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authorPixel <pixel@nobis-crew.org>2009-11-04 11:56:41 -0800
committerPixel <pixel@nobis-crew.org>2009-11-04 11:59:33 -0800
commitd577d991b97ae2b5ee1af23641bcffc3f83af5b2 (patch)
tree590639d50205d1bcfaff2a7d2dc6ebf3f373c7ed /iup/src/win/iupwin_font.c
Initial import. Contains the im, cd and iup librairies, and a "working" Makefile for them under linux.
Diffstat (limited to 'iup/src/win/iupwin_font.c')
-rwxr-xr-xiup/src/win/iupwin_font.c342
1 files changed, 342 insertions, 0 deletions
diff --git a/iup/src/win/iupwin_font.c b/iup/src/win/iupwin_font.c
new file mode 100755
index 0000000..659e2d9
--- /dev/null
+++ b/iup/src/win/iupwin_font.c
@@ -0,0 +1,342 @@
+/** \file
+ * \brief Windows Font mapping
+ *
+ * See Copyright Notice in "iup.h"
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <windows.h>
+
+#include "iup.h"
+
+#include "iup_str.h"
+#include "iup_array.h"
+#include "iup_attrib.h"
+#include "iup_object.h"
+#include "iup_drv.h"
+#include "iup_drvfont.h"
+#include "iup_assert.h"
+
+#include "iupwin_drv.h"
+#include "iupwin_info.h"
+
+
+typedef struct IwinFont_
+{
+ char standardfont[200];
+ HFONT hFont;
+ int charwidth, charheight;
+} IwinFont;
+
+static Iarray* win_fonts = NULL;
+
+static IwinFont* winFindFont(const char *standardfont)
+{
+ HFONT hFont;
+ int height_pixels;
+ char typeface[50] = "";
+ int height = 8;
+ int is_bold = 0,
+ is_italic = 0,
+ is_underline = 0,
+ is_strikeout = 0;
+ int res = iupwinGetScreenRes();
+ int i, count = iupArrayCount(win_fonts);
+ const char* mapped_name;
+
+ /* Check if the standardfont already exists in cache */
+ IwinFont* fonts = (IwinFont*)iupArrayGetData(win_fonts);
+ for (i = 0; i < count; i++)
+ {
+ if (iupStrEqualNoCase(standardfont, fonts[i].standardfont))
+ return &fonts[i];
+ }
+
+ /* parse the old format first */
+ if (!iupFontParseWin(standardfont, typeface, &height, &is_bold, &is_italic, &is_underline, &is_strikeout))
+ {
+ if (!iupFontParsePango(standardfont, typeface, &height, &is_bold, &is_italic, &is_underline, &is_strikeout))
+ return NULL;
+ }
+
+ mapped_name = iupFontGetWinName(typeface);
+ if (mapped_name)
+ strcpy(typeface, mapped_name);
+
+ /* get in pixels */
+ if (height < 0)
+ height_pixels = height; /* already in pixels */
+ else
+ height_pixels = -IUPWIN_PT2PIXEL(height, res);
+
+ if (height_pixels == 0)
+ return NULL;
+
+ hFont = CreateFont(height_pixels,
+ 0,0,0,
+ (is_bold) ? FW_BOLD : FW_NORMAL,
+ is_italic,
+ is_underline,
+ is_strikeout,
+ DEFAULT_CHARSET,OUT_TT_PRECIS,
+ CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,
+ FF_DONTCARE|DEFAULT_PITCH,
+ typeface);
+ if (!hFont)
+ return NULL;
+
+ /* create room in the array */
+ fonts = (IwinFont*)iupArrayInc(win_fonts);
+
+ strcpy(fonts[i].standardfont, standardfont);
+ fonts[i].hFont = hFont;
+
+ {
+ TEXTMETRIC tm;
+ HDC hdc = GetDC(NULL);
+ HFONT oldfont = SelectObject(hdc, hFont);
+
+ GetTextMetrics(hdc, &tm);
+
+ SelectObject(hdc, oldfont);
+ ReleaseDC(NULL, hdc);
+
+ fonts[i].charwidth = tm.tmAveCharWidth;
+ fonts[i].charheight = tm.tmHeight;
+ }
+
+ return &fonts[i];
+}
+
+static void winFontFromLogFont(LOGFONT* logfont, char * font)
+{
+ int is_bold = (logfont->lfWeight == FW_NORMAL)? 0: 1;
+ int is_italic = logfont->lfItalic;
+ int is_underline = logfont->lfUnderline;
+ int is_strikeout = logfont->lfStrikeOut;
+ int height_pixels = logfont->lfHeight; /* negative value */
+ int res = iupwinGetScreenRes();
+ int height = IUPWIN_PIXEL2PT(-height_pixels, res); /* return in points */
+
+ sprintf(font, "%s, %s%s%s%s %d", logfont->lfFaceName,
+ is_bold?"Bold ":"",
+ is_italic?"Italic ":"",
+ is_underline?"Underline ":"",
+ is_strikeout?"Strikeout ":"",
+ height);
+}
+
+char* iupdrvGetSystemFont(void)
+{
+ static char systemfont[200] = "";
+ NONCLIENTMETRICS ncm;
+ ncm.cbSize = sizeof(NONCLIENTMETRICS);
+ if (SystemParametersInfo(SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, FALSE))
+ winFontFromLogFont(&ncm.lfMessageFont, systemfont);
+ else
+ strcpy(systemfont, "Tahoma, 10");
+ return systemfont;
+}
+
+char* iupwinFindHFont(HFONT hFont)
+{
+ int i, count = iupArrayCount(win_fonts);
+
+ /* Check if the standardfont already exists in cache */
+ IwinFont* fonts = (IwinFont*)iupArrayGetData(win_fonts);
+ for (i = 0; i < count; i++)
+ {
+ if (hFont == fonts[i].hFont)
+ return fonts[i].standardfont;
+ }
+
+ return NULL;
+}
+
+HFONT iupwinGetHFont(const char* value)
+{
+ IwinFont* winfont = winFindFont(value);
+ if (!winfont)
+ return NULL;
+ else
+ return winfont->hFont;
+}
+
+static IwinFont* winFontCreateNativeFont(Ihandle *ih, const char* value)
+{
+ IwinFont* winfont = winFindFont(value);
+ if (!winfont)
+ {
+ iupERROR1("Failed to create Font: %s", value);
+ return NULL;
+ }
+
+ iupAttribSetStr(ih, "_IUP_WINFONT", (char*)winfont);
+ return winfont;
+}
+
+static IwinFont* winFontGet(Ihandle *ih)
+{
+ IwinFont* winfont = (IwinFont*)iupAttribGet(ih, "_IUP_WINFONT");
+ if (!winfont)
+ winfont = winFontCreateNativeFont(ih, iupGetFontAttrib(ih));
+ return winfont;
+}
+
+char* iupwinGetHFontAttrib(Ihandle *ih)
+{
+ IwinFont* winfont = winFontGet(ih);
+ if (!winfont)
+ return NULL;
+ else
+ return (char*)winfont->hFont;
+}
+
+int iupdrvSetStandardFontAttrib(Ihandle* ih, const char* value)
+{
+ IwinFont* winfont = winFontCreateNativeFont(ih, value);
+ if (!winfont)
+ return 1;
+
+ /* If FONT is changed, must update the SIZE attribute */
+ iupBaseUpdateSizeFromFont(ih);
+
+ /* FONT attribute must be able to be set before mapping,
+ so the font is enable for size calculation. */
+ if (ih->handle && (ih->iclass->nativetype != IUP_TYPEVOID))
+ SendMessage(ih->handle, WM_SETFONT, (WPARAM)winfont->hFont, MAKELPARAM(TRUE,0));
+
+ return 1;
+}
+
+static HDC winFontGetDC(Ihandle* ih)
+{
+ if (ih->iclass->nativetype == IUP_TYPEVOID)
+ return GetDC(NULL);
+ else
+ return GetDC(ih->handle); /* handle can be NULL here */
+}
+
+static void winFontReleaseDC(Ihandle* ih, HDC hdc)
+{
+ if (ih->iclass->nativetype == IUP_TYPEVOID)
+ ReleaseDC(NULL, hdc);
+ else
+ ReleaseDC(ih->handle, hdc); /* handle can be NULL here */
+}
+
+void iupdrvFontGetMultiLineStringSize(Ihandle* ih, const char* str, int *w, int *h)
+{
+ int num_lin, max_w;
+
+ IwinFont* winfont = winFontGet(ih);
+ if (!winfont)
+ {
+ if (w) *w = 0;
+ if (h) *h = 0;
+ return;
+ }
+
+ if (!str)
+ {
+ if (w) *w = 0;
+ if (h) *h = winfont->charheight * 1;
+ return;
+ }
+
+ max_w = 0;
+ num_lin = 1;
+ if (str[0])
+ {
+ SIZE size;
+ int len;
+ const char *nextstr;
+ const char *curstr = str;
+
+ HDC hdc = winFontGetDC(ih);
+ HFONT oldhfont = SelectObject(hdc, winfont->hFont);
+
+ do
+ {
+ nextstr = iupStrNextLine(curstr, &len);
+ GetTextExtentPoint32(hdc, curstr, len, &size);
+ max_w = iupMAX(max_w, size.cx);
+
+ curstr = nextstr;
+ if (*nextstr)
+ num_lin++;
+ } while(*nextstr);
+
+ SelectObject(hdc, oldhfont);
+ winFontReleaseDC(ih, hdc);
+ }
+
+ if (w) *w = max_w;
+ if (h) *h = winfont->charheight*num_lin;
+}
+
+int iupdrvFontGetStringWidth(Ihandle* ih, const char* str)
+{
+ HDC hdc;
+ HFONT oldhfont, hFont;
+ SIZE size;
+ int len;
+ char* line_end;
+
+ if (!str || str[0]==0)
+ return 0;
+
+ hFont = (HFONT)iupwinGetHFontAttrib(ih);
+ if (!hFont)
+ return 0;
+
+ hdc = winFontGetDC(ih);
+ oldhfont = SelectObject(hdc, hFont);
+
+ line_end = strchr(str, '\n');
+ if (line_end)
+ len = line_end-str;
+ else
+ len = strlen(str);
+
+ GetTextExtentPoint32(hdc, str, len, &size);
+
+ SelectObject(hdc, oldhfont);
+ winFontReleaseDC(ih, hdc);
+
+ return size.cx;
+}
+
+void iupdrvFontGetCharSize(Ihandle* ih, int *charwidth, int *charheight)
+{
+ IwinFont* winfont = winFontGet(ih);
+ if (!winfont)
+ {
+ if (charwidth) *charwidth = 0;
+ if (charheight) *charheight = 0;
+ return;
+ }
+
+ if (charwidth) *charwidth = winfont->charwidth;
+ if (charheight) *charheight = winfont->charheight;
+}
+
+void iupdrvFontInit(void)
+{
+ win_fonts = iupArrayCreate(50, sizeof(IwinFont));
+}
+
+void iupdrvFontFinish(void)
+{
+ int i, count = iupArrayCount(win_fonts);
+ IwinFont* fonts = (IwinFont*)iupArrayGetData(win_fonts);
+ for (i = 0; i < count; i++)
+ {
+ DeleteObject(fonts[i].hFont);
+ fonts[i].hFont = NULL;
+ }
+ iupArrayDestroy(win_fonts);
+}