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-rw-r--r--html/examples/im_paint.c245
-rw-r--r--html/examples/im_view.c48
2 files changed, 264 insertions, 29 deletions
diff --git a/html/examples/im_paint.c b/html/examples/im_paint.c
new file mode 100644
index 0000000..eb69e16
--- /dev/null
+++ b/html/examples/im_paint.c
@@ -0,0 +1,245 @@
+#include <iup.h>
+#include <cd.h>
+#include <cdiup.h>
+#include <cddbuf.h>
+#include <im.h>
+#include <im_image.h>
+
+#include <stdio.h>
+#include <string.h>
+
+/* TODO:
+ cdCanvasPixel is not apropriate, must use cdCanvasLine for continuity.
+ if resized, the content is lost
+ SaveAs is not implemented
+*/
+
+static int cbCanvasRepaint(Ihandle* iup_canvas)
+{
+ cdCanvas* dbuffer_canvas = (cdCanvas*)IupGetAttribute(iup_canvas, "cdCanvasDBuf");
+
+ cdCanvasActivate(dbuffer_canvas);
+ cdCanvasFlush(dbuffer_canvas);
+
+ return IUP_DEFAULT;
+}
+
+static int drawing = 0;
+
+static long GetFgColor(Ihandle* ih)
+{
+ int r, g, b;
+ Ihandle* fgcolor_but = IupGetDialogChild(ih, "fgcolor_but");
+ sscanf(IupGetAttribute(fgcolor_but, "BGCOLOR"), "%d %d %d", &r, &g, &b);
+ return cdEncodeColor((unsigned char)r, (unsigned char)g, (unsigned char)b);
+}
+
+static int cbCanvasButton(Ihandle* ih, int but, int pressed, int x, int y)
+{
+ if (but == IUP_BUTTON1 && pressed)
+ {
+ cdCanvas* dbuffer_canvas = (cdCanvas*)IupGetAttribute(ih, "cdCanvasDBuf");
+ long fgcolor = GetFgColor(ih);
+
+ cdCanvasActivate(dbuffer_canvas);
+ cdCanvasPixel(dbuffer_canvas, x, cdCanvasInvertYAxis(dbuffer_canvas, y), fgcolor);
+ cdCanvasFlush(dbuffer_canvas);
+ drawing = 1;
+ }
+ else
+ drawing = 0;
+
+ return IUP_DEFAULT;
+}
+
+static int cbCanvasMotion(Ihandle *ih, int x, int y, char *status)
+{
+ if (iup_isbutton1(status) && drawing)
+ {
+ cdCanvas* dbuffer_canvas = (cdCanvas*)IupGetAttribute(ih, "cdCanvasDBuf");
+ long fgcolor = GetFgColor(ih);
+
+ cdCanvasActivate(dbuffer_canvas);
+ cdCanvasPixel(dbuffer_canvas, x, cdCanvasInvertYAxis(dbuffer_canvas, y), fgcolor);
+ cdCanvasFlush(dbuffer_canvas);
+ }
+
+ return IUP_DEFAULT;
+}
+
+static int cbCanvasMap(Ihandle* ih)
+{
+ cdCanvas* cd_canvas = cdCreateCanvas(CD_IUP, ih);
+ cdCanvas* dbuffer_canvas = cdCreateCanvas(CD_DBUFFER, cd_canvas);
+ IupSetAttribute(IupGetDialog(ih), "cdCanvas", (char*)cd_canvas);
+ IupSetAttribute(IupGetDialog(ih), "cdCanvasDBuf", (char*)dbuffer_canvas);
+ return IUP_DEFAULT;
+}
+
+static int cbDialogClose(Ihandle* ih)
+{
+ cdCanvas* cd_canvas = (cdCanvas*)IupGetAttribute(ih, "cdCanvas");
+ cdCanvas* dbuffer_canvas = (cdCanvas*)IupGetAttribute(ih, "cdCanvasDBuf");
+
+ if (dbuffer_canvas) cdKillCanvas(dbuffer_canvas);
+ if (cd_canvas) cdKillCanvas(cd_canvas);
+
+ IupSetAttribute(ih, "cdCanvas", NULL);
+ IupSetAttribute(ih, "cdCanvasDBuf", NULL);
+
+ return IUP_CLOSE;
+}
+
+static int cbMenuNew(Ihandle* ih)
+{
+ cdCanvas* dbuffer_canvas = (cdCanvas*)IupGetAttribute(ih, "cdCanvasDBuf");
+ cdCanvasActivate(dbuffer_canvas);
+ cdCanvasClear(dbuffer_canvas);
+ cdCanvasFlush(dbuffer_canvas);
+ return IUP_DEFAULT;
+}
+
+static void PrintError(int error)
+{
+ switch (error)
+ {
+ case IM_ERR_OPEN:
+ IupMessage("IM", "Error Opening File.");
+ break;
+ case IM_ERR_MEM:
+ IupMessage("IM", "Insuficient memory.");
+ break;
+ case IM_ERR_ACCESS:
+ IupMessage("IM", "Error Accessing File.");
+ break;
+ case IM_ERR_DATA:
+ IupMessage("IM", "Image type not Suported.");
+ break;
+ case IM_ERR_FORMAT:
+ IupMessage("IM", "Invalid Format.");
+ break;
+ case IM_ERR_COMPRESS:
+ IupMessage("IM", "Invalid or unsupported compression.");
+ break;
+ default:
+ IupMessage("IM", "Unknown Error.");
+ }
+}
+
+static int cbMenuOpen(Ihandle* ih)
+{
+ int error;
+ char file_name[200] = "*.*";
+ imImage* image;
+ cdCanvas* dbuffer_canvas = (cdCanvas*)IupGetAttribute(IupGetDialog(ih), "cdCanvasDBuf");
+
+ if (IupGetFile(file_name) != 0)
+ return IUP_DEFAULT;
+
+ image = imFileImageLoadBitmap(file_name, 0, &error);
+ if (error) PrintError(error);
+ if (!image) return IUP_DEFAULT;
+
+ cdCanvasActivate(dbuffer_canvas);
+ cdCanvasClear(dbuffer_canvas);
+
+ imcdCanvasPutImage(dbuffer_canvas, image, 0, 0, image->width, image->height, 0, 0, 0, 0);
+ imImageDestroy(image);
+
+ cdCanvasFlush(dbuffer_canvas);
+
+ return IUP_DEFAULT;
+}
+
+static int cbMenuSaveAs(Ihandle* ih)
+{
+ return IUP_DEFAULT;
+}
+
+static int cbFgColor(Ihandle* ih)
+{
+ Ihandle* color_dlg = IupColorDlg();
+ IupSetAttributeHandle(color_dlg, "PARENTDIALOG", IupGetDialog(ih));
+ IupSetAttribute(color_dlg, "TITLE", "Choose Color");
+ IupSetAttribute(color_dlg, "VALUE", IupGetAttribute(ih, "BGCOLOR"));
+
+ IupPopup(color_dlg, IUP_CENTER, IUP_CENTER);
+
+ if (IupGetInt(color_dlg, "STATUS")==1)
+ {
+ char* value = IupGetAttribute(color_dlg, "VALUE");
+ IupStoreAttribute(ih, "BGCOLOR", value);
+ }
+
+ IupDestroy(color_dlg);
+
+ return IUP_DEFAULT;
+}
+
+static int cbMenuAbout(void)
+{
+ IupMessage("About", "Simple Paint\nVersion 1.0");
+ return IUP_DEFAULT;
+}
+
+static Ihandle* CreateDialog(void)
+{
+ Ihandle *iup_dialog, *iup_canvas, *menu;
+
+ menu = IupMenu(
+ IupSubmenu("&File", IupMenu(
+ IupSetCallbacks(IupItem("New", NULL), "ACTION", cbMenuNew, NULL),
+ IupSetCallbacks(IupItem("Open...\tCtrl+O", NULL), "ACTION", cbMenuOpen, NULL),
+ IupSetCallbacks(IupItem("Save As...", NULL), "ACTION", cbMenuSaveAs, NULL),
+ IupSetCallbacks(IupItem("E&xit", NULL), "ACTION", cbDialogClose, NULL), /* can do that because the menu inherit from the dialog */
+ NULL)),
+ IupSubmenu("&Help", IupMenu(
+ IupSetCallbacks(IupItem("About", NULL), "ACTION", (Icallback)cbMenuAbout, NULL),
+ NULL)),
+ NULL);
+
+ iup_canvas = IupCanvas(NULL);
+ IupSetCallback(iup_canvas, "BUTTON_CB", (Icallback)cbCanvasButton);
+ IupSetCallback(iup_canvas, "MOTION_CB", (Icallback)cbCanvasMotion);
+ IupSetCallback(iup_canvas, "ACTION", cbCanvasRepaint);
+ IupSetCallback(iup_canvas, "MAP_CB", cbCanvasMap);
+
+ iup_dialog = IupDialog(
+ IupVbox(
+ IupSetAttributes(IupHbox(
+ IupSetCallbacks(IupSetAttributes(IupButton(NULL, NULL), "IMAGE=IUP_FileNew, FLAT=Yes"), "ACTION", (Icallback)cbMenuNew, NULL),
+ IupSetCallbacks(IupSetAttributes(IupButton(NULL, NULL), "IMAGE=IUP_FileOpen, FLAT=Yes"), "ACTION", (Icallback)cbMenuOpen, NULL),
+ IupSetCallbacks(IupSetAttributes(IupButton(NULL, NULL), "IMAGE=IUP_FileSave, FLAT=Yes"), "ACTION", (Icallback)cbMenuSaveAs, NULL),
+ IupSetAttributes(IupFill(), "SIZE=50"),
+ IupLabel("Color:"),
+ IupSetCallbacks(IupSetAttributes(IupButton(NULL, NULL), "BGCOLOR=\"0 0 0\", SIZE=20x, FLAT=Yes, NAME=fgcolor_but"), "ACTION", (Icallback)cbFgColor, NULL),
+ NULL), "MARGIN=5x5, GAP=5, ALIGNMENT=ACENTER"),
+ iup_canvas,
+ NULL)
+ );
+ IupSetCallback(iup_dialog, "CLOSE_CB", cbDialogClose);
+ IupSetCallback(iup_dialog, "K_cO", cbMenuOpen),
+ IupSetAttribute(iup_dialog, "SIZE", "HALFxHALF"); /* initial size */
+ IupSetAttribute(iup_dialog, "TITLE", "Simple Paint");
+ IupSetAttributeHandle(iup_dialog, "MENU", menu);
+
+ return iup_dialog;
+}
+
+int main(int argc, char* argv[])
+{
+ Ihandle* dlg;
+
+ IupOpen(&argc, &argv);
+ IupImageLibOpen();
+
+ dlg = CreateDialog();
+
+ IupShow(dlg);
+
+ IupMainLoop();
+ IupDestroy(dlg);
+ IupClose();
+
+ return 0;
+}
diff --git a/html/examples/im_view.c b/html/examples/im_view.c
index e271394..872048e 100644
--- a/html/examples/im_view.c
+++ b/html/examples/im_view.c
@@ -49,7 +49,7 @@ static void PrintError(int error)
}
}
-static int cbRepaint(Ihandle* iup_canvas)
+static int cbCanvasRepaint(Ihandle* iup_canvas)
{
cdCanvas* cd_canvas = (cdCanvas*)IupGetAttribute(iup_canvas, "cdCanvas");
imImage* image = (imImage*)IupGetAttribute(iup_canvas, "imImage");
@@ -84,10 +84,10 @@ static void ShowImage(char* file_name, Ihandle* iup_dialog)
IupSetAttribute(iup_dialog, "imImage", (char*)image);
IupStoreAttribute(iup_dialog, "TITLE", file_name);
- cbRepaint(iup_dialog); /* we can do this because canvas inherit attributes from the dialog */
+ cbCanvasRepaint(iup_dialog); /* we can do this because canvas inherit attributes from the dialog */
}
-static int cbButton(Ihandle* iup_canvas, int but, int pressed)
+static int cbCanvasButton(Ihandle* iup_canvas, int but, int pressed)
{
char file_name[200] = "*.*";
@@ -107,7 +107,14 @@ static int cbButton(Ihandle* iup_canvas, int but, int pressed)
return IUP_DEFAULT;
}
-static int cbClose(Ihandle* iup_dialog)
+static int cbCanvasMap(Ihandle* iup_canvas)
+{
+ cdCanvas* cd_canvas = cdCreateCanvas(CD_IUP, iup_canvas);
+ IupSetAttribute(IupGetDialog(iup_canvas), "cdCanvas", (char*)cd_canvas);
+ return IUP_DEFAULT;
+}
+
+static int cbDialogClose(Ihandle* iup_dialog)
{
cdCanvas* cd_canvas = (cdCanvas*)IupGetAttribute(iup_dialog, "cdCanvas");
imImage* image = (imImage*)IupGetAttribute(iup_dialog, "imImage");
@@ -123,37 +130,24 @@ static int cbClose(Ihandle* iup_dialog)
static Ihandle* CreateDialog(void)
{
- Ihandle *iup_dialog;
- Ihandle *iup_canvas;
- cdCanvas* cd_canvas;
+ Ihandle *iup_dialog, *iup_canvas;
- iup_canvas = IupCanvas("do_nothing");
- IupSetAttribute(iup_canvas, IUP_BUTTON_CB, "cbButton");
- IupSetAttribute(iup_canvas, IUP_ACTION, "cbRepaint");
+ iup_canvas = IupCanvas(NULL);
+ IupSetCallback(iup_canvas, "BUTTON_CB", (Icallback)cbCanvasButton);
+ IupSetCallback(iup_canvas, "ACTION", (Icallback)cbCanvasRepaint);
+ IupSetCallback(iup_canvas, "MAP_CB", (Icallback)cbCanvasMap);
iup_dialog = IupDialog(iup_canvas);
- IupSetAttribute(iup_dialog, IUP_CLOSE_CB, "cbClose");
- IupSetAttribute(iup_dialog, IUP_SIZE, "HALFxHALF");
-
- IupSetFunction("cbRepaint", (Icallback)cbRepaint);
- IupSetFunction("cbButton", (Icallback)cbButton);
- IupSetFunction("cbClose", (Icallback)cbClose);
-
- IupMap(iup_dialog);
-
- cd_canvas = cdCreateCanvas(CD_IUP, iup_canvas);
- IupSetAttribute(iup_dialog, "cdCanvas", (char*)cd_canvas);
+ IupSetCallback(iup_dialog, "CLOSE_CB", (Icallback)cbDialogClose);
+ IupSetAttribute(iup_dialog, "SIZE", "HALFxHALF"); /* initial size */
return iup_dialog;
}
-//#include "im_format_avi.h"
-
int main(int argc, char* argv[])
{
Ihandle* dlg;
- //imFormatRegisterAVI();
IupOpen(&argc, &argv);
dlg = CreateDialog();
@@ -162,21 +156,17 @@ int main(int argc, char* argv[])
/* Try to get a file name from the command line. */
if (argc > 1)
- {
ShowImage(argv[1], dlg);
- }
else
{
char file_name[1024] = "*.*";
if (IupGetFile(file_name) == 0)
- {
ShowImage(file_name, dlg);
- }
}
IupMainLoop();
IupDestroy(dlg);
IupClose();
- return 1;
+ return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 20:18:33 +0000