summaryrefslogtreecommitdiff
path: root/src/graphics.cpp
diff options
context:
space:
mode:
authorAndrei Karas <akaras@inbox.ru>2012-08-26 18:40:15 +0300
committerAndrei Karas <akaras@inbox.ru>2012-08-26 18:40:15 +0300
commit3c374b32aafb85dca19d39d5e431c6efe0302f27 (patch)
tree2bf911551c92af6ea69a53134fd3353d7bb57f37 /src/graphics.cpp
parent780c9da133b956785cb9c0d9c5e3e67f8209e15c (diff)
downloadplus-3c374b32aafb85dca19d39d5e431c6efe0302f27.tar.gz
plus-3c374b32aafb85dca19d39d5e431c6efe0302f27.tar.bz2
plus-3c374b32aafb85dca19d39d5e431c6efe0302f27.tar.xz
plus-3c374b32aafb85dca19d39d5e431c6efe0302f27.zip
Add const to graphics class.
Diffstat (limited to 'src/graphics.cpp')
-rw-r--r--src/graphics.cpp209
1 files changed, 117 insertions, 92 deletions
diff --git a/src/graphics.cpp b/src/graphics.cpp
index 36cbde8d0..c217fed05 100644
--- a/src/graphics.cpp
+++ b/src/graphics.cpp
@@ -88,13 +88,14 @@ Graphics::~Graphics()
_endDraw();
}
-void Graphics::setSync(bool sync)
+void Graphics::setSync(const bool sync)
{
mSync = sync;
}
-void Graphics::setMainFlags(int w, int h, int bpp, bool fs,
- bool hwaccel, bool resize, bool noFrame)
+void Graphics::setMainFlags(const int w, const int h, const int bpp,
+ const bool fs, const bool hwaccel,
+ const bool resize, const bool noFrame)
{
logger->log("graphics backend: %s", getName().c_str());
logger->log("Setting video mode %dx%d %s",
@@ -109,7 +110,7 @@ void Graphics::setMainFlags(int w, int h, int bpp, bool fs,
mNoFrame = noFrame;
}
-int Graphics::getOpenGLFlags()
+int Graphics::getOpenGLFlags() const
{
#ifdef USE_OPENGL
int displayFlags = SDL_ANYFORMAT | SDL_OPENGL;
@@ -200,7 +201,7 @@ bool Graphics::setOpenGLMode()
#endif
}
-int Graphics::getSoftwareFlags()
+int Graphics::getSoftwareFlags() const
{
int displayFlags = SDL_ANYFORMAT;
@@ -236,7 +237,7 @@ void Graphics::updateMemoryInfo()
#endif
}
-int Graphics::getMemoryUsage()
+int Graphics::getMemoryUsage() const
{
#ifdef USE_OPENGL
if (!mStartFreeMem)
@@ -253,8 +254,9 @@ int Graphics::getMemoryUsage()
return 0;
}
-bool Graphics::setVideoMode(int w, int h, int bpp, bool fs,
- bool hwaccel, bool resize, bool noFrame)
+bool Graphics::setVideoMode(const int w, const int h, const int bpp,
+ const bool fs, const bool hwaccel,
+ const bool resize, const bool noFrame)
{
setMainFlags(w, h, bpp, fs, hwaccel, resize, noFrame);
@@ -282,7 +284,7 @@ bool Graphics::videoInfo()
imageHelper->dumpSurfaceFormat(mTarget);
- const SDL_VideoInfo *vi = SDL_GetVideoInfo();
+ const SDL_VideoInfo *const vi = SDL_GetVideoInfo();
if (!vi)
return false;
@@ -308,7 +310,7 @@ bool Graphics::videoInfo()
return true;
}
-bool Graphics::setFullscreen(bool fs)
+bool Graphics::setFullscreen(const bool fs)
{
if (mFullscreen == fs)
return true;
@@ -317,7 +319,7 @@ bool Graphics::setFullscreen(bool fs)
mEnableResize, mNoFrame);
}
-bool Graphics::resizeScreen(int width, int height)
+bool Graphics::resizeScreen(const int width, const int height)
{
if (mWidth == width && mHeight == height)
return true;
@@ -327,7 +329,7 @@ bool Graphics::resizeScreen(int width, int height)
_endDraw();
- bool success = setVideoMode(width, height, mBpp,
+ const bool success = setVideoMode(width, height, mBpp,
mFullscreen, mHWAccel, mEnableResize, mNoFrame);
// If it didn't work, try to restore the previous size. If that didn't
@@ -369,11 +371,12 @@ bool Graphics::drawImage(const Image *image, int x, int y)
}
}
-bool Graphics::drawRescaledImage(Image *image, int srcX, int srcY,
+bool Graphics::drawRescaledImage(Image *const image, int srcX, int srcY,
int dstX, int dstY,
- int width, int height,
- int desiredWidth, int desiredHeight,
- bool useColor A_UNUSED)
+ const int width, const int height,
+ const int desiredWidth,
+ const int desiredHeight,
+ const bool useColor A_UNUSED)
{
// Check that preconditions for blitting are met.
if (!mTarget || !image)
@@ -413,8 +416,9 @@ bool Graphics::drawRescaledImage(Image *image, int srcX, int srcY,
return returnValue;
}
-bool Graphics::drawImage2(const Image *image, int srcX, int srcY,
- int dstX, int dstY, int width, int height, bool)
+bool Graphics::drawImage2(const Image *const image, int srcX, int srcY,
+ int dstX, int dstY, const int width,
+ const int height, const bool useColor A_UNUSED)
{
// Check that preconditions for blitting are met.
if (!mTarget || !image || !image->mSDLSurface)
@@ -447,7 +451,9 @@ bool Graphics::drawImage2(const Image *image, int srcX, int srcY,
}
}
-void Graphics::drawImagePattern(const Image *image, int x, int y, int w, int h)
+void Graphics::drawImagePattern(const Image *const image,
+ const int x, const int y,
+ const int w, const int h)
{
// Check that preconditions for blitting are met.
if (!mTarget || !image)
@@ -463,15 +469,15 @@ void Graphics::drawImagePattern(const Image *image, int x, int y, int w, int h)
for (int py = 0; py < h; py += ih) // Y position on pattern plane
{
- int dh = (py + ih >= h) ? h - py : ih;
- int srcY = image->mBounds.y;
- int dstY = y + py + mClipStack.top().yOffset;
+ const int dh = (py + ih >= h) ? h - py : ih;
+ const int srcY = image->mBounds.y;
+ const int dstY = y + py + mClipStack.top().yOffset;
for (int px = 0; px < w; px += iw) // X position on pattern plane
{
- int dw = (px + iw >= w) ? w - px : iw;
- int srcX = image->mBounds.x;
- int dstX = x + px + mClipStack.top().xOffset;
+ const int dw = (px + iw >= w) ? w - px : iw;
+ const int srcX = image->mBounds.x;
+ const int dstX = x + px + mClipStack.top().xOffset;
SDL_Rect dstRect;
SDL_Rect srcRect;
@@ -487,9 +493,11 @@ void Graphics::drawImagePattern(const Image *image, int x, int y, int w, int h)
}
}
-void Graphics::drawRescaledImagePattern(Image *image, int x, int y,
- int w, int h, int scaledWidth,
- int scaledHeight)
+void Graphics::drawRescaledImagePattern(const Image *const image,
+ const int x, const int y,
+ const int w, const int h,
+ const int scaledWidth,
+ const int scaledHeight)
{
// Check that preconditions for blitting are met.
if (!mTarget || !image)
@@ -512,15 +520,15 @@ void Graphics::drawRescaledImagePattern(Image *image, int x, int y,
for (int py = 0; py < h; py += ih) // Y position on pattern plane
{
- int dh = (py + ih >= h) ? h - py : ih;
- int srcY = tmpImage->mBounds.y;
- int dstY = y + py + mClipStack.top().yOffset;
+ const int dh = (py + ih >= h) ? h - py : ih;
+ const int srcY = tmpImage->mBounds.y;
+ const int dstY = y + py + mClipStack.top().yOffset;
for (int px = 0; px < w; px += iw) // X position on pattern plane
{
- int dw = (px + iw >= w) ? w - px : iw;
- int srcX = tmpImage->mBounds.x;
- int dstX = x + px + mClipStack.top().xOffset;
+ const int dw = (px + iw >= w) ? w - px : iw;
+ const int srcX = tmpImage->mBounds.x;
+ const int dstX = x + px + mClipStack.top().xOffset;
SDL_Rect dstRect;
SDL_Rect srcRect;
@@ -539,12 +547,17 @@ void Graphics::drawRescaledImagePattern(Image *image, int x, int y,
delete tmpImage;
}
-void Graphics::drawImageRect(int x, int y, int w, int h,
- Image *topLeft, Image *topRight,
- Image *bottomLeft, Image *bottomRight,
- Image *top, Image *right,
- Image *bottom, Image *left,
- Image *center)
+void Graphics::drawImageRect(const int x, const int y,
+ const int w, const int h,
+ const Image *const topLeft,
+ const Image *const topRight,
+ const Image *const bottomLeft,
+ const Image *const bottomRight,
+ const Image *const top,
+ const Image *const right,
+ const Image *const bottom,
+ const Image *const left,
+ const Image *const center)
{
const bool drawMain = center && topLeft && topRight
&& bottomLeft && bottomRight;
@@ -599,7 +612,8 @@ void Graphics::drawImageRect(int x, int y, int w, int h,
imgRect.grid[4]);
}
-void Graphics::drawImageRect2(GraphicsVertexes* vert, const ImageRect &imgRect)
+void Graphics::drawImageRect2(GraphicsVertexes *const vert,
+ const ImageRect &imgRect)
{
if (!vert)
return;
@@ -644,11 +658,12 @@ void Graphics::drawImageRect2(GraphicsVertexes* vert, const ImageRect &imgRect)
}
}
-void Graphics::drawImagePattern2(GraphicsVertexes *vert, const Image *img)
+void Graphics::drawImagePattern2(GraphicsVertexes *const vert,
+ const Image *const img)
{
// here not checking input parameters
- std::vector<DoubleRect*> *arr = vert->getRectsSDL();
+ std::vector<DoubleRect*> *const arr = vert->getRectsSDL();
for (std::vector<DoubleRect*>::const_iterator it = arr->begin(),
it_end = arr->end(); it != it_end; ++it)
@@ -658,13 +673,18 @@ void Graphics::drawImagePattern2(GraphicsVertexes *vert, const Image *img)
}
}
-bool Graphics::calcImageRect(GraphicsVertexes* vert,
- int x, int y, int w, int h,
- Image *topLeft, Image *topRight,
- Image *bottomLeft, Image *bottomRight,
- Image *top, Image *right,
- Image *bottom, Image *left,
- Image *center)
+bool Graphics::calcImageRect(GraphicsVertexes *const vert,
+ const int x, const int y,
+ const int w, const int h,
+ const Image *const topLeft,
+ const Image *const topRight,
+ const Image *const bottomLeft,
+ const Image *const bottomRight,
+ const Image *const top,
+ const Image *const right,
+ const Image *const bottom,
+ const Image *const left,
+ const Image *const center)
{
if (!vert)
return false;
@@ -716,8 +736,10 @@ bool Graphics::calcImageRect(GraphicsVertexes* vert,
return 0;
}
-void Graphics::calcImagePattern(GraphicsVertexes* vert,
- Image *image, int x, int y, int w, int h)
+void Graphics::calcImagePattern(GraphicsVertexes* const vert,
+ const Image *const image,
+ const int x, const int y,
+ const int w, const int h)
{
// Check that preconditions for blitting are met.
if (!vert || !mTarget || !image || !image->mSDLSurface || !vert->sdl)
@@ -738,15 +760,15 @@ void Graphics::calcImagePattern(GraphicsVertexes* vert,
for (int py = 0; py < h; py += ih) // Y position on pattern plane
{
- int dh = (py + ih >= h) ? h - py : ih;
- int srcY = image->mBounds.y;
- int dstY = y + py + mClipStack.top().yOffset;
+ const int dh = (py + ih >= h) ? h - py : ih;
+ const int srcY = image->mBounds.y;
+ const int dstY = y + py + mClipStack.top().yOffset;
for (int px = 0; px < w; px += iw) // X position on pattern plane
{
- int dw = (px + iw >= w) ? w - px : iw;
- int srcX = image->mBounds.x;
- int dstX = x + px + mClipStack.top().xOffset;
+ const int dw = (px + iw >= w) ? w - px : iw;
+ const int srcX = image->mBounds.x;
+ const int dstX = x + px + mClipStack.top().xOffset;
SDL_Rect dstRect;
SDL_Rect srcRect;
@@ -767,13 +789,13 @@ void Graphics::calcImagePattern(GraphicsVertexes* vert,
vert->incPtr(1);
}
-void Graphics::calcTile(ImageVertexes *vert, int x, int y)
+void Graphics::calcTile(ImageVertexes *const vert, int x, int y)
{
// Check that preconditions for blitting are met.
if (!vert || !vert->image || !vert->image->mSDLSurface)
return;
- const Image *image = vert->image;
+ const Image *const image = vert->image;
x += mClipStack.top().xOffset;
y += mClipStack.top().yOffset;
@@ -797,13 +819,13 @@ void Graphics::calcTile(ImageVertexes *vert, int x, int y)
}
}
-void Graphics::drawTile(ImageVertexes *vert)
+void Graphics::drawTile(const ImageVertexes *const vert)
{
// vert and img must be != 0
- Image *img = vert->image;
- DoubleRects *rects = &vert->sdl;
+ const Image *const img = vert->image;
+ const DoubleRects *const rects = &vert->sdl;
DoubleRects::const_iterator it = rects->begin();
- DoubleRects::const_iterator it_end = rects->end();
+ const DoubleRects::const_iterator it_end = rects->end();
while (it != it_end)
{
SDL_LowerBlit(img->mSDLSurface, &(*it)->src, mTarget, &(*it)->dst);
@@ -827,18 +849,18 @@ void Graphics::updateScreen()
SDL_Surface *Graphics::getScreenshot()
{
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- int rmask = 0xff000000;
- int gmask = 0x00ff0000;
- int bmask = 0x0000ff00;
+ const int rmask = 0xff000000;
+ const int gmask = 0x00ff0000;
+ const int bmask = 0x0000ff00;
#else
- int rmask = 0x000000ff;
- int gmask = 0x0000ff00;
- int bmask = 0x00ff0000;
+ const int rmask = 0x000000ff;
+ const int gmask = 0x0000ff00;
+ const int bmask = 0x00ff0000;
#endif
- int amask = 0x00000000;
+ const int amask = 0x00000000;
- SDL_Surface *screenshot = SDL_CreateRGBSurface(SDL_SWSURFACE, mTarget->w,
- mTarget->h, 24, rmask, gmask, bmask, amask);
+ SDL_Surface *const screenshot = SDL_CreateRGBSurface(SDL_SWSURFACE,
+ mTarget->w, mTarget->h, 24, rmask, gmask, bmask, amask);
if (screenshot)
SDL_BlitSurface(mTarget, nullptr, screenshot, nullptr);
@@ -846,7 +868,8 @@ SDL_Surface *Graphics::getScreenshot()
return screenshot;
}
-bool Graphics::drawNet(int x1, int y1, int x2, int y2, int width, int height)
+bool Graphics::drawNet(const int x1, const int y1, const int x2, const int y2,
+ const int width, const int height)
{
for (int y = y1; y < y2; y += height)
drawLine(x1, y, x2, y);
@@ -857,8 +880,8 @@ bool Graphics::drawNet(int x1, int y1, int x2, int y2, int width, int height)
return true;
}
-bool Graphics::calcWindow(GraphicsVertexes* vert,
- int x, int y, int w, int h,
+bool Graphics::calcWindow(GraphicsVertexes *const vert,
+ const int x, const int y, const int w, const int h,
const ImageRect &imgRect)
{
return calcImageRect(vert, x, y, w, h,
@@ -867,8 +890,10 @@ bool Graphics::calcWindow(GraphicsVertexes* vert,
imgRect.grid[4]);
}
-int Graphics::SDL_FakeUpperBlit(SDL_Surface *src, SDL_Rect *srcrect,
- SDL_Surface *dst, SDL_Rect *dstrect)
+int Graphics::SDL_FakeUpperBlit(const SDL_Surface *const src,
+ SDL_Rect *const srcrect,
+ SDL_Surface *const dst,
+ SDL_Rect *dstrect) const
{
SDL_Rect fulldst;
int srcx, srcy, w, h;
@@ -927,7 +952,7 @@ int Graphics::SDL_FakeUpperBlit(SDL_Surface *src, SDL_Rect *srcrect,
/* clip the destination rectangle against the clip rectangle */
{
- SDL_Rect *clip = &dst->clip_rect;
+ const SDL_Rect *const clip = &dst->clip_rect;
int dx, dy;
dx = clip->x - dstrect->x;
@@ -985,18 +1010,18 @@ void Graphics::fillRectangle(const gcn::Rectangle& rectangle)
if (mAlpha)
{
- int x1 = area.x > top.x ? area.x : top.x;
- int y1 = area.y > top.y ? area.y : top.y;
- int x2 = area.x + area.width < top.x + top.width ?
+ const int x1 = area.x > top.x ? area.x : top.x;
+ const int y1 = area.y > top.y ? area.y : top.y;
+ const int x2 = area.x + area.width < top.x + top.width ?
area.x + area.width : top.x + top.width;
- int y2 = area.y + area.height < top.y + top.height ?
+ const int y2 = area.y + area.height < top.y + top.height ?
area.y + area.height : top.y + top.height;
int x, y;
SDL_LockSurface(mTarget);
const int bpp = mTarget->format->BytesPerPixel;
- uint32_t pixel = SDL_MapRGB(mTarget->format,
+ const uint32_t pixel = SDL_MapRGB(mTarget->format,
static_cast<uint8_t>(mColor.r), static_cast<uint8_t>(mColor.g),
static_cast<uint8_t>(mColor.b));
@@ -1005,7 +1030,7 @@ void Graphics::fillRectangle(const gcn::Rectangle& rectangle)
case 1:
for (y = y1; y < y2; y++)
{
- uint8_t *p = static_cast<uint8_t *>(mTarget->pixels)
+ uint8_t *const p = static_cast<uint8_t *>(mTarget->pixels)
+ y * mTarget->pitch;
for (x = x1; x < x2; x++)
*(p + x) = static_cast<uint8_t>(pixel);
@@ -1014,11 +1039,11 @@ void Graphics::fillRectangle(const gcn::Rectangle& rectangle)
case 2:
for (y = y1; y < y2; y++)
{
- uint8_t *p0 = static_cast<uint8_t *>(mTarget->pixels)
+ uint8_t *const p0 = static_cast<uint8_t *>(mTarget->pixels)
+ y * mTarget->pitch;
for (x = x1; x < x2; x++)
{
- uint8_t *p = p0 + x * 2;
+ uint8_t *const p = p0 + x * 2;
*reinterpret_cast<uint16_t *>(p) = gcn::SDLAlpha16(
static_cast<uint16_t>(pixel),
*reinterpret_cast<uint16_t *>(p),
@@ -1035,11 +1060,11 @@ void Graphics::fillRectangle(const gcn::Rectangle& rectangle)
for (y = y1; y < y2; y++)
{
- uint8_t *p0 = static_cast<uint8_t *>(mTarget->pixels)
+ uint8_t *const p0 = static_cast<uint8_t *>(mTarget->pixels)
+ y * mTarget->pitch;
for (x = x1; x < x2; x++)
{
- uint8_t *p = p0 + x * 3;
+ uint8_t *const p = p0 + x * 3;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
p[2] = static_cast<uint8_t>((p[2] * ca + cb) >> 8);
p[1] = static_cast<uint8_t>((p[1] * ca + cg) >> 8);
@@ -1111,12 +1136,12 @@ void Graphics::fillRectangle(const gcn::Rectangle& rectangle)
for (y = y1; y < y2; y++)
{
- uint32_t *p0 = reinterpret_cast<uint32_t*>(
+ uint32_t *const p0 = reinterpret_cast<uint32_t*>(
static_cast<uint8_t*>(mTarget->pixels)
+ y * mTarget->pitch);
for (x = x1; x < x2; x++)
{
- uint32_t *p = p0 + x;
+ uint32_t *const p = p0 + x;
const uint32_t dst = *p;
*p = cB[dst & 0xff] | cG[(dst & 0xff00) >> 8]
| cR[(dst & 0xff0000) >> 16];
@@ -1139,7 +1164,7 @@ void Graphics::fillRectangle(const gcn::Rectangle& rectangle)
rect.w = static_cast<uint16_t>(area.width);
rect.h = static_cast<uint16_t>(area.height);
- uint32_t color = SDL_MapRGBA(mTarget->format,
+ const uint32_t color = SDL_MapRGBA(mTarget->format,
static_cast<int8_t>(mColor.r),
static_cast<int8_t>(mColor.g),
static_cast<int8_t>(mColor.b),