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//========================================================================
//
// GDKSplashOutputDev.cc
//
// Copyright 2003 Glyph & Cog, LLC
// Copyright 2004 Red Hat, Inc. (GDK port)
//
//========================================================================
#include <aconf.h>
#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
#include "gmem.h"
#include "SplashTypes.h"
#include "SplashBitmap.h"
#include "Object.h"
#include "GfxState.h"
#include "TextOutputDev.h"
#include "GDKSplashOutputDev.h"
//------------------------------------------------------------------------
// Constants and macros
//------------------------------------------------------------------------
#define xoutRound(x) ((int)(x + 0.5))
//------------------------------------------------------------------------
// GDKSplashOutputDev
//------------------------------------------------------------------------
static SplashColor makeSplashColor(int r, int g, int b)
{
SplashColor c;
c.rgb8 = splashMakeRGB8 (r, g, b);
return c;
}
GDKSplashOutputDev::GDKSplashOutputDev(GdkScreen *screen,
void (*redrawCbkA)(void *data),
void *redrawCbkDataA):
SplashOutputDev(splashModeRGB8, gFalse, makeSplashColor (255,255,255)),
incrementalUpdate (1)
{
redrawCbk = redrawCbkA;
redrawCbkData = redrawCbkDataA;
// create text object
text = new TextPage(gFalse);
}
GDKSplashOutputDev::~GDKSplashOutputDev() {
delete text;
}
void GDKSplashOutputDev::drawChar(GfxState *state, double x, double y,
double dx, double dy,
double originX, double originY,
CharCode code, Unicode *u, int uLen) {
text->addChar(state, x, y, dx, dy, code, u, uLen);
SplashOutputDev::drawChar(state, x, y, dx, dy, originX, originY,
code, u, uLen);
}
GBool GDKSplashOutputDev::beginType3Char(GfxState *state, double x, double y,
double dx, double dy,
CharCode code, Unicode *u, int uLen) {
text->addChar(state, x, y, dx, dy, code, u, uLen);
return SplashOutputDev::beginType3Char(state, x, y, dx, dy, code, u, uLen);
}
void GDKSplashOutputDev::clear() {
startDoc(NULL);
startPage(0, NULL);
}
void GDKSplashOutputDev::startPage(int pageNum, GfxState *state) {
SplashOutputDev::startPage(pageNum, state);
text->startPage(state);
}
void GDKSplashOutputDev::endPage() {
SplashOutputDev::endPage();
if (!incrementalUpdate) {
(*redrawCbk)(redrawCbkData);
}
text->coalesce(gTrue);
}
void GDKSplashOutputDev::dump() {
if (incrementalUpdate) {
(*redrawCbk)(redrawCbkData);
}
}
void GDKSplashOutputDev::updateFont(GfxState *state) {
SplashOutputDev::updateFont(state);
text->updateFont(state);
}
void GDKSplashOutputDev::redraw(int srcX, int srcY,
GdkDrawable *drawable,
int destX, int destY,
int width, int height) {
SplashColorPtr dataPtr;
GdkGC *gc;
guchar *gdk_buf;
int gdk_rowstride;
int bw, x, y, r, g, b;
gdk_rowstride = width * 3;
/* better to draw nothing than crash on a huge image */
gdk_buf = (guchar*) g_try_malloc (height * gdk_rowstride);
if (gdk_buf == NULL)
return;
bw = getBitmap()->getWidth();
dataPtr = getBitmap()->getDataPtr();
for (y = 0; y < height; ++y)
{
SplashRGB8 *p;
SplashRGB8 rgb;
guchar *gdk_p;
p = dataPtr.rgb8 + (y + srcY) * bw + srcX;
gdk_p = gdk_buf + y * gdk_rowstride;
for (x = 0; x < width; ++x)
{
rgb = *p++;
r = splashRGB8R(rgb);
g = splashRGB8G(rgb);
b = splashRGB8B(rgb);
*gdk_p++ = r;
*gdk_p++ = g;
*gdk_p++ = b;
}
}
gc = gdk_gc_new (drawable);
gdk_draw_rgb_image (drawable, gc,
destX, destY,
width, height,
GDK_RGB_DITHER_NORMAL,
gdk_buf,
gdk_rowstride);
g_object_unref (gc);
g_free (gdk_buf);
}
GBool GDKSplashOutputDev::findText(Unicode *s, int len,
GBool startAtTop, GBool stopAtBottom,
GBool startAtLast, GBool stopAtLast,
int *xMin, int *yMin,
int *xMax, int *yMax) {
double xMin1, yMin1, xMax1, yMax1;
xMin1 = (double)*xMin;
yMin1 = (double)*yMin;
xMax1 = (double)*xMax;
yMax1 = (double)*yMax;
if (text->findText(s, len, startAtTop, stopAtBottom,
startAtLast, stopAtLast,
&xMin1, &yMin1, &xMax1, &yMax1)) {
*xMin = xoutRound(xMin1);
*xMax = xoutRound(xMax1);
*yMin = xoutRound(yMin1);
*yMax = xoutRound(yMax1);
return gTrue;
}
return gFalse;
}
GString *GDKSplashOutputDev::getText(int xMin, int yMin, int xMax, int yMax) {
return text->getText((double)xMin, (double)yMin,
(double)xMax, (double)yMax);
}
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