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/* imposter (OO.org Impress viewer)
** Copyright (C) 2003-2005 Gurer Ozen
** This code is free software; you can redistribute it and/or
** modify it under the terms of GNU General Public License.
*/
#include <config.h>
#include "common.h"
#include "internal.h"
#include <math.h>
void
_imp_draw_rect(ImpRenderCtx *ctx, void *drw_data, int fill, int x, int y, int w, int h, int round)
{
int a;
if (0 == round) {
ctx->drw->draw_rect(drw_data, fill, x, y, w, h);
return;
}
ctx->drw->draw_arc(drw_data, fill,
x, y, round, round, 90, 90);
ctx->drw->draw_arc(drw_data, fill,
x + w - round, y, round, round, 0, 90);
ctx->drw->draw_arc(drw_data, fill,
x + w - round, y + h - round, round, round, 270, 90);
ctx->drw->draw_arc(drw_data, fill,
x, y + h - round, round, round, 180, 90);
a = round / 2;
if (fill) {
ctx->drw->draw_rect(drw_data, 1, x + a, y, w - a - a, h);
ctx->drw->draw_rect(drw_data, 1, x, y + a, w, h - a - a);
return;
}
ctx->drw->draw_line(drw_data, x + a, y, x + w - a, y);
ctx->drw->draw_line(drw_data, x + a, y + h, x + w - a, y + h);
ctx->drw->draw_line(drw_data, x, y + a, x, y + h - a);
ctx->drw->draw_line(drw_data, x + w, y + a, x + w, y + h - a);
}
void
_imp_draw_line_end(ImpRenderCtx *ctx, void *drw_data, int type, int size, int x, int y, int x2, int y2)
{
ImpPoint pts[4];
double ia, a;
// FIXME: different types and sizes
pts[0].x = x2;
pts[0].y = y2;
ia = 20 * 3.14 * 2 / 360;
if (x2-x == 0) {
if (y < y2) a = 3.14 + (3.14 / 2); else a = (3.14 / 2);
} else if (y2-y == 0) {
if (x < x2) a = 3.14; else a = 0;
} else
a = atan ((y2-y) / (x2-x)) - 3.14;
pts[1].x = x2 + 0.3 * ctx->fact_x * cos (a - ia);
pts[1].y = y2 + 0.3 * ctx->fact_y * sin (a - ia);
pts[2].x = x2 + 0.3 * ctx->fact_x * cos (a + ia);
pts[2].y = y2 + 0.3 * ctx->fact_y * sin (a + ia);
ctx->drw->draw_polygon(drw_data, 1, pts, 3);
}
void
_imp_draw_image(ImpRenderCtx *ctx, void *drw_data, const char *name, int x, int y, int w, int h)
{
void *img1, *img2;
char *pix;
size_t len;
len = zip_get_size(ctx->page->doc->zfile, name);
pix = malloc(len);
if (!pix) return;
zip_load(ctx->page->doc->zfile, name, pix);
img1 = ctx->drw->open_image(drw_data, pix, len);
free(pix);
if (!img1) return;
img2 = ctx->drw->scale_image(drw_data, img1, w, h);
if (img2) {
ctx->drw->draw_image(drw_data, img2, x, y, w, h);
ctx->drw->close_image(drw_data, img2);
}
ctx->drw->close_image(drw_data, img1);
}
void
_imp_tile_image(ImpRenderCtx *ctx, void *drw_data, const char *name, int x, int y, int w, int h)
{
void *img1;
char *pix;
size_t len;
int gx, gy, gw, gh;
len = zip_get_size(ctx->page->doc->zfile, name);
pix = malloc(len);
if (!pix) return;
zip_load(ctx->page->doc->zfile, name, pix);
img1 = ctx->drw->open_image(drw_data, pix, len);
free(pix);
if (!img1) return;
ctx->drw->get_image_size(drw_data, img1, &gw, &gh);
for (gx = x; gx < w; gx += gw) {
for (gy = y; gy < h; gy += gh) {
ctx->drw->draw_image(drw_data, img1, gx, gy, gw, gh);
}
}
ctx->drw->close_image(drw_data, img1);
}
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