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[libpng16] Quieted 45 (out of 86 remaining) -Wconversion compiler warnings

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This commit is contained in:
Glenn Randers-Pehrson
2016-10-02 17:08:46 -05:00
parent ad3318ddc8
commit 3875d9af4c
9 changed files with 91 additions and 80 deletions
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24
pngread.c
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@@ -1433,7 +1433,7 @@ png_image_read_header(png_voidp argument)
break;
case PNG_COLOR_TYPE_PALETTE:
cmap_entries = png_ptr->num_palette;
cmap_entries = (png_uint_32)png_ptr->num_palette;
break;
default:
@@ -2251,7 +2251,7 @@ png_image_read_colormap(png_voidp argument)
if (PNG_GRAY_COLORMAP_ENTRIES > image->colormap_entries)
png_error(png_ptr, "gray[16] color-map: too few entries");
cmap_entries = make_gray_colormap(display);
cmap_entries = (unsigned int)make_gray_colormap(display);
if (png_ptr->num_trans > 0)
{
@@ -2349,7 +2349,7 @@ png_image_read_colormap(png_voidp argument)
if (PNG_GA_COLORMAP_ENTRIES > image->colormap_entries)
png_error(png_ptr, "gray+alpha color-map: too few entries");
cmap_entries = make_ga_colormap(display);
cmap_entries = (unsigned int)make_ga_colormap(display);
background_index = PNG_CMAP_GA_BACKGROUND;
output_processing = PNG_CMAP_GA;
@@ -2383,7 +2383,7 @@ png_image_read_colormap(png_voidp argument)
if (PNG_GRAY_COLORMAP_ENTRIES > image->colormap_entries)
png_error(png_ptr, "gray-alpha color-map: too few entries");
cmap_entries = make_gray_colormap(display);
cmap_entries = (unsigned int)make_gray_colormap(display);
if (output_encoding == P_LINEAR)
{
@@ -2522,7 +2522,7 @@ png_image_read_colormap(png_voidp argument)
if (PNG_GA_COLORMAP_ENTRIES > image->colormap_entries)
png_error(png_ptr, "rgb[ga] color-map: too few entries");
cmap_entries = make_ga_colormap(display);
cmap_entries = (unsigned int)make_ga_colormap(display);
background_index = PNG_CMAP_GA_BACKGROUND;
output_processing = PNG_CMAP_GA;
}
@@ -2548,12 +2548,12 @@ png_image_read_colormap(png_voidp argument)
png_ptr->num_trans > 0) &&
png_gamma_not_sRGB(png_ptr->colorspace.gamma) != 0)
{
cmap_entries = make_gray_file_colormap(display);
cmap_entries = (unsigned int)make_gray_file_colormap(display);
data_encoding = P_FILE;
}
else
cmap_entries = make_gray_colormap(display);
cmap_entries = (unsigned int)make_gray_colormap(display);
/* But if the input has alpha or transparency it must be removed
*/
@@ -2641,7 +2641,7 @@ png_image_read_colormap(png_voidp argument)
if (PNG_RGB_COLORMAP_ENTRIES+1+27 > image->colormap_entries)
png_error(png_ptr, "rgb+alpha color-map: too few entries");
cmap_entries = make_rgb_colormap(display);
cmap_entries = (unsigned int)make_rgb_colormap(display);
/* Add a transparent entry. */
png_create_colormap_entry(display, cmap_entries, 255, 255,
@@ -2690,7 +2690,7 @@ png_image_read_colormap(png_voidp argument)
if (PNG_RGB_COLORMAP_ENTRIES+1+27 > image->colormap_entries)
png_error(png_ptr, "rgb-alpha color-map: too few entries");
cmap_entries = make_rgb_colormap(display);
cmap_entries = (unsigned int)make_rgb_colormap(display);
png_create_colormap_entry(display, cmap_entries, back_r,
back_g, back_b, 0/*unused*/, output_encoding);
@@ -2775,7 +2775,7 @@ png_image_read_colormap(png_voidp argument)
if (PNG_RGB_COLORMAP_ENTRIES > image->colormap_entries)
png_error(png_ptr, "rgb color-map: too few entries");
cmap_entries = make_rgb_colormap(display);
cmap_entries = (unsigned int)make_rgb_colormap(display);
output_processing = PNG_CMAP_RGB;
}
}
@@ -2799,11 +2799,11 @@ png_image_read_colormap(png_voidp argument)
output_processing = PNG_CMAP_NONE;
data_encoding = P_FILE; /* Don't change from color-map indices */
cmap_entries = png_ptr->num_palette;
cmap_entries = (unsigned int)png_ptr->num_palette;
if (cmap_entries > 256)
cmap_entries = 256;
if (cmap_entries > image->colormap_entries)
if (cmap_entries > (unsigned int)image->colormap_entries)
png_error(png_ptr, "palette color-map: too few entries");
for (i=0; i < cmap_entries; ++i)