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pierre
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#ifndef GD_H
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#define GD_H 1
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/* gd.h: declarations file for the gifdraw module.
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Written by Tom Boutell, 5/94.
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Copyright 1994, Cold Spring Harbor Labs.
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Permission granted to use this code in any fashion provided
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that this notice is retained and any alterations are
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labeled as such. It is requested, but not required, that
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you share extensions to this module with us so that we
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can incorporate them into new versions. */
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/* stdio is needed for file I/O. */
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#include <stdio.h>
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/* This can't be changed, it's part of the GIF specification. */
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#define gdMaxColors 256
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/* Image type. See functions below; you will not need to change
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the elements directly. Use the provided macros to
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access sx, sy, the color table, and colorsTotal for
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read-only purposes. */
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typedef struct gdImageStruct {
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unsigned char ** pixels;
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int sx;
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int sy;
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int colorsTotal;
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int red[gdMaxColors];
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int green[gdMaxColors];
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int blue[gdMaxColors];
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int open[gdMaxColors];
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int transparent;
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int *polyInts;
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int polyAllocated;
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struct gdImageStruct *brush;
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struct gdImageStruct *tile;
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int brushColorMap[gdMaxColors];
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int tileColorMap[gdMaxColors];
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int styleLength;
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int stylePos;
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int *style;
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int interlace;
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} gdImage;
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typedef gdImage * gdImagePtr;
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typedef struct {
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/* # of characters in font */
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int nchars;
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/* First character is numbered... (usually 32 = space) */
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int offset;
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/* Character width and height */
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int w;
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int h;
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/* Font data; array of characters, one row after another.
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Easily included in code, also easily loaded from
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data files. */
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char *data;
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} gdFont;
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/* Text functions take these. */
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typedef gdFont *gdFontPtr;
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/* For backwards compatibility only. Use gdImageSetStyle()
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for MUCH more flexible line drawing. Also see
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gdImageSetBrush(). */
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#define gdDashSize 4
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/* Special colors. */
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#define gdStyled (-2)
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#define gdBrushed (-3)
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#define gdStyledBrushed (-4)
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#define gdTiled (-5)
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/* NOT the same as the transparent color index.
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This is used in line styles only. */
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#define gdTransparent (-6)
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/* Functions to manipulate images. */
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gdImagePtr gdImageCreate(int sx, int sy);
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gdImagePtr gdImageCreateFromGif(FILE *fd);
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gdImagePtr gdImageCreateFromGd(FILE *in);
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gdImagePtr gdImageCreateFromXbm(FILE *fd);
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void gdImageDestroy(gdImagePtr im);
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void gdImageSetPixel(gdImagePtr im, int x, int y, int color);
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int gdImageGetPixel(gdImagePtr im, int x, int y);
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void gdImageLine(gdImagePtr im, int x1, int y1, int x2, int y2, int color);
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/* For backwards compatibility only. Use gdImageSetStyle()
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for much more flexible line drawing. */
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void gdImageDashedLine(gdImagePtr im, int x1, int y1, int x2, int y2, int color);
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/* Corners specified (not width and height). Upper left first, lower right
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second. */
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void gdImageRectangle(gdImagePtr im, int x1, int y1, int x2, int y2, int color);
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/* Solid bar. Upper left corner first, lower right corner second. */
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void gdImageFilledRectangle(gdImagePtr im, int x1, int y1, int x2, int y2, int color);
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int gdImageBoundsSafe(gdImagePtr im, int x, int y);
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void gdImageChar(gdImagePtr im, gdFontPtr f, int x, int y, int c, int color);
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void gdImageCharUp(gdImagePtr im, gdFontPtr f, int x, int y, int c, int color);
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void gdImageString(gdImagePtr im, gdFontPtr f, int x, int y, unsigned char *s, int color);
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void gdImageStringUp(gdImagePtr im, gdFontPtr f, int x, int y, unsigned char *s, int color);
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void gdImageString16(gdImagePtr im, gdFontPtr f, int x, int y, unsigned short *s, int color);
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void gdImageStringUp16(gdImagePtr im, gdFontPtr f, int x, int y, unsigned short *s, int color);
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/* Point type for use in polygon drawing. */
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typedef struct {
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int x, y;
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} gdPoint, *gdPointPtr;
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void gdImagePolygon(gdImagePtr im, gdPointPtr p, int n, int c);
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void gdImageFilledPolygon(gdImagePtr im, gdPointPtr p, int n, int c);
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int gdImageColorAllocate(gdImagePtr im, int r, int g, int b);
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int gdImageColorClosest(gdImagePtr im, int r, int g, int b);
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int gdImageColorExact(gdImagePtr im, int r, int g, int b);
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void gdImageColorDeallocate(gdImagePtr im, int color);
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void gdImageColorTransparent(gdImagePtr im, int color);
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void gdImageGif(gdImagePtr im, FILE *out);
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void gdImageGd(gdImagePtr im, FILE *out);
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void gdImageArc(gdImagePtr im, int cx, int cy, int w, int h, int s, int e, int color);
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void gdImageFillToBorder(gdImagePtr im, int x, int y, int border, int color);
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void gdImageFill(gdImagePtr im, int x, int y, int color);
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void gdImageCopy(gdImagePtr dst, gdImagePtr src, int dstX, int dstY, int srcX, int srcY, int w, int h);
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/* Stretches or shrinks to fit, as needed */
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void gdImageCopyResized(gdImagePtr dst, gdImagePtr src, int dstX, int dstY, int srcX, int srcY, int dstW, int dstH, int srcW, int srcH);
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void gdImageSetBrush(gdImagePtr im, gdImagePtr brush);
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void gdImageSetTile(gdImagePtr im, gdImagePtr tile);
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void gdImageSetStyle(gdImagePtr im, int *style, int noOfPixels);
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/* On or off (1 or 0) */
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void gdImageInterlace(gdImagePtr im, int interlaceArg);
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/* Macros to access information about images. READ ONLY. Changing
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these values will NOT have the desired result. */
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#define gdImageSX(im) ((im)->sx)
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#define gdImageSY(im) ((im)->sy)
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#define gdImageColorsTotal(im) ((im)->colorsTotal)
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#define gdImageRed(im, c) ((im)->red[(c)])
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#define gdImageGreen(im, c) ((im)->green[(c)])
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#define gdImageBlue(im, c) ((im)->blue[(c)])
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#define gdImageGetTransparent(im) ((im)->transparent)
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#define gdImageGetInterlaced(im) ((im)->interlace)
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#endif
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#include <stdio.h>
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#include "gd.h"
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#include "gdfontg.h"
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#include "gdfonts.h"
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int main(void)
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{
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/* Input and output files */
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FILE *in;
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FILE *out;
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/* Input and output images */
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gdImagePtr im_in, im_out;
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/* Brush image */
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gdImagePtr brush;
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/* Color indexes */
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int white;
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int blue;
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int red;
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int green;
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/* Points for polygon */
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gdPoint points[3];
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/* Create output image, 128 by 128 pixels. */
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im_out = gdImageCreate(128, 128);
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/* First color allocated is background. */
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white = gdImageColorAllocate(im_out, 255, 255, 255);
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/* Set transparent color. */
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gdImageColorTransparent(im_out, white);
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/* Try to load demoin.gif and paste part of it into the
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output image. */
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in = fopen("demoin.gif", "rb");
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if (!in) {
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fprintf(stderr, "Can't load source image; this demo\n");
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fprintf(stderr, "is much more impressive if demoin.gif\n");
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fprintf(stderr, "is available.\n");
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im_in = 0;
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} else {
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im_in = gdImageCreateFromGif(in);
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fclose(in);
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/* Now copy, and magnify as we do so */
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gdImageCopyResized(im_out, im_in,
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16, 16, 0, 0, 96, 96, 127, 127);
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}
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red = gdImageColorAllocate(im_out, 255, 0, 0);
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green = gdImageColorAllocate(im_out, 0, 255, 0);
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blue = gdImageColorAllocate(im_out, 0, 0, 255);
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/* Rectangle */
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gdImageLine(im_out, 8, 8, 120, 8, green);
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gdImageLine(im_out, 120, 8, 120, 120, green);
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gdImageLine(im_out, 120, 120, 8, 120, green);
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gdImageLine(im_out, 8, 120, 8, 8, green);
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/* Circle */
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gdImageArc(im_out, 64, 64, 30, 10, 0, 360, blue);
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/* Arc */
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gdImageArc(im_out, 64, 64, 20, 20, 45, 135, blue);
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/* Flood fill */
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gdImageFill(im_out, 4, 4, blue);
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/* Polygon */
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points[0].x = 32;
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points[0].y = 0;
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points[1].x = 0;
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points[1].y = 64;
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points[2].x = 64;
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points[2].y = 64;
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gdImageFilledPolygon(im_out, points, 3, green);
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/* Brush. A fairly wild example also involving a line style! */
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if (im_in) {
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int style[8];
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brush = gdImageCreate(8, 8);
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gdImageCopyResized(brush, im_in,
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0, 0, 0, 0,
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gdImageSX(brush), gdImageSY(brush),
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gdImageSX(im_in), gdImageSY(im_in));
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gdImageSetBrush(im_out, brush);
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/* With a style, so they won't overprint each other.
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Normally, they would, yielding a fat-brush effect. */
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style[0] = 0;
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style[1] = 0;
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style[2] = 0;
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style[3] = 0;
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style[4] = 0;
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style[5] = 0;
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style[6] = 0;
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style[7] = 1;
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gdImageSetStyle(im_out, style, 8);
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/* Draw the styled, brushed line */
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gdImageLine(im_out, 0, 127, 127, 0, gdStyledBrushed);
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}
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/* Text */
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gdImageString(im_out, gdFontGiant, 16, 16, "hi", red);
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gdImageStringUp(im_out, gdFontSmall, 32, 32, "hi", red);
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/* Make output image interlaced (allows "fade in" in some viewers,
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and in the latest web browsers) */
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gdImageInterlace(im_out, 1);
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out = fopen("demoout.gif", "wb");
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/* Write GIF */
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gdImageGif(im_out, out);
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fclose(out);
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gdImageDestroy(im_out);
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if (im_in) {
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gdImageDestroy(im_in);
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}
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return 0;
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}
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,21 @@
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#ifndef _GDFONTG_H_
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#define _GDFONTG_H_ 1
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/*
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This is a header file for gd font, generated using
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bdftogd version 0.51 by Jan Pazdziora, adelton@fi.muni.cz
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from bdf font
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-Misc-Fixed-Bold-R-Normal-Sans-15-140-75-75-C-90-ISO8859-2
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at Mon Jan 26 14:45:58 1998.
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The original bdf was holding following copyright:
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"Libor Skarvada, libor@informatics.muni.cz"
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*/
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#include "gd.h"
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extern gdFontPtr gdFontGiant;
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#endif
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,22 @@
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#ifndef _GDFONTL_H_
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#define _GDFONTL_H_ 1
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/*
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This is a header file for gd font, generated using
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bdftogd version 0.5 by Jan Pazdziora, adelton@fi.muni.cz
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from bdf font
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-misc-fixed-medium-r-normal--16-140-75-75-c-80-iso8859-2
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at Tue Jan 6 19:39:27 1998.
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The original bdf was holding following copyright:
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"Libor Skarvada, libor@informatics.muni.cz"
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*/
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#include "gd.h"
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extern gdFontPtr gdFontLarge;
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#endif
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,20 @@
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#ifndef _GDFONTMB_H_
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#define _GDFONTMB_H_ 1
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/*
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This is a header file for gd font, generated using
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bdftogd version 0.5 by Jan Pazdziora, adelton@fi.muni.cz
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from bdf font
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-misc-fixed-bold-r-normal-sans-13-94-100-100-c-70-iso8859-2
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at Thu Jan 8 13:54:57 1998.
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No copyright info was found in the original bdf.
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*/
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#include "gd.h"
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extern gdFontPtr gdFontMediumBold;
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#endif
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,20 @@
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#ifndef _GDFONTS_H_
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#define _GDFONTS_H_ 1
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/*
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This is a header file for gd font, generated using
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bdftogd version 0.5 by Jan Pazdziora, adelton@fi.muni.cz
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from bdf font
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-misc-fixed-medium-r-semicondensed-sans-12-116-75-75-c-60-iso8859-2
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at Thu Jan 8 14:13:20 1998.
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No copyright info was found in the original bdf.
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*/
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#include "gd.h"
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extern gdFontPtr gdFontSmall;
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#endif
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,21 @@
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#ifndef _GDFONTT_H_
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#define _GDFONTT_H_ 1
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/*
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This is a header file for gd font, generated using
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bdftogd version 0.5 by Jan Pazdziora, adelton@fi.muni.cz
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from bdf font
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-Misc-Fixed-Medium-R-Normal--8-80-75-75-C-50-ISO8859-2
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at Thu Jan 8 13:49:54 1998.
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The original bdf was holding following copyright:
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"Libor Skarvada, libor@informatics.muni.cz"
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*/
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#include "gd.h"
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extern gdFontPtr gdFontTiny;
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#endif
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Reference in New Issue