1 files changed, 134 insertions, 0 deletions
diff --git a/pdf/splash/SplashBitmap.cc b/pdf/splash/SplashBitmap.cc
new file mode 100644
index 0000000..5ea304f
--- /dev/null
+++ b/pdf/splash/SplashBitmap.cc
@@ -0,0 +1,134 @@
+//========================================================================
+//
+// SplashBitmap.cc
+//
+//========================================================================
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma implementation
+#endif
+
+#include <stdio.h>
+#include "gmem.h"
+#include "SplashErrorCodes.h"
+#include "SplashBitmap.h"
+
+//------------------------------------------------------------------------
+// SplashBitmap
+//------------------------------------------------------------------------
+
+SplashBitmap::SplashBitmap(int widthA, int heightA, SplashColorMode modeA) {
+  width = widthA;
+  height = heightA;
+  mode = modeA;
+  switch (mode) {
+  case splashModeMono1:
+    rowSize = (width + 7) >> 3;
+    data.mono1 = (SplashMono1P *)
+                   gmalloc(rowSize * height * sizeof(SplashMono1P));
+    break;
+  case splashModeMono8:
+    rowSize = width;
+    data.mono8 = (SplashMono8 *)
+                   gmalloc(width * height * sizeof(SplashMono8));
+    break;
+  case splashModeRGB8:
+    rowSize = width << 2;
+    data.rgb8 = (SplashRGB8 *)
+                  gmalloc(width * height * sizeof(SplashRGB8));
+    break;
+  case splashModeBGR8Packed:
+    rowSize = (width * 3 + 3) & ~3;
+    data.bgr8 = (SplashBGR8P *)
+                  gmalloc(rowSize * height * sizeof(SplashMono1P));
+  }
+}
+
+
+SplashBitmap::~SplashBitmap() {
+  switch (mode) {
+  case splashModeMono1:
+    gfree(data.mono1);
+    break;
+  case splashModeMono8:
+    gfree(data.mono8);
+    break;
+  case splashModeRGB8:
+    gfree(data.rgb8);
+    break;
+  case splashModeBGR8Packed:
+    gfree(data.bgr8);
+    break;
+  }
+}
+
+SplashError SplashBitmap::writePNMFile(char *fileName) {
+  FILE *f;
+  SplashMono1P *mono1;
+  SplashMono8 *mono8;
+  SplashRGB8 *rgb8;
+  SplashBGR8P *bgr8line, *bgr8;
+  int x, y;
+
+  if (!(f = fopen(fileName, "wb"))) {
+    return splashErrOpenFile;
+  }
+
+  switch (mode) {
+
+  case splashModeMono1:
+    fprintf(f, "P4\n%d %d\n", width, height);
+    mono1 = data.mono1;
+    for (y = 0; y < height; ++y) {
+      for (x = 0; x < width; x += 8) {
+	fputc(*mono1 ^ 0xff, f);
+	++mono1;
+      }
+    }
+    break;
+
+  case splashModeMono8:
+    fprintf(f, "P5\n%d %d\n255\n", width, height);
+    mono8 = data.mono8;
+    for (y = 0; y < height; ++y) {
+      for (x = 0; x < width; ++x) {
+	fputc(*mono8, f);
+	++mono8;
+      }
+    }
+    break;
+
+  case splashModeRGB8:
+    fprintf(f, "P6\n%d %d\n255\n", width, height);
+    rgb8 = data.rgb8;
+    for (y = 0; y < height; ++y) {
+      for (x = 0; x < width; ++x) {
+	fputc(splashRGB8R(*rgb8), f);
+	fputc(splashRGB8G(*rgb8), f);
+	fputc(splashRGB8B(*rgb8), f);
+	++rgb8;
+      }
+    }
+    break;
+
+  case splashModeBGR8Packed:
+    fprintf(f, "P6\n%d %d\n255\n", width, height);
+    bgr8line = data.bgr8;
+    for (y = 0; y < height; ++y) {
+      bgr8 = bgr8line;
+      for (x = 0; x < width; ++x) {
+	fputc(bgr8[2], f);
+	fputc(bgr8[1], f);
+	fputc(bgr8[0], f);
+	bgr8 += 3;
+      }
+      bgr8line += rowSize;
+    }
+    break;
+  }
+
+  fclose(f);
+  return splashOk;
+}