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Implemented image cells.

This commit is contained in:
Pietro Gagliardi 2015-01-07 14:41:35 -05:00
parent ff4212913a
commit 7c473a9fdc
2 changed files with 69 additions and 2 deletions
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26
wintable/draw.h
View File

@ -20,6 +20,9 @@ static void drawCell(struct table *t, HDC dc, struct drawCellParams *p)
POINT pt; POINT pt;
int cbState; int cbState;
RECT cellrect; RECT cellrect;
HDC idc;
HBITMAP previbitmap;
BLENDFUNCTION bf;
// TODO verify these two // TODO verify these two
background = (HBRUSH) (COLOR_WINDOW + 1); background = (HBRUSH) (COLOR_WINDOW + 1);
@ -46,7 +49,6 @@ static void drawCell(struct table *t, HDC dc, struct drawCellParams *p)
switch (t->columnTypes[p->column]) { switch (t->columnTypes[p->column]) {
case tableColumnText: case tableColumnText:
case tableColumnImage: // TODO
toCellContentRect(t, &r, p->xoff, 0, 0); // TODO get the text height toCellContentRect(t, &r, p->xoff, 0, 0); // TODO get the text height
if (SetTextColor(dc, GetSysColor(textColor)) == CLR_INVALID) if (SetTextColor(dc, GetSysColor(textColor)) == CLR_INVALID)
panic("error setting Table cell text color"); panic("error setting Table cell text color");
@ -56,6 +58,28 @@ static void drawCell(struct table *t, HDC dc, struct drawCellParams *p)
if (DrawTextExW(dc, msg, n, &r, DT_END_ELLIPSIS | DT_LEFT | DT_NOPREFIX | DT_SINGLELINE, NULL) == 0) if (DrawTextExW(dc, msg, n, &r, DT_END_ELLIPSIS | DT_LEFT | DT_NOPREFIX | DT_SINGLELINE, NULL) == 0)
panic("error drawing Table cell text"); panic("error drawing Table cell text");
break; break;
case tableColumnImage:
toCellContentRect(t, &r, p->xoff, tableImageWidth(), tableImageHeight());
idc = CreateCompatibleDC(dc);
if (idc == NULL)
panic("error creating compatible DC for Table image cell drawing");
previbitmap = SelectObject(idc, testbitmap);
if (previbitmap == NULL)
panic("error selecting Table cell image into compatible DC for image drawing");
ZeroMemory(&bf, sizeof (BLENDFUNCTION));
bf.BlendOp = AC_SRC_OVER;
bf.BlendFlags = 0;
bf.SourceConstantAlpha = 255; // per-pixel alpha values
bf.AlphaFormat = AC_SRC_ALPHA;
// TODO 16 and 16 are the width and height of the image; we would need to get that out somehow
if (AlphaBlend(dc, r.left, r.top, r.right - r.left, r.bottom - r.top,
idc, 0, 0, 16, 16, bf) == FALSE)
panic("error drawing image into Table cell");
if (SelectObject(idc, previbitmap) != testbitmap)
panic("error deselecting Table cell image for drawing image");
if (DeleteDC(idc) == 0)
panic("error deleting Table compatible DC for image cell drawing");
break;
case tableColumnCheckbox: case tableColumnCheckbox:
toCheckboxRect(t, &r, p->xoff); toCheckboxRect(t, &r, p->xoff);
cbState = 0; cbState = 0;

45
wintable/test.c
View File

@ -1,7 +1,10 @@
// 19 october 2014 // 19 october 2014
#include "../wininclude_windows.h" #include "../wininclude_windows.h"
// #qo LIBS: user32 kernel32 gdi32 comctl32 uxtheme ole32 oleaut32 oleacc uuid // #qo LIBS: user32 kernel32 gdi32 comctl32 uxtheme ole32 oleaut32 oleacc uuid msimg32
HBITMAP testbitmap;
void mkbitmap(void);
#include "main.h" #include "main.h"
@ -11,6 +14,7 @@ int main(int argc, char *argv[])
MSG msg; MSG msg;
INITCOMMONCONTROLSEX icc; INITCOMMONCONTROLSEX icc;
mkbitmap();
ZeroMemory(&icc, sizeof (INITCOMMONCONTROLSEX)); ZeroMemory(&icc, sizeof (INITCOMMONCONTROLSEX));
icc.dwSize = sizeof (INITCOMMONCONTROLSEX); icc.dwSize = sizeof (INITCOMMONCONTROLSEX);
icc.dwICC = ICC_LISTVIEW_CLASSES; icc.dwICC = ICC_LISTVIEW_CLASSES;
@ -50,3 +54,42 @@ int main(int argc, char *argv[])
} }
return 0; return 0;
} }
// from tango-icon-theme-0.8.90/16x16/status/audio-volume-high.png (public domain)
COLORREF iconpix[] = {
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1003060A, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x34101210, 0x5020202, 0x0, 0x0, 0x0, 0x0, 0x9E203E66, 0x78182F4D, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x32111110, 0xF051534F, 0x8030303, 0x0, 0x0, 0x0, 0x0, 0x1C050B12, 0xE92F5C96, 0x2B08111B, 0x0,
0x0, 0x0, 0x0, 0x0, 0x32111110, 0xF1575855, 0xFE545652, 0x8030303, 0x0, 0x0, 0x67152942, 0x440E1B2C, 0x0, 0x6214263F, 0xCB295083, 0x4000102,
0xF3525450, 0xFB545653, 0xF0555653, 0x8830302E, 0xF1575855, 0xFFBEBFBC, 0xFC565854, 0x8030303, 0x0, 0x0, 0x420C192A, 0xE12E5991, 0xF03060A, 0x0, 0xC6284E7F, 0x52102034,
0xFB555653, 0xFFE5E5E3, 0xFFD1D2CF, 0xFE585A56, 0xFFC7C8C5, 0xFFF7F7F6, 0xFC5A5C58, 0x8030303, 0x68142943, 0x1C060B12, 0x0, 0x9A1E3D63, 0x81193353, 0x0, 0x831A3454, 0x891C3658,
0xFB545653, 0xFFFAFAF9, 0xFFFAFAFA, 0xFF585A56, 0xFFF8F8F8, 0xFFFFFFFF, 0xFC5B5D59, 0x8030303, 0x7B19314F, 0xAB23436E, 0x0, 0x4A0F1D30, 0xBA264978, 0x0, 0x4F101F33, 0xBD264B7A,
0xFB545653, 0xFFCFD0CD, 0xFFD3D4D1, 0xFF585A56, 0xFFD2D2D0, 0xFFD7D7D5, 0xFC565854, 0x8030303, 0x1C060B12, 0xEF305F9A, 0x1000001, 0x19050A10, 0xEF305F9A, 0x1000001, 0x1B050A11, 0xF0315F9A,
0xFB545653, 0xFFC2C3C0, 0xFFC6C7C4, 0xFF585A56, 0xFFCDCECB, 0xFFD1D2CF, 0xFC565854, 0x8030303, 0x19050A10, 0xF231609C, 0x1000001, 0x1603090E, 0xF1315F9B, 0x1000001, 0x1804090F, 0xF231609C,
0xFB545653, 0xFFB5B7B3, 0xFFB9BBB7, 0xFF575955, 0xFFC8C8C6, 0xFFCCCCCA, 0xFC565854, 0x8030303, 0x71172D49, 0xB2244772, 0x0, 0x470D1C2E, 0xBE264B7A, 0x0, 0x4C0F1E31, 0xC0274C7B,
0xFB545653, 0xFFA9ABA7, 0xFFA0A29E, 0xFF575955, 0xFFA9ABA8, 0xFFC6C7C4, 0xFC565854, 0x8030303, 0x75172E4B, 0x23070E17, 0x0, 0x921D3A5E, 0x861A3556, 0x0, 0x801A3252, 0x8C1C375A,
0xFA535551, 0xFC555753, 0xF7545652, 0x98353534, 0xF3565854, 0xFFA8A8A6, 0xFC565854, 0x8030303, 0x0, 0x0, 0x390C1725, 0xE62F5B94, 0x1404080D, 0x0, 0xC0274C7B, 0x57112238,
0x7020202, 0x8020202, 0x3010100, 0x0, 0x3C141414, 0xF3565854, 0xFE545652, 0x8030303, 0x0, 0x0, 0x70162C48, 0x4E0F1F32, 0x0, 0x57112238, 0xD32B5388, 0x6010203,
0x0, 0x0, 0x0, 0x0, 0x0, 0x3C141414, 0xF5515350, 0x8030303, 0x0, 0x0, 0x0, 0x0, 0x1604080E, 0xE72F5B95, 0x330A1420, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3F151515, 0x5020202, 0x0, 0x0, 0x0, 0x0, 0x991F3C62, 0x831A3454, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1B050A11, 0x4000102, 0x0, 0x0,
};
void mkbitmap(void)
{
BITMAPINFO bi;
void *ppvBits;
ZeroMemory(&bi, sizeof (BITMAPINFO));
bi.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
bi.bmiHeader.biWidth = 16;
bi.bmiHeader.biHeight = -16; // negative height to force top-down drawing
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 32;
bi.bmiHeader.biCompression = BI_RGB;
bi.bmiHeader.biSizeImage = 16 * 16 * 4;
testbitmap = CreateDIBSection(NULL, &bi, DIB_RGB_COLORS, &ppvBits, 0, 0);
if (testbitmap == 0)
panic("test bitmap creation failed");
memcpy(ppvBits, iconpix, bi.bmiHeader.biSizeImage);
}