aboutsummaryrefslogtreecommitdiffhomepage
path: root/win32/PlatWin.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'win32/PlatWin.cxx')
-rw-r--r--win32/PlatWin.cxx122
1 files changed, 62 insertions, 60 deletions
diff --git a/win32/PlatWin.cxx b/win32/PlatWin.cxx
index 5bff083e3..388002c70 100644
--- a/win32/PlatWin.cxx
+++ b/win32/PlatWin.cxx
@@ -500,13 +500,14 @@ const int stackBufferLength = 1000;
class TextWide : public VarBuffer<wchar_t, stackBufferLength> {
public:
int tlen; // Using int instead of size_t as most Win32 APIs take int.
- TextWide(const char *s, int len, bool unicodeMode, int codePage=0) :
- VarBuffer<wchar_t, stackBufferLength>(len) {
+ TextWide(std::string_view text, bool unicodeMode, int codePage=0) :
+ VarBuffer<wchar_t, stackBufferLength>(text.length()) {
if (unicodeMode) {
- tlen = static_cast<int>(UTF16FromUTF8(s, len, buffer, len));
+ tlen = static_cast<int>(UTF16FromUTF8(text.data(), text.length(), buffer, text.length()));
} else {
// Support Asian string display in 9x English
- tlen = ::MultiByteToWideChar(codePage, 0, s, len, buffer, len);
+ tlen = ::MultiByteToWideChar(codePage, 0, text.data(), static_cast<int>(text.length()),
+ buffer, static_cast<int>(text.length()));
}
}
};
@@ -565,12 +566,12 @@ public:
void Ellipse(PRectangle rc, ColourDesired fore, ColourDesired back) override;
void Copy(PRectangle rc, Point from, Surface &surfaceSource) override;
- void DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, UINT fuOptions);
- void DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore, ColourDesired back) override;
- void DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore, ColourDesired back) override;
- void DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore) override;
- void MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *positions) override;
- XYPOSITION WidthText(Font &font_, const char *s, int len) override;
+ void DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, UINT fuOptions);
+ void DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, ColourDesired fore, ColourDesired back) override;
+ void DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, ColourDesired fore, ColourDesired back) override;
+ void DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, ColourDesired fore) override;
+ void MeasureWidths(Font &font_, std::string_view text, XYPOSITION *positions) override;
+ XYPOSITION WidthText(Font &font_, std::string_view text) override;
XYPOSITION Ascent(Font &font_) override;
XYPOSITION Descent(Font &font_) override;
XYPOSITION InternalLeading(Font &font_) override;
@@ -913,69 +914,70 @@ void SurfaceGDI::Copy(PRectangle rc, Point from, Surface &surfaceSource) {
typedef VarBuffer<int, stackBufferLength> TextPositionsI;
-void SurfaceGDI::DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, UINT fuOptions) {
+void SurfaceGDI::DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, UINT fuOptions) {
SetFont(font_);
const RECT rcw = RectFromPRectangle(rc);
const int x = static_cast<int>(rc.left);
const int yBaseInt = static_cast<int>(ybase);
if (unicodeMode) {
- const TextWide tbuf(s, len, unicodeMode, codePage);
- ::ExtTextOutW(hdc, x, yBaseInt, fuOptions, &rcw, tbuf.buffer, tbuf.tlen, NULL);
+ const TextWide tbuf(text, unicodeMode, codePage);
+ ::ExtTextOutW(hdc, x, yBaseInt, fuOptions, &rcw, tbuf.buffer, tbuf.tlen, nullptr);
} else {
- ::ExtTextOutA(hdc, x, yBaseInt, fuOptions, &rcw, s, len, NULL);
+ ::ExtTextOutA(hdc, x, yBaseInt, fuOptions, &rcw, text.data(), static_cast<UINT>(text.length()), nullptr);
}
}
-void SurfaceGDI::DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
+void SurfaceGDI::DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text,
ColourDesired fore, ColourDesired back) {
::SetTextColor(hdc, fore.AsInteger());
::SetBkColor(hdc, back.AsInteger());
- DrawTextCommon(rc, font_, ybase, s, len, ETO_OPAQUE);
+ DrawTextCommon(rc, font_, ybase, text, ETO_OPAQUE);
}
-void SurfaceGDI::DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
+void SurfaceGDI::DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text,
ColourDesired fore, ColourDesired back) {
::SetTextColor(hdc, fore.AsInteger());
::SetBkColor(hdc, back.AsInteger());
- DrawTextCommon(rc, font_, ybase, s, len, ETO_OPAQUE | ETO_CLIPPED);
+ DrawTextCommon(rc, font_, ybase, text, ETO_OPAQUE | ETO_CLIPPED);
}
-void SurfaceGDI::DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
+void SurfaceGDI::DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text,
ColourDesired fore) {
// Avoid drawing spaces in transparent mode
- for (int i=0; i<len; i++) {
- if (s[i] != ' ') {
+ for (size_t i=0; i<text.length(); i++) {
+ if (text[i] != ' ') {
::SetTextColor(hdc, fore.AsInteger());
::SetBkMode(hdc, TRANSPARENT);
- DrawTextCommon(rc, font_, ybase, s, len, 0);
+ DrawTextCommon(rc, font_, ybase, text, 0);
::SetBkMode(hdc, OPAQUE);
return;
}
}
}
-XYPOSITION SurfaceGDI::WidthText(Font &font_, const char *s, int len) {
+XYPOSITION SurfaceGDI::WidthText(Font &font_, std::string_view text) {
SetFont(font_);
SIZE sz={0,0};
if (!unicodeMode) {
- ::GetTextExtentPoint32A(hdc, s, std::min(len, maxLenText), &sz);
+ ::GetTextExtentPoint32A(hdc, text.data(), std::min(static_cast<int>(text.length()), maxLenText), &sz);
} else {
- const TextWide tbuf(s, len, unicodeMode, codePage);
+ const TextWide tbuf(text, unicodeMode, codePage);
::GetTextExtentPoint32W(hdc, tbuf.buffer, tbuf.tlen, &sz);
}
return static_cast<XYPOSITION>(sz.cx);
}
-void SurfaceGDI::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *positions) {
+void SurfaceGDI::MeasureWidths(Font &font_, std::string_view text, XYPOSITION *positions) {
// Zero positions to avoid random behaviour on failure.
- std::fill(positions, positions + len, 0.0f);
+ std::fill(positions, positions + text.length(), 0.0f);
SetFont(font_);
SIZE sz={0,0};
int fit = 0;
int i = 0;
+ const int len = static_cast<int>(text.length());
if (unicodeMode) {
- const TextWide tbuf(s, len, unicodeMode, codePage);
+ const TextWide tbuf(text, unicodeMode, codePage);
TextPositionsI poses(tbuf.tlen);
if (!::GetTextExtentExPointW(hdc, tbuf.buffer, tbuf.tlen, maxWidthMeasure, &fit, poses.buffer, &sz)) {
// Failure
@@ -983,7 +985,7 @@ void SurfaceGDI::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *
}
// Map the widths given for UTF-16 characters back onto the UTF-8 input string
for (int ui = 0; ui < fit; ui++) {
- const unsigned char uch = s[i];
+ const unsigned char uch = text[i];
const unsigned int byteCount = UTF8BytesOfLead[uch];
if (byteCount == 4) { // Non-BMP
ui++;
@@ -994,7 +996,7 @@ void SurfaceGDI::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *
}
} else {
TextPositionsI poses(len);
- if (!::GetTextExtentExPointA(hdc, s, len, maxWidthMeasure, &fit, poses.buffer, &sz)) {
+ if (!::GetTextExtentExPointA(hdc, text.data(), len, maxWidthMeasure, &fit, poses.buffer, &sz)) {
// Eeek - a NULL DC or other foolishness could cause this.
return;
}
@@ -1005,7 +1007,7 @@ void SurfaceGDI::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *
}
// If any positions not filled in then use the last position for them
const XYPOSITION lastPos = (fit > 0) ? positions[fit - 1] : 0.0f;
- std::fill(positions+i, positions + len, lastPos);
+ std::fill(positions+i, positions + text.length(), lastPos);
}
XYPOSITION SurfaceGDI::Ascent(Font &font_) {
@@ -1126,12 +1128,12 @@ public:
void Ellipse(PRectangle rc, ColourDesired fore, ColourDesired back) override;
void Copy(PRectangle rc, Point from, Surface &surfaceSource) override;
- void DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, UINT fuOptions);
- void DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore, ColourDesired back) override;
- void DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore, ColourDesired back) override;
- void DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourDesired fore) override;
- void MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *positions) override;
- XYPOSITION WidthText(Font &font_, const char *s, int len) override;
+ void DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, UINT fuOptions);
+ void DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, ColourDesired fore, ColourDesired back) override;
+ void DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, ColourDesired fore, ColourDesired back) override;
+ void DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, ColourDesired fore) override;
+ void MeasureWidths(Font &font_, std::string_view text, XYPOSITION *positions) override;
+ XYPOSITION WidthText(Font &font_, std::string_view text) override;
XYPOSITION Ascent(Font &font_) override;
XYPOSITION Descent(Font &font_) override;
XYPOSITION InternalLeading(Font &font_) override;
@@ -1531,11 +1533,11 @@ void SurfaceD2D::Copy(PRectangle rc, Point from, Surface &surfaceSource) {
}
}
-void SurfaceD2D::DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, UINT fuOptions) {
+void SurfaceD2D::DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text, UINT fuOptions) {
SetFont(font_);
// Use Unicode calls
- const TextWide tbuf(s, len, unicodeMode, codePageText);
+ const TextWide tbuf(text, unicodeMode, codePageText);
if (pRenderTarget && pTextFormat && pBrush) {
if (fuOptions & ETO_CLIPPED) {
D2D1_RECT_F rcClip = {rc.left, rc.top, rc.right, rc.bottom};
@@ -1558,42 +1560,42 @@ void SurfaceD2D::DrawTextCommon(PRectangle rc, Font &font_, XYPOSITION ybase, co
}
}
-void SurfaceD2D::DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
+void SurfaceD2D::DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text,
ColourDesired fore, ColourDesired back) {
if (pRenderTarget) {
FillRectangle(rc, back);
D2DPenColour(fore);
- DrawTextCommon(rc, font_, ybase, s, len, ETO_OPAQUE);
+ DrawTextCommon(rc, font_, ybase, text, ETO_OPAQUE);
}
}
-void SurfaceD2D::DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
+void SurfaceD2D::DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text,
ColourDesired fore, ColourDesired back) {
if (pRenderTarget) {
FillRectangle(rc, back);
D2DPenColour(fore);
- DrawTextCommon(rc, font_, ybase, s, len, ETO_OPAQUE | ETO_CLIPPED);
+ DrawTextCommon(rc, font_, ybase, text, ETO_OPAQUE | ETO_CLIPPED);
}
}
-void SurfaceD2D::DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len,
+void SurfaceD2D::DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, std::string_view text,
ColourDesired fore) {
// Avoid drawing spaces in transparent mode
- for (int i=0; i<len; i++) {
- if (s[i] != ' ') {
+ for (size_t i=0; i<text.length(); i++) {
+ if (text[i] != ' ') {
if (pRenderTarget) {
D2DPenColour(fore);
- DrawTextCommon(rc, font_, ybase, s, len, 0);
+ DrawTextCommon(rc, font_, ybase, text, 0);
}
return;
}
}
}
-XYPOSITION SurfaceD2D::WidthText(Font &font_, const char *s, int len) {
+XYPOSITION SurfaceD2D::WidthText(Font &font_, std::string_view text) {
FLOAT width = 1.0;
SetFont(font_);
- const TextWide tbuf(s, len, unicodeMode, codePageText);
+ const TextWide tbuf(text, unicodeMode, codePageText);
if (pIDWriteFactory && pTextFormat) {
// Create a layout
IDWriteTextLayout *pTextLayout = 0;
@@ -1608,13 +1610,13 @@ XYPOSITION SurfaceD2D::WidthText(Font &font_, const char *s, int len) {
return width;
}
-void SurfaceD2D::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *positions) {
+void SurfaceD2D::MeasureWidths(Font &font_, std::string_view text, XYPOSITION *positions) {
SetFont(font_);
if (!pIDWriteFactory || !pTextFormat) {
// SetFont failed or no access to DirectWrite so give up.
return;
}
- const TextWide tbuf(s, len, unicodeMode, codePageText);
+ const TextWide tbuf(text, unicodeMode, codePageText);
TextPositions poses(tbuf.tlen);
// Initialize poses for safety.
std::fill(poses.buffer, poses.buffer + tbuf.tlen, 0.0f);
@@ -1645,14 +1647,14 @@ void SurfaceD2D::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *
if (unicodeMode) {
// Map the widths given for UTF-16 characters back onto the UTF-8 input string
int ui=0;
- int i=0;
+ size_t i=0;
while (ui<tbuf.tlen) {
- const unsigned char uch = s[i];
+ const unsigned char uch = text[i];
const unsigned int byteCount = UTF8BytesOfLead[uch];
if (byteCount == 4) { // Non-BMP
ui++;
}
- for (unsigned int bytePos=0; (bytePos<byteCount) && (i<len); bytePos++) {
+ for (unsigned int bytePos=0; (bytePos<byteCount) && (i<text.length()); bytePos++) {
positions[i++] = poses.buffer[ui];
}
ui++;
@@ -1660,13 +1662,13 @@ void SurfaceD2D::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *
XYPOSITION lastPos = 0.0f;
if (i > 0)
lastPos = positions[i-1];
- while (i<len) {
+ while (i<text.length()) {
positions[i++] = lastPos;
}
} else if (codePageText == 0) {
// One char per position
- PLATFORM_ASSERT(len == tbuf.tlen);
+ PLATFORM_ASSERT(text.length() == tbuf.tlen);
for (int kk=0; kk<tbuf.tlen; kk++) {
positions[kk] = poses.buffer[kk];
}
@@ -1675,9 +1677,9 @@ void SurfaceD2D::MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *
// May be one or two bytes per position
int ui = 0;
- for (int i=0; i<len && ui<tbuf.tlen;) {
+ for (size_t i=0; i<text.length() && ui<tbuf.tlen;) {
positions[i] = poses.buffer[ui];
- if (DBCSIsLeadByte(codePageText, s[i])) {
+ if (DBCSIsLeadByte(codePageText, text[i])) {
positions[i+1] = poses.buffer[ui];
i += 2;
} else {
@@ -2169,7 +2171,7 @@ PRectangle ListBoxX::GetDesiredRect() {
if (widestItem) {
len = static_cast<int>(strlen(widestItem));
if (unicodeMode) {
- const TextWide tbuf(widestItem, len, unicodeMode);
+ const TextWide tbuf(widestItem, unicodeMode);
::GetTextExtentPoint32W(hdc, tbuf.buffer, tbuf.tlen, &textSize);
} else {
::GetTextExtentPoint32A(hdc, widestItem, len, &textSize);
@@ -2286,7 +2288,7 @@ void ListBoxX::Draw(DRAWITEMSTRUCT *pDrawItem) {
::InsetRect(&rcText, static_cast<int>(TextInset.x), static_cast<int>(TextInset.y));
if (unicodeMode) {
- const TextWide tbuf(text, len, unicodeMode);
+ const TextWide tbuf(text, unicodeMode);
::DrawTextW(pDrawItem->hDC, tbuf.buffer, tbuf.tlen, &rcText, DT_NOPREFIX|DT_END_ELLIPSIS|DT_SINGLELINE|DT_NOCLIP);
} else {
::DrawTextA(pDrawItem->hDC, text, len, &rcText, DT_NOPREFIX|DT_END_ELLIPSIS|DT_SINGLELINE|DT_NOCLIP);
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-11 17:48:35 +0000