, 3, 200, 200, 25);
pixRenderBoxaBlend(pix1, boxa, 17, 200, 200, 25, 0.4, 1);
pta = ptaCreate(5);
ptaAddPt(pta, 250, 300);
ptaAddPt(pta, 350, 450);
ptaAddPt(pta, 400, 600);
ptaAddPt(pta, 212, 512);
ptaAddPt(pta, 180, 375);
pixRenderPolylineBlend(pix1, pta, 17, 25, 200, 200, 0.5, 1, 1);
pixWrite(fileout, pix1, IFF_JFIF_JPEG);
pixDisplay(pix1, 200, 200);
pixDestroy(&pixs);
pixDestroy(&pix1);
boxDestroy(&box1);
boxaDestroy(&boxa);
ptaDestroy(&pta);
pixDestroy(&pixs);
return 0;
}