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[ADD] Word wrapping.

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This commit is contained in:
Tamir Atias 2012-01-05 17:35:08 +02:00
parent 6fe0ea2b24
commit 72e1b90df7
4 changed files with 121 additions and 115 deletions
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2
src/Unuk/Player.cpp
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@ -57,7 +57,7 @@ void Player::HandleInput(void) {
void Player::Update(void) {
Move();
AddSpeachBubble("Woot, My name is Allanis\n, welcome to my home");
AddSpeachBubble("Woot, My name is Allanis, welcome to my home. Just testing some more text to see if this works..");
// For now The camera will be static.
SetCamera();

3
src/libUnuk/Character.cpp
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@ -55,7 +55,8 @@ void Character::LoadSprites(string filename, int wArg, int hArg) {
void Character::AddSpeachBubble(string text) {
_speachBubble.push_back(text);
_speachBubbleText.SetTextBlended(text, small, 0, 0, 0);
_speachBubbleText.SetLineWidth(200);
_speachBubbleText.SetTextBlended(text, small, 0, 0, 0, true);
if(_speachBubbleTimer.IsStarted() == false)
_speachBubbleTimer.Start();

219
src/libUnuk/Text.cpp
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@ -13,6 +13,7 @@ Text::Text(void) {
y=0;
w=0;
h=0;
lineWidth=50;
}
Text::~Text(void) {
@ -59,7 +60,7 @@ void Text::SetXY(int xArg, int yArg) {
y = yArg;
}
int Text::SetTextBlended(string textArg, textSizes_t size, SDL_Color colour) {
int Text::SetTextBlended(string textArg, textSizes_t size, SDL_Color colour,bool wordWrap) {
_textContents = textArg;
if(!_lines.empty()) {
@ -69,10 +70,29 @@ int Text::SetTextBlended(string textArg, textSizes_t size, SDL_Color colour) {
_lines.clear();
}
TTF_Font* font = NULL;
if(size == vsmall) {
font = vSmallFont;
} else if(size == small) {
font = smallFont;
} else if(size == medium) {
font = mediumFont;
} else if(size == large) {
font = largeFont;
} else {
font = vLargeFont;
}
std::string finalTextContents = textArg;
if(wordWrap) {
finalTextContents = DoWordWrap(font, finalTextContents);
}
std::list<std::string> lines;
std::string line;
for(int i = 0; i < (int)textArg.size(); i++) {
char c = textArg.at(i);
for(int i = 0; i < (int)finalTextContents.size(); i++) {
char c = finalTextContents.at(i);
if(c=='\n') {
lines.push_back(line);
line.clear();
@ -85,68 +105,30 @@ int Text::SetTextBlended(string textArg, textSizes_t size, SDL_Color colour) {
}
for(std::list<std::string>::iterator it = lines.begin(); it != lines.end(); ++it) {
SDL_Surface* lineSurf = NULL;
if(size == vsmall) {
lineSurf = TTF_RenderText_Blended(vSmallFont, textArg.c_str(), colour);
int linePixelWidth;
int linePixelHeight;
TTF_SizeText(vSmallFont, textArg.c_str(), &linePixelWidth, &linePixelHeight);
if(linePixelWidth > w) {
w = linePixelWidth;
}
h += linePixelHeight + lineSpacing;
}
else if(size == small) {
lineSurf = TTF_RenderText_Blended(smallFont, it->c_str(), colour);
int linePixelWidth;
int linePixelHeight;
TTF_SizeText(smallFont, it->c_str(), &linePixelWidth, &linePixelHeight);
if(linePixelWidth > w) {
w = linePixelWidth;
}
h += linePixelHeight + lineSpacing;
}
else if(size == medium) {
lineSurf = TTF_RenderText_Blended(mediumFont, it->c_str(), colour);
int linePixelWidth;
int linePixelHeight;
TTF_SizeText(mediumFont, it->c_str(), &linePixelWidth, &linePixelHeight);
if(linePixelWidth > w) {
w = linePixelWidth;
}
h += linePixelHeight + lineSpacing;
}
else if(size == large) {
lineSurf = TTF_RenderText_Blended(largeFont, it->c_str(), colour);
int linePixelWidth;
int linePixelHeight;
TTF_SizeText(largeFont, it->c_str(), &linePixelWidth, &linePixelHeight);
if(linePixelWidth > w) {
w = linePixelWidth;
}
h += linePixelHeight + lineSpacing;
} else {
lineSurf = TTF_RenderText_Blended(vLargeFont, it->c_str(), colour);
int linePixelWidth;
int linePixelHeight;
TTF_SizeText(vLargeFont, it->c_str(), &linePixelWidth, &linePixelHeight);
if(linePixelWidth > w) {
w = linePixelWidth;
}
h += linePixelHeight + lineSpacing;
}
_lines.push_back(lineSurf);
SDL_Surface* lineSurf = TTF_RenderText_Blended(font, it->c_str(), colour);
int linePixelWidth;
int linePixelHeight;
TTF_SizeText(font, it->c_str(), &linePixelWidth, &linePixelHeight);
if(linePixelWidth > w) {
w = linePixelWidth;
}
h += linePixelHeight + lineSpacing;
_lines.push_back(lineSurf);
}
return 1;
}
int Text::SetTextBlended(string textArg, textSizes_t size, Uint8 r, Uint8 g, Uint8 b) {
int Text::SetTextBlended(string textArg, textSizes_t size, Uint8 r, Uint8 g, Uint8 b, bool wordWrap) {
SDL_Color f = { r, g, b };
return SetTextBlended(textArg, size, f);
return SetTextBlended(textArg, size, f, wordWrap);
}
int Text::SetTextShaded(string textArg, textSizes_t size, SDL_Color colour, SDL_Color bgColour) {
int Text::SetTextShaded(string textArg, textSizes_t size, SDL_Color colour, SDL_Color bgColour, bool wordWrap) {
_textContents = textArg;
if(!_lines.empty()) {
@ -156,10 +138,29 @@ int Text::SetTextShaded(string textArg, textSizes_t size, SDL_Color colour, SDL_
_lines.clear();
}
TTF_Font* font = NULL;
if(size == vsmall) {
font = vSmallFont;
} else if(size == small) {
font = smallFont;
} else if(size == medium) {
font = mediumFont;
} else if(size == large) {
font = largeFont;
} else {
font = vLargeFont;
}
std::string finalTextContents = textArg;
if(wordWrap) {
finalTextContents = DoWordWrap(font, finalTextContents);
}
std::list<std::string> lines;
std::string line;
for(int i = 0; i < (int)textArg.size(); i++) {
char c = textArg.at(i);
for(int i = 0; i < (int)finalTextContents.size(); i++) {
char c = finalTextContents.at(i);
if(c=='\n') {
lines.push_back(line);
line.clear();
@ -172,65 +173,28 @@ int Text::SetTextShaded(string textArg, textSizes_t size, SDL_Color colour, SDL_
}
for(std::list<std::string>::iterator it = lines.begin(); it != lines.end(); ++it) {
SDL_Surface* lineSurf;
if(size == vsmall) {
lineSurf = TTF_RenderText_Shaded(vSmallFont, it->c_str(), colour, bgColour);
int linePixelWidth;
int linePixelHeight;
TTF_SizeText(vSmallFont, it->c_str(), &linePixelWidth, &linePixelHeight);
if(linePixelWidth > w) {
w = linePixelWidth;
}
h += linePixelHeight + lineSpacing;
}
else if(size == small) {
lineSurf = TTF_RenderText_Shaded(smallFont, it->c_str(), colour, bgColour);
int linePixelWidth;
int linePixelHeight;
TTF_SizeText(smallFont, it->c_str(), &linePixelWidth, &linePixelHeight);
if(linePixelWidth > w) {
w = linePixelWidth;
}
h += linePixelHeight + lineSpacing;
}
else if(size == medium) {
lineSurf = TTF_RenderText_Shaded(mediumFont, it->c_str(), colour, bgColour);
int linePixelWidth;
int linePixelHeight;
TTF_SizeText(mediumFont, it->c_str(), &linePixelWidth, &linePixelHeight);
if(linePixelWidth > w) {
w = linePixelWidth;
}
h += linePixelHeight + lineSpacing;
}
else if(size == large) {
lineSurf = TTF_RenderText_Shaded(largeFont, it->c_str(), colour, bgColour);
int linePixelWidth;
int linePixelHeight;
TTF_SizeText(largeFont, it->c_str(), &linePixelWidth, &linePixelHeight);
if(linePixelWidth > w) {
w = linePixelWidth;
}
h += linePixelHeight + lineSpacing;
} else {
lineSurf = TTF_RenderText_Shaded(vLargeFont, it->c_str(), colour, bgColour);
int linePixelWidth;
int linePixelHeight;
TTF_SizeText(vLargeFont, it->c_str(), &linePixelWidth, &linePixelHeight);
if(linePixelWidth > w) {
w = linePixelWidth;
}
h += linePixelHeight + lineSpacing;
SDL_Surface* lineSurf = TTF_RenderText_Shaded(font, it->c_str(), colour, bgColour);
int linePixelWidth;
int linePixelHeight;
TTF_SizeText(font, it->c_str(), &linePixelWidth, &linePixelHeight);
if(linePixelWidth > w) {
w = linePixelWidth;
}
h += linePixelHeight + lineSpacing;
_lines.push_back(lineSurf);
}
return 1;
}
int Text::SetTextShaded(string textArg, textSizes_t size, Uint8 rF, Uint8 gF, Uint8 bF, Uint8 rB, Uint8 gB, Uint8 bB) {
int Text::SetTextShaded(string textArg, textSizes_t size, Uint8 rF, Uint8 gF, Uint8 bF, Uint8 rB, Uint8 gB, Uint8 bB, bool wordWrap) {
SDL_Color f = { rF, gF, bF };
SDL_Color b = { rB, gB, bB };
return SetTextShaded(textArg, size, f, b);
return SetTextShaded(textArg, size, f, b, wordWrap);
}
void Text::Render(void) {
@ -268,3 +232,38 @@ void Text::RenderLiteral(int xArg, int yArg) {
yOffset += lineSurf->h + lineSpacing;
}
}
std::string Text::DoWordWrap(TTF_Font* fontArg, const std::string& textArg) {
int leftSpace = lineWidth;
char* tokenizedText = strdup(textArg.c_str());
char* tokenizedTextOrigin = tokenizedText;
std::string wrappedText(textArg);
int offsetInWrappedText = 0;
int spaceWidth;
TTF_SizeText(fontArg, " ", &spaceWidth, NULL);
char* word = strtok(tokenizedText, " ");
while (word) {
int wordWidth;
TTF_SizeText(fontArg, word, &wordWidth, NULL);
if ((wordWidth + spaceWidth) > leftSpace) {
wrappedText.insert((word - tokenizedTextOrigin) + offsetInWrappedText, "\n");
offsetInWrappedText++;
leftSpace = lineWidth - wordWidth;
} else {
leftSpace -= wordWidth + spaceWidth;
}
word = strtok(NULL, " ");
}
// delete[] tokenizedText;
return wrappedText;
}

14
src/libUnuk/Text.h
View File

@ -30,10 +30,13 @@ public:
void SetXY(int xArg, int yArg);
int SetTextBlended(string textArg, textSizes_t size, SDL_Color);
int SetTextBlended(string textArg, textSizes_t size, Uint8 r, Uint8 g, Uint8 b);
int SetTextShaded(string textArg, textSizes_t size, SDL_Color, SDL_Color);
int SetTextShaded(string textArg, textSizes_t size, Uint8 rF, Uint8 gF, Uint8 bF, Uint8 rB, Uint8 gB, Uint8 bB);
int GetLineWidth() { return lineWidth; }
void SetLineWidth(int lineWidthArg) { lineWidth = lineWidthArg; }
int SetTextBlended(string textArg, textSizes_t size, SDL_Color, bool wordWrap=false);
int SetTextBlended(string textArg, textSizes_t size, Uint8 r, Uint8 g, Uint8 b, bool wordWrap=false);
int SetTextShaded(string textArg, textSizes_t size, SDL_Color, SDL_Color, bool wordWrap=false);
int SetTextShaded(string textArg, textSizes_t size, Uint8 rF, Uint8 gF, Uint8 bF, Uint8 rB, Uint8 gB, Uint8 bB, bool wordWrap=false);
string GetText(void) { return _textContents; }
@ -44,11 +47,14 @@ public:
private:
int x, y, w, h;
int lineWidth;
string _textContents;
SDL_Color _textColour;
std::list<SDL_Surface*> _lines;
std::string DoWordWrap(TTF_Font* fontArg, const std::string& textArg);
static TTF_Font* vSmallFont;
static TTF_Font* smallFont;
static TTF_Font* mediumFont;